CN202081101U - Landfill gas collecting system - Google Patents
Landfill gas collecting system Download PDFInfo
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- CN202081101U CN202081101U CN 201120168577 CN201120168577U CN202081101U CN 202081101 U CN202081101 U CN 202081101U CN 201120168577 CN201120168577 CN 201120168577 CN 201120168577 U CN201120168577 U CN 201120168577U CN 202081101 U CN202081101 U CN 202081101U
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- landfill
- production wells
- horizontal production
- french drain
- gas collecting
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/18—Open ponds; Greenhouse type or underground installations
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a landfill gas collecting system. The landfill gas collecting system comprises a garbage landfill body, wherein the garbage landfill body is internally provided with M parallel blind ditches longitudinally; N parallel horizontal acquisition well slots are transversely arranged on the blind ditches; the M blind ditches and the N horizontal acquisition well slots mutually cross and are connected; an anti-mud layer is arranged between the garbage landfill body and the upper surfaces of the blind ditches and the horizontal acquisition well slots; the upper surface of the garbage landfill body is provided with an overburden layer; the N horizontal acquisition well slots are internally respectively embedded with N L-shaped gas collecting tubes; the ends of vertical tubes of the N L-shaped gas collecting tubes are connected and communicated with a general gas collecting tube; the garbage landfill body is internally provided with a vertical percolate guide-exhaust well; the percolate guide-exhaust well is at a blind ditch between two adjacent horizontal acquisition well slots; and the percolate guide-exhaust well is internally provided with a drain pipe and a high pressure draining air pipe. The utility model provides the landfill gas collecting system that is fine in effect of percolate guide-exhaust and high in efficiency of air exhaust, with the gas collecting tube not likely to be plugged.
Description
(1), technical field: the utility model relates to a kind of gas gathering system, particularly a kind of landfill gas gathering system.
(2), background technology: at present, in the collection industry of refuse embedded gas, China does not have unified refuse embedded gas collection well construction mode.It is to excavate out the gas collection groove on junk-heap body that level is collected the common way of well, and filling machine is joined rubble therein then, lays the well casing of bleeding with holes; The horizontal landfill gas of this class is collected well and is not only cost an arm and a leg, and the percolate that contains in the rubbish can accumulate in around the well casing, has so both influenced to gather and has bled, cause leavening temperature decline in the rubbish again, influence landfill gas output, therefore, this method is difficult to obtain effective gas production efficient.
(3), utility model content: the technical problems to be solved in the utility model is: at the prior art deficiency, provide the landfill gas gathering system that a kind of percolate guide is effective, effuser is difficult for obstruction, pumping efficiency is high.
The technical solution of the utility model: a kind of landfill gas gathering system, contain msw landfill, M french drain body arranged side by side vertically is set in msw landfill, in msw landfill and be positioned at above the french drain body arranged transversely N horizontal production wells cell body arranged side by side, M french drain body intersects mutually and is connected with N horizontal production wells cell body, be provided with anti-mud layer between the upper surface of french drain body and horizontal production wells cell body and the msw landfill, the upper surface of msw landfill is provided with overburden layer, in N horizontal production wells cell body, be embedded with N L shaped effuser respectively, the lateral part of L shaped effuser is called transverse pipe, the vertical part of L shaped effuser is called vertical duct, transverse pipe laterally is embedded in the horizontal production wells cell body, the end of vertical duct is upwards successively from horizontal production wells cell body, anti-mud layer, msw landfill, pass in the overburden layer, the end of the vertical duct of N L shaped effuser is connected and is communicated with main header, and N and M are the natural number more than or equal to 1.
Be provided with vertical percolate guide well in the msw landfill, the french drain body place of percolate guide well location between adjacent two horizontal production wells cell bodies, the bottom of percolate guide well from the top straight cutting of overburden layer to the french drain body, the bottom of percolate guide well is provided with the diafiltration through hole, to make things convenient for percolate to flow into, be provided with water shoot and High Pressure Drain tracheae in the percolate guide well.
The end closure of transverse pipe has a certain number of gas collection through hole on the transverse pipe.
The external diameter of transverse pipe is 90mm, and the diameter of gas collection through hole is 12mm, and the pitch-row between each gas collection through hole is 100mm～200mm, and the material of L shaped effuser is a high strength HDPE plastics tubing.
Vertical duct is provided with valve and flow measurement orifice plate.Valve and flow measurement orifice plate are used for negative pressure and the flow that pilot-gas is gathered, and valve is a ball valve made of plastic.
The material of french drain body and horizontal production wells cell body is that machine is joined rubble, and the material of anti-mud layer is a non-woven fabrics, and the material of overburden layer is a loess.Non-woven fabrics can prevent in the rubbish the earth landfill machine join the slit of rubble and influence gas collecting, but the loess secluding air prevents that airborne oxygen from entering in the landfill gas.
During practice of construction, can in msw landfill, excavate french drain and level earlier and gather well slot, percolate guide well is set in french drain then, and the small gradient will be done to percolate guide Jing Chu in the bottom of french drain, so that percolate is pooled in the percolate guide well automatically; Then filling up machine in french drain joins rubble, in level collection well slot, fill out half machine and join rubble, gather in the well slot in level again and lay L shaped effuser, in level collection well slot, fill up machine then and join rubble, join rubble upper berth non-woven fabrics at machine again, then rubbish is filled up well slot remainder and compacting, at last in rubbish surface earthing and compacting.
Percolate guide well will be carried out sealing to prevent into oxygen at place, the face of land, and the High Pressure Drain pipe extends to always and oozes
The bottom of filtrate guide well utilizes the percolate in the high-pressure air discharge msw landfill.
The beneficial effects of the utility model: 1. M french drain body of the present utility model intersects mutually and is connected with N horizontal production wells cell body, be embedded with N L shaped effuser in N the horizontal production wells cell body respectively, the end of the vertical duct of N L shaped effuser is connected and is communicated with main header, the french drain body place of percolate guide well location between adjacent two horizontal production wells cell bodies, like this, the intravital landfill gas of garbage loading embeading can be taken away by N L shaped effuser, the intravital percolate of garbage loading embeading can flow in the percolate guide well and be taken away, pumping efficiency height not only, and the percolate guide is effective, and L shaped effuser also is difficult for stopping up.
(4), description of drawings:
Fig. 1 is the structural representation of landfill gas gathering system;
Fig. 2 is the A-A sectional structure synoptic diagram among Fig. 1;
Fig. 3 is the B-B sectional structure synoptic diagram among Fig. 1.
(5), embodiment: referring to Fig. 1～Fig. 3, among the figure, the landfill gas gathering system contains msw landfill 11,2 french drain bodies 3 arranged side by side vertically are set in msw landfill 11, in msw landfill 11 and be positioned at 3 horizontal production wells cell bodies 2 arranged side by side of arranged transversely above the french drain body 3,2 french drain bodies 3 intersect mutually and are connected with 3 horizontal production wells cell bodies 2, be provided with anti-mud layer 4 between the upper surface of french drain body 3 and horizontal production wells cell body 2 and the msw landfill 11, the upper surface of msw landfill 11 is provided with overburden layer 5, in 3 horizontal production wells cell bodies 2, be embedded with 3 L shaped effusers 1 respectively, the lateral part of L shaped effuser 1 is called transverse pipe, the vertical part of L shaped effuser 1 is called vertical duct, transverse pipe laterally is embedded in the horizontal production wells cell body 2, the end of vertical duct is upwards successively from horizontal production wells cell body 2, anti-mud layer 4, msw landfill 11, pass in the overburden layer 5, the end of the vertical duct of 3 L shaped effusers 1 is connected and is communicated with main header 12.
Be provided with vertical percolate guide well 7 in the msw landfill 11, french drain body 3 places of percolate guide well 7 between adjacent two horizontal production wells cell bodies 2, the bottom of percolate guide well 7 from the top straight cutting of overburden layer 5 to french drain body 3, the bottom of percolate guide well 7 is provided with the diafiltration through hole that diameter is 10mm, to make things convenient for percolate to flow into, be provided with water shoot 9 and High Pressure Drain tracheae 8 in the percolate guide well 7.
The end closure of transverse pipe has a certain number of gas collection through hole 13 on the transverse pipe.
The external diameter of transverse pipe is 90mm, and the diameter of gas collection through hole 13 is 12mm, and the pitch-row between each gas collection through hole 13 is 150mm, and the material of L shaped effuser 1 is a high strength HDPE plastics tubing.
Vertical duct is provided with valve 6 and flow measurement orifice plate 10.Valve 6 and flow measurement orifice plate 10 are used for negative pressure and the flow that pilot-gas is gathered, and valve 6 is a ball valve made of plastic.
The material of french drain body 3 and horizontal production wells cell body 2 is that machine is joined rubble, and the material of anti-mud layer 4 is a non-woven fabrics, and the material of overburden layer 5 is a loess.Non-woven fabrics can prevent in the rubbish the earth landfill machine join the slit of rubble and influence gas collecting, but the loess secluding air prevents that airborne oxygen from entering in the landfill gas.
The width of horizontal production wells cell body 2 and french drain body 3 and highly be 1m.
During practice of construction, can in msw landfill 11, excavate french drain and level earlier and gather well slot, percolate guide well 7 is set in french drain then, and the small gradient will be done to percolate guide Jing Chu in the bottom of french drain, so that percolate is pooled in the percolate guide well automatically; Then the machine of inserting 1 meter in french drain is joined rubble, then landfill waste.Gather the machine of filling out 0.5 meter in the well slot in level and join rubble, the rubble of gathering in the well slot in level is to lay L shaped effuser 1 again, gather the machine of inserting 0.5 meter in the well slot in level at last and join rubble, join rubble upper berth non-woven fabrics at machine again, then rubbish is filled up well slot remainder and compacting, at last in rubbish surface earthing and compacting.
Percolate guide well 7 will be carried out sealing to prevent into oxygen at place, the face of land, and High Pressure Drain pipe 8 extends to the bottom of percolate guide well 7 always, utilizes the percolate in the high-pressure air discharge msw landfill.
Claims (6)
1. landfill gas gathering system, contain msw landfill, it is characterized in that: M french drain body arranged side by side vertically is set in msw landfill, in msw landfill and be positioned at above the french drain body arranged transversely N horizontal production wells cell body arranged side by side, M french drain body intersects mutually and is connected with N horizontal production wells cell body, be provided with anti-mud layer between the upper surface of french drain body and horizontal production wells cell body and the msw landfill, the upper surface of msw landfill is provided with overburden layer, in N horizontal production wells cell body, be embedded with N L shaped effuser respectively, the lateral part of L shaped effuser is called transverse pipe, the vertical part of L shaped effuser is called vertical duct, transverse pipe laterally is embedded in the horizontal production wells cell body, the end of vertical duct is upwards successively from horizontal production wells cell body, anti-mud layer, msw landfill, pass in the overburden layer, the end of the vertical duct of N L shaped effuser is connected and is communicated with main header, and N and M are the natural number more than or equal to 1.
2. landfill gas gathering system according to claim 1, it is characterized in that: be provided with vertical percolate guide well in the described msw landfill, the french drain body place of percolate guide well location between adjacent two horizontal production wells cell bodies, the bottom of percolate guide well from the top straight cutting of overburden layer to the french drain body, the bottom of percolate guide well is provided with the diafiltration through hole, is provided with water shoot and High Pressure Drain tracheae in the percolate guide well.
3. landfill gas gathering system according to claim 2 is characterized in that: the end closure of described transverse pipe has a certain number of gas collection through hole on the transverse pipe.
4. landfill gas gathering system according to claim 3, it is characterized in that: the external diameter of described transverse pipe is 90mm, the diameter of gas collection through hole is 12mm, and the pitch-row between each gas collection through hole is 100mm～200mm, and the material of L shaped effuser is a high strength HDPE plastics tubing.
5. landfill gas gathering system according to claim 2 is characterized in that: described vertical duct is provided with valve and flow measurement orifice plate.
6. landfill gas gathering system according to claim 2 is characterized in that: the material of described french drain body and horizontal production wells cell body is that machine is joined rubble, and the material of anti-mud layer is a non-woven fabrics, and the material of overburden layer is a loess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120168577 CN202081101U (en) | 2011-05-25 | 2011-05-25 | Landfill gas collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120168577 CN202081101U (en) | 2011-05-25 | 2011-05-25 | Landfill gas collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081101U true CN202081101U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120168577 Expired - Lifetime CN202081101U (en) | 2011-05-25 | 2011-05-25 | Landfill gas collecting system |
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| Country | Link |
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| CN (1) | CN202081101U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861747A (en) * | 2012-09-20 | 2013-01-09 | 河南百川畅银实业有限公司 | Four-way horizontal landfill gas collecting well |
| CN102896131A (en) * | 2012-09-12 | 2013-01-30 | 河南百川畅银实业有限公司 | Pre-buried elevating landfill gas collecting well |
| CN103361262A (en) * | 2013-07-19 | 2013-10-23 | 长沙威保特环保科技有限公司 | Collection method and collection system for landfill biogas |
| CN103421848A (en) * | 2013-07-12 | 2013-12-04 | 盐城市新洋农业试验站 | Annular kiln type dry type biogas fermentation method |
| CN103506369A (en) * | 2013-09-12 | 2014-01-15 | 上海市政工程设计研究总院（集团）有限公司 | Landfill gas collection and exhaust guide system of landfill |
| CN106077017A (en) * | 2016-07-27 | 2016-11-09 | 辽宁工业大学 | A kind of landfill yard tube-through type gas level collection system |
| CN106140777A (en) * | 2015-03-24 | 2016-11-23 | 深圳市利赛实业发展有限公司 | Landfill gas level collects well and application thereof |
-
2011
- 2011-05-25 CN CN 201120168577 patent/CN202081101U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896131A (en) * | 2012-09-12 | 2013-01-30 | 河南百川畅银实业有限公司 | Pre-buried elevating landfill gas collecting well |
| CN102861747A (en) * | 2012-09-20 | 2013-01-09 | 河南百川畅银实业有限公司 | Four-way horizontal landfill gas collecting well |
| CN102861747B (en) * | 2012-09-20 | 2015-06-17 | 河南百川畅银实业有限公司 | Four-way horizontal landfill gas collecting well |
| CN103421848A (en) * | 2013-07-12 | 2013-12-04 | 盐城市新洋农业试验站 | Annular kiln type dry type biogas fermentation method |
| CN103361262A (en) * | 2013-07-19 | 2013-10-23 | 长沙威保特环保科技有限公司 | Collection method and collection system for landfill biogas |
| CN103506369A (en) * | 2013-09-12 | 2014-01-15 | 上海市政工程设计研究总院（集团）有限公司 | Landfill gas collection and exhaust guide system of landfill |
| CN103506369B (en) * | 2013-09-12 | 2015-07-22 | 上海市政工程设计研究总院（集团）有限公司 | Landfill gas collection and exhaust guide system of landfill |
| CN106140777A (en) * | 2015-03-24 | 2016-11-23 | 深圳市利赛实业发展有限公司 | Landfill gas level collects well and application thereof |
| CN106140777B (en) * | 2015-03-24 | 2018-06-22 | 深圳市利赛实业发展有限公司 | Landfill gas level collects well and its application |
| CN106077017A (en) * | 2016-07-27 | 2016-11-09 | 辽宁工业大学 | A kind of landfill yard tube-through type gas level collection system |
| CN106077017B (en) * | 2016-07-27 | 2018-08-17 | 辽宁工业大学 | A kind of landfill yard tube-through type gas level collection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 450008, No. 1, building 3, building 4, building 26, 22, Holly Road, Zhengzhou hi tech Industrial Development Zone, Henan, China Patentee after: Henan rivers, Chang Hong, environmental protection energy Limited by Share Ltd Address before: Zhengzhou City, Henan Province Dongfeng Road 450008 No. 22 henme international 8 Patentee before: Henan BCCY Industrial Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |