CN215906862U - Be used for perpendicular anti-seepage device of landfill ecological remediation - Google Patents
Be used for perpendicular anti-seepage device of landfill ecological remediation Download PDFInfo
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- CN215906862U CN215906862U CN202122180050.0U CN202122180050U CN215906862U CN 215906862 U CN215906862 U CN 215906862U CN 202122180050 U CN202122180050 U CN 202122180050U CN 215906862 U CN215906862 U CN 215906862U
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Abstract
The utility model discloses a vertical seepage-proofing device for ecological restoration of a refuse landfill, which comprises a cement prefabricated outer wall and a cement prefabricated inner wall positioned in the cement prefabricated outer wall, wherein a water absorption unit for absorbing seepage water of the cement prefabricated outer wall and the cement prefabricated inner wall is arranged between the cement prefabricated outer wall and the cement prefabricated inner wall, an expansion unit for driving a display rod arranged in the cement prefabricated outer wall to be kept along the vertical direction is arranged in the water absorption unit, water seepage from the cement prefabricated outer wall or the cement prefabricated inner wall can be absorbed to a certain extent through a diatom pad, water-absorbing breathable cotton and a high water-absorbing polymer, the refuse sewage is ensured to be isolated, when the high water-absorbing polymer absorbs water, the volume of the high water-absorbing polymer can expand, so that the display rod slides upwards, the expansion degree of the high water-absorbing polymer can be known through scale codes, and the seepage and seepage amount of the seepage-proofing wall can be known, avoid the garbage sewage from entering the external underground water.
Description
Technical Field
The utility model relates to the technical field of vertical seepage-proofing devices for ecological restoration of refuse landfills, in particular to a vertical seepage-proofing device for ecological restoration of refuse landfills.
Background
With the continuous promotion of the process of urbanization in China, the construction and development of the municipal refuse sanitary landfill are not slow. In the construction of landfill sites, the control of leachate is the most critical issue to prevent pollution to the environment surrounding the landfill. At present, an anti-seepage system in a landfill site has two types, namely a horizontal anti-seepage lining and a vertical grouting curtain, wherein the vertical anti-seepage curtain has the advantages of low cost, low investment, easiness in repair and the like, and the diffusion speed of percolate or pollutants is slowed down mainly by prolonging the seepage diameter. The municipal solid waste sanitary landfill site adopts a vertical anti-seepage technology, and a corresponding construction scheme is determined by corresponding engineering exploration and scheme optimization according to different engineering sites.
The vertical seepage-proofing engineering comprises a soil layer modification method seepage-proofing wall, a driving method seepage-proofing wall and an engineering excavation method seepage-proofing wall. The impervious wall constructed by the engineering excavation method is characterized in that a soil layer is excavated through earthwork, and then the impervious wall is built in the excavated groove.
However, after the diaphragm wall constructed by the existing engineering excavation method is used for a long time, water seepage can occur in the diaphragm wall due to the seepage action of water molecules, so that garbage and sewage can enter external underground water, and meanwhile, when water seepage occurs and the amount of the water seepage is difficult to know when the diaphragm wall is positioned underground.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vertical anti-seepage device for ecological restoration of a refuse landfill, which has excellent water absorption to a certain extent and can clearly know whether the anti-seepage wall has water seepage and the water seepage amount.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the cement prefabricated outer wall is characterized by comprising a cement prefabricated outer wall and a cement prefabricated inner wall positioned in the cement prefabricated outer wall, a water absorption unit used for absorbing seepage water of the cement prefabricated outer wall and the cement prefabricated inner wall is arranged between the cement prefabricated outer wall and the cement prefabricated inner wall, and an expansion unit used for driving a display rod arranged in the cement prefabricated outer wall to keep along the vertical direction is arranged in the water absorption unit.
Preferably, the water absorption unit comprises a diatom pad and water absorption breathable cotton, the diatom pad is U-shaped and is tightly attached to the side walls, adjacent to the cement prefabricated outer wall and the cement prefabricated inner wall, and the water absorption breathable cotton is arranged on the two inner walls of the diatom pad.
As preferred, the expansion unit including be the circumference array in the prefabricated outer wall of cement with wire netting frame, arc slider and super absorbent polymer between the prefabricated interior wall of cement, wire netting frame specifically has two wire netting to constitute, and hugs closely respectively on two inner walls of diatom pad, and the ventilative cotton inner wall of hugging closely in the wire netting frame that absorbs water, super absorbent polymer is filled in the ventilative cotton that absorbs water, the arc slider place in the top of super absorbent polymer.
Preferably, the prefabricated outer wall of cement with the prefabricated top sliding connection of interior wall of cement has the prefabricated lid of cement that is the circumference array, the wire netting frame is installed to the bottom of the prefabricated lid of cement.
Preferably, the display rod is fixedly installed at the top of the arc-shaped sliding block and penetrates through the cement prefabricated cover, and scale codes are arranged on the outer wall of the display rod.
In the technical scheme, the vertical anti-seepage device for ecological restoration of the refuse landfill, provided by the utility model, has the following beneficial effects:
1. the utility model discloses a, good hydroscopicity has to a certain extent, it is folding with the diatom pad, and fill in the prefabricated outer wall of cement and the prefabricated interior wall of cement with folding part and hug closely the impervious barrier to folding part, there is diatomaceous earth in the raw and other materials of diatom pad, diatomaceous earth is a deposit millions of years natural material of diatom, be rich in multiple useful mineral substance, because water absorption capacity is stronger, can inhale the moisture of the prefabricated outer wall of dry cement and the prefabricated interior wall infiltration of cement fast, simultaneously through the ventilative cotton absorption of absorbing water with the moisture transfer on diatom pad to the high hydroscopicity polymer, the high hydroscopicity polymer also has powerful hydroscopicity, at the diatom pad, within the scope of bearing of the ventilative cotton of absorbing water and high hydroscopicity polymer, good hydroscopicity has, guarantee rubbish sewage is kept apart.
2. The utility model discloses a, the volume that knows the cut-off wall that can understand has or not infiltration and infiltration, after the super absorbent polymer absorbs water, its volume can expand, thereby make the arc slider upwards slide in the iron wire rack, and make the display pole cover to keeping away from the direction slip of super absorbent polymer at the cement prefabrication, and seted up the scale sign indicating number on the display pole, can know the expansion degree of super absorbent polymer through the scale sign indicating number, within the water absorption scope of super absorbent polymer, the display pole is along with the super absorbent polymer because of the continuous upward movement of the degree of water absorption inflation, managers just can know the volume that the cut-off wall has or not infiltration and infiltration according to the length that the display pole runs through the cement prefabrication lid, avoid rubbish sewage can get into external groundwater.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic overall structure diagram provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an overall cross-section provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a partial cross-section structure provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a display rod according to an embodiment of the present invention.
Description of reference numerals:
1. prefabricating an outer wall by using cement; 2. prefabricating an inner wall by cement; 3. a water impermeable layer; 4. prefabricating a cover by using cement; 6. a display lever; 7. a water absorbing unit; 8. an expansion unit; 9. a scale code; 71. a diatom pad; 72. water-absorbing breathable cotton; 81. a wire net rack; 82. an arc-shaped sliding block; 83. a high water-absorbing polymer.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-4, a vertical anti-seepage device for ecological restoration of a refuse landfill comprises a cement prefabricated outer wall 1 and a cement prefabricated inner wall 2 positioned in the cement prefabricated outer wall 1, a water absorption unit 7 for absorbing water seeped out from the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2 is arranged between the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2, an expansion unit 8 for driving a display rod 6 arranged in the cement prefabricated outer wall 1 to be kept along a vertical direction is arranged in the water absorption unit 7, the diatom pad 71 has excellent water absorption to a certain extent, the folded part is plugged into the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2 until the folded part is tightly attached to a water-impermeable layer 3, the raw material of the diatom pad 71 contains diatomite which is a natural substance for depositing diatoms for millions of years and is rich in various useful mineral substances and has stronger water absorption performance, the water permeable by the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2 can be quickly absorbed, meanwhile, the water permeable breathable cotton 72 absorbs the water to transfer the water on the diatom pad 71 to the high water-absorbing polymer 83, the high water-absorbing polymer 83 also has strong water absorption, the diatom pad 71, the water-absorbing breathable cotton 72 and the high water-absorbing polymer 83 have excellent water absorption within the bearing range, garbage and sewage are isolated, the water seepage amount of the impervious wall can be clearly known, after the high water-absorbing polymer 83 absorbs water, the volume of the high water-absorbing polymer can expand, the arc-shaped sliding block 82 slides upwards in the wire net rack 81, the display rod 6 slides on the cement prefabricated cover 4 in the direction away from the high water-absorbing polymer 83, the scale code 9 is arranged on the display rod 6, and the expansion degree of the high water-absorbing polymer 83 can be known through the scale code 9, within the water absorption range of the super absorbent polymer 83, the display rod 6 continuously moves upwards along with the super absorbent polymer 83 due to the water absorption expansion degree, and managers can know whether the impervious wall has water seepage and the water seepage amount according to the length of the display rod 6 penetrating through the cement prefabricated cover 4, so that the garbage and sewage are prevented from entering the external underground water.
As shown in fig. 1 to 4, when in installation, earth is dug out by a digging machine, a cement prefabricated outer wall 1 and a cement prefabricated inner wall 2 are punched on an impermeable layer 3, the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2 are inserted into the impermeable layer 3, the cement prefabricated inner wall 2 is positioned in the cement prefabricated outer wall 1, a diatomite cushion 71 is folded, the folded part is inserted into the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2 until the folded part is tightly attached to the impermeable layer 3, diatomite is arranged in the raw material of the diatomite cushion 71, is a natural substance for depositing diatoms for millions of years and is rich in various useful mineral substances, and can quickly absorb water permeating through the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2 due to strong water absorption performance, the wire net frame 81 is particularly composed of two wire nets, the wire net frame 81 is inserted into the diatomite cushion 71, and the breathable cotton 72 is attached to two inner walls of the wire net frame 81, high water absorption polymers 83 are filled between the two water absorption breathable cotton 72, the arc-shaped sliding blocks 82 are placed in the wire netting frame 81, the arc-shaped sliding blocks 82 are located at the tops of the high water absorption polymers 83, the wire netting frame 81 is in threaded connection with the side faces of the cement prefabricated cover 4 adjacent to the high water absorption polymers 83, the cement prefabricated cover 4 covers the tops of the cement prefabricated outer wall 1 and the cement prefabricated inner wall 2, the display rod 6 is fixedly installed at the tops of the arc-shaped sliding blocks 82 and penetrates through the cement prefabricated cover 4, and scale codes 9 are arranged on the outer wall of the display rod 6.
As shown in fig. 2 and fig. 3, when in use, the super absorbent polymer 83 can quickly absorb water permeating through the cement prefabricated exterior wall 1 and the cement prefabricated interior wall 2, and simultaneously, the water on the diatom pad 71 is absorbed by the water-absorbing breathable cotton 72 and transferred to the super absorbent polymer 83, and the super absorbent polymer 83 also has strong water absorption, so that the super absorbent polymer has excellent water absorption within the bearing range of the diatom pad 71, the water-absorbing breathable cotton 72 and the super absorbent polymer 83, and the garbage and sewage are protected from being separated.
As shown in fig. 2 to 4, after long-term use, the cement prefabricated exterior wall 1 and the cement prefabricated interior wall 2 may have water seepage, when the super absorbent polymer 83 absorbs water, the volume thereof may expand, so that the arc-shaped sliding block 82 slides upwards in the wire mesh frame 81, and the display rod 6 slides on the cement prefabricated cover 4 in a direction away from the super absorbent polymer 83, and the display rod 6 is provided with the scale code 9, the expansion degree of the super absorbent polymer 83 can be known through the scale code 9, within the water absorption range of the super absorbent polymer 83, the display rod 6 continuously moves upwards along with the expansion degree of the super absorbent polymer 83 due to water absorption, so that the manager can know whether the seepage wall has water seepage and water seepage amount according to the length of the display rod 6 penetrating through the cement prefabricated cover 4, and when the length of the display rod 6 extending out is longer, it is said that the seepage water seepage of the cement prefabricated exterior wall 1 or the cement prefabricated interior wall 2 is serious, the cement prefabricated outer wall 1 or the cement prefabricated inner wall 2 is replaced in time, and garbage sewage is prevented from entering external underground water.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (5)
1. The utility model provides a be used for perpendicular watertight fittings of landfill ecological remediation which characterized in that, including prefabricated outer wall of cement (1) and being located prefabricated interior wall of cement (2) in prefabricated outer wall of cement (1), prefabricated outer wall of cement (1) with be provided with between prefabricated interior wall of cement (2) and be used for absorbing prefabricated outer wall of cement (1) with the unit (7) that absorbs water of prefabricated interior wall of cement (2) seepage water, be provided with in the unit (7) that absorbs water and be used for ordering about set up in expansion unit (8) that display pole (6) in the prefabricated outer wall of cement (1) keep along vertical direction.
2. The vertical anti-seepage device for the ecological restoration of the refuse landfill is characterized in that the water absorption unit (7) comprises a diatom pad (71) and water absorption breathable cotton (72), the diatom pad (71) is clung to the adjacent side walls of the cement prefabricated outer wall (1) and the cement prefabricated inner wall (2) in a U shape, and the water absorption breathable cotton (72) is arranged on two inner walls of the diatom pad (71).
3. The vertical anti-seepage device for ecological restoration of the refuse landfill is characterized in that the expansion unit (8) comprises a wire net rack (81), an arc-shaped sliding block (82) and a high water absorption polymer (83) which are circumferentially arranged between the cement prefabricated outer wall (1) and the cement prefabricated inner wall (2), the wire net rack (81) is composed of two wire nets and respectively clings to two inner walls of the diatom pad (71), the water absorption breathable cotton (72) clings to the inner walls of the wire net rack (81), the high water absorption polymer (83) is filled in the water absorption breathable cotton (72), and the arc-shaped sliding block (82) is placed at the top of the high water absorption polymer (83).
4. The vertical anti-seepage device for the ecological restoration of the refuse landfill is characterized in that the cement prefabricated outer wall (1) and the cement prefabricated inner wall (2) are slidably connected with cement prefabricated covers (4) in a circumferential array at the tops, and a wire mesh frame (81) is installed at the bottoms of the cement prefabricated covers (4).
5. The vertical anti-seepage device for ecological restoration of the refuse landfill according to claim 1, wherein the display rod (6) is fixedly installed at the top of the arc-shaped sliding block (82) and penetrates through the cement prefabricated cover (4), and the outer wall of the display rod (6) is provided with scale codes (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180050.0U CN215906862U (en) | 2021-09-09 | 2021-09-09 | Be used for perpendicular anti-seepage device of landfill ecological remediation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122180050.0U CN215906862U (en) | 2021-09-09 | 2021-09-09 | Be used for perpendicular anti-seepage device of landfill ecological remediation |
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| CN215906862U true CN215906862U (en) | 2022-02-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855885A (en) * | 2022-05-26 | 2022-08-05 | 深圳大学 | Ecological vertical slurry impervious wall and construction method thereof |
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2021
- 2021-09-09 CN CN202122180050.0U patent/CN215906862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855885A (en) * | 2022-05-26 | 2022-08-05 | 深圳大学 | Ecological vertical slurry impervious wall and construction method thereof |
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