CN206814486U - A kind of garbage leachate biological denitrification apparatus - Google Patents
A kind of garbage leachate biological denitrification apparatus Download PDFInfo
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- CN206814486U CN206814486U CN201720730310.8U CN201720730310U CN206814486U CN 206814486 U CN206814486 U CN 206814486U CN 201720730310 U CN201720730310 U CN 201720730310U CN 206814486 U CN206814486 U CN 206814486U
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Abstract
The utility model provides a kind of garbage leachate biological denitrification apparatus, including one-level denitrification pond, one-level nitrification tank, two level denitrification pond, two level nitrification tank and the MBR system being sequentially connected by pipeline, the one-level denitrification pond and one-level nitrification tank are connected with cooling system, the two level nitrification tank is connected by nitrate reflux pump with the one-level denitrification pond, the one-level nitrification tank is connected with defoaming pump, and jet aerator is provided with the one-level nitrification tank and the two level nitrification tank.The utility model can realize two-stage nitrification and denitrification biological denitrificaion, when handling mature landfill leachate, the jet aerator of two level nitrification tank stops aeration, only carry out exposing water to stir, i.e. two level nitrification tank changes into two level denitrification pond, therefore leachate quality change can be preferably adapted to, treatment effeciency is high, and cost is low.
Description
Technical field
It the utility model is related to the processing unit technical field of percolate, and in particular to a kind of percolate biology
Nitrogen rejection facility.
Background technology
Percolate refers to rubbish during stacking or landfill, by water and drop caused by a series of aerobic reactions
Lower infiltration after water wash etc., percolate be in addition to water and the water-holding capacity of soil layer that rubbish is held in itself,
By the surface evaporation of refuse landfill, the organic wastewater of last caused a kind of high concentration.Domestic rubbish is typically using mixed
The mode collected with blended landfill is closed, garbage constitution is complicated and changeable, and the change of properties scope of each department garbage leachate is larger, by
Fill species, burying method, landfill yard scale, the influence for filling the various factors such as cycle and Changes in weather.Especially exist
The big area of precipitation, a large amount of rainwashes during due to rainfall, the pollutant in landfill yard are eluted by rainwater, make to ooze drip
Liquid water quality deterioration.
Bioanalysis is a kind of method the most frequently used in wastewater treatment, and its operating cost is relatively low, treatment effeciency is high, and dirty
Dye thing can be removed effectively, and secondary pollution is few, thus widely used by countries in the world.Aerobic biological process skill in the treatment of waste water
Art comparative maturity, main active sludge, oxidation ditch, the aerobic stabilization pool, biological rotating disk, the technique such as denitrification and nitrification are good
Oxygen processing can be effectively reduced BOD5, COD and ammonia nitrogen, can also remove other polluters such as metal such as iron, manganese.Aerobic life
Thing processing when organic matter change into sludge ratio it is relevant with sludge loading, Treatment of Sludge and disposal technique it is complex, take
With higher, for garbage leachate, due to its water quality complicated, BOD5 and COD concentration is high, tenor is higher, water
Matter water change greatly, the content of ammonia nitrogen it is higher, microbial nutrition element ratio imbalance etc. factor, merely traditional aerobe at
Science and engineering skill is used for that leachate treatment difficulty to be larger, and as emission request is higher, effluent quality is difficult to reach requirement, and handling process is taken up an area
Area is larger, and is difficult to reach denitrogenation requirement.
Therefore two-stage nitrification and denitrification biological denitrificaion can be realized by being badly in need of offer one kind, can preferably adapt to percolate water
Qualitative change, treatment effeciency is high, the low garbage leachate biological denitrification apparatus of cost.
Utility model content
The purpose of this utility model is the deficiency for existing leachate biological denitrification apparatus, there is provided one kind can realize two
Level nitrification and denitrification biological denitrificaion, leachate quality change can be preferably adapted to, treatment effeciency is high, the low garbage filter of cost
Liquid biological denitrification apparatus.
The utility model provides following technical scheme：
A kind of garbage leachate biological denitrification apparatus, including be sequentially connected by pipeline one-level denitrification pond, one-level nitre
Change pond, two level denitrification pond, two level nitrification tank and MBR system, the one-level denitrification pond and one-level nitrification tank are and cooling system
System is connected, and the two level nitrification tank is connected by nitrate reflux pump with the one-level denitrification pond, and the one-level nitrification tank connects
Defoaming pump is connected to, jet aerator is provided with the one-level nitrification tank and the two level nitrification tank.Wherein, the presence energy of defoaming pump
Enough prevent that a large amount of foams influence nitrification/denitrifying process；Nitric acid hydrochlorate reflux pump can be by a part for two level nitrification tank
Effluent recycling realizes interior circulation, strengthens biochemical process, so that two-stage biological reactor has multistage nitre to one-level denitrification pond
Change denitrifying capacity.
Preferably, the cooling system includes the first cooling water pump, heat exchanger, cooling tower and the second cooling being sequentially connected
Water pump, first cooling water pump are connected with the one-level nitrification tank, second cooling water pump and the one-level denitrification pond
It is connected with the one-level nitrification tank.Biological denitrification process produces larger heat, and cooling system has cooling effect, it is possible to increase nitre
Change denitrification rate.
Preferably, jet aerator, the jet aerator are provided with the one-level nitrification tank and the two level nitrification tank
Air blower is connected by air inlet pipeline, the jet aerator is controlled by jet pump.Can be real by adjusting jet aerator
Existing aerobic, anoxic and the alternate environmental condition of anaerobic state, nitration denitrification process is realized by different control devices.
Preferably, submersible agitator is provided with the one-level denitrification pond and the two level denitrification pond, played uniformly mixed
Close the effect with stirring.
Preferably, the MBR system is connected by mud return line with the one-level denitrification pond.
Preferably, the one-level denitrification pond connection water inlet pipe, the MBR system connect outlet pipe.
The beneficial effects of the utility model are：
(1) the utility model is provided with one-level denitrification pond, one-level nitrification tank, two level denitrification pond and two level nitrification tank, can
Realize two-stage nitrification and denitrification biological denitrificaion, landfill leachate treatment efficiency high and cost is low.
(2) the utility model is when handling mature landfill leachate, and because ammonia nitrogen concentration is relatively low, organic matter declines, C/N ratios
Numerous imbalances, two level nitrification tank is changed to two level denitrification pond, i.e. jet aerator stops aeration, only carries out exposure water, plays and stir
Uniform purpose is mixed, therefore can preferably adapt to leachate quality change.
(3) cooling system of the present utility model has cooling effect, can take away big calorimetric caused by biological denitrification process
Amount, improve nitrification and denitrification speed.
Brief description of the drawings
Accompanying drawing, which is used for providing, to be further understood and illustrates to of the present utility model.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is embodiment process chart of the present utility model.
In figure mark for：1st, water inlet pipe；2nd, one-level denitrification pond；3rd, one-level nitrification tank；4th, two level denitrification pond；5th, two level
Nitrification tank；6th, submersible agitator；7th, heat exchanger；8th, the first cooling water pump；9th, nitrate reflux pump；10th, jet pump；11st, defoam
Pump；12nd, air blower；13rd, cooling tower；14th, the second cooling water pump；15th, jet aerator.
Embodiment
As shown in figure 1, a kind of garbage leachate biological denitrification apparatus, including the one-level denitrification being sequentially connected by pipeline
Pond 2, one-level nitrification tank 3, two level denitrification pond 4, two level nitrification tank 5 and MBR system, one-level denitrification pond 2 and one-level nitrification tank 3
It is connected with cooling system, two level nitrification tank 5 is connected by nitrate reflux pump 9 with one-level denitrification pond 2, one-level nitrification tank 3
Defoaming pump 11 is connected with, jet aerator 15 is provided with one-level nitrification tank 3 and two level nitrification tank 5.
Cooling system includes the first cooling water pump 8, heat exchanger 7, the cooling water pump 14 of cooling tower 13 and second being sequentially connected,
First cooling water pump 8 is connected with one-level nitrification tank 3, the second cooling water pump 14 and one-level denitrification pond 2 and the phase of one-level nitrification tank 3
Even.
Jet aerator 15 connects air blower 12 by air inlet pipeline, and jet aerator 15 is controlled by jet pump 10.
Submersible agitator 6 is provided with one-level denitrification pond 2 and two level denitrification pond 4.
MBR system is connected by mud return line with one-level denitrification pond 2.One-level denitrification pond 2 connects water inlet pipe 1, MBR
System connects outlet pipe.
As shown in Fig. 2 operation principle of the present utility model is：The processing procedure of percolate is two-stage nitrification and anti-nitre
Change biological denitrificaion.
Percolate initially enters one-level denitrification pond 2, and denitrifying bacteria utilizes having in sewage under anoxic conditions
Nitrate reduction is nitrogen by machine carbon, and organic loading, and the basicity supplemented with follow-up nitration reaction are reduced while denitrogenation,
Partial suspended pollutant is adsorbed and decomposed simultaneously, improves the biodegradability of sewage, subsequent sewage enters one-level by plug-flow
Nitrification tank 3, one-level nitrification tank 3 use jet-flow aeration mode, there is provided dissolved oxygen maintains system 2-4mg/L dissolved oxygen, cultivates
Support bacterium and degraded removal is carried out to the major pollutants COD in percolate.
Subsequent sewage enters two level denitrification pond 4 and two level nitrification tank 5, endless in one-level denitrification and one-level nitrification denitrogenation
Full-time progress advanced nitrogen reaction.Wherein, when handling mature landfill leachate, because ammonia nitrogen concentration is relatively low, organic matter declines,
C/N is than numerous imbalances, therefore two level nitrification tank 5 can use as two level denitrification pond, i.e., jet aerator 15 stops aeration, only
Exposure water is carried out, plays the purpose to stir.Two level nitrification tank 5 is provided with nitrate reflux pump 9, by a part of effluent recycling to one
Level denitrification pond 2, cyclic hardening biochemical process in realization, so that two-stage biological reactor has multistage nitration denitrification energy
Power, efficiently remove COD, BOD, NH4- N and TN etc..
The utility model can realize two-stage nitrification and denitrification biological denitrificaion, can preferably adapt to leachate quality change
Change, treatment effeciency is high, and cost is low.
Preferred application case of the present utility model is the foregoing is only, is not limited to the utility model, although reference
The utility model is described in detail previous embodiment, and for those skilled in the art, it still can be right
Technical scheme described in foregoing embodiments is modified, or carries out equivalent substitution to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., it is new to should be included in this practicality
Within the protection domain of type.
Claims (6)
1. a kind of garbage leachate biological denitrification apparatus, it is characterised in that including the one-level denitrification being sequentially connected by pipeline
Pond, one-level nitrification tank, two level denitrification pond, two level nitrification tank and MBR system, the one-level denitrification pond and one-level nitrification tank are equal
It is connected with cooling system, the two level nitrification tank is connected by nitrate reflux pump with the one-level denitrification pond, the one-level
Nitrification tank is connected with defoaming pump, and jet aerator is provided with the one-level nitrification tank and the two level nitrification tank.
A kind of 2. garbage leachate biological denitrification apparatus according to claim 1, it is characterised in that the cooling system bag
Include the first cooling water pump being sequentially connected, heat exchanger, cooling tower and the second cooling water pump, first cooling water pump and described one
Level nitrification tank is connected, and second cooling water pump is connected with the one-level denitrification pond and the one-level nitrification tank.
A kind of 3. garbage leachate biological denitrification apparatus according to claim 1, it is characterised in that the jet aerator
Air blower is connected by air inlet pipeline, the jet aerator is controlled by jet pump.
A kind of 4. garbage leachate biological denitrification apparatus according to claim 1, it is characterised in that the one-level denitrification
Submersible agitator is provided with pond and the two level denitrification pond.
5. a kind of garbage leachate biological denitrification apparatus according to claim 1, it is characterised in that the MBR system is led to
Mud return line is crossed with the one-level denitrification pond to be connected.
A kind of 6. garbage leachate biological denitrification apparatus according to claim 1, it is characterised in that the one-level denitrification
Pond connects water inlet pipe, and the MBR system connects outlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720730310.8U CN206814486U (en) | 2017-06-22 | 2017-06-22 | A kind of garbage leachate biological denitrification apparatus |
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| CN201720730310.8U CN206814486U (en) | 2017-06-22 | 2017-06-22 | A kind of garbage leachate biological denitrification apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928923A (en) * | 2018-09-10 | 2018-12-04 | 上海世渊环保科技有限公司 | A kind of garbage leachate biological denitrification system and method |
| CN113233590A (en) * | 2021-04-30 | 2021-08-10 | 光大环境科技（中国）有限公司 | Accurate aeration method of landfill leachate aerobic system |
| CN114315035A (en) * | 2021-12-30 | 2022-04-12 | 中铁二局集团有限公司 | High-efficiency MBR biological treatment system and method for landfill leachate |
| CN114560553A (en) * | 2021-12-30 | 2022-05-31 | 扬州博依特环保科技发展有限公司 | Membrane bioreactor using membrane pool backflow as jet aeration power water flow |
| CN115196828A (en) * | 2022-06-27 | 2022-10-18 | 宝武水务科技有限公司 | Stainless steel pickling waste water denitrification processing system |
| CN115259563A (en) * | 2022-08-08 | 2022-11-01 | 广东省适然环境科技研究有限公司 | Improved two-stage AO biochemical treatment system |
-
2017
- 2017-06-22 CN CN201720730310.8U patent/CN206814486U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108928923A (en) * | 2018-09-10 | 2018-12-04 | 上海世渊环保科技有限公司 | A kind of garbage leachate biological denitrification system and method |
| CN113233590A (en) * | 2021-04-30 | 2021-08-10 | 光大环境科技（中国）有限公司 | Accurate aeration method of landfill leachate aerobic system |
| CN114315035A (en) * | 2021-12-30 | 2022-04-12 | 中铁二局集团有限公司 | High-efficiency MBR biological treatment system and method for landfill leachate |
| CN114560553A (en) * | 2021-12-30 | 2022-05-31 | 扬州博依特环保科技发展有限公司 | Membrane bioreactor using membrane pool backflow as jet aeration power water flow |
| CN115196828A (en) * | 2022-06-27 | 2022-10-18 | 宝武水务科技有限公司 | Stainless steel pickling waste water denitrification processing system |
| CN115259563A (en) * | 2022-08-08 | 2022-11-01 | 广东省适然环境科技研究有限公司 | Improved two-stage AO biochemical treatment system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211129 Address after: 210000 3rd floor, e-commerce building, glass fiber Institute, No. 51, Yuhua South Road, Nanjing, Jiangsu Patentee after: NANJING HUANMEI TECHNOLOGY CO.,LTD. Patentee after: SHENZHEN GHY ENVIRONMENT WATER CONSERVANCY Co.,Ltd. Address before: 210000 Nanjing City, Jiangsu Province 3 / F, e-commerce building, glass fiber Institute, No. 51, Yuhua South Road, Nanjing City, Jiangsu Province Patentee before: NANJING HUANMEI TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220217 Address after: 211200 Zhening East Road 368, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee after: Nanjing Hongche Environmental Protection Technology Co.,Ltd. Address before: 210000 3rd floor, e-commerce building, glass fiber Institute, No. 51, Yuhua South Road, Nanjing, Jiangsu Patentee before: NANJING HUANMEI TECHNOLOGY CO.,LTD. Patentee before: SHENZHEN GHY ENVIRONMENT WATER CONSERVANCY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220706 Address after: 211200 Zhening East Road 368, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee after: Nanjing Hongche Environmental Protection Technology Co.,Ltd. Patentee after: Nanjing Huanmei Technology Co., Ltd Address before: 211200 Zhening East Road 368, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: Nanjing Hongche Environmental Protection Technology Co.,Ltd. |