CN116282678B - Integrated assembly type sewage nitrogen and sand removal equipment - Google Patents
Integrated assembly type sewage nitrogen and sand removal equipment Download PDFInfo
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- CN116282678B CN116282678B CN202310172777.5A CN202310172777A CN116282678B CN 116282678 B CN116282678 B CN 116282678B CN 202310172777 A CN202310172777 A CN 202310172777A CN 116282678 B CN116282678 B CN 116282678B
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- inner sleeve
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- 239000010865 sewage Substances 0.000 title claims description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 32
- 229910052757 nitrogen Inorganic materials 0.000 title claims description 16
- 239000004576 sand Substances 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 215
- 238000005189 flocculation Methods 0.000 claims abstract description 40
- 230000016615 flocculation Effects 0.000 claims abstract description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000006004 Quartz sand Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 230000001954 sterilising effect Effects 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 13
- 239000013049 sediment Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 41
- 238000001914 filtration Methods 0.000 description 30
- 230000001580 bacterial effect Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 206010024796 Logorrhoea Diseases 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000036632 reaction speed Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
本申请公开了集成化装配式水处理设备，包括反硝化罐、絮凝罐以及过滤罐，所述反硝化罐内设置有陶粒滤料，所述絮凝罐内设置有搅拌桨以及斜沉管，所述过滤罐内设置有石英砂滤层，所述反硝化罐的罐顶通过管道与絮凝罐的罐底相接，絮凝罐的罐顶通过管道与过滤罐的罐顶相接。本发明具有如下有益效果：采用了反硝化罐、絮凝罐以及过滤罐组合在一起使用，实现了集成式模块化装配式安装，安装更加方便，处理过程中不会有臭气产生，更加节约生产场地。
The present application discloses an integrated assembled water treatment equipment, including a denitrification tank, a flocculation tank and a filter tank, wherein the denitrification tank is provided with a ceramsite filter material, the flocculation tank is provided with a stirring paddle and an inclined sinking pipe, the filter tank is provided with a quartz sand filter layer, the top of the denitrification tank is connected to the bottom of the flocculation tank through a pipeline, and the top of the flocculation tank is connected to the top of the filter tank through a pipeline. The present invention has the following beneficial effects: the denitrification tank, the flocculation tank and the filter tank are used together, and an integrated modular assembled installation is realized, the installation is more convenient, no odor is generated during the treatment process, and the production site is more saved.
Description
The application relates to a split application of an integrated assembly type water treatment device, which has the application date of 2021, 10, 11 and 2021111813015.
Technical Field
The invention relates to the field of water purification, in particular to an integrated assembled water treatment device.
Background
In the prior art, a large amount of sewage is generated in the industrial and agricultural production, a plurality of production enterprises are built with simple small sewage treatment plants, the small sewage treatment plants generally comprise three water tanks of a denitrification tank, a flocculation tank and a filtering tank, the small sewage treatment plants have the defects that the first three water tanks are all exposed, a large amount of odor is generated in the treatment process, the probability that workers operate to fall into water exists, and the second small sewage treatment plants need to occupy a large production field.
Disclosure of Invention
The present invention addresses the above-described problems by providing an integrated, fabricated water treatment device.
The technical scheme adopted by the invention is as follows:
the utility model provides an integrated assembled water treatment facilities, includes denitrification tank, flocculation tank and filtration jar, be provided with the haydite filter material in the denitrification tank, be provided with stirring rake and oblique immersed tube in the flocculation tank, be provided with quartz sand filtering layer in the filtration jar, the tank deck of denitrification tank meets through the bottom of the pipeline with the flocculation tank, and the tank deck of flocculation tank meets through the tank deck of pipeline with the filtration tank.
In this treatment facility, adopted denitrification jar, flocculation tank and filtration jar to make up and use together, realized integrated form modularization assembled installation, the installation is more convenient, does not have the foul smell to produce in the processing procedure, practice thrift the production place more.
The function of each pot in the device is as follows
The sewage flows from bottom to top (passes through a filtering layer in the denitrification tank), a large amount of denitrification biological flora grows on the surface of a ceramsite filtering material under the anoxic condition, and meanwhile, a high-quality carbon source is added, so that nitrite and nitrate are converted into nitrogen through denitrification and released from water. Compared with a deep bed filter tank adopting quartz sand filter materials, the denitrification capability is greatly improved, the requirements of higher total nitrogen water and lower total nitrogen water outlet can be met, the denitrification tank adopts a design of self-descending and upward-flowing, water fall oxygenation is avoided, carbon sources are saved, a nitrogen driving device is omitted, the filtering speed is higher, the period is longer, and more efficient denitrification is realized.
And (3) a flocculation tank, wherein PAC is added on a water outlet pipe of the denitrification tank, and PAM is added in the flocculation tank. The mechanical lifting of the stirrer is utilized, the lower active sludge circularly flows in the reaction barrel and is fully contacted, collided and adsorbed with the inlet water, and the flocculation reaction is continuously carried out, so that the deep removal of phosphorus and the removal of solid suspended matters are realized.
The filtering tank passes through the quartz sand filtering layer from top to bottom, the solid suspended matters are removed deeply by the interception of the thick filtering layer, and the SS of the effluent is less than 2.0mg/L.
It should be further explained that the denitrification tank and flocculation tank and the filtration tank in the present solution are actually one large tank integrated together, mainly consisting of two large cylinders, the inner large cylinder being the flocculation tank, and the gap between the inner large cylinder and the outer large cylinder being separated into an independent denitrification tank and flocculation tank.
Optionally, circular shape inlet tube has been connect to the tank bottom department of denitrification jar, be provided with the manger plate post in the inlet tube, the diameter of manger plate post equals with the internal diameter of inlet tube, has seted up helical runner on the lateral wall of manger plate post, and the end department of manger plate post is provided with the hook hole, the inlet tube is the inlet tube of plastics material, the manger plate post is the manger plate post of metal material.
The sewage treatment device is characterized in that a water blocking column is arranged, a spiral flow passage is arranged on the side wall of the water blocking column, the diameter of the water blocking column is equal to the inner diameter of a water inlet pipe, the design is that the water blocking column is tightly attached to the pipe wall of the water inlet pipe, sewage flows from the flow passage of the water blocking column, the sewage is equivalent to a spiral curve in a water inlet tank, the flow velocity of the sewage can be slowed down by the spiral curve relative to the spiral curve, the sewage flow direction is more stable in a linear manner, the friction between the water and the pipe and the water blocking column can be increased, the water temperature of the sewage can be increased, the denitrification reaction speed can be properly accelerated when denitrification is carried out, and the suspended sediment (including other particles of the same type) dissolved in the sewage can be attached to the water blocking column and the water inlet pipe in the continuous friction impact process.
The metal support is selected for the specific water blocking column, the surface of the water blocking column is a rough surface, the water inlet pipe is made of plastic, the inner wall of the water inlet pipe is a smooth surface, so that most of sediment particles can be attached to the surface of the water blocking column, and when cleaning is needed, the water blocking column can be pulled out of the water inlet pipe only by hooking the hook holes on the water blocking column through the hooks.
Optionally, the manger plate post has a plurality ofly, and the axis of all manger plates posts coincide each other, and the spiral direction of runner on two adjacent manger plates is opposite, and hook hole intercommunication runner.
The water flow can be repeatedly switched between the left rotation and the right rotation by the design, the collision among suspended particles in the water can be increased as much as possible by the repeated switching, so that most suspended particles can be attached to the water retaining columns, meanwhile, the flow direction of the water flow is switched, the water temperature of the sewage can be raised relatively higher, and the reaction speed can be accelerated as much as possible in the subsequent denitrification reaction.
It should be noted that the water blocking column can remove a part of substances such as sediment, but cannot remove all substances, and sediment remained in the sewage still needs to be flocculated and precipitated by the flocculation tank using a chemical flocculant.
Optionally, the water inlet device is arranged at the joint of the water inlet pipe and comprises a joint pipe, a filter vat, an inner barrel and a check ring, wherein the filter vat is connected with the joint pipe, the inner barrel is arranged in the filter vat, a hole is formed in the barrel wall of the filter vat, the barrel wall of the inner barrel is parallel to the barrel wall of the filter vat, the check ring is arranged on the joint pipe, the check ring is in a horn shape, the filter vat is positioned in the check ring, and a gap exists between the check ring and the filter vat.
Because sewage flows into the inlet tube, there is some large granule material, and some large granule material can be crowded garrulous like this, some can not be crowded garrulous, so set up above-mentioned water inlet device, when water flows through the hole on the filter vat, can be crowded garrulous granule by the effect of hole and become less granule, and can not be blocked outside the filter vat by crowded garrulous granule, the existence of retaining ring simultaneously, the large granule material that is blocked outside the filter vat can be collected by the retaining ring.
The inner cylinder is arranged in the filter barrel, so that the water flow is turned by the blocking effect of the inner cylinder, and the sewage is turned after flowing into the filter barrel and then flows to the joint pipe (the joint pipe is used for being connected with the water pipe).
Therefore, in summary, the water inlet device can play a role in pre-crushing large-particle sediment, and prevent the sediment from blocking the water blocking column.
Optionally, the water inlet device further comprises a guide sleeve, wherein the guide sleeve is arranged in the inner cylinder, and the guide sleeve is parallel to the inner cylinder.
The guide sleeve is used for enabling the flowing water to stably flow in one direction after the flowing water is collected.
Optionally, the filter tank further comprises a drain pipe, the drain pipe is arranged at the bottom of the filter tank, a sterilizing device is connected to the drain pipe, the sterilizing device comprises a water outlet nozzle, an inner sleeve and an outer sleeve, the water outlet nozzle is connected with the drain pipe, the water outlet nozzle is fixedly arranged at one end of the inner sleeve, the water outlet nozzle is positioned outside the inner sleeve, a gap exists between the water outlet nozzle and the inner sleeve, the outer sleeve is sleeved outside the inner sleeve, the inner sleeve is made of transparent material, and an ultraviolet lamp is arranged between the inner sleeve and the outer sleeve.
Because the bacterial content of sewage is very high, after denitrification, flocculation and filtration, the bacterial content in water can not be effectively reduced (part of bacteria can be adsorbed by flocculation and filtration), but still the bacterial content in water is very high, and some agricultural water has a limit on the bacterial content in water, for example, the bacterial content is too high to be used, so the sterilizing device is arranged, and the sterilizing device has a certain sterilizing effect on the flowing water leaving from a drain pipe, so that the bacterial content in water is reduced.
The principle of the specific sterilizing device is as follows, firstly, the water outlet nozzle is connected with the drain pipe, water leaving from the water outlet nozzle enters the inner sleeve, and as the water outlet nozzle is positioned outside the inner sleeve and a gap exists between the water outlet nozzle and the inner sleeve, negative pressure is formed near water flow, nearby gas can be continuously pressed near the water flow, part of gas can be mixed with water, part of oxygen can be converted into ozone due to the irradiation of the ultraviolet lamp in the process, part of ozone can be dissolved in the water, and as the ozone can play a role in killing bacteria in the water, the bacteria content of the discharged water is reduced.
The sterilizing device is equivalent to a circle of air flow (the air flow has the trend of running water columns) which is coated outside the water columns, and the ultraviolet rays are coated outside the air flow, so that the design can sterilize the running water 360 degrees without dead angles, and the sterilizing is more comprehensive.
The inner sleeve is made of glass, and the outer sleeve is made of metal, so that ultraviolet exposure can be avoided.
Optionally, the inner sleeve is horn-shaped, the water outlet nozzle is positioned at one side of the narrow opening end of the inner sleeve, and the outer sleeve is in a truncated cone shape.
The specific inner sleeve is in a horn shape, and the water outlet nozzle is positioned at one side of the narrow opening end of the inner sleeve, so that the design is that water flow (including air flow) is wide from a narrow flow direction, and the splashing phenomenon generated when the water flow flows out is reduced. The outer sleeve is in a truncated cone shape so as to be convenient for connecting some water pipes.
Optionally, a funnel-shaped arc surface is arranged at the narrow opening end of the inner sleeve.
The funnel-shaped arc surface has the function of guiding air, so that gas can be mixed with water flow, and meanwhile, the dissipation phenomenon of the water flow can be reduced.
Optionally, the denitrification tank is connected with a vacuum pump through a pipeline (the pipeline is positioned above the liquid level).
The top of the denitrification tank is provided with the vacuumizing pump, so that the denitrification tank is vacuumized at fixed time, negative pressure is formed in the denitrification tank, nitrogen generated in the reaction process can escape from water conveniently, and the denitrification reaction can be accelerated.
Optionally, the inclined immersed tube is a ceramic inclined immersed tube.
The inclined sinking tank is made of clay, firstly, in order to enable the inclined sinking pipe to have the characteristic of being porous and absorb particles as much as possible, and secondly, the weight of the whole tank body can be reduced, and the inclined sinking tank is convenient to assemble.
The integrated type modularized assembly type installation has the beneficial effects that the integrated type modularized assembly type installation is realized by combining the denitrification tank, the flocculation tank and the filtering tank, the installation is more convenient, odor is not generated in the treatment process, and the production field is saved.
Drawings
FIG. 1 is a schematic diagram of an integrated, fabricated water treatment facility,
Figure 2 is a schematic illustration of the structure of a water barrier,
Figure 3 is a schematic and schematic illustration of the structure of the water inlet device,
Figure 4 is a schematic cross-sectional view of a water inlet device,
Figure 5 is a schematic view of the structure of the sterilizing device,
Figure 6 is a schematic illustration of the mating relationship of the inner sleeve and the water outlet nozzle.
The reference numerals in the figure are 1, a water inlet pipe, 2, a denitrification tank, 201, a ceramsite filter material, 3, a flocculation tank, 301, an inclined sinking pipe, 302, a stirring paddle, 4, a filtering tank, 401, quartz sand, 5, a water drain pipe, 6, a water retaining column, 601, a runner, 602, a hook hole, 701, a joint pipe, 702, a guide sleeve, 703, an inner cylinder, 704, a retainer ring, 705, a filter vat, 801, a water outlet nozzle, 802, a bracket, 803, an inner sleeve, 804 and an outer sleeve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, the integrated assembled water treatment equipment comprises a denitrification tank 2, a flocculation tank 3 and a filtering tank 4, wherein a ceramic filter material 201 is arranged in the denitrification tank 2, a stirring paddle 302 and an inclined sinking pipe 301 are arranged in the flocculation tank 3, a quartz sand 401 filter layer is arranged in the filtering tank 4, the tank top of the denitrification tank 2 is connected with the tank bottom of the flocculation tank 3 through a pipeline, and the tank top of the flocculation tank 3 is connected with the tank top of the filtering tank 4 through a pipeline.
In this treatment facility, adopted denitrification jar 2, flocculation tank 3 and filtration jar 4 to make up and use together, realized integrated form modularization assembled installation, the installation is more convenient, does not have the foul smell production in the handling process, practice thrift the production place more.
The function of each pot in the device is as follows
The denitrification tank 2 is used for enabling sewage to flow from bottom to top (passing through a filtering layer in the denitrification tank 2), a large amount of denitrification biological flora grows on the surface of the ceramsite filtering material 201 under the anoxic condition, and meanwhile, a high-quality carbon source is added, so that nitrite and nitrate are converted into nitrogen through denitrification, and released from water. Compared with a deep bed filter tank adopting quartz sand 401 filter materials, the denitrification capability is greatly improved, the denitrification tank can meet the requirements of higher total nitrogen water and lower total nitrogen water, and the denitrification tank 2 adopts a design of self-downward upward flow, avoids water fall and oxygenation, saves carbon sources, simultaneously omits a nitrogen driving device, has higher filtering speed and longer period, and realizes more efficient denitrification.
And a flocculation tank 3, PAC is added on a water outlet pipe of the denitrification tank 2, and PAM is added in the flocculation tank 3. The mechanical lifting of the stirrer is utilized, the lower active sludge circularly flows in the reaction barrel and is fully contacted, collided and adsorbed with the inlet water, and the flocculation reaction is continuously carried out, so that the deep removal of phosphorus and the removal of solid suspended matters are realized.
The filtering tank 4 passes through the filtering layer of the quartz sand 401 from top to bottom, the solid suspended matters are removed deeply by the interception of the thick filtering layer, and the SS of the effluent is less than 2.0mg/L.
It should be further noted that the denitrification tank 2 and flocculation tank 3 and filtration tank 4 in this embodiment are actually one large tank integrated together, mainly consisting of two large cylinders, the inner large cylinder being flocculation tank 3, and the gap between the inner large cylinder and the outer large cylinder being separated by separate denitrification tank 2 and flocculation tank 3.
As shown in fig. 1 and 2, a circular water inlet pipe 1 is connected to the bottom of the denitrification tank 2, a water blocking column 6 is arranged in the water inlet pipe 1, the diameter of the water blocking column 6 is equal to the inner diameter of the water inlet pipe 1, a spiral flow passage 601 is formed in the side wall of the water blocking column 6, a hook hole 602 is formed in the end of the water blocking column 6, the water inlet pipe 1 is made of plastic, and the water blocking column 6 is made of metal.
The water blocking column 6 is arranged, a spiral runner 601 is arranged on the side wall of the water blocking column 6, the diameter of the water blocking column 6 is equal to the inner diameter of the water inlet pipe 1, the design is that the water blocking column 6 is tightly attached to the pipe wall of the water inlet pipe 1, sewage flows from the runner 601 of the water blocking column 6, the sewage is equivalent to a spiral curve in the water inlet tank, the flow velocity of the sewage can be slowed down by the spiral curve relative to the straight line, the sewage flows to the denitrification tank 2 more stably, the friction between the water and the pipe and the water blocking column 6 can be increased, the water temperature of the sewage can be improved, the denitrification reaction speed can be properly accelerated when denitrification is carried out, and the suspended sediment (including other types of particles) dissolved in the sewage can be attached to the water blocking column 6 and the water inlet pipe 1 in the continuous friction impact process of the water blocking column 1, so that the influence on denitrifying bacteria can be furthest reduced.
The metal support is selected for the specific water blocking column 6, the surface of the water blocking column 6 is a rough surface, the water inlet pipe 1 is made of plastic, the inner wall of the water inlet pipe 1 is a smooth surface, so that most of silt particles can be attached to the surface of the water blocking column 6, and the water blocking column 6 can be pulled out of the water inlet pipe 1 only by hooking the hook holes 602 on the water blocking column 6 through hooks when cleaning is needed.
As shown in fig. 2, the number of the water blocking columns 6 is plural, the central axes of all the water blocking columns 6 are mutually overlapped, the spiral directions of the flow channels 601 on two adjacent water blocking columns 6 are opposite, and the hook holes 602 are communicated with the flow channels 601.
The water flow can be repeatedly switched between the left rotation and the right rotation by the design, the collision among suspended particles in the water can be increased as much as possible by the repeated switching, so that most suspended particles can be attached to the water retaining columns 6, meanwhile, the flow direction of the water flow is switched, the water temperature of the sewage can be raised relatively higher, and the reaction speed can be accelerated as much as possible when denitrification reaction is carried out subsequently.
It should be noted that the water blocking column 6 may remove a part of substances such as sediment, but may not remove all of the substances, and sediment remaining in the sewage still needs to be flocculated and precipitated by the flocculation tank 3 using a chemical flocculant.
As shown in fig. 1, 3 and 4, the water inlet device is arranged at the joint of the water inlet pipe 1, the water inlet device comprises a joint pipe 701, a filter barrel 705, an inner barrel 703 and a check ring 704, the filter barrel is connected with the joint pipe 701, the inner barrel 703 is arranged in the filter barrel, a hole is formed in the barrel wall of the filter barrel 705, the barrel wall of the inner barrel 703 is parallel to the barrel wall of the filter barrel, the check ring 704 is arranged on the joint pipe 701, the check ring 704 is in a horn shape, the filter barrel 705 is positioned in the check ring 704, and a gap exists between the check ring 704 and the filter barrel 705.
Because sewage water flows into the water inlet pipe 1, some large granular matters exist, so that some large granular matters can be crushed and some large granular matters cannot be crushed, the water inlet device is arranged, when water flows through the holes in the filter vat 705, the crushed grains can be crushed into smaller granular matters under the action of the holes, the crushed grains can be blocked outside the filter vat 705, and meanwhile, the large granular matters blocked outside the filter vat 705 can be collected by the check ring 704 due to the existence of the check ring 704.
The inner cylinder 703 is arranged in the filter drum 705, so that the water flow is turned by the blocking effect of the inner cylinder 703, and the sewage flows into the filter drum 705, and then flows to the joint pipe 701 (the joint pipe 701 is used for following the water pipe 1).
Therefore, in combination, the water inlet device can play a role in pre-crushing large-particle sediment, and the sediment is prevented from blocking the water blocking column 6.
As shown in fig. 3 and 4, the water inlet device further includes a guide sleeve 702, the guide sleeve 702 is disposed in the inner cylinder 703, and the guide sleeve 702 is parallel to the inner cylinder 703.
The guide sleeve 702 functions to allow the running water to stably flow in one direction after the running water is collected.
As shown in fig. 1,5 and 6, the filter tank further comprises a drain pipe 5, the drain pipe 5 is arranged at the bottom of the filter tank 4, a sterilizing device is connected to the drain pipe 5, the sterilizing device comprises a water outlet nozzle 801, an inner sleeve 803 and an outer sleeve, the water outlet nozzle 801 is connected with the drain pipe 5, the water outlet nozzle 801 is fixedly arranged at one end of the inner sleeve 803, the water outlet nozzle 801 is positioned outside the inner sleeve 803, a gap is reserved between the water outlet nozzle 801 and the inner sleeve 803, the outer sleeve is sleeved outside the inner sleeve 803, the inner sleeve 803 is made of transparent materials, and an ultraviolet lamp is arranged between the inner sleeve 803 and the outer sleeve.
Because the bacterial content of sewage is very high, after denitrification, flocculation and filtration, the bacterial content in the water can not be effectively reduced (part of bacteria can be adsorbed by flocculation and filtration), but the bacterial content in the water is still very high, and some agricultural water has a limit on the bacterial content in the water, for example, the bacterial content is too high to be used, so the sterilizing device is arranged, and the sterilizing device has a certain sterilizing effect on the flowing water leaving from the drain pipe 5, so that the bacterial content in the water is reduced.
The principle of the specific sterilization device is as follows, firstly, the water outlet nozzle 801 is connected with the drain pipe 5, water leaving from the water outlet nozzle 801 enters the inner sleeve 803, and as the water outlet nozzle 801 is positioned outside the inner sleeve 803 and a gap exists between the water outlet nozzle 801 and the inner sleeve 803, negative pressure is formed near water flow, nearby gas is continuously pressed near water flow, part of gas is mixed with water, part of oxygen is converted into ozone due to irradiation of the ultraviolet lamp in the process, part of ozone is dissolved in the water, and as the ozone can play a role in killing bacteria in the water, the bacteria content of the discharged water is reduced.
The sterilizing device is equivalent to a circle of air flow (the air flow has the trend of running water columns) which is coated outside the water columns, and the ultraviolet rays are coated outside the air flow, so that the design can sterilize the running water 360 degrees without dead angles, and the sterilizing is more comprehensive.
In particular, the inner sleeve 803 is made of glass, while the outer sleeve is made of metal, so that ultraviolet exposure can be avoided.
As shown in fig. 5 and 6, the inner sleeve 803 is horn-shaped, the water outlet nozzle 801 is located at one side of the narrow mouth end of the inner sleeve 803, and the outer sleeve is truncated cone-shaped.
The inner sleeve 803 is in a horn shape, and the water outlet nozzle 801 is positioned at one side of the narrow opening end of the inner sleeve 803, so that the water flow (including air flow) is widened from a narrow flow direction, and the splashing phenomenon generated when the water flow flows out is reduced. The outer sleeve is in a truncated cone shape so as to be convenient for connecting some water pipes.
As shown in fig. 5 and 6, a funnel-shaped arc surface is provided at the narrow mouth end of the inner sleeve 803.
The funnel-shaped arc surface has the function of guiding air, so that gas can be mixed with water flow, and meanwhile, the dissipation phenomenon of the water flow can be reduced.
As shown in the drawing, the denitrification tank 2 is connected with a vacuum pump through a pipeline (the pipeline is positioned above the liquid level).
The top of the denitrification tank 2 is provided with the vacuumizing pump, so that the denitrification tank 2 is vacuumized at fixed time, negative pressure is formed in the denitrification tank 2, nitrogen generated in the reaction process can escape from water conveniently, and the denitrification reaction can be accelerated.
As shown in fig. 1, the inclined immersed tube 301 is a ceramic inclined immersed tube 301.
The inclined settling tank is made of clay, firstly, in order to enable the inclined settling tube 301 to have the characteristic of being porous and absorb particles as much as possible, and secondly, the weight of the whole tank body can be reduced, and the assembly is convenient.
It should be further noted that the arrows in fig. 1 and fig. 4 indicate the flow direction of the water flow.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but is intended to cover all equivalent modifications, direct or indirect, as applied to other related technical fields.
Claims (4)
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| CN206266390U (en) * | 2016-10-12 | 2017-06-20 | 江苏中宜金大环保产业技术研究院有限公司 | It is a kind of to alleviate the device that denitrification deep-bed filter top layer blocks |
| CN211339182U (en) * | 2019-09-26 | 2020-08-25 | 中机国际环保科技有限公司 | Denitrification deep-bed composite filter material filter tank |
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| JPH08303680A (en) * | 1995-05-08 | 1996-11-22 | Migaku Hanno | City water hose coupling part inserting type impurity removing device |
| CN2485047Y (en) * | 2001-03-19 | 2002-04-10 | 李进财 | Improvement of the water outlet structure of the shower head |
| CN201400627Y (en) * | 2009-02-27 | 2010-02-10 | 丁晓 | All-in-one water processing device |
| BR112014029837A2 (en) * | 2012-05-30 | 2017-06-27 | L Barnes Ronald | disinfectant system |
| CN109963642B (en) * | 2016-11-14 | 2020-07-10 | 创新水护理有限责任公司 | Apparatus and method for forming chemical solutions |
| CN109650652A (en) * | 2018-12-24 | 2019-04-19 | 浙江中昌水处理科技有限公司 | Biochemistry pool MBBR technique coupling denitrification deep-bed filter denitrification dephosphorization system and method |
| CN212166674U (en) * | 2020-03-30 | 2020-12-18 | 牛春玲 | Municipal administration is debris filter equipment for sewage treatment |
| CN111283970A (en) * | 2020-04-02 | 2020-06-16 | 绍兴市思德龙热流道有限公司 | Insert and hot runner system are adjusted to hot runner flow and stream length |
| CN113045125A (en) * | 2021-03-19 | 2021-06-29 | 净化控股集团股份有限公司 | High standard combined sewage treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206266390U (en) * | 2016-10-12 | 2017-06-20 | 江苏中宜金大环保产业技术研究院有限公司 | It is a kind of to alleviate the device that denitrification deep-bed filter top layer blocks |
| CN211339182U (en) * | 2019-09-26 | 2020-08-25 | 中机国际环保科技有限公司 | Denitrification deep-bed composite filter material filter tank |
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