CN204174044U - Landfill leachate treatment and recycling system - Google Patents
Landfill leachate treatment and recycling system Download PDFInfo
- Publication number
- CN204174044U CN204174044U CN201420442437.6U CN201420442437U CN204174044U CN 204174044 U CN204174044 U CN 204174044U CN 201420442437 U CN201420442437 U CN 201420442437U CN 204174044 U CN204174044 U CN 204174044U
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- Prior art keywords
- reverse osmosis
- landfill leachate
- recycling system
- membrane bioreactor
- leachate treatment
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 17
- 230000003311 flocculating effect Effects 0.000 claims abstract description 14
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 238000007872 degassing Methods 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000031018 biological processes and functions Effects 0.000 description 5
- 238000001311 chemical methods and process Methods 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- 238000002306 biochemical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- -1 ion-exchange Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The open landfill leachate treatment of the utility model and recycling system, comprise connect successively equalizing tank, MBR membrane bioreactor, flocculating settling pond, sand-bed filter, two-stage DTRO reverse osmosis treatment system and degassing tower, also comprise the sludge treating system of the sludge outlet for being connected to MBR membrane bioreactor and flocculating settling pond and the inverted well for being connected to two-stage DTRO reverse osmosis treatment system in addition, the strong solution water outlet of reverse osmosis treatment system is connected with inverted well.This system has obvious advantage in environmental protection, technology, engineering construction, operational management etc., be mainly manifested in stable effluent quality, processing efficiency is high, technical process is few, management link is few, working cost is relatively low, especially to the strong adaptability of water quality, water yield change.
Description
Technical field
The utility model relates to sewage treatment area, particularly landfill leachate treatment and recycling system.
Background technology
The treatment process of percolate comprises physico-chemical processes and biological process.Physico-chemical processes mainly contains the methods such as charcoal absorption, chemical settling, density separation, chemical oxidation, chemical reduction, ion-exchange, film dialysis, air lift and wet oxidation process, nanofiltration and reverse osmosis.When COD is higher, physico-chemical processes can realize higher clearance, and compared with biological process, its stability etc. are also higher, even if BOD
5/ COD ratio is lower, and biodegradability also can realize good treatment effect by poor percolate.But because physico-chemical process processing cost is too high, be not suitable for the process doing percolate, therefore percolate generally all adopts Biochemical method at present.Biological process be divided into Aerobic biological process, anaerobic biological treatment and the two combine treatment process.Aerobe method comprises: activated sludge process, blodisc, MBR membrane bioreactor etc.Anaerobic biotreatment method comprises: upward flow Sludge Bed, anaerobic immobilized reactor, mixing tank etc.
Along with the development of science and technology, the treatment technology of percolate comparatively before single physico-chemical process, biological process, progressively to the treatment technology development that multiple technologies combine.Wherein mainly still adopt Biochemical method, complete the process of percolate in conjunction with certain pre-treatment and subsequent disposal.Such processing cost is low, treatment effect good, but such treatment process is comparatively large by the impact of change of water quality, water yield fluctuation, and there is secondary pollution.
Utility model content
Technical problems to be solved in this application
For at present adopting Biochemical method and complete the process of percolate in conjunction with certain pre-treatment and subsequent disposal larger by the impact of change of water quality, water yield fluctuation, and there is the problem of secondary pollution, the applicant conducts in-depth research, and final proposition landfill leachate treatment and recycling system.
The technique means of technical solution problem
The utility model provides a kind of landfill leachate treatment and recycling system, it comprise connect successively equalizing tank, MBR membrane bioreactor, flocculating settling pond, sand-bed filter, two-stage DTRO reverse osmosis treatment system and degassing tower, also comprise the sludge treating system of the sludge outlet for connecting described MBR membrane bioreactor and described flocculating settling pond respectively and the inverted well for being connected to described two-stage DTRO reverse osmosis treatment system in addition, the strong solution water outlet of described reverse osmosis treatment system is connected with described inverted well.
In preferred embodiments, adjust ph in the equalizing tank of landfill leachate treatment and recycling system, is preferably adjusted to 6-9.
In another preferred embodiment, MBR membrane bioreactor is for removing organism in percolate and solid particulate.
In another preferred embodiment, the water outlet of MBR membrane bioreactor enters flocculating settling pond, and is provided with swash plate in flocculating settling pond.
In another preferred embodiment of the present, sand-bed filter is provided with back-purge system.
In a further preferred embodiment, reverse osmosis system adopts two-stage series, and the DTRO film adopting process high-concentration sewage special.
In a preferred embodiment again, comprise tank further, and reverse osmosis water outlet enters degassing tower, sterilized by ozone sterilization in tank afterwards.
The technique effect of the application
By adopting the sewage treatment process of " MBR membrane biological reaction+sand filtration+two-stage DTRO+ is degassed ", make that stable effluent quality, processing efficiency are high, technical process is few, management link is few, working cost is relatively low, especially to the strong adaptability of water quality, water yield change.Therefore, compared with prior art, in environmental protection, technology, engineering construction, operational management etc., there is obvious advantage.
Accompanying drawing explanation
Fig. 1 is the structural framing figure of the utility model landfill leachate treatment and recycling system preferred embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
Fig. 1 is the structural framing figure of the utility model landfill leachate treatment and recycling system preferred embodiment.As shown in Figure 1, comprise connect successively equalizing tank, MBR membrane bioreactor, flocculating settling pond, sand-bed filter, two-stage DTRO reverse osmosis treatment system and degassing tower, also comprise the sludge treating system of the sludge outlet for connecting described MBR membrane bioreactor and described flocculating settling pond respectively and the inverted well for being connected to described two-stage DTRO reverse osmosis treatment system in addition, the strong solution water outlet of described reverse osmosis treatment system is connected with described inverted well.Comprise the refuse landfill be connected with sludge treating system in addition.
Principle of work of the present utility model is: for percolate water quality, the water yield change fluctuation greatly, thus before entering MBR membrane bioreactor and starting process, first by leachate collection to equalizing tank, and adding acid for adjusting pH makes it between 6-9, make the water quality of percolate, the water yield stable by the adjustment of equalizing tank, can be stable enter membrane bioreactor, ensure membrane bioreactor steady load.Remove after organism wherein and larger solid particulate through MBR Membrane Bioreactor for Wastewater Treatment, percolate enters flocculating settling pond, by adding flocculation agent, making suspended substance and colloid etc. in percolate form flco, removing through inclined plate sedimentation.The impurity that membrane bioreactor and flocculating settling pond produce and mud enter sludge treating system, and the mud cake after sludge treating system process transports refuse landfill to and carries out landfill disposal.Supernatant liquor then carries out purification filtering by sand-bed filter, the organism that removal can not be biochemical, and its filtering accuracy is 50 μm, and sand-bed filter turnover water end (W.E.) has tensimeter, automatically can carry out back flushing when pressure reduction reaches certain numerical value.Sand-bed filter water outlet then enters DTRO through high pressure plunger pump, and the water outlet of DT film post group is divided into two portions-concentrated solution and permeate, and concentrated solution end has a pressure regulator valve, for the pressure in controlling diaphragm group, regulates Net water recoveries.Permeate enters secondary membrane post and processes further.Concentrated solution enters concentrated solution storage pond, carries out recharging process.Permeate after the process of one-level DT membranous system directly sends into secondary DT membranous system high-pressure pump, second stage high-pressure pump is provided with variable frequency control, secondary high-pressure pump running frequency and output flow will according to one-level permeate flow sensor value of feedback Auto-matchings, secondary high pressure pump inlet pipeline is provided with concentrated solution auto-compensation simultaneously, makes the operation of level two not by the impact of level system water production rate.Second stage film post concentrated solution is discharged to the feed-water end of first step system, and to improve the rate of recovery of system, permeate enters degassing tower, through stripping except the middle carbon dioxide that anhydrates, make pH reach 6-9, then arrive tank, germicidal treatment is carried out, last reuse up to standard with ozonizer.
For a person skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can embody the utility model in other specific forms.Therefore from which point, all regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by described claim instead of above-mentioned explanation.
Claims (7)
1. a landfill leachate treatment and recycling system, it is characterized in that: comprise connect successively equalizing tank, MBR membrane bioreactor, flocculating settling pond, sand-bed filter, two-stage DTRO reverse osmosis treatment system and degassing tower, also comprise the sludge treating system of the sludge outlet for connecting described MBR membrane bioreactor and described flocculating settling pond respectively and the inverted well for being connected to described two-stage DTRO reverse osmosis treatment system in addition, the strong solution water outlet of described reverse osmosis treatment system is connected with described inverted well.
2. landfill leachate treatment according to claim 1 and recycling system, is characterized in that: in described equalizing tank by pH regulator to 6-9.
3. landfill leachate treatment according to claim 1 and 2 and recycling system, is characterized in that: described MBR membrane bioreactor is for removing organism in percolate and solid particulate.
4. landfill leachate treatment according to claim 1 and 2 and recycling system, is characterized in that: the water outlet of described MBR membrane bioreactor enters described flocculating settling pond, in described flocculating settling pond, be provided with swash plate.
5. landfill leachate treatment according to claim 1 and 2 and recycling system, is characterized in that: described sand-bed filter is provided with back-purge system.
6. landfill leachate treatment according to claim 1 and 2 and recycling system, is characterized in that: described reverse osmosis system adopts two-stage series, and the DTRO film adopting process high-concentration sewage special.
7. landfill leachate treatment according to claim 1 and 2 and recycling system, is characterized in that: comprise tank further, and reverse osmosis water outlet enters described degassing tower, is sterilized afterwards in described tank by ozone sterilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442437.6U CN204174044U (en) | 2014-08-07 | 2014-08-07 | Landfill leachate treatment and recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442437.6U CN204174044U (en) | 2014-08-07 | 2014-08-07 | Landfill leachate treatment and recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204174044U true CN204174044U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420442437.6U Active CN204174044U (en) | 2014-08-07 | 2014-08-07 | Landfill leachate treatment and recycling system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986921A (en) * | 2015-07-07 | 2015-10-21 | 武汉天源环保股份有限公司 | Combined technological method for landfill leachate treatment |
| CN105858936A (en) * | 2016-06-13 | 2016-08-17 | 长沙威保特环保科技股份有限公司 | Dish pipe type reverse osmosis sewage treating method and system |
| CN108975640A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of high-efficient treatment method of rubbish leachate |
| CN108975641A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of processing method of rubbish leachate |
| CN109607942A (en) * | 2018-12-14 | 2019-04-12 | 杭州市环境集团有限公司 | The processing system and technique of a kind of flying dust and consumer waste infiltration liquid combined sewage |
| CN111908718A (en) * | 2020-08-11 | 2020-11-10 | 浙江天行健水务有限公司 | Advanced treatment method of garbage penetrating fluid |
-
2014
- 2014-08-07 CN CN201420442437.6U patent/CN204174044U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986921A (en) * | 2015-07-07 | 2015-10-21 | 武汉天源环保股份有限公司 | Combined technological method for landfill leachate treatment |
| CN105858936A (en) * | 2016-06-13 | 2016-08-17 | 长沙威保特环保科技股份有限公司 | Dish pipe type reverse osmosis sewage treating method and system |
| CN105858936B (en) * | 2016-06-13 | 2019-04-05 | 湖南北控威保特环境科技股份有限公司 | A kind of disc tube reverse osmosis (dt-ro) sewage water treatment method and system |
| CN108975640A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of high-efficient treatment method of rubbish leachate |
| CN108975641A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of processing method of rubbish leachate |
| CN109607942A (en) * | 2018-12-14 | 2019-04-12 | 杭州市环境集团有限公司 | The processing system and technique of a kind of flying dust and consumer waste infiltration liquid combined sewage |
| CN111908718A (en) * | 2020-08-11 | 2020-11-10 | 浙江天行健水务有限公司 | Advanced treatment method of garbage penetrating fluid |
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Owner name: TANGSHAN SEAPS SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TANGSHAN CAOFEIDIAN SEAPS SCIENCE TECHNOLOGY CO., LTD. |
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Address after: 063000 Hebei Tangshan City Caofeidian Industrial Zone 3 plus Sihai apartment China Post Patentee after: TANGSHAN SEAPS SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 063000 Hebei Tangshan City Caofeidian Industrial Zone 3 plus Sihai apartment China Post Patentee before: TANGSHAN CAOFEIDIAN SEAPS SCIENCE AND TECHNOLOGY Co.,Ltd. |
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