CN110016939B - Structure of HDPE pipe penetrating phosphogypsum dam - Google Patents
Structure of HDPE pipe penetrating phosphogypsum dam Download PDFInfo
- Publication number
- CN110016939B CN110016939B CN201910406336.0A CN201910406336A CN110016939B CN 110016939 B CN110016939 B CN 110016939B CN 201910406336 A CN201910406336 A CN 201910406336A CN 110016939 B CN110016939 B CN 110016939B
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- CN
- China
- Prior art keywords
- hdpe
- phosphogypsum
- dam
- pipe
- phosphogypsum dam
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- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 110
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 110
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 91
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 23
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 13
- 239000004746 geotextile Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 18
- 239000007788 liquid Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229920006262 high density polyethylene film Polymers 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Paleontology (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Sewage (AREA)
- Revetment (AREA)
Abstract
The invention discloses a structure for an HDPE pipe to pass through an phosphogypsum dam, which comprises the phosphogypsum dam arranged on the ground; the section shape of the phosphogypsum dam is a trapezoid structure with wide bottom and narrow top; a water collecting ditch is arranged on the ground outside the phosphogypsum dam; an HDPE impermeable film is arranged on the inclined plane at the inner side of the phosphogypsum dam; the joint of the phosphogypsum dam and the ground is provided with an HDPE crossing pipe penetrating through the phosphogypsum dam; the HDPE crossing pipe is provided with a group of uniformly distributed HDPE boards at the inner side of the center line of the phosphogypsum dam; the HDPE passing pipe is positioned outside the center line of the phosphogypsum dam, and a silica layer is arranged around the HDPE passing pipe. The invention adopts the structure of front baffle and rear row, which is convenient for construction. The HDPE board can prolong water flow permeation and plays a role in permeation resistance; the silica layer is used for discharging percolate into the water collecting ditch, so that the height of the infiltration line is reduced, and the safety of the whole phosphogypsum yard is ensured. The bidirectional geogrid can effectively improve the stability of the dam body and prevent the HDPE impermeable film from tearing and damaging.
Description
Technical Field
The invention relates to a structure of an HDPE pipe penetrating through an phosphogypsum dam, and belongs to the technical field of chemical solid waste storage yard structures.
Background
Phosphogypsum belongs to class II general industrial solid waste, and HDPE films are adopted in phosphogypsum yards to prevent seepage of full storage basins. In order to ensure the stability and safety of the phosphogypsum storage yard, a guide and discharge pipe is buried in the phosphogypsum dam to discharge the polluted percolate in the yard to an adjusting water tank outside the storage yard; meanwhile, in order to maintain the normal operation of the phosphogypsum yard, a dam penetrating return pipe is buried in the dam body, and process water in the storage is conveyed back to a factory for recycling. Therefore, the dam penetrating pipe is widely applied to phosphogypsum yards, and a plurality of guide and discharge pipe dam penetrating points are often generated in the yards due to the regional operation requirement. The prior art is generally aimed at solving the connection mode of the contact part of the HDPE pipe and the impermeable membrane, but ignores the pipe penetrating dam structure in the phosphogypsum dam body, and can not completely ensure the connection reliability of the rigid material and the flexible material in the field of general solid waste yards at present; meanwhile, the HDPE pipes are connected in a welding mode, and welding seams of the HDPE pipes buried in the phosphogypsum dam body are prone to leakage and do not have maintenance conditions. Once leakage occurs at the penetrating parts of the dam penetrating pipe and the pipe penetrating film, the environment is polluted, the infiltration line in the phosphogypsum dam is rapidly increased, and the stability of the phosphogypsum initial dam and the stability of the whole yard are greatly threatened due to the characteristic of small phosphogypsum permeability coefficient.
Disclosure of Invention
The invention aims to provide a structure for enabling an HDPE pipe to pass through an phosphogypsum dam, which is convenient to construct, can effectively avoid the environmental pollution risk caused by seepage of percolate in a storage yard, and improves the overall stability of the storage yard so as to overcome the defects in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a structure of an HDPE pipe penetrating through an phosphogypsum dam, which comprises the phosphogypsum dam arranged on the ground; the section shape of the phosphogypsum dam is a trapezoid structure with wide bottom and narrow top; a water collecting ditch is arranged on the ground outside the phosphogypsum dam; an HDPE impermeable film is arranged on the inclined plane at the inner side of the phosphogypsum dam; the joint of the phosphogypsum dam and the ground is provided with an HDPE crossing pipe penetrating through the phosphogypsum dam; the HDPE crossing pipe is provided with a group of uniformly distributed HDPE boards at the inner side of the center line of the phosphogypsum dam; the HDPE crossing pipe is provided with a silica layer around the outer side of the center line of the phosphogypsum dam.
In the structure, the inclination of the inclined surfaces of the inner side and the outer side of the phosphogypsum dam are 1:2.5.
in the structure, the inclined surface of the inner side of the phosphogypsum dam is provided with the HDPE impermeable film which is welded or bonded with the HDPE impermeable film in the storage basin of the inner side of the phosphogypsum dam to form a closed impermeable system.
In the structure, the space between the HDPE boards of the group of HDPE boards is L/8 of the buried length L of the HDPE passing pipe; the HDPE board is a square board with the thickness of 2cm, and the side length of the HDPE board is twice the outer diameter D of the HDPE passing pipe; the center of the HDPE plate is provided with a welding hole, and the aperture of the welding hole corresponds to the outer diameter D of the HDPE passing pipe; the welding hole is sleeved on the HDPE passing pipe and welded with the HDPE passing pipe.
In the structure, the section shape of the silica layer is an inverted trapezoid structure with wide upper part and narrow lower part; the slope of the inclined plane of the inverted trapezoid structure is 1:0.35; wrapping a layer of geotextile with the density of 400g/m < 2 >; the silica layer is densely filled with acid-resistant silica with the grain diameter of 3-5 cm; the HDPE passing pipe is positioned in the center of the inverted trapezoid structure.
In the structure, a group of horizontally placed bidirectional geogrids are paved in the phosphogypsum dam; the vertical distance C between the two-way geogrid and the two-way geogrid is 2M; the horizontal distance S between the two-way geogrid and the inclined plane of the phosphogypsum dam is 50cm.
In the structure, the outer bottom of the phosphogypsum dam is provided with a slope-sticking seepage guide body; the height H of the slope-sticking conductor is 2M, and the thickness B is 40cm.
In the structure, the water collecting ditch is closely adjacent to the slope-sticking seepage-guiding body; the height and width of the water collecting ditch are 2m; the water collection channel is used for temporarily storing the percolate leaked accidentally.
Due to the adoption of the technical scheme, the front-baffle rear-row structure is convenient to construct; the multi-HDPE board is arranged at the front half section of the HDPE crossing pipe, when seepage points are not concentrated and the seepage quantity is small, the structure can prolong the seepage of water flow and play a role in blocking seepage; when the area of the seepage part is large, the seepage amount is large or the HDPE passes through the welding seam of the pipe to leak, the HDPE board cannot prevent the seepage liquid from leaking outwards, the seepage line in the phosphogypsum dam can be obviously increased, at the moment, the seepage liquid can be discharged into the water collecting ditch by utilizing the seepage guide body formed by the silica layer and the geotechnical cloth, the height of the seepage line is reduced, and the safety of the whole phosphogypsum yard is ensured. The phosphogypsum dam is reinforced, the stability of the dam body can be effectively improved by burying the bidirectional geogrid, and the problems of stress concentration, tearing damage and the like of the HDPE impermeable film caused by large uneven settlement of the dam body can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the sump of FIG. 1;
FIG. 3 is an enlarged view of a portion of the HDPE panel of FIG. 1;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a schematic cross-sectional view of the silica layer of fig. 1.
The marks in the drawings are: 1-phosphogypsum dam, 2-HDPE impermeable membrane, 3-HDPE crossing pipe, 4-bi-directional geogrid, 5-HDPE board, 6-silica layer, 7-geotextile, 8-water collecting ditch, 9-ground, 10-phosphogypsum dam central line, 11-welded hole, 12-slope-pasting seepage guiding body.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
The structure of the HDPE pipe penetrating through the phosphogypsum dam, as shown in figures 1 and 2, comprises a phosphogypsum dam 1 arranged on the ground 9; the section shape of the phosphogypsum dam 1 is a trapezoid structure with a wide bottom and a narrow top; a water collecting ditch 8 is arranged on the ground 9 outside the phosphogypsum dam 1; an HDPE impermeable film 2 is arranged on the inclined plane of the inner side of the phosphogypsum dam 1; the joint of the phosphogypsum dam 1 and the ground 9 is provided with an HDPE crossing pipe 3 penetrating through the phosphogypsum dam 1; the HDPE crossing pipe 3 is provided with a group of uniformly distributed HDPE boards 5 at the inner side of the phosphogypsum dam center line 10; the HDPE traversing pipe 3 is provided with a silica layer 6 around the outside of the phosphogypsum dam center line 10. The slope of the inclined surfaces on the inner side and the outer side of the phosphogypsum dam 1 are 1:2.5. the inclined surface of the inner side of the phosphogypsum dam 1 is provided with an HDPE impermeable film 2 which is welded or bonded with the HDPE impermeable film in the basin of the inner side of the phosphogypsum dam 1 to form a closed impermeable system. The space between the HDPE boards 5 and the HDPE boards 5 of the group of HDPE boards 5 is L/8 of the burying length L of the HDPE traversing pipe 3. A group of horizontally placed bidirectional geogrids 4 are paved in the phosphogypsum dam 1; the vertical distance C between the two-way geogrid 4 and the two-way geogrid 4 is 2M; the horizontal distance S between the two-way geogrid 4 and the inclined surface of the phosphogypsum dam 1 is 50cm. The outer bottom of the phosphogypsum dam 1 is provided with a slope-sticking seepage guide 12; the height H of the slope-sticking seepage-guiding body 12 is 2M, and the thickness B is 40cm. As shown in fig. 3 and 4, the HDPE plate 5 is a square plate with a thickness of 2cm, and the side length of the HDPE plate 5 is twice the outer diameter D of the HDPE pipe 3; the center of the HDPE board 5 is provided with a welding hole 11, and the aperture of the welding hole 11 corresponds to the outer diameter D of the HDPE passing pipe 3; the welding hole 11 is sleeved on the HDPE passing pipe 3 and welded with the HDPE passing pipe 3. As shown in fig. 5, the silica layer 6 has an inverted trapezoid structure with a wide upper part and a narrow lower part in cross section; the slope of the inclined plane of the inverted trapezoid structure is 1:0.35; the silicon layer 6 is wrapped with a layer of geotextile with the density of 400g/m 2; the silica layer 6 is formed by closely packing acid-resistant silica with the grain diameter of 3-5 cm; the HDPE passing pipe 3 is positioned at the center of the inverted trapezoid structure. As shown in fig. 2, the water collecting channel 8 is arranged close to the slope-sticking seepage guide body; the height and width of the water collecting ditch 8 are 2m; the water collection channel 8 is used for temporarily storing the percolate of an accidental leak.
Examples
Taking the urn and good fortune phosphogypsum yard as shown in fig. 1 as an example, the urn and good fortune swing phosphogypsum yard comprises the following items: phosphogypsum dam 1, HDPE impermeable membrane 2, HDPE crossing pipe 3, bidirectional geogrid 4, HDPE board 5, silica layer 6, geotechnical cloth 7 and water collecting ditch 8.
The HDPE impermeable membrane 2 is paved on the inner side (the inner side is an upstream surface) of the phosphogypsum dam 1, and the HDPE impermeable membrane 2 and the basin impermeable membrane form a closed impermeable system. The front half section of the HDPE passing pipe 3 is provided with 4 HDPE boards 5, the HDPE boards 5 and the HDPE passing pipe 3 are welded together, and the HDPE boards 5 are square with the side length twice the outer diameter of the HDPE passing pipe 3. The thickness of the HDPE board 5 is 2cm, and the distance between two adjacent HDPE boards is one eighth of the length L of the embedded HDPE passing pipe 3 in the phosphogypsum dam 1, namely L/8. The HDPE passes through the rear half section of the pipe 3 to wrap the seepage guiding body formed by the silica layer 6 and the geotextile 7, and the length of the seepage guiding body is L/2. The silica layer 6 is acid-resistant silica with the grain diameter of 3-5 cm, is filled and compacted, and is wrapped with geotextile 7 with the grain diameter of 400g/m 2 Geotextile with excellent water permeability. The two-way geogrid 4 is paved in the inner part of the dam body of the phosphogypsum dam 1, the interlayer vertical distance is 2m, the geogrid positioned at the edge part of the same layer is 50cm away from the upstream or downstream surface, and the specific specification of the two-way geogrid 4 is determined according to the phosphogypsum dam 1 and the like; the silica layer 6 and the geotextile 7 form a slope-pasting seepage-guiding body 12 with the thickness of 40cm and the height of 2m, and the slope-pasting seepage-guiding body is positioned on the downstream surface of the phosphogypsum dam 1; the water collection channel 8 is arranged next to the slope-attached seepage guide 12 and has a size of 2m by 2m wide and 2m high, so as to temporarily store the percolate leaking accidentally.
The structure of front baffle and rear row is convenient to construct, and the multi-HDPE board is arranged at the front half section of the HDPE crossing pipe, so that when leakage points are not concentrated and the water seepage quantity is small, the structure can prolong the water flow seepage and play a role in blocking the seepage; when the area of the seepage part is large, the seepage amount is large or the HDPE passes through the welding seam of the pipe to leak, the HDPE board cannot prevent the seepage liquid from leaking outwards, the seepage line in the phosphogypsum dam can be obviously increased, at the moment, the seepage liquid can be discharged into the water collecting ditch by utilizing the seepage guide body formed by the silica layer and the geotechnical cloth, the height of the seepage line is reduced, and the safety of the whole phosphogypsum yard is ensured. The phosphogypsum dam is reinforced, the stability of the dam body can be effectively improved by burying the bidirectional geogrid, and the dam body can be prevented from being subjected to larger uneven settlement, so that the HDPE impermeable film is subjected to stress concentration, and then tearing and damage are generated.
Claims (8)
1. The structure of the HDPE pipe passing through the phosphogypsum dam comprises the phosphogypsum dam (1) arranged on the ground (9); the section shape of the phosphogypsum dam (1) is a trapezoid structure with wide bottom and narrow top; a water collecting ditch (8) is arranged on the ground (9) at the outer side of the phosphogypsum dam (1); an HDPE impermeable membrane (2) is arranged on the inclined plane of the inner side of the phosphogypsum dam (1); the method is characterized in that: the joint of the phosphogypsum dam (1) and the ground (9) is provided with an HDPE crossing pipe (3) penetrating through the phosphogypsum dam (1); the HDPE crossing pipe (3) is provided with a group of uniformly distributed HDPE boards (5) at the inner side part of the phosphogypsum dam center line (10); the HDPE passing pipe (3) is provided with a silica layer (6) around the outer side of the phosphogypsum dam center line (10).
2. The structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: the inclination of the inclined surfaces of the inner side and the outer side of the phosphogypsum dam (1) are 1:2.5.
3. the structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: an HDPE impermeable film (2) is arranged on the inclined surface of the inner side of the phosphogypsum dam (1) and is welded or bonded with the HDPE impermeable film in the storage basin of the inner side of the phosphogypsum dam (1) to form a closed impermeable system.
4. The structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: the space between the HDPE boards (5) of the group of HDPE boards (5) is L/8 of the burying length L of the HDPE traversing pipe (3); the HDPE board (5) is a square board with the thickness of 2cm, and the side length of the HDPE board (5) is twice the outer diameter D of the HDPE passing pipe (3); the center of the HDPE board (5) is provided with a welding hole (11), and the aperture of the welding hole (11) corresponds to the outer diameter D of the HDPE passing pipe (3); the welding hole (11) is sleeved on the HDPE passing pipe (3) and is welded with the HDPE passing pipe (3).
5. The structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: the section of the silica layer (6) is of an inverted trapezoid structure with a wide upper part and a narrow lower part; the slope of the inclined plane of the inverted trapezoid structure is 1:0.35; the silicon layer (6) is wrapped with a layer of 400g/m 2 Is a geotextile; the silica layer (6) is densely filled with acid-resistant silica with the grain diameter of 3-5 cm; the HDPE crossing pipe (3) is positioned in the center of the inverted trapezoid structure.
6. The structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: a group of horizontally placed bidirectional geogrids (4) are paved in the phosphogypsum dam (1); the vertical distance C between the two-way geogrid (4) and the two-way geogrid (4) is 2M; the horizontal distance S between the two-way geogrid (4) and the inclined plane of the phosphogypsum dam (1) is 50cm.
7. The structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: the bottom of the outer side of the phosphogypsum dam (1) is provided with a slope-pasting seepage-guiding body (12); the height H of the slope-sticking seepage-guiding body (12) is 2M, and the thickness B is 40cm.
8. The structure of HDPE pipe crossing phosphogypsum dam of claim 1, wherein: the water collecting ditch (8) is closely adjacent to the slope-sticking seepage guide body; the height and the width of the water collecting groove (8) are 2m; the water collecting channel (8) is used for temporarily storing the percolate leaked accidentally.
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CN201910406336.0A CN110016939B (en) | 2019-05-16 | 2019-05-16 | Structure of HDPE pipe penetrating phosphogypsum dam |
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CN201910406336.0A CN110016939B (en) | 2019-05-16 | 2019-05-16 | Structure of HDPE pipe penetrating phosphogypsum dam |
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CN110016939B true CN110016939B (en) | 2024-03-01 |
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CN110747963A (en) * | 2019-11-22 | 2020-02-04 | 中国电建集团贵阳勘测设计研究院有限公司 | Seepage-preventing membrane upward seepage-guiding system suitable for phosphogypsum storage yard |
CN111636447B (en) * | 2020-06-16 | 2024-06-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Phosphogypsum storage yard slope ballast structure |
CN112663627A (en) * | 2020-12-10 | 2021-04-16 | 瓮福(集团)有限责任公司 | Method for dissolving and applying phosphogypsum raw slag engineering |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102953399A (en) * | 2012-07-26 | 2013-03-06 | 中国水电顾问集团贵阳勘测设计研究院 | Method and device for bottom drainage and seepage of film-laying anti-seepage phosphogypsum yard |
CN206256462U (en) * | 2016-12-02 | 2017-06-16 | 贵阳开磷化肥有限公司 | A kind of conveyer belt for using ardealite as dam body |
CN109024701A (en) * | 2018-07-18 | 2018-12-18 | 瓮福达州化工有限责任公司 | A kind of novel ardealite library slope seepage control method |
CN210066836U (en) * | 2019-05-16 | 2020-02-14 | 中国电建集团贵阳勘测设计研究院有限公司 | HDPE pipe passes through structure of ardealite dam |
Family Cites Families (1)
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US20090050025A1 (en) * | 2007-08-21 | 2009-02-26 | Tetra Tech, Inc. | Use of Encapsulated Water Soluble Material as a Construction Material |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102953399A (en) * | 2012-07-26 | 2013-03-06 | 中国水电顾问集团贵阳勘测设计研究院 | Method and device for bottom drainage and seepage of film-laying anti-seepage phosphogypsum yard |
CN206256462U (en) * | 2016-12-02 | 2017-06-16 | 贵阳开磷化肥有限公司 | A kind of conveyer belt for using ardealite as dam body |
CN109024701A (en) * | 2018-07-18 | 2018-12-18 | 瓮福达州化工有限责任公司 | A kind of novel ardealite library slope seepage control method |
CN210066836U (en) * | 2019-05-16 | 2020-02-14 | 中国电建集团贵阳勘测设计研究院有限公司 | HDPE pipe passes through structure of ardealite dam |
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