CN101967835A - Landfill anti-seepage system, landfill structure and landfill method - Google Patents
Landfill anti-seepage system, landfill structure and landfill method Download PDFInfo
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- CN101967835A CN101967835A CN2009100898856A CN200910089885A CN101967835A CN 101967835 A CN101967835 A CN 101967835A CN 2009100898856 A CN2009100898856 A CN 2009100898856A CN 200910089885 A CN200910089885 A CN 200910089885A CN 101967835 A CN101967835 A CN 101967835A
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- control system
- seepage control
- seepage
- landfill
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Abstract
The invention discloses an anti-seepage system and a landfill structure. The anti-seepage system is applied to landfills, and comprises an anti-seepage layer, a liquid and gas flow guide layer and a pre-drained liquid filtering layer, wherein the anti-seepage layer is a waterproof breathable granular layer; the liquid and gas flow guide layer is arranged above the anti-seepage layer; and the pre-drained liquid filtering layer is arranged above the liquid and gas flow guide layer and is a permeable brick layer. The landfill structure comprises an underground soil layer, the anti-seepage system, a waste layer and an earth surface soil layer, wherein the anti-seepage system is laid on the underground soil layer; the waste layer is positioned on the anti-seepage system; and the earth surface soil layer is embedded above the waste layer. Water-proof breathable sand is used as a main anti-seepage material, the water-proof breathable sand has water-proof breathable function, solves the problems that waste produces toxic gas and prevents soil and underground water from being polluted by percolate; and the anti-seepage material is a flexible material, does not produce cracks under the action of shearing force of the stratum and can effectively keep the anti-seepage effect.
Description
Technical field
The present invention relates to the garbage loading embeading technical field, relate in particular to a kind of seepage control system, garbage loading embeading structure and waste landfill method that is used for garbage loading embeading.
Background technology
Along with developing rapidly of urbanization process, supervene a large amount of junks.In the following crisis of world authority scientists prediction, garbage problem is listed impressively.A large amount of rubbish is to the seriously polluted life that affects the mankind of the broken ring and the environment of ecology.Processing for rubbish, the main mode that comprises the overwhelming majority of countries garbage disposal of China at present is sanitary landfills, but most of refuse landfills are simpler and cruder, the seepage control system performance is not good, the landfill gas guiding systems that does not have specialty, the percolate that rubbish produces has caused serious pollution to soil and water body, and freely being emitted on when having caused potential safety hazard to landfill yard of landfill gas, and atmospheric ozone layer is also caused damage; The landfill technology that part is complicated, cost is higher, and the seepage control technique drawback is not still effectively solved.
At present, a kind of in the impervious material is to adopt natural materials antiseepage lining, as clay antiseepage lining, and clay and sodium bentonite mixing antiseepage lining and asphalt concrete seepage prevention lining etc.; Another kind is to adopt synthetic material antiseepage lining, is generally vinyl chloride, rubber system, ethene system and geotechnological synthesis of clay liner etc.It is rare that these impervious materials consume the thing ore deposit, and anti-fragility is poor, and crushing resistance is not strong, and it is loaded down with trivial details to construct, and the back of losing efficacy easily forms secondary pollution.
Existing impervious material adopts the macromolecule geomembrane more, for example, Chinese patent (publication number: CN201033869) proposed a kind of machine-weaving non-waving composite geomembrane that can be applicable to garbage loading embeading factory, this geomembrane has three layers at least, the upper strata is an adhesive-bonded fabric, bottom is a woven fabric, and the intermediate layer is a plastic film.The upper strata adhesive-bonded fabric is composited by extruded polymer fusion, crimping bonding between bottom woven fabric and the intermediate layer plastic film.Adhesive-bonded fabric is acupuncture or hot sticky polymeric staple fiber dimension chemical material.Woven fabric is the chemical-fibres filaments woven fabric.Plastic film is diaphragms such as PVC, PE, HDPE, LDPE, EVA.Proportion is little, extensibility is strong though this machine-weaving non-waving composite geomembrane has, the characteristics of corrosion-resistant, powerful high, good frost resistance, be easy to be pierced through because geomembrane is thin by sharp object; In addition, be mixed with the impervious material that bentonitic composite earth is done, maximum weak point is exactly that composite earth produces the crack equally, particularly has stability problem when using on side slope when ground is subjected to shear strain generation crack.
At the problem that prior art exists, correlative technology field needs a kind of good seepage-proof property and the lasting garbage loading embeading station-service seepage control system of cracky anti-seepage effect not.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of seepage control system, garbage loading embeading structure and waste landfill method that is used for garbage loading embeading, to solve the defective of the not good and antiseepage lastingly of impervious material anti-seepage effect in the prior art.
For achieving the above object, the invention provides a kind of seepage control system, be applied to garbage loading embeading factory, comprising: an impervious barrier, this impervious barrier are the waterproof and breathable stratum granulosum; And a liquid, gas flow guiding layer, place described impervious barrier top.
Preferably, this seepage control system also comprises a pre-discharge opeing filtration beds, be arranged at this liquid, gas flow guiding layer top, and this pre-discharge opeing filtration beds is permeable brick layer.
Preferably, also comprise: a bonding leveling layer is arranged between described liquid, gas flow guiding layer and the described pre-discharge opeing filtration beds; And two geotechnological layer of cloths, be arranged between described bonding leveling layer and described liquid, the gas flow guiding layer respectively and between described liquid, gas flow guiding layer and the described impervious barrier.
Preferably, described waterproof and breathable stratum granulosum is laid by the waterproof and breathable particle and is formed, and described waterproof and breathable particle comprises aggregate and coats the lyophobic dust of aggregate.
Preferably, described aggregate is one or more in quartz sand, slag, haydite or the glass microballoon, and its particle diameter is the 6-300 order.
Preferably, described lyophobic dust is the hydrophobic resin film, and described hydrophobic resin film is by one or more films that form in hydrophobicity epoxy resin, phenolic resins, polyurethane resin and the silicones.
Wherein, described lyophobic dust comprises any one or its combination in polytetrafluoroethylene (PTFE), vegetable oil, copper silicon, siloxanes, hydrocarbon and the combined polymerization Vingon.
Wherein, described hydrocarbon comprises any one or its combination in paraffin, kerosene, diesel oil, crude oil, petroleum distillate, solvent naphtha and the aliphatic solvents.
Wherein, described lyophobic dust is for being coated on the described particles of aggregates, and described lyophobic dust is coated on method on the described particles of aggregates for spraying, dipping or soak particles of aggregates apply particles of aggregates with chemistry in the liquid solution of lyophobic dust; Perhaps be coated in the particles of aggregates for the thin-film sheet of using hydrophobic material; Perhaps for the fusion lyophobic dust to particles of aggregates; Perhaps the mode for plating, plasma spraying, sputter, fluidisation and powder coated is coated to lyophobic dust on the particles of aggregates.
Preferably, described liquid, gas flow guiding layer are layer of gravel, and be laid with percolate conduction pipe and gas delivery passage in the described layer of gravel, described percolate flow-guiding channel is connected to sewage-treatment plant, and described gas delivery passage is connected to biogas jar or gas recycle device.
Preferably, described permeable brick layer is laid by permeable brick and is formed, and the brick body portion of described permeable brick includes the cementing agent of aggregate and bonding aggregate, includes hydrophilic agglomerant in the described cementing agent at least.
Preferably, described hydrophilic resin cementing agent is one or more in epoxy resin, polyurethane and the acrylic resin; Molecular side chain in above-mentioned epoxy resin, polyurethane and the acrylic resin contains hydrophilic carboxylate, sulfonate, ammonium salt, hydroxyl or main chain and contains the non-ionic hydrophilic segment.
And for achieving the above object, the present invention also provides a kind of garbage loading embeading structure, comprising:
The underground layer;
Above-mentioned seepage control system is layed on the described underground layer;
Waste layer is positioned on the described seepage control system; And
The surface soil layer, landfill is in described waste layer top.
And for achieving the above object, the present invention proposes a kind of waste landfill method, may further comprise the steps:
Step 1: the garbage loading embeading that is used for landfill waste in mine working one is cheated, and exposes the underground layer;
Step 2: on the underground layer, lay above-mentioned seepage control system;
Step 3: the pending rubbish of landfill on this seepage control system;
Step 4: to cover rubbish, form the surface soil layer in rubbish surface fill soil.
The present invention adopts waterproof and breathable sand as the antiseepage main material, has the waterproof and breathable function, has both solved rubbish and has produced the toxic gas problem, can play percolate contaminated soil and the phreatic problem of preventing again; And this impervious material is a flexible material, can not produce slight crack under the shearing force effect of stratum, can effectively keep the antiseepage effect; In addition, lay the percolate conduction pipe in liquid, the gas flow guiding layer, be connected to sewage-treatment plant, the solid waste gas delivery passage of laying is sent to landfill factory biogas jar or gas recycle device with gas, can effectively control the pollution to environment and soil of percolate and solid waste gas like this; And permeable brick layer and bonding leveling layer can play the effect of certain filtration, purification to percolate, can reduce the difficulty and the expense of subsequent processes.
Description of drawings
Fig. 1 is a preferred embodiment schematic diagram of the application's seepage control system;
Fig. 2 is another preferred embodiment schematic diagram of the application's seepage control system;
Fig. 3 is the another preferred embodiment schematic diagram of the application's seepage control system;
Fig. 4 is the preferred embodiment schematic diagram of the application's garbage loading embeading structure;
Fig. 5 is the block diagram of waste landfill method of the present invention.
Wherein, Reference numeral:
1, waste layer 2, pre-discharge opeing filtration beds
3, bonding leveling layer 4, geotechnological layer of cloth
5, liquid, gas flow guiding layer 6, impervious barrier
7, underground layer 7 ', surface soil layer
8, liquid guide flow passage 9, gas delivery passage
10, seepage control system
The specific embodiment
The present invention proposes a kind of impervious material---the waterproof and breathable particle, and combine the seepage control system that has formed garbage loading embeading factory with permeable brick etc. according to its characteristic.
Below in conjunction with accompanying drawing garbage loading embeading seepage control system of the present invention, garbage loading embeading structure and waste landfill method are described.
Fig. 1 is a preferred embodiment schematic diagram of the application's seepage control system, as shown in Figure 1, and this seepage control system, be applied to comprise in the garbage loading embeading factory: an impervious barrier 6, this impervious barrier 6 is the waterproof and breathable stratum granulosum, and a liquid, gas flow guiding layer 5, place described impervious barrier 6 tops.
Fig. 2 is another preferred embodiment schematic diagram of the application's seepage control system, as shown in Figure 2, with embodiment illustrated in fig. 1 different be: this seepage control system also comprises a pre-discharge opeing filtration beds 2, is arranged at this liquid, gas flow guiding layer 5 top, and this pre-discharge opeing filtration beds 2 is permeable brick layer.
Fig. 3 is a preferred embodiment schematic diagram again of the application's seepage control system, as shown in Figure 3, with embodiment illustrated in fig. 2 different be: this seepage control system also comprises a bonding leveling layer 3 and two geotechnological layer of cloths 4,4 ', described bonding leveling layer 3 is arranged between described liquid, gas flow guiding layer 5 and the described pre-discharge opeing filtration beds 2, described two geotechnological layer of cloths 4,4 ' are arranged at respectively between described bonding leveling layer 3 and described liquid, the gas flow guiding layer 5 and between described liquid, gas flow guiding layer 5 and the described impervious barrier 6.
Wherein, in above-mentioned each preferred embodiment; described waterproof and breathable stratum granulosum is laid by the waterproof and breathable particle and is formed; described waterproof and breathable particle comprises aggregate and coats the lyophobic dust of aggregate; described aggregate is preferably one or more in quartz sand, slag, haydite or the glass microballoon; its particle diameter is preferably the 6-300 order, and the quality of described lyophobic dust accounts for the 1-8% of aggregate quality.Wherein, preferred quartz sand particle in the present invention.
And preferably, described lyophobic dust is the hydrophobic resin film, and described hydrophobic resin film is by one or more films that form in hydrophobicity epoxy resin, phenolic resins, polyurethane resin and the silicones.Described hydrophobicity epoxy resin is the glycidol ether based epoxy resin, the ethylene oxidic ester based epoxy resin, the glycidol amine epoxy resin, line style aliphatic category epoxy resin, alicyclic based epoxy resin, polysulfide-rubber-modified epoxy, the polyamide modified epoxy, polyvinyl alcohol uncle butyraldehyde modified epoxy, acrylonitrile butadiene rubber modified epoxy resin, phenolic resin modified epoxy resin, the mylar modified epoxy, urine aldehyde melmac modified epoxy, the furfural resin modified epoxy, the vinyl modified epoxy, in isocyanate modified epoxy resin or the silicones modified epoxy one or more; Described hydrophobicity phenolic resins is one or more in dimethylbenzene phenol-formaldehyde resin modified, epoxy resin modification phenolic resins or the organic silicon modified phenolic resin.
And hydrophobic resin as previously discussed can obtain by following method modification, and concrete method of modifying is:
With epoxy resin, as phthalic anhydride or maleic anhydride, with oil-soluble monomer copolymerization, described oil-soluble monomer is: alkyl acrylate, alkyl methacrylate, any in ethylacrylic acid, vinylacetate, allyl acetate, sodium vinyl sulfonate, methyl vinyl ether, methallyl ether, dimethylaminoethyl methacrylate, dimethylaminoethyl acrylate, acrylic acid dimethylamino propyl ester, acrylic acid lignocaine propyl ester, acrylic acid dimethylamino butyl ester, dimethylaminoethyl methacrylate, the diethylaminoethyl methacrylate.
Perhaps, also the epoxy resin graft modification can be formed graft polymers; With the hydrophilic radical of epoxy resin, as hydroxyl, react with hydrophobic function monomer, it is connect; Hydrophobic function monomer is: benzaldehyde, alkylbenzene formaldehyde (a big class) utilizes the reaction of hydroxyl and aldehyde radical.
Perhaps, also epoxy resin can be carried out substitution reaction, under the catalytic reaction of illumination, participate in substitution reaction, halogen be received above the epoxy resin, to improve hydrophobic performance with chlorine.
In addition, can contain curing compound in the described hydrophobic resin film, and, add different curing compound for different resins, wherein, the selection of curing compound is specific as follows:
For the glycidol ether based epoxy resin, the ethylene oxidic ester based epoxy resin, the glycidol amine epoxy resin, line style aliphatic category epoxy resin, alicyclic based epoxy resin, polysulfide-rubber-modified epoxy, the polyamide modified epoxy, polyvinyl alcohol uncle butyraldehyde modified epoxy, acrylonitrile butadiene rubber modified epoxy resin, phenolic resin modified epoxy resin, the mylar modified epoxy, urine aldehyde melmac modified epoxy, the furfural resin modified epoxy, the vinyl modified epoxy, isocyanate modified epoxy resin or silicones modified epoxy, preferable curing compound are fatty amine, aliphatic cyclic amine, aromatic amine, polyamide, acid anhydrides, in the tertiary amine any or several;
For dimethylbenzene phenol-formaldehyde resin modified, epoxy resin modification phenolic resins or organic silicon modified phenolic resin, preferable curing compound is a hexamethylenetetramine;
For organic siliconresin, preferable curing compound is dibutyl tin dilaurate or N, N, N ', any in N ' the tetramethyl guanidinesalt or several;
For the hydrophobicity polyurethane resin, its curing compound is the addition product of TDI and TMP, the tripolymer of the prepolymer of TDI and hydroxyl component and the agent of one-component moisture solidification, TDI.
And lyophobic dust of the present invention can also be any one or its combination in polytetrafluoroethylene (PTFE), vegetable oil, copper silicon, siloxanes, hydrocarbon and the combined polymerization Vingon.Preferably, described hydrocarbon comprises any one or its combination in paraffin, kerosene, diesel oil, crude oil, petroleum distillate, solvent naphtha and the aliphatic solvents.
Wherein, described lyophobic dust is for being coated on the described particles of aggregates, and described lyophobic dust is coated on method on the described particles of aggregates for spraying, dipping or soak particles of aggregates apply particles of aggregates with chemistry in the liquid solution of lyophobic dust; Perhaps be coated in the particles of aggregates for the thin-film sheet of using hydrophobic material; Perhaps for the particles of aggregates with heating is positioned in the lyophobic dust, the fusion lyophobic dust is to particles of aggregates; Perhaps the mode for plating, plasma spraying, sputter, fluidisation and powder coated is coated to lyophobic dust on the particles of aggregates.
In addition, need to prove: each side explanations such as the composition of employed waterproof and breathable particle and performance are at the applicant's Chinese patent (application number: made more detailed description as hydrophobic granule 200910203463.7) among the present invention, this patent no longer repeats in the lump as technology contents disclosed in this invention herein.
Seepage control system of the present invention adopts the material of above-mentioned waterproof and breathable particle as impervious barrier, this material good seepage-proof property, and be the fluidised form material, plasticity is strong, and easy construction can not change or freezing influence destroys because of geology, and, this impervious material is a flexible material, can not produce slight crack under the shearing force effect of stratum, can effectively keep the antiseepage effect.In addition, good permeability in the time of its antiseepage, effectively air conservation.
And described permeable brick layer 2 is laid by permeable brick and is formed, and the brick body portion of described permeable brick includes the cementing agent of aggregate and bonding aggregate, includes hydrophilic agglomerant in the described cementing agent at least.Preferably, described hydrophilic resin cementing agent is one or more in epoxy resin, polyurethane and the acrylic resin; Molecular side chain in above-mentioned epoxy resin, polyurethane and the acrylic resin contains hydrophilic carboxylate, sulfonate, ammonium salt, hydroxyl or main chain and contains the non-ionic hydrophilic segment.And described aggregate also can be in quartz sand, slag, haydite or the glass microballoon one or more; wherein; be preferably quartz sand aggregate; when garbage loading embeading; the percolate that touches the permeable brick of sand base can and infilter liquid guide flow passage in liquid, the gas flow guiding layer at present, and is discharged into sewage-treatment plant by the liquid guide flow passage and handles.And, utilize the permeable brick of this sand base to lay pre-discharge opeing filtration beds the liquid in the rubbish is tentatively filtered, it is oozed under smoothly, reduced the difficulty of follow-up sewerage treatment.In addition, because permeable brick intensity is very high, in the process of garbage disposal, can utilize directly directly extruding on pre-discharge opeing filtration beds of extrusion equipment.
Wherein, described liquid, gas flow guiding layer 5 are layer of gravel, and be laid with percolate conduction pipe 8 and gas delivery passage 9 in the described layer of gravel, described percolate flow-guiding channel 8 is connected to sewage-treatment plant, the percolate that infiltrates through pre-discharge opeing filtration beds 2 is discharged smoothly and carries out respective handling.Described gas delivery passage 9 is connected to biogas jar or gas recycle device, makes that the gas that discharges in the rubbish can obtain handling and recycling.
And, form supporting protection system by above-mentioned layer of gravel and various gas, liquid pipeline and geotechnological layer of cloth, play the effect of protection impervious barrier and important pipeline.
In addition, the invention allows for the garbage loading embeading structure of using above-mentioned seepage control system, it is before garbage loading embeading, underground seepage control system of the present invention is set, and rubbish is thrown on this seepage control system, then, lay soil on rubbish, it is underground to make rubbish be embedded in.Fig. 4 is the preferred embodiment schematic diagram of the application's garbage loading embeading structure, as shown in Figure 4, this garbage loading embeading structure comprises: underground layer 7, seepage control system 10, waste layer 1 and surface soil layer 7 ', and wherein, this seepage control system 10 is layed on the described underground layer 7; Shown in waste layer 1 throw on described seepage control system 10; Described surface soil layer 7 ' landfill is in described waste layer 1 top.
Wherein, what the seepage control system 10 in the foregoing description adopted is above-mentioned seepage control system embodiment illustrated in fig. 3, certainly, this garbage loading embeading structure is not limited, it can also adopt Fig. 1 or seepage control system shown in Figure 2, or the seepage control system of relevant simple deformation, can realize purpose of the present invention.
Fig. 5 is the block diagram of waste landfill method of the present invention, and as shown in Figure 5, waste landfill method of the present invention may further comprise the steps:
Step 1: the garbage loading embeading that is used for landfill waste in mine working one is cheated, and exposes the underground layer;
Step 2: on the underground layer, lay above-mentioned seepage control system;
Step 3: the pending rubbish of landfill on this seepage control system;
Step 4: to cover rubbish, form the surface soil layer in rubbish surface fill soil.
Wherein, the step of the system of oozing that sets up defences in underground layer upper berth in the step 2 is for laying the different deck of above-mentioned seepage control system, when adopting the seepage control system of Fig. 1, at first lays the ventilative layer of sand of waterproof on the underground layer, then, on the waterproof and breathable layer of sand, lay liquid, gas flow guiding layer.If adopt seepage control system shown in Figure 2, then to also on liquefied gas water conservancy diversion layer, lay permeable brick layer.When adopting seepage control system shown in Figure 3, also need to lay a bonding leveling layer 3 and two geotechnological layer of cloths 4,4 ', wherein, described bonding leveling layer 3 is layed between described liquid, gas flow guiding layer 5 and the described permeable brick layer, described two geotechnological layer of cloths 4,4 ' are layed in respectively between described bonding leveling layer 3 and described liquid, the gas flow guiding layer 5 and between described liquid, gas flow guiding layer 5 and the described waterproof and breathable layer of sand.
Effect of the present invention:
1) waterproof and breathable sand has the waterproof and breathable function as the antiseepage main material, to the low not even infiltration of water permeability, has both solved anti-the sealing of rubbish and has produced the toxic gas problem, can play percolate contaminated soil and the phreatic problem of preventing again; And this impervious material is a flexible material, can not produce slight crack under the shearing force effect of stratum, can effectively keep the antiseepage effect; In addition, waterproof and breathable sand also has the characteristic of acid-fast alkali-proof, and long service life can be adjusted service life flexibly according to impervious barrier thickness; And waterproof and breathable sand is the energy-conserving and environment-protective material, can recycle, and has evaded the shortcoming of conventional impervious material; In addition, utilize the drift-sand in the desert to solve garbage loading embeading antiseepage problem, realized that drift-sand turns harm into good, turn waste into wealth.
2) liquid, gas flow guiding layer are laid by layer of gravel and are formed, and lay the percolate conduction pipe in the layer of gravel, are connected to sewage-treatment plant; The solid waste gas delivery passage of laying is sent to landfill factory biogas jar or gas recycle device with gas, can effectively control the pollution to environment and soil of percolate and solid waste gas like this.
3) permeable brick layer and bonding leveling layer can play the effect of certain filtration, purification to percolate, can reduce the difficulty and the expense of subsequent processes.
4) system has concurrently and prevents blending airing function, and the impervious barrier crushing resistance is strong, sand body intensity height; System can realize effectively preventing the soil pollution of landfill yard stratum, anti-groundwater pollution, anti-air pollution; And, when mating formation, common impervious barrier need brush the gummed material, clean, complex operations such as welding, and the native system construction is simple, and easy to operate, working security height, product price ratio height.
5) rubbish can change the character of soil.Usually landfill waste all will be embedded in rubbish at least 3 meters depth of soils, so basically, the soil of landfill waste can't be planted.Usually want soil restoration that a slice landfill crosses rubbish to planting, need the time about 5 years usually, so rubbish is very large to the infringement of soil.But the present invention can carry out the soil plantation fully with the waterproof and breathable sand layer that properly protects on the rubbish top layer, upper strata.
6) to urban environment protection, beautifying city image, the living environment of reduce urban refuse pollution, improving people has certain promote significance.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (14)
1. a seepage control system that is used for garbage loading embeading is characterized in that, comprising:
One impervious barrier, this impervious barrier are the waterproof and breathable stratum granulosum; And
One liquid, gas flow guiding layer place the top of described impervious barrier.
2. seepage control system according to claim 1 is characterized in that, also comprises a pre-discharge opeing filtration beds, be arranged at this liquid, gas flow guiding layer top, and this pre-discharge opeing filtration beds is permeable brick layer.
3. seepage control system according to claim 2 is characterized in that, also comprises:
One bonding leveling layer is arranged between described liquid, gas flow guiding layer and the described pre-discharge opeing filtration beds; And
Two geotechnological layer of cloths are arranged between described bonding leveling layer and described liquid, the gas flow guiding layer respectively and between described liquid, gas flow guiding layer and the described impervious barrier.
4. seepage control system according to claim 1 is characterized in that, described waterproof and breathable stratum granulosum is laid by the waterproof and breathable particle and formed, and described waterproof and breathable particle comprises aggregate and coats the lyophobic dust of aggregate.
5. seepage control system according to claim 4 is characterized in that, described aggregate is one or more in quartz sand, slag, haydite or the glass microballoon, and its particle diameter is the 6-300 order.
6. seepage control system according to claim 4 is characterized in that, described lyophobic dust is the hydrophobic resin film, and described hydrophobic resin film is by one or more films that form in hydrophobicity epoxy resin, phenolic resins, polyurethane resin and the silicones.
7. seepage control system according to claim 4 is characterized in that, described lyophobic dust comprises any one or its combination in polytetrafluoroethylene (PTFE), vegetable oil, copper silicon, siloxanes, hydrocarbon and the combined polymerization Vingon.
8. seepage control system according to claim 7 is characterized in that, described hydrocarbon comprises any one or its combination in paraffin, kerosene, diesel oil, crude oil, petroleum distillate, solvent naphtha and the aliphatic solvents.
9. seepage control system according to claim 7, it is characterized in that, described lyophobic dust is for being coated on the described particles of aggregates, and described lyophobic dust is coated on method on the described particles of aggregates for spraying, dipping or soak particles of aggregates apply particles of aggregates with chemistry in the liquid solution of lyophobic dust; Perhaps be coated in the particles of aggregates for the thin-film sheet of using hydrophobic material; Perhaps the fusion lyophobic dust is to particles of aggregates; Perhaps the mode for plating, plasma spraying, sputter, fluidisation and powder coated is coated to lyophobic dust on the particles of aggregates.
10. seepage control system according to claim 1, it is characterized in that, described liquid, gas flow guiding layer are layer of gravel, and be laid with percolate conduction pipe and gas delivery passage in the described layer of gravel, described percolate flow-guiding channel is connected to sewage-treatment plant, and described gas delivery passage is connected to biogas jar or gas recycle device.
11. seepage control system according to claim 2 is characterized in that, described permeable brick layer is laid by permeable brick and is formed, and the brick body portion of described permeable brick includes the cementing agent of aggregate and bonding aggregate, includes hydrophilic agglomerant in the described cementing agent at least.
12. seepage control system according to claim 11 is characterized in that, described hydrophilic resin cementing agent is one or more in epoxy resin, polyurethane and the acrylic resin; Molecular side chain in above-mentioned epoxy resin, polyurethane and the acrylic resin contains hydrophilic carboxylate, sulfonate, ammonium salt, hydroxyl or main chain and contains the non-ionic hydrophilic segment.
13. a garbage loading embeading structure is characterized in that, comprising:
The underground layer;
The described seepage control system of claim 1～12 is layed on the described underground layer;
Waste layer is positioned on the described seepage control system; And
The surface soil layer, landfill is in described waste layer top.
14. a waste landfill method is characterized in that, may further comprise the steps:
Step 1: the garbage loading embeading that is used for landfill waste in mine working one is cheated, and exposes the underground layer;
Step 2: the seepage control system of on the underground layer, laying claim 1～12;
Step 3: the pending rubbish of landfill on this seepage control system;
Step 4: to cover rubbish, form the surface soil layer in rubbish surface fill soil.
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