CN203653393U - Landfill leachate treatment device - Google Patents
Landfill leachate treatment device Download PDFInfo
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- CN203653393U CN203653393U CN201420014855.5U CN201420014855U CN203653393U CN 203653393 U CN203653393 U CN 203653393U CN 201420014855 U CN201420014855 U CN 201420014855U CN 203653393 U CN203653393 U CN 203653393U
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Abstract
The utility model relates to a landfill leachate treatment device, and belongs to the technical field of sewage treatment. The device is sequentially provided with a regulating tank, an anaerobic tank, a primary anoxic/ anaerobic tank, a secondary anoxic/ anaerobic tank, a settling tank, an intermediate water tank, a dish tube type reverse osmosis system and a coagulation concentration tank. The landfill leachate treatment device disclosed by the utility model adopts an anaerobic-anoxic- anaerobic-dish-type reverse osmosis combined process to treat landfill leachates, so that water inlet requirements of a reverse osmosis membrane can be satisfied; moreover, the landfill leachate treatment device disclosed by the utility model has the advantages of effectively decomposing organic substances of the landfill leachates, being high in load intensity, good in purifying effect, convenient to operate, long in membrane service life, and the like.
Description
Technical field:
The utility model relates to a kind of garbage leachate treatment device, belongs to technical field of waste water processing.
Technical background
The percolate of refuse transfer station, burning field or landfill yard is to be generated by various compounds and rotten material, organism, nitrogenous compound, P contained compound, Organohalogen compounds and the sulfide, the inorganic salts etc. that contain very high concentrations, not only breath malodor, and wherein to have be much carcinogens.If discharge earth's surface, contaminate environment, dissolves in undergroundly, and polluted source, is a harm greatly of urban environment and HUMAN HEALTH, and the garbage loading embeading time is more of a specified duration, and the biochemical of its percolate is just poorer, and intractability is just larger.Traditional method for treating garbage percolation liquid generally has biochemical process and physico-chemical process.As the BOD of percolate
5/ COD
crbe greater than at 0.3 o'clock, its biochemical is better, by the pollution substance of biochemical treatment degradable about 70%.Physico-chemical process is to remove the COD in percolate by the method for physics or chemistry
cr, SS, colourity, heavy metal ion etc.With respect to biochemical process, physico-chemical process is subject to the impact of the leachate quality water yield smaller, and capacity of resisting impact load is stronger, and effluent quality is more stable, especially in the situation that wastewater biodegradability is poor, have reasonable treatment effect, but simple use physico-chemical process processing cost is larger.Along with the time lengthening of garbage loading embeading, the BOD of percolate
5/ COD
crratio reduces gradually, biodegradability variation, only be difficult to reach discharging standards with biological process, particularly the appearance of new consumer waste filling and embedding pollution control criterion (GB16889-2008) in 2008, has higher requirement to the processing of percolate.In this case, in industry, approved gradually in conjunction with the integrated treatment technology of biochemical and materializing procedure, and just become the main flow technique of processing various percolates.
Utility model content
The technical solution of the utility model is: a kind of garbage leachate treatment device, this device is provided with equalizing tank, anaerobic pond, one-level anoxic/Aerobic Pond, secondary anoxic/Aerobic Pond, settling tank, intermediate pool, disc tube reverse osmosis (dt-ro) system and coagulation concentration basin successively.
Described anaerobic pond is provided with anaerobic reactor, is sludge blanket anaerobic reactor, is connected with equalizing tank by water pump, have sludge concentration high, process load high, the advantage that outlet effect is good.By anaerobic pond, the larger molecular organics in percolate is degraded, as the pretreatment unit of subsequent biological treatment.
The described interior each return-flow system of establishing separately of one-level anoxic/Aerobic Pond, secondary anoxic/Aerobic Pond, each return-flow system is made up of an anoxic pond and an Aerobic Pond, and is back to anoxic pond by Aerobic Pond.In anoxic pond, establish stirrer under liquid and mix, Aerobic Pond adopts the oxygenation of jetting type scatterer, is beneficial to and removes ammonia nitrogen and organic substance.
Described settling tank bottom is connected with the anoxic pond of one-level anoxic/Aerobic Pond by reflux, and bottom is provided with mud discharging mouth.
The utility model uses disc tube reverse osmosis (dt-ro) system to make advanced treatment for percolate, described disc tube reverse osmosis (dt-ro) system adopts disc tube reverse osmosis (dt-ro) film, be a kind of new membrane separation assembly that is applied to liquid desalination and purification, membrane pore size is 0.0001～0.004 μ m.Membrane surface water entry is very short, makes to produce 180 ° into water and turns to continuously, has reduced to greatest extent the generation of concentration polarization, biological pollution and scale formation.
Described disc tube reverse osmosis (dt-ro) system is provided with 10 μ m～100 μ m Self-cleaning filters, and in the time that filter screen inside and outside differential pressure (Δ P) reaches preset value, strainer cleans automatically.The dense water that described disc tube reverse osmosis (dt-ro) system produces enters coagulation concentration basin, removes dense water by the method for coagulating sedimentation.Described coagulation concentration basin top is provided with wastewater effluent mouth, be connected, and by the defeated supernatant liquor equalizing tank of getting back to, coagulation concentration basin bottom is provided with mud relief outlet with equalizing tank, and the mud of generation is transported to refuse landfill or incineration plant together with settling tank mud.In addition, coagulative precipitation tank top is also provided with medicine system, adds PAC, PAM process dense water by medicine system.
The utility model has the advantage of: the technique that adopts anaerobic-anoxic-oxic-disc tube reverse osmosis (dt-ro) to combine is carried out treating refuse percolate, can meet the water inlet requirement of reverse osmosis membrane, the advantages such as organism, the load intensity with effective decomposition percolate are high, good purification, easy to operate, membrane lifetime is long.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1, equalizing tank, 2, intake pump, 3, anaerobic pond, 4, agitator under one-level anoxic pond liquid, 5, one-level anoxic pond, 6, one-level Aerobic Pond, 7, one-level Aerobic Pond jet diffusion device, 8, secondary anoxic pond, 9, agitator under secondary anoxic pond liquid, 10, secondary Aerobic Pond jet diffusion device, 11, secondary Aerobic Pond, 12, settling tank, 13, intermediate pool, 14, Self-cleaning filter, 15, medicine system, 16, coagulation concentration basin mud discharging mouth, 17, coagulation concentration basin, 18, disc tube reverse osmosis (dt-ro) system, 19, settling tank mud discharging mouth
Embodiment
A garbage leachate treatment device as shown in Figure 1, this device is provided with equalizing tank 1, anaerobic pond 3, one-level anoxic pond 5, one-level Aerobic Pond 6, secondary anoxic pond 8, secondary Aerobic Pond 11, settling tank 12, intermediate pool 13, disc tube reverse osmosis (dt-ro) system 18, coagulation concentration basin 17 successively.
When the work of this device, first percolate is stayed for some time in equalizing tank 1, the flow of regulating and storing, percolate can complete anaerobic hydrolysis to a certain degree at this simultaneously.Enter anaerobic pond 3 from equalizing tank 1 percolate out by intake pump 2, anaerobic pond 3 is provided with anaerobic reactor, for sludge blanket anaerobic reactor, percolate carries out anaerobic reaction in anaerobic pond 3, larger molecular organics is decomposed into small organic molecule, improve the biochemical of percolate, remove most COD simultaneously.Anaerobic pond 3 water outlets flow into one-level anoxic pond 5, one-level Aerobic Pond 6 and secondary anoxic pond 8, secondary Aerobic Pond 11 successively, and removing by biochemical action can biochemical organism and ammonia nitrogen.For preventing sludge loss one-level anoxic pond 5/ Aerobic Pond 6, the interior return-flow system of establishing separately in secondary anoxic pond 8/ Aerobic Pond pond 8, each return-flow system is made up of an anoxic pond and an Aerobic Pond.In anoxic oxygen pond, establish stirrer 4 and 9 under liquid and mix, Aerobic Pond adopts jetting type scatterer 7 and 10 to carry out oxygenation.Waste water after biochemical treatment is sent into settling tank 12 and is carried out solid-liquid separation, and for improving ammonia nitrogen removal effect and reducing sludge loss, settling tank 12 bottoms are connected with one-level anoxic pond 5 by reflux.Settling tank 12 bottoms are provided with settling tank mud discharging mouth 19 for discharging excess sludge, and settling tank 12 water outlets, by intermediate pool 13, are finally sent into disc tube reverse osmosis (dt-ro) system 18.Disc tube reverse osmosis (dt-ro) system 18 removes by physical filtering COD, the NH that major part can not be biochemical
3-N, heavy metal etc.Disc tube reverse osmosis (dt-ro) system 18 is provided with 10 μ m～100 μ m Self-cleaning filters 14, and in the time that filter screen inside and outside differential pressure (Δ P) reaches preset value, strainer cleans automatically, and the normal work of strainer of this process strainer is not interrupted.The dense water that disc tube reverse osmosis (dt-ro) system 18 produces enters coagulation concentration basin 17.Coagulation concentration basin 17 tops are provided with medicine system 15, add PAC, PAM process dense water by medicine system 15.The clear liquid of coagulation concentration basin 17 is by the defeated equalizing tank 1 of getting back to of pipeline.Coagulation concentration basin 17 bottoms are provided with coagulation concentration basin mud relief outlet 16, are transported to refuse landfill together with the mud that the mud of generation is got rid of with settling tank 12 or incineration plant is processed.
The utility model is successively by the anaerobic pond larger molecular organics of degrading, secondary anoxic/Aerobic Pond improves biodegradability, removal organism, ammonia nitrogen and the total nitrogen of waste water, disc tube reverse osmosis (dt-ro) device makes water outlet reach emission standard, the advantages such as organism, the load intensity with effective decomposition percolate are high, good purification, easy to operate, membrane lifetime is long.
Claims (6)
1. a garbage leachate treatment device, is characterized in that this device is provided with equalizing tank, anaerobic pond, one-level anoxic/Aerobic Pond, secondary anoxic/Aerobic Pond, settling tank, intermediate pool, disc tube reverse osmosis (dt-ro) system and coagulation concentration basin successively.
2. a kind of garbage leachate treatment device according to claim 1, is characterized in that: described anaerobic pond is provided with anaerobic reactor, is sludge blanket anaerobic reactor, and anaerobic pond is connected with equalizing tank by water pump.
3. a kind of garbage leachate treatment device according to claim 1, is characterized in that: the described interior each return-flow system of establishing separately of one-level anoxic/Aerobic Pond, secondary anoxic/Aerobic Pond, each return-flow system is made up of an oxygen compatibility pool and an Aerobic Pond.
4. a kind of garbage leachate treatment device according to claim 1, is characterized in that: in I and II anoxic pond, establish stirrer under liquid; I and II Aerobic Pond adopts the oxygenation of jetting type scatterer.
5. a kind of garbage leachate treatment device according to claim 1, is characterized in that: described disc tube reverse osmosis (dt-ro) system is provided with 10 μ m～100 μ m Self-cleaning filters.
6. a kind of garbage leachate treatment device according to claim 1, is characterized in that: described sludge thickener is provided with medicine system, and the supernatant liquor of concentrated coagulation basin is back to equalizing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014855.5U CN203653393U (en) | 2014-01-01 | 2014-01-01 | Landfill leachate treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014855.5U CN203653393U (en) | 2014-01-01 | 2014-01-01 | Landfill leachate treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203653393U true CN203653393U (en) | 2014-06-18 |
Family
ID=50919808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014855.5U Expired - Fee Related CN203653393U (en) | 2014-01-01 | 2014-01-01 | Landfill leachate treatment device |
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| Country | Link |
|---|---|
| CN (1) | CN203653393U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541024A (en) * | 2015-12-30 | 2016-05-04 | 北京欧亚泉环境投资管理有限公司 | Landfill leachatetreatment system |
| CN109879572A (en) * | 2019-04-08 | 2019-06-14 | 重庆港力环保股份有限公司 | Landfill leachate advanced purification process system |
| CN110117136A (en) * | 2019-05-24 | 2019-08-13 | 湖北山鼎环境科技股份有限公司 | Garbage percolation liquid treating system and method |
| CN110482780A (en) * | 2019-07-19 | 2019-11-22 | 南宁师范大学 | It is a kind of based on micro- aerobic domestic waste transfer station Leachate site advanced treatment process |
| CN112159030A (en) * | 2020-09-11 | 2021-01-01 | 郑州绿清环保科技有限公司 | Novel leachate treatment system |
-
2014
- 2014-01-01 CN CN201420014855.5U patent/CN203653393U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541024A (en) * | 2015-12-30 | 2016-05-04 | 北京欧亚泉环境投资管理有限公司 | Landfill leachatetreatment system |
| CN105541024B (en) * | 2015-12-30 | 2018-11-27 | 北京欧亚泉环境投资管理有限公司 | A kind of garbage percolation liquid treating system |
| CN109879572A (en) * | 2019-04-08 | 2019-06-14 | 重庆港力环保股份有限公司 | Landfill leachate advanced purification process system |
| CN110117136A (en) * | 2019-05-24 | 2019-08-13 | 湖北山鼎环境科技股份有限公司 | Garbage percolation liquid treating system and method |
| CN110482780A (en) * | 2019-07-19 | 2019-11-22 | 南宁师范大学 | It is a kind of based on micro- aerobic domestic waste transfer station Leachate site advanced treatment process |
| CN112159030A (en) * | 2020-09-11 | 2021-01-01 | 郑州绿清环保科技有限公司 | Novel leachate treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20170101 |