CN102182210A - Leakage repair method for impermeable layer of refuse landfill - Google Patents
Leakage repair method for impermeable layer of refuse landfill Download PDFInfo
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- CN102182210A CN102182210A CN2011100683565A CN201110068356A CN102182210A CN 102182210 A CN102182210 A CN 102182210A CN 2011100683565 A CN2011100683565 A CN 2011100683565A CN 201110068356 A CN201110068356 A CN 201110068356A CN 102182210 A CN102182210 A CN 102182210A
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- seepage
- refuse landfill
- swell soil
- landfill
- refuse
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Abstract
The invention discloses a leakage repair method for an impermeable layer of a refuse landfill. The method comprises the following steps of: A, forming a hole in the landfill: vertically drilling the refuse landfill above a leakage hole of the impermeable layer of the refuse landfill by using a hole forming machine till the top of the impermeable layer; B, injecting bentonite: injecting the bentonite into the drilled hole, and filling the leakage hole by using the bentonite; and C, backfilling and compacting refuse: backfilling and compacting the refuse taken out by drilling. The leakage repair method for the impermeable layer of the refuse landfill is simple and convenient in operation, reliable and practical, has no special influence on the environment, and has good environment-friendly performance.
Description
Technical field
The present invention relates to a kind of seepage means to save the situation of refuse landfill, specifically be meant a kind of method that the refuse landfill seepage of seepage-proof layer is remedied that is used for.
Background technology
Along with the develop rapidly of China's economic construction and the raising day by day of living standards of the people, increasing rubbish needs landfill disposal.In modern health refuse landfill, the bottom needs to lay geomembrane and argillic horizon is done the antiseepage processing.But owing to influenced by construction factor, geomembrane is difficult to ensure does not have hole or slit to exist, and argillic horizon is bad as handling, and also easily produces the crack; Even, also be difficult to ensure not have and ooze drop liquid seepage so possess the landfill yard that double-deck antiseepage is handled.
In case ooze drop liquid seepage; dirty rubbish is dyed landfill yard water and soil on every side, still do not have reliable and practical method about remedying of impervious barrier at present, therefore invent a kind of means to save the situation; for prevent because of the seepage of oozing drop liquid to the pollution that water and soil caused around the refuse landfill, the protection environment has necessity.
Summary of the invention
In view of this, the object of the present invention is to provide the simple refuse landfill seepage of seepage-proof layer of a kind of construction means to save the situation.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of refuse landfill seepage of seepage-proof layer means to save the situation, realize as follows: A, landfill yard pore-forming: above the weepage holes of the impervious barrier of refuse landfill, in refuse landfill, vertically boring is until the top of impervious barrier with the pore-forming machine; B, swell soil inject: with the swell soil injection hole, fill weepage holes with swell soil; C, rubbish backfill compacting: rubbish and compacting that backfill boring is taken out.
In the above-mentioned swell soil implantation step, the enlarging pipeline is put into boring, inject swell soil along pipeline from the enlarging of enlarging pipeline.
Described swell soil adopts sodium bentonite.
Before above-mentioned swell soil implantation step, will ooze drop liquid with water pumper and drain.
After adopting such scheme, refuse landfill seepage of seepage-proof layer means to save the situation of the present invention has following beneficial effect:
One, above the seepage position of the impervious barrier of refuse landfill, vertically boring in the rubbish body, the bottom of boring is until the top of impervious barrier, but do not penetrate impervious barrier; A certain amount of swell soil is injected in bottom to boring, in order to fill weepage holes, makes full use of bentonitic dilatancy and hypotonicity, can effectively remedy the leak of impervious barrier, prevents to ooze drop liquid pollution rubbish landfill yard water and soil on every side; The rubbish that pore-forming is taken out is backfilling in the boring, with the rubbish of compacting machine compacting backfill; Inject and three steps of rubbish backfill compacting are promptly finished remedying of leak by landfill yard pore-forming, swell soil, easy construction, duration are short, with low cost, other impervious material and mode relatively, and it is fairly simple to construct, and need not heat and paste; And swell soil is the natural inorganic material, and is harmless nontoxic, and environment is not had special influence, has the favorable environment protection energy;
Two, sodium bentonite belongs to the natural inorganic material, and aging or corrosion phenomenon can not take place, and has and forever remedies performance; And sodium bentonite has bigger dilatancy and hypotonicity, volume expansion 20-28 doubly, transmission coefficient is less than 1.0 * 10
-11M/sec can remedy the leak of impervious barrier effectively.
Description of drawings
Fig. 1 is the schematic diagram of landfill yard pore-forming step;
Fig. 2 is the schematic diagram of swell soil implantation step;
Fig. 3 is the schematic diagram of rubbish backfill compacting step.
Among the figure:
10 refuse landfills 20 of pore-forming machine
The specific embodiment
In order further to explain technical scheme of the present invention, the present invention will be described in detail below by specific embodiment.
As Figure 1-3, refuse landfill seepage of seepage-proof layer means to save the situation of the present invention is mainly injected by landfill yard pore-forming, swell soil and three steps of rubbish backfill compacting realize.
At first adopt pore-forming machine 10 vertically boring directly over the weepage holes 221 of the impervious barrier 22 of refuse landfill 20.If the hole wall of boring 222 itself can not be kept uprightly, cave in order to prevent rubbish 21, but then setting of casing carries out retaining wall; The bottom of boring 222 does not penetrate in the impervious barrier 22 until the top of impervious barrier 22.If existing, the bottom of boring 222 oozes drop liquid, then adopting water pumper will ooze drop liquid drains, then enlarging pipeline 30 is put into boring 222, a certain amount of swell soil 40 is injected into the bottom of boring 222 from the enlarging of enlarging pipeline 30 along its pipeline, swell soil 40 is entered in the weepage holes 221 fill; The rubbish 21 that is taken out of will holing at last is backfilling in the boring 222, adopts compacting machine 50 to carry out compacting when backfill is full.
Present embodiment adopts sodium bentonite, makes full use of bentonitic dilatancy and hypotonicity and carries out leak and remedy.Behind backfill compacting rubbish, swell soil is if chance is oozed drop liquid, and sodium bentonite has bigger dilatancy and hypotonicity, and volume expansion 20-28 times, transmission coefficient is less than 1.0 * 10
-11M/sec; Around under the effect of rubbish pressure, the close packed hole, and around hole, form consistent tight defense water layer, fine and close waterproofing course is tightly pressed close to hole, prevents to ooze drop liquid and is penetrated in the underground water and soil.Therefore the present invention has easy and simple to handle, reliable and practical characteristic, for the refuse landfill seepage of seepage-proof layer is provided by a kind of approach that provides.
The foregoing description and accompanying drawing and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present invention to its suitable variation or modification of doing.
Claims (4)
1. a refuse landfill seepage of seepage-proof layer means to save the situation is characterized in that, realizes as follows:
A, landfill yard pore-forming: above the weepage holes of the impervious barrier of refuse landfill, in refuse landfill, vertically boring is until the top of impervious barrier with the pore-forming machine;
B, swell soil inject: with the swell soil injection hole, fill weepage holes with swell soil;
C, rubbish backfill compacting: rubbish and compacting that backfill boring is taken out.
2. refuse landfill seepage of seepage-proof layer means to save the situation as claimed in claim 1 is characterized in that, in the above-mentioned swell soil implantation step, the enlarging pipeline is put into boring, injects swell soil from the enlarging of enlarging pipeline along pipeline.
3. refuse landfill seepage of seepage-proof layer means to save the situation as claimed in claim 3 is characterized in that, described swell soil adopts sodium bentonite.
4. refuse landfill seepage of seepage-proof layer means to save the situation as claimed in claim 1 or 2 is characterized in that, before above-mentioned swell soil implantation step, will ooze drop liquid with water pumper and drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100683565A CN102182210A (en) | 2011-03-18 | 2011-03-18 | Leakage repair method for impermeable layer of refuse landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100683565A CN102182210A (en) | 2011-03-18 | 2011-03-18 | Leakage repair method for impermeable layer of refuse landfill |
Publications (1)
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| CN102182210A true CN102182210A (en) | 2011-09-14 |
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Family Applications (1)
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|---|---|---|---|
| CN2011100683565A Pending CN102182210A (en) | 2011-03-18 | 2011-03-18 | Leakage repair method for impermeable layer of refuse landfill |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200016A (en) * | 2010-03-26 | 2011-09-28 | 上海申通轨道交通研究咨询有限公司 | Method for injecting solid particles for long-term subsidence of shield tunnel in soft soil area |
| CN108130921A (en) * | 2017-12-19 | 2018-06-08 | 浙江科技学院 | The refuse landfill seepage control layer of intelligent drives selfreparing and its selfreparing anti-seepage method |
| CN110777853A (en) * | 2019-09-25 | 2020-02-11 | 南京万德斯环保科技股份有限公司 | Method for repairing HDPE (high-density polyethylene) film leak of landfill slope |
| CN113546953A (en) * | 2021-08-05 | 2021-10-26 | 山东中海新科环境技术有限公司 | Process for repairing sewage and soil of refuse landfill |
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| JPH038664A (en) * | 1989-06-02 | 1991-01-16 | Matsushita Electric Ind Co Ltd | Shock absorbing device |
| JPH06346424A (en) * | 1993-06-10 | 1994-12-20 | Kyowa Hakko Kogyo Co Ltd | Repairing method of watertight structure |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH038664A (en) * | 1989-06-02 | 1991-01-16 | Matsushita Electric Ind Co Ltd | Shock absorbing device |
| JPH06346424A (en) * | 1993-06-10 | 1994-12-20 | Kyowa Hakko Kogyo Co Ltd | Repairing method of watertight structure |
| JPH09108664A (en) * | 1995-07-31 | 1997-04-28 | Samsung Electron Co Ltd | Concentrated water adjusting device of water purifier |
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| JP2002192100A (en) * | 2000-12-25 | 2002-07-10 | Taisei Corp | Method for specifying broken portion of water barrier layer and method for repairing the broken portion |
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| 金朝娣、能昌信、常琳、董路、刘玉强: "质层振动信号时域分析及其在填埋场漏洞修补技术中的应用", 《环境科学研究》, no. 01, 31 January 2010 (2010-01-31), pages 85 - 89 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200016A (en) * | 2010-03-26 | 2011-09-28 | 上海申通轨道交通研究咨询有限公司 | Method for injecting solid particles for long-term subsidence of shield tunnel in soft soil area |
| CN108130921A (en) * | 2017-12-19 | 2018-06-08 | 浙江科技学院 | The refuse landfill seepage control layer of intelligent drives selfreparing and its selfreparing anti-seepage method |
| CN110777853A (en) * | 2019-09-25 | 2020-02-11 | 南京万德斯环保科技股份有限公司 | Method for repairing HDPE (high-density polyethylene) film leak of landfill slope |
| CN113546953A (en) * | 2021-08-05 | 2021-10-26 | 山东中海新科环境技术有限公司 | Process for repairing sewage and soil of refuse landfill |
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Application publication date: 20110914 |