CN115647022B - Leaching equipment for restoring soil by recycling leaching agent - Google Patents
Leaching equipment for restoring soil by recycling leaching agent Download PDFInfo
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- CN115647022B CN115647022B CN202211539052.7A CN202211539052A CN115647022B CN 115647022 B CN115647022 B CN 115647022B CN 202211539052 A CN202211539052 A CN 202211539052A CN 115647022 B CN115647022 B CN 115647022B
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention provides leaching equipment for soil restoration of leaching agent recycling, which comprises a main body, a liquid storage tank and an extrusion assembly, wherein the bottoms of the outer walls at the two sides and the rear end of the main body are provided with an object taking opening, an opening and closing door made of transparent materials is connected in the object taking opening through a rotating shaft, meanwhile, the bottom of the outer wall at the front end of the main body is fixedly connected with a filling opening communicated with the inside of the main body, the liquid storage tank is integrally formed with the center of the top of the main body, the center of the inside of the main body is fixedly connected with a conveying pipe, the top of the conveying pipe is fixedly connected with a guide plate, and openings are formed on the two sides of the guide plate and the rear end plate.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to leaching equipment for soil remediation, which is capable of recycling leaching agent.
Background
The existing large-area contaminated soil caused by industrial pollution and the like in China cannot be used for planting crops and vegetation, and hinders agricultural planting and environmental protection, the existing contaminated soil is subjected to restoration to reach the planting level, and however, the existing soil restoration equipment is as in patent number: CN201821412150.3, named: a soil remediation device, which discloses: comprising the following steps: the box body is internally provided with a soil remediation chamber and is provided with a feed inlet and a discharge outlet which are communicated with the soil remediation chamber; a soil crushing mechanism including a plurality of crushing rollers provided in the soil restoration chamber, crushing projections provided on an outer peripheral surface of the crushing rollers, the respective crushing projections of the crushing rollers adjacent to each other being engaged with each other so as to crush the soil by rolling; the soil stirring mechanism comprises a stirring shaft arranged in the soil remediation chamber and positioned below the soil crushing mechanism and stirring pieces arranged on the outer peripheral surface of the stirring shaft; and the medicament adding mechanism comprises a medicament storage container and a medicament spraying device which are communicated with each other through a conveying pipeline, and the medicament spraying device comprises a plurality of spray heads which are arranged towards the soil stirring mechanism.
Above-mentioned current device singly improves and is convenient for the medicament can spray and attach on soil, but the inside infiltration medicament that is difficult to of soil leads to the restoration effect poor to the medicament that is located on the soil can't reuse cause the waste of medicament, and prosthetic soil is the work such as bulk inconvenient later stage transport.
Disclosure of Invention
The invention provides leaching equipment for soil remediation by recycling leaching agent, which aims to solve the technical problems described in the background technology.
The invention discloses a leaching device for soil remediation, which is capable of recycling leaching agent, and aims and effects of the leaching device are achieved by the following specific technical means: the utility model provides a leaching agent cyclic utilization's soil is drip washing equipment for restoration, includes main part, liquid storage pot, extrusion subassembly, the thing mouth of getting has been seted up to main part both sides and rear end outer wall bottom, and gets to be connected with the door that opens and shuts that transparent material made through the pivot in the thing mouth, main part front end outer wall bottom fixedly connected with rather than inside the filler mouth that switches on simultaneously to liquid storage pot integrated into one piece and main part top center department, the inside center fixedly connected with conveyer pipe of main part, and conveyer pipe top fixedly connected with guide board, opening has been seted up on guide board both sides and the rear end board simultaneously, swing joint holds the frame in getting thing mouth counterpoint on main part inside both sides and the rear end bottom inner wall, and holds fixedly connected with mounting panel on the main part inner wall between frame top and the baffle A, extrusion subassembly vertical fixedly connected with in the mounting panel simultaneously.
Further, baffle B is fixedly connected with in the conveyer pipe, and fixedly connected with driving motor in the conveyer pipe under the baffle B forms a conveyer trough that the top is open setting in the conveyer pipe on the baffle B simultaneously, the conveyer trough is rotationally connected with the prosthetic components with driving motor output fixed connection.
Further, the repair assembly comprises a transmission section, a driving section and a power shaft, wherein the transmission section and the driving section are fixedly connected to the power shaft body, a hollow cavity with the top open is formed in the power shaft body, meanwhile, the top end of the power shaft extends into the liquid storage tank, the tail end of the power shaft is fixedly connected with the output shaft of the driving motor, and a suction fan is fixedly connected to the top of the hollow cavity in the power shaft body.
Further, the transmission section comprises an auger, the auger is fixedly connected to the shaft body of the power shaft, the inside of the auger is of a hollow structure, meanwhile, the auger is in conductive connection with the hollow cavity inside the power shaft, and a liquid seepage groove is formed in the inner wall of the bottom of the auger.
Further, the driving section comprises a driving disc, the driving disc is fixedly connected to the shaft body at the top of the driving shaft body, a contact block protruding downwards is fixedly connected to the outer diameter of the disc body at the bottom of the driving disc, and meanwhile the contact block is indirectly meshed with the extrusion assembly.
Further, the clamping groove is formed in the inner wall of the main body at the bottom of the containing frame, the containing frame is clamped in the clamping groove, meanwhile, a built-in pipeline communicated with the liquid storage tank is formed in the inner wall of the main body, a one-way valve is fixedly connected to the inner wall between the built-in pipeline and the clamping groove, the whole containing frame is made of transparent materials, and a filtering hole is formed in the inner wall of the bottom of the containing frame.
Furthermore, the inner wall of the top of the liquid storage tank is provided with a filling hole, and the inner walls of the two sides of the liquid storage tank are provided with feedback pipelines communicated with the built-in pipelines.
Further, the extrusion assembly comprises a main rod, a movable rod and a pressing plate, wherein the main rod is fixedly connected to the mounting plate, the movable rod is movably connected to the inside of the main rod, and the pressing plate is fixedly connected to the tail end of the movable rod.
Further, the through-hole that switches on from top to bottom has been seted up at mobile jib center, and the mobile jib top rotates and is connected with the power ball that has from the return, and power ball top is connected in contact block intermittent type meshing simultaneously, the spout has been seted up in the mobile jib inner wall, and spout one side rotation is connected with the actuating lever, actuating lever top fixedly connected with and the meshing wheel of power ball meshing, and swing joint has the limiting plate with actuating lever meshing in the spout, fixedly connected with spring between limiting plate body outside top and the spout top simultaneously to limiting plate body bottom and movable rod fixed connection.
Further, a lower trough penetrating up and down is arranged on two sides of the pressing plate body, and a blind plate which is opened downwards in a unidirectional way is rotationally connected to the lower trough.
The beneficial effects are that:
1. through being equipped with the conveyer pipe, utilize the motor drive restoration subassembly that is located the conveyer pipe bottom to rotate, will get into the earth in the conveyer pipe through the filler mouth and upwards carry and smash under the effect of auger, simultaneously suction fan in the power shaft is with the leaching agent in the liquid storage pot through the leading-in soil of infiltration groove to restore the soil, realizes carrying restoration integrated effect.
2. Through being equipped with repairing component, utilize the contact block of driving disk bottom in the drive section to drive the power ball in the extrusion component and rotate to the drive utilizes the actuating lever of meshing wheel and power ball contact to rotate, make with its engaged limiting plate, movable rod, clamp plate down move to be the cubic to the soil that is located holds the frame, and will receive the drip washing agent in the soil to flow to the draw-in groove through holding the filtration pore on the frame bottom inner wall under the effect of extrusion and gravity, and get into in the built-in pipeline through the check valve between draw-in groove and the built-in pipeline, realize being convenient for in later stage transport and the leading-in effect in the built-in pipeline of drip washing agent.
3. Through being equipped with extrusion subassembly, utilize the contact block that utilizes the driving disk bottom in the drive section to drive the power ball in the extrusion subassembly and rotate to the drive utilizes the actuating lever of engaging wheel and power ball contact to rotate, make limiting plate, movable rod, the clamp plate that meshes with it move downwards, however power ball will return the normal position under the effect of its own power of circling round and spring between limiting plate and the spout after the contact of contact block contact and power ball, realize reciprocating to the effect of extruding soil.
4. Through the liquid storage tank, the leaching agent separated from the soil is sucked into the liquid storage tank by utilizing the feedback pipeline which is communicated with the built-in pipeline under the action of negative pressure, so that the leaching agent is recycled to prevent resource waste
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional elevation view of the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
Fig. 4 is a schematic view of a partial structure of a transmission section according to the present invention.
Fig. 5 is a schematic view of a partial structure of a driving section according to the present invention.
Fig. 6 is a schematic view of a partial bottom structure of a driving section according to the present invention.
FIG. 7 is a schematic view of the extrusion assembly of the present invention.
Fig. 8 is a schematic cross-sectional view of the main shaft of the present invention.
In fig. 1 to 8, the correspondence between the component names and the reference numerals is:
1-main body, 101-filler port, 102-fetching port, 103-conveying pipe, 104-opening and closing door, 105-holding frame, 106-conveying groove, 107-repairing component, 108-conveying section, 109-driving section, 110-built-in pipeline, 111-mounting plate, 112-clamping groove, 113-power shaft, 114-auger, 115-seepage groove, 116-suction fan, 117-driving plate, 118-contact block, 2-liquid storage tank, 201-filling hole, 202-return pipeline, 3-extrusion component, 301-main rod, 302-movable rod, 303-pressing plate, 304-blanking groove, 305-power ball, 306-sliding groove, 307-driving rod, 308-meshing wheel and 309-limiting plate.
Description of the embodiments
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
Examples
As shown in fig. 1 to 8:
the utility model provides a leaching agent cyclic utilization's soil is drip washing equipment for restoration, includes main part 1, liquid storage pot 2, extrusion subassembly 3, take thing mouth 102 has been seted up to main part 1 both sides and rear end outer wall bottom, and is connected with the open and shut door 104 that transparent material made through the pivot in getting thing mouth 102, main part 1 front end outer wall bottom fixedly connected with rather than inside filler mouth 101 that switches on simultaneously to liquid storage pot 2 integrated into one piece and main part 1 top center department, the inside center fixedly connected with conveyer pipe 103 of main part 1, and conveyer pipe 103 top fixedly connected with guide board, opening has been seted up on guide board both sides and the rear end board on one's body simultaneously, swing joint holds frame 105 in getting thing mouth 102 alignment on the inside both sides of main part 1 and the rear end bottom inner wall, and hold on the main part 1 inner wall fixedly connected with mounting panel 111 between frame 105 top and the baffle A, extrusion subassembly 3 vertical fixedly connected with in mounting panel 111 simultaneously.
The inner bottom of the conveying pipe 103 is fixedly connected with a partition board B, the conveying pipe 103 under the partition board B is fixedly connected with a driving motor, a conveying groove 106 with the top open is formed in the conveying pipe 103 on the partition board B, and a repairing assembly 107 fixedly connected with the output end of the driving motor is rotationally connected in the conveying groove 106. The repairing assembly 107 comprises a transmission section 108, a driving section 109 and a power shaft 113, wherein the transmission section 108 and the driving section 109 are fixedly connected to the shaft body of the power shaft 113, a hollow cavity with an open top is formed in the power shaft 113, meanwhile, the top end of the power shaft 113 extends into the liquid storage tank 2, the tail end of the power shaft 113 is fixedly connected with the output shaft of the driving motor, and a suction fan 116 is fixedly connected to the top of the hollow cavity in the power shaft 113. The transmission section 108 comprises an auger 114, the auger 114 is fixedly connected to a shaft body of the power shaft 113, the inside of the auger 114 is of a hollow structure, meanwhile, the auger 114 is in conductive connection with a hollow cavity in the power shaft 113, and a liquid seepage groove 115 is formed in the inner wall of the bottom of the auger 114. The driving section 109 comprises a driving disc 117, the driving disc 117 is fixedly connected to the top shaft body of the driving shaft 113, a contact block 118 protruding downwards is fixedly connected to the outer diameter of the bottom disc body of the driving disc 117, and meanwhile the contact block 118 is indirectly meshed with the extrusion assembly 3.
When in use, the eluent is injected into the liquid storage tank 2 through the filling hole 201 in advance, then soil enters the conveying groove 106 in the conveying pipe 103 through the seasoning port, and the motor at the bottom of the conveying pipe 103 is controlled to drive the repairing assembly 107 to integrally rotate. At this time, the driving section 109 in the repairing assembly 107 will generate suction force by using the suction fan 116 at the top end of the power shaft 113 to guide the eluent in the liquid storage tank 2 into the hollow cavity inside the power shaft 113, and the driving section 109 will drive the driving disc 117 to rotate together and indirectly power the squeezing assembly 3 by using the contact block 118 when rotating. Meanwhile, the transmission section 108 also conveys the soil in the conveying pipe 103 upwards by utilizing the auger 114 when the power shaft 113 rotates, and the leachate tank 115 on the inner wall of the bottom of the auger 114 guides the leaching solution in the power shaft 113 into the conveying pipe 103 to permeate into the soil for restoration, and the permeated soil is guided onto a guide plate in the inner top of the main body 1 through the top end of the conveying pipe 103 under the driving of the auger 114 and is guided into the containing frame 105 in the inner bottom of the main body 1 through the guide hole on the plate body.
When soil enters the containing frame 105, the soil needs to pass through the extrusion assembly 3, the soil can fall into the containing frame 105 by utilizing the opening and closing doors which are downwards conducted in one way in the lower trough 304 at the two sides of the pressing plate 303 in the extrusion assembly 3, the power ball 305 at the top of the extrusion assembly 3 is driven to rotate by the contact block 118, and the meshing wheel 308 meshed with the power ball 305 is driven to rotate when the power ball 305 rotates. At this time, the driving rod 307 connected to the engaging wheel 308 rotates together and drives the limiting plate 309 to move downward under the action of the engaging bar, so that the movable rod 302 located at the bottom of the limiting plate 309 and the pressing plate 303 at the end of the movable rod 302 move downward together to squeeze the soil in the holding frame 105 into blocks for later carrying and stacking. After the contact of the contact block 118 with the power ball 305, the power ball 305 will return to its original position under the power of its own revolution and the action of the spring between the stop plate 309 and the chute 306, so that the soil is squeezed again in the manner described above the next time the power ball 305 contacts the contact block 118. Meanwhile, the leaching agent in the soil flows into the clamping groove 112 through the filtering holes on the inner wall of the bottom of the holding frame 105 under the action of extrusion and gravity, and enters the built-in pipeline 110 through the one-way valve between the clamping groove 112 and the built-in pipeline 110.
When the suction fan 116 sucks the eluent in the liquid storage tank 2 into the power shaft 113, negative pressure is formed inside the liquid storage tank 2, and the return pipeline 202 communicated with the built-in pipeline 110 under the action of the negative pressure sucks the eluent separated from soil into the liquid storage tank, so that the eluent is recycled, and resource waste is prevented.
Working principle: when the motor at the bottom of the conveying pipe 103 works, the repairing assembly 107 is driven to rotate, the leaching agent in the liquid storage tank 2 is guided into the power shaft 113 under the action of the suction fan 116 at the top end of the power shaft 113, negative pressure is formed in the liquid storage tank 2, the conveying section 108 conveys the soil in the conveying pipe 103 upwards by using the auger 114, the leaching agent in the power shaft 113 is guided into the conveying pipe 103 to permeate into the soil for repairing by using the seepage groove 115 on the inner wall of the bottom of the auger 114 in the conveying process, finally, the repaired soil falls into the holding frame 105, and the contact blocks 118 at the bottom of the driving disc 117 on the driving end 109 intermittently supply power for the extruding assembly 3 when the power shaft 113 rotates.
The power ball 305 at the top of the extrusion assembly 3 rotates under the drive of the contact block 118, so that the driving rod 307 contacted with the power ball 305 by the engagement wheel 308 is driven to rotate, the limit plate 309, the movable rod 302 and the pressing plate 303 engaged with the power ball 305 move downwards to extrude soil in the holding frame 105 into blocks for later carrying and stacking, and the like, after the contact block 118 contacts the power ball 305, the power ball 305 returns to the original position under the action of the self rotary power and the spring between the limit plate 309 and the sliding groove 306, so that the soil is extruded again when the power ball 305 contacts the contact block 118 next time, the soil holding condition is observed through the transparent opening and closing door 104 and the transparent holding frame 105, and the opening and closing of the holding frame 105 can be opened after a certain amount of soil holding frame 105 is carried out, so that the opening and closing of the door 104 can replace the holding frame 105.
The eluent in the soil flows into the clamping groove 112 through the filtering holes on the inner wall of the bottom of the holding frame 105 under the action of extrusion and gravity, and enters the built-in pipeline 110 through the one-way valve between the clamping groove 112 and the built-in pipeline 110. The return pipeline 202 communicated with the built-in pipeline 110 under the action of negative pressure of the liquid storage tank 2 sucks the leaching agent separated from the soil into the liquid storage tank, so that the leaching agent is recycled, and resource waste is prevented.
Claims (1)
1. The utility model provides a leaching agent cyclic utilization's soil is drip washing equipment for repairing, includes main part (1), liquid storage pot (2), extrusion subassembly (3), its characterized in that: the novel plastic storage device is characterized in that object taking openings (102) are formed in two sides of the main body (1) and the bottom of the outer wall of the rear end, an opening and closing door (104) is movably connected in the object taking openings (102), meanwhile, a filler opening (101) is formed in the bottom of the outer wall of the front end of the main body (1), a liquid storage tank (2) is integrally formed in the center of the top of the main body (1), a conveying pipe (103) is arranged in the main body (1), a guide plate is arranged at the top of the conveying pipe (103), openings are formed in two sides of the guide plate and in the rear end plate, holding frames (105) are arranged on the two sides of the inside of the main body (1) and the inner wall of the bottom of the rear end, a mounting plate (111) is fixedly connected to the inner wall of the main body (1) between the top of the holding frames (105) and a partition plate, and meanwhile, an extrusion assembly (3) is vertically arranged in the mounting plate (111);
a partition board B is arranged at the bottom in the conveying pipe (103), a driving piece is arranged in the conveying pipe (103) below the partition board B, a conveying groove (106) with the top open is formed in the conveying pipe (103) on the partition board B, and a repairing assembly (107) connected with the driving piece is rotationally connected in the conveying groove (106);
the repairing assembly (107) comprises a transmission section (108), a driving section (109) and a power shaft (113), wherein the transmission section (108) and the driving section (109) are arranged on a shaft body of the power shaft (113), a hollow cavity is formed in the power shaft (113), meanwhile, the top end of the power shaft (113) extends into the liquid storage tank (2), the tail end of the power shaft (113) is connected with the driving piece, and a suction structure is arranged in the top of the hollow cavity in the power shaft (113);
the transmission section (108) comprises an auger (114), the auger (114) is arranged on the shaft body of the power shaft (113), the interior of the auger (114) is of a hollow structure, meanwhile, the auger (114) is in conduction connection with the interior of the power shaft (113), and a seepage groove (115) is formed in the inner wall of the bottom of the auger (114);
the driving section (109) comprises a driving disc (117), the driving disc (117) is arranged at the top of the driving shaft (113), a contact block (118) is arranged on the outer diameter of the disc body at the bottom of the driving disc (117), and the contact block (118) is indirectly meshed with the extrusion assembly (3);
a clamping groove (112) is formed in the inner wall of the main body (1) at the bottom of the containing frame (105), the containing frame (105) is clamped in the clamping groove (112), meanwhile, a built-in pipeline (110) communicated with the liquid storage tank (2) is formed in the inner wall of the main body (1), a one-way communication structure is arranged in the inner wall between the built-in pipeline (110) and the clamping groove (112), the containing frame (105) is integrally made of a transparent material, and a filter hole is formed in the inner wall at the bottom of the containing frame (105);
a filling hole (201) is formed in the inner wall of the top of the liquid storage tank (2), a return pipeline (202) communicated with the built-in pipeline (110) is formed in the inner walls of the two sides of the liquid storage tank (2), negative pressure is formed in the liquid storage tank (2) when the suction structure sucks the leaching agent in the liquid storage tank (2) into the power shaft (113), and the return pipeline (202) communicated with the built-in pipeline (110) sucks the leaching agent separated from soil into the liquid storage tank (2) under the action of the negative pressure;
the extrusion assembly (3) comprises a main rod (301), a movable rod (302) and a pressing plate (303), wherein the main rod (301) is arranged in the mounting plate (111), the movable rod (302) is movably connected inside the main rod (301), and the pressing plate (303) is arranged at the tail end of the movable rod (302);
the center of the main rod (301) is provided with a through hole which is communicated up and down, the top end of the main rod (301) is provided with a power ball (305) which is intermittently meshed with the contact block (118), the inner wall of the main rod (301) is provided with a chute (306), one side of the chute (306) is rotationally connected with a driving rod (307), the top end of the driving rod (307) is provided with a meshing wheel (308), the chute (306) is internally provided with a limiting plate (309) which is meshed with the driving rod (307), an elastic piece is arranged between the top end of the limiting plate (309) and the top end of the chute (306), and the bottom of the plate body of the limiting plate (309) is connected with a movable rod (302);
and two sides of the pressing plate (303) are provided with a blanking groove (304), and the blanking groove (304) is rotationally connected with a shutter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211539052.7A CN115647022B (en) | 2022-12-02 | 2022-12-02 | Leaching equipment for restoring soil by recycling leaching agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211539052.7A CN115647022B (en) | 2022-12-02 | 2022-12-02 | Leaching equipment for restoring soil by recycling leaching agent |
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| CN115647022A CN115647022A (en) | 2023-01-31 |
| CN115647022B true CN115647022B (en) | 2023-06-13 |
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| CN213134475U (en) * | 2020-09-01 | 2021-05-07 | 李珊珊 | Soil purification prosthetic devices |
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| CN213701226U (en) * | 2020-11-25 | 2021-07-16 | 山西绿标环保科技有限公司 | Environmental protection is with polluting soil belt cleaning device |
| CN113546955A (en) * | 2021-07-20 | 2021-10-26 | 广州龙惠环保科技有限公司 | Combined type contaminated soil repair system |
| CN215610768U (en) * | 2021-03-22 | 2022-01-25 | 上海宝发环科技术有限公司 | Preparation facilities of heavy metal contaminated soil restoration eluting agent |
| CN217289786U (en) * | 2022-03-04 | 2022-08-26 | 炬福(福建)环保科技有限公司 | Chemical leaching auxiliary in-situ repair integrated device |
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2022
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| CN102601106A (en) * | 2012-03-08 | 2012-07-25 | 中国科学院过程工程研究所 | Ectopic leaching restoring device and restoring method for chromic slag polluted soil |
| CN107457265A (en) * | 2017-09-07 | 2017-12-12 | 谢添 | A kind of soil restoring device based on elution and microorganism remediation principle |
| CN207238750U (en) * | 2017-09-14 | 2018-04-17 | 辽宁石化职业技术学院 | A kind of contaminated soil elutes prosthetic device |
| CN209222876U (en) * | 2018-09-20 | 2019-08-09 | 北京市地质工程设计研究院 | A kind of organic polluted soil reparation chemical oxidation prosthetic device |
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| CN211027495U (en) * | 2019-07-12 | 2020-07-17 | 上海环境保护有限公司 | Stirring and leaching device for ectopic treatment of contaminated soil |
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| CN113546955A (en) * | 2021-07-20 | 2021-10-26 | 广州龙惠环保科技有限公司 | Combined type contaminated soil repair system |
| CN217289786U (en) * | 2022-03-04 | 2022-08-26 | 炬福(福建)环保科技有限公司 | Chemical leaching auxiliary in-situ repair integrated device |
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|---|---|
| CN115647022A (en) | 2023-01-31 |
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