CN112028437A - Sludge treatment system and sludge drainage method implemented by adopting same - Google Patents
Sludge treatment system and sludge drainage method implemented by adopting same Download PDFInfo
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- CN112028437A CN112028437A CN202010738210.6A CN202010738210A CN112028437A CN 112028437 A CN112028437 A CN 112028437A CN 202010738210 A CN202010738210 A CN 202010738210A CN 112028437 A CN112028437 A CN 112028437A
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- drainage
- treatment system
- tank
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- 239000010802 sludge Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 239000004744 fabric Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge treatment system which comprises a large sludge holding tank, wherein a plurality of water drainage grooves and water outlet connecting ends are densely distributed at the bottom of the large sludge holding tank, the water drainage grooves are distributed in an inverted cone shape, the water outlet connecting ends and the bottoms of the water drainage grooves are provided with water drainage ports, the water drainage ports are connected to a water outlet pipe, the outer end of the water outlet pipe is connected with a vacuumizing device, porous metal nets cover the water drainage grooves, geotechnical filter cloth is laid on the bottom of the large sludge holding tank and the upper surfaces of the porous metal nets, water filtering columns are arranged at the water outlet connecting ends in a matched mode, the inner parts of the water filtering columns are hollow, the outer surfaces of the water filtering columns. The sludge treatment system can discharge water in the sludge more efficiently, and is faster in implementation and relatively lower in cost. The invention also provides a sludge drainage method implemented by adopting the sludge treatment system.
Description
Technical Field
The invention relates to a sludge treatment system. The invention also relates to a sludge drainage method implemented by adopting the sludge treatment system.
Background
A large amount of sludge often appears in the construction operation of soft soil areas, the water content of the sludge is high, the sludge cannot be used for engineering construction, and the large amount of sludge needs to occupy a large amount of land resources, so that not only is the resource waste caused, but also the pollution is caused to the local environment. The traditional sludge treatment method generally adopts a vacuum preloading drainage method or a sedimentation flocculation sludge-water separation method, but the two treatment methods have longer period and relatively common drainage effect.
Disclosure of Invention
The invention aims to provide a sludge treatment system, which is faster in drying and better in drying effect. The technical problem to be solved by the invention is also to provide a sludge drainage method implemented by adopting the sludge treatment system.
Therefore, the sludge treatment system provided by the invention comprises a large sludge holding tank, wherein a plurality of water drainage grooves and water outlet connecting ends are densely distributed at the bottom of the large sludge holding tank, the water drainage grooves are distributed in an inverted cone shape, the water outlet connecting ends and the bottoms of the water drainage grooves are provided with water drainage ports, the water drainage ports are connected to a water outlet pipe, the outer end of the water outlet pipe is connected with a vacuumizing device, porous metal nets cover the water drainage grooves, geotechnical filter cloth is laid on the bottom of the large sludge holding tank and the upper surfaces of the porous metal nets, water filtering columns are arranged at the water outlet connecting ends in a matched mode, the inner parts of the water filtering columns are hollow, the outer surfaces of the water.
Furthermore, the water filtering column and the porous metal net are integrally formed, a downward drain hole is formed in the bottom of the porous metal net corresponding to the water filtering column, and the porous metal net and the drain groove are fastened by a detachable fastening mechanism.
Further, the fastening mechanism is including setting up a pair of knot hole in a plurality of evenly distributed of porous metal mesh edge, the lateral wall department of water drainage tank has annular step face, and it has the swing briquetting to articulate on the lateral wall of water drainage tank, correspond on the annular step face the knot hole has been seted up and has been fixed with the double-screw bolt, correspond on the swing briquetting the trepanning has been seted up to the double-screw bolt, and the swing of swing piece cup joints on the double-screw bolt and adopt the nut to screw up.
Further, the lateral wall upper portion of large-scale silt holding tank has the decurrent seal membrane of slant and compresses tightly the groove, and seal membrane compresses tightly groove department and disposes the elastic pressing strip, the border of seal membrane is filled in the seal membrane and is compressed tightly the groove and adopt the elastic pressing strip to be used for compressing tightly and sealed in order to implement vacuum preloading drainage.
Further, vertical groove has been seted up on the large-scale silt holding tank lateral wall, and vertical groove department disposes the hack lever, and the both ends of hack lever are gone into from vertical groove upper end card downwards, have the lasso on the hack lever, and the lasso corresponds to the drainage post sets up, and the location of drainage post is realized to the lasso cover on the drainage post.
The invention also provides a sludge drainage method implemented by adopting the sludge treatment system, which comprises the following steps:
1) wrapping the geotechnical filter cloth on the water filtering column, and fastening and fixing the water filtering column and the porous metal net which are integrally constructed on the water drainage groove;
2) laying the geotechnical filter cloth at the bottom of the large sludge accommodating groove, wherein the geotechnical filter cloth is provided with a round hole corresponding to the water filtering column, the water filtering column penetrates through the round hole, and the geotechnical filter cloth wrapping the water filtering column and the geotechnical filter cloth laid at the bottom of the large sludge accommodating groove are distributed in an overlapping manner;
3) conveying the sludge into a large sludge accommodating tank;
4) starting a vacuumizing device to perform primary pumping;
5) paving a sealing mould on the surface of the sludge, plugging the edge of the sealing mould into the sealing film pressing groove, and pressing and sealing by using an elastic pressing strip to implement vacuum preloading drainage;
6) digging out the sludge solidified by the drainage treatment from the large sludge accommodating tank;
7) demolish the drainage post from large-scale silt holding tank bottom, pull up the geotechnological filter cloth of large-scale silt holding tank bottom from one end, to the other end pulling, take out the mummification soil wholly.
The invention has the technical effects that:
1) the bottom of the large sludge holding tank of the sludge treatment system is provided with a drainage tank, a porous metal net is arranged at the drainage tank, water in sludge in the holding tank can be actively discharged from the drainage tank after being filtered by only geotechnical filter cloth from top to bottom, and all drainage in the drainage structure is discharged from the bottom, the upper surface of the sludge can be sealed by a complete sealing film (the traditional vacuum preloading is connected with a pumping and drainage pipeline system from the upper part, the connecting pipeline needs to break through the sealing film and geotechnical cloth, the sealing performance is influenced, and the construction complexity is increased), and the edge of the sealing film is tightly pressed in a sealing film pressing groove by an elastic pressing strip.
2) The water filtering column of the system is connected with the pumping drainage pipeline, so that the upward layered water can be discharged by the upper end of the water filtering column, the middle part of the water filtering column can also rapidly discharge the water which is not layered upwards and permeated downwards after penetrating into the sludge, and the whole drainage process has strong initiative and large contact surface, so that the drainage efficiency and the drainage effect can be greatly improved
3) The method can quickly pump and drain water in the engineering sludge, and can integrally take out the dried residual soil by pulling the geotechnical filter cloth from one end to the other end in the last step, so that the large sludge accommodating tank can be quickly cleaned, and the sludge pumping and draining treatment of the next round can be quickly carried out.
4) The lateral wall upper portion of the large-scale silt holding tank of this system has the decurrent seal membrane of slant and compresses tightly the groove, and the seal membrane compresses tightly groove department and disposes the elastic pressing strip, the border of seal membrane is filled in the seal membrane and is compressed tightly the groove and adopt the elastic pressing strip to be used for compressing tightly and sealed, and this structure can make the sealed operation of seal membrane border department more convenient, the leakproofness is stronger, is favorable to the fast operation, promotes drainage efficiency and drainage effect.
Drawings
Fig. 1 is a schematic structural diagram of a sludge treatment system according to embodiment 1 of the present invention.
Fig. 2 is a schematic top view of the large sludge holding tank of fig. 1 with the water filtering column not installed.
Fig. 3 is a schematic top view of the large sludge holding tank of fig. 2 with a water filtering column installed therein.
Fig. 4 is a schematic view showing the structure of the sealing film pressing groove and the elastic pressing strip at the side of the large-sized sludge accommodating tank of fig. 3.
FIG. 5 is a schematic view of the sealing film pressing groove of FIG. 4 after the sealing film is inserted and pressed by the elastic pressing strip.
Fig. 6 is a schematic structural plan view of the hack lever of fig. 1.
Fig. 7 is a schematic structural diagram of a sludge treatment system according to embodiment 2 of the present invention.
Fig. 8 is a partially enlarged view of a portion a in fig. 1.
Fig. 9 is a schematic structural view of a sludge treatment system according to embodiment 3 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples, wherein the specific examples are provided for the purpose of illustration only and are not intended to limit the invention.
Referring to fig. 1-6 and 8, a sludge treatment system provided in embodiment 1 of the present invention includes a large sludge holding tank 1, a plurality of drainage channels 2 and drainage connection ends 3 are densely distributed at the bottom of the large sludge holding tank 1, the drainage channels 2 are distributed in an inverted cone shape, drainage ports 4 are formed at the bottoms of the drainage connection ends 3 and the drainage channels 2, the drainage connection ends 3 in embodiment 1 are the drainage channels 2, the drainage ports 4 are connected to a water outlet pipe 5, the outer end of the water outlet pipe 5 is connected to a vacuum pumping device 6, a porous metal mesh 7 is covered on the drainage channels 2, geotechnical filter cloth is laid at the bottom of the large sludge holding tank 1 and on the upper surface of each porous metal mesh 7, a water filtering column 8 is arranged at the drainage connection end 3 in a matching manner, the water filtering column 8 is hollow inside and has a water permeable hole on the outer surface, the water, the water filtering column 8 and the porous metal net 7 are integrally formed, a downward drain hole 9 is formed in the bottom of the porous metal net 7 corresponding to the water filtering column 8, and the porous metal net 7 and the drain groove 2 are fastened by a detachable fastening mechanism.
Referring to fig. 1 and 8, the fastening mechanism includes a pair of buckle holes 10 that set up in a plurality of evenly distributed of porous metal mesh edge, the lateral wall department of water drainage tank 2 has annular step face 11, and it has swing briquetting 12 to articulate on the lateral wall of water drainage tank 2, correspond on the annular step face 11 buckle hole 10 has been seted up and has been fixed with double-screw bolt 13, correspond on the swing briquetting 12 double-screw bolt 13 has been seted up trepanning 14, and swing briquetting 12 swing cup joints on the double-screw bolt 13 and adopt nut 15 to screw up. The fastening mechanism can very stably fix the porous metal mesh 7 and the water filtering column 8
Referring to fig. 1, 4 and 5, the upper part of the side wall of the large sludge accommodating tank 1 is provided with a downward inclined sealing film pressing groove 16, an elastic bead 17 is arranged at the sealing film pressing groove 16, the edge of the sealing film 18 is plugged into the sealing film pressing groove 16, and the elastic bead 17 is used for pressing and sealing to implement vacuum preloading drainage.
Referring to fig. 1 and 6, a vertical groove 18 is formed in the side wall of the large sludge accommodating groove 1, a frame rod 19 is arranged at the position of the vertical groove 18, two ends of the frame rod 19 are clamped downwards from the upper end of the vertical groove 18, a ferrule 20 is arranged on the frame rod 19, the ferrule 20 corresponds to the arrangement of the water filtering column 8, and the ferrule 20 is sleeved on the water filtering column 8 to position the water filtering column 8. The hack lever 19 can assist in stably setting up the water filtering column 8.
Referring to fig. 1 to 6 and 8, the present invention also provides a sludge drainage method implemented by the sludge treatment system provided in the above embodiment 1, comprising the steps of:
1) wrapping the geotechnical filter cloth on the water filtering column 8, and fastening and fixing the water filtering column 8 and the porous metal net 7 which are integrally constructed on the drainage channel 2;
2) the geotechnical filter cloth is laid at the bottom of the large sludge accommodating tank 1, round holes are formed in the geotechnical filter cloth corresponding to the water filtering columns, the water filtering columns 8 penetrate through the round holes, and the geotechnical filter cloth wrapping the water filtering columns 8 and the geotechnical filter cloth laid at the bottom of the large sludge accommodating tank 1 are distributed in an overlapping mode;
3) conveying the sludge into the large sludge accommodating tank 1;
4) starting the vacuumizing device 6 to perform primary vacuumizing;
5) a sealing mould 18 is laid on the surface of the sludge, the edge of the sealing mould is plugged into the sealing film pressing groove 16, and an elastic pressing strip 17 is used for pressing and sealing to implement vacuum preloading drainage;
6) digging out the sludge solidified by the drainage treatment from the large-sized sludge accommodating tank 1;
7) demolish drainage column 8 from large-scale silt holding tank 1 bottom, pull up the geotechnological filter cloth of large-scale silt holding tank 1 bottom from one end, to the other end pulling, take out the mummified soil wholly.
Referring to fig. 7, embodiment 2 of the present invention is substantially the same as embodiment 1 except that: 1 bottom of large-scale silt holding tank is densely covered with a plurality of water drainage tank 2 and water outlet connection end 3, and water drainage tank 2 is the obconic and distributes, and water outlet connection end 3 and water drainage tank 2 set up respectively in the tank bottoms portion, and the bottom of water outlet connection end 3 and water drainage tank 2 has outlet 4, and a plurality of outlets 4 are connected in outlet pipe 5, and outlet pipe 5 outer end is connected with evacuating device 6, water drainage tank 2 coats and is stamped porous metal mesh 7, geotechnological filter cloth has been laid to 1 bottom of large-scale silt holding tank, 7 upper surfaces of each porous metal mesh, 3 matches of water outlet connection end are provided with drainage column 8, and the inside cavity of drainage column 8 and surface have the hole of permeating water, and drainage column 8 connect in water outlet connection end 3 and.
Referring to fig. 9, embodiment 3 of the present invention is substantially the same as embodiment 1 except for the addition of the following configuration: set up closing cap 21 on large-scale silt holding tank 1, closing cap 21 sets up joint strip with large-scale silt holding tank 1's contact position, set up pressure boost air supply arrangement 22 on the closing cap 21, pressure boost air supply arrangement 22 is through having check valve 23 pressurize pipeline 24 and closing cap 21 below and the cavity that large-scale silt holding tank 1 surrounds the formation switches on, the operator can make silt obtain the downward pressure that is far greater than the atmospheric pressure when the vacuum preloading drainage through the punching press, promote the drainage effect.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. A sludge treatment system is characterized in that: including large-scale silt holding tank, the thick cloth in large-scale silt holding tank bottom has a plurality of water drainage tank and a water connection end, and water drainage tank is the obconic and distributes, and the bottom of water connection end and water drainage tank has the outlet, and a plurality of water outlet are connected in the outlet pipe, and the outlet pipe outer end is connected with evacuating device, water drainage tank coats and is stamped the porous metal net, geotechnological filter cloth has been laid to large-scale silt holding tank bottom, each porous metal net upper surface, it is provided with the drainage post to go out water connection end department matching, and the inside cavity of drainage post and surface have the hole of permeating water, the drainage post connect in go out.
2. The sludge treatment system of claim 1 wherein: the water filtering column and the porous metal net are integrally formed, a downward drain hole is formed in the bottom of the porous metal net corresponding to the water filtering column, and the porous metal net and the drain tank are fastened by a detachable fastening mechanism.
3. The sludge treatment system as claimed in claim 2, wherein: the buckling mechanism is including setting up in a plurality of evenly distributed's a pair of knot hole of porous metal mesh edge, the lateral wall department of water drainage tank has annular step face, and it has the swing briquetting to articulate on the lateral wall of water drainage tank, correspond on the annular step face the knot hole has been seted up and has been fixed with the double-screw bolt, correspond on the swing briquetting the trepanning has been seted up to the double-screw bolt, and the swing piece swing cup joints on the double-screw bolt and adopt the nut to screw up.
4. A sludge treatment system as claimed in claim 1, 2 or 3 wherein: the lateral wall upper portion of large-scale silt holding tank has the decurrent seal membrane of slant and compresses tightly the groove, and seal membrane compresses tightly groove department and disposes the elasticity layering, the border of seal membrane is filled in the seal membrane and is compressed tightly the groove and adopt the elasticity layering to be used for compressing tightly and sealed in order to implement vacuum preloading drainage.
5. A sludge treatment system as claimed in claim 1, 2 or 3 wherein: vertical groove has been seted up on the large-scale silt holding tank lateral wall, and vertical groove department disposes the hack lever, and the both ends of hack lever are gone into from vertical groove upper end card downwards, have the lasso on the hack lever, and the lasso corresponds to the drainage post sets up, and the location of drainage post is realized to the lasso cover on the drainage post.
6. The sludge treatment system as claimed in claim 4, wherein: vertical groove has been seted up on the large-scale silt holding tank lateral wall, and vertical groove department disposes the hack lever, and the both ends of hack lever are gone into from vertical groove upper end card downwards, have the lasso on the hack lever, and the lasso corresponds to the drainage post sets up, and the location of drainage post is realized to the lasso cover on the drainage post.
7. A method of draining sludge using the sludge treatment system of claim 6, wherein: the method comprises the following steps:
1) wrapping the geotechnical filter cloth on the water filtering column, and fastening and fixing the water filtering column and the porous metal net which are integrally constructed on the water drainage groove;
2) laying the geotechnical filter cloth at the bottom of the large sludge accommodating groove, wherein the geotechnical filter cloth is provided with a round hole corresponding to the water filtering column, the water filtering column penetrates through the round hole, and the geotechnical filter cloth wrapping the water filtering column and the geotechnical filter cloth laid at the bottom of the large sludge accommodating groove are distributed in an overlapping manner;
3) conveying the sludge into a large sludge accommodating tank;
4) starting a vacuumizing device to perform primary pumping;
5) paving a sealing mould on the surface of the sludge, plugging the edge of the sealing mould into the sealing film pressing groove, and pressing and sealing by using an elastic pressing strip to implement vacuum preloading drainage;
6) digging out the sludge solidified by the drainage treatment from the large sludge accommodating tank;
7) demolish the drainage post from large-scale silt holding tank bottom, pull up the geotechnological filter cloth of large-scale silt holding tank bottom from one end, to the other end pulling, take out the mummification soil wholly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010738210.6A CN112028437A (en) | 2020-07-28 | 2020-07-28 | Sludge treatment system and sludge drainage method implemented by adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010738210.6A CN112028437A (en) | 2020-07-28 | 2020-07-28 | Sludge treatment system and sludge drainage method implemented by adopting same |
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| CN112028437A true CN112028437A (en) | 2020-12-04 |
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| CN202010738210.6A Pending CN112028437A (en) | 2020-07-28 | 2020-07-28 | Sludge treatment system and sludge drainage method implemented by adopting same |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004051005A1 (en) * | 2002-12-05 | 2004-06-17 | Baggermaatschappij Boskalis B.V. | Soil drainage system |
| JP2004316068A (en) * | 2000-09-20 | 2004-11-11 | Maruyama Kogyo Kk | Improvement method for soft ground and improvement device |
| CN201809347U (en) * | 2010-06-12 | 2011-04-27 | 泽尔曼生物能源技术（北京）有限公司 | Film sealing device for sewage gas reaction tank |
| CN103628468A (en) * | 2013-12-24 | 2014-03-12 | 山东大学 | Foundation treatment method adopting water penetration pile in combination with vacuum preloading |
| CN205798786U (en) * | 2016-06-14 | 2016-12-14 | 安徽机电职业技术学院 | A kind of wiggling and pressing block helical clamping apparatus |
| JP2018119348A (en) * | 2017-01-26 | 2018-08-02 | キャドテック株式会社 | Improvement device of weak ground and improvement method of weak ground |
| CN209163006U (en) * | 2018-11-16 | 2019-07-26 | 深圳市德派装饰设计工程有限公司 | A kind of concealed discharge structure in toilet |
| CN111305186A (en) * | 2020-02-20 | 2020-06-19 | 浙江省疏浚工程有限公司 | Double-layer vacuum preloading soft soil foundation reinforcing structure |
-
2020
- 2020-07-28 CN CN202010738210.6A patent/CN112028437A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004316068A (en) * | 2000-09-20 | 2004-11-11 | Maruyama Kogyo Kk | Improvement method for soft ground and improvement device |
| WO2004051005A1 (en) * | 2002-12-05 | 2004-06-17 | Baggermaatschappij Boskalis B.V. | Soil drainage system |
| CN201809347U (en) * | 2010-06-12 | 2011-04-27 | 泽尔曼生物能源技术（北京）有限公司 | Film sealing device for sewage gas reaction tank |
| CN103628468A (en) * | 2013-12-24 | 2014-03-12 | 山东大学 | Foundation treatment method adopting water penetration pile in combination with vacuum preloading |
| CN205798786U (en) * | 2016-06-14 | 2016-12-14 | 安徽机电职业技术学院 | A kind of wiggling and pressing block helical clamping apparatus |
| JP2018119348A (en) * | 2017-01-26 | 2018-08-02 | キャドテック株式会社 | Improvement device of weak ground and improvement method of weak ground |
| CN209163006U (en) * | 2018-11-16 | 2019-07-26 | 深圳市德派装饰设计工程有限公司 | A kind of concealed discharge structure in toilet |
| CN111305186A (en) * | 2020-02-20 | 2020-06-19 | 浙江省疏浚工程有限公司 | Double-layer vacuum preloading soft soil foundation reinforcing structure |
Non-Patent Citations (1)
| Title |
|---|
| 李东侠，徐光华主编: "《土力学与地基基础》", 北京理工大学出版社, pages: 266 - 267 * |
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