CN113000586A - Be used for prosthetic drip washing device of soil - Google Patents
Be used for prosthetic drip washing device of soil Download PDFInfo
- Publication number
- CN113000586A CN113000586A CN202110163549.2A CN202110163549A CN113000586A CN 113000586 A CN113000586 A CN 113000586A CN 202110163549 A CN202110163549 A CN 202110163549A CN 113000586 A CN113000586 A CN 113000586A
- Authority
- CN
- China
- Prior art keywords
- flotation
- soil
- pipe
- tank
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
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
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a leaching device for soil remediation, which comprises a feeding device, a leaching device, a soil screening device, a leaching solution recovery tank, an emulsion flotation device and a solid-liquid separator, wherein the soil screening device is arranged below the feeding device, a first spray pipe is connected with a chemical tank through a first hydraulic pump, a second spray pipe is connected with a clean water tank through a second hydraulic pump, the output end of the first spray pipe and the output end of the second spray pipe are both arranged at the input end of the soil screening device, the leaching solution recovery tank is arranged below the soil screening device, the leaching solution recovery tank, the emulsion flotation device and the chemical tank are sequentially connected through pipelines, and the solid-liquid separator is also arranged between the emulsion flotation device and the chemical tank. Polluted soil in the soil screening device is leached by the spraying device, so that pollutants in the soil fall into the leaching solution recovery tank along with the leaching solution, and the soil treatment efficiency is improved.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a leaching device for soil remediation.
Background
With the continuous development of society, the soil pollution caused by various factors such as industrial sewage discharge, pesticide abuse and the like is more and more serious, so that the ecological environment is seriously threatened, and the food safety is also influenced.
The traditional soil remediation means comprises physical remediation, chemical remediation and biological remediation, wherein the physical remediation comprises an electrokinetic method, an electrothermal remediation technology, a vitrification technology, a frozen soil technology and the like besides the traditional methods of soil dressing, soil dumping, soil replacement and the like; the chemical remediation is to select a proper chemical remediation agent according to the soil property and the heavy metal type, and remove the heavy metal in the soil by using the actions of desorption activation, oxidation reduction, chelation dissolution and the like; bioremediation is the absorption, fixation, extraction and other actions of heavy metals by plants or microorganisms. However, these repair methods have problems of complicated repair methods, high repair cost, and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing the leaching device for soil remediation, the soil is screened into particles with different sizes through the soil screening device, and meanwhile, the spraying device continuously washes the soil, so that the leaching solution is fully contacted with the soil, the decomposition efficiency of pollutants in the soil is improved, the tail end treatment capacity of the polluted soil is reduced, and the leaching device has the advantages of simple structure, convenience in operation and high treatment efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: a leaching device for soil remediation comprises a feeding device, a leaching device, a soil screening device, a leaching solution recovery tank, an emulsion flotation device and a solid-liquid separator, wherein the feeding device comprises a conveying belt and a feeding bin, the feeding bin is arranged below the output end of the conveying belt, the soil screening device is arranged below the feeding bin, the leaching device comprises a first spraying pipe, a second spraying pipe, a first hydraulic pump, a second hydraulic pump, a clean water tank and a medicament tank, the first spraying pipe is connected with the medicament tank through the first hydraulic pump, the second spraying pipe is connected with the clean water tank through the second hydraulic pump, the output end of the first spraying pipe and the output end of the second spraying pipe are both arranged at the input end of the soil screening device, and the leaching solution recovery tank is arranged below the soil screening device, the leacheate recycling tank, the emulsification flotation device and the reagent tank are sequentially connected through pipelines, and the solid-liquid separator is arranged on the pipeline connected with the emulsification flotation device and the reagent tank.
In a better technical scheme of the invention, the soil screening device comprises a screen, a discharge bin, a first motor and a cam, more than two layers of screen are obliquely arranged in parallel, the discharge bin is arranged at the lower end of each layer of screen, the first motor is arranged at the left side of the screen, a power output shaft on the motor is connected with the cam, the cam is abutted against the screen, and the leacheate is recovered and positioned below the screen.
In a preferred technical scheme of the invention, the aperture of more than two layers of screens is reduced from top to bottom in sequence.
In a preferred technical solution of the present invention, the emulsion flotation device includes a flotation tank, a sedimentation tank, an aeration pipe, and a scum scraping device, wherein a first flotation zone, a second flotation zone, and a third flotation zone are disposed in the flotation tank, the first flotation zone is connected to the second flotation zone through a first opening, the second flotation zone is connected to the third flotation zone through a second opening, the leachate recycling tank is connected to the first flotation zone through a first pipe, the aeration pipe is disposed at the bottom of the flotation tank, the scum scraping device is disposed at an end of the third flotation zone away from the second opening, the scum scraping device is disposed above the slag outlet, the scum scraping device includes a second motor, a scum scraper, and a connecting rod, the connecting rod is fixedly disposed on the flotation tank, the second motor is disposed at a top end of the connecting rod, the floating separation tank is connected with the sedimentation tank through an inclined pipe, and the sedimentation tank is connected with the medicament tank through a second communicating pipe.
In a preferred technical scheme of the invention, the solid-liquid separator is provided with a liquid outlet, a filter residue inlet and a solid outlet, the liquid outlet is connected with the medicament pool through a second communicating pipe, and the filter residue inlet is connected with the slag outlet through a filter residue conveying pipe.
In a preferred technical scheme of the invention, the pipe orifices of the first spray pipe and the second spray pipe are provided with high-pressure spray orifices.
The invention has the beneficial effects that:
1. according to the leaching device for soil remediation, the soil is screened into particles with different sizes through the soil screening device, and meanwhile, the spraying device continuously washes the soil, so that the leaching solution is fully contacted with the soil, the decomposition efficiency of pollutants in the soil is improved, the treatment capacity of the tail end of the polluted soil is reduced, and the leaching device has the advantages of simple structure, convenience in operation and high treatment efficiency.
2. According to the leaching device for soil remediation, the scum and soil particles in the leaching solution are filtered through the emulsification flotation device, so that the leaching solution can be recycled, secondary pollution to soil is avoided, and remediation cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of a leaching device for soil remediation according to an embodiment of the present invention;
fig. 2 is a top view of the emulsion flotation device of fig. 1.
In the figure:
1-feeding device, 101-conveying belt, 102-feeding bin, 2-leaching device, 201-first spraying pipe, 202-second spraying pipe, 203-medicament pool, 204-clean water pool, 3-soil screening device, 301-screen, 302-discharging bin, 303-first motor, 304-cam, 4-leaching solution recovery tank, 5-emulsion flotation device, 51-flotation pool, 511-first flotation area, 512-second flotation area, 513-third flotation area, 514-first communicating port, 515-second communicating port, 516-slag outlet, 52-settling pond, 521-inclined pipe, 6-scum scraping device, 601-second motor, 602-scum scraper, 603-connecting rod, 7-solid-liquid separator, 701-liquid outlet, 702-filter residue inlet, 703-solid outlet, 801-first hydraulic pump, 802-second hydraulic pump, 9-first communicating pipe, 10-second communicating pipe, 11-third communicating pipe and 12-filter residue conveying pipe.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, in an embodiment, there is provided a leaching device for soil remediation, which includes a feeding device 1, a leaching device 2, a soil screening device 3, a leaching solution recycling tank 4, an emulsion flotation device 5 and a solid-liquid separator 7, wherein the feeding device 1 includes a conveyor belt 101 and a feeding bin 102, the feeding bin 102 is disposed below an output end of the conveyor belt 101, the soil screening device 3 is disposed below the feeding bin 102, the leaching device 2 includes a first spray pipe 201, a second spray pipe 202, a first hydraulic pump 801, a second hydraulic pump 802, a reagent tank 203 and a clean water tank 204, the first spray pipe 201 is connected with the reagent tank 203 through the first hydraulic pump 801, the second spray pipe 202 is connected with the clean water tank 204 through the second hydraulic pump 802, an output end of the first spray pipe 201 and an output end of the second spray pipe 202 are both disposed at an input end of the soil screening device 3, the leaching solution recycling tank 4 is disposed below the soil screening device 3, the soil screening device 3 is obliquely arranged, the leacheate recovery tank 4, the emulsification flotation device 5 and the reagent tank 203 are sequentially connected through pipelines, and a solid-liquid separator 7 is arranged on the pipeline connecting the emulsification flotation device 5 and the reagent tank 203. Through soil screening plant 3 with the granule of the not equidimension of soil screening, spray set 2 continuously washes soil simultaneously, makes the leacheate fully contact with soil, has improved the decomposition efficiency of the pollutant in the soil, reduces and pollutes the terminal handling capacity of soil, has simple structure, simple operation and the high advantage of treatment effeciency.
In order to improve the cleaning efficiency of the soil, further, the soil screening device 3 comprises a screen 301, a discharge bin 302, a first motor 303 and a cam 304, wherein more than two layers of screen 301 are obliquely arranged in parallel, the discharge bin 302 is arranged at the lower end of each layer of screen 301, the first motor 303 is arranged on the left side of the screen 301, a power output shaft of the motor 303 is connected with the cam 304, the cam 304 is abutted to the screen 301, and the leacheate recovery tank 4 is positioned below the screen 301. The cam 304 is driven to rotate through the first motor 303, so that the screen 301 vibrates, and the soil screening efficiency is improved.
In order to screen out soil particles with different particle sizes, the aperture of more than two layers of screens 301 is further reduced from top to bottom, and the diameter of the screen mesh is 15mm, 10mm and 5mm from top to bottom.
In order to remove the fine particles in the leacheate, as shown in fig. 2, the emulsion flotation device 5 comprises a flotation tank 51, a sedimentation tank 52, an aeration pipe 53 and a scum scraping device 6, wherein a first flotation area 511, a second flotation area 512 and a third flotation area 513 are arranged in the flotation tank 51, the first flotation area 511, the second flotation area 512 and the third flotation area 513 are arranged in parallel, the first flotation area 511 and the second flotation area 512 are connected through a first through hole 514, the second flotation area 511 and the third flotation area 512 are connected through a second through hole 515, the leacheate recovery tank 4 and the first flotation area 511 are connected through a first communication pipe 9, the aeration pipe is arranged at the bottom of the flotation tank 51, the scum scraping device 6 is arranged at the end of the third flotation area 513 far away from the second communication hole 515, the scum scraping device 6 comprises a second motor 601, a scum scraper 602 and a connecting rod 603, the connecting rod 603 is fixedly arranged on the flotation tank 51, the top end of the connecting rod 603 is provided with a second motor 601, more than two scum scrapers 602 are fixed on the power output shaft of the second motor 601, the flotation tank 51 is connected with the sedimentation tank 52 through an inclined pipe 521, and the sedimentation tank 52 is connected with the medicament tank 203 through a second communicating pipe 10. Gas is introduced into the flotation tank 51 through the aeration pipe to generate bubbles, so that the micro particles in the leacheate are adhered to the bubbles, float to the surface of the water body along with the bubbles and form foam or floccule, meanwhile, the second motor 601 drives the scum scraper 602 to rotate, scum is scraped to the slag outlet 516 from the surface of the leacheate, and then the leacheate in the flotation tank 51 flows into the sedimentation tank 52 through the inclined pipe 521 to be precipitated.
In order to separate the leacheate in the filter residue to obtain dry soil, the solid-liquid separator 7 is further provided with a liquid outlet 701, a filter residue inlet 702 and a solid outlet 703, the liquid outlet 701 is connected with the medicament pool 203 through a third communicating pipe 11, and the filter residue inlet 702 is connected with the slag outlet 516 through a filter residue conveying pipe 12. Scum in the slag outlet 516 enters the solid-liquid separator 7 through the second communication pipe 42, and the solid is discharged from the solid outlet 703 at the lower part by the solid-liquid separator 7, and the liquid is discharged from the liquid outlet 702 at the upper part.
In order to control the water pressure of the spraying device, further, the pipe orifices of the first spraying pipe 201 and the second spraying pipe 202 are provided with high-pressure spraying orifices.
The working principle is as follows: during soil remediation, contaminated soil is conveyed to the feeding bin 102 through the conveying belt 101 and is conveyed to the soil screening device 3 through the feeding bin 102, at the moment, the first motor 303 is started, the first motor 303 drives the cam 305 to rotate, the cam 304 rotates and drives the screen 301 to vibrate, soil is screened into particles with different particle sizes of 5mm, 10mm and 15mm and is conveyed to the discharging bin 302 for storage, meanwhile, the forest cleaning device 2 is started, the first hydraulic pump 801 pumps out liquid in the chemical tank 203 and sprays the liquid onto the soil surface through the first spraying pipe 201, the second hydraulic pump 802 pumps out liquid in the cleaning tank 204 and sprays the liquid onto the soil surface through the second spraying pipe 202 to clean the contaminated soil, the soil particles with the diameter smaller than 5mm and the leacheate fall into the leacheate recovery tank 4 below together, waste liquid in the leacheate recovery tank 4 flows into the flotation tank 51 through the first communication pipe 9, at this time, the emulsion flotation device 5 works, an aerator pipe arranged in the flotation tank 51 is started to introduce air into the flotation tank 51, so that tiny particles in the waste liquid are adhered to the surface of the bubbles, the bubbles float to the surface of a water body and form foams or floccules, the second motor 601 drives the scum scraper 602 to scrape scum from the surface of the leacheate to the slag outlet 516, the waste liquid after removing the tiny particles flows into the sedimentation tank 52 through the inclined pipe 521, so that large particles are precipitated, the leacheate obtained after the precipitation flows into the reagent tank 203 through the second communicating pipe 10 for recycling, meanwhile, the waste residues after the flotation flow into the solid-liquid separator 7 through the filter residue conveying pipe 11, the solid-liquid separator 7 separates the leacheate in the flotation tank and conveys the leacheate into the reagent tank 203 through the third communicating pipe 11, and secondary pollution to soil is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides a drip washing device for soil remediation which characterized in that: comprises a feeding device (1), a leaching device (2), a soil screening device (3), a leaching solution recovery tank (4), an emulsion flotation device (5) and a solid-liquid separator (7), wherein the feeding device (1) comprises a conveying belt (101) and a feeding bin (102), the feeding bin (102) is arranged below the output end of the conveying belt (101), the soil screening device (3) is arranged below the feeding bin (102), the leaching device (2) comprises a first spraying pipe (201), a second spraying pipe (202), a first hydraulic pump (801), a second hydraulic pump (802), a medicament pool (203) and a clean water pool (204), the first spraying pipe (201) is connected with the medicament pool (203) through the first hydraulic pump (801), the second spraying pipe (202) is connected with the clean water pool (204) through the second hydraulic pump (802), the output of a shower (201) with the output of second shower (202) all set up in soil screening plant (3) input, leacheate accumulator (4) set up in the below of soil screening plant (3), leacheate accumulator (4) emulsion flotation device (5) with connect gradually through the pipeline between medicament pond (203), emulsion flotation device (5) with be provided with on the pipeline that medicament pond (203) are connected solid-liquid separator (7).
2. The method of claim 1, wherein: soil screening plant (3) include screen cloth (301), go out feed bin (302), first motor (303) and cam (304), more than two-layer screen cloth (301) parallel slope sets up, every layer the lower one end of screen cloth (301) all is provided with go out feed bin (302), the left side of screen cloth (301) is provided with first motor (303), the power output shaft of motor (303) with cam (304) are connected, cam (304) with screen cloth (301) butt, leacheate accumulator (4) are located the below of screen cloth (301).
3. The method of claim 2, wherein: the aperture of the screen (301) with more than two layers is reduced from top to bottom.
4. The method of claim 1, wherein: the emulsification flotation device (5) comprises a flotation tank (51), a sedimentation tank (52), an aeration pipe (53) and a scum scraping device (6), wherein a first flotation area (511), a second flotation area (512) and a third flotation area (513) are arranged in the flotation tank (51), the first flotation area (511) is connected with the second flotation area (512) through a first through hole (514), the second flotation area (511) is connected with the third flotation area (512) through a second through hole (515), a leacheate recovery tank (4) is connected with the first flotation area (511) through a first communicating pipe (9), the aeration pipe is arranged at the bottom of the flotation tank (51), the third flotation area (513) is far away from one end of the second communicating pipe (515) and is provided with the scum scraping device (6), and the scum scraping device (6) comprises a second motor (601), Dross scraper blade (602) and connecting rod (603), connecting rod (603) set firmly in on flotation cell (51), the top of connecting rod (603) is provided with second motor (601), more than two dross scraper blade (602) are fixed in on the power output shaft of second motor (601), flotation cell (51) with sedimentation tank (52) are connected through pipe chute (521), sedimentation tank (52) through second communicating pipe (10) with medicament pond (203) are connected.
5. The method of claim 4, wherein: be provided with liquid outlet (701), filter residue entry (702) and solid export (703) on solid-liquid separator (7), liquid outlet (701) through third communicating pipe (11) with medicament pond (203) are connected, filter residue entry (702) are connected with slag notch (516) through filter residue conveyer pipe (12).
6. The method of claim 1, wherein: the pipe orifices of the first spray pipe (201) and the second spray pipe (202) are provided with high-pressure spray orifices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110163549.2A CN113000586A (en) | 2021-02-05 | 2021-02-05 | Be used for prosthetic drip washing device of soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110163549.2A CN113000586A (en) | 2021-02-05 | 2021-02-05 | Be used for prosthetic drip washing device of soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113000586A true CN113000586A (en) | 2021-06-22 |
Family
ID=76383879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110163549.2A Withdrawn CN113000586A (en) | 2021-02-05 | 2021-02-05 | Be used for prosthetic drip washing device of soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113000586A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029330A (en) * | 2021-11-16 | 2022-02-11 | 吴海浪 | Intelligent soil remediation system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543507U (en) * | 2009-11-02 | 2010-08-11 | 灵宝市金源矿业有限责任公司 | Scraping plate of flotation machine |
| CN204148232U (en) * | 2014-10-22 | 2015-02-11 | 天津生态城环保有限公司 | A kind of heavy-metal contaminated soil elution circuit |
| CN105170630A (en) * | 2015-10-27 | 2015-12-23 | 华东理工大学 | Combined type soil washing and desorption method and device |
| US20170333961A1 (en) * | 2016-05-20 | 2017-11-23 | Gs Engineering & Construction Corp. | Soil remediation facility and soil remediation method using the same |
| CN206901811U (en) * | 2017-03-28 | 2018-01-19 | 苏州博瑞水处理有限公司 | A kind of air flotation slot |
| CN108405588A (en) * | 2018-03-21 | 2018-08-17 | Jiu株式会社 | A kind of floatation equipment repaired for contaminated soil heterotopic elution |
| CN208517135U (en) * | 2018-06-08 | 2019-02-19 | 深圳市睿维盛环保科技有限公司 | The efficient baffling inclined plate air bearing cell system of RWS |
| CN110270588A (en) * | 2019-07-22 | 2019-09-24 | 中冶南方都市环保工程技术股份有限公司 | A kind of heavy-metal contaminated soil dystopy elution system and control system and method |
| KR20200088943A (en) * | 2019-01-15 | 2020-07-24 | (주)신화이엔피 | Various dredged soil purification system |
| CN212069909U (en) * | 2019-09-27 | 2020-12-04 | 安徽省通源环境节能股份有限公司 | Ultrasonic-assisted soil ex-situ leaching system based on screening |
-
2021
- 2021-02-05 CN CN202110163549.2A patent/CN113000586A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201543507U (en) * | 2009-11-02 | 2010-08-11 | 灵宝市金源矿业有限责任公司 | Scraping plate of flotation machine |
| CN204148232U (en) * | 2014-10-22 | 2015-02-11 | 天津生态城环保有限公司 | A kind of heavy-metal contaminated soil elution circuit |
| CN105170630A (en) * | 2015-10-27 | 2015-12-23 | 华东理工大学 | Combined type soil washing and desorption method and device |
| US20170333961A1 (en) * | 2016-05-20 | 2017-11-23 | Gs Engineering & Construction Corp. | Soil remediation facility and soil remediation method using the same |
| CN206901811U (en) * | 2017-03-28 | 2018-01-19 | 苏州博瑞水处理有限公司 | A kind of air flotation slot |
| CN108405588A (en) * | 2018-03-21 | 2018-08-17 | Jiu株式会社 | A kind of floatation equipment repaired for contaminated soil heterotopic elution |
| CN208517135U (en) * | 2018-06-08 | 2019-02-19 | 深圳市睿维盛环保科技有限公司 | The efficient baffling inclined plate air bearing cell system of RWS |
| KR20200088943A (en) * | 2019-01-15 | 2020-07-24 | (주)신화이엔피 | Various dredged soil purification system |
| CN110270588A (en) * | 2019-07-22 | 2019-09-24 | 中冶南方都市环保工程技术股份有限公司 | A kind of heavy-metal contaminated soil dystopy elution system and control system and method |
| CN212069909U (en) * | 2019-09-27 | 2020-12-04 | 安徽省通源环境节能股份有限公司 | Ultrasonic-assisted soil ex-situ leaching system based on screening |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029330A (en) * | 2021-11-16 | 2022-02-11 | 吴海浪 | Intelligent soil remediation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100952752B1 (en) | Apparatus for washing soils polluted with oil and heavy metal and method thereof | |
| KR102141236B1 (en) | Various dredged soil purification system | |
| CN107127210B (en) | Soil leaching remediation system and method | |
| KR100988942B1 (en) | Contaminated soil washing sorting system | |
| KR101957650B1 (en) | Grit flotation apparatus, multistage grit chamber and remediation system of contaminated soils comprising thereof | |
| CN105170630A (en) | Combined type soil washing and desorption method and device | |
| KR101982969B1 (en) | Oil separating equipment for remediation system of complex contaminated soils | |
| KR101782615B1 (en) | Contaminated soil remediation system and remediation method having the same | |
| CN111790743A (en) | A high-efficient sled dress drip washing system of dystopy for polluting prosthetic degree of depth of soil is meticulous | |
| KR101995214B1 (en) | Remediation and monitorin system of contaminated soil by soil separation and soil washing and wastewater treatment | |
| KR101658523B1 (en) | Remediation system of contaminated soil by soil separation and soil washing | |
| KR100460629B1 (en) | Soil Washing Apparatus and Soil Washing Device Using It | |
| CN217700633U (en) | Module type cleaning device for soil purification | |
| JP2006205138A (en) | Washing device, washing method, washing plant and washing process, using purified water | |
| CN2936380Y (en) | Unpowered waste water filtering and sterilizing treating device | |
| CN113000586A (en) | Be used for prosthetic drip washing device of soil | |
| CN206083402U (en) | Belt cleaning device of stone oil pollution soil | |
| CN114308620A (en) | Continuous screening and cleaning system and method for polluted civil engineering slag | |
| CN113828626A (en) | Leaching treatment process of heavy metal-organic contaminated soil | |
| CN215355324U (en) | Low-carbon environment-friendly contaminated soil leaching remediation system | |
| CN113828625A (en) | Leaching treatment device for heavy metal-organic contaminated soil | |
| CN214634648U (en) | Thick and thin grid integrated machine | |
| CN212833215U (en) | Full-automatic sewage treatment equipment | |
| JP4061327B2 (en) | Sludge treatment equipment | |
| JP2008080249A (en) | Soil cleaning method and soil cleaning apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210622 |
|
| WW01 | Invention patent application withdrawn after publication |