CN113714265B - Stirring device for repairing heavy metal soil solidification and stabilization - Google Patents
Stirring device for repairing heavy metal soil solidification and stabilization Download PDFInfo
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- CN113714265B CN113714265B CN202110936372.5A CN202110936372A CN113714265B CN 113714265 B CN113714265 B CN 113714265B CN 202110936372 A CN202110936372 A CN 202110936372A CN 113714265 B CN113714265 B CN 113714265B
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- upper connecting
- machine body
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- soil
- heavy metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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- 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
Abstract
The invention discloses a stirring device for repairing heavy metal soil solidification and stabilization, which comprises: installing a base; the upper connecting machine body is vertically embedded and fixed in the middle of the upper end face of the mounting machine base; the feeding end seat is arranged above one side of the upper connecting machine body, and one side of the feeding end seat is transversely communicated with a spiral material guiding piece; the upper thinning and crushing assembly is coaxially arranged on the upper side of the inner part of the upper connecting machine body in a relatively rotatable manner; the liquid adding and repairing assembly is coaxially arranged in the upper connecting machine body and is positioned below the upper thinning and crushing assembly; and the stirring and mixing assembly can transversely penetrate and erect the lower side of the interior of the upper connecting machine body in a relatively rotating mode, and a discharge port is further formed in one side of the lower end face of the upper connecting machine body and used for conveying the repaired soil outwards.
Description
Technical Field
The invention belongs to the technical field of soil remediation equipment, and particularly relates to a stirring device for remediation of heavy metal soil solidification and stabilization.
Background
The heavy metal contaminated soil is more conventional at present, and an ex-situ remediation method is adopted to effectively and thoroughly solve the problem of heavy metal contamination of the soil; the ex-situ soil remediation technology is a soil remediation technology for excavating or extracting polluted soil from an original position where the polluted soil is polluted, and carrying or transferring the polluted soil to other places or positions for treatment and remediation, and the polluted soil is usually required to be fully stirred by a special stirring device after being excavated, and is mixed with a chemical treatment agent to remove pollutants in the soil; in the prior art, because the soil generally excavated or extracted is large in block, when a mixing and stirring device is added and mixed with a chemical treatment agent, the large block soil cannot be fully contacted with the chemical treatment agent, so that the phenomenon of uneven mixing exists, heavy metal pollution still exists, and the soil has a common repairing effect; particularly, under the condition of relatively high soil humidity, the viscosity inside the soil is high, so that chemical treatment agents are difficult to be fully dissolved into the soil, and most of the chemical treatment agents are adhered to the surface of a soil mud layer; therefore, the technical personnel in the field provide a stirring device for the solidification and stabilization of the remediation heavy metal soil, so as to solve the problems in the background technology.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a prosthetic heavy metal soil solidification agitating unit of stabilizing usefulness, it includes:
installing a base;
the upper connecting machine body is vertically embedded and fixed in the middle of the upper end face of the mounting machine base;
the feeding end seat is arranged above one side of the upper connecting machine body, and one side of the feeding end seat is transversely communicated with a spiral material guide piece;
the upper thinning and crushing assembly is coaxially arranged on the upper side of the inner part of the upper connecting machine body in a relatively rotating manner;
the liquid adding and repairing assembly is coaxially arranged in the upper connecting machine body and is positioned below the upper thinning and crushing assembly; and
the stirring and mixing assembly can transversely penetrate and erect the lower side in the upper connecting machine body in a relatively rotating way, and a discharge port is further arranged on one side of the lower end face of the upper connecting machine body and used for conveying the repaired soil outwards;
the heavy metal solidified soil is discharged into the feeding end seat through the rotating transmission effect of the spiral material guide piece and is introduced into the upper connecting body through the feeding end seat, and the upper thinning and crushing assembly is used for grinding and extruding the heavy metal solidified soil under the rotating and rotating effect, so that the heavy metal solidified soil is in a soil muddy state with uniformly dispersed particles; the repairing agent is blended into the ground heavy metal soil through the liquid adding repairing component, and the mixed agent is uniformly mixed and stirred by the stirring and mixing component after being blended, so that the repairing work of the heavy metal solidified soil is realized; finally, the materials are discharged and conveyed outwards through a discharge port.
Further, preferably, the upper fine crushing means includes:
the mounting ring cylinder is coaxially fixed in the upper connecting machine body;
the installation ring barrel is provided with a plurality of installation ring barrels, and the extrusion grinding pipe bodies are circumferentially arranged in an array manner, transmission teeth are sleeved outside each extrusion grinding pipe body, an outer tooth ring is arranged on the inner ring of the installation ring barrel, and the extrusion grinding pipe bodies are connected with the installation ring barrel for transmission through the meshing effect of gears;
the central shaft can be coaxially and vertically arranged in the mounting ring cylinder in a relatively rotating manner, one end of the central shaft is fixedly provided with an internal tooth piece, and the internal tooth piece is meshed with each transmission tooth for transmission; and
and the driving motor is fixed on the upper side of the interior of the upper connecting body, and the output end of the driving motor is connected and fixed with the central shaft.
Further, preferably, the method further comprises:
the inner extrusion rollers are circumferentially arrayed and arranged in a plurality of groups and are arranged in one-to-one correspondence with the extruding and grinding pipe bodies, one ends of the inner extrusion rollers are fixedly connected with the central shaft through mounting frames, and the inner extrusion rollers and the extruding and grinding pipe bodies are in concentric circle structures;
the isolation baffle is arranged in the mounting ring cylinder in a circle and positioned above the end face of each transmission gear; and
and the auxiliary material guide pieces are arranged in one-to-one correspondence with the extrusion grinding pipe body, and one end of each auxiliary material guide piece is communicated with the extrusion grinding pipe body.
Further, as preferred, the cross section of interior squeeze roll personally submits the trapezium structure, and set up a plurality of delivery ports on the outer circumference lateral wall of crowded mill body.
Further, preferably, the auxiliary material guide member includes:
the mounting guide seat is vertically communicated below each extruding and grinding pipe body;
the inner grinding pieces are vertically and uniformly arranged in a plurality of groups, and each inner grinding piece is fixedly connected with the installation guide seat through an internal spring; and
and the central spheres are correspondingly arranged among the inner grinding pieces.
Further, preferably, the fluid infusion repair assembly comprises:
the sealing inner cylinder is coaxially fixed in the upper connecting machine body;
the liquid supply discharge pipe transversely penetrates through the upper connecting machine body and is circumferentially distributed outside the sealing inner cylinder; and
and the fixed nozzles are uniformly arranged on the liquid supply discharge pipes, one end of each fixed nozzle extends into the sealing inner cylinder, and a repairing agent is uniformly sprayed on the sealing inner cylinder.
Further, preferably, the stirring and mixing assembly includes:
the fixed ring sleeve is coaxially arranged on the upper connecting machine body through a connecting rotor in a relatively rotatable manner;
the first shaft lever and the second shaft lever transversely rotate through the fixing ring sleeve through a bearing, and one end of the first shaft lever is rotatably sleeved on the second shaft lever;
the rotating motors are symmetrically fixed at the two sides of the fixed ring sleeve, and the output ends of the rotating motors are respectively connected and fixed with the first shaft lever and the second shaft lever; and
the material mixing blade plates are arranged in a circumferential array mode and are transversely fixed on the first shaft lever and the second shaft lever respectively.
Further, preferably, the first shaft and the second shaft rotate in opposite directions.
Compared with the prior art, the invention has the beneficial effects that:
according to the heavy metal solidified soil refining and grinding device, heavy metal solidified soil is conveyed into the upper connecting machine body under the rotary feeding action of the spiral material guide piece, each extruding and grinding pipe body can be matched with the inner wall of the mounting ring barrel to extrude and grind heavy metal solidified soil through the rotary driving of the driving motor, meanwhile, the extruding and grinding pipe bodies can rotate relative to the inner extrusion roller in the rotation process, the inner extrusion roller can be matched with the inner wall of each extruding and grinding pipe body to synchronously refine and grind the heavy metal solidified soil, the auxiliary material guide piece can convey and guide the heavy metal solidified soil to enter the sealing inner barrel conveniently, the liquid adding repairing component can evenly inject repairing agents into the heavy metal solidified soil through the fixing spray heads, the repairing agents are fully blended into the heavy metal solidified soil, the heavy metal solidified soil is stirred and mixed through the material mixing vanes under the rotary action of the first shaft rod and the second shaft rod, and in stirring and mixing, the peripheral motor can synchronously drive the fixing ring sleeves to rotate circumferentially, and the mixing effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the upper attenuating assembly of the present invention;
FIG. 3 is a schematic view of the auxiliary material guiding member according to the present invention;
FIG. 4 is a schematic view of a fluid-filled repair assembly of the present invention;
FIG. 5 is a schematic view of the stirring and mixing assembly of the present invention;
in the figure: the device comprises a base 1, a machine body 2 connected with the base, a feeding end seat 3, a spiral material guide member 301, a refining and crushing assembly 4, an annular cylinder 401 for installation, a tube 402 for extrusion and grinding, a central shaft 403, a driving motor 404, an internal tooth 405, an internal extrusion roller 406, an isolation baffle 407, a liquid adding repair assembly 5, an internal sealing cylinder 501, a liquid supply and drainage tube 502, a fixed spray nozzle 503, a mixing assembly 6, a first shaft rod 601, a second shaft rod 602, a fixed annular sleeve 603, a rotating motor 604, a material mixing blade 605, an auxiliary material guide member 7, an installation guide seat 701, an internal grinding member 702 and a central ball 703.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, an agitating device for solidifying and stabilizing heavy metal soil remediation includes:
installing the base 1;
the upper connecting machine body 2 is vertically embedded and fixed in the middle of the upper end face of the mounting machine base 1;
the feeding end seat 3 is arranged above one side of the upper connecting machine body 2, and one side of the feeding end seat 3 is transversely communicated with a spiral material guiding piece 301;
the upper thinning and crushing assembly 4 is coaxially arranged on the upper side inside the upper connecting body 2 in a relatively rotating way;
the liquid adding and repairing assembly 5 is coaxially arranged in the upper connecting machine body 2 and is positioned below the upper thinning and crushing assembly 4; and
the stirring and mixing assembly 6 can transversely penetrate through and erect the lower side in the upper connecting machine body 2 in a relatively rotating way, and a discharge port is further arranged on one side of the lower end face of the upper connecting machine body 2 and used for conveying the repaired soil outwards;
the heavy metal solidified soil is discharged into the feeding end seat 3 through the rotation transmission action of the spiral material guide member 301 and is introduced into the upper connecting machine body 2 through the feeding end seat 3, and the upper thinning and crushing assembly 4 is used for grinding and extruding the heavy metal solidified soil under the rotation action, so that the soil sludge with uniformly dispersed particles is formed; the repairing agent is blended into the ground heavy metal soil through the liquid adding repairing component 5, and the mixed agent is uniformly mixed and stirred by the stirring and mixing component 6 after being blended, so that the repairing work of the heavy metal solidified soil is realized; finally, the materials are discharged and conveyed outwards through a discharge port.
Referring to fig. 2, in the present embodiment, the upper fine crushing assembly 4 includes:
a mounting ring barrel 401 coaxially fixed in the upper connecting body 2;
a plurality of extruding and grinding pipe bodies 402 are arranged in a circumferential array, transmission teeth are sleeved outside each extruding and grinding pipe body 402, an outer gear ring is arranged on the inner ring of the mounting ring barrel 401, and the extruding and grinding pipe bodies 402 are connected with the mounting ring barrel 401 through gear meshing for transmission;
a central shaft 403, which is coaxially and vertically arranged in the mounting ring barrel 401 in a relatively rotatable manner, wherein an internal gear 405 is fixed at one end of the central shaft 403, and the internal gear 405 is in meshing transmission with each transmission gear; and
the driving motor 404 is fixed on the upper side of the inner part of the upper connecting body 2, the output end of the driving motor 404 is connected and fixed with the central shaft 403, and the squeezing and grinding pipe body can be matched with the inner wall of the mounting ring cylinder to refine and grind the heavy metal contaminated soil under the action of the rotation driving of the driving motor.
As a preferred embodiment, the method further comprises the following steps:
the inner squeezing rollers 406 are circumferentially arrayed in multiple groups and are arranged in one-to-one correspondence with the squeezing and grinding pipe body 402, one end of each inner squeezing roller 406 is fixedly connected with the central shaft 403 through a mounting frame, and the inner squeezing rollers 406 and the squeezing and grinding pipe body 402 are in a concentric circle structure; it is noted that when the central shaft drives the extruding and grinding pipe body to rotate circumferentially through the meshing action of the gears, the central shaft drives the inner extruding roller to rotate circumferentially around the central shaft synchronously through the mounting frame, so that the inner extruding roller and the extruding and grinding pipe body are always on the same axis; the inner squeeze roll can be matched with the inner wall of the squeezing and grinding pipe body to synchronously carry out thinning and grinding work on the heavy metal solidified soil;
the isolation baffle 407 is arranged in the mounting ring barrel 401 in a surrounding mode and located above the end face of each transmission gear; and
and the auxiliary material guiding pieces 7 are arranged in one-to-one correspondence with the extrusion and grinding pipe bodies 402, and one end of each auxiliary material guiding piece 7 is communicated with the extrusion and grinding pipe body 402.
In this embodiment, the cross section of the inner squeeze roll 406 is a trapezoid structure, and the outer circumferential sidewall of the squeezing and grinding tube 402 is provided with a plurality of conveying ports.
Referring to fig. 3, in the present embodiment, the auxiliary material guiding member 7 includes:
a mounting guide seat 701 vertically communicated below each of the extruding and grinding pipe bodies 402;
a plurality of groups of internal grinding pieces 702 are vertically and uniformly arranged, and each internal grinding piece 702 is fixedly connected with the installation guide seat 701 through an internal spring; and
the central spheres 703 are correspondingly arranged among the inner grinding pieces 702.
Referring to fig. 4, in the present embodiment, the plating solution repairing assembly 5 includes:
a sealing inner cylinder 501 coaxially fixed in the upper connecting body 2;
the liquid supply discharge pipe 502 transversely penetrates through the upper connecting machine body 2 and is circumferentially arranged on the outer side 501 of the sealing inner cylinder; and
and the fixed nozzles 503 are uniformly arranged on the liquid supply discharge pipes 502, one end of each fixed nozzle 503 extends into the sealed inner cylinder 501, and the repair agent is uniformly sprayed on the sealed inner cylinder 501.
Referring to fig. 5, as a preferred embodiment, the stirring and mixing assembly 6 includes:
a fixed ring sleeve 603 coaxially arranged on the upper connecting body 2 through a connecting rotor capable of relatively rotating; an external motor (not shown in the figure) is arranged outside the upper connecting machine body and can drive the fixed ring sleeve to perform directional circular rotation motion;
the first shaft lever 601 and the second shaft lever 602 transversely rotate through a bearing and penetrate through the fixed ring sleeve 603, and one end of the first shaft lever 601 is rotatably sleeved on the second shaft lever 602;
the rotating motor 604 is symmetrically fixed at two sides of the fixed ring sleeve 603, and the output end of the rotating motor 604 is respectively connected and fixed with the first shaft rod 601 and the second shaft rod 602; and
the mixing blade plates 605 are arranged in a circumferential array, and the mixing blade plates 605 are transversely fixed on the first shaft rod 601 and the second shaft rod 602 respectively.
In this embodiment, the first shaft 601 and the second shaft 602 rotate in opposite directions.
Specifically, in the heavy metal contaminated soil remediation stirring process, heavy metal solidified soil is conveyed into the upper connecting machine body 2 through the rotation transmission effect of the spiral material guide piece 301, the driving motor drives the central shaft to rotate circumferentially, so that each extruding and grinding pipe body can be matched with the inner wall of the mounting ring barrel to extrude and grind the heavy metal solidified soil, meanwhile, the extruding and grinding pipe bodies can rotate relative to the inner extruding roller in the rotation process, so that the inner extruding roller can be matched with the inner wall of the extruding and grinding pipe body to synchronously refine and grind the heavy metal solidified soil; the heavy metal soil after milling is via add liquid restoration subassembly 5 fuses into the restoration agent, and finally, the fixed ring cover of peripheral hardware motor drive carries out directional circular rotary motion, and simultaneously, the work of rotating electrical machines drive axostylus axostyle one and two counter-rotation of axostylus axostyle to carry out the whole aspect even stirring by the heavy metal solidified soil of compounding page board, improve stirring effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a repair agitating unit that heavy metal soil solidification stabilization used which characterized in that: it includes:
installing a base (1);
the upper connecting machine body (2) is vertically embedded and fixed in the middle of the upper end face of the mounting machine base (1);
the feeding end seat (3) is arranged above one side of the upper connecting machine body (2), and one side of the feeding end seat (3) is transversely communicated with a spiral material guide piece (301);
the upper thinning and crushing assembly (4) is coaxially arranged on the upper side of the inner part of the upper connecting machine body (2) in a relatively rotating way;
the liquid adding and repairing assembly (5) is coaxially arranged in the upper connecting machine body (2) and is positioned below the upper thinning and crushing assembly (4); and
the stirring and mixing assembly (6) can transversely penetrate and erect the lower side in the upper connecting machine body (2) in a relatively rotating mode, and a discharge port is further formed in one side of the lower end face of the upper connecting machine body (2) and used for conveying the repaired soil outwards;
the heavy metal solidified soil is discharged into the feeding end seat (3) through the rotary transmission action of the spiral material guide piece (301), and is introduced into the upper connecting body (2) through the feeding end seat (3), and the upper thinning and crushing assembly (4) conducts grinding and extrusion on the heavy metal solidified soil under the rotary action, so that the soil muddy texture with uniformly dispersed particles is formed; the repairing agent is blended into the ground heavy metal soil through the liquid adding repairing component (5), and the mixed agent is uniformly mixed and stirred by the stirring and mixing component (6) after being blended, so that the repairing work of the heavy metal solidified soil is realized; finally, discharging and conveying outwards through a discharge port;
the upper fine crushing assembly (4) comprises:
the mounting ring barrel (401) is coaxially fixed in the upper connecting machine body (2);
a plurality of extrusion grinding pipe bodies (402) are arranged in a circumferential array, transmission teeth are sleeved outside each extrusion grinding pipe body (402), an outer tooth ring is arranged on the inner ring of the mounting ring cylinder (401), and the extrusion grinding pipe bodies (402) are connected with the mounting ring cylinder (401) for transmission through the gear meshing effect;
the central shaft (403) is coaxially and vertically arranged in the mounting ring barrel (401) in a relatively rotating mode, an internal tooth piece (405) is fixed at one end of the central shaft (403), and the internal tooth piece (405) is meshed with each transmission tooth for transmission; and
the driving motor (404) is fixed on the upper side inside the upper connecting body (2), and the output end of the driving motor (404) is connected and fixed with the central shaft (403);
further comprising:
the inner extrusion rollers (406) are arranged in a plurality of groups in a circumferential array and are arranged in one-to-one correspondence with the extruding and grinding pipe body (402), one end of each inner extrusion roller (406) is fixedly connected with the central shaft (403) through a mounting frame, and the inner extrusion rollers (406) and the extruding and grinding pipe body (402) are in a concentric circle structure;
the isolation baffle (407) is arranged in the mounting ring barrel (401) in a circling mode and is positioned above the end face of each transmission gear; and
the auxiliary material guiding pieces (7) are arranged in one-to-one correspondence with the extrusion and grinding pipe bodies (402), and one end of each auxiliary material guiding piece (7) is communicated with the extrusion and grinding pipe bodies (402);
the cross section of the inner extrusion roller (406) is of a trapezoidal structure, and the outer circumferential side wall of the extrusion grinding pipe body (402) is provided with a plurality of conveying ports;
the auxiliary material guide member (7) includes:
the mounting guide seats (701) are vertically communicated below the extruding and grinding pipe bodies (402);
the inner grinding pieces (702) are vertically and uniformly arranged in multiple groups, and each inner grinding piece (702) is fixedly connected with the installation guide seat (701) through an internal spring; and
the central spheres (703) are correspondingly arranged among the inner grinding pieces (702).
2. The stirring device for the solidification and stabilization of soil with remediation heavy metal according to claim 1, wherein: the plating solution restoration assembly (5) comprises:
the sealing inner cylinder (501) is coaxially fixed in the upper connecting machine body (2);
the liquid supply discharge pipe (502) transversely penetrates through the upper connecting body (2) and is circumferentially distributed on the outer side of the sealing inner cylinder (501); and
and the fixed spray heads (503) are uniformly arranged on the liquid supply discharge pipes (502), one ends of the fixed spray heads (503) extend into the sealed inner cylinder (501), and repair agents are uniformly sprayed on the fixed spray heads.
3. The stirring device for the solidification and stabilization of soil with remediation heavy metal according to claim 1, wherein: the stirring and mixing assembly (6) comprises:
the fixed ring sleeve (603) is coaxially arranged on the upper connecting machine body (2) through a connecting rotor which can rotate relatively;
the first shaft lever (601) and the second shaft lever (602) transversely rotate through the fixed ring sleeve (603) through bearings, and one end of the first shaft lever (601) is rotatably sleeved on the second shaft lever (602);
the rotating motors (604) are symmetrically fixed at two sides of the fixed ring sleeve (603), and the output ends of the rotating motors (604) are respectively connected and fixed with the first shaft rod (601) and the second shaft rod (602); and
the material mixing blades (605) are arranged in a circumferential array, and the material mixing blades (605) are transversely fixed on the first shaft lever (601) and the second shaft lever (602) respectively.
4. The stirring device for the solidification and stabilization of heavy metal remediation soil as claimed in claim 3, wherein: the first shaft lever (601) and the second shaft lever (602) rotate in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936372.5A CN113714265B (en) | 2021-08-16 | 2021-08-16 | Stirring device for repairing heavy metal soil solidification and stabilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936372.5A CN113714265B (en) | 2021-08-16 | 2021-08-16 | Stirring device for repairing heavy metal soil solidification and stabilization |
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| Publication Number | Publication Date |
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| CN113714265A CN113714265A (en) | 2021-11-30 |
| CN113714265B true CN113714265B (en) | 2022-12-02 |
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| CN202110936372.5A Active CN113714265B (en) | 2021-08-16 | 2021-08-16 | Stirring device for repairing heavy metal soil solidification and stabilization |
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| CN114473236B (en) * | 2022-02-17 | 2023-09-19 | 苏州凯雷特精密机械有限公司 | Laser cutting device for aerospace catheter |
| CN115156282B (en) * | 2022-07-19 | 2023-06-27 | 江西挺进环保科技股份有限公司 | Soil prosthetic devices is administered in mine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206676905U (en) * | 2017-02-24 | 2017-11-28 | 浙江益壤环保科技有限公司 | It is a kind of to solidify and stabilize the dispensation apparatus repaired for contaminated soil |
| CN210546997U (en) * | 2019-07-04 | 2020-05-19 | 北京昊能环保科技有限公司 | Heavy metal contaminated soil is with drip washing prosthetic devices |
| CN111760512B (en) * | 2020-06-19 | 2022-06-03 | 安徽农农乐农业科技有限公司 | High-efficient stirring mixing arrangement of nourishment of pine mushroom cultivation usefulness |
| CN213195043U (en) * | 2020-07-21 | 2021-05-14 | 四川锦美环保股份有限公司 | Device for repairing soil heavy metal |
| CN111906133B (en) * | 2020-08-06 | 2022-06-10 | 铜仁学院 | Compound layer type filtering device for soil pollution restoration |
| CN112121894B (en) * | 2020-08-19 | 2021-10-26 | 北京大地高科地质勘查有限公司 | Automatic multi-slurry preparation and supply equipment for grouting construction |
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