CN205099551U - Landfill leachate biochemical treatment system - Google Patents
Landfill leachate biochemical treatment system Download PDFInfo
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- CN205099551U CN205099551U CN201520844856.7U CN201520844856U CN205099551U CN 205099551 U CN205099551 U CN 205099551U CN 201520844856 U CN201520844856 U CN 201520844856U CN 205099551 U CN205099551 U CN 205099551U
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Abstract
The utility model discloses a landfill leachate biochemical treatment system belongs to sewage treatment device technical field, include processing unit and biochemical processing unit in advance, the original stabilization pond of processing unit in advance, original stabilization pond, first waste water elevator pump, ammonia -nitrogen stripping tower, just sink pond, pH value equalizing basin, second waste water elevator pump, cloth envelop collector, the biochemical treatment unit includes that the double -deck anaerobic reactor of IC, leading denitrification pond, good oxygen nitrify pond, flocculation and precipitation pond, the biological pond of MBR membrane, MBR outlet water pump, precision filter. The utility model discloses can get rid of and to sink the suspended solid to a large amount of aeration oxygen suppliments in aqueous, stock in order to support the microorganism utilizes the organic matter in the microbial degradation sewage, and the degree of depth (membrane) processing system's the requirement of intaking is guaranteed to the dirty organism in water organic matter of can degrading effectively.
Description
Technical field
The utility model relates to technical field of sewage treatment equipment, particularly a kind of percolate biochemical treatment system.
Background technology
Percolate is a kind of complicated component, the waste water that organic concentration is high, if do not processed and directly enter environment, can cause serious environmental pollution.Garbage loading embeading sound, garbage incinerating power plant all can produce a large amount of garbage leachate wastewater, these waste water BOD and COD concentration is high, ammonia-nitrogen content is high, make it to become a large difficult point of wastewater treatment industry.The outstanding problem hardly degraded organic substance of landfill leachate treatment and the degradation problem of high ammonia nitrogen.Domesticly generally adopt such waste water of method process such as Physical, physico-chemical process and biochemistry, but all because organism is difficult to degraded, processing cost is high, denitrification effect is poor and easily causes the reasons such as secondary pollution to be difficult to promote.On the other hand, along with the raising of people's living standard, national environmental standard improves constantly, and adopts Conventional waste water treatment process to be difficult to satisfied current water outlet requirement.
At present, general garbage leachate treatment process flow process is biochemical treatment+advanced treatment (embrane method) technique.The subject matter that this percolate biochemical treatment system exists:
Due to water quality inferiority, cause the membrane element dirt of successive depths process stifled serious, the life cycle of average nanofiltration membrane and reverse-osmosis membrane element is 2 ~ 3 months, and system reduces greatly due to pollution and dirty stifled water production rate, produces water water quality deterioration serious.
Utility model content
The utility model provides a kind of percolate biochemical treatment system, solves the follow-up membrane element that existing percolate biochemical treatment system causes because of poor processing effect and changes problem frequently.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of percolate biochemical treatment system, comprises pretreatment unit and biochemical treatment unit;
Described pretreatment unit comprises the original stabilization pond for splendid attire place waste water, the outlet of described original stabilization pond is provided with the first waste water lifting pump, described first waste water lifting pump is connected with the import of ammonia-nitrogen stripping tower by pipeline, the outlet of described ammonia-nitrogen stripping tower is connected with the import of preliminary sedimentation tank by pipeline, the outlet of described preliminary sedimentation tank is connected by the import of pipeline with pH value equalizing tank, the outlet of described pH value equalizing tank is provided with the second waste water lifting pump, and described second waste water lifting pump is connected with the import of cloth envelop collector by pipeline;
Described biochemical treatment unit comprises the double-deck anaerobic reactor of IC, the outlet of described cloth envelop collector is connected by the import of pipeline with the double-deck anaerobic reactor of described IC, the outlet of the double-deck anaerobic reactor of described IC is connected by the import of pipeline with Prepositive denitrification pond, the outlet in described Prepositive denitrification pond is connected by the import of pipeline with aerobic nitrification pond, the outlet of described oxygen nitrification tank is connected with the import of flocculation sedimentation tank by pipeline, the outlet of described flocculation sedimentation tank is connected by the import of pipeline with MBR film biological tank, the outlet of described MBR film biological tank is provided with MBR and goes out water pump, described MBR is gone out water pump and is connected with the import of accurate filter by pipeline.
Wherein, preferably, described aerobic nitrification pond is also connected with nitrification liquid return line, and described nitrification liquid return line passes in described Prepositive denitrification pond.
Wherein, preferably, described MBR film biological tank is also connected with MBR cleaning system.
Wherein, preferably, described MBR goes out water pump and is also connected with activity sludge reflux pump, and described activity sludge reflux pump outlet is connected with described MBR film biological tank by pipeline.
The beneficial effects of the utility model:
The utility model can be removed and can not sink suspended substance, and a large amount of aeration oxygen supply in water, to support the stock of microorganism, utilize the organism in microbial decomposition sewage, can biological organism in degradation of sewage effectively, ensure the inflow requirement of the degree of depth (film) treatment system.Organic removal, reduce the membrane element pressure of successive depths process, in membrane component and prolong work-ing life to greatest extent, make be increased to 6 ~ 8 months the work-ing life of the membrane element of nanofiltration membrane and reverse osmosis membrane, greatly reduce the operation cost of garbage percolation liquid treating system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model percolate biochemical treatment system johning knot composition.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the present embodiment provides a kind of percolate biochemical treatment system, comprises pretreatment unit and biochemical treatment unit;
Pretreatment unit comprises the original stabilization pond for splendid attire place waste water, the outlet of original stabilization pond is provided with the first waste water lifting pump, first waste water lifting pump is connected with the import of ammonia-nitrogen stripping tower by pipeline, the outlet of ammonia-nitrogen stripping tower is connected with the import of preliminary sedimentation tank by pipeline, the outlet of preliminary sedimentation tank is connected by the import of pipeline with pH value equalizing tank, the outlet of pH value equalizing tank is provided with the second waste water lifting pump, and the second waste water lifting pump is connected with the import of cloth envelop collector by pipeline; Ammonia-nitrogen stripping tower for removing ammonia nitrogen in waste water, preliminary sedimentation tank can remove in waste water can hypostasis and floating matter, cloth envelop collector can high precision filter.
Biochemical treatment unit comprises the double-deck anaerobic reactor of IC, the outlet of cloth envelop collector is connected by the import of pipeline with the double-deck anaerobic reactor of IC, the outlet of the double-deck anaerobic reactor of IC is connected by the import of pipeline with Prepositive denitrification pond, the outlet in Prepositive denitrification pond is connected by the import of pipeline with aerobic nitrification pond, the outlet of oxygen nitrification tank is connected with the import of flocculation sedimentation tank by pipeline, the outlet of flocculation sedimentation tank is connected by the import of pipeline with MBR film biological tank, the outlet of MBR film biological tank is provided with MBR and goes out water pump, MBR is gone out water pump and is connected with the import of accurate filter by pipeline.The double-deck anaerobic reactor of IC can form the anaerobic grain sludge of high biological activity, is connected with internal recycle injection system.Prepositive denitrification pond is by nitrate (NO
3-) in nitrogen (N) by series of intermediate products (NO
2-, NO, N
2o) nitrogen (N is reduced to
2), Prepositive denitrification pond and trace confession are stirred, defoamer is connected.Aerobic nitrification pond maintains content of oxygen dissolved in water at about 4mg/L by measures such as aerations, and aerobic nitrification pond is connected with aerating apparatus, froth breaker pipeline.Flocculation sedimentation tank connect for add alkali lye, PAC the pipeline of PAM.
Wherein, aerobic nitrification pond is also connected with nitrification liquid return line, and nitrification liquid return line passes in Prepositive denitrification pond, and nitrification liquid backflow reuses, and reduces production cost.
Wherein, MBR film biological tank is also connected with MBR cleaning system, can the stable work of keeping system.
Wherein, MBR goes out water pump and is also connected with activity sludge reflux pump, and activity sludge reflux pump outlet is connected with MBR film biological tank by pipeline.Activity sludge reflux pump is used for that the active sludge through MBR film biological tank is squeezed into MBR film biological tank again and is convenient to again filter.
Connection MBR goes out water pump and accurate filter pipeline is also connected with Scale inhibitors, sterilant adds pipe.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a percolate biochemical treatment system, is characterized in that: comprise pretreatment unit and biochemical treatment unit;
Described pretreatment unit comprises the original stabilization pond for splendid attire place waste water, the outlet of described original stabilization pond is provided with the first waste water lifting pump, described first waste water lifting pump is connected with the import of ammonia-nitrogen stripping tower by pipeline, the outlet of described ammonia-nitrogen stripping tower is connected with the import of preliminary sedimentation tank by pipeline, the outlet of described preliminary sedimentation tank is connected by the import of pipeline with pH value equalizing tank, the outlet of described pH value equalizing tank is provided with the second waste water lifting pump, and described second waste water lifting pump is connected with the import of cloth envelop collector by pipeline;
Described biochemical treatment unit comprises the double-deck anaerobic reactor of IC, the outlet of described cloth envelop collector is connected by the import of pipeline with the double-deck anaerobic reactor of described IC, the outlet of the double-deck anaerobic reactor of described IC is connected by the import of pipeline with Prepositive denitrification pond, the outlet in described Prepositive denitrification pond is connected by the import of pipeline with aerobic nitrification pond, the outlet in described aerobic nitrification pond is connected with the import of flocculation sedimentation tank by pipeline, the outlet of described flocculation sedimentation tank is connected by the import of pipeline with MBR film biological tank, the outlet of described MBR film biological tank is provided with MBR and goes out water pump, described MBR is gone out water pump and is connected with the import of accurate filter by pipeline.
2. a kind of percolate biochemical treatment system according to claim 1, it is characterized in that: described aerobic nitrification pond is also connected with nitrification liquid return line, described nitrification liquid return line passes in described Prepositive denitrification pond.
3. a kind of percolate biochemical treatment system according to claim 1, is characterized in that: described MBR film biological tank is also connected with MBR cleaning system.
4. a kind of percolate biochemical treatment system according to claim 1, is characterized in that: described MBR goes out water pump and is also connected with activity sludge reflux pump, described activity sludge reflux pump outlet is connected with described MBR film biological tank by pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844856.7U CN205099551U (en) | 2015-10-28 | 2015-10-28 | Landfill leachate biochemical treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520844856.7U CN205099551U (en) | 2015-10-28 | 2015-10-28 | Landfill leachate biochemical treatment system |
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| CN205099551U true CN205099551U (en) | 2016-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759607A (en) * | 2019-11-29 | 2020-02-07 | 浙江三点水环保工程有限公司 | Process for removing total nitrogen from printing and dyeing wastewater |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759607A (en) * | 2019-11-29 | 2020-02-07 | 浙江三点水环保工程有限公司 | Process for removing total nitrogen from printing and dyeing wastewater |
| CN110759607B (en) * | 2019-11-29 | 2022-07-29 | 浙江三点水环保工程有限公司 | Process for removing total nitrogen from printing and dyeing wastewater |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220706 Address after: 454150 No. 1, future road, Qinnan Industrial Park, Qinyang City, Jiaozuo City, Henan Province Patentee after: Henan Yimo Environmental Protection Technology Co.,Ltd. Address before: 450003 No. 2907 and 2910, building 2, No. 72, Nongye Road, Jinshui District, Zhengzhou City, Henan Province Patentee before: HENAN CLOUD WATER TREATMENT OPERATION SERVICES CO.,LTD. |
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| TR01 | Transfer of patent right |