CN101480656A - Refuse landfill extraction well and leachate in-situ recharging composite system - Google Patents
Refuse landfill extraction well and leachate in-situ recharging composite system Download PDFInfo
- Publication number
- CN101480656A CN101480656A CNA2009100255118A CN200910025511A CN101480656A CN 101480656 A CN101480656 A CN 101480656A CN A2009100255118 A CNA2009100255118 A CN A2009100255118A CN 200910025511 A CN200910025511 A CN 200910025511A CN 101480656 A CN101480656 A CN 101480656A
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- recharging
- layer
- vertical shaft
- bleeding
- rice
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- 238000000605 extraction Methods 0.000 title claims description 10
- 239000002131 composite material Substances 0.000 title claims description 8
- 238000011065 in-situ storage Methods 0.000 title claims description 8
- 239000004927 clay Substances 0.000 claims abstract description 6
- 230000000740 bleeding effect Effects 0.000 claims description 26
- 241000209094 Oryza Species 0.000 claims description 24
- 235000007164 Oryza sativa Nutrition 0.000 claims description 24
- 235000009566 rice Nutrition 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 8
- 230000003442 weekly effect Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005325 percolation Methods 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000004745 nonwoven fabric Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to an air suction well and percolating liquid original-position recharging compounding system for a refuse landfill field, which is characterized by comprising an air suction drilled shaft, an air suction pipe, a columnar gravel or cobble backfilling layer, a columnar clay backfilling layer, a non-woven fabric layer, a well-internal water discharge pipe, a percolating liquid recharging layer, a recharging pipe, a clay layer for preventing direct recharging. Furthermore, the air suction well and percolating liquid original-position recharging compounding system sucks the percolating liquid through a water discharge pump arranged in the air suction well and recharges the percolating liquid on the spot, thereby not only preventing the refuse landfill field being paved with multiple percolating liquid recharging pipes, but also being beneficial to the degradation of the refuse landfill field and to the increase of the output of landfill gas and the using quantity of the landfill gas of the refuse landfill and effectively decreasing the discharge quantity of the percolating liquid. The invention has the advantages of simple structure, convenient construction, good back percolation effect and low maintenance cost.
Description
Technical field
The present invention relates to a kind of technology of garbage disposal, the especially a kind of refuse disposal system that percolate from garbage filling field recharges efficient, specifically a kind of refuse landfill extraction well and leachate in-situ recharging composite system of improving.
Background technology
The leachate recirculation that produces in the refuse landfill in refuse landfill, can be accelerated the degradation speed of refuse landfill.Way in the past is the percolate guide system that utilizes in the refuse landfill, and percolate is returned the refuse landfill surface by pipeline, carries out nature seepage flow.Do facilities such as not only needing a large amount of pipeline materials and water pump like this; and the pipeline of laying on the landfill yard surface operation of marching into the arena easy and cram packer causes interference; through regular meeting percolate guide system generation stopping state takes place in addition; percolate can not in time be discharged, and collectable diafiltration liquid measure is limited.Therefore, original leachate recirculation system seldom is applied.
Summary of the invention
The objective of the invention is at existing percolate from garbage filling field recovery system poor practicability problem, design a kind of refuse landfill extraction well and leachate in-situ recharging composite system new, that practicality is high.
Technical scheme of the present invention is:
A kind of refuse landfill extraction well and leachate in-situ recharging composite system is characterized in that it comprises:
One vertical shaft of bleeding, this vertical shaft of bleeding adopt to bore to dig or utilize the sleeve that is embedded in the junk-heap body to follow garbage loading embeading heap body and grow up to type on together, and diameter is that the degree of depth is between 10m-30m between the 600mm-800mm;
One exhaust tube, this exhaust tube are installed in the aforesaid vertical shaft of bleeding, and diameter is a 0.16-0.2 rice; It is made up of the solid wall pipe section of epimere and the perforation floral tube section of hypomere, and wherein, the length of solid wall pipe section is 2-3 rice; Elevating above the soil and be connected with well head in the upper end of this exhaust tube, is equipped with on the well head to recharge valve and pump-line;
One column gravel or cobblestone backfill layer, it is arranged in the perforation floral tube section relative position place of bleed vertical shaft and exhaust tube, and the particle diameter of gravel or cobblestone is a 0.03-0.05 rice;
One pillared clays backfill layer, it is arranged in the solid wall pipe section relative position place of bleed vertical shaft and exhaust tube;
One nonwoven layer, it is positioned at the faying face place of aforesaid column gravel or cobblestone backfill layer and clay backfilling layer;
One well internal drainage pipe, it is arranged in exhaust tube, and its upper end links to each other with the aforesaid entrance point that recharges valve, and its lower end links to each other with the port of export of immersible pump or strength water-delivery pump, and immersible pump or strength water-delivery pump are installed in the position from the silo bottom 1-5 rice of bleeding;
One is positioned at the leachate recirculation layer on refuse landfill surface, this recharges layer is the ring-shaped groove around the vertical shaft of bleeding that unrolls, its inner ring is a 5-10 rice from the distance of the vertical shaft of bleeding, the width of ring-shaped groove is a 1-2 rice, the degree of depth is 0.3～1 meter, is filled with particle diameter and is 0.03～0.05 meter gravel or cobblestone in this ring-shaped groove;
One recharges pipe, and its end links to each other with aforesaid outlet of recharging valve, and the other end is arranged in the aforesaid ring-shaped groove that recharges layer, and the quantity of recharging pipe is one or more, when the quantity of recharging pipe is one when above, they be distributed on the vertical shaft of bleeding around;
The one anti-argillic horizon that directly recharges, it is bleeding vertical shaft well head and recharging between layer inner ring, and its degree of depth matches with the degree of depth of ring-shaped groove in recharging layer or is consistent.
Hole on the perforation floral tube section of described exhaust tube is along circumferentially arranging 4-6 weekly, and the aperture is a 0.012-0.02 rice, and the axially spaced-apart between is a 0.05-0.1 rice weekly.
Beneficial effect of the present invention:
The present invention extracts percolate and recharge on the spot out by the draining pump that is arranged in the extraction well, can not only avoid on the landfill yard surface, laying a large amount of leachate recirculation pipelines, and help the degraded of refuse landfill, increase the output of landfill gas, improve the landfill gas utilization of landfill yard, and effectively reduced the outer discharge capacity of percolate.
The present invention has simple in structure, easy construction, good back percolation effect, the advantage that maintenance cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1.
A kind of refuse landfill extraction well and leachate in-situ recharging composite system, it is mainly by forming with the lower part:
One vertical shaft 1 of bleeding, this vertical shaft 1 of bleeding adopt to bore to dig or utilize the sleeve that is embedded in the junk-heap body to follow garbage loading embeading heap body and grow up to type on together, and diameter is that the degree of depth is between 10m-30m between the 600mm-800mm;
One exhaust tube 2, this exhaust tube 2 are installed in the aforesaid vertical shaft 1 of bleeding, and diameter is a 0.16-0.2 rice; It is made up of the solid wall pipe section of epimere and the perforation floral tube section of hypomere, and wherein, the length of solid wall pipe section is 2-3 rice; Elevating above the soil and be connected with well head 4 by flange 3 in the upper end of this exhaust tube 2, is equipped with on the well head 4 to recharge valve and pump-line 6; Hole on the described perforation floral tube section is along circumferentially arranging 4-6 weekly, and the aperture is a 0.012-0.02 rice, and the axially spaced-apart between is a 0.05-0.1 rice weekly.
One column gravel or cobblestone backfill layer 7, it is arranged in the perforation floral tube section relative position place of bleed vertical shaft 1 and exhaust tube 2, and the particle diameter of gravel or cobblestone is a 0.03-0.05 rice;
One pillared clays backfill layer 8, it is arranged in the solid wall pipe section relative position place of bleed vertical shaft 1 and exhaust tube 2;
One nonwoven layer 9, it is positioned at the faying face place of aforesaid column gravel or cobblestone backfill layer 7 and clay backfilling layer 8;
One well internal drainage pipe 10, it is arranged in exhaust tube 2, its upper end links to each other with the aforesaid entrance point that recharges valve 5, and its lower end links to each other with the port of export of immersible pump or strength water-delivery pump 11, and immersible pump or strength water-delivery pump 11 are installed in the position from the vertical shaft 1 bottom 1-5 rice of bleeding;
One is positioned at the leachate recirculation layer 12 on refuse landfill surface, this recharges layer 12 is the ring-shaped groove around the vertical shaft 1 of bleeding that unrolls, its inner ring is a 5-10 rice from the distance of the vertical shaft 1 of bleeding, the width of ring-shaped groove is a 1-2 rice, the degree of depth is 0.3～1 meter, is filled with particle diameter and is 0.03～0.05 meter gravel or cobblestone in this ring-shaped groove;
One recharges pipe 13, its end links to each other with aforesaid outlet of recharging valve 5, and the other end is arranged in the aforesaid ring-shaped groove that recharges layer 12, and the quantity of recharging pipe is one or more, when the quantity of recharging pipe is one when above, they be distributed on the vertical shaft of bleeding around;
The one anti-argillic horizon 14 that directly recharges, it is bleeding vertical shaft well head and recharging between layer inner ring, its degree of depth matches with the degree of depth of ring-shaped groove in recharging layer or is consistent, should anti-directly recharge argillic horizon 14 and can directly be connected to an integral body with aforesaid pillared clays backfill layer 8, with the percolate that prevents to discharge by draining pump or strength water-delivery pump 11 without face of land seepage, react and directly enter in the vertical shaft of bleeding.
This concrete concrete construction method is:
(1) landfill extraction vertical shaft: adopt to bore to dig or to utilize the sleeve that is embedded in the junk-heap body to follow garbage loading embeading heap body and grow up to type on together, diameter is that the degree of depth is between 10m-30m between the 600mm-800mm.
(2) bleed and bury HEPD pipe or the steel pipe of diameter between DN160-DN200 in the vertical shaft underground, as exhaust tube, the exhaust tube between the 2m-3m is a solid wall pipe downwards on distance junk-heap body surface, and down (beating 4-6 diameter along circumference is for the perforation floral tube again
Between the hole, the longitudinal pitch of every round is between 50mm-100mm).
(3) gravel or the cobblestone between the outside backfill of the floral tube section in the vertical shaft of the bleeding particle diameter 30mm-50mm, the solid wall pipe outside backfill clay in vertical shaft is laid a slice nonwoven between argillic horizon and gravel layer.
(4) well head is HEPD pipe or steel pipe three-port structure, the end face diameter and the exhaust tube that link to each other with exhaust tube in the vertical shaft are identical, on the top flange is set, the upper and lower end face of flange by percolate drainpipe in screw thread or flange and the well with recharge valve and link to each other, it is pipeline and valve between the DN90-DN160 that side is drawn diameter, as the exhaust pipe of landfill gas.
(5) in the junk-heap body surface of vertical shaft, excavate an external diameter between the 5m-10m, width is the groove between the 1m-2m, the degree of depth is filled gravel or cobblestone between the particle diameter 30mm-50mm, as the layer that recharges of percolate in groove between 300m-1000mm.
(6) the exhaust tube inner bottom part in vertical shaft is placed immersible pump or strength water-delivery pump, the placement location of pump is apart between the silo bottom 1m-5m, immersible pump or strength water-delivery pump are connected with the well internal drainage pipe, the well internal drainage pipe is HDPE pipe or pvc pipe or PPR pipe (diameter is between 40mm-60mm), links to each other with recharging valve and recharge to manage by the well head flange.
(7) recharge pipe and be HDPE pipe or pvc pipe or PPR pipe (diameter is between 50mm-100mm), recharging pipe imbeds in the leachate recirculation layer, by immersible pump or strength water-delivery pump the percolate in the vertical shaft is entered in the leachate recirculation layer, the percolate of discharge enters junk-heap body inside by leachate recirculation layer seepage flow.
(8) in the inboard of leachate recirculation groove, the anti-argillic horizon that directly recharges of landfill, the thickness of argillic horizon is consistent with the degree of depth of recharging layer.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (2)
1, a kind of refuse landfill extraction well and leachate in-situ recharging composite system is characterized in that it comprises:
One vertical shaft of bleeding, this vertical shaft of bleeding adopt to bore to dig or utilize the sleeve that is embedded in the junk-heap body to follow garbage loading embeading heap body and grow up to type on together, and diameter is that the degree of depth is between 10m-30m between the 600mm-800mm;
One exhaust tube, this exhaust tube are installed in the aforesaid vertical shaft of bleeding, and diameter is a 0.16-0.2 rice; It is made up of the solid wall pipe section of epimere and the perforation floral tube section of hypomere, and wherein, the length of solid wall pipe section is 2-3 rice; Elevating above the soil and be connected with well head in the upper end of this exhaust tube, is equipped with on the well head to recharge valve and pump-line;
One column gravel or cobblestone backfill layer, it is arranged in the perforation floral tube section relative position place of bleed vertical shaft and exhaust tube, and the particle diameter of gravel or cobblestone is a 0.03-0.05 rice;
One pillared clays backfill layer, it is arranged in the solid wall pipe section relative position place of bleed vertical shaft and exhaust tube;
One nonwoven layer, it is positioned at the faying face place of aforesaid column gravel or cobblestone backfill layer and clay backfilling layer;
One well internal drainage pipe, it is arranged in exhaust tube, and its upper end links to each other with the aforesaid entrance point that recharges valve, and its lower end links to each other with the port of export of immersible pump or strength water-delivery pump, and immersible pump or strength water-delivery pump are installed in the position from the silo bottom 1-5 rice of bleeding;
One is positioned at the leachate recirculation layer on refuse landfill surface, this recharges layer is the ring-shaped groove around the vertical shaft of bleeding that unrolls, its inner ring is a 5-10 rice from the distance of the vertical shaft of bleeding, the width of ring-shaped groove is a 1-2 rice, the degree of depth is 0.3～1 meter, is filled with particle diameter and is 0.03～0.05 meter gravel or cobblestone in this ring-shaped groove;
One recharges pipe, and its end links to each other with aforesaid outlet of recharging valve, and the other end is arranged in the aforesaid ring-shaped groove that recharges layer, and the quantity of recharging pipe is one or more, when the quantity of recharging pipe is one when above, they be distributed on the vertical shaft of bleeding around;
The one anti-argillic horizon that directly recharges, it is bleeding vertical shaft well head and recharging between layer inner ring, and its degree of depth matches with the degree of depth of ring-shaped groove in recharging layer or is consistent.
2, refuse landfill extraction well according to claim 1 and leachate in-situ recharging composite system, it is characterized in that hole on the perforation floral tube section of described exhaust tube is along circumferentially arranging 4-6 weekly, the aperture is a 0.012-0.02 rice, and the axially spaced-apart between is a 0.05-0.1 rice weekly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100255118A CN101480656B (en) | 2009-02-06 | 2009-02-06 | Refuse landfill extraction well and leachate in-situ recharging composite system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100255118A CN101480656B (en) | 2009-02-06 | 2009-02-06 | Refuse landfill extraction well and leachate in-situ recharging composite system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101480656A true CN101480656A (en) | 2009-07-15 |
| CN101480656B CN101480656B (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100255118A Expired - Fee Related CN101480656B (en) | 2009-02-06 | 2009-02-06 | Refuse landfill extraction well and leachate in-situ recharging composite system |
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| CN (1) | CN101480656B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155024A (en) * | 2011-01-17 | 2011-08-17 | 深圳市信能环保科技有限公司 | Large-sized material storage yard gas guide and discharge well and well cementing construction method |
| 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 |
| CN101736036B (en) * | 2009-12-14 | 2011-11-16 | 山东十方环保能源股份有限公司 | Landfill gas collecting, purifying and generating process |
| CN102400473A (en) * | 2011-08-08 | 2012-04-04 | 南京大学 | Construction method for gas suction vertical shaft of waste landfill gas and collection device |
| CN102441551A (en) * | 2011-09-13 | 2012-05-09 | 北京高能时代环境技术股份有限公司 | Garbage dumping method based on bioreactor principle |
| CN102060337B (en) * | 2009-11-17 | 2012-10-03 | 北京天地人环保科技有限公司 | Recirculation unit and method for waste leachate or concentrate thereof |
| CN102888852A (en) * | 2012-10-19 | 2013-01-23 | 中钢集团马鞍山矿山研究院有限公司 | System for beach face seepage water draining of closed tailings pond |
| CN104174643A (en) * | 2014-08-08 | 2014-12-03 | 北京建工环境修复股份有限公司 | In-situ restoration device and in-situ restoration method of organic polluted soil and underground water |
| CN105312293A (en) * | 2015-05-28 | 2016-02-10 | 南京科技职业学院 | Landfill gas guiding and exhausting system of landfill |
| CN109356591A (en) * | 2018-11-21 | 2019-02-19 | 天津建昌环保股份有限公司 | A kind of groundwater monitoring well and its construction method for refuse landfill |
| CN109500043A (en) * | 2018-11-27 | 2019-03-22 | 北京国环清华环境工程设计研究院有限公司 | A kind of quasi- aerobic ecological restoring method of refuse landfill and system |
| CN110067521A (en) * | 2019-03-12 | 2019-07-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Rotary excavating treatment system and method for volatile toxic substance-containing solid waste in mine |
| CN110219321A (en) * | 2019-07-01 | 2019-09-10 | 付文堂 | A kind of pneumatic reinforcement means of heap body |
| CN111112275A (en) * | 2019-11-27 | 2020-05-08 | 同济大学 | Sanitary landfill covering method for domestic garbage in loess area |
| WO2022101875A1 (en) * | 2020-11-13 | 2022-05-19 | Prior Vincent Warren | Percolating container |
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- 2009-02-06 CN CN2009100255118A patent/CN101480656B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060337B (en) * | 2009-11-17 | 2012-10-03 | 北京天地人环保科技有限公司 | Recirculation unit and method for waste leachate or concentrate thereof |
| CN101736036B (en) * | 2009-12-14 | 2011-11-16 | 山东十方环保能源股份有限公司 | Landfill gas collecting, purifying and generating process |
| 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 |
| 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 |
| CN102155024A (en) * | 2011-01-17 | 2011-08-17 | 深圳市信能环保科技有限公司 | Large-sized material storage yard gas guide and discharge well and well cementing construction method |
| CN102155024B (en) * | 2011-01-17 | 2013-01-23 | 深圳市信能环保科技有限公司 | Large-sized material storage yard gas guide and discharge well and well cementing construction method |
| CN102400473A (en) * | 2011-08-08 | 2012-04-04 | 南京大学 | Construction method for gas suction vertical shaft of waste landfill gas and collection device |
| CN102400473B (en) * | 2011-08-08 | 2014-02-26 | 南京大学 | Construction method for gas suction vertical shaft of waste landfill gas and collection device |
| CN102441551B (en) * | 2011-09-13 | 2014-07-30 | 北京高能时代环境技术股份有限公司 | Garbage dumping method based on bioreactor principle |
| CN102441551A (en) * | 2011-09-13 | 2012-05-09 | 北京高能时代环境技术股份有限公司 | Garbage dumping method based on bioreactor principle |
| CN102888852A (en) * | 2012-10-19 | 2013-01-23 | 中钢集团马鞍山矿山研究院有限公司 | System for beach face seepage water draining of closed tailings pond |
| CN102888852B (en) * | 2012-10-19 | 2014-12-17 | 中钢集团马鞍山矿山研究院有限公司 | System for beach face seepage water draining of closed tailings pond |
| CN104174643A (en) * | 2014-08-08 | 2014-12-03 | 北京建工环境修复股份有限公司 | In-situ restoration device and in-situ restoration method of organic polluted soil and underground water |
| CN105312293A (en) * | 2015-05-28 | 2016-02-10 | 南京科技职业学院 | Landfill gas guiding and exhausting system of landfill |
| CN109356591A (en) * | 2018-11-21 | 2019-02-19 | 天津建昌环保股份有限公司 | A kind of groundwater monitoring well and its construction method for refuse landfill |
| CN109500043A (en) * | 2018-11-27 | 2019-03-22 | 北京国环清华环境工程设计研究院有限公司 | A kind of quasi- aerobic ecological restoring method of refuse landfill and system |
| CN110067521A (en) * | 2019-03-12 | 2019-07-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Rotary excavating treatment system and method for volatile toxic substance-containing solid waste in mine |
| CN110067521B (en) * | 2019-03-12 | 2021-07-27 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Rotary excavating treatment system and method for volatile toxic substance-containing solid waste in mine |
| CN110219321A (en) * | 2019-07-01 | 2019-09-10 | 付文堂 | A kind of pneumatic reinforcement means of heap body |
| CN111112275A (en) * | 2019-11-27 | 2020-05-08 | 同济大学 | Sanitary landfill covering method for domestic garbage in loess area |
| CN111112275B (en) * | 2019-11-27 | 2022-05-27 | 同济大学 | Sanitary landfill covering method for domestic garbage in loess area |
| WO2022101875A1 (en) * | 2020-11-13 | 2022-05-19 | Prior Vincent Warren | Percolating container |
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| Publication number | Publication date |
|---|---|
| CN101480656B (en) | 2010-12-08 |
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