A kind of hydraulic cyclone formula sewage-treatment plant
Technical field
The present invention relates to dirty water decontamination handles technical field more particularly to a kind of hydraulic cyclone formula sewage-treatment plants.
Background technique
With the fast development of economy and urbanization, city black and odorous water problem is increasingly severe, for the rain after raining
The processing of water discharge, sanitary sewage etc. faces the challenge.
At present.There are many setting pots of sewage treatment: horizontal sedimentation tank, aerated grit chamber, rotational flow grit chamber.
Horizontal flow type grit chamber is designed using the sedimentation theory of particle dispersion, when operation only when sewage in setting pot
Between be equal to or more than design the sand fallout time, can realize the retention of sand grains.Therefore, the pond of setting pot is long according to level
Residence time in flow velocity and sewage determines.Due to intake in actual motion water and sand content the case where be constantly to change
In addition amplitude of variation it is very big;Therefore when water inlet fluctuation is larger, the removal effect of horizontal flow type grit chamber it is difficult to ensure that, and
Horizontal flow type grit chamber itself does not have the ability of organic matter in separated sand, must carry out special sand for the sand grains of discharge
It washes.And the characteristics of aerated grit chamber is to form the eddy flow of water by being aerated and generate washed-out sand effect, to improve desanding efficiency and organic
Object separative efficiency;But, there are many uncertainties, often there is excess aeration in practical operation and control in aerated grit chamber
The problem of, energy is wasted, and larger in pollution of the summer for air, also needs setting defoaming facility not so to have considerable
Suspended matter takes pond body out of with foam and pollutes environment.
Rotational flow grit chamber is to make water impurity particle under the action of centrifugal force and gravity, edge using flow-shape and flow velocity
To achieve the purpose that sand fallout, raw water enters the precipitating of pool wall helically line accelerated sedimentation accelerating impurity along pond internal tangent direction
Guarantee the appropriate rotation of water flow, be in line flowing after, and the turbulent fluctuation of water inlet is reduced to minimum, is formed in pond along the flat of pool wall
Face eddy flow, the centrifugal force which generates generate wall attachment effect, so that impurity is affixed to pool wall, and rely on power for support and fall to bottom of pond.
Application number: in the file of 2009-12-25, it is husky 200910113598.4 applyings date: to disclose a kind of round middle ring water
Separator, including the straight culvert pipe being connected to inlet channel, the settling pit being arranged in the annular charge for remittance canal closed-loop with water outlet,
The through-hole of its top surface of straight culvert pipe setting in settling pit is connected to settling pit water outlet, and straight culvert pipe connects with annular scouring sluice
Scouring sluice in pond is set at mouthful, and the sand surfing culvert pipe of annular scouring sluice connection is passed through from the lower part of annular charge for remittance canal, and outlet connects
Then outer scouring sluice is arranged in sand surfing canal on sand surfing canal, is supported and is fixed by bracket on the interior weir wall surface of annular charge for remittance canal
The annular water retaining wall hanging into settling pit, in the flow surface in the bottom of annular water retaining wall and annular charge for remittance canal between the wall of weir
On filter device is uniformly installed.For the present invention not only for the water sand good separating effect of sediment laden flow, the time used in sand discharge is few,
Sand surfing water consumption is few, it can be achieved that continuous water supply, and drainage effect is good, can precipitate the lesser mud of particle in water with separating sedimentation basin
Husky and suspended particulate improves quality of water supply.
And an other application number 201620178670.7, in the file of applying date 2016-03-09, disclose a kind of filter
Net formula rotational flow water-sand separator comprising cylindrical drum, reverse taper, sand discharge bottom tube and rotary table strainer, cylindrical drum lower end and back taper
Body upper end is coaxially fixed and is connected to, and reverse taper lower end connect and communicates with sand discharge bottom tube, and cylindrical drum lower outside is equipped with and cylinder
Tube inner chamber tangent feed channel is successively fixed at least one rotary table strainer in cylindrical drum from the bottom to top.Structure letter of the invention
It is single, low in cost, occupied area is small;The fixed rotary table strainer of layer set is arranged in it in cylindrical drum, and it is right to substantially increase the present invention
The sedimentation separation efficiency of sand grain in water sand turbidity fluid;Helical line feed pipe and annular overflow weir are set, filter net type eddy flow is made
Water and sand separating device processing capacity with higher.
Although above-mentioned document makes improvement to water and sand separating device, to improve water sand separating capacity.But in fact, it is having
Low there are still treatment effeciency in body implementation, processing capacity is poor, the defect that can't meet the quality requirement to the processing of sewage.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to design one kind can be more
Good raising treatment effeciency, can be improved processing capacity, at the hydraulic cyclone formula sewage of the quality after can be improved sewage treatment
Manage device.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of hydraulic cyclone formula sewage-treatment plant, including Whirlwind tank, Whirlwind tank top are tangentially provided with Whirlwind tank water inlet,
Sewage discharge of the side wall equipped with overflow port after for processing above Whirlwind tank water inlet;Eddy flow bottom of pond portion be equipped with bottom outlet for
Deposit discharge;It is characterized in that, further include the water tank being set to above Whirlwind tank, the water inlet of water tank be connected with drinking-water pipe and
Source of sewage is connected, and suction pump is equipped on drinking-water pipe;The water outlet of water tank bottom is led with Whirlwind tank water inlet by water inlet pipe
It is logical to be connected, and flocculant adding mouth is additionally provided on water tank, it is connected with flocculant adding tube in flocculant adding mouth, flocculates
The outer end of agent adding tube forms flocculant input terminal.
In this way, by the way that a water tank is arranged above Whirlwind tank, it is first that the treatment sewage of cesspool is defeated by suction pump
It send to water tank, and the flocculant adding mouth by being arranged on water tank adds flocculant, by first making sewage and flocculant
It is reacted in advance in water tank and under an opposing stationary environment, so that with positive (negative) electrical property in flocculant
It is close to each other with negative (just) electrical some particles for being difficult to separate or particle in group and sewage, its potential is reduced, is made
It plays pendulum, and using its aggregation property these particles is concentrated.While carrying out preliminary treatment to sewage
Mix flocculant with sewage more uniform.The degree of mixedness for improving sewage and flocculant, is wadded a quilt with cotton with improving in subsequent reactions
Processing effect of solidifying agent.And then passed through the mixed liquor to be processed after water inlet pipe mixes sewage and flocculant and pass through itself
Gravity is delivered to downwards Whirlwind tank, so that after flocculant and sewage mixed liquor enter Whirlwind tank, the high speed under the processing of Whirlwind tank
Centrifugal movement improves processing capacity to improve whole device to the treatment effeciency of sewage.
As optimization, the source of sewage includes the cesspool being connected with drinking-water pipe.
In such manner, it is possible to the practical application of more convenient entire processing unit, and more rationally.
As optimization, water inlet on Whirlwind tank is two and corresponding to be set to Whirlwind tank same level diametric
Two sides;Two water inlets of Whirlwind tank, which are connected each by water inlet pipe with the water outlet of water tank bottom, to be connected.
In this way, by designing two water inlets on Whirlwind tank, and two water inlets are that corresponding to be set to Whirlwind tank same
The two sides in one horizontal diameter direction, enabling to the sewage that Whirlwind tank is entered from water tank is entered from the two sides of same diameter
, can preferably guarantee the stationarity of Whirlwind tank, and can more convenient Whirlwind tank with sewage do centrifugal movement, improve rotation
Flow the processing capacity and treatment effect in pond.
As optimization, flocculant adding tube extend into the normal of one end end face in water tank and the inner sidewall of water tank in tangent
Setting;Drinking-water pipe protrudes into the normal of one end end face of water tank and the inner sidewall of water tank in tangent setting.
In such manner, it is possible to flow into sewage and flocculant along the inner sidewall of water tank, enable flocculant and sewage more preferable
Mixing to be reacted in advance, improve sewage enter the ability processed after Whirlwind tank.
It further include bottom plate as optimization, bottom plate is in horizontal circular ring shape plate structure and is arranged and is connected to Whirlwind tank periphery
On wall, the inside of bottom plate and the periphery wall of Whirlwind tank are connected and fixed, and are folded upward on the outside of bottom plate and are extended to form outer panel, and outer
The collecting tank of whole structure in a ring is collectively formed in side plate, bottom plate and Whirlwind tank periphery wall;And it is equipped in the collecting tank perpendicular
To partition, partition in vertically arranged and projection in the horizontal plane in a closed annulus of circle, on the lower end and bottom plate of partition
Surface is connected and fixed so that collecting tank to be separated to the lautertuns of a ring shape of the overflow launder and outside in a ring shape of inside, and
Filter structure is equipped in lautertuns;Whirlwind tank is equipped with level-one overflow port and is connected to the overflow launder upper end;On partition
End is equipped with second level overflow port so that overflow launder to be connected to lautertuns, and sewage outlet is additionally provided on outer side plate and is connected with sewage
Efferent duct is to export filtered sewage;And the vertical height of level-one overflow port, second level overflow port and sewage outlet be according to
Secondary reduction setting.
In this way, sewage flows in overflow launder from the level-one overflow port of Whirlwind tank, overflow launder can carry out the sewage of entrance
Precipitating is overflow from the second level of partition upper end again later so that high speed centrifugation post exercise sewage carries out static deposition out of Whirlwind tank
Head piece flows to lautertuns, and sewage at this time has already passed through deposition, then is once filtered, after preferably capable of improving sewage treatment
Quality.And the sewage that Whirlwind tank overflow port flows out preferably can be collected and be handled by the structure of entire collecting tank,
The structure of entire collecting tank is more compact simultaneously, and structure is more reasonable.Also, to sewage in the process of processing, because adding
Added with flocculant, this can have partial flocculation agent and not react completely with sewage completely, or reaction is not enough, the overflow of design
Slot further can carry out reaction for sewage and flocculant and provide reacting environment and reaction time, and not anti-for part
Flocculant can be filtered by the flocculant answered, lautertuns, to obtain the sewage of better quality.
As optimization, the filter structure includes the cobblestone being arranged in lautertuns.
In this way, filter structure is simpler, and it can be improved filter efficiency.
As optimization, deposit delivery pipe, the other end and sewage of deposit delivery pipe are connected on Whirlwind tank bottom outlet
Pond conducting is connected;And check valve and electronic flowmeter are equipped in deposit delivery pipe.
In this way, the deposited object delivery pipe of the deposit of eddy flow bottom of pond portion is delivered to cesspool, it is able to carry out recycling.
As optimization, mixing pump is equipped in cesspool.
In such manner, it is possible to which the deposit of eddy flow bottom of pond portion is stirred evenly with treatment sewage, facilitate subsequent processing.
As optimization, the inside bottom surface of water tank is recessed tapered surface, and the center of recessed tapered surface is provided with water tank
Water outlet.
In such manner, it is possible to which the sewage in water tank is preferably facilitated to be flowed into Whirlwind tank.
It further include control centre as optimization;It is equipped with the first electromagnetism check valve on drinking-water pipe, the is equipped on water inlet pipe
Two electromagnetism check valves are equipped with third electromagnetism check valve in flocculant adding tube;The automatically controlled end of the first electromagnetism check valve,
The automatically controlled end of two electromagnetism check valves and the automatically controlled end of third electromagnetism check valve are connected with control centre.
In such manner, it is possible to which convenient remove to control the first electromagnetism check valve, the second electromagnetism check valve and the by operational control center
Three electromagnetism check valves, to reach the sewage quantity that control enters water tank, the sewage quantity into Whirlwind tank and the flocculation into water tank
The amount of agent, so that the intelligence degree of whole equipment is higher, it is more convenient to use.
As optimization, the suction pump is Sewage metering pump;It is additionally provided with sediment content detector on drinking-water pipe, is flocculating
Agent adding tube is equipped with flocculant metering pump;And sediment content detector, Sewage metering pump and reagent metering pump with control
Center is connected;Pre-set control programs are used for according to water flow in sediment content in drinking-water pipe and drinking-water pipe to wadding in control centre
Flocculant addition concentration carries out automatically controlling in solidifying agent adding tube, and control program confirms corresponding pass between three according to the following formula
System,
The concentration of the flocculant of addition is wherein set as n,
In formula: the sediment content of sewage, unit g/L in the drinking-water pipe that s measures for sediment content detector;
Q is the flow that Sewage metering pumps sewage in the drinking-water pipe measured, unit L/s;
N flocculant concentration, unit mg/L.
In this way, can go to be taken out by sediment content detector by the way that sediment content detector is arranged on drinking-water pipe
The content value s of silt in water pipe;Sewage metering is arranged on drinking-water pipe to pump, can be pumped by Sewage metering and go to obtain drinking-water pipe
Water flow value Q;Control centre is the computer with input function, inputs above-mentioned formula in control centre, removes to obtain the n in formula
Value, by control flocculant metering pump so that in the flocculant and drinking-water pipe of addition silt content value s and drinking-water pipe
Water flow value Q carries out Corresponding matching.It enables to whole equipment more convenient to use in this way, different Q value and s value can be directed to
The concentration of matching flocculant is gone, preferably to improve the treatment effeciency to sewage, processing capacity, the quality that improves that treated.
In conclusion the present invention has the following advantages that;
1, the present invention only relies on waterpower and runs, and combines with specific flocculant and carries out clean water treatment to sewage to obtain clearly
Water, silt removal rate reach as high as 90%.
2, the present invention combines with flocculation handles sewage, and the concentration about flocculant can be according to the resulting difference of experiment
Required flocculant concentration is different under sediment concentration, is added, to reach optimal purifying water effect, also save the cost.
3, size of the invention can be adjusted according to the sediment content of required processing and the required water purification rate reached,
Both it is applicable to municipal sewage treatment, is equally applicable to the pretreatment of agricultural irrigation technology, in other industry also in combination with corresponding dress
It sets and is applied.
4, structure is simple, cheap, purchases convenient for required.
5, operational management is very convenient, keeps an eye on without special messenger, it is only necessary to inspect periodically.
Detailed description of the invention
The structural schematic diagram of hydraulic cyclone formula sewage-treatment plant in Fig. 1 specific embodiment of the invention.
Fig. 2 is the structural schematic diagram of Whirlwind tank and tank parts in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
When specific implementation: as shown in Figure 1 to Figure 3, a kind of hydraulic cyclone formula sewage-treatment plant, including Whirlwind tank 2, eddy flow
Pond top is tangentially provided with Whirlwind tank water inlet, the side wall above Whirlwind tank water inlet be equipped with overflow port it is for processing after
Sewage discharge;Eddy flow bottom of pond portion is equipped with bottom outlet for deposit discharge;It is characterized in that, further including being set to above Whirlwind tank
Water tank 3, the water inlet of water tank are connected with drinking-water pipe 4 and are connected with source of sewage, and suction pump is equipped on drinking-water pipe;Water tank bottom
Water outlet is connected with Whirlwind tank water inlet by the conducting of water inlet pipe 5, and flocculant adding mouth is additionally provided on water tank, is being flocculated
Flocculant adding tube 6 is connected in agent adding mouth, the outer end of flocculant adding tube forms flocculant input terminal.
In this way, by the way that a water tank is arranged above Whirlwind tank, it is first that the treatment sewage of cesspool is defeated by suction pump
It send to water tank, and the flocculant adding mouth by being arranged on water tank adds flocculant, by first making sewage and flocculant
It is reacted in advance in water tank and under an opposing stationary environment, so that with positive (negative) electrical property in flocculant
It is close to each other with negative (just) electrical some particles for being difficult to separate or particle in group and sewage, its potential is reduced, is made
It plays pendulum, and using its aggregation property these particles is concentrated.While carrying out preliminary treatment to sewage
Mix flocculant with sewage more uniform.The degree of mixedness for improving sewage and flocculant, is wadded a quilt with cotton with improving in subsequent reactions
Processing effect of solidifying agent.And then passed through the mixed liquor to be processed after water inlet pipe mixes sewage and flocculant and pass through itself
Gravity is delivered to downwards Whirlwind tank, so that after flocculant and sewage mixed liquor enter Whirlwind tank, the high speed under the processing of Whirlwind tank
Centrifugal movement improves processing capacity to improve whole device to the treatment effeciency of sewage.
As optimization, the source of sewage includes the cesspool 1 being connected with drinking-water pipe.
In such manner, it is possible to the practical application of more convenient entire processing unit, and more rationally.
In present embodiment, water inlet on Whirlwind tank 2 is two and corresponding is set to Whirlwind tank same level
Diametric two sides;Two water inlets of Whirlwind tank 2, which are connected each by water inlet pipe with the water outlet of 3 bottom of water tank, to be connected.
In this way, by designing two water inlets on Whirlwind tank, and two water inlets are that corresponding to be set to Whirlwind tank same
The two sides in one horizontal diameter direction, enabling to the sewage that Whirlwind tank is entered from water tank is entered from the two sides of same diameter
, can preferably guarantee the stationarity of Whirlwind tank, and can more convenient Whirlwind tank with sewage do centrifugal movement, improve rotation
Flow the processing capacity and treatment effect in pond.
In present embodiment, flocculant adding tube 6 extend into one end end face in water tank 3 normal and water tank it is interior
Side wall is in tangent setting;Drinking-water pipe 4 protrudes into the normal of one end end face of water tank 3 and the inner sidewall of water tank in tangent setting.
In such manner, it is possible to flow into sewage and flocculant along the inner sidewall of water tank, enable flocculant and sewage more preferable
Mixing to be reacted in advance, improve sewage enter the ability processed after Whirlwind tank.When it is implemented, flocculant adding tube
The normal direction for one end end face that the normal direction for one end end face extending into water tank protrudes into water tank with drinking-water pipe is in opposite sets
It sets, enables to flocculant and sewage to form convection current in this way, increase its mixing uniformity, improve pre-reaction effect.
It further include bottom plate 7 in present embodiment, bottom plate is in horizontal circular ring shape plate structure and is arranged and is connected to rotation
It flows on the periphery wall of pond, the inside of bottom plate and the periphery wall of Whirlwind tank are connected and fixed, and are folded upward at outside extending to form on the outside of bottom plate
Side plate 8, and the collecting tank of whole structure in a ring is collectively formed in outer panel 8, bottom plate 7 and Whirlwind tank periphery wall;And in the collection
Vertical partition 10 is equipped in liquid bath, partition encloses closed annulus, partition in one in projection vertically arranged and in the horizontal plane
Lower end and plate upper surface be connected and fixed with by collecting tank separate in inside a ring shape overflow launder 11 and outside one
The lautertuns 12 of ring shape, and filter structure is equipped in lautertuns;Whirlwind tank be equipped with level-one overflow port and with the overflow
The connection of slot upper end;Second level overflow port is equipped with so that overflow launder to be connected to lautertuns in partition upper end, is additionally provided with dirt on outer side plate
Water water outlet is simultaneously connected with sewage efferent duct 9 to export filtered sewage;And level-one overflow port, second level overflow port and sewage
The vertical height of water outlet is in successively reduction setting.
In this way, sewage flows in overflow launder from the level-one overflow port of Whirlwind tank, overflow launder can carry out the sewage of entrance
Precipitating is overflow from the second level of partition upper end again later so that high speed centrifugation post exercise sewage carries out static deposition out of Whirlwind tank
Head piece flows to lautertuns, and sewage at this time has already passed through deposition, then is once filtered, after preferably capable of improving sewage treatment
Quality.And the sewage that Whirlwind tank overflow port flows out preferably can be collected and be handled by the structure of entire collecting tank,
The structure of entire collecting tank is more compact simultaneously, and structure is more reasonable.Also, to sewage in the process of processing, because adding
Added with flocculant, this can have partial flocculation agent and not react completely with sewage completely, or reaction is not enough, the overflow of design
Slot further can carry out reaction for sewage and flocculant and provide reacting environment and reaction time, and not anti-for part
Flocculant can be filtered by the flocculant answered, lautertuns, to obtain the sewage of better quality.
In present embodiment, the filter structure includes the cobblestone 13 being arranged in lautertuns.
In this way, filter structure is simpler, and it can be improved filter efficiency.
In present embodiment, be connected with deposit delivery pipe 14 on Whirlwind tank bottom outlet, deposit delivery pipe it is another
One end is connected with cesspool to be connected;And check valve and electronic flowmeter are equipped in deposit delivery pipe.
In this way, the deposited object delivery pipe of the deposit of eddy flow bottom of pond portion is delivered to cesspool, it is able to carry out recycling.
In present embodiment, mixing pump 15 is equipped in cesspool.
In such manner, it is possible to which the deposit of eddy flow bottom of pond portion is stirred evenly with treatment sewage, facilitate subsequent processing.
In present embodiment, the inside bottom surface of water tank 3 is recessed tapered surface, is installed in the centre bit of recessed tapered surface
It is equipped with water outlet of water tank.
In such manner, it is possible to which the sewage in water tank is preferably facilitated to be flowed into Whirlwind tank.
It further include control centre in present embodiment;It is equipped with the first electromagnetism check valve 16 on drinking-water pipe, is intaking
Pipe is equipped with the second electromagnetism check valve 17, and third electromagnetism check valve 18 is equipped in flocculant adding tube;The first electromagnetism list
It is connected to the automatically controlled end, the automatically controlled end of the second electromagnetism check valve and the automatically controlled end of third electromagnetism check valve of valve with control centre.
In such manner, it is possible to which convenient remove to control the first electromagnetism check valve, the second electromagnetism check valve and the by operational control center
Three electromagnetism check valves, to reach the sewage quantity that control enters water tank, the sewage quantity into Whirlwind tank and the flocculation into water tank
The amount of agent, so that the intelligence degree of whole equipment is higher, it is more convenient to use.
In present embodiment, the suction pump is Sewage metering pump 19;Sediment content inspection is additionally provided on drinking-water pipe
Instrument 20 is surveyed, flocculant metering pump 21 is equipped in flocculant adding tube;And sediment content detector, Sewage metering pump and reagent
Metering pump is connected with control centre;Pre-set control programs are used for according to sediment content in drinking-water pipe and draw water in control centre
Water flow carries out automatically controlling flocculant addition concentration in flocculant adding tube in pipe, and control program confirms according to the following formula
Corresponding relationship between three,
The concentration of the flocculant of addition is wherein set as n,
In formula: the sediment content of sewage, unit g/L in the drinking-water pipe that s measures for sediment content detector;
Q is the flow that Sewage metering pumps sewage in the drinking-water pipe measured, unit L/s;
N flocculant concentration, unit mg/L.
In this way, can go to be taken out by sediment content detector by the way that sediment content detector is arranged on drinking-water pipe
The content value s of silt in water pipe;Sewage metering is arranged on drinking-water pipe to pump, can be pumped by Sewage metering and go to obtain drinking-water pipe
Water flow value Q;Control centre is the computer with input function, inputs above-mentioned formula in control centre, removes to obtain the n in formula
Value, by control flocculant metering pump so that in the flocculant and drinking-water pipe of addition silt content value s and drinking-water pipe
Water flow value Q carries out Corresponding matching.It enables to whole equipment more convenient to use in this way, different Q value and s value can be directed to
The concentration of matching flocculant is gone, preferably to improve the treatment effeciency to sewage, processing capacity, the quality that improves that treated.Mud
The model of husky content detection instrument wins wind ULS133M1-LSK100, is the existing equipment for detecting sediment content.
In conclusion the present invention has the following advantages that;
1, the present invention only relies on waterpower and runs, and combines with specific flocculant and carries out clean water treatment to sewage to obtain clearly
Water, silt removal rate reach as high as 90%.
2, the present invention combines with flocculation handles sewage, and the concentration about flocculant can be according to the resulting difference of experiment
Required flocculant concentration is different under sediment concentration, is added, to reach optimal purifying water effect, also save the cost.
3, size of the invention can be adjusted according to the sediment content of required processing and the required water purification rate reached,
Both it is applicable to municipal sewage treatment, is equally applicable to the pretreatment of agricultural irrigation technology, in other industry also in combination with corresponding dress
It sets and is applied.
4, structure is simple, cheap, purchases convenient for required.
5, operational management is very convenient, keeps an eye on without special messenger, it is only necessary to inspect periodically.