CN113000540A - Anti-seepage method and anti-seepage treatment device for refuse landfill - Google Patents
Anti-seepage method and anti-seepage treatment device for refuse landfill Download PDFInfo
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- CN113000540A CN113000540A CN202110259558.1A CN202110259558A CN113000540A CN 113000540 A CN113000540 A CN 113000540A CN 202110259558 A CN202110259558 A CN 202110259558A CN 113000540 A CN113000540 A CN 113000540A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 25
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 25
- 238000010276 construction Methods 0.000 claims abstract description 19
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 16
- 239000000440 bentonite Substances 0.000 claims abstract description 16
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000005056 compaction Methods 0.000 claims abstract description 7
- 238000009412 basement excavation Methods 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 53
- 238000012216 screening Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 11
- 239000004746 geotextile Substances 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241001317177 Glossostigma diandrum Species 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
- B09B1/004—Covering of dumping sites
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
- E02D3/039—Slope rollers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/006—Sealing of existing landfills, e.g. using mining techniques
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an anti-leakage method and an anti-leakage treatment device for a refuse landfill, and relates to the technical field of refuse treatment. The anti-leakage method of the refuse landfill comprises four steps of land selection excavation, slope surface compaction, slope surface construction and refuse landfill. The method has strict requirements during construction, the possibility of damage of the bentonite composite waterproof blanket or the high-density polyethylene geomembrane during construction can be directly reduced, the anti-leakage effect is effectively guaranteed, the steps are simple, and the device is convenient to popularize and use.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to an anti-leakage method and an anti-leakage treatment device for a garbage landfill.
Background
The landfill site is generally a place for disposing garbage by adopting a landfill method, is generally arranged in a region far away from a residential area, and is required to be a wide place or a deep pit, then the garbage is buried into soil, the inner surface of the soil is covered with a soil layer for covering soil to build the ground and protecting the environment, but the existing part of the landfill site leakage prevention method has some problems, a geomembrane is easy to be damaged in the construction process, and serious consequences can be caused once the damage is found out, for example, a patent with the publication number of CN1316243C is mainly to detect and innovate in time according to leakage prevention, but how the geomembrane is constructed is not specifically described, and a leakage prevention treatment device specially constructed according to the geomembrane is not arranged in the market, so the landfill site leakage prevention method and the leakage prevention treatment device are provided.
Disclosure of Invention
The present invention aims at providing an anti-seepage method for refuse landfill and an anti-seepage treatment device thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-leakage method for a refuse landfill comprises the following steps: s1, selecting land and digging: planning the size of the anti-seepage engineering construction according to the quantity of the required landfill garbage, then selecting the land according to the size, wherein the land selection requires the terrain with strong water drainage capability for facilitating construction, avoids the depression as much as possible, immediately excavates by using an excavator, and requires that the soil pit is bowl-shaped;
s2, slope surface compaction: compacting the bowl-shaped soil pit generated after excavation in the S1 by using a compactor, wherein sharp foreign matters such as stones and glass slag are required to be removed in the compacting process, so that the surface of the bowl-shaped soil pit is ensured not to have sharp foreign matter residues, then filling a percolate guide and drainage blind ditch pipeline at the bottom of the bowl-shaped soil pit, mounting one end of the percolate guide and drainage blind ditch pipeline to a proper position, then laying soil on the percolate guide and drainage blind ditch pipeline again, compacting by using the compactor again, and detecting after compaction;
s3, slope construction: preparing a plurality of bentonite composite waterproof blankets, high-density polyethylene geomembranes and non-woven geotextiles, wherein the thickness of the high-density polyethylene geomembrane is required to be 2mm, then uniformly paving a layer of fine sand on the surface of the bowl-shaped soil pit, wherein the paving thickness of the fine sand is required to be 20mm, then paving the bentonite composite waterproof blankets on the fine sand, then paving a layer of soil on the bentonite composite waterproof blankets, thereby forming a first mud cushion layer, then paving the high-density polyethylene geomembrane on the surface of the first mud cushion layer, then paving a second mud cushion layer on the high-density polyethylene geomembrane, wherein the thickness of the first mud cushion layer and the thickness of the second mud cushion layer are required to be 25mm, and requiring the non-woven geotextile to be paved on the second mud cushion layer and then burying with the soil;
s4, landfill: and (3) placing the garbage to be buried into a crushing device for crushing, collecting and uniformly adding the garbage to the pit in S3, and then burying the garbage by using soil to obtain the anti-leakage method of the garbage landfill.
Preferably, the bowl-shaped soil pit in the step S2 is detected after being compacted, and the detection is performed to ensure that the surface of the bowl-shaped soil pit is sufficiently flat, free of cracks, obvious sharp protrusions, muddy and depression, so as to make a bedding for laying the high-density polyethylene geomembrane.
Preferably, when the first mud mat layer and the second mud mat layer in S3 are laid, the step of heating and screening the mud is required, the heating temperature is 110 ℃, and not only is the mud sufficiently dried, but also foreign matters such as stones, rubbles, glass chips cannot exist, and then the mud can be laid, so that the situation that the high-density polyethylene geomembrane is pierced by the foreign matters is avoided.
Preferably, when the high-density polyethylene geomembrane is laid in the step S3, the geomembrane is required to extend from the bottom of the bowl-shaped soil pit to a high position, the stretching cannot be too tight, and 1.50% of extra width is reserved for local sinking and stretching, so that welding seams, particularly cross welding seams, are reduced as much as possible in the construction process, and dead folds are not required to be pressed out, so that the integrity of the high-density polyethylene geomembrane is guaranteed.
An anti-leakage treatment device of a refuse landfill comprises a bottom plate, wherein two groups of supporting plates are fixedly arranged on the outer surface of the top of the bottom plate, annular blocks are fixedly arranged on the outer surface of the top of the supporting plates, a box body is fixedly arranged on the inner wall of each annular block, belt pulleys are rotatably arranged on the outer wall of one side of the box body and the outer wall of one side of each supporting plate, belts are sleeved on the two groups of belt pulleys, openings through which the belts can pass are formed in the annular blocks, the two groups of belt pulleys are connected through belt transmission, a linkage mechanism is arranged on one side of one group of belts, an installation block is fixedly arranged on the outer surface of the top of the bottom plate, an installation plate is fixedly arranged on the top of the installation block, a screening box is arranged on the top of the installation plate, a sliding groove, the rear side inner wall fixed mounting of spout has the extension spring, the one end of extension spring and slider rear side outer wall fixed connection, the inside of box rotates installs the dwang, the outer wall fixed mounting of box has the rotor arm, the one end of another group of belt pulley extends to in the box and with dwang fixed connection, one side outer wall fixed mounting of box has the supporting shoe, the bottom external surface fixed mounting of supporting shoe has the motor box, the inside fixed mounting of motor box has the motor, the output shaft of motor extends to one side of motor box and with another group of belt pulley fixed connection through the shaft coupling, the top external surface fixed mounting of box has the feeding funnel and communicates with each other rather than inside, the bottom external surface fixed mounting of box has the unloading pipe and communicates with each other rather than inside, be provided with the stop valve on the unloading pipe, the both sides inner wall fixed mounting.
Preferably, the linkage mechanism comprises an eccentric wheel and a linkage block, the eccentric wheel is fixedly connected to the outer wall of one side of the belt pulley, the linkage block is fixedly mounted on the outer wall of one side of the screening box, and the outer wall of the eccentric wheel is in contact with the outer wall of the linkage block, so that screening treatment is conveniently carried out during soil discharging.
Preferably, one side inner wall fixed mounting of box has temperature sensor, and the front side outer wall fixed mounting of box has the display screen, and temperature sensor is connected with the display screen electricity, and the observation window is installed to the front side outer surface of box inlaying, the inside condition of observation box that can be audio-visual.
Preferably, the top surface of feeding funnel articulates there is the apron, and the top fixed mounting of apron has the installation handle, and the louvre has been seted up to the front side outer wall of belt, and the outer wall of louvre is pasted and is fixed with the dust filter screen, reduces being stained with of dust and attaches when the motor heat dissipation.
Compared with the prior art, the invention has the beneficial effects that:
(1) the anti-leakage method of the refuse landfill comprises the steps of selecting the bentonite composite waterproof blanket, the high-density polyethylene geomembrane and the non-woven geotextile from the aspect of raw materials to perform anti-leakage treatment, directly and effectively improving the anti-leakage effect, reducing the possibility that the refuse fermentation liquor flows into underground water, further effectively improving the practicability of the anti-leakage method, and arranging the mud cushion layer and the fine sand, so that the bentonite composite waterproof blanket and the high-density polyethylene geomembrane can be buffered and protected, the condition that the garbage landfill is easily damaged by pressure under the natural environment is reduced, and further the anti-leakage effect is relatively improved.
(2) The anti-leakage method for the refuse landfill has strict requirements during construction, the occurrence of bentonite composite waterproof blankets or high-density polyethylene geomembranes can be directly reduced, the possibility of damage during construction can be reduced, the anti-leakage effect is effectively guaranteed, the landfill safety is relatively improved, the steps are simple, and the method is convenient to popularize and use.
(3) This landfill's antiseep processing apparatus uses through the cooperation of dwang, rotor arm, belt pulley, hot plate and motor, can stir the heating shredding with adding earth, for having made preparation when the geomembrane is laid to the follow-up, avoided earth comparatively moist bury the oppression sense that causes the geomembrane, and then reduced the geomembrane and taken place the damaged condition, the improvement of relativity the effect that the device antiseep was handled, the effectual practicality that has improved.
(4) This landfill's antiseep processing apparatus, pass through the belt pulley, the belt, the eccentric wheel, the linkage piece, the mounting panel, the cooperation of screening case and slider is used, can the kibbling soil of earth screen, conveniently screen the processing with the foreign matter that contains in the soil, can directly will carry out the geomembrane and bury the processing, the problem that the foreign matter that has contained in the soil can impale the geomembrane has been avoided, the effectual intact nature of geomembrane that has ensured, the antiseep effect of geomembrane has been ensured to the relativity, the practicality of the device has been improved, and the device cost is lower, and convenient to popularize and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the mounting plate of the present invention;
FIG. 3 is a left side view of the eccentric of the present invention;
fig. 4 is a front view of the present invention.
In the figure: the automatic feeding device comprises a box body 1, a rotating rod 2, a rotating arm 3, an annular block 4, a supporting plate 5, a belt pulley 6, a belt 7, a linkage mechanism 8, an eccentric wheel 801, a linkage block 802, a mounting block 9, a mounting plate 10, a screening box 11, a sliding block 12, a feeding hopper 13, a feeding pipe 14, a feeding plate 15, a heating plate 16, a motor box 17, a motor 18, a bottom plate 19 and a tension spring 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an anti-leakage method for a refuse landfill comprises the following steps: s1, selecting land and digging: planning the size of the anti-seepage engineering construction according to the quantity of the required landfill garbage, then selecting the land according to the size, wherein the land selection requires the terrain with strong water drainage capability for facilitating construction, avoids the depression as much as possible, immediately excavates by using an excavator, and requires that the soil pit is bowl-shaped;
s2, slope surface compaction: compacting the bowl-shaped soil pit generated after excavation in the S1 by using a compactor, wherein in the compacting process, sharp foreign matters such as stones and glass slag are required to be removed, the surface of the bowl-shaped soil pit is ensured not to have sharp foreign matter residues, then a percolate guide and drainage blind ditch pipeline is filled at the bottom of the bowl-shaped soil pit, one end of the percolate guide and drainage blind ditch pipeline is installed at a proper position, then soil is re-laid on the percolate guide and drainage blind ditch pipeline, the compactor is used again for compacting, detection is carried out after compaction, detection is carried out after the bowl-shaped soil pit is compacted in the S2, and the condition that the surface of the bowl-shaped soil pit is flat enough, free of cracks, free of obvious cusps, free of mud and free of depression is ensured after detection;
s3, slope construction: preparing a plurality of bentonite composite waterproof blankets, high-density polyethylene geomembranes and non-woven geotextiles, wherein the thickness of the high-density polyethylene geomembrane is required to be 2mm, uniformly paving a layer of fine sand on the surface of the bowl-shaped soil pit, the paving thickness of the fine sand is required to be 20mm, paving the bentonite composite waterproof blankets on the fine sand, paving a layer of soil on the bentonite composite waterproof blankets to form a first mud cushion layer, paving the high-density polyethylene geomembrane on the surface of the first mud cushion layer, paving a second mud cushion layer on the high-density polyethylene geomembrane, the thickness of the first mud cushion layer and the thickness of the second mud cushion layer are required to be 25mm, paving the non-woven geotextile on the second mud cushion layer, burying the high-density polyethylene geomembrane with the soil, heating and screening the soil when the first mud cushion layer and the second mud cushion layer are paved in S3, the heating temperature is 110 ℃, the method for preventing the garbage landfill site from leaking comprises the steps of selecting a bentonite composite waterproof blanket, a high-density polyethylene geomembrane and a non-woven geotextile as raw materials to perform anti-leaking treatment, directly and effectively improving the anti-leaking effect, reducing the possibility of garbage fermentation liquor flowing into underground water, further effectively improving the practicability of the anti-leaking method, and buffering the bentonite composite waterproof blanket and the high-density polyethylene geomembrane by arranging a mud cushion layer and fine sand, the situation that the anti-leakage device is easy to be damaged under pressure in a natural environment is reduced, and the anti-leakage effect is relatively improved;
s4, landfill: the method has the advantages that the method has strict requirements during construction, the possibility of damage during construction of the bentonite composite waterproof blanket or the high-density polyethylene geomembrane is directly reduced, the anti-leakage effect is effectively guaranteed, the landfill safety is relatively improved, the steps are simple, and the method is convenient to popularize and use.
An anti-leakage treatment device of a refuse landfill comprises a bottom plate 19, two groups of supporting plates 5 are fixedly arranged on the outer surface of the top of the bottom plate 19, annular blocks 4 are fixedly arranged on the outer surface of the top of the supporting plates 5, a box body 1 is fixedly arranged on the inner wall of each annular block 4, belt pulleys 6 are rotatably arranged on the outer wall of one side of the box body 1 and the outer wall of one side of each supporting plate 5, belts 7 are sleeved on the two groups of belt pulleys 6, openings through which the belts 7 can penetrate are formed in the annular blocks 4, the two groups of belt pulleys 6 are in transmission connection through the belts 7, a linkage mechanism 8 is arranged on one side of each group of belts 7, a mounting block 9 is fixedly arranged on the outer surface of the top of the bottom plate 19, a mounting plate 10 is fixedly arranged on the top of the mounting block 9, a screening box 11 is arranged, the bottom of the screening box 11 passes through the opening and is fixedly connected with the slide block 12, the inner wall of the rear side of the chute is fixedly provided with a tension spring 20, one end of the tension spring 20 is fixedly connected with the outer wall of the rear side of the slide block 12, the inner part of the box body 1 is rotatably provided with a rotating rod 2, the outer wall of the box body 1 is fixedly provided with a rotating arm 3, one end of the other group of belt pulleys 6 extends into the box body 1 and is fixedly connected with the rotating rod 2, the outer wall of one side of the box body 1 is fixedly provided with a supporting block, the outer surface of the bottom of the supporting block is fixedly provided with a motor box 17, the inner part of the motor box 17 is fixedly provided with a motor 18, the output shaft of the motor 18 extends to one side of the motor box 17 through a coupler and is fixedly connected with the other group of belt pulleys 6, the outer surface of the top of the, flitch 15 under the both sides inner wall fixed mounting of box 1, the outer wall fixed mounting of flitch 15 has hot plate 16, add soil in box 1 through feeding funnel 13, control the start-up of motor 18 and the heating of hot plate 16 immediately, the start-up of motor 18 drives the rotation of dwang 2 through a set of belt pulley 6, the rotation of dwang 2 stirs soil through rotor arm 3, hot plate 16 heats soil, the stop valve on the control unloading pipe 14 is closed after heating the certain time, can stir the heating shredding with adding earth, for having made preparation when the geomembrane is laid subsequently, avoided earth comparatively moist to bury the sense of oppression that causes the geomembrane, and then reduced the geomembrane and taken place the damaged condition, the improvement of relativity the device antiseep effect of handling, the effectual practicality that has improved.
The linkage mechanism 8 comprises an eccentric wheel 801 and a linkage block 802, the eccentric wheel 801 is fixedly connected to the outer wall of one side of a group of belt pulleys 6, the linkage block 802 is fixedly installed on the outer wall of one side of the screening box 11, the outer wall of the eccentric wheel 801 is in contact with the outer wall of the linkage block 802, meanwhile, the rotation of one group of belt pulleys 6 drives the rotation of the other group of belt pulleys 6 through a belt 7, the other group of belt pulleys 6 drive the eccentric wheel 801 to rotate, the eccentric wheel 801 drives the screening box 11 to swing back and forth through the linkage block 802, accordingly, the screening effect is achieved, soil crushed by soil can be screened, foreign matters contained in the soil can be conveniently screened, the geomembrane burying treatment can be directly carried out, the problem that the foreign matters contained in the soil can pierce the geomembrane is avoided, the integrity of the geomembrane is effectively ensured, the anti-leakage effect of the geomembrane is relatively, and the device cost is lower, facilitate promotion and use, one side inner wall fixed mounting of box 1 has temperature sensor, the front side outer wall fixed mounting of box 1 has the display screen, temperature sensor is connected with the display screen electricity, the front side outer surface of box 1 is inlayed and is installed the observation window, the articulated apron of installing of top surface of feeding funnel 13, the top fixed mounting of apron has the installation handle, the louvre has been seted up to the front side outer wall of belt 7, the outer wall of louvre is pasted and is fixed with the dust filter screen.
The working principle is as follows: add soil into box 1 through feeding funnel 13, control the start-up of motor 18 and the heating of hot plate 16 immediately, the start-up of motor 18 drives the rotation of dwang 2 through a set of belt pulley 6, the rotation of dwang 2 stirs soil through rotor arm 3, hot plate 16 heats soil, the stop valve on the control unloading pipe 14 is closed after heating the certain time, the rotation of a set of belt pulley 6 drives the rotation of another set of belt pulley 6 through belt 7 simultaneously, another set of belt pulley 6 drives eccentric wheel 801 and rotates, eccentric wheel 801 drives screening case 11 through linkage piece 802 and rocks from beginning to end, reach screening effect thereupon.
Claims (8)
1. An anti-leakage method of a refuse landfill is characterized in that: the method comprises the following steps: s1, selecting land and digging: planning the size of the anti-seepage engineering construction according to the quantity of the required landfill garbage, then selecting the land according to the size, wherein the land selection requires the terrain with strong water drainage capability for facilitating construction, avoids the depression as much as possible, immediately excavates by using an excavator, and requires that the soil pit is bowl-shaped;
s2, slope surface compaction: compacting the bowl-shaped soil pit generated after excavation in the S1 by using a compactor, wherein sharp foreign matters such as stones and glass slag are required to be removed in the compacting process, so that the surface of the bowl-shaped soil pit is ensured not to have sharp foreign matter residues, then filling a percolate guide and drainage blind ditch pipeline at the bottom of the bowl-shaped soil pit, mounting one end of the percolate guide and drainage blind ditch pipeline to a proper position, then laying soil on the percolate guide and drainage blind ditch pipeline again, compacting by using the compactor again, and detecting after compaction;
s3, slope construction: preparing a plurality of bentonite composite waterproof blankets, high-density polyethylene geomembranes and non-woven geotextiles, wherein the thickness of the high-density polyethylene geomembrane is required to be 2mm, then uniformly paving a layer of fine sand on the surface of the bowl-shaped soil pit, wherein the paving thickness of the fine sand is required to be 20mm, then paving the bentonite composite waterproof blankets on the fine sand, then paving a layer of soil on the bentonite composite waterproof blankets, thereby forming a first mud cushion layer, then paving the high-density polyethylene geomembrane on the surface of the first mud cushion layer, then paving a second mud cushion layer on the high-density polyethylene geomembrane, wherein the thickness of the first mud cushion layer and the thickness of the second mud cushion layer are required to be 25mm, and requiring the non-woven geotextile to be paved on the second mud cushion layer and then burying with the soil;
s4, landfill: and (3) placing the garbage to be buried into a crushing device for crushing, collecting and uniformly adding the garbage to the pit in S3, and then burying the garbage by using soil to obtain the anti-leakage method of the garbage landfill.
2. The method for preventing leakage of a landfill site according to claim 1, wherein the method comprises the following steps: and detecting the compacted bowl-shaped soil pit in the S2, and ensuring that the surface of the bowl-shaped soil pit is flat enough, and has no cracks, obvious sharp protrusions, mud and depressions.
3. The method for preventing leakage of a landfill site according to claim 1, wherein the method comprises the following steps: when the first mud mat layer and the second mud mat layer in the step S3 are laid, the steps of heating and screening the mud are needed, the heating temperature is 110 ℃, the mud is required to be sufficiently dried, and foreign matters such as stones, rubbles, glass chips and the like cannot exist, and then the mud can be laid.
4. A method of preventing leakage in a landfill site according to claim 3, comprising: when the high-density polyethylene geomembrane is laid in the S3, the geomembrane is required to extend from the bottom of the bowl-shaped soil pit to a high position, the stretching cannot be too tight, 1.50% of extra width is reserved for local sinking and stretching, and welding seams, particularly cross welding seams, are reduced as much as possible in the construction process, and dead folds are not allowed to be extruded.
5. An antiseep processing apparatus of landfill yard, includes bottom plate (19), its characterized in that: the outer surface of the top of the bottom plate (19) is fixedly provided with two groups of supporting plates (5), the outer surface of the top of each supporting plate (5) is fixedly provided with an annular block (4), the inner wall of each annular block (4) is fixedly provided with a box body (1), the outer wall of one side of each box body (1) and the outer wall of one side of each supporting plate (5) are rotatably provided with belt pulleys (6), the two groups of belt pulleys (6) are respectively sleeved with a belt (7), the annular blocks (4) are provided with openings through which the belts (7) can pass, the two groups of belt pulleys (6) are connected through the belts (7) in a transmission manner, one side of each group of belts (7) is provided with a linkage mechanism (8), the outer surface of the top of the bottom plate (19) is fixedly provided with a mounting block (9), the top of the mounting block (9) is fixedly provided with, a sliding block (12) is arranged in the sliding groove in a sliding manner, an opening is formed in the top of the mounting plate (10), the bottom of the screening box (11) penetrates through the opening and is fixedly connected with the sliding block (12), a tension spring (20) is fixedly arranged on the inner wall of the rear side of the sliding groove, one end of the tension spring (20) is fixedly connected with the outer wall of the rear side of the sliding block (12), a rotating rod (2) is rotatably arranged in the box body (1), a rotating arm (3) is fixedly arranged on the outer wall of the box body (1), one end of the other group of belt pulleys (6) extends into the box body (1) and is fixedly connected with the rotating rod (2), a supporting block is fixedly arranged on the outer wall of one side of the box body (1), a motor box (17) is fixedly arranged on the outer surface of the bottom of the supporting block, a motor (18) is fixedly arranged in the motor box (17), an output, the outer fixed surface in top of box (1) installs feeding funnel (13) and communicates with each other rather than inside, and the outer fixed surface in bottom of box (1) installs unloading pipe (14) and communicates with each other rather than inside, is provided with the stop valve on unloading pipe (14), and the both sides inner wall fixed mounting of box (1) has unloading board (15), and the outer wall fixed mounting of unloading board (15) has hot plate (16).
6. The landfill site leakage prevention device of claim 5, wherein: the linkage mechanism (8) comprises an eccentric wheel (801) and a linkage block (802), the eccentric wheel (801) is fixedly connected to the outer wall of one side of the group of belt pulleys (6), the linkage block (802) is fixedly mounted on the outer wall of one side of the screening box (11), and the outer wall of the eccentric wheel (801) is in contact with the outer wall of the linkage block (802).
7. The landfill site leakage prevention device of claim 5, wherein: the temperature sensor is fixedly mounted on the inner wall of one side of the box body (1), the display screen is fixedly mounted on the outer wall of the front side of the box body (1), the temperature sensor is electrically connected with the display screen, and the observation window is mounted on the outer surface of the front side of the box body (1) in an embedded mode.
8. The landfill site leakage prevention device of claim 5, wherein: the top surface of feeding funnel (13) articulates there is the apron, and the top fixed mounting of apron has the installation handle, and the louvre has been seted up to the front side outer wall of belt (7), and the outer wall of louvre is pasted and is fixed with the dust filter screen.
Priority Applications (1)
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Application publication date: 20210622 |