CN106984645A - A kind of recirculating fluidized bed contaminated soil remediation device - Google Patents
A kind of recirculating fluidized bed contaminated soil remediation device Download PDFInfo
- Publication number
- CN106984645A CN106984645A CN201710429664.3A CN201710429664A CN106984645A CN 106984645 A CN106984645 A CN 106984645A CN 201710429664 A CN201710429664 A CN 201710429664A CN 106984645 A CN106984645 A CN 106984645A
- Authority
- CN
- China
- Prior art keywords
- groove
- heating
- base
- motor
- centrifugal dehydration
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of recirculating fluidized bed contaminated soil remediation device, groove, gas cleaning groove, base and steelframe seat are repaired including mixing groove, heating, the middle position of the chassis interior is fixed with storage mud groove, the top of the storage mud groove is welded with centrifugal dehydration groove, steelframe seat inside is extended at the top of the centrifugal dehydration groove and mixing groove is installed, and the base top of steelframe seat side is fixed with heating and repairs groove, the base top that groove side is repaired in the heating is fixed with gas cleaning groove.The present invention repairs groove, burner by installing heating, so that the soil after centrifugal dehydration is after heating, drying can be accessed, internal effumability harmful components can be removed again, it is very convenient, and by installing gas cleaning groove, the liquid such as desulfurizing agent being added in gas cleaning groove, it is to avoid untreated toxic gas produces harm to health.
Description
Technical field
The present invention relates to contaminated soil remediation technical field, specially a kind of recirculating fluidized bed contaminated soil remediation device.
Background technology
Modern petroleum exploration, exploitation, processing enterprise, and the enterprise such as chemical industry, pharmacy production process often to soil
Severe contamination is caused, toluene in these heavily contaminated places, the volatile matter content such as carbon tetrachloride is very high, and these pollutants are dirty
Dye thing belongs to hydrophobic organic compound mostly, and the solubility in water is smaller, can be trapped in soil environment, both destroy for a long time
Soil texture and function, produce to the physicochemical property of soil and have a strong impact on, turn into the long-term pollution of surface water and groundwater again
Source, at present to using the improvement of severe volatile contaminant soil more by soil scoop away strange land burned, filled, hydrodynamic cleaning etc.
Processing, but it is higher to there is processing cost, is also easy to produce secondary pollution problems, although in the market also occurs in that some contaminated soils are repaiied
Apparatus for coating, but some problems are still suffered from, such as soil remediation program is single, to the not thorough enough of the harmful components processing in soil,
Do not reach the requirement of reparation, and the toxic gas produced during soil remediation can not be handled in time, arbitrarily discharge, so as to make
Into atmosphere pollution, cause the reduction of people's quality of life.
The content of the invention
It is an object of the invention to provide a kind of recirculating fluidized bed contaminated soil remediation device, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of recirculating fluidized bed contaminated soil remediation device,
Groove, gas cleaning groove, base and steelframe seat are repaired including mixing groove, heating, the middle position of the chassis interior is consolidated
Surely there is storage mud groove, and the chassis interior of storage mud groove side is provided with slush pump, the input of the slush pump passes through conduit and storage
The bottom connection of mud groove, one end that the chassis interior of the slush pump side is provided with above burner, the base is welded with
Steelframe seat, the top of the storage mud groove is welded with centrifugal dehydration groove, and the bottom of centrifugal dehydration groove is connected with storing up the top of mud groove,
The inside of the centrifugal dehydration groove is provided with centrifuge, and the middle position of centrifuge is provided with rotating shaft, the centrifugal dehydration
The side of trench bottom is provided with outlet pipe, the base of the centrifugal dehydration groove side and is provided with the second motor, and second
The output end of motor is connected by the top of pulley mechanism and rotating shaft, and steelframe is extended at the top of the centrifugal dehydration groove
Seat is internal and is provided with mixing groove, and the inside of mixing groove is vertically provided with agitator, the mixing groove
First motor is installed at top center position, and the output end of the first motor and the top of agitator are connected, institute
State the top mixed inside groove to be provided with below water distributor, and water distributor distributive pipe is installed, the mixing groove
The bottom being provided with the steelframe seat that groove side is repaired in heating inside medicine storing pot, and medicine storing pot is provided with water pump, water pump
Output end is connected by flexible pipe with water distributor, and the steelframe seat inner inclination of the groove away from medicine storing pot side that mix is provided with
Screw feeding groove, and the inside of screw feeding groove is provided with spiral conveying bar, the screw feeding groove is away from mixing groove one
The steelframe seat at end is internal to be provided with the 3rd motor, and the output end of the 3rd motor passes through bearing block and spiral conveying bar
Input connection, the steelframe seat top for mixing groove side is provided with crush box, and the bottom of crush box passes through pipe
Road is connected with the top of screw feeding groove, and the inside of crush box is provided with the crushing wheel of mutual cooperation, the crush box side
Steelframe seat top is hinged with feed hopper by electric hydaulic expansion link and support column, and the bottom of feed hopper is provided with filter screen, institute
State the seat of the steelframe immediately below feed hopper top and soil holding tank is installed, and the bottom of soil holding tank is sent by pipeline with spiral
The top connection of hopper, and the base top of steelframe seat side is fixed with heating reparation groove, and heating is repaired groove and taken off close to centrifugation
The top of tank side is connected by the output end of conduit and slush pump, and the bottom that groove is repaired in the heating extends to chassis interior
And discharging opening is installed, and heating repairs the bottom of groove by the output end connection of heat conducting pipe and burner, the heating is repaired
The base top of groove side is fixed with gas cleaning groove, and the upper of groove is repaired in the top of gas cleaning groove by ventilation duct with heating
End connection, the gas cleaning groove is repaired away from heating and is provided with escape pipe at the top of groove side.
It is preferred that, the side of the base is provided with maintenance door by hinge.
It is preferred that, the outside of first motor, the second motor and the 3rd motor is welded with protection
Cover.
It is preferred that, it is tiltedly installed with striker plate between the two bottom sides wall of the centrifuge and storage mud groove top.
It is preferred that, the bottom angled that groove is repaired in the heating is provided with deflector.
Compared with prior art, the beneficial effects of the invention are as follows：This kind of recirculating fluidized bed contaminated soil remediation device, device
By installing crush box and the crushing wheel of mutual cooperation being installed inside crush box so that the soil being added in device can be obtained
Crushing is fully ground, it is easy to subsequently fully merge with eluent, it is ensured that repair is smoothed out, device, which passes through, installs mixing
Tank diameter, agitator so that the soil after crushing is thoroughly mixed and reacted with eluent, so as to reduce in contaminated soil
Pollution concentration, device is by installing centrifugal dehydration groove, centrifuge so that reacted soil with elution agent composition can pass through from
Scheming centrifugal dehydration, the higher liquid component of pollution concentration is spun off from soil, very convenient, and device is by installing
Groove, burner are repaired in heating so that the soil after centrifugal dehydration can access drying, can remove again after heating
Internal effumability harmful components, device adds the liquid such as desulfurizing agent in gas cleaning groove, made by installing gas cleaning groove
The pernicious gas composition that produces after the heating of soil can be processed in time, it is to avoid untreated toxic gas is to health
Produce harm.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the invention；
Fig. 2 is stirring eccentric part structural representation of the invention；
Fig. 3 is understructure schematic elevation view of the invention；
In figure：1- feed hoppers；2- filter screens；3- screw feeding grooves；4- crushing wheels；5- crush boxes；The motors of 6- first；7-
Mix groove；8- medicine storing pots；9- conduits；Groove is repaired in 10- heating；11- ventilation ducts；12- escape pipes；13- gas cleaning grooves；
14- bases；15- heat conducting pipes；16- burners；17- discharging openings；18- slush pumps；The motors of 19- second；20- stores up mud groove；21-
Centrifugal dehydration groove；22- centrifuges；23- steelframes seat；24- agitators；The motors of 25- the 3rd；26- spiral conveying bars；27- soil
Earth holding tank；28- electric hydaulic expansion links；29- water distributors；30- distributive pipes；31- water pumps；32- rotating shafts；33- striker plates；34-
Outlet pipe；35- maintenance doors.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of embodiment that the present invention is provided：A kind of recirculating fluidized bed contaminated soil remediation device, bag
Include mixing groove 7, heating and repair groove 10, gas cleaning groove 13, base 14 and steelframe seat 23, the side of base 14 passes through hinge
Maintenance door 35 is installed, is easy to staff to overhaul, the middle position inside base 14 is fixed with storage mud groove 20, and storage mud groove
Slush pump 18 is installed, the input of slush pump 18 is connected by conduit 9 and the bottom of storage mud groove 20 inside the base 14 of 20 sides
It is logical, burner 16 is installed, one end of the top of base 14 is welded with steelframe seat 23, stores up mud inside the base 14 of the side of slush pump 18
The top of groove 20 is welded with centrifugal dehydration groove 21, and the bottom of centrifugal dehydration groove 21 is connected with storing up the top of mud groove 20, and centrifugation is de-
The inside of tank 21 is provided with centrifuge 22, and gear is tiltedly installed between the two bottom sides wall of centrifuge 22 and storage mud groove 20 top
Flitch 33, prevents liquid from flowing into storage mud groove 20, and the middle position of centrifuge 22 is provided with rotating shaft 32, the bottom of centrifugal dehydration groove 21
The side in portion is provided with outlet pipe 34, the base 14 of the side of centrifugal dehydration groove 21 and is provided with the second motor 19, and this second
The model of motor 19 can be Y90S-2, and the output end of the second motor 19 passes through pulley mechanism and the top of rotating shaft 32
End connection, the top of centrifugal dehydration groove 21 extends to the inside of steelframe seat 23 and is provided with mixing groove 7, and mixes groove 7
Inside agitator 24 is vertically installed, first motor 6 is installed at the top center position for mixing groove 7, this
The model of one motor 6 can be Y90S-2, and the output end of the first motor 6 is connected with the top of agitator 24, mixing
Top inside tank diameter 7 is provided with water distributor 29, and the lower section of water distributor 29 is provided with distributive pipe 30, mixes groove 7 and leans on
Nearly heating repairs the bottom being provided with the steelframe seat 23 of the side of groove 10 inside medicine storing pot 8, and medicine storing pot 8 and is provided with water pump 31,
The model of the water pump 31 can be ISGD, and the output end of water pump 31 is connected by flexible pipe with water distributor 29, mix groove 7 away from storage
Steelframe 23 inner inclinations of seat of the side of medicinal cupping 8 are provided with screw feeding groove 3, and the inside of screw feeding groove 3 is provided with spiral transferring
Expect bar 26, screw feeding groove 3 inside the steelframe seat 23 for mixing groove 7 one end away from being provided with the 3rd motor 25, and this
The model of three motors 25 can be Y90S-2, the first motor 6, the second motor 19 and the 3rd motor 25 it is outer
Side is welded with protective cover, increases the service life of the first motor 6, the second motor 19 and the 3rd motor 25,
And the 3rd the output end of motor 25 be connected by bearing block with the input of spiral conveying bar 26, mix the side of groove 7
The top of steelframe seat 23 crush box 5 is installed, and the bottom of crush box 5 is connected by pipeline with the top of screw feeding groove 3, powder
The inside of broken case 5 is provided with the crushing wheel 4 of mutual cooperation, and the top of steelframe seat 23 of the side of crush box 5 is flexible by electric hydaulic
Bar 28 and support column are hinged with feed hopper 1, and the bottom of feed hopper 1 is provided with filter screen 2, the steelframe seat 23 of the underface of feed hopper 1
Top is provided with soil holding tank 27, and the bottom of soil holding tank 27 is connected by pipeline with the top of screw feeding groove 3, and
The top of base 14 of 23 sides of steelframe seat is fixed with heating and repairs groove 10, and the bottom angled that groove 10 is repaired in heating is provided with water conservancy diversion
Plate, the soil after being easily repaired slides, and heating repairs top of the groove 10 close to the side of centrifugal dehydration groove 21 by conduit 9 with taking out
The output end connection of dredge pump 18, the bottom that groove 10 is repaired in heating extends to the inside of base 14 and is provided with discharging opening 17, and heating
The bottom for repairing groove 10 is connected by heat conducting pipe 15 with the output end of burner 16, and the top of base 14 of the side of groove 10 is repaired in heating
Gas cleaning groove 13 is fixed with, and the top of gas cleaning groove 13 is connected by ventilation duct 11 with the upper end that groove 10 is repaired in heating,
Gas cleaning groove 13 is repaired away from heating and is provided with escape pipe 12 at the top of the side of groove 10.
Operation principle：In use, switching on power, soil to be repaired is inserted into feed hopper 1 first, when soil flows through filter screen
When 2, some fine particles in soil are fallen directly into the soil holding tank 27 of installation, and bulky grain is then slid into crush box 5
In, then cooperated by the crushing wheel 4 of installation and bulky grain is ground, after end to be ground, open control valve, soil
Soil particle in holding tank 27 and crush box 5 is then dropped into screw feeding groove 3, opens the 3rd motor 25, passes through peace
The spiral conveying bar 26 of dress is transported in mixing groove 7, is then added eluent into medicine storing pot 8, is passed through installation
Eluent is extracted into mixing groove 7 by water pump 31, opens the first motor 6, and the first motor 6 drives 24 turns of agitator
It is dynamic, soil is sufficiently mixed with eluent, then soil and eluent fully reacted mixture are dropped into centrifuge 22,
The second motor 19 is opened, the second motor 19 drives centrifuge 22 to rotate at a high speed, harmful liquid composition is departed from and led to
Cross outlet pipe 34 to discharge, the soil later fallen into storage mud groove 20 is pumped into heating by slush pump 18 and repaired in groove 10, opens
Burner 16, is heated to it, effumability harmful components in soil is removed, the soil after reparation then passes through discharging opening 17
Discharge, the toxic gas finally produced is entered in gas cleaning groove 13, by outlet after being reacted through liquid such as desulfurizing agents
Pipe 12 is discharged.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Claims (5)
1. a kind of recirculating fluidized bed contaminated soil remediation device, including mixing groove (7), heating reparation groove (10), flue gas are net
Change groove (13), base (14) and steelframe seat (23), it is characterised in that：The internal middle position of the base (14) is fixed with storage
Slush pump (18), the input of the slush pump (18) are installed inside mud groove (20), and the base (14) of storage mud groove (20) side
End is connected by conduit (9) with the bottom of storage mud groove (20), and combustion is provided with inside the base (14) of slush pump (18) side
One end above burner (16), the base (14) be welded with steelframe seat (23), it is described storage mud groove (20) top be welded with from
The heart is dehydrated groove (21), and the bottom of centrifugal dehydration groove (21) is connected with the top of storage mud groove (20), the centrifugal dehydration groove (21)
Inside centrifuge (22) is installed, and the middle position of centrifuge (22) is provided with rotating shaft (32), the centrifugal dehydration groove
(21) side of bottom is provided with outlet pipe (34), the base (14) of centrifugal dehydration groove (21) side and is provided with the second drive
Motor (19) is moved, and the output end of the second motor (19) is connected by pulley mechanism with the top of rotating shaft (32), it is described
Steelframe seat (23) inside is extended at the top of centrifugal dehydration groove (21) and mixing groove (7) is installed, and mixes groove (7)
Inside agitator (24) is vertically installed, the first driving electricity is installed at the top center position for mixing groove (7)
Machine (6), and the output end of the first motor (6) is connected with the top of agitator (24), the groove (7) that mixes is internal
Top, which is provided with below water distributor (29), and water distributor (29), is provided with distributive pipe (30), and the mixing groove (7) is close
Heating is repaired and medicine storing pot (8) is provided with the steelframe seat (23) of groove (10) side, and the internal bottom of medicine storing pot (8) is provided with water
Pump (31), the output end of water pump (31) is connected by flexible pipe with water distributor (29), and the mixing groove (7) is away from medicine storing pot
(8) steelframe seat (23) inner inclination of side is provided with screw feeding groove (3), and the inside of screw feeding groove (3) is provided with spiral shell
Conveying bar (26) is revolved, the screw feeding groove (3) is provided with the 3rd inside the steelframe seat (23) away from mixing groove (7) one end
Motor (25), and the output end of the 3rd motor (25) passes through the input of bearing block and spiral conveying bar (26) and connects
Connect, crush box (5) is installed above the steelframe seat (23) for mixing groove (7) side, and the bottom of crush box (5) passes through
Pipeline is connected with the top of screw feeding groove (3), and the inside of crush box (5) is provided with the crushing wheel (4) of mutual cooperation, the powder
Feed hopper (1) is hinged with by electric hydaulic expansion link (28) and support column above the steelframe seat (23) of broken case (5) side, and entered
Steelframe seat (23) top that the bottom of hopper (1) is provided with immediately below filter screen (2), the feed hopper (1) is provided with soil storage
Groove (27), and the bottom of soil holding tank (27) connected by pipeline with the top of screw feeding groove (3), and steelframe seat (23) one
Heating is fixed with the top of the base (14) of side and repairs groove (10), and heating repairs groove (10) close to centrifugal dehydration groove (21) side
Top is connected by conduit (9) with the output end of slush pump (18), and the bottom that groove (10) is repaired in the heating extends to base
(14) it is internal and discharging opening (17) is installed, and heating repairs the bottom of groove (10) and passes through heat conducting pipe (15) and burner (16)
Output end is connected, and base (14) top that groove (10) side is repaired in the heating is fixed with gas cleaning groove (13), and flue gas is net
The top for changing groove (13) is connected by ventilation duct (11) with the upper end that groove (10) is repaired in heating, and the gas cleaning groove (13) is remote
Heating is repaired and is provided with escape pipe (12) at the top of groove (10) side.
2. a kind of recirculating fluidized bed contaminated soil remediation device according to claim 1, it is characterised in that：The base
(14) side is provided with maintenance door (35) by hinge.
3. a kind of recirculating fluidized bed contaminated soil remediation device according to claim 1, it is characterised in that：Described first drives
The outside of dynamic motor (6), the second motor (19) and the 3rd motor (25) is welded with protective cover.
4. a kind of recirculating fluidized bed contaminated soil remediation device according to claim 1, it is characterised in that：The centrifuge
(22) striker plate (33) is tiltedly installed between two bottom sides wall and storage mud groove (20) top.
5. a kind of recirculating fluidized bed contaminated soil remediation device according to claim 1, it is characterised in that：The heating is repaiied
The bottom angled of multiple groove (10) is provided with deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429664.3A CN106984645A (en) | 2017-06-09 | 2017-06-09 | A kind of recirculating fluidized bed contaminated soil remediation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429664.3A CN106984645A (en) | 2017-06-09 | 2017-06-09 | A kind of recirculating fluidized bed contaminated soil remediation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106984645A true CN106984645A (en) | 2017-07-28 |
Family
ID=59421504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710429664.3A Withdrawn CN106984645A (en) | 2017-06-09 | 2017-06-09 | A kind of recirculating fluidized bed contaminated soil remediation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106984645A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108212284A (en) * | 2017-12-21 | 2018-06-29 | 袁加衡 | A kind of prosthetic device of As polluted soil |
| CN108326027A (en) * | 2018-01-24 | 2018-07-27 | 共同科技开发有限公司 | A kind of soil sanitation device of getting dirty using double purified mode |
| CN108515077A (en) * | 2018-04-18 | 2018-09-11 | 上海建为环保科技有限公司 | A kind of resolver for administering VOCs-contaminated Soils |
| CN109632453A (en) * | 2018-11-10 | 2019-04-16 | 钱巍 | A kind of thermal desorption method soil remediation experimental rig |
| CN111085539A (en) * | 2019-12-20 | 2020-05-01 | 王凯 | Soil remediation device |
| CN111151170A (en) * | 2020-01-16 | 2020-05-15 | 江西千翔环保工程有限公司 | Soil restoration is with mixing stirring device |
| CN112090944A (en) * | 2020-08-25 | 2020-12-18 | 河南衡鼎计量检测技术有限公司 | Soil pollutant processing apparatus |
| CN112474779A (en) * | 2020-11-11 | 2021-03-12 | 张克友 | Device for filtering and repairing soil with heavy metals |
| CN112588801A (en) * | 2020-12-11 | 2021-04-02 | 师冲冲 | Ecological soil restoration treatment method |
-
2017
- 2017-06-09 CN CN201710429664.3A patent/CN106984645A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108212284A (en) * | 2017-12-21 | 2018-06-29 | 袁加衡 | A kind of prosthetic device of As polluted soil |
| CN108326027A (en) * | 2018-01-24 | 2018-07-27 | 共同科技开发有限公司 | A kind of soil sanitation device of getting dirty using double purified mode |
| CN108515077A (en) * | 2018-04-18 | 2018-09-11 | 上海建为环保科技有限公司 | A kind of resolver for administering VOCs-contaminated Soils |
| CN109632453A (en) * | 2018-11-10 | 2019-04-16 | 钱巍 | A kind of thermal desorption method soil remediation experimental rig |
| CN111085539A (en) * | 2019-12-20 | 2020-05-01 | 王凯 | Soil remediation device |
| CN111151170A (en) * | 2020-01-16 | 2020-05-15 | 江西千翔环保工程有限公司 | Soil restoration is with mixing stirring device |
| CN112090944A (en) * | 2020-08-25 | 2020-12-18 | 河南衡鼎计量检测技术有限公司 | Soil pollutant processing apparatus |
| CN112474779A (en) * | 2020-11-11 | 2021-03-12 | 张克友 | Device for filtering and repairing soil with heavy metals |
| CN112588801A (en) * | 2020-12-11 | 2021-04-02 | 师冲冲 | Ecological soil restoration treatment method |
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| PB01 | Publication | ||
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Application publication date: 20170728 |