CN114538704A - Water treatment facilities based on synchronous nitrification and denitrification technique - Google Patents
Water treatment facilities based on synchronous nitrification and denitrification technique Download PDFInfo
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- CN114538704A CN114538704A CN202210147025.9A CN202210147025A CN114538704A CN 114538704 A CN114538704 A CN 114538704A CN 202210147025 A CN202210147025 A CN 202210147025A CN 114538704 A CN114538704 A CN 114538704A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title description 11
- 239000000945 filler Substances 0.000 claims abstract description 31
- 230000007062 hydrolysis Effects 0.000 claims abstract description 28
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 28
- 238000005516 engineering process Methods 0.000 claims abstract description 23
- 230000000813 microbial effect Effects 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 5
- 230000001651 autotrophic effect Effects 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 20
- 238000009360 aquaculture Methods 0.000 abstract description 10
- 244000144974 aquaculture Species 0.000 abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005352 clarification Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical group CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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
- 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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
- C02F2209/14—NH3-N
-
- 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
- C02F2209/16—Total nitrogen (tkN-N)
-
- 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
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- 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
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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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention belongs to the technical field of water treatment, and particularly discloses a water treatment device based on a synchronous nitrification and denitrification technology, which comprises a hydrolysis tank, a synchronous nitrification and denitrification tank and a filter tank which are sequentially connected; a microbial agent is arranged in the hydrolysis tank; a cathode denitrification device is arranged in the synchronous nitrification and denitrification tank, and the reflection end of the cathode denitrification device is arranged in the synchronous nitrification and denitrification tank; and a filler area is arranged in the filter tank. The water treatment device disclosed by the invention has reasonable function distribution, has hydrolysis, denitrification and clarification functions, realizes aerobic simultaneous nitrification and denitrification by utilizing a cathode denitrification technology, realizes water purification in a smaller area, effectively reduces COD (chemical oxygen demand), BOD (biochemical oxygen demand), ammonia nitrogen and total nitrogen of the water, greatly reduces the treatment cost and improves the production efficiency of aquaculture.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a water treatment device based on a synchronous nitrification and denitrification technology.
Background
The aquaculture is an important component of agricultural production and plays an important role in national economy, the high-density and factory-intensive aquaculture industry with high land resource and water resource utilization rate is rapidly developed in the last 20 years, in the process of the high-density aquaculture, a large amount of toxic and harmful organic matters such as residual baits, plankton metabolites, excrement of cultured animals and the like in the aquaculture water body can be accumulated, the water body can be deteriorated when the organic matter content in the water body is too high, so that fishes grow slowly or even die or flood pools, the quality of the aquatic products is influenced, the concentration of tail water of the aquaculture is low, COD is as high as 50-100 mg/l, ammonia nitrogen is 0.5-12mg/l, and total nitrogen is 5-30 mg/l. The current problem is that the total nitrogen is more serious, the minimum value of the emission of the total nitrogen is 5mg/l according to 2007 specification, and the high value is 2 mg/l. Because the influent concentration is lower, the current sewage treatment system is less suitable for treating low-concentration wastewater, and the running cost is higher.
The technology of three-pool and two-dam is a tail water purification technology, and the technology comprises a sedimentation tank as the first stage, an aeration denitrification tank as the second stage and a third stage artificial wetland tank. The water quality is purified by basically adopting an ecological method (mainly submerged plants), the purification efficiency is low, a large amount of water surface needs to be occupied, and according to the medium-high density aquaculture, the purification capacity is basically more than 1: 1.5 ratio design, i.e. 1000m3The culture water body needs 1000-1500m3The above area is cleaned. Land occupation and high rental costs.
The data provided by fish and vegetable symbiosis are as follows: 1500 cubic planting amount is required to be prepared for every 1000 parts of culture water.
Most of the existing sewage treatment technologies can ensure COD ammonia nitrogen to reach the standard, but no economic treatment scheme exists in the face of total nitrogen.
Disclosure of Invention
The invention provides a water treatment device based on a synchronous nitrification and denitrification technology, which can effectively realize water body purification and has low cost and short treatment time.
The invention adopts the following technical scheme for solving the technical problems:
a water treatment device based on a synchronous nitrification and denitrification technology comprises a hydrolysis tank, a synchronous nitrification and denitrification tank and a filter tank which are connected in sequence;
and a microbial agent is arranged in the hydrolysis tank, and the microbial agent is lactic acid bacteria.
A cathode denitrification device is arranged in the synchronous nitrification and denitrification tank, and the reflection end of the cathode denitrification device is arranged in the synchronous nitrification and denitrification tank;
and a filler area is arranged in the filter tank.
The water treatment device disclosed by the invention has reasonable function distribution, has hydrolysis, denitrification and clarification functions, realizes aerobic simultaneous nitrification and denitrification by utilizing a cathode denitrification technology, realizes water purification in a smaller area, effectively reduces COD (chemical oxygen demand), BOD (biochemical oxygen demand), ammonia nitrogen and total nitrogen of the water, greatly reduces the treatment cost and improves the production efficiency of aquaculture.
The hydrolysis tank can effectively decompose bait and excrement.
The synchronous nitrification and denitrification tank can effectively realize the denitrification efficiency of microorganisms and remove nitrite nitrogen.
The filter tank can effectively remove nitrogen and improve the transparency of the water body.
The water treatment device integrates organic matter decomposition, synchronous nitrification and denitrification, precipitation separation and denitrification, has simple process flow, can effectively improve the water treatment efficiency, has small floor area and short treatment time, and can effectively save the cost.
Preferably, the hydrolysis tank is connected with the synchronous nitrification and denitrification tank through a connecting pipe, a pump is arranged on the connecting pipe, and a connecting port communicated with the filter tank is formed in the synchronous nitrification and denitrification tank.
Preferably, a water distributor is arranged above the hydrolysis tank.
Preferably, the bottom of the hydrolysis tank is provided with a circulating pump.
Preferably, an aeration pipe and an inclined plate plug flow machine are also arranged in the synchronous nitrification and denitrification tank.
Preferably, a suspended filler is also arranged in the synchronous nitrification and denitrification tank.
Preferably, the suspension filler is a polyurethane sponge filler.
Preferably, the filler zone is internally provided with a sulfur autotrophic denitrification filler.
Preferably, a water outlet is formed in one side, away from the synchronous nitrification and denitrification tank, of the filter tank.
The hydrolysis tank can effectively decompose various organic matters and decompose residues such as baits, excrement and the like, the hydrolysis tank can circularly treat a water body through the circulating pump, the treated water body is pumped into the synchronous nitrification and denitrification tank through the connecting pipe, the microbial denitrification efficiency is synchronously realized through the cathode denitrification device and the suspended filler, nitrite nitrogen is removed, then the water body enters the filter tank through the connecting port through the inclined plate plug flow machine, the water body is treated through the filler area of the filter tank, and water is removed through the water outlet, so that the treatment process is completed.
The invention has the beneficial effects that: the water treatment device disclosed by the invention has reasonable function distribution, has hydrolysis, denitrification and clarification functions, realizes aerobic simultaneous nitrification and denitrification by utilizing a cathode denitrification technology, realizes water purification in a smaller area, effectively reduces COD (chemical oxygen demand), BOD (biochemical oxygen demand), ammonia nitrogen and total nitrogen of the water, greatly reduces the treatment cost and improves the production efficiency of aquaculture. Synchronous nitrification and denitrification pond can effectual realization microorganism denitrification efficiency, get rid of nitrite nitrogen, the filtering pond can effectual denitrogenation, improves water transparency, water treatment facilities collect organic matter decomposition, synchronous nitrification and denitrification, precipitation separation, denitrogenation in an organic whole, process flow is simple, can effectual improvement water treatment efficiency, just water treatment facilities area little, the processing time is short, can effectual saving cost, can not cause secondary pollution, the system can effectual processing low concentration breed sewage.
Drawings
FIG. 1 is a schematic diagram of a water treatment device based on a synchronous nitrification and denitrification technology;
the notation in the figure is: 1. a hydrolysis tank; 11. a water distributor; 12. a microbial agent; 2. a synchronous nitrification and denitrification tank; 21. a cathode denitrification device; 22. a transmitting end; 23. a sloping plate plug flow machine; 24. an aeration pipe; 25. suspending the filler; 26. a connecting port; 3. a filter chamber; 31. a filler zone; 32. a water outlet; 4. a circulation pump; 5. a connecting pipe; 6. and (4) a pump.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
Example 1
A water treatment device based on a synchronous nitrification and denitrification technology comprises a hydrolysis tank 1, a synchronous nitrification and denitrification tank 2 and a filter tank 3 which are connected in sequence; the hydrolysis tank 1 is connected with the synchronous nitrification and denitrification tank 2 through a connecting pipe 5, a pump 6 is arranged on the connecting pipe 5, a connecting port 26 communicated with the filter tank 3 is formed in the synchronous nitrification and denitrification tank 2, a microbial agent 12 is arranged in the hydrolysis tank 1 and is lactic acid bacteria, a water distributor 11 is arranged above the hydrolysis tank 1, and a circulating pump 4 is arranged at the bottom of the hydrolysis tank 1; a cathode denitrification device 21 is arranged in the synchronous nitrification and denitrification tank 2, a reflection end 22 of the cathode denitrification device 21 is arranged in the synchronous nitrification and denitrification tank 2, and an aeration pipe 24 and an inclined plate flow pushing machine 23 are also arranged in the synchronous nitrification and denitrification tank 2; and a filler area 31 is arranged in the filter.
Further, a suspended filler 25 is also arranged in the synchronous nitrification and denitrification tank 2, and the suspended filler 25 is a polyurethane sponge filler (the size is 20mm multiplied by 20mm, and the using amount is 12/L). The proportion of the suspended filler 25 is 20-50% of the capacity of the nitrification and denitrification tank. The nitrification and denitrification region is provided with nitrification and denitrification bacteria (bacillus).
Further, the filler area 31 is provided with a sulfur autotrophic denitrification filler, and a hollow porous material is provided inside the filler area. Can parasitize microorganisms and prevent blockage, and the filler contains partial sulfur modified filler so as to utilize sulfur autotrophic bacteria to ensure that the sulfur autotrophic denitrification filler is sulfur modified ceramsite.
The preparation method of the sulfur modified ceramsite comprises the following steps: and (3) uniformly mixing 7 parts by weight of porous ceramsite and 3 parts by weight of pyrite to obtain the mixture, and filling the mixture into a filter, wherein the filler is large-particle medium with the density of more than 3CM so as to prevent blockage.
Further, a water outlet 32 is arranged on one side of the filter 3 away from the synchronous nitrification and denitrification tank 2.
The hydrolysis tank 1 can effectively decompose various organic matters and decompose residues such as baits, excrements and the like, the hydrolysis tank 1 can circularly treat a water body through the circulating pump 2, the treated water body is pumped into the synchronous nitrification and denitrification tank through the connecting pipe 5, the microbial denitrification efficiency is synchronously realized through the cathode denitrification device 21 and the suspended filler 25 to remove nitrite nitrogen, then the water body enters the filter tank 3 through the connecting port 26 through the inclined plate flow pushing machine 23, is treated through the filler area 31 of the filter tank 3, and is dewatered through the water outlet 32, and the treatment process is finished.
The water treatment device disclosed by the invention has reasonable function distribution, has hydrolysis, denitrification and clarification functions, realizes aerobic simultaneous nitrification and denitrification by utilizing a cathode denitrification technology, realizes water purification in a smaller area, effectively reduces COD (chemical oxygen demand), BOD (biochemical oxygen demand), ammonia nitrogen and total nitrogen of the water, greatly reduces the treatment cost and improves the production efficiency of aquaculture.
The hydrolysis tank 1 can effectively decompose bait and excrement.
The synchronous nitrification and denitrification 2 can effectively realize the denitrification efficiency of microorganisms and remove nitrite nitrogen.
The filter 3 can effectively remove nitrogen and improve the transparency of the water body.
The water treatment device integrates organic matter decomposition, synchronous nitrification and denitrification, precipitation separation and denitrification, has simple process flow, can effectively improve the water treatment efficiency, has small floor area and short treatment time, and can effectively save the cost.
Examples
Taking certain sewage as a water inlet body, wherein the index of the water inlet body is shown in table 1, treating the water inlet body by the water treatment device, and the treated index is shown in table 1.
As can be seen from Table 1, the water treatment device of the invention can effectively purify the water body and reduce COD, BOD and NH 3-N, TN of the water body.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A water treatment device based on a synchronous nitrification and denitrification technology is characterized by comprising a hydrolysis tank, a synchronous nitrification and denitrification tank and a filter tank which are connected in sequence;
a microbial agent is arranged in the hydrolysis tank;
a cathode denitrification device is arranged in the synchronous nitrification and denitrification tank, and the reflection end of the cathode denitrification device is arranged in the synchronous nitrification and denitrification tank;
and a filler area is arranged in the filter tank.
2. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein the hydrolysis tank is connected with the synchronous nitrification and denitrification tank through a connecting pipe, a pump is arranged on the connecting pipe, and a connecting port communicated with the filter tank is formed in the synchronous nitrification and denitrification tank.
3. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein a water distributor is arranged above the hydrolysis tank.
4. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein a circulating pump is arranged at the bottom of the hydrolysis tank.
5. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein an aeration pipe and an inclined plate flow pushing machine are further arranged in the synchronous nitrification and denitrification tank.
6. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein a suspended filler is further arranged in the synchronous nitrification and denitrification tank.
7. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 6, wherein the suspended filler is polyurethane sponge filler.
8. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein the filler zone is internally provided with sulfur autotrophic denitrification fillers.
9. The water treatment device based on the synchronous nitrification and denitrification technology according to claim 1, wherein a water outlet is formed in one side of the filter tank, which is far away from the synchronous nitrification and denitrification tank.
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2022
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