CN102896132B - A kind of method determining household refuse landfill sites biogas air guide well sphere of action - Google Patents
A kind of method determining household refuse landfill sites biogas air guide well sphere of action Download PDFInfo
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- CN102896132B CN102896132B CN201210444149.XA CN201210444149A CN102896132B CN 102896132 B CN102896132 B CN 102896132B CN 201210444149 A CN201210444149 A CN 201210444149A CN 102896132 B CN102896132 B CN 102896132B
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- 230000009471 action Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000000605 extraction Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a kind of method determining household refuse landfill sites biogas air guide well sphere of action, comprise the following steps: beat many mouthfuls of air guide wells at household refuse landfill sites along same straight line; Choose two mouthfuls of air guide wells respectively as extraction well and detection well, if the pressure detecting well is malleation, then the sphere of action of air guide well is less than the distance of these two mouthfuls of wells, if the pressure detecting well is negative pressure, then the sphere of action of air guide well exceedes the distance of these two mouthfuls of wells; Choose different air guide well groups to close, the sphere of action of Query refinement air guide well is interval; When detect the pressure of well be zero or weak negative pressure and oxygen concentration be not more than zero time, the distance detecting well and extraction well is the sphere of action of air guide well.A kind of method determining household refuse landfill sites biogas air guide well sphere of action of the present invention, solves the existing methods engineering cycle long, the problem that well-digging quantity is many, reaches the object determining extraction well sphere of action with the scheme optimized, and easy to operate, safe and practical.
Description
Technical field
The present invention relates to technical field of waste treatment, particularly relate to a kind of method determining household refuse landfill sites biogas air guide well sphere of action.
Background technology
Usual refuse landfill is provided with landfill gas nature guide facility at first stage of construction, and after garbage loading embeading, the gas produced is by air guide gabion Natural excrement.But due in garbage loading embeading and earthing operation process, part wireway easily damages by Work machine, causes wireway to occur tilting even phenomenon of rupture, causes guide not smooth; The differential settlement of junk-heap body also can affect the guide effect of landfill gas; In addition, if to blend Mulching methods bad for landfill yard surrounding anti-, gas can be caused to the migration of surrounding, cause potential safety hazard.Therefore, realistic plan being formulated for landfill yard landfill gas Collection and use, having great significance to ensureing that landfill yard Security Construction runs, improve atmosphere quality.
Current domestic about landfill yard landfill gas generation and the data that tolerance can be collected, initiatively the data of air guide well sphere of action comparatively lack, and various places landfill site seepage prevention measure, coverage condition, compaction, rubbish physics and weather conditions etc. are different, this all brings certain blindness to engineering feasibility study, detail design and estimation of investment efficiency.
The determination of the air guide well sphere of action before engineering construction of therefore bleeding is necessary.For specific landfill yard, representational air guide well is carried out to exhaustive test draws extraction well sphere of action, the methane concentration can collected in tolerance and pipeline gas, and then calculate the collected tolerance of whole landfill yard.Amount usable comparatively accurately can be determined thus, and obtain Equipments Setting and generator installed capacity or equipment for purifying load comparatively accurately, thus provide data comparatively reliably for engineering feasibility study and detail design, improve investment return, reduce investment risk.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method determining household refuse landfill sites biogas air guide well sphere of action, it is made to solve the existing methods engineering cycle long, the problem that well-digging quantity is many, the object determining extraction well sphere of action is reached with the scheme optimized, and it is easy to operate, safe and practical.
For solving the problems of the technologies described above, a kind of method determining household refuse landfill sites biogas air guide well sphere of action of the present invention, comprises the following steps: beat many mouthfuls of air guide wells at household refuse landfill sites along same straight line; Choose two mouthfuls of air guide wells respectively as extraction well and detection well, if the pressure detecting well is malleation, then the sphere of action of air guide well is less than the distance of these two mouthfuls of wells, if the pressure detecting well is negative pressure, then the sphere of action of air guide well exceedes the distance of these two mouthfuls of wells; Choose different air guide well groups to close, the sphere of action of Query refinement air guide well is interval; When detect the pressure of well be zero or weak negative pressure and oxygen concentration be not more than zero time, the distance detecting well and extraction well is the sphere of action of air guide well.
As a modification of the present invention, the spacing between many mouthfuls of described air guide wells is incomplete same.
Between spacing between many mouthfuls of described air guide wells, there is integral multiple relation.
Described household refuse landfill sites makes a call to six mouthfuls of air guide wells along same straight line, and numbering is followed successively by 1# to 6#, wherein, if the distance between 1# and 2# is a, then the distance between 2# and 3# is the distance between 3a, 3# and 4# is a, distance between 4# and 5# is the distance between 5a, 5# and 6# is 2a.
The span of described a is 3m≤a≤6m.
First choosing 1# is extraction well, and 2#, 4#, 5#, 6# are respectively detection well, the sphere of action of air guide well is first determined within the scope of a ~ 5a, 5a ~ 10a, 10a ~ 12a, then determines most suitable air guide well sphere of action further.
After adopting such design, the present invention at least has the following advantages and effect:
1, implement after fixing scheme according to method of the present invention, can determine to reduce engineering cost, and part air guide well can also utilize after determining optimum gas collection scope, avoiding well-digging one by one, to carry out the system that exhaustive test causes unstable, shorten the cycle of well-digging connecting pipe, reduce engineering cost;
2, on average can collect based on tolerance by extraction well sphere of action and individual well by the present invention, the collected tolerance that this landfill yard is total then can be estimated in conjunction with this landfill yard present situation surveying figure data, correction model calculated value is carried out again with these conclusion (of pressure testing) data, future can be extrapolated and this landfill yard each year can collect landfill tolerance, calculate landfill gas calorific value according to fan outlet methane concentration value in exhaustive test simultaneously, in conjunction with the electricity of the selected biogas generator of design, the thermal efficiency can extrapolate the generator number of units of required configuration, estimate generated energy and can waste heat amount be supplied, thus can grind for engineering, design, investment provides decision-making foundation comparatively reliably.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail.
Fig. 1 determines according to the present invention is a kind of the well pitch arrangement figure that the method for household refuse landfill sites biogas air guide well sphere of action is arranged.
Detailed description of the invention
A kind of method determining household refuse landfill sites biogas air guide well sphere of action of the present invention, comprises the following steps: beat many mouthfuls of air guide wells at household refuse landfill sites, and ensures these air guide well arrays row on the same line; Choose two mouthfuls of air guide wells respectively as extraction well and detection well, if the pressure detecting well is malleation, then the sphere of action of air guide well is less than the distance of these two mouthfuls of wells, if the pressure detecting well is negative pressure, then the sphere of action of air guide well exceedes the distance of these two mouthfuls of wells; Choose different air guide well groups to close, the sphere of action of Query refinement air guide well is interval; Prepared by the optimum of spacing between air guide well, can by exhaustive test determine most suitable air guide well spacing from, when detect the pressure of well be zero or weak negative pressure and oxygen concentration be not more than zero time, the distance detecting well and extraction well is the sphere of action of air guide well.
In order to reduce well-digging quantity, the spacing between air guide well can be set to incomplete same, also can make it have integral multiple relation, to enrich inter-well distance combination, improve the efficiency detecting and determine.
To make a call to six mouthfuls of air guide wells, refer to shown in Fig. 1, be 1# to 6# by these six mouthfuls of air guide well opsition dependents order number consecutivelies, wherein, if the distance between 1# and 2# is a, then the distance between 2# and 3# is 3a, distance between 3# and 4# is a, distance between 4# and 5# is the distance between 5a, 5# and 6# is 2a, can carry out the measurement of following scope:
With 1# well for extraction well, 2# well is monitor well, and the air-extraction function distance measured between two wells is a;
With 5# well for extraction well, 6# well is monitor well, and the air-extraction function distance measured between two wells is 2a;
With 2# well for extraction well, 3# well is monitor well, and the air-extraction function distance measured between two wells is 3a;
With 1# well for extraction well, 3# well is monitor well, and the air-extraction function distance measured between two wells is 4a;
With 4# well for extraction well, 5# well is monitor well, and the air-extraction function distance measured between two wells is 5a;
With 3# well for extraction well, 5# well is monitor well, and the air-extraction function distance measured between two wells is 6a;
With 4# well for extraction well, 6# well is monitor well, and the air-extraction function distance measured between two wells is 7a;
With 3# well for extraction well, 6# well is monitor well, and the air-extraction function distance measured between two wells is 8a;
With 2# well for extraction well, 5# well is monitor well, and the air-extraction function distance measured between two wells is 9a;
With 1# well for extraction well, 5# well is monitor well, and the air-extraction function distance measured between two wells is 10a;
With 2# well for extraction well, 6# well is monitor well, and the air-extraction function distance measured between two wells is 11a;
With 1# well for extraction well, 6# well is monitor well, and the air-extraction function distance measured between two wells is 12a.
If the span of a is decided to be 3m≤a≤6m, then above-mentioned six mouthfuls of wells can determine that ultimate range is within the scope of 36m ~ 72m, optimum air guide well operating distance.By the permutation and combination of extraction well and monitor well, spacing can be measured respectively and is respectively a ~ 12a, the combination of totally 12 kinds of spacing.Then initiatively (dynamically) gas collection well sphere of action is judged according to monitor well well head data in independent pumping process, if namely zero or weak negative pressure and the distance that oxygen concentration is not more than the monitor well distance extraction well of zero is extraction well sphere of action.
During concrete enforcement, can be first extraction well with 1#, detect 2#, the well head data of 4#, 5#, 6#, can measure air guide well sphere of action is respectively a, 5a, 10a, 12a, pressure according to detection well is malleation or negative pressure, can first operating distance be determined at a ~ 5a, 5a ~ 10a, within the scope of 10a ~ 12a, then determine most suitable air guide well sphere of action further.
The above; it is only preferred embodiment of the present invention; not do any pro forma restriction to the present invention, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (3)
1. determine a method for household refuse landfill sites biogas air guide well sphere of action, it is characterized in that comprising the following steps:
Make a call to six mouthfuls of air guide wells at household refuse landfill sites along same straight line, numbering is followed successively by 1# to 6#, wherein, if the distance between 1# and 2# is a, then the distance between 2# and 3# is the distance between 3a, 3# and 4# is a, distance between 4# and 5# is the distance between 5a, 5# and 6# is 2a;
Choose two mouthfuls of air guide wells respectively as extraction well and detection well, if the pressure detecting well is malleation, then the sphere of action of air guide well is less than the distance of these two mouthfuls of wells, if the pressure detecting well is negative pressure, then the sphere of action of air guide well exceedes the distance of these two mouthfuls of wells;
Choose different air guide well groups to close, the sphere of action of Query refinement air guide well is interval;
When detect the pressure of well be zero or weak negative pressure and oxygen concentration be not more than zero time, the distance detecting well and extraction well is the sphere of action of air guide well.
2. a kind of method determining household refuse landfill sites biogas air guide well sphere of action according to claim 1, is characterized in that the span of described a is 3m≤a≤6m.
3. a kind of method determining household refuse landfill sites biogas air guide well sphere of action according to claim 1, is characterized in that:
First choosing 1# is extraction well, and 2#, 4#, 5#, 6# are respectively detection well, the sphere of action of air guide well is first determined within the scope of a ~ 5a, 5a ~ 10a, 10a ~ 12a, then determines most suitable air guide well sphere of action further.
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| ITUB20155582A1 (en) * | 2015-11-13 | 2017-05-13 | Antonini Marco Ditta Individuale | SYSTEM AND METHOD TO CHECK A BIOGAS COLLECTION SYSTEM |
| CN107737788B (en) * | 2017-10-30 | 2019-10-25 | 杭州天子岭发电有限公司 | A kind of sanitary filling field landfill gas collection processing system implementing and method |
Citations (4)
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|---|---|---|---|---|
| CN1857806A (en) * | 2006-06-09 | 2006-11-08 | 浙江大学 | Logistic regulation and monitoring type domestic garbage ecological landfill unit |
| CN101879516A (en) * | 2009-05-06 | 2010-11-10 | 中国环境科学研究院 | Improved municipal solid waste landfill structure and landfill treatment method |
| US7866921B2 (en) * | 2009-09-11 | 2011-01-11 | Stefan Stamoulis | Tool and method for extracting landfill gas |
| CN102513327A (en) * | 2011-12-30 | 2012-06-27 | 清华大学 | Semi-aerobic landfill device for emitting greenhouse gases of refuse landfill site and application |
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- 2012-11-08 CN CN201210444149.XA patent/CN102896132B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1857806A (en) * | 2006-06-09 | 2006-11-08 | 浙江大学 | Logistic regulation and monitoring type domestic garbage ecological landfill unit |
| CN101879516A (en) * | 2009-05-06 | 2010-11-10 | 中国环境科学研究院 | Improved municipal solid waste landfill structure and landfill treatment method |
| US7866921B2 (en) * | 2009-09-11 | 2011-01-11 | Stefan Stamoulis | Tool and method for extracting landfill gas |
| CN102513327A (en) * | 2011-12-30 | 2012-06-27 | 清华大学 | Semi-aerobic landfill device for emitting greenhouse gases of refuse landfill site and application |
Non-Patent Citations (2)
| Title |
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| 垃圾填埋气体收集及其工程设计;许雪松等;《环境工程》;20080831;第26卷(第4期);28-30 * |
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Inventor after: Yin Ran Inventor after: Kang Huijie Inventor after: Jing Guorui Inventor after: Qu Zhiyun Inventor after: Yang Jingbo Inventor after: Zhang Xingyu Inventor after: Su Baofeng Inventor after: Shi Yang Inventor after: Peng Ran Inventor before: Yin Ran Inventor before: Qu Zhiyun Inventor before: Kang Huijie Inventor before: Ding Shicun Inventor before: Jing Guorui Inventor before: Peng Ran Inventor before: Yang Jingbo Inventor before: Su Baofeng |
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Address after: 100120 building 36, Deshengmenwai street, Xicheng District, Beijing Patentee after: CHINA URBAN CONSTRUCTION DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 100120 0619, block a, 36 Deshengmenwai street, Xicheng District, Beijing Patentee before: CHINA URBAN CONSTRUCTION DESIGN & Research Institute |