CN106269833B - Dialysis device for treating soil pollution - Google Patents
Dialysis device for treating soil pollution Download PDFInfo
- Publication number
- CN106269833B CN106269833B CN201610837931.6A CN201610837931A CN106269833B CN 106269833 B CN106269833 B CN 106269833B CN 201610837931 A CN201610837931 A CN 201610837931A CN 106269833 B CN106269833 B CN 106269833B
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- Prior art keywords
- pipe
- sand
- metal
- sand well
- water
- Prior art date
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- 238000000502 dialysis Methods 0.000 title claims abstract description 17
- 238000003900 soil pollution Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000004576 sand Substances 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims description 13
- 239000004746 geotextile Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 49
- 239000003344 environmental pollutant Substances 0.000 description 11
- 231100000719 pollutant Toxicity 0.000 description 11
- 238000010276 construction Methods 0.000 description 8
- 238000000746 purification Methods 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000035558 fertility Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000006740 morphological transformation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
A dialysis device for treating soil pollution comprises a plurality of sand well pipes with metal pipes and a sand well pipe installation mechanism, wherein the metal pipes are connected with a water pumping and draining device; the sand well pipe installation mechanism comprises a steel mould pipe with a pile shoe, a main upright post and a lifting support frame; the lower part of the lifting support frame is connected with a plurality of pressing rods which are aligned with and press the top of the sand well pipe, and the pressing rods are configured with the steel mould pipe; the upper part of the top pressure rod is connected with a lifting support frame, the lower part of the main upright post is connected with a vibrating hammer, the lower part of the main upright post is connected with a connecting beam with a plurality of steel mould pipes, the sand well pipe comprises a cloth bag filled with sand grains, the center of the sand well pipe is provided with a metal pipe, the center of the sand well pipe is provided with a plurality of opposite perforations along the length direction of the pipe, the periphery of the sand well pipe is provided with a metal square sand cloth for wrapping, and the size of the metal square is smaller than the diameter of the sand grains; the invention has the advantages of simpler structure, smaller equipment investment and relatively lower treatment cost.
Description
Technical Field
The invention relates to a soil purifying treatment technology, in particular to a dialysis device for treating soil pollution, which adopts a dialysis method to wash out pollutants and residues in soil, so that polluted agro-farming soil and commercial land are purified.
Background
At present, soil pollution in rural areas in China is very prominent, and cultivated land pollution simultaneously causes accumulation of harmful substances in crops, and the harmful substances enter human bodies through food chains to endanger the health of the human bodies; soil pollutants can pollute the atmosphere through diffusion, accumulate to plant bodies and the like through morphological transformation, and bring serious harm to the ecological environment and human health.
Currently, a plurality of ways are adopted in China to try to treat soil pollution in a plurality of ways, wherein as in the Chinese patent No. ZL201410189002.X, a spiral recursion discharge plasma soil purifying treatment device, the device comprises a cylindrical reactor and a spiral turntable arranged in the reactor, the spiral turntable comprises an outer spiral turntable and an inner spiral turntable which are opposite in rotation direction, a part of the inner spiral turntable is externally embedded in the outer spiral turntable and is internally connected with a rotating shaft driven by a transmission mechanism to rotate, and the rotating shaft is a conductor and the axis is coincident with the axis of the reactor; the upper end of the reactor is provided with a material inlet, the upper part of the cylinder wall of the reactor is provided with a material outlet, the lower part of the cylinder wall is provided with an air inlet hole for introducing air into the reactor through an air pressure pump, the bottom of the reactor is provided with a micropore disc for dispersing the air introduced by the air inlet hole, the cylinder wall of the reactor is of a double-layer structure, the inner layer is a conductive layer, the outer layer is an insulating layer, and the conductive layer and the rotating shaft of the reactor are respectively connected with the anode and the cathode of a high-voltage pulse variable-frequency power supply.
The spiral recursion type discharge plasma soil purifying treatment device has the advantages of being simple in operation, high in pollutant removal efficiency, free of secondary pollution and the like; however, the device has a complex structure, and the device has large equipment investment and high treatment cost.
Disclosure of Invention
The invention aims to solve the technical problem of providing a dialysis device for treating soil pollution, which has a simple structure and relatively low treatment cost.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a administer dialysis device of soil pollution which characterized in that: the dialysis device comprises a plurality of sand well pipes with metal pipes and a sand well pipe installation mechanism, wherein the metal pipes are connected with a water pumping and draining device; the sand well pipe installation mechanism comprises a steel mould pipe with a pile shoe, a main upright post and a lifting support frame; the lower part of the lifting support frame is connected with a plurality of pressing rods which are aligned with and press the top of the bagged sand well pipe, and the pressing rods are configured with the steel mould pipe; the upper part of the top pressure rod is connected with the lifting support frame, and the lifting support frame can move up and down along the main upright post; and a vibrating hammer is connected below the main upright post, and a connecting beam with a plurality of steel mould pipes is connected below the vibrating hammer.
The sand well pipe comprises a cloth bag sewn by geotextiles, middle-thick sand grains are filled in the cloth bag, a metal pipe is arranged in the center of the cloth bag, and the bottom of the metal pipe is sealed; the side surface of the metal pipe is provided with a plurality of pairs of perforations along the length direction of the pipe, the pairs of perforations are arranged at intervals of 200mm along the length direction of the pipe, and the adjacent pairs of perforations are alternately arranged at 90 degrees; the lowest position of the pair of perforations is set to be about 2m from the ground; the periphery of the pair of perforations is provided with a metal square abrasive cloth package, and the size of the metal square is smaller than the diameter of the sand grains.
In order to obtain an excellent dialysis effect, the diameter of the sand grains is 80mm to 100mm.
Preferably, the metal pipe has a specification of 3/4; the aperture of the pair of perforations is 5-8 mm; the optimal pore size is 6mm.
In order to obtain the ideal effect of soil purification treatment, the water pumping and draining device comprises a branch pipe connected with the metal pipe, the branch pipe is connected with a main pipe, the main pipe is respectively connected with a water pumping pipe with a water pumping pump and a water filling pipe with a water filling pump, the water pumping pump is connected with a sewage tank, and the water filling pump is connected with a clean water tank. Compared with the prior art, the invention has the advantages that: the structure is simpler, the equipment investment is smaller, and the treatment cost is relatively lower.
For the high water level area and the dry land with low water level, the soil purification construction procedure is as follows;
for high water level areas, stopping working when the water outlet flow of the water pump is reduced to 20% of the normal water pumping flow, and indicating that most of water in soil particle gaps in polluted soil is pumped and discharged to the sewage tank; obtaining sewage pumping capacity and pollutant content through detecting the sewage tank; then starting the water filling pump, and filling clean water with the same volume according to the sewage pumping capacity into the polluted soil; and then starting the water pumping pump to pump water, repeating the alternate operation of pressure water filling and pressure water pumping, and realizing dialysis cleaning of soil until the pollutant content of the polluted water in the sewage tank reaches the requirement.
Starting a water filling pump for a dry land with a low water level, continuously filling water for 2-3 days to fully soak soil, and then performing alternate operation of alternate water filling and water pumping to complete dialysis cleaning of the soil; and (5) until the requirement of the allowable pollutant content is met, completing the dialysis and purification treatment of the soil.
In the process of the dialysis and purification treatment of the soil, the fertility of the dialyzed and purified soil is also greatly reduced due to repeated irrigation and drainage, and in order to improve the fertility of the soil, the irrigation pump is required to irrigate soilless culture liquid into the soil at last while removing pollutants in the soil.
Compared with the prior art, the invention has the advantages that: the device can be widely applied to areas with high water level and low water level, has simpler structure, smaller equipment investment and lower treatment cost.
Drawings
FIG. 1 is a schematic view of a bagged sand well pipe structure of the present invention;
FIG. 2 is a schematic view of a sand well pipe installation mechanism of the present invention;
FIG. 3 is a construction program diagram of the sand well pipe embedded in the soil layer according to the present invention;
FIG. 4 is a schematic construction diagram of the present invention;
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 4, the present embodiment includes a plurality of sand well pipes 10 in bags, a sand well pipe installation mechanism 30, and a water pumping and draining device 20; the structure of the bagged sand well pipe 10 comprises a cloth bag 2 sewn by geotextiles, wherein middle-coarse sand grains 5 with the diameter of 80-100 mm are filled in the cloth bag; the center of the cloth bag is provided with a metal tube 1, and the specification of the metal tube is 3/4; sealing the bottom of the metal pipe; the side surface of the metal tube is provided with a plurality of pairs of perforations 3 along the length direction of the tube, the pairs of perforations 3 are arranged at intervals of about 200mm along the length direction of the tube, and the adjacent pairs of perforations 3 are arranged alternately at 90 degrees; the aperture of the pair of perforations is 5-8 mm; the optimal aperture is 6mm; the lowest position of the pair of perforations is set to be about 2m from the ground; as shown in fig. 1;
the periphery of the perforation of the metal tube is provided with a metal square grid abrasive cloth 4 for wrapping, and the size of the metal square grid is smaller than the diameter of sand grains, so as to prevent the sand grains 5 in the cloth bag from being sucked into the metal tube and discharged from the metal tube;
the metal pipe 1 is connected with the branch pipe 11, the branch pipe 11 is connected to the main pipe 12 in a converging way, and the water suction pump 16 and the irrigation pump 15 are respectively connected with the main pipe 12 through the water suction pipe 14 and the irrigation pipe 13.
The sand well pipe mounting mechanism 30 comprises a steel mould pipe 31, a pile shoe 32, a vibrating hammer 33, a connecting beam 34, a main upright post 35, a top compression rod 36 and a lifting support frame 37;
the lower part of the lifting support frame 37 is connected with a plurality of pushing rods 36, and the pushing rods 36 push the top of the bagged sand well pipe 10 and are pressed into the steel mould pipe 31; the upper part of the top pressure rod is connected with a lifting support frame 37, and the lifting support frame 37 can move up and down along the main upright post 35; a vibrating hammer 33 is connected below the main upright post 35, and a connecting beam 34 with a plurality of steel mould pipes 31 is connected below the vibrating hammer 33; as shown in fig. 2 and 3;
4 phi 200mm steel mould pipes 31 with intervals of 1 meter are arranged on a connecting beam 34 of the sand well pipe mounting mechanism 30 in parallel, a elution type pile shoe 32 is sleeved at the lower end of the steel mould pipe, the connecting beam 34 and a vibrating hammer 33 are connected into a whole through bolts, and the connecting beam 34 and the vibrating hammer are slipped along a main upright post 35, and are similar to a construction vibrating immersed tube filling pile.
The adjacent interval of the sand well pipe 10 in the bag is 1-1.5 m; at every 1000m 2 The arrangement of a set of water suction pumps, a set of water filling pumps, corresponding pipelines, a sewage tank and a clean water tank on the polluted land area is called a unit tillage cleaning treatment system; according to the investigation report of polluted soil, the bagged sand pipe 10 needs to pass through the polluted soil and secondary polluted soil, and the bottom of the bagged sand pipe 10 needs to touch clean soil. The metal pipe 1 in the center of the sand well pipe 10 is connected with a branch pipe 11, the branch pipe 11 is connected to a main pipe 12 in a converging way, and a water suction pump 16 and a water filling pump 15 are respectively connected with the main pipe 12 through a water suction pipe 14 and a water filling pipe 13;
when the soil squeezing immersed tube filling pile is constructed in a soft soil stratum, the phenomenon of rebound shrinkage of the squeezed soft soil exists in the steel mould tube, actually measured in the soft soil stratum, a concrete pile shoe capable of being detached is sleeved with the steel mould tube with the diameter of 325mm, the soil squeezing construction vibrates and sinks into the soil layer for 12 meters, the concrete pile shoe in the pile hole is lifted from-12 meters to-5.2 meters and stops, at the moment, the pile hole with the diameter of 12 meters is changed into the pile hole with the diameter of 5.2 meters, so that the dead weight pressure in the steel mould tube is insufficient, and the dead weight pressure of an empty pipe in the steel mould tube is zero; because the dead weight of the sand well pipe 10 is too small to be buried to the required elevation, the sand well pipe 10 is lifted by adopting a jacking rod 36 mechanism, the jacking rod jacks the top of the bagged sand well pipe 10, and the top of the jacking rod 36 is provided with a lifting support frame 37 with enough dead weight pressure, so that the bagged sand well pipe 10 can not rise when the steel mould pipe 31 is lifted in the burying depth; the sand well pipe 10 can be placed in the steel mould pipe 31 to fill with clean water, so that the self-weight pressure in the pipe is increased, but the water injection construction efficiency is lower.
The procedure for burying the sand well pipe 10 into the soil layer is as follows, as shown in fig. 3;
(1) embedding a concrete pile shoe 32 in the position where the sand well pipe 10 is embedded, sleeving a steel mould pipe 31 into the concrete pile shoe 32, and correcting the verticality;
(2) vibrating to sink the steel mould tube 31 sleeved with the concrete pile shoe into the soil layer to a required elevation;
(3) the sand well pipe 10 is placed in the steel mould pipe 31, the top of the central pipe 1 in the sand well pipe is propped by adopting a propping rod 36, and the steel mould pipe 31 is pulled up in a vibrating mode;
(4) the steel mould pipe 31 is pulled out of the soil layer completely, and the sand well pipe 10 is buried into the soil layer according to the required depth;
the water pumping and draining device 20 comprises a branch pipe 11 connected with the metal pipe 1 of the cloth bag, the branch pipe 11 is connected with a main pipe 12, the main pipe 12 is respectively connected with a water pumping pipe 14 with a water pumping pump 16 and a water filling pipe 13 with a water filling pump 15, the water pumping pump 16 is connected with a sewage tank 18, and the water filling pump 15 is connected with a clean water tank 19, as shown in fig. 4;
the soil purification construction procedure is as follows;
determining a scheme for dialyzing and treating the polluted soil according to the water level of the polluted soil; for high water level areas, the water outlet flow of the water pump 16 can be reduced to 20% of the normal water pumping flow, and the water in the soil particle gaps in polluted soil is mostly pumped and discharged to the sewage tank 18; obtaining sewage pumping capacity and pollutant content through detection; then starting a water filling pump 15, filling clean water with the same volume according to the sewage pumping capacity into the polluted soil, and stopping filling the clean water into gaps of the polluted soil particles under pressure; and then the water suction pump 16 is started for water pumping construction, so that the alternate operation of pressure water filling and pressure water is repeated, the soil is cleaned, and the pollutant content of the polluted water in the sewage tank reaches the requirement.
For dry lands with low water level, starting the water filling pump 15, continuously filling water for 2-3 days to fully soak the soil, and then alternately performing the alternate water filling and water pumping operation to finish the cleaning of the soil; and (5) finishing the soil purification treatment until the requirement of the allowable pollutant content is met.
The clean water refers to river water or river water without pollutants; the water pumping construction of the water pump 16 is carried out for the last time until no water can be pumped and discharged; the soil is filled with the soilless culture solution by the water filling pump 15, and the soil fertility is greatly reduced while the pollutants in the soil are removed by repeated irrigation and drainage, so that the soilless culture solution is finally required to be filled under pressure in order to improve the soil fertility.
Claims (3)
1. The utility model provides a administer dialysis device of soil pollution which characterized in that: the dialysis device comprises a plurality of bagged sand well pipes (10) with metal pipes (1) and a sand well pipe installation mechanism (30), wherein the metal pipes (1) are connected with a water pumping and draining device (20); the sand well pipe installation mechanism (30) comprises a steel mould pipe (31) with a pile shoe (32), a main upright post (35) and a lifting support frame (37); the lower part of the lifting support frame (37) is connected with a plurality of pushing rods (36), the pushing rods (36) are aligned with and push the top of the bagged sand well pipe (10), and the pushing rods (36) are configured with the steel mould pipe (31); the upper part of the top pressure rod is connected with the lifting support frame (37), and the lifting support frame can move up and down along the main upright post (35); a vibrating hammer (33) is connected below the main upright post, and a connecting beam (34) with a plurality of steel mould pipes is connected below the vibrating hammer;
the bagged sand well pipe (10) comprises a cloth bag (2) sewn by geotextile, middle-coarse sand grains (5) are filled in the cloth bag, a metal pipe (1) is arranged in the center of the cloth bag, and the bottom of the metal pipe is sealed; the side surface of the metal tube is provided with a plurality of pairs of perforations (3) along the length direction of the tube, the pairs of perforations are arranged at intervals of 200mm along the length direction of the tube, and adjacent pairs of perforations are alternately arranged at 90 degrees; the lowest position of the pair of perforations is set to a height of 2m from the ground; the peripheries of the pair of perforations are provided with metal square grid sand cloth (4) for wrapping, and the size of the metal square grid is smaller than the diameter of the sand grains;
the water pumping and draining device (20) comprises a branch pipe (11) connected with the metal pipe (1), the branch pipe is connected with a main pipe (12), the main pipe is respectively connected with a water suction pipe (14) with a water suction pump (16) and a water filling pipe (13) with a water filling pump (15), the water suction pump is connected with a sewage tank (18), and the water filling pump (15) is connected with a clean water tank (19).
2. The dialysis device for remediating soil pollution as claimed in claim 1, wherein: the diameter of the sand grains is 80 mm-100 mm.
3. The dialysis device for remediating soil pollution as claimed in claim 1, wherein: the specification of the metal tube (1) is 3/4 inch; the pore diameter of the pair of perforations is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837931.6A CN106269833B (en) | 2016-09-18 | 2016-09-18 | Dialysis device for treating soil pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837931.6A CN106269833B (en) | 2016-09-18 | 2016-09-18 | Dialysis device for treating soil pollution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106269833A CN106269833A (en) | 2017-01-04 |
| CN106269833B true CN106269833B (en) | 2024-01-05 |
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ID=57711429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610837931.6A Active CN106269833B (en) | 2016-09-18 | 2016-09-18 | Dialysis device for treating soil pollution |
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| CN (1) | CN106269833B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3724779A1 (en) * | 1987-07-25 | 1989-02-02 | Frank Lorenz | Process for treating contaminated soils and apparatus for carrying out the process |
| JP2002143828A (en) * | 2000-11-09 | 2002-05-21 | Ichinomiya Kimitake | Countermeasure method for cleaning of soil and soil cleaning system |
| JP2004330177A (en) * | 2003-05-08 | 2004-11-25 | Shinano Kensetsu Kk | Simple purification technique for contaminated soil |
| JP2005074301A (en) * | 2003-08-29 | 2005-03-24 | Ohbayashi Corp | Cleaning method for hardly-gas/water-permeable contaminated soil and system |
| CN101503875A (en) * | 2009-02-06 | 2009-08-12 | 孔清华 | Vacuum drainage sand wick soft ground processing method |
| CN201386273Y (en) * | 2009-02-06 | 2010-01-20 | 孔清华 | Device for processing soft clay foundation |
| CN103433274A (en) * | 2013-08-19 | 2013-12-11 | 百诺纳米科技（苏州）有限公司 | Contaminated soil in-situ remediation system |
| CN103736722A (en) * | 2014-01-13 | 2014-04-23 | 韩清洁 | In-situ polluted soil leaching system and method |
| CN104032726A (en) * | 2013-03-04 | 2014-09-10 | 五邑大学 | Post-grouting capped rigid pile and drainage unit combined foundation treatment technology |
| CN104043644A (en) * | 2013-07-01 | 2014-09-17 | 东营金川水土环境工程有限公司 | Method for treating soil pollution by using layered circulation cleaning |
| CN203853374U (en) * | 2014-01-13 | 2014-10-01 | 韩清洁 | In-situ polluted soil leaching system |
| CN204000830U (en) * | 2014-06-27 | 2014-12-10 | 中铁建港航局集团勘察设计院有限公司 | Merogenesis take-over type sand drain machine |
| CN104438299A (en) * | 2013-09-23 | 2015-03-25 | 天津绿茵景观生态建设股份有限公司 | Comprehensive apparatus for polluted-soil restoration and vegetation recovery |
| CN204982856U (en) * | 2015-09-30 | 2016-01-20 | 南京瑞迪建设科技有限公司 | Ground precipitation reinforcing system |
| CN206104541U (en) * | 2016-09-18 | 2017-04-19 | 浙江华展工程研究设计院有限公司 | Administer soil pollution's dialysis apparatus |
-
2016
- 2016-09-18 CN CN201610837931.6A patent/CN106269833B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3724779A1 (en) * | 1987-07-25 | 1989-02-02 | Frank Lorenz | Process for treating contaminated soils and apparatus for carrying out the process |
| JP2002143828A (en) * | 2000-11-09 | 2002-05-21 | Ichinomiya Kimitake | Countermeasure method for cleaning of soil and soil cleaning system |
| JP2004330177A (en) * | 2003-05-08 | 2004-11-25 | Shinano Kensetsu Kk | Simple purification technique for contaminated soil |
| JP2005074301A (en) * | 2003-08-29 | 2005-03-24 | Ohbayashi Corp | Cleaning method for hardly-gas/water-permeable contaminated soil and system |
| CN101503875A (en) * | 2009-02-06 | 2009-08-12 | 孔清华 | Vacuum drainage sand wick soft ground processing method |
| CN201386273Y (en) * | 2009-02-06 | 2010-01-20 | 孔清华 | Device for processing soft clay foundation |
| CN104032726A (en) * | 2013-03-04 | 2014-09-10 | 五邑大学 | Post-grouting capped rigid pile and drainage unit combined foundation treatment technology |
| CN104043644A (en) * | 2013-07-01 | 2014-09-17 | 东营金川水土环境工程有限公司 | Method for treating soil pollution by using layered circulation cleaning |
| CN103433274A (en) * | 2013-08-19 | 2013-12-11 | 百诺纳米科技（苏州）有限公司 | Contaminated soil in-situ remediation system |
| CN104438299A (en) * | 2013-09-23 | 2015-03-25 | 天津绿茵景观生态建设股份有限公司 | Comprehensive apparatus for polluted-soil restoration and vegetation recovery |
| CN103736722A (en) * | 2014-01-13 | 2014-04-23 | 韩清洁 | In-situ polluted soil leaching system and method |
| CN203853374U (en) * | 2014-01-13 | 2014-10-01 | 韩清洁 | In-situ polluted soil leaching system |
| CN204000830U (en) * | 2014-06-27 | 2014-12-10 | 中铁建港航局集团勘察设计院有限公司 | Merogenesis take-over type sand drain machine |
| CN204982856U (en) * | 2015-09-30 | 2016-01-20 | 南京瑞迪建设科技有限公司 | Ground precipitation reinforcing system |
| CN206104541U (en) * | 2016-09-18 | 2017-04-19 | 浙江华展工程研究设计院有限公司 | Administer soil pollution's dialysis apparatus |
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| Publication number | Publication date |
|---|---|
| CN106269833A (en) | 2017-01-04 |
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