CN102179393A - Method for landfill treatment - Google Patents
Method for landfill treatment Download PDFInfo
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- CN102179393A CN102179393A CN 201110033543 CN201110033543A CN102179393A CN 102179393 A CN102179393 A CN 102179393A CN 201110033543 CN201110033543 CN 201110033543 CN 201110033543 A CN201110033543 A CN 201110033543A CN 102179393 A CN102179393 A CN 102179393A
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- antiseepage lining
- humidity
- antiseepage
- lining
- garbage loading
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Abstract
The invention belongs to a landfill treatment technique and particularly relates to a method or process for landfill treatment. The method comprises the following steps: paving an impermeable lining layer; paving a buffer material on the impermeable lining layer; and then filling and embedding rubbishes in the land, wherein the completeness and continuity of the impermeable lining layer are detected after the buffer material is paved; if the impermeable lining layer is abnormal, the impermeable lining layer can be repaired immediately; because the thickness of the buffer material is usually from several centimeters to dozens of centimeters, the impermeable lining layer can be easily repaired; the rubbishes are filled and embedded after the impermeable lining layer is completely repaired; and the buffer material has buffering and scattering effects to the outside and the possibility of damaging the impermeable lining layer is almost zero in the following landfill process. By using such a method for landfill treatment, the rubbish percolate leakage is avoided, the reliability of landfill treatment is obviously increased, and the construction cost is not increased or is rarely increased.
Description
Technical field
The invention belongs to a kind of technology of garbage disposal, specifically is exactly method or title technology that a kind of garbage loading embeading is handled.
Background technology
Along with the quickening of city of the world's process, the urban population ratio increases suddenly, lower, the populous country of especially Chinese such urbanization rate, urban population sharp increase.This just directly causes the surge of domestic waste.
Existing technology of garbage disposal mainly is landfill method, burning method.Burning method causes serious secondary pollution because can produce a large amount of poisonous and harmful flue gas etc., so its scope of application is little, treating capacity is few.Prevailing still landfill disposal.
Garbage loading embeading is handled and will be avoided environment is polluted, and just must prevent that the percolate after the garbage decomposition is penetrated in the ambient soil 7.Normally utilize impervious material in the landfill pond, to weld in the prior art or antiseepage lining 5 bonding or heat seal formation continuous whole, antiseepage lining 5 is the composite geo-membrane or the similar impervious material of water proof normally, this antiseepage lining 5 is just isolated with rubbish on it and ambient soil 7, the percolate of rubbish can concentrate on the short position of antiseepage lining 5, collect then and carry out harmless processing, avoid contaminated environment.
In order to make antiseepage lining 5 solid reliable, as shown in Figure 1, usually on soil 7, entirely lay earlier one deck clay 6, be being laid on the ambient soil 7 that antiseepage lining 5 can be smooth so on the one hand, smooth in addition soil 7 and clay 6 cushion, disperse the pressure of rubbish to antiseepage lining 5, make that antiseepage lining 5 is stressed even, improve its service life; Certainly, when soil 7 own soil properties at the scene are fit to, also can after levelling of the land, directly lay antiseepage lining 5.Re-lay argillic horizon 4 and metalling 3 above the antiseepage lining 5 and then geotextiles 2 is set, the pending rubbish 1 of ability landfill above the geotextiles 2, argillic horizon 4, metalling 3 and geotextiles 2 all are in order to cushion and to disperse pressure from the top, can be general become padded coaming; The pressure of plant equipment such as employed loading machine and the pressure that rubbish itself produces can evenly be delivered on the antiseepage lining 5 lenitively during garbage loading embeading like this, make antiseepage lining 5 be in good stress, be convenient to its use lasting; Slit between the particle of metalling 3 itself also is used for percolate flows, and is convenient to percolate centralized collection and processing.
In the prior art in the work progress of garbage loading embeading pond, promptly detect its integrity and continuity after normally 5 layings of antiseepage lining being finished, detection method commonly used is exactly the electrode method, its principle mainly is when antiseepage lining 5 is intact, its upper surface and ambient soil lower surface are that insulation is nonconducting, if the somewhere is destroyed or leaky, then near the antiseepage lining 5 material upper surfaces its corrupted point and the soil of lower surface just have certain conductive capability, by detecting its conductive capability, can detect the corrupted point and repair; Determine to lay padded coamings such as argillic horizon 4, metalling 3 and geotextiles 2 after intact, then landfill waste.
But adopt many garbage loading embeadings pond of existing technology the percolate seepage all to occur, pollute surrounding soil, the phenomenon of stinking to high heaven.And because rubbish landfill can't itself be repaired the landfill pond, so the seepage phenomenon almost can't be eradicated again.And when percolate being collected and handling in periphery, landfill pond, because the percolate of seepage is that the soil all directions spread continuously towards periphery, therefore the percolate of collecting seepage is extremely difficult, and can't all collect and handle, must a shielding system bigger because will all collect the percolate of seepage than landfill pond, and this can't realize in the engineering angle at all.
Therefore the waste landfill method poor reliability of prior art causes the destruction that can't reverse to environment easily, and causes the reason of this phenomenon and solution not to appear in the newspapers.
Summary of the invention
Main purpose of the present invention provides a kind of garbage loading embeading processing method of better reliability.
For achieving the above object, the technical solution adopted in the present invention is: a kind of garbage loading embeading processing method, comprise and lay the antiseepage lining and on the antiseepage lining, lay padded coaming, and then landfill waste, it is characterized in that: the integrity and the continuity that detect the antiseepage lining after described padded coaming is laid.
Technique scheme that is to say it is before garbage loading embeading, padded coamings such as antiseepage lining and the clay on it and/or rubble and/or geotextiles are laid part or are laid to finish and afterwards the antiseepage lining is detected, to determine the integrity and the continuity of antiseepage lining, if having unusually then, can repair immediately the antiseepage lining, because the thickness of padded coaming is usually only at several centimetres to tens centimetres, so be easy to realize when repairing the antiseepage lining this moment, repair and finish afterwards landfill waste again.
The advantage of this method is: the why destroyed still main because padded coaming of antiseepage lining, just in the process of deployment such as clay, rubble the weight of plant equipment to the active force of antiseepage lining part; Perhaps the sharp-pointed foreign matter in the padded coaming has destroyed the antiseepage lining; The perhaps improper antiseepage lining that destroyed of constructing operation, engage when for example laying the antiseepage lining not firm, or the artificial antiseepage lining etc. of accidentally injuring when laying clay.This just is different from the prior art processing quality of the detection of antiseepage lining in fact just only having been considered laying constructions such as the bonding or heat seal of antiseepage lining itself, and does not notice the destruction that follow-up construction may cause the antiseepage lining.After padded coaming was laid and finished, because buffering that padded coaming is risen to external world and peptizaiton, in the process of follow-up landfill waste, the ruined possibility of antiseepage lining did not almost have.Therefore, such burying method has only increased and has detected operation together, also can be that original detection operation is replaced with detection operation of the present invention, if any unusually just repairing, just can guarantee the integrity and the continuity of antiseepage lining, avoid the seepage of percolate, reliability, the security of landfill disposal are significantly improved.Simultaneously do not increase or seldom increase construction cost again.
And the huge technological progress that this trickle technology difference is brought, those skilled in the art had not implemented not predicted yet just.
Description of drawings
Fig. 1 is the structural representation in garbage loading embeading pond.
The specific embodiment
For example to build garbage loading embeading pond as shown in Figure 1, brief for the sake of simplicity the present invention, the thickness proportion of having dwindled garbage loading embeading thing 1, the thickness proportion of having given prominence to antiseepage lining 5 and buffering material introduced among the figure.Garbage loading embeading processing method of the present invention, comprise and build the garbage loading embeading pond, still first smooth place when building the garbage loading embeading pond, just with the ambient soil 7 smooth good clays 6 of laying afterwards, lay antiseepage lining 5 then, and then lay padded coaming on antiseepage lining 5, padded coaming is for example by illustrated argillic horizon 4, metalling 3, the geotextiles 2 of being followed successively by, perhaps only get part wherein or select other padded coaming, landfill waste again after padded coaming is laid and finished according to execution conditions.
The present invention will detect the integrity and the continuity of antiseepage lining 5 equally, if any keeping in repair as prior art with regard to needs unusually, but improve and just to be: existing detection to antiseepage lining 5 be after its laying is finished, padded coaming do not detect when also laying at once, and the present invention to be antiseepage lining 5 and the padded coaming on it lay detects after partly or entirely finishing, detect after preferably laying argillic horizon 4, metalling 3.
Can repair immediately if antiseepage lining 5 has unusually then because the thickness of padded coaming is usually only at several centimetres to tens centimetres, so be easy to realize when repairing antiseepage lining 5 this moment, repair finish after landfill waste again.Even antiseepage lining 5 is destroyed by the active force of the weight of plant equipment to antiseepage lining part in process of deployment such as clay, rubble like this, the sharp-pointed foreign matter that perhaps is cushioned in the material destroys, perhaps improper destroyed because of constructing operation, can both in time be repaired, guarantee that it is excellent.When other padded coaming of follow-up laying or rubbish, because buffering and peptizaiton that padded coaming is risen to external world, the ruined again possibility of antiseepage lining 5 is very little.Therefore, the reliability of landfill disposal, security are significantly improved like this, have avoided the percolate seepage and the danger of contaminated environment.Simultaneously do not increase or seldom increase construction cost again.Significant technique effect and technological progress have promptly been obtained with small improvement.
Summarize to be exactly: the present invention to the detection of antiseepage lining 5 be can: in the time of any after having laid the partial buffer material at least, before the garbage loading embeading or only carry out a small amount of rubbish of landfill the time.
Detection to antiseepage lining 5 is carried out after having laid the partial buffer material, has had after the certain thickness padded coaming, and the probability that foreign matter in the padded coaming and plant equipment etc. are destroyed antiseepage lining 5 just obviously descends, and its improvement effect can be clearly.Perhaps can detect after laying, because geotextiles 2 itself is permeable, so even destruction geotextiles 2 does not have adverse consequences yet when detecting in argillic horizon 4 and metalling 3, geotextiles 2.Can also be to carry out after having laid a small amount of rubbish, the obstruction repair gets final product so long as not rubbish is too dark.
Preferably described padded coaming comprises argillic horizon 4 and metalling 3 from down to up successively, and described detection is laid at argillic horizon 4 and metalling 3 and carried out after finishing.After argillic horizon 4 and metalling 3 were laid and finished, its protective effect to antiseepage lining 5 was just very abundant, just can play the best techniques effect so detect this moment; Its thickness is not too dark again, is convenient to detect and maintenance antiseepage lining 5.
As for detection method, numerous embodiments is also arranged: for example, adopt existing electrode method to detect, only this moment is because antiseepage lining 5 tops have covered padded coaming, so when detecting, padded coaming need be pushed aside a small gap, because detect and the garbage pool subregion can be adopted a detection, so such detection does not bother yet.Perhaps the sensor with checkout equipment is arranged on the inserted link, need not push padded coaming like this aside also can utilize inserted link that sensor is touched on the antiseepage lining 5 to detect, because the thickness of padded coaming is all by design and construction, the testing staff can be easy to grasp insertion depth, so such detection is still simple and convenient.
But the method that preferably adopts the humidity contrast to detect, just described detection comprise the humidity of materials above and/or under the detection antiseepage lining, analyze the testing result of humidity then and determine whether the antiseepage lining is intact.
Its principle is exactly: intact, continuous antiseepage lining 5 integral body are with the garbage pool internal insulation of ambient soil 7 and antiseepage lining 5 tops, like this garbage pool inside everywhere clay or the humidity of rubble be continuous distributed, do not have step or sudden change, just the position humidity that height above sea level is low more usually is big more, and the local humidity of closing on the water source more is big more.The ambient soil 7 of antiseepage lining 5 belows also is the same reason with the moisture distribution of clay 6.When the antiseepage lining 5 at certain position is damaged, antiseepage lining 5 top overall humidity are big, water body seepage downwards so, near the leak source clay 6 and the remarkable humidity of soil 7 humidity meeting greater than surrounding environment, the argillic horizon 4 of antiseepage lining 5 tops, metalling 3 are because dry out, its humidity again will be less than argillic horizon 4, metalling 3 humidity on every side, therefore no matter be the humidity of materials that detects antiseepage lining 5 tops, or below humidity of materials or both detect, comparative analysis by humidity, can both find the position of seepage, and then repair.
Perhaps antiseepage lining 5 belows because of level of ground water enrich humidity very big and greater than its top material humidity the time, its infiltration direction opposite, just water can be seeped into argillic horizon 4, the metalling 3 from the clay 6 and the soil 7 of antiseepage lining 5 belows.But its detection also is the same, as long as find the sudden change of humidity of materials, can determine that antiseepage lining 5 may wreck, and must push argillic horizon 4 aside, metalling 3 is checked.
As for the humidity that how to detect antiseepage lining 5 upper and lower materials, then a lot of prior aries can both be accomplished, detect such as the sample of directly getting its top material, can be with a small amount of sampling method of probe for the material of antiseepage lining 5 belows, with the pin hole on the adhesive reparation antiseepage lining 5, perhaps adopt no triage such as ultrasonic wave, nuclear magnetic resonance to survey means then.
When usually detecting earlier to the garbage loading embeading pond with horizontal ordinate subregion, the contrast coordinate points detects, in order to avoid omission, dot spacing is according to the size of garbage pool and suspicious factor settings such as seepage situation, usually between 0.5-5m, suspicious more location detection point is close more, perhaps earlier rough the detection, and discovery is can the position intensive again adopts a detection.
Preferably described detection to humidity utilizes seepage searching instrument to carry out.And Humidity Detection is to utilize seepage searching instrument to detect the soil 7 of antiseepage lining 5 bottoms or the humidity of clay 6.Because antiseepage lining 5 bottoms are enclosed environments of isolated basically external condition, therefore, the humidity of its soil 7 or clay 6 is relatively stable, when leaking into antiseepage lining 5 bottoms as rainwater or percolate, the humidity of soil 7 and clay 6 change understand more obvious.Simultaneously this also be consider refuse landfill usually can the spot under the dilutional hyponatremia reverse osmosis determine to the experience of antiseepage lining 5.Can also be that described Humidity Detection is behind the rain or waters and carry out afterwards.Usually because the such extensive construction in garbage loading embeading pond all need be for a long time, so the scene has all lived through rainfall usually when detecting, directly detection gets final product.But consider that under situations such as the extreme drought humidity of materials of antiseepage lining about in the of 5 may almost consistent situation, still can adopt the method for watering, water certainly and rainfall after be to wait for a period of time, treat the water body seepage.Perhaps under normal circumstances also can suitably water or by the time detect behind the rain, can increase the difference degree of humidity of materials like this, be convenient to detect.
As for described its operation principle of seepage searching instrument is to carry out the electrical impedance test, the different humidity of materials that detect of its electrical impedance of material according to different humidity, the low frequency that sends by the probe that is provided with on the instrument base during test, harmless signal, when signal passes the measured material surface, be deep into material internal, the darkest 75mm that reaches of detectable signal.The depth location at the material place of Tan Ceing is as required selected the power gear of equipment, and the signal that equipment sent can detect the humidity of materials numerical value of respective depth.Detection does not injure antiseepage lining 5 like this, does not need to push aside padded coaming etc. yet, so its operation is very simple, and accuracy of detection is also very high.Especially be fit to the present invention after laying padded coaming to antiseepage lining 5 detection.
Claims (7)
1. a garbage loading embeading processing method comprises and lays the antiseepage lining and lay padded coaming on the antiseepage lining, and then landfill waste, it is characterized in that: the integrity and the continuity that detect the antiseepage lining after described padded coaming is laid.
2. a kind of garbage loading embeading processing method according to claim 1 is characterized in that: described detection to the antiseepage lining was carried out before garbage loading embeading.
3. a kind of garbage loading embeading processing method according to claim 1 is characterized in that: described padded coaming comprises argillic horizon and metalling from down to up successively, and described detection is laid at argillic horizon and metalling and carried out after finishing.
4. a kind of garbage loading embeading processing method according to claim 1 is characterized in that: described detection comprises the humidity of materials above and/or under the detection antiseepage lining, analyzes the testing result of humidity then and determines whether the antiseepage lining is intact.
5. a kind of garbage loading embeading processing method according to claim 4 is characterized in that: described detection utilizes seepage searching instrument to carry out.
6. a kind of garbage loading embeading processing method according to claim 4 is characterized in that: described Humidity Detection is to utilize seepage searching instrument to detect the soil of antiseepage lining bottom or the humidity of clay.
7. a kind of garbage loading embeading processing method according to claim 4 is characterized in that: described Humidity Detection is behind the rain or waters and carry out afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033543 CN102179393A (en) | 2011-01-30 | 2011-01-30 | Method for landfill treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033543 CN102179393A (en) | 2011-01-30 | 2011-01-30 | Method for landfill treatment |
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| CN102179393A true CN102179393A (en) | 2011-09-14 |
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| CN 201110033543 Pending CN102179393A (en) | 2011-01-30 | 2011-01-30 | Method for landfill treatment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966123A (en) * | 2012-11-29 | 2013-03-13 | 河海大学 | Double-layer clay liner for preventing seepage and resisting compression at bottom of refuse landfill |
| CN103758156A (en) * | 2011-12-27 | 2014-04-30 | 杭州中钦环保工程有限公司 | Method for paving non-woven geotechnical cloths in refuse landfill |
| CN106552806A (en) * | 2016-11-16 | 2017-04-05 | 湖南省园林建设有限公司 | Solid waste stacks field method for innocent treatment |
| CN107626709A (en) * | 2017-09-22 | 2018-01-26 | 南京律智诚专利技术开发有限公司 | A kind of solar power generation mineralized waste packed bed |
| CN108000983A (en) * | 2017-12-04 | 2018-05-08 | 同济大学 | It is a kind of for the refuse landfill pad system locally settled |
| CN109736358A (en) * | 2018-12-29 | 2019-05-10 | 北京京水建设集团有限公司 | A kind of construction method of antiseepage conditioning tank |
| CN111350209A (en) * | 2018-12-24 | 2020-06-30 | 葛洲坝中固科技股份有限公司 | Curing agent-silt soil mixed cushion layer for site anti-seepage treatment |
| CN114951201A (en) * | 2022-05-17 | 2022-08-30 | 重庆三鑫环保标志有限公司 | Anti-seepage method and anti-seepage treatment device for refuse landfill |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758156A (en) * | 2011-12-27 | 2014-04-30 | 杭州中钦环保工程有限公司 | Method for paving non-woven geotechnical cloths in refuse landfill |
| CN102966123A (en) * | 2012-11-29 | 2013-03-13 | 河海大学 | Double-layer clay liner for preventing seepage and resisting compression at bottom of refuse landfill |
| CN106552806A (en) * | 2016-11-16 | 2017-04-05 | 湖南省园林建设有限公司 | Solid waste stacks field method for innocent treatment |
| CN107626709A (en) * | 2017-09-22 | 2018-01-26 | 南京律智诚专利技术开发有限公司 | A kind of solar power generation mineralized waste packed bed |
| CN108000983A (en) * | 2017-12-04 | 2018-05-08 | 同济大学 | It is a kind of for the refuse landfill pad system locally settled |
| CN108000983B (en) * | 2017-12-04 | 2019-12-27 | 同济大学 | Landfill liner system for local settlement |
| CN111350209A (en) * | 2018-12-24 | 2020-06-30 | 葛洲坝中固科技股份有限公司 | Curing agent-silt soil mixed cushion layer for site anti-seepage treatment |
| CN109736358A (en) * | 2018-12-29 | 2019-05-10 | 北京京水建设集团有限公司 | A kind of construction method of antiseepage conditioning tank |
| CN114951201A (en) * | 2022-05-17 | 2022-08-30 | 重庆三鑫环保标志有限公司 | Anti-seepage method and anti-seepage treatment device for refuse landfill |
| CN114951201B (en) * | 2022-05-17 | 2023-11-14 | 重庆三鑫环保标志有限公司 | Anti-leakage method and anti-leakage treatment device for refuse landfill |
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