CN1995568A - Biogas and leachate integrated pumping and drainage system for garbage landfill - Google Patents
Biogas and leachate integrated pumping and drainage system for garbage landfill Download PDFInfo
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- CN1995568A CN1995568A CN 200610166465 CN200610166465A CN1995568A CN 1995568 A CN1995568 A CN 1995568A CN 200610166465 CN200610166465 CN 200610166465 CN 200610166465 A CN200610166465 A CN 200610166465A CN 1995568 A CN1995568 A CN 1995568A
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- biogas
- vertical shaft
- drainage
- refuse landfill
- leachate
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Abstract
The invention relates to an integrated drainage system for landfill biogas and leachate. Before the landfill is used, the shaft well is finished. Multi-level and multi-branch collection and drainage passages connected with the shaft well are put from bottom to top in turn as rubbish landfill operation carries. Gravels with air and water guide are filled in collection and drainage passages and the angle alpha between multi-branch collection and drainage passage and the level of shaft well enlarges gradually from bottom to top. There is no sealing cover for shaft well and drainage device, which can drain biogas and leachate, is set in it. By multi-level multi-branch collection and drainage passage, which are put with layered radial pattern and with certain angle of the level, air and water permeability in rubbish is improved so that gas-liquid integrated collection and conduction are carried. As multi-level multi-branch collection and drainage passages with diverging pattern gather to the center of shaft well, accumulation of biogas and leachate is realized so as to be convenience for drainage. The whole system is provided with simple structure, high collection efficiency for biogas and leachate, convenience construction, low project cost, convenience later maintenance and management.
Description
Technical field
The present invention relates to a kind of garbage loading embeading system, especially garbage loading embeading multiple-limb biogas and leachate integrated evacuation system.
Background technology
At present, biogas and percolate adopt the mode of independent pump drainage in the refuse landfill: biogas is carried out pump drainage by discharge guiding pipe of burying underground in advance or the mode of beating upright opening after closing, enters the liquid collecting well after percolate is then collected by the french drain of landfill yard bottom and pump drainage is gone out.The mode of this independent pump drainage need be carried out engineering construction respectively, and along with the degraded of rubbish, the particle in the percolate stops up the migration pathway of gas, liquid, and the permeance property variation of rubbish body causes the pump drainage effect of biogas and percolate to become not ideal enough.
Summary of the invention
The objective of the invention is to overcome in the prior art and have problems, a kind of refuse landfill biogas and leachate integrated evacuation system are provided, it not only is convenient to construction, the pump drainage efficient height of its biogas and percolate, and can quicken the stabilizing process of landfill yard.
For achieving the above object, technical scheme of the present invention is: build by laying bricks or stones before refuse landfill is come into operation and finish vertical shaft, bury the collection white-out passage that communicate with vertical shaft multilevel, multiple-limb are laid in operation from the bottom to top successively with filling out rubbish, collect the gravel that is filled with water guide, air guide in the white-out passage, the horizontal plane angle α that multiple-limb is collected white-out passage and vertical shaft increases from the bottom to top gradually; The vertical shaft well head is provided with seal cover, and is provided with the exhaust device that biogas and percolate pump drainage can be fallen.
Described vertical shaft is constructed by Reinforced Concrete Materials and is formed, and hoistway wall leaves with multilevel, multiple-limb and collects white-out channel connection mouth; The height l that described vertical shaft well head exceeds the refuse landfill closing is 300-500mm; Height h between shaft bottom and the drainage blanket bottom is 3000-5000mm; Described collection white-out passage is made of the pupa shape basket that a plurality of end to end, biodegradable fibrous material braidings form; The angle α that the horizontal plane of described multiple-limb collection white-out passage and vertical shaft increases from the bottom to top gradually is 5-15 °; Described exhaust device comprises aspiration pump, and the stack in the coupled insertion vertical shaft is located at the submersible sewage pump of silo bottom and connects the gutter formation of stretching out outside the well with it; Described seal cover is provided with aspirating hole that inserts gland steam exhauster and the drain hole that inserts gutter, also is provided with the jack of water-level instrumentation and the jack of pressure monitor.
The present invention has improved the permeability of rubbish body inside owing to adopted multilevel, the multiple-limb collection white-out passage that has certain angle with horizontal plane, more helps migration and the transporting of gas-liquid in the rubbish body.Because multilevel, multiple-limb is collected the white-out passage and can be carried out incorporate collection of gas-liquid and transporting, therefore collect white-out passage converging by multilevel, the multiple-limb of divergent shape to the center vertical shaft, realize gathering of biogas and percolate, and by pump drainage pump pump drainage.Whole system is simple in structure, easy construction, and engineering cost is low, later maintenance convenient management, and convenient internal regulation processing to biogas monitoring utilization and percolate.
Description of drawings
Fig. 1 is an evacuation system plan structure schematic diagram of the present invention.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Among the figure: 1-vertical shaft, 2-white-out passage, 3-gravel, 4-drainage blanket, 5-aspiration pump, 6-submersible sewage pump, 7-exhaust tube, 8-gutter, 9-seal cover, 10-aspirating hole, 11-drain hole, 12-rubbish, 13-water level monitoring hole, 14-pressure monitoring hole.
The specific embodiment
The present invention is further illustrated below in conjunction with the embodiment in the accompanying drawing:
Evacuation system of the present invention is the combination of liquid collecting well and gas recovery well, and is shown in Figure 2, includes vertical shaft 1, multiple-limb collection white-out passage 2, aspiration pump 5, submersible sewage pump 6, exhaust tube 7, gutter 8, seal cover 9.Vertical shaft 1 is constructed before landfill yard comes into operation and is finished, and the height l that well head exceeds the refuse landfill closing is 300-500mm; Height h between shaft bottom and drainage blanket 4 bottoms is 3000-5000mm.The borehole wall is constructed to form by Reinforced Concrete Materials has stronger ability of anti-deformation, and the borehole wall is reserved multilevel hole, collects white-out passage 2 with multiple-limb during in order to rubbish 12 landfills and is connected.Submersible sewage pump 6 is located at borehole wall bottom and links to each other with the gutter 8 that stretches out well head.Multiple-limb is collected white-out passage 2 and is made of a plurality of end to end pupa shape baskets, pupa shape basket is made by good, the biodegradable wood fiber material of water-permeable and air permeable, pupa shape basket inner filling gravel 3 is as air guide, water guide medium, the integrated collection of carrying out biogas and percolate with dredge.Shown in Figure 1, multiple-limb is collected white-out passage 2 and is put for multilevel divergent shape spread, has increased the contact area with the rubbish body, has improved the permeability of rubbish body inside, helps the migration in the rubbish body of biogas and percolate.Multiple-limb is collected white-out passage 2 and is laid in the rubbish surface from the bottom to top successively with the landfill yard operation, helps collecting percolate, and percolate is flowed in the vertical shaft 1 under the effect of gravity.Multiple-limb is collected when white-out passage 2 lays and should be formed an angle with horizontal plane, consider that rubbish body settling amount becomes big influence gradually, the angle α that multiple-limb is collected white-out passage 2 and horizontal plane also increases from the bottom to top gradually, the α corner dimension is determined by the sedimentation parameter of rubbish 12, is generally 5～15 degree.With the biogas extracting of the collecting biogas power plant to ground, the air inlet of exhaust tube 7 concentrates on the middle and lower part of vertical shaft to aspiration pump 5 by exhaust tube 7.Vertical shaft 1 bottom submersible sewage pump 6 rises to the percolate of collecting by gutter 8 Sewage Disposal on ground.Vertical shaft 1 well head is provided with seal cover 9, and the general state lower sealing cover is closed, and the exchange of blocking-up outside air and internal gas keeps anaerobic environment; When needs keep in repair or clear up vertical shaft 1, seal cover 9 can be opened.But seal cover 9 is provided with the aspirating hole 10 and drain hole 11 of freely openable, when pump drainage biogas or percolate, the pump drainage hole of seal cover 9 correspondences is opened, and connects aspiration pump 5 and exhaust tube 7, submersible sewage pump 6 and stack 8.In order to ensure the safe operation of landfill yard, also be provided with the supply water hole 13 of position monitor insertion and the hole 14 of voltage supply power monitor insertion on the seal cover.
Implementation process: at first set up the vertical shaft 1 of reinforced concrete structure at the refuse landfill center, the quantity of vertical shaft 1 is according to the shape and the scale setting of landfill yard, and single vertical shaft 1 is toppled over side laying near rubbish 12, and the diagonal angle was laid when twin shafts 1 was set, and is shown in Figure 2; When being set, evenly lays multi-shaft 1 near periphery.Vertical shaft 1 well head exceeds the height 300-500mm that estimate to close, and borehole wall bottom is connected with collection gutter in the french drain, reserves and multilevel hole multilevel, that multiple-limb collection white-out passage 2 is connected, and exhaust tube 7 and gutter 8 are set in vertical shaft 1.In the refuse landfill use, along with the increase of rubbish height degree, the radial successively multiple-limb that forms an angle with horizontal plane of laying is collected white-out passage 2, and around vertical shaft 1 filling gravel.After landfill yard closed, with the sealing of vertical shaft 1 well head, exhaust tube 7 linked to each other with aspiration pump 5, and gutter 7 links to each other 6 with submersible sewage pump, by aspiration pump 5 and submersible sewage pump 6 refuse landfill biogas, the percolate of collecting is evacuated to ground.
Claims (7)
1, refuse landfill biogas and leachate integrated evacuation system, it is characterized in that: before refuse landfill is come into operation, build by laying bricks or stones and finish vertical shaft (1), bury the collection white-out passage (2) that communicate with vertical shaft (1) multilevel, multiple-limb are laid in operation from the bottom to top successively with filling out rubbish, collect the gravel (3) that is filled with water guide, air guide in the white-out passage (2), the horizontal plane angle α that multiple-limb is collected white-out passage (2) and vertical shaft (1) increases from the bottom to top gradually; Vertical shaft (1) well head is provided with seal cover (9), and is provided with the exhaust device that biogas and percolate pump drainage can be fallen.
2, refuse landfill biogas according to claim 1 and leachate integrated evacuation system, it is characterized in that: described vertical shaft (1) is constructed by Reinforced Concrete Materials and is formed, and hoistway wall leaves with multilevel, multiple-limb and collects white-out passage (2) connected entrance.
3, refuse landfill biogas according to claim 1 and 2 and leachate integrated evacuation system is characterized in that: the height l that described vertical shaft (1) well head exceeds the refuse landfill closing is 300-500mm; Height h between shaft bottom and drainage blanket (4) bottom is 3000-5000mm.
4, refuse landfill biogas according to claim 1 and leachate integrated evacuation system is characterized in that: described collection white-out passage (2) is made of the pupa shape basket that a plurality of end to end, biodegradable fibrous material braidings form.
5, according to claim 1,2 or 4 described refuse landfill biogas and leachate integrated evacuation systems, it is characterized in that: the angle α that the horizontal plane of described multiple-limb collection white-out passage (2) and vertical shaft (1) increases from the bottom to top gradually is 5-15 °.
6, refuse landfill biogas according to claim 1 and leachate integrated evacuation system, it is characterized in that: described exhaust device comprises aspiration pump (5), stack (7) in the coupled insertion vertical shaft (1) is located at the submersible sewage pump (6) of vertical shaft (1) bottom and connects gutter (8) formation of stretching out outside the well with it.
7, according to claim 1 or 6 described refuse landfill biogas and leachate integrated evacuation systems, it is characterized in that: described seal cover (9) is provided with aspirating hole (10) that inserts stack (7) and the drain hole (11) that inserts gutter (8), also is provided with the jack (13) of water-level instrumentation and the jack (14) of pressure monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610166465XA CN100526571C (en) | 2006-12-20 | 2006-12-20 | Biogas and leachate integrated pumping and drainage system for garbage landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610166465XA CN100526571C (en) | 2006-12-20 | 2006-12-20 | Biogas and leachate integrated pumping and drainage system for garbage landfill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1995568A true CN1995568A (en) | 2007-07-11 |
| CN100526571C CN100526571C (en) | 2009-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200610166465XA Expired - Fee Related CN100526571C (en) | 2006-12-20 | 2006-12-20 | Biogas and leachate integrated pumping and drainage system for garbage landfill |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397812B (en) * | 2007-09-29 | 2010-06-02 | 沈阳铝镁设计研究院 | Overflow type backwater well of wet red mud storage yard and lifting method thereof |
| CN101418580B (en) * | 2008-11-19 | 2010-06-09 | 中国铝业股份有限公司 | Red mud pilling method |
| CN101875529A (en) * | 2010-06-23 | 2010-11-03 | 华侨大学 | Sludge dewatering and landfill integrated device for sewage treatment plant |
| CN102174819A (en) * | 2011-01-17 | 2011-09-07 | 深圳市信能环保科技有限公司 | Gas-liquid discharge well automatic control system and discharge method |
| CN102966165A (en) * | 2012-11-12 | 2013-03-13 | 三峡大学 | System for eliminating and reducing urban inland inundation by utilizing adsorption layer of green area and inland inundation eliminating and reducing method |
| CN101767102B (en) * | 2008-12-31 | 2013-04-03 | 首都圈埋立地管理公社 | Air discharging device for garbage landfill yard |
| CN103934250A (en) * | 2014-03-25 | 2014-07-23 | 同济大学 | Device and method for extracting landfill gas and leachate in domestic waste heap simultaneously |
| CN105821909A (en) * | 2016-05-22 | 2016-08-03 | 南京万德斯环保科技股份有限公司 | Tree-like refuse leachate generated in landfill construction and closure as well as landfill gas guide and exhaust system and method |
| CN108385734A (en) * | 2018-03-26 | 2018-08-10 | 贵州甲克虫环境科技有限责任公司 | A kind of processing method of valley type landfill percolate |
| CN108751314A (en) * | 2018-07-23 | 2018-11-06 | 河北农业大学 | It is a kind of to collect the air-lift device promoted for garbage leachate |
| CN109290332A (en) * | 2018-09-29 | 2019-02-01 | 湖南新九方科技有限公司 | A kind of pollution-free landfill disposal method in rural garbage |
| CN111636551A (en) * | 2020-05-27 | 2020-09-08 | 南昌航空大学 | A kind of liquid pumping well used for percolate pumping test in the landfill |
| CN114393002A (en) * | 2021-12-30 | 2022-04-26 | 南京万德斯环保科技股份有限公司 | Gas-liquid combined system for rapidly reducing garbage in garbage landfill |
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| WO2019079421A1 (en) | 2017-10-18 | 2019-04-25 | Tetra Tech, Inc. | Vertical manhole apparatus and method for providing access to leachate collection pipes in a landfill |
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| DE3131100A1 (en) * | 1981-08-06 | 1983-02-24 | J.F. Nold & Co, 6081 Stockstadt | Process and appliance for extracting decomposition gases from waste tips |
| GB9106191D0 (en) * | 1991-03-22 | 1991-05-08 | Westpile Int Uk Ltd | Improvements in venting of landfill and control of leachate |
| US5857807A (en) * | 1996-06-14 | 1999-01-12 | R. J. Longo Construction Co., Inc. | Municipal solid waste landfill system |
| US7168888B2 (en) * | 2005-04-05 | 2007-01-30 | Casella Waste Systems, Inc. | Aerobic and anaerobic waste management systems and methods for landfills |
| JP4649657B2 (en) * | 2005-06-02 | 2011-03-16 | 学校法人福岡大学 | Waste landfill disposal method and waste landfill structure |
| CN100354531C (en) * | 2005-11-11 | 2007-12-12 | 南京大学 | Method for draining of vertical shaft with garbage filling gas and system thereof |
| CN100395041C (en) * | 2006-02-16 | 2008-06-18 | 中国农业大学 | Domestic refuse treatment method |
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- 2006-12-20 CN CNB200610166465XA patent/CN100526571C/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397812B (en) * | 2007-09-29 | 2010-06-02 | 沈阳铝镁设计研究院 | Overflow type backwater well of wet red mud storage yard and lifting method thereof |
| CN101418580B (en) * | 2008-11-19 | 2010-06-09 | 中国铝业股份有限公司 | Red mud pilling method |
| CN101767102B (en) * | 2008-12-31 | 2013-04-03 | 首都圈埋立地管理公社 | Air discharging device for garbage landfill yard |
| CN101875529A (en) * | 2010-06-23 | 2010-11-03 | 华侨大学 | Sludge dewatering and landfill integrated device for sewage treatment plant |
| CN101875529B (en) * | 2010-06-23 | 2012-06-27 | 华侨大学 | Sludge dewatering and landfill integrated device for sewage treatment plant |
| CN102174819A (en) * | 2011-01-17 | 2011-09-07 | 深圳市信能环保科技有限公司 | Gas-liquid discharge well automatic control system and discharge method |
| CN102174819B (en) * | 2011-01-17 | 2013-11-06 | 深圳市信能环保科技有限公司 | Gas-liquid discharge well automatic control system and discharge method |
| CN102966165A (en) * | 2012-11-12 | 2013-03-13 | 三峡大学 | System for eliminating and reducing urban inland inundation by utilizing adsorption layer of green area and inland inundation eliminating and reducing method |
| CN103934250A (en) * | 2014-03-25 | 2014-07-23 | 同济大学 | Device and method for extracting landfill gas and leachate in domestic waste heap simultaneously |
| CN103934250B (en) * | 2014-03-25 | 2016-08-17 | 同济大学 | Landfill gas and the device and method of percolate in extraction house refuse heap body simultaneously |
| CN105821909A (en) * | 2016-05-22 | 2016-08-03 | 南京万德斯环保科技股份有限公司 | Tree-like refuse leachate generated in landfill construction and closure as well as landfill gas guide and exhaust system and method |
| CN108385734A (en) * | 2018-03-26 | 2018-08-10 | 贵州甲克虫环境科技有限责任公司 | A kind of processing method of valley type landfill percolate |
| CN108751314A (en) * | 2018-07-23 | 2018-11-06 | 河北农业大学 | It is a kind of to collect the air-lift device promoted for garbage leachate |
| CN109290332A (en) * | 2018-09-29 | 2019-02-01 | 湖南新九方科技有限公司 | A kind of pollution-free landfill disposal method in rural garbage |
| CN111636551A (en) * | 2020-05-27 | 2020-09-08 | 南昌航空大学 | A kind of liquid pumping well used for percolate pumping test in the landfill |
| CN114393002A (en) * | 2021-12-30 | 2022-04-26 | 南京万德斯环保科技股份有限公司 | Gas-liquid combined system for rapidly reducing garbage in garbage landfill |
| CN114393002B (en) * | 2021-12-30 | 2022-11-22 | 南京万德斯环保科技股份有限公司 | Gas-liquid combined system for rapidly reducing garbage in garbage landfill |
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