CN209797701U - Efficient nitrogen and phosphorus removal sewage treatment integrated equipment - Google Patents
Efficient nitrogen and phosphorus removal sewage treatment integrated equipment Download PDFInfo
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- CN209797701U CN209797701U CN201920273408.4U CN201920273408U CN209797701U CN 209797701 U CN209797701 U CN 209797701U CN 201920273408 U CN201920273408 U CN 201920273408U CN 209797701 U CN209797701 U CN 209797701U
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- 239000010865 sewage Substances 0.000 title claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims description 27
- 229910052698 phosphorus Inorganic materials 0.000 title claims description 21
- 239000011574 phosphorus Substances 0.000 title claims description 21
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000701 coagulant Substances 0.000 claims abstract description 39
- 238000004062 sedimentation Methods 0.000 claims abstract description 35
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 239000004576 sand Substances 0.000 claims abstract description 16
- 238000005345 coagulation Methods 0.000 claims abstract description 15
- 230000015271 coagulation Effects 0.000 claims abstract description 15
- 230000001112 coagulating effect Effects 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 25
- 239000000945 filler Substances 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- 239000001301 oxygen Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 206010021143 Hypoxia Diseases 0.000 claims description 17
- 238000005273 aeration Methods 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
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- 238000007037 hydroformylation reaction Methods 0.000 description 2
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- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
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- 229920000728 polyester Polymers 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to the field of sewage treatment, in particular to a high-efficiency denitrification and dephosphorization sewage treatment integrated device, wherein the outer ring is provided with a pre-anoxic tank, an anaerobic tank, a primary anoxic tank and a primary aerobic tank which are sequentially communicated along the circumferential direction, the middle ring is provided with a secondary anoxic tank and a secondary aerobic tank which are sequentially communicated along the circumferential direction, the output end of the first-stage aerobic tank is communicated with the input end of the second-stage anoxic tank, the inner ring is sequentially provided with a secondary sedimentation tank, a coagulation-aiding tank, a sand filter tank, a clear water tank and a sludge tank along the circumferential direction, the ring core is provided with a coagulation sedimentation tank, the output end of the secondary aerobic tank is communicated with the secondary sedimentation tank, the coagulation and coagulation aiding tank comprises a coagulant lattice and a coagulant aid lattice, and the secondary sedimentation tank, the coagulant grid, the coagulant aid grid and the coagulating sedimentation tank are sequentially communicated, the effluent of the coagulating sedimentation tank enters the sand filter for filtration, the filtered clear water flows into the clear water tank, and the sludge is discharged into the sludge tank. The utility model provides high biochemical denitrogenation efficiency, it is low to consume the carbon source, and the mud production volume is few, and the cost is with low costs, and the management is convenient.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment and specifically relates to a high-efficient nitrogen and phosphorus removal sewage treatment integration equipment.
background
ammonia nitrogen and phosphorus exist in a plurality of industrial wastewater, in particular wastewater discharged in the production processes of steel, chemical fertilizer, inorganic chemical industry, ferroalloy, meat processing, feed processing and the like, and the existing methods for treating high-nitrogen high-phosphorus wastewater are many, but the main process principle comprises pretreatment plus A/O process or pretreatment plus A2o Process ", wherein the A/O Process is also called anaerobic aerobic Process, A (anaerobic) is an anaerobic stage for removing nitrogen and phosphorus, O (oxic) is an aerobic stage for removing organic matters from water, A2The O process is an anaerobic-anoxic-aerobic biological nitrogen and phosphorus removal process, and is characterized in that an anoxic tank is embedded on the basis of the original A/O process, the mixed liquid of the effluent of the aerobic tank flows back to the anoxic tank, and the processes of phosphorus uptake and nitrification and nitrogen removal are realized simultaneously. The following disadvantages exist in the adoption of the structure:
1. Because the traditional biological denitrification process is adopted, the problem of low C/N (carbon-nitrogen ratio) exists, a large amount of carbon sources are usually required to be added, and the loss of medicaments and energy consumption is caused;
2. Because the traditional biological denitrification process is adopted, the denitrification efficiency is low, the A/O process tank capacity is large, and the capital cost is high.
3. The biological phosphorus removal does not completely treat the high-phosphorus wastewater.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a high-efficient nitrogen and phosphorus removal sewage treatment integration equipment, be "oxygen deficiency pond + two-stage AO + high-efficient dephosphorization section + sand filtration" with the traditional technology improvement in advance, improved biochemical nitrogen removal efficiency, and ammonia nitrogen and total phosphorus clearance are high to it is low to consume the carbon source, and the mud production is few, and operation management is simple and convenient, adopts annular overall arrangement to shorten the total cost of inside and outside backflow pipeline and mud discharge system in addition, practices thrift the cost, and operation management is convenient.
The purpose of the utility model is realized through the following technical scheme:
The utility model provides an integrated equipment of high-efficient nitrogen and phosphorus removal sewage treatment, includes outer loop, zhonghuan, inner ring and ring heart part, and wherein the outer loop is equipped with in proper order along the circumferencial direction and goes ahead in advance oxygen deficiency pond, anaerobism pond, one-level oxygen deficiency pond and one-level good oxygen pond, the inlet tube with go ahead in advance the oxygen deficiency pond and link to each other, it goes up in proper order to go ahead in advance oxygen deficiency pond, anaerobism pond, one-level oxygen deficiency pond and one-level good oxygen pond intercommunication, the zhonghuan is equipped with second grade oxygen deficiency pond and second grade good oxygen pond that communicate in proper order along the circumferencial direction, just one-level good oxygen pond output on the outer loop with second grade oxygen deficiency pond input on the zhonghuan feeds through, the inner ring is equipped with secondary sedimentation tank, coagulation-assistant pond, sand filter pond, clean water basin and sludge impoundment along the circumferencial direction, The coagulant grid, the coagulant aid grid and the coagulating sedimentation tank are communicated in sequence, the effluent of the coagulating sedimentation tank enters the sand filter for filtration, the filtered clear water flows into the clear water tank, and the sludge is discharged into the sludge tank.
The first-stage anoxic tank and the first-stage aerobic tank form a first-stage A/O section, and the second-stage anoxic tank and the second-stage aerobic tank form a second-stage A/O section.
The first-stage aerobic tank is internally provided with a combined filler, and the second-stage aerobic tank is internally provided with a high-efficiency denitrification filler.
And aeration devices are arranged in the first-stage anoxic tank and the first-stage aerobic tank and are supplied with oxygen through air blowers.
The output of one-level good oxygen pond is equipped with first return line and links to each other with the input in one-level oxygen deficiency pond, two heavy ponds are equipped with the second return line and link to each other with the input in one-level oxygen deficiency pond.
The coagulant in the coagulant grid is a high-efficiency dephosphorization agent, and the coagulant in the coagulant aid grid is PAM.
The anaerobic tank, the primary anoxic tank, the secondary anoxic tank, the coagulant lattice and the coagulant aid lattice are all internally provided with submersible mixers.
The coagulating sedimentation tank is internally provided with an inclined tube filler, and the sand filter tank is internally provided with quartz sand.
The utility model discloses an advantage does with positive effect:
1. The utility model discloses be "oxygen deficiency pond in advance + two-stage AO + high-efficient dephosphorization section + sand filtration" with the traditional technology improvement, adopt the technological structure of two-stage AO denitrogenation, it is efficient to have the denitrogenation, advantages such as operation maintenance convenience to the carbon consumption also greatly reduced.
2. The utility model discloses an one-level AO section adopts the combined packing, and second grade AO section adopts high-efficient denitrogenation filler, and high-efficient denitrogenation filler is higher than the anti aeration disturbance performance of combined packing, and the microorganism volume is many, fully guarantees denitrogenation efficiency.
3. The utility model discloses a second grade AO section aerobic tank goes out water and carries out dephosphorization after deposiing after getting into two heavy ponds, has guaranteed the activity of two heavy pond backward flow mud, has avoided the subsequent high-efficient dephosphorization medicament of activated sludge consumption of second grade AO section play water again, guarantees that nitrogen phosphorus is stable qualified.
4. The utility model discloses wholly be circular design, shortened return line and row's mud system's total cost, practice thrift the cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a pre-anoxic tank, 2 is an anaerobic tank, 3 is a first-stage anoxic tank, 4 is a first-stage aerobic tank, 5 is a second-stage anoxic tank, 6 is a second-stage aerobic tank, 7 is a second sedimentation tank, 8 is a coagulant grid, 9 is a coagulant aid grid, 10 is a coagulation sedimentation tank, 11 is a sand filter tank, 12 is a clean water tank, and 13 is a sludge tank.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, the utility model is of circular design, comprising an outer ring, a middle ring, an inner ring and a ring center part, wherein the outer ring is provided with a pre-anoxic tank 1, an anaerobic tank 2 and a first-stage A/O section along the circumferential direction in sequence, the first-stage A/O section comprises a first-stage anoxic tank 3 and a first-stage aerobic tank 4, a water inlet pipe is connected with the pre-anoxic tank 1, the anaerobic tank 2, the first-stage anoxic tank 3 and the first-stage aerobic tank 4 are communicated in sequence, the middle ring is provided with a second-stage A/O section along the circumferential direction, the second-stage A/O section comprises a second-stage anoxic tank 5 and a second-stage aerobic tank 6 which are communicated, the output end of the first-stage aerobic tank 4 on the outer ring is communicated with the input end of the second-stage anoxic tank 5 on the middle ring, the inner ring is provided with, the ring heart is equipped with coagulating sedimentation tank 10, 6 output ends in the second grade good oxygen pond on the zhonghuan with two heavy ponds 7 intercommunication on the inner ring, coagulating coagulation pond includes coagulant check 8 and coagulant check 9, just two heavy ponds 7, coagulant check 8, coagulant check 9 and the coagulating sedimentation tank 10 of ring heart communicate in proper order, coagulating sedimentation tank 10's play water gets into sand filter 11 filters, and during clear water flow into clear water basin 12 after the filtration, mud discharged into and deposited in the sludge impoundment 13.
A grid is arranged in the pre-anoxic tank 1, and larger suspended matters and sand grains in the sewage are filtered by the grid.
The anaerobic tank 2 is provided with a submersible mixer, and the function of the submersible mixer is mainly to convert refractory substances in wastewater into easily degradable substances, provide an easily degradable carbon source for denitrification reaction in the anoxic tank, and perform phosphorus release action in the tank by phosphorus releasing bacteria. In the embodiment, the residence time of the sewage in the anaerobic tank 2 is controlled to be 1.5-2 hours, the dissolved oxygen DO is less than 0.2mg/L, the temperature T is more than or equal to 15 ℃, and the pH is controlled to be 6-9.
the first-stage anoxic tank 3 of the first-stage A/O section is internally provided with a submersible stirrer, the first-stage anoxic tank 3 is used for converting organic matters into inorganic matters and a small amount of cell matters by utilizing the metabolic process of microorganisms under the condition of not providing oxygen, and performing denitrification, in the embodiment, the first-stage anoxic tank 3 controls the retention time of sewage to be 1.5-3 hours, the dissolved oxygen DO is 0.2-0.5 mg/L, the temperature T is more than or equal to 15 ℃, and the pH is 6-9.
The primary aerobic tank 4 of the primary A/O section is internally provided with combined fillers, an aeration device is arranged in the primary aerobic tank 4, and an oxygen source is provided for the primary aerobic tank 4 through a blower, wherein the aeration device and the blower are used for supplying oxygen, and the aeration device and the blower are well-known technologies in the field. The sewage in the primary aerobic tank 4 is changed into nitrate nitrogen under the action of nitrifying bacteria under the aerobic condition, so that the aerobic nitrification reaction is realized to remove ammonia nitrogen and organic matters. In the embodiment, the water retention time of the primary aerobic tank 4 is controlled to be 4-8 hours, the dissolved oxygen DO is 3-4 mg/L, the temperature T is more than or equal to 15 ℃, and the pH is 6-9. The combined filler is a known technology, is developed on the basis of soft filler and semi-soft filler, has the advantages of the soft filler and the semi-soft filler, and has the structure that a plastic wafer is changed into a double-ring large plastic ring by pressing and buckling, hydroformylation fibers or polyester yarns are pressed on the ring of the outer ring, so that fiber bundles are uniformly distributed, and the inner ring is a snowflake-shaped plastic branch, so that the combined filler can be used for hanging a film, effectively cutting bubbles and improving the transfer rate and the utilization rate of oxygen. The water-gas biomembrane is fully exchanged, and the organic matters in the water are efficiently treated.
A submersible stirrer is arranged in the second-stage anoxic tank 5 of the second-stage A/O section, and the function of the submersible stirrer is the same as that of the first-stage anoxic tank 3. In the embodiment, the water treatment residence time of the secondary anoxic tank 5 is controlled to be 1.5-3 hours, the dissolved oxygen DO is 0.2-0.5 mg/L, the temperature T is more than or equal to 15 ℃, and the pH is 6-9.
An aeration device is arranged in a secondary aerobic tank 6 of the secondary A/O section, an air blower is used for providing an oxygen source, a filler in the secondary aerobic tank 6 is a high-efficiency denitrification filler, the high-efficiency denitrification filler is a known technology in the field, a hydroformylation fiber or polyester yarn and a plastic supporting framework are wound together, the high-efficiency denitrification filler has a high-efficiency denitrification effect and an effect of removing organic matters and phosphorus, the sludge amount is high (MLSS) 20000-30000 mg/L, the TN removal rate is more than or equal to 80%, and the KTN removal rate is more than or equal to 85%. In the embodiment, the retention time of the treated water in the secondary aerobic tank 6 is 4-8 hours, the dissolved oxygen DO is 4-5 mg/L, the temperature T is more than or equal to 15 ℃, and the pH value is 9.
The first-stage A/O section and the second-stage A/O section are the same as the conventional A/O process, and are characterized in that: (1) organic substances can be effectively removed; (2) the control program is simple, and the automatic control is easy to realize; (3) operation management is convenient, in a flexible way, the regulation nature is good, however the utility model discloses an it packs to be equipped with the combination in the good oxygen pond of one-level 5, be equipped with high-efficient denitrogenation filler in the good oxygen pond of second grade 6, water is after the biochemical effect of one-level AO section, organic matter concentration reduces substantially, still has a certain amount of organic matter to exist, the organic matter is made to the second grade AO section and is obtained further oxidative decomposition, simultaneously under the carbonization tends to under the complete condition, nitrification can go on smoothly, further completion nitration, the biochemical denitrification efficiency has been improved and carbon consumption volume has also been reduced simultaneously.
The output of one-level good oxygen pond 4 is equipped with the input that first return line and one-level oxygen deficiency pond 3 link to each other, in this embodiment, the reflux ratio control of first return line is at 100% ~ 300%, get into in the secondary sedimentation pond 7 after the output of the processing water in the second grade good oxygen pond 6, secondary sedimentation pond 7 is equipped with the second return line simultaneously and links to each other with the input of one-level oxygen deficiency pond 3, and is equipped with the backward flow sludge pump in the secondary sedimentation pond 7, and secondary sedimentation pond 7 is used for carrying out the water and stewing and realizing mud-water separation, in this embodiment, the water sedimentation time in the secondary sedimentation pond 7 is 2 ~ 5 hours, surface load 0.6 ~ 1.0m3square meter per hour. The mud that deposits in the pond 7 is sunk to the second through the return sludge pump effect returns to the input in one-level oxygen deficiency pond 3 through the second return line, and flow through one-level good oxygen pond 4 once more under the drive of going out water in first return line, its effect is the activated sludge who takes away of the outflow of the mixed liquid in supplementing one-level good oxygen pond 4, make the suspension solid concentration MLSS in the aeration tank keep relatively stable, simultaneously when mud backward flow, increase the stirring in the pond, make mud and the equal interior of contact of sewage, can improve the sewage treatment effect, and also can play certain effect to buffering quality of water of intaking.
The effluent of the secondary sedimentation tank 7 flows through a coagulant grid 8 and a coagulant aid grid 9 of the coagulation aiding tank in sequence, and submersible mixers are arranged in the coagulant grid 8 and the coagulant aid grid 9. In the embodiment, the coagulant adopted in the coagulant grid 8 is an efficient phosphorus removal agent, the coagulation time is controlled to be 5-10 minutes, the coagulant aid adopted in the coagulant aid grid 9 is PAM (anionic polyacrylamide), the coagulation aid function is achieved, and the flocculation time is controlled to be 10-20 minutes. The efficient phosphorus removal agent and the PAM are all known in the art.
Effluent of the coagulant aid grid 9 enters a coagulating sedimentation tank 10, an inclined tube filler is arranged in the coagulating sedimentation tank 10 to realize mud-water separation, the inclined tube filler is a known technology in the field and is a commercially available product, and in the embodiment, an inclined tube filler manufacturer is a sea-choosing source environment-friendly filler limited company. In the embodiment, the retention time of water in the coagulation sedimentation tank 10 is controlled to be 1.5-2.5 hours.
The effluent in the coagulating sedimentation tank 10 enters a sand filter tank 11, quartz sand is arranged in the sand filter tank 11, the quartz sand is in a compacted state under the action of self gravity in the idle period of the filter tank, the water input during the operation freely falls under the action of gravity and is guided to a clean water tank 12 by a clean water pipe at the bottom of the sand filter tank 11 after being filtered by the quartz sand, as the operation time of the sand filter 11 increases, more and more impurities are intercepted by the quartz sand, the resistance of the filter layer is continuously increased, the water level of the filter gradually rises, when the water level of the filter tank rises to a certain height, the filtering effect of the filter tank obviously drops, and the filter tank needs to be backwashed at the moment, which is the known technology in the field, during backwashing, a backwashing water pump and a backwashing water valve at the bottom of the filter tank are opened, backwashing water flows upwards in a counter-flow manner, the quartz sand filter material is in a swelling state under the action of gravity and water flow, filtered sludge is flushed by the backwashing water and then discharged into a sludge tank 13 through a pipeline for precipitation, and supernatant on the upper portion of the sludge is waited for secondary treatment.
The utility model discloses a theory of operation does:
The utility model discloses on traditional biological nitrogen removal technology AO basis, the anterior segment is equipped with oxygen deficiency pond 1 and anaerobism pond 2 in advance, the back end is equipped with the second grade AO section that adopts high-efficient denitrogenation filler, water is through the biochemical effect of one-level AO section, organic matter concentration reduces substantially, still there is a certain amount of organic matter to exist, the second grade AO section makes the organic matter obtain further oxidative decomposition, simultaneously under the carbonization tends to under the complete condition, nitrification can go on smoothly, further accomplish nitration, the efficiency of biochemical nitrogen removal has been improved and carbon consumption amount has also been reduced simultaneously. The secondary A/O section is connected with a secondary sedimentation tank 7 after the secondary A/O section, so that the activity of return sludge of the secondary sedimentation tank is ensured, the subsequent efficient phosphorus removal agent is prevented from being consumed by the active sludge of the effluent of the secondary A/O section, the effluent of the secondary sedimentation tank 7 is efficiently dephosphorized under the action of a coagulant aid grid 8 and a coagulant aid grid 9 of a coagulation aid tank and a coagulation sedimentation tank 10, and then the effluent is treated by a sand filter 11. The water quality ratio of the inlet and outlet water treated by the utility model is shown in the following table:
Water quality meter
Claims (8)
1. The utility model provides a high-efficient nitrogen and phosphorus removal sewage treatment integration equipment which characterized in that: comprises an outer ring, a middle ring, an inner ring and a ring center part, wherein the outer ring is sequentially provided with a pre-anoxic tank (1), an anaerobic tank (2), a first-stage anoxic tank (3) and a first-stage aerobic tank (4) along the circumferential direction, a water inlet pipe is connected with the pre-anoxic tank (1), the anaerobic tank (2), the first-stage anoxic tank (3) and the first-stage aerobic tank (4) are sequentially communicated, the middle ring is provided with a second-stage anoxic tank (5) and a second-stage aerobic tank (6) which are sequentially communicated along the circumferential direction, the output end of the first-stage aerobic tank (4) on the outer ring is communicated with the input end of the second-stage anoxic tank (5) on the middle ring, the inner ring is sequentially provided with a second sedimentation tank (7), a coagulation aiding tank, a sand filter tank (11), a clear water tank (12) and a sludge tank (13) along the circumferential direction, the ring center is provided with a coagulation, the coagulation-aiding tank comprises coagulant grids (8) and coagulant grids (9), the secondary sedimentation tank (7), the coagulant grids (8), the coagulant grids (9) and the coagulation sedimentation tank (10) are sequentially communicated, effluent of the coagulation sedimentation tank (10) enters the sand filter tank (11) for filtration, clear water after filtration flows into the clear water tank (12), and sludge is discharged into the sludge tank (13).
2. The integrated equipment for high-efficiency denitrification and dephosphorization wastewater treatment according to claim 1, wherein: the primary anoxic tank (3) and the primary aerobic tank (4) form a primary A/O section, and the secondary anoxic tank (5) and the secondary aerobic tank (6) form a secondary A/O section.
3. The integrated equipment for high-efficiency nitrogen and phosphorus removal sewage treatment according to claim 1 or 2, which is characterized in that: the primary aerobic tank (4) is provided with a combined filler, and the secondary aerobic tank (6) is provided with a high-efficiency denitrification filler.
4. The integrated equipment for high efficiency denitrification and dephosphorization wastewater treatment according to claim 3, wherein: aeration devices are arranged in the first-stage anoxic tank (3) and the first-stage aerobic tank (4) and are supplied with oxygen through blowers.
5. The integrated equipment for high-efficiency denitrification and dephosphorization wastewater treatment according to claim 1, wherein: the output of one-level good oxygen pond (4) is equipped with the input that first return line and one-level oxygen deficiency pond (3) link to each other, two heavy ponds (7) are equipped with the input that second return line and one-level oxygen deficiency pond (3) link to each other.
6. The integrated equipment for high-efficiency denitrification and dephosphorization wastewater treatment according to claim 1, wherein: the coagulant in the coagulant grid (8) is a high-efficiency dephosphorization agent, and the coagulant in the coagulant aid grid (9) is PAM.
7. The integrated equipment for high-efficiency denitrification and dephosphorization wastewater treatment according to claim 1, wherein: and submersible mixers are arranged in the anaerobic tank (2), the primary anoxic tank (3), the secondary anoxic tank (5), the coagulant grid (8) and the coagulant aid grid (9).
8. The integrated equipment for high-efficiency denitrification and dephosphorization wastewater treatment according to claim 1, wherein: the coagulating sedimentation tank (10) is internally provided with an inclined tube filler, and the sand filter tank (11) is internally provided with quartz sand.
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| CN201920273408.4U CN209797701U (en) | 2019-03-05 | 2019-03-05 | Efficient nitrogen and phosphorus removal sewage treatment integrated equipment |
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| CN201920273408.4U CN209797701U (en) | 2019-03-05 | 2019-03-05 | Efficient nitrogen and phosphorus removal sewage treatment integrated equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847765A (en) * | 2020-06-19 | 2020-10-30 | 浙江中呈科技股份有限公司 | District sewage integration high efficiency processing system |
| CN114751593A (en) * | 2022-04-25 | 2022-07-15 | 广东新洁源环保工程有限公司 | Short-cut nitrification and denitrification integrated cultivation wastewater treatment equipment |
| CN117886443A (en) * | 2023-07-04 | 2024-04-16 | 四川中科申科技有限公司 | Biochemical process for sewage treatment |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111847765A (en) * | 2020-06-19 | 2020-10-30 | 浙江中呈科技股份有限公司 | District sewage integration high efficiency processing system |
| CN111847765B (en) * | 2020-06-19 | 2022-08-23 | 浙江中呈科技股份有限公司 | District sewage integration high efficiency processing system |
| CN114751593A (en) * | 2022-04-25 | 2022-07-15 | 广东新洁源环保工程有限公司 | Short-cut nitrification and denitrification integrated cultivation wastewater treatment equipment |
| CN117886443A (en) * | 2023-07-04 | 2024-04-16 | 四川中科申科技有限公司 | Biochemical process for sewage treatment |
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