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CN102073292A - Method and arrangement for monitoring water quality - Google Patents

Method and arrangement for monitoring water quality Download PDF

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Publication number
CN102073292A
CN102073292A CN2010101617759A CN201010161775A CN102073292A CN 102073292 A CN102073292 A CN 102073292A CN 2010101617759 A CN2010101617759 A CN 2010101617759A CN 201010161775 A CN201010161775 A CN 201010161775A CN 102073292 A CN102073292 A CN 102073292A
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water
valve
pipeline
conduit
particle
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Chinese (zh)
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S·乔杜里
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Predect AB
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Predect AB
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Priority claimed from US12/621,606 external-priority patent/US20100066547A1/en
Priority claimed from EP10152548A external-priority patent/EP2354788A1/en
Application filed by Predect AB filed Critical Predect AB
Publication of CN102073292A publication Critical patent/CN102073292A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • C02F2209/105—Particle number, particle size or particle characterisation

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

本发明公开一种监控水质的方法和装置。一种水供应和监控系统包括第一水管；粒子传感器，用于检测所述管道中的第一位置处的水中的粒子；第二管道，其通过设置在第一管道上的位于第一位置下游的第二位置处的第一阀与第一管道流体连通；第三管道，其在第一和第二位置之间的位置处与第一管道流体连通；第二阀，其允许由第一管道输送的水流入第三管道。一种使用所述装置的方法，包括确定第一管道中的水中的粒子含量；当确定的粒子含量高于预定水平时，触发关闭第一阀并开启第二阀，由此，在第一管道中流动的水从第二管道转向进入第三管道。

Figure 201010161775

The invention discloses a method and a device for monitoring water quality. A water supply and monitoring system comprising a first water pipe; a particle sensor for detecting particles in the water at a first location in the pipe; A first valve at a second position of the first conduit is in fluid communication with the first conduit; a third conduit is in fluid communication with the first conduit at a position between the first and second positions; a second valve is allowed to be opened by the first conduit The conveyed water flows into the third pipe. A method of using the device comprising determining the particle content of water in a first conduit; triggering closure of the first valve and opening of the second valve when the determined particle content is above a predetermined level, whereby, in the first conduit The water flowing in the middle is diverted from the second pipe to enter the third pipe.

Figure 201010161775

Description

The method and apparatus of monitoring water quality
Technical field
The present invention relates to a kind of method and apparatus of monitoring the water quality in the water system.Especially, the present invention relates to a kind of method and apparatus of monitoring the water quality in the water system, improve the security of the countermeasure system water supply pollution of water system simultaneously.
Background technology
Existing available water quality monitoring system all is unusual poor efficiency usually because they measure water quality with predetermined time interval usually, as every day several times, weekly or every month once.This means and after pollutant and other bad particles Already in flow in consumer's the current for a long time, just to carry out actual check.Like this system problem be the selection of time of check not and in the current bad particle produce this actual event direct correlation.Another problem is that the size of other harmless fine particles in various microorganisms and bacterium and the water is roughly the same, and this makes and to leach very difficulty of such microorganism and bacterium.
WO/2007/100390 disclose a kind of monitor water quality and when water quality/cleanliness worsens, gather water sample automatically be used for the method further analyzed.But, in some cases, water system may suffer the rapid increase of contaminant particles quantity in the water into, for example because unexpected heavy rain, storm, accident dumped, chemicals, chemical fertilizer, bacterium, parasite, virus, leakage of oil, algal tufa, pressure Cang Shui dump and other sharply increase so unexpected emergencies that water inlet is polluted.This may cause the severe contamination of whole water system.
Therefore, still need a kind of improving one's methods of water quality in the water system of monitoring.
Also needing provides a kind of water system, and as water factory, this system improves resistant to pollution security, for example improves antagonism because the protection that the influent side that accident causes pollutes.
Also need a kind of protection water system to avoid polluting the method for (as because the influent side pollution that accident causes).
As individual main purpose, target of the present invention is to provide the solution of listed problem above.
Summary of the invention
Execute in the example first, the present invention is a kind of method of monitoring the water quality in the water system, and this water system provides:
First pipeline is used for from the water source transporting water;
Particle sensor, it is used for detecting the particle in the water that described first pipeline carries, and the primary importance place of described particle sensor on described pipeline engages with described first pipe operations;
Second pipeline, it is communicated with first pipeline fluid by first valve; Described first valve is arranged on the second place place that is positioned at described primary importance downstream on first pipeline;
The 3rd pipeline, it is communicated with first pipeline fluid in described primary importance downstream and in the position of described second place upstream;
Second valve, it allows to flow into the 3rd pipeline by the water of first pipeline transportation when being positioned at the open site;
This method comprises:
Determine by the particle content in the water of first pipeline transportation by first particle sensor; And
When the particle content of determining is higher than predeterminated level, trigger and close first valve and open second valve, enter second pipeline to stop the water that flows in first pipeline, and the water that allows to flow in first pipeline enters the 3rd pipeline.
In one embodiment, provide second particle sensor, it engages with second pipe operations, is used for detecting the particle in the water that described second pipeline carries, the particle in the described second particle sensor continuous detecting, the second pipeline water; Have only when reaching predeterminated level by the detected particle content in the water of second pipeline transportation, described second particle sensor just triggers sampling.
In one embodiment, this method comprises by first particle sensor and further determines particle content in the water that (promptly with respect to determining to cause first valve to close the later time point of time point with the particle content of second opening of valves) carried by first water pipe.Preferably, the particle content in the water that flows in first pipeline is determined continuously by first particle sensor.
In one embodiment, this method comprises when the particle content of determining is higher than predeterminated level, and the qualitative parameter of the water of first pipeline transportation is carried out at least one further analysis.Should further analyze preferably at first valve and close and carry out during second opening of valves.
In one embodiment, this method comprises gathers at least one water sample by the water of first pipeline transportation when the particle content of determining is higher than predeterminated level, and determines the value of at least one qualitative parameter of this water.Sampling and optionally water sample analysis also preferably close and carry out during second opening of valves at first valve.
In one embodiment, this method only comprises just triggering when the particle content of determining is lower than predeterminated level and opens first valve and close (turning off) second valve.
In one embodiment, this method only comprises when the qualitative parameter of determining from the water sample of pipeline and reaches predetermined value or just trigger in preset range the time and open first valve and close second valve.
Qualitative parameter can be selected from the content (for example being determined by UV-VIS) as the content of pH, transparency, turbidity, conductivity, chlorine, color, bacterium, algae, heavy metal, oxygen, temperature, oxidation/reduction potential (ORP), microorganism (as using round pcr), total organic carbon (TOC), total organic nitrogen (TON), various macromolecule and high-molecular complex (as determining by pyrolysis gas chromatography (Pyro-GC) mass spectrum (PYGC/MS)), any chemical substance.
In one embodiment, this method further comprises triggering alarm signal when the particle content of determining is higher than predetermined value.
The present invention also provides a kind of device or system that is used for the inventive method, and described device or system comprise:
First pipeline is used for from the water source transporting water;
First particle sensor, it is used for detecting the particle in the water that first pipeline carries, and the primary importance place of described first particle sensor on described pipeline engages with described first pipe operations;
Second pipeline, it is communicated with first pipeline fluid by first valve; Described first valve is arranged on the second place place that is positioned at the primary importance downstream on first pipeline;
The 3rd pipeline, it is communicated with first pipeline fluid in described primary importance downstream and in the position of described second place upstream;
Second valve, it allows the water of first pipeline transportation to flow into the 3rd pipeline when being positioned at the open site.
In one embodiment, this device or system comprise second particle sensor, are used for detecting the particle in the water that second pipeline carries, and described second particle sensor engages with described second pipe operations.
In one embodiment, this device or system also comprise the equipment that is used to gather by the water sample of the water of first and/or second pipeline transportation.This device and system can also comprise and be used for equipment that water and/or water sample by pipeline transportation are carried out required analysis (as chemistry or bioanalysis).
Description of drawings
Fig. 1 is the part synoptic diagram of the water supervisory system used in the one embodiment of the invention;
Fig. 2 is a synoptic diagram that has shown the curve map of detected number of particles in the water of carrying in second pipeline in a period of time;
Fig. 3 is a synoptic diagram that has shown the partial function of the water supervisory system of using in the one embodiment of the invention;
Fig. 4 is that the present invention is used to supply water and monitors the synoptic diagram of an embodiment of the system of water quality; And
Fig. 5 is that the present invention is used to supply water and monitors another synoptic diagram of an embodiment of the system of water quality; And
Fig. 6 is the synoptic diagram of the partial function of a water supervisory system using among the present invention.
Embodiment
In the inventive method of the monitoring water quality that is used for water system and device, pipeline is provided, be used for wherein water is transported to water factory from the water source.In the downstream, water source and the position of water factory upstream, particle sensor engages with this pipe operations.First valve is closed in particle and triggering in the water of this particle sensor detection pipeline, this first valve is arranged on the pipeline, in this first particle sensor downstream and in this water factory upstream, have only and when the detected value of particle content in the water reaches predeterminated level, just trigger described closing, thereby stop ducted water to enter water factory.From the water at water source, the unlatching by second valve turns to and enters one and turn to pipeline, rather than enters water factory by first valve, and described second valve is arranged on the first particle sensor downstream, and is communicated with first pipeline fluid in the position of the first valve upstream.
Water factory of the present invention can be a water factory arbitrarily, as water treatment plant, potable water factory, or any use, production, to the factory of user's supply or dispensing water (water that especially has quality requirements), as winery or produce bottled drinking water or the factory of purify waste water (as distribute to consumer water).
In a preferred embodiment, the inventive system comprises a system that is used for monitoring the quality of the water that water factory produces, handles or use, basically with WO/2007/100390 in describe the same, described system is arranged within the water factory or its downstream.
The term of Shi Yonging " water source " is meant any source that can therefrom obtain current herein, as lake, river, natural water source, reservoir, water cycle factory etc.In one embodiment, the water source is a natural water source, as lake or river, or from natural water source, as reservoir.For example, water can be former water, surface water, underground water, artificial percolation filtration water, lake water, from the water of reservoir, from water of outdoor swimming pool etc.
The particle that may exist in the source water can be any particle, as organic or inorganic particle material, and can indicate chemistry and radioactive contamination.Particle also may comprise microorganism, as bacterium, algae, and parasite, as Escherichia coli, Cryptosporidium, giardia lamblia stiles, microcytis etc.
Bacterium usually in the 0.5-10 micrometer range, Cryptosporidium 2-7 micron, and the giardia lamblia stiles particle is usually in the 7-20 micrometer range.
Therefore, in one embodiment, the inventive system comprises the equipment of the water quality in the monitoring water system, it is positioned at the water factory upstream, preferably is close to the water source.In another embodiment, apparatus of the present invention comprise two equipment of the water quality in the monitoring water system, and one of them is positioned at the water factory upstream, preferably is close to the water source, and another is positioned within water factory downstream or the water factory.
Fig. 1 has shown an embodiment of the part 100 of water supervisory system of the present invention, and described part is positioned within the water factory or its downstream.This supervisory system 100 engages with pipeline 102 (penstocks) operability of transporting water, and this pipeline is positioned at the downstream as the water treatment plant, or is arranged within the water factory that uses or handle the water that pipeline 102 carries.Supervisory system 100 comprise first turn to pipeline 104 and be in fluid communication with it second turn to pipeline 119.
Supervisory system 100 can be monitored treated water and untreated water simultaneously, but is preferably placed at after at least one unit for treating water.Particle sensor 106 engages with water pipe 102 operability by pipeline section 107, with the size of fine particle 116 mobile in continuous counter and the definite water.Owing to two steering tubes 104 and 119, can gather the water sample of particle sensor 106 upstream and downstreams.By this way, can eliminate issuable any variation in institute's water sampling.
Bad particle may comprise in the water, for example, and microorganism, bacterium and parasite (as Cryptosporidium and giardia lamblia stiles or other organic contaminants).Particle also may be indicated chemistry and radioactive contamination.
Steering tube 104 also has connection first arm 109 and second arm 111 thereon.Arm 109 is communicated with flow regulator 113 fluids, and arm 111 directly is communicated with a cooling device or refrigerator 108, and this cooling device or refrigerator comprise the container 115 of a plurality of storage water samples 126.This container can be stored the water of any suitable volumes, as rising to 100 liters from 0.1, as the 1-2 liter.
By this way, can analyze the water that does not also pass through particle sensor 106.Pipeline 117 extends between particle sensor 106 and flow regulator 113.A function of flow regulator is to come more accurate setting discharge by producing water column, enters particle sensor 106 to guarantee the correct water yield by pipeline 117.This regulator 113 also is used in water and enters the particle sensor 106 unwanted bubble of removal from water before.The machinery flow controller can substitute with the electronics flow controller.
Usually there is very strong contact between fine particle quantity and the water quality, because many fine particles all carry pollutant.Particle sensor 106 can be used for counting from the particle in the water of carrying in the pipeline 107 with by water regulator 113 and subsequently by the particle in the water of pipeline 117 and/or 119.
Point out that as preceding picture water can turn to and directly enter refrigerator 108 from water pipe 102 by second steering tube 119.By this way, can analyze the tail water that does not pass through particle sensor 106, and can connect by flow regulator 113.Subsequently these water samples can with compare by the water sample of pipeline 129 from particle sensor 106.When number of particles reached certain critical value, automatic triggering was stored in the generation of the water sample in the refrigerator from the signal of particle sensor 106.
Particle sensor 106 can adopt the appropriate technology of the particle in light scattering technique, delustring technology or any other counting circulating water to count particle.Equipment 106 can be arranged to write down the particle in the 0.1-500 micrometer range, is more preferably the particle in the 0.5-100 micrometer range.Preferably, equipment 106 can sieve the particle in the following range of size: 0.5-1 micron, 1-2 micron, 2-7 micron, 7-20 micron and 20-100 micron.Certainly, this equipment can be arranged to sieve other suitable dimensions scopes.Most preferred, the particle of equipment 106 counting sizes in the 1-25 micrometer range, this scope comprises the very important most of bacteriums of monitoring water quality (even not being whole bacteriums) and other microorganisms.
Microprocessor 112, as FPGA (Field Programmable Gate Array) configuration (PLC) equipment, connect 121,123,125 and 127 by signal respectively and engage, be used for opening or closing the valve that water system 100 is connected to counting equipment 106, flow regulator 113 and water pipe 104,119 with counting equipment 106, flow regulator 113, steering tube 104 and second steering tube, 119 operability.Operator (operator) 114 communications of microprocessor 112 and water system 100.Signal 125 can operation valve 142,144,146,148.Signal 127 can be controlled the valve 150 of second steering tube 119.Current in signal 121,123 controlling plumbing fixtures 117.This microprocessor can be stored all populations, is used for further analysis.
When operation, the particle 116 that particle sensor 106 continuous counters flow in water pipe.
When population reaches a critical value within a certain period of time,, will trigger alarm or water check signal 128 as surpassing 50 particles/ml.Usually, population should not surpass 20% of the normal radix of particle in the current, or more preferably 10%.Particle sensor 106 obtains water sample 126 automatically, is used for further check and the analysis by operator 114.Steering tube can connect a valve, so that will turn to from the water of water main 102, thereby obtains water sample 126.This processor can be programmable to arrange different water check volumes.Water sample 126 preferably is kept in the refrigerator 108 automatically to prevent further pollution.Point out that as above microprocessor 112 activates valve, thereby make the water sample of predetermined check volume flow into the container 115 that is arranged in the refrigerator 108.The water sample 126 of operator 114 in can analyzing container 115 subsequently.All results by continuous recording in processor and/or watch-dog and/or USB storage and/or dodge in the card.
Alarm signal 128 can also be sent to the operator 114 of water factory.If population reaches a critical value, then can send a minimum detectable signal 130 to critical contact 132.Yet for fear of unnecessary fear, minimum detectable signal 130 can only be confirmed just to be sent out after the very high pollution in the water sample check.
Can by in the position 134,136,138,140 or any other correct position place gather additional water sample and further divide bleed.The operator can at first do an express-analysis, to check turbidity, color, chlorine, pH, transparency, conductivity, coliform, Escherichia coli or any other suitable parameters of water.This operator can also check before alarm signal outwards sends, do not caused by water factory self internal problem with the increase of determining population.
As shown in Figure 2, shown in curve Figure 150 population may increase gradually and relatively the normal base value 158 of population reach peak value 152, descend subsequently.Curve Figure 150 can be designed to show all particle sizes and/or only show the particle that limits particle size range in advance, as 0.5-1 micron, 1-2 micron, 2-7 micron and 7-20 micron.By population is sieved in a plurality of range of size, the operator can obtain may pollute about the microorganism of which kind of type the information of water.Reach peak value 152 water check before and can think elementary test 154, and the check after the peak value can be thought two level testings 156.A purpose of elementary test 154 is to trigger water check program and the necessary personnel of caution.A purpose of two level testings 156 is to determine not take place the additional peak value or the substantial increase of population.
With reference to figure 3, it has shown that the present invention is used to monitor the synoptic diagram of function of part 100 of the system of water quality.Water 202 to be tested is transported in the discovering device 203 by manifold 201, and this equipment is used for finding or detecting by particle sensor the pollutant of water.Can deliver into this system from the different water of naming a person for a particular job, and this system can comprise promptly not having contaminated water with reference to water.Water carries out qualitative in qualitative equipment 204, and information is sent to a microprocessor monitors device 205.Current water quality condition may be displayed in the watch-dog 211.Microprocessor 205 can utilize the information that is stored in inside or the external data base 208 to come the analysis and assessment result also this analysis result and this information to be compared.If analysis result determines and should sample that then the information from microprocessor 205 is sent to sampling and memory device 206, is used to carry out water sampling.Meanwhile, microprocessor 205 sends the instruction that water sample has been gathered to operator 209, and operator 209 sends the paid-in affirmation of information to microprocessor.Operator 209 carries out artificial express-analysis 207 subsequently.Express-analysis 207 can comprise and relates to pH, transparency, conductivity, chlorine, color, bacterium, heavy metal, oxygen, temperature, ORP, employing round pcr identification microorganism, TOC, TON, PyGC/MS, UV-VIS, and the analysis of other suitable inspection parameters.The result delivers to microprocessor 205 and is used for assessing by database 208.After this, information is sent to operator 209 and determines whether to carry out detailed experiments chamber analysis 212.Analyze 212 and can comprise the parameter analysis that relates to bacterium, parasite, organism and other suitable parameters.Operator 209 can notify risk management group 214 subsequently, and water sample has been gathered and seen off to be used for the detailed experiments chamber and to analyze 212.The result of labor 212 delivers to microprocessor 205, is used for assessing by the information that is stored in database 208.Signal is sent to report and assessment unit 213, and microprocessor 205 provides suggestion about the step that will take to risk management group 214.When seriously polluted, can rapid triggering ozonization unit 218 to utilize ozonization to handle polluted water.The alarm that is used for different brackets and risk of alarm unit 210 can send to operator 209 and risk management 214 by microprocessor 205.Can obtain information from microprocessor 205 and database 208 by communication apparatus 217, described communication apparatus can comprise GSM, satellite, the Internet or any other suitable communication apparatus or technology.Can also regularly activate or activation line processing unit 216 is used for that automatically flushing is cleaned, the maintenance of sterilization, calibration control, checking, sensitivity/degree of accuracy assessment, sensor 203 and sampling and storage unit 206.As selection, can also comprise other on-line measurement devices 215 that are used for automatic on-the site analysis, it can be carried out or be provided with in consumer place or system 100.The automatic analysis of device in 215 can comprise the parameter analysis, the cell counter, TOC/COD, DNA evaluation, the quick detector of Escherichia coli (Colifast), toxicity, radioactivity and the UV-VIS that observe as image recognition, with micrometron.
Fig. 4 is the synoptic diagram of one embodiment of the invention, and it is included in the supervisory system 300 that valve 302 upstream positions are communicated with water pipe 301 fluids.Water pipe 301 is transported to water the water factory that is arranged in valve 302 downstreams.In this illustrated embodiment, supervisory system 100 is positioned at water factory (WP) downstream, and monitoring is in the quality of the water that flows from the pipeline 102 of water factory's transporting water.Water factory can be water treatment plant for example.In another embodiment, supervisory system is positioned at water factory, and this water factory can be for example winery, bottled drinking water factory or any other suitable factory that makes water or handle water.Preferably, the water supervisory system is positioned at the downstream of water purification units, and this clean unit for example comprises filtrator (as sand filter) and the unit that is used for chemical treatment water.
System 300 has one to be arranged in the valve 302 of water pipe 301 and to turn to water pipe 306 that another valve 304 is arranged. Valve 302 and 304 can be in to be opened or off-position.
Those of ordinary skills will be easy to recognize that in certain embodiments, valve 302 and 304 functions of carrying out in fact can be only by valves, and promptly a T-valve comes same finishing.In other embodiments, valve 304 can be provided with apart from valve 302 1 segment distances.Therefore, in certain embodiments, valve 304 is close to watch-dog 308 and is provided with, and described watch-dog preferably is close to the water source.
Under the normal condition, valve 302 is opened and valve 304 cuts out, thereby makes do not have water to flow in the pipeline 306, and the water that flows in the pipeline 301 enters water factory by valve 302 continuously thus, and finally enters pipeline 102.System 300 also has the watch-dog 308 that is communicated with water pipe 301 fluids by pipeline section 310, and described pipeline section has valve 312, and it also can be positioned at opens or off-position, but normally opens.Preferably, watch-dog 308 has particle sensor 309, the particle in the water that flows in its continuous detecting water pipe 301.Particle sensor 309 engages with water pipe 301 operability by pipeline section 310, with preferred counting continuously, and the size of mobile fine particle 318 in definite alternatively water.The water that flows in the pipeline section 310 can be regulated by suitable flow regulator (not shown).
The water sample that can also gather the water that flows in the water pipe 301 is used for further analysis.Water sampling can be arranged to trigger automatically by the signal from particle sensor 309 when population reaches certain critical value, and this water sample can be stored in the refrigerator.
The appropriate technology that particle sensor 309 can adopt light scattering technique, delustring technology or any other to be used for counting the particle of circulating water is counted particle.Particle sensor 309 can be arranged to write down the particle in the 0.1-500 micrometer range, the more preferably particle in the 0.5-100 micrometer range.Preferably, sensor 309 can sieve the particle in the following range of size: 0.5-1 micron, 1-2 micron, 2-7 micron, 7-20 micron and 20-100 micron.Certainly, sensor can be arranged to sieve other suitable dimensions scopes.Most preferred, the particle of sensor 309 counting sizes in the 1-25 micrometer range, this scope comprises the very important most of bacteriums of monitoring water quality (even not comprising whole bacteriums) and other microorganisms.
Watch-dog 308 comprises the microprocessor (not shown), and as FPGA (Field Programmable Gate Array) configuration (PLC) equipment, it engages with sensor 309 operability, also engages with the flow regulator (not shown) operability that adjusting enters the flow of sensor 309.This microprocessor for example signal of response sensor 309 also optionally triggers water sampling, and triggers the opening and closing of valve 304 and 302.This microprocessor can also with the alarm center communication.This microprocessor can be stored all populations and be used for further analysis.
Steering tube 306 has import 314, and this import is positioned at the downstream of the position of pipeline section 310 on the pipeline 301 and the upstream of valve 302, and steering tube 306 has an outlet 316.Open and valve 302 when closing when valve 304, the water that flows in the water pipe 301 enters import 314, flows through steering tube 306 and flows out by outlet 316.This diverted flow can continue to that valve 302 is opened again and valve 304 cuts out.
Pipeline 306 can make water be back to the water source.Optionally, the water in the pipeline 306 can be transported to depollution and/or clean unit, and carries the backwater source or be stored in as in the tank, so that use in the future or further handle.In one embodiment, the water of carrying by the 3rd pipeline 306 can for example be purified and/or depollution by suitable processing, and preferred on pipeline 301 position of primary importance upstream be transferred in the return pipe road 301.Optionally, no matter whether through handling, the water of carrying by the 3rd pipeline 306 can be discharged.
Watch-dog 308 has particle sensor 309, and this particle sensor is applicable to the particle in the water that valve 312 enters pipeline section 310 of passing through in detection (preferably continuously) pipeline 301.More particularly, this watch-dog 308 can be monitored micropollutants and the fine particle 318 in the water that flows in the pipeline 301.Particle sensor 309 can be a corpuscular counter, and this rolling counters forward particle is with the concentration of particulate pollutant in the water of determining to flow in the water pipe 301.When the concentration or the quantity of contaminant particles 318 has met or exceeded threshold value, predetermined value for example, watch-dog 308 triggers water sampling 324 immediately, sends alarm signals 320 to alarm center 322, and shut-off valve 302, enters water factory to stop more water.
In one embodiment, when the particle concentration in the water that pipeline 301 is carried surpasses the predetermined threshold predetermined percentage, this triggering for generating.Should recognize that the fundamental purpose of system 300 is to monitor and detect the great variety of particle concentration in the water, it may occur in as discussed herein under the abnormal case, and may cause that particle 318 concentration rise suddenly and surpass normal concentration scope 10 4Doubly or more.Therefore, during numerical value outside particle concentration reaches normal fluctuation range, will trigger shut-off valve 302 and open valve 304.For example, predetermined averaged particles concentration is more than 50% or more than 100% or more than 200% even more than 500% in the water that the particle concentration of determining by particle sensor 309 is carried above pipeline 301, as more than 1000% o'clock, valve 302 and 304 can activated.For example, be used for shut-off valve 302 and open 304 threshold value and can be set to particle concentration and surpass averaged particles concentration 10,100,1000 even 10 4Doubly, this depends on for example requirement of water factory's on the suction side water.
In one embodiment, when the particle concentration in the water that pipeline 301 is carried was higher than predetermined threshold and continues to exceed predetermined time interval, then watch-dog 308 triggered the unlatching of valve 304 and cutting out of valve 302.This time interval can be very short, as be less than 5 minutes, be less than 1 minute even less than 30 seconds; Or longer, as reach 10 minutes, or even reach 20 minutes.When the particle concentration of determining reached predetermined threshold, watch-dog 308 can also cutting out without any unlatching that triggers valve 304 tardily and valve 302.
Contaminant particles 318 excessive may be by heavy rain, storm, the accident of bust dump, chemicals, chemical fertilizer, bacterium, parasite, virus, leakage of oil, algal tufa, pressure Cang Shui dump and the unexpected emergency that water pollutes in the pipeline 301 that may sharply increase that other are such causes.The increase of contaminant particles concentration can be expressed as the number percent of normal predeterminated level or be represented by any other suitable method of the excessive pollution of water inlet in the expression water pipe 301.An important advantage of system 300 is the discovery of polluting, and closes and gathers water sample and can occur within the several seconds or several minutes of discovery.In traditional system, may need to find over these days and clear up contaminated water factory.
Should be appreciated that particle 318 concentration threshold that set to trigger shut-off valve 302 and open valve 304 will depend on the various factors that relates to concrete condition, and depend on the most at last and enter the water quality requirement of water factory to be used there or to handle.
An advantage of this supervisory system 300 is, meets or exceeds within the several seconds or several minutes of threshold value from the concentration of finding contaminant particles 318, can activated valve 302 and 304, enter water factory and water pipe 102 to stop pollutant 318.Subsequently can analysis water-like 324, current turn to by turning to pipeline 306 simultaneously.In fact, water can turn to several hrs by pipeline 306, perhaps turns to the essential time, thereby opens again at valve 302 and to have before moving the water to flow into water factory and water pipe 102 time enough analysis water-like 324 to recover normal to guarantee pollutant levels.Usually, water factory is suitable for handling the little change of pollutant 318 concentration, increases the pollution that may cause as top listed incident but be unsuitable for handling unexpected and rapid pollution.Therefore, supervisory system 300 prevents that water factory is contaminated and early warning is provided. Supervisory system 100 and 300 communications mutually.
Fig. 5 is another synoptic diagram of the embodiment of the invention.In Fig. 5, intake pump 303 with water from the water source (as the lake) supply with water factory (WP).Water is carried by pipeline 301, valve 302 and pipeline 102.Under the normal condition, valve 302 is opened and valve 304 cuts out.Valve 312 is preferably always opened and is supplied water to watch-dog 308.When watch-dog 308 report exists when polluting, valve 302 will cut out automatically, and valve 304 will be opened, and therefore will not have water to be supplied to water factory, and makes water in the pipeline 301 flow through steering tube 306 and flow out at 316 places.The water that flows out at 316 places can return original water source.The detected value of water in representing pipeline 301, as population, when recovering normal or predeterminated level, valve 304 will cut out and valve 302 will be opened again.
Though embodiment shown in Fig. 5 has shown the watch-dog that is positioned at water factory (WP), but should be understood that, as long as watch-dog is wishing that the position that it can the supervisory system quality of water supply engages with the water system operability, then this watch-dog also can be positioned at the downstream of water factory.
With reference to figure 6, it has shown the synoptic diagram of the function of water quality monitoring system part 300 of the present invention.Water 402 to be tested delivers into discovering device 403 by manifold 401, and this discovering device adopts particle sensor to find or detect the pollution of water.Can deliver into this system from a plurality of water of naming a person for a particular job, and this system can comprise promptly not having contaminated water with reference to water.Water is sent to microprocessor monitors device 405 by qualitative and information in qualitative equipment 404.Current water quality condition may be displayed in the watch-dog 411.Microprocessor 405 can utilize the information evaluation analysis result that is stored in inside or the external data base 408 and this analysis result and this information are compared.If analysis result determines that particle content has reached predetermined threshold in the water, then microprocessor will trigger the actuating 418 of first and second valves, promptly close first valve and open second valve 304, thereby with the flow direction-changing in the pipeline 102 to pipeline 306 (Fig. 4).Can also gather the water sample of carrying by pipeline 301 (Fig. 4), in this case, be sent to sampling and memory device 406, be used to carry out water sampling from the information of microprocessor 405.Meanwhile, microprocessor 405 sends the instruction that water sample has been gathered to operator 409, and operator 409 sends the paid-in affirmation of information to microprocessor.Operator 409 carries out artificial express-analysis 407 subsequently.Express-analysis 407 can comprise and relates to pH, transparency, turbidity, conductivity, chlorine, color, bacterium, algae, heavy metal, oxygen, temperature, ORP, employing round pcr identification microorganism, TOC, TON, PyGC/MS, UV-VIS, and the analysis of other suitable inspection parameters.The result delivers to microprocessor 405 and is used for assessing by database 408.After this, information is sent to operator 409 and determines whether to carry out detailed experiments chamber analysis 412.Analyze 412 and can comprise the parameter analysis that relates to bacterium, parasite, organism and other suitable parameters.Operator 409 can notify risk management group 414 water samples to be gathered and is used for detailed lab analysis 412 by being seen off subsequently.The result of labor 412 delivers to microprocessor 405, is used for assessing by the information that is stored in database 408.Signal is sent to report and assessment unit 413, and microprocessor 405 provides suggestion about the step that will take to risk management group 414.Can select to trigger ozonization unit 418 and handle polluted water to utilize ozonization.The alarm that is used for different brackets and risk of alarm unit 410 can send to operator 409 and risk management 414 by microprocessor 405.Can obtain information from microprocessor 405 and database 408 by communication apparatus 417, described communication apparatus can comprise GSM, satellite, the Internet or any other suitable communication apparatus or technology.Can also regularly activate or activation line processing unit 416 is used for that automatically flushing is cleaned, the maintenance of sterilization, calibration control, checking, sensitivity/degree of accuracy assessment, sensor 403 and sampling and storage unit 406.Optionally, can also comprise other on-line measurement devices 415 that are used for automatic on-the site analysis.The automatic analysis of device in 415 can comprise the parameter analysis, the cell counter, TOC/COD, DNA evaluation, the quick detector of Escherichia coli (Colifast), toxicity, radioactivity and the UV-VIS that observe as image recognition, with micrometron.
In case the quality of the water of carrying in the further analysis of water and the qualitative definite pipeline 301 meets the requirements once more, then microprocessor 405 will send a signal to valve 302 and send a signal to valve 304 to allow valve 304 cut out to allow valve 302 open again.This further analysis can comprise determines that population reaches a numerical value that is lower than threshold value, and this threshold value can be identical or different with the threshold value that is used to trigger shut-off valve 302 and open valve 304.The signal that is used for open valve 302 and shut-off valve 304 also can be based on any supplementary characteristic of water, as relate to pH, transparency, turbidity, conductivity, chlorine, color, bacterium, algae, parasite, heavy metal, oxygen, temperature, ORP, employing round pcr identification microorganism, TOC, TON, PyGC/MS, UV-VIS, and any other suitable inspection parameter.
By above description, clearly the invention provides a kind of pollution and not contaminated apparatus and method of protection water system that are used for the early warning water system.In fact, apparatus and method of the present invention will allow the burst contamination accident in the current of fast detecting from the water source to the water factory, thus the influence that allows current to turn to protection water factory not advanced superelevation level of pollution the water from its normal route.By this method, the not contaminated while of unit (as filtrator) in protection water factory, can produce the water of homogeneous more.
Although invention has been described according to preferred embodiment, should be understood that, below not deviating from, under the situation of the purport of claim and scope, can carry out the replacement and the change of some to these embodiment.

Claims (13)

1.一种监控供水系统中的水质的方法，该供水系统提供有：1. A method of monitoring water quality in a water supply system provided with: 第一管道(301)，用于从水源输送水；a first pipeline (301) for transporting water from a water source; 第一粒子传感器(309)，用于检测第一管道(301)中输送的水中的粒子，所述粒子传感器(309)在第一管道(301)上的第一位置处与第一管道(301)操作性接合；A first particle sensor (309) for detecting particles in water conveyed in the first pipeline (301), the particle sensor (309) being connected to the first pipeline (301) at a first position on the first pipeline (301) ) operative engagement; 第二管道(102)，其通过第一阀(302)与第一管道(301)流体连通；所述第一阀(302)设置在第一管道(301)上的位于第一位置下游的第二位置处；The second pipeline (102), which is in fluid communication with the first pipeline (301) through the first valve (302); at the second position; 第三管道(306)，其在第一位置下游并且在第二位置上游的位置处与第一管道(301)流体连通；a third conduit (306) in fluid communication with the first conduit (301) at a location downstream of the first location and upstream of the second location; 第二阀(304)，其在位于开启位置时允许由第一管道(301)输送的水流入第三管道(306)；a second valve (304) which, when in an open position, allows water delivered by the first conduit (301) to flow into the third conduit (306); 该方法包括：The method includes: 通过第一粒子传感器(309)确定由第一管道(301)输送的水中的粒子(318)含量；和determining the particle (318) content of water conveyed by the first conduit (301) by the first particle sensor (309); and 当确定的粒子(318)含量高于预定水平时，触发关闭第一阀(302)并开启第二阀(304)，以阻止第一管道(301)中流动的水进入第二管道(102)，并允许第一管道(301)中流动的水进入第三管道(306)。When the determined particle (318) content is above a predetermined level, triggering the closing of the first valve (302) and opening of the second valve (304) to prevent water flowing in the first pipe (301) from entering the second pipe (102) , and allow the water flowing in the first pipe (301) to enter the third pipe (306). 2.根据权利要求1所述的方法，包括当第一阀(302)关闭且第二阀(304)开启时，进一步确定由第一水管(301)输送的水中的粒子(318)含量。2. The method according to claim 1, comprising further determining the particle (318) content in the water conveyed by the first water pipe (301) when the first valve (302) is closed and the second valve (304) is open. 3.根据权利要求1或权利要求2所述的方法，包括当确定的粒子(318)含量高于预定水平时，对由第一管道(301)输送的水的另外定性参数进行至少一个分析。3. A method according to claim 1 or claim 2, comprising performing at least one analysis of a further qualitative parameter of the water conveyed by the first conduit (301) when the determined particle (318) content is above a predetermined level. 4.根据权利要求1-3任一项所述的方法，包括当确定的粒子(318)含量高于预定水平时，采集由第一管道(301)输送的水的至少一个水样，并针对该水样的至少一个定性参数分析该水样。4. The method according to any one of claims 1-3, comprising taking at least one water sample of the water conveyed by the first conduit (301) when the determined particle (318) content is above a predetermined level, and targeting The water sample is analyzed for at least one qualitative parameter of the water sample. 5.根据权利要求2-4任一项所述的方法，包括仅当确定的粒子(318)含量低于预定水平时才触发开启第一阀(302)并关闭第二阀(304)。5. A method according to any one of claims 2-4, comprising triggering opening of the first valve (302) and closing of the second valve (304) only when the determined particle (318) content is below a predetermined level. 6.根据权利要求3-5任一项所述的方法，包括仅当由第一管道(301)输送的水的至少一个定性参数的分析结果在所述参数的预定范围内时，才触发开启第一阀(302)并关闭第二阀(304)。6. A method according to any one of claims 3-5, comprising triggering the opening only when an analysis of at least one qualitative parameter of the water conveyed by the first conduit (301) is within a predetermined range of said parameter The first valve (302) and the second valve (304) are closed. 7.根据权利要求4-6任一项所述的方法，包括仅当水样的至少一个定性参数的分析结果在所述参数的预定范围内时，才触发开启第一阀(302)并关闭第二阀(304)。7. The method according to any one of claims 4-6, comprising triggering the opening of the first valve (302) and closing the Second valve (304). 8.根据权利要求1-7任一项所述的方法，其中，进入第三管道(306)的水返回到水源。8. The method according to any one of claims 1-7, wherein the water entering the third conduit (306) is returned to the water source. 9.根据权利要求1-8任一项所述的方法，进一步包括当由第一管道(301)输送的水的确定的粒子(318)含量高于预定值时，触发警报信号。9. The method according to any one of claims 1-8, further comprising triggering an alarm signal when the determined particle (318) content of the water conveyed by the first conduit (301) is higher than a predetermined value. 10.根据权利要求1-9任一项所述的方法，其中，由第一管道(301)输送的水中的粒子(318)含量被连续地确定。10. The method according to any one of claims 1-9, wherein the particle (318) content of the water conveyed by the first conduit (301) is continuously determined. 11.根据权利要求1-10任一项所述的方法，其中，提供用于检测第二管道(102)中输送的水中的粒子并且与第二管道(102)操作性接合的第二粒子传感器(106)；该方法包括确定所述第二管道(102)的水中的粒子含量；以及当由所述第二管道(102)输送的水中确定的粒子含量高于预定水平时，触发采集由所述第二管道(102)输送的水的水样。11. A method according to any one of claims 1-10, wherein a second particle sensor is provided for detecting particles in water conveyed in the second conduit (102) and is operatively engaged with the second conduit (102) (106); the method includes determining the particle content in the water of the second pipeline (102); and when the determined particle content in the water conveyed by the second pipeline (102) is higher than a predetermined level, triggering collection The water sample of the water delivered by the second pipeline (102). 12.一种监控供水系统中的水质的装置，包括：12. An apparatus for monitoring water quality in a water supply system, comprising: 第一管道(301)，用于从水源输送水；a first pipeline (301) for transporting water from a water source; 第一粒子传感器(309)，用于检测第一管道(301)中输送的水中的粒子，所述粒子传感器(309)在第一管道(301)上的第一位置处与第一管道(301)操作性接合；A first particle sensor (309) for detecting particles in water conveyed in the first pipeline (301), the particle sensor (309) being connected to the first pipeline (301) at a first position on the first pipeline (301) ) operative engagement; 第二管道(102)，其通过第一阀(302)与第一管道(301)流体连通；所述第一阀(302)设置在第一管道(301)上的位于第一位置下游的第二位置处，；The second pipeline (102), which is in fluid communication with the first pipeline (301) through the first valve (302); at the second position; 第三管道(306)，其在第一位置下游并且在第二位置上游的位置处与第一管道(301)流体连通；a third conduit (306) in fluid communication with the first conduit (301) at a location downstream of the first location and upstream of the second location; 第二阀(304)，其在位于开启位置时允许由第一管道(301)输送的水流入第三管道(306)。A second valve (304) which, when in an open position, allows water conveyed by the first conduit (301) to flow into the third conduit (306). 13.如权利要求12所述的装置，包括用于检测在第二管道(102)中输送的水中的粒子的第二粒子传感器(106)，该第二粒子传感器与第二管道(102)操作性接合。13. Apparatus as claimed in claim 12, comprising a second particle sensor (106) for detecting particles in water conveyed in the second conduit (102), the second particle sensor operating with the second conduit (102) Sexual bonding.
CN2010101617759A 2009-11-19 2010-03-04 Method and arrangement for monitoring water quality Pending CN102073292A (en)

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