CN112620328B - Soil disinfection restores combination processing apparatus - Google Patents

Soil disinfection restores combination processing apparatus Download PDF

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Publication number
CN112620328B
CN112620328B CN202011373052.5A CN202011373052A CN112620328B CN 112620328 B CN112620328 B CN 112620328B CN 202011373052 A CN202011373052 A CN 202011373052A CN 112620328 B CN112620328 B CN 112620328B
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CN
China
Prior art keywords
frame
rotating shaft
soil
planing
conveying rotating
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Application number
CN202011373052.5A
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Chinese (zh)
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CN112620328A (en
Inventor
田学
孙东文
冯光辉
张海娟
孔福苓
王海清
赵淑芳
岳薇
赵文苹
孙霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zibo Vegetable Office
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Zibo Vegetable Office
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Priority to CN202011373052.5A priority Critical patent/CN112620328B/en
Publication of CN112620328A publication Critical patent/CN112620328A/en
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Publication of CN112620328B publication Critical patent/CN112620328B/en
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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
    • B09C1/06—Reclamation of contaminated soil thermally
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B77/00—Machines for lifting and treating soil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/28—Shape or construction of beater elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/30—Driving mechanisms
    • 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
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28609—Discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/286—Feeding or discharge
    • B02C2013/28618—Feeding means
    • B02C2013/28636—Feeding means of conveyor belt type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Soil Working Implements (AREA)

Abstract

The invention relates to the technical field of soil remediation. The combined treatment device comprises a frame, wherein a top frame is arranged above the frame, and a walking mechanism is arranged at the bottom of the frame; the soil digging device also comprises a prime motor arranged on the frame and a front stretching frame arranged at the front end of the frame, wherein a soil digging mechanism is arranged at one end of the front stretching frame, which is far away from the frame; the soil digging mechanism is in transmission connection with a prime motor fixedly arranged on the frame. The invention can improve the soil remediation effect, can directly walk on the ground and is convenient to use.

Description

Soil disinfection restores combination processing apparatus
Technical Field
The invention relates to the technical field of soil remediation, in particular to a soil disinfection and remediation combined treatment device.
Background
Soil remediation refers to the physical, chemical and biological methods of transferring, absorbing, degrading and transforming harmful substances in soil to reduce the concentration thereof to an acceptable level, or transforming toxic and harmful pollutants into harmless substances. The method is a high-efficiency and rapid soil remediation treatment mode, and the most commonly adopted mode is that diluted soil treatment agent is used for directly irrigating or fumigating the garden soil. By adopting the irrigation mode, the treating agent can permeate under the action of natural gravity, the treatment depth is deeper than fumigation, but the mode needs to consume a large amount of the treating agent, the cost is higher, excessive treatment is easily caused by the irrigation mode, and new secondary pollution is easily caused once the control is not good. Although the amount of the treating agent is greatly reduced in the fumigation mode, the fumigation mode is usually only capable of repairing surface soil due to lack of permeability, and is obviously not suitable for occasions with large repairing depth.
Disclosure of Invention
The invention aims to provide a soil disinfection and restoration combined treatment device which is good in restoration effect and high in restoration speed.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: a soil disinfection and restoration combined treatment device comprises a frame, wherein a top frame is arranged above the frame, and a walking mechanism is arranged at the bottom of the frame; the soil digging device also comprises a prime motor arranged on the frame and a front stretching frame arranged at the front end of the frame, wherein a soil digging mechanism is arranged at one end of the front stretching frame, which is far away from the frame; the soil digging mechanism is in transmission connection with a prime motor fixedly arranged on the frame;
a treatment barrel arranged along the length direction of the frame is arranged between the frame and the top frame, the front end of the treatment barrel is communicated with the outlet end of the crusher, and an inclined conveying belt is arranged between the inlet end of the crusher and the soil planing mechanism; the lower end of the conveying belt is opposite to the rear end of the arc shovel plate, the front end of the arc shovel plate is opposite to the lower edge of the soil planing mechanism, and the arc shovel plate is fixedly connected with the forward extending frame through a connecting arm;
the inside of the treatment barrel is provided with a hollow conveying rotating shaft extending along the length direction of the treatment barrel, the outer surface of the conveying rotating shaft is provided with spiral teeth extending along the length direction of the conveying rotating shaft, the side wall of the conveying rotating shaft is also distributed with a plurality of air outlet micropores penetrating through the outer surface and the inner cavity of the conveying rotating shaft, two ends of the conveying rotating shaft extend out of the treatment barrel, one end of the conveying rotating shaft is in transmission connection with a reduction gearbox, and the other end of the conveying rotating shaft is communicated with a steam generator fixedly arranged on the top frame through a steam pipeline; the steam pipeline is connected with the conveying rotating shaft through a rotary joint, and the reduction gearbox is in transmission connection with the prime motor; the rear end of the frame is also provided with an inclined plate extending obliquely downwards, and the rear end of the treatment cylinder is opposite to the upper end of the inclined plate.
Preferably, a plurality of treatment barrels are arranged on the frame side by side, the conveying rotating shafts of the treatment barrels are provided with synchronous gears, the synchronous gears are positioned at one ends of the conveying rotating shafts close to the reduction gearbox, and the synchronous gears of the conveying rotating shafts are meshed with each other; one conveying rotating shaft is in transmission connection with the reduction gearbox.
Preferably, the breaker comprises a barrel body with a rectangular cross section and extending along the width direction of the frame, and a plurality of funnel-shaped discharging barrels are arranged at the bottom of the barrel body corresponding to the number of the processing barrels and are communicated with the processing barrels through the discharging barrels; a vertical smashing rotating shaft is arranged in the barrel body above each discharging barrel, and a plurality of transverse smashing rods are uniformly arranged on the smashing rotating shafts; the upper end of each smashing rotating shaft is provided with a driving wheel, and the driving wheels are connected with a smashing motor fixedly arranged outside the barrel body through a driving belt.
Preferably, a protection plate is arranged above the transmission wheel.
Preferably, the soil planing mechanism comprises a soil planing rotating shaft which is arranged on the front stretching frame and extends along the width direction of the front stretching frame, and the soil planing rotating shaft is in transmission connection with the prime motor; dig and be annular evenly distributed on the global of soil pivot and have a plurality of planing rod, the planing rod is along digging the radial extension of soil pivot, and the tip of planing rod is provided with digs the hook.
Preferably, the prime mover is a diesel engine.
Preferably, a seat and an operating platform are further arranged on the top frame.
Preferably, a vertical ladder stand is further arranged on the side wall of the frame and extends to the top frame.
Preferably, the running mechanism is a crawler-type running mechanism.
The beneficial effects of the invention are concentrated and expressed as follows: can improve the soil remediation effect, and can directly go to the ground and walk convenient to use. Specifically, in the using process, the soil digging machine integrally moves in the field under the drive of the traveling mechanism, and the soil digging mechanism lifts soil in the field under the drive of the prime motor and performs primary crushing. Soil is shoveled by the arc shovel plate in the advancing process of the equipment, is conveyed to the breaker along the conveying belt for secondary crushing, the crushed soil falls into the treatment cylinder, the conveying rotating shaft rotates to convey the soil backwards along the treatment cylinder, the soil is finally discharged from the rear end of the treatment cylinder, and the soil slides down to the field after falling on the inclined plate to be treated. During the process of conveying soil in the treatment barrel, the steam generator vaporizes the soil treatment agent, and the steam enters the treatment barrel through the steam pipeline, the rotary joint, the conveying rotating shaft and the air outlet micropores in sequence and is continuously stirred and mixed with the soil, so that the effect of the soil treatment agent is fully exerted. The invention changes the traditional fumigation and irrigation modes, adopts steam to carry out mixed treatment on the soil, improves the utilization rate of the soil treatment agent, reduces the using amount of the soil treatment agent, and simultaneously has the functions of ploughing the soil and improving the oxygen content of the soil.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the shredder.
Detailed Description
With reference to fig. 1-2, a soil disinfection and remediation combined treatment device comprises a frame 1, wherein a top frame 2 is arranged above the frame 1, a traveling mechanism 3 is arranged at the bottom of the frame 1, the traveling mechanism 3 can adopt a wheel type traveling mechanism, is lighter in weight and suitable for open and flat dry land operation, can also adopt a crawler type traveling mechanism, has better trafficability and can adapt to various complex terrains. The top frame 2 is further provided with a seat 30 and an operation table 31. In order to facilitate the climbing up of the roof 2, vertical ladder stands 32 are preferably arranged on the side walls of the frame 1, the ladder stands 32 extending to the roof 2. The invention also comprises a prime motor 4 arranged on the frame 1 and a front extension frame 5 arranged at the front end of the frame 1, wherein the prime motor 5 is used for providing power for various devices, mechanisms and the like, the prime motor 5 can adopt a diesel engine, a gasoline engine and the like, and can also adopt a motor under the requirement of small horsepower operation, and the prime motor 5 can also output power through a multi-end power distribution box because the prime motor 5 of the invention needs to simultaneously drive a plurality of devices or mechanisms to act.
The one end that frame 1 was kept away from to protraction frame 5 is provided with digs native mechanism, thinks of mindedly, dig native mechanism is exactly the mechanism that is used for digging, turning up the pine with soil, can refer to the device that plays the same effect on the present various agricultural equipment in the market of adaptation, certainly, better way also can be as shown in fig. 1, dig native mechanism including setting up the dig native pivot 27 that extends along protraction frame 5 width direction on protraction frame 5, dig native pivot 27 and fixed prime mover 4 transmission connection who sets up on frame 1. A plurality of planing rods 28 are annularly and uniformly distributed on the circumferential surface of the planing rotating shaft 27, the planing rods 28 extend along the radial direction of the planing rotating shaft 27, and planing hooks 29 are arranged at the end parts of the planing rods 28. In the drawings, in order to avoid the interference of the drawings, the present invention does not show a specific transmission connection structure, and it is conceivable that a chain transmission, a belt transmission, a gear transmission, etc. are possible as long as the structure can perform a power transmission function.
Be provided with between frame 1 and the roof-rack 2 along the processing section of thick bamboo 6 that frame 1 length direction arranged, usually processing section of thick bamboo 6 can set up many side by side, the front end of processing section of thick bamboo 6 and the exit end intercommunication of breaker 7, be provided with the conveyer belt 8 of slope between the entrance point of breaker 7 and the mechanism of digging for loose soil to breaker 7. The lower end of the conveying belt 8 is opposite to the rear end of the arc shovel plate 9, the front end of the arc shovel plate 9 is opposite to the lower edge of the soil digging mechanism, and the arc shovel plate 9 is fixedly connected with the front stretching frame 5 through a connecting arm 10. The function of the arc-shaped shovel plate 9 is to shovel the soil loosened by the soil digging mechanism to the conveying belt 8.
The inside of a processing section of thick bamboo 6 is provided with along the transport pivot 11 that 6 length direction of a processing section of thick bamboo extended, hollow, the surface of carrying pivot 11 is provided with along carrying the helical tooth 12 that 11 length direction of pivot extended, carries pivot 11 can realize the transport stirring to soil at pivoted in-process helical tooth 12. The side wall of the conveying rotating shaft 11 is also provided with a plurality of air outlet micropores which penetrate through the outer surface and the inner cavity of the conveying rotating shaft 11, steam in the conveying rotating shaft 11 is convenient to discharge into the treatment cylinder 6, certain filtering and sealing should be carried out on the air outlet micropores to prevent soil from entering the air outlet micropores to cause blockage, and the simplest filtering mode is that the non-spiral tooth 12 area outside the conveying rotating shaft 11 is completely covered with a layer of fine filter screen. The two ends of the conveying rotating shaft 11 extend out of the treatment barrel 6, one end of the conveying rotating shaft is in transmission connection with the reduction gearbox 13, and the other end of the conveying rotating shaft is communicated with a steam generator 15 fixedly arranged on the top frame 2 through a steam pipeline 14. The steam pipeline 14 is connected with the conveying rotating shaft 11 through a rotary joint 16, and the reduction gearbox 13 is in transmission connection with the prime motor 4. Under the condition that a plurality of conveying rotating shafts 11 are arranged, namely under the condition that a plurality of treatment drums 6 are arranged, synchronous gears 18 are arranged on the conveying rotating shafts 11 of the treatment drums 6, the synchronous gears 18 are positioned at one ends, close to the reduction gearbox 13, of the conveying rotating shafts 11, and the synchronous gears 18 of the plurality of conveying rotating shafts 11 are meshed with each other. One conveying rotating shaft 11 is in transmission connection with a reduction gearbox 13.
In addition, the rear end of the frame 1 is also provided with a sloping plate 17 extending obliquely downwards, the rear end of the treatment cylinder 6 is opposite to the upper end of the sloping plate 17, and the soil treated by the treatment cylinder 6 falls on the sloping plate 17 and then falls into the field.
As shown in FIG. 2, the breaker 7 of the present invention comprises a barrel 19 with a rectangular cross section extending along the width direction of the frame 1, wherein a plurality of funnel-shaped discharge barrels 20 are arranged at the bottom of the barrel 19 corresponding to the number of the treatment barrels 6, and are communicated with the treatment barrels 6 through the discharge barrels 20. A vertical smashing rotating shaft 21 is arranged in the barrel body 19 above each discharging barrel 20, and a plurality of transverse smashing rods 22 are uniformly arranged on the smashing rotating shaft 21. The upper end of each smashing rotating shaft 21 is provided with a driving wheel 23, and the driving wheel 23 is connected with a smashing motor 25 fixedly arranged outside the barrel body 19 through a driving belt 24. When the soil breaking machine is used, the breaking motor 25 drives the breaking rotating shaft 21 to act, and soil is broken by the breaking rods 22 on the breaking rotating shaft 21 in the falling process after entering the barrel body 19. In order to prevent soil from affecting the transmission structure of the crusher 7, a protective plate 26 is arranged above the transmission wheel 23.

Claims (7)

1. The utility model provides a soil disinfection restores combination processing apparatus which characterized in that: the bicycle comprises a bicycle frame (1), wherein a top frame (2) is arranged above the bicycle frame (1), and a travelling mechanism (3) is arranged at the bottom of the bicycle frame (1); the soil digging device is characterized by further comprising a prime motor (4) arranged on the frame (1) and a forward extending frame (5) arranged at the front end of the frame (1), wherein a soil digging mechanism is arranged at one end, far away from the frame (1), of the forward extending frame (5); the soil digging mechanism is in transmission connection with a prime motor (4) fixedly arranged on the frame (1);
a treatment cylinder (6) arranged along the length direction of the frame (1) is arranged between the frame (1) and the top frame (2), the front end of the treatment cylinder (6) is communicated with the outlet end of a crusher (7), and an inclined conveying belt (8) is arranged between the inlet end of the crusher (7) and the soil planing mechanism; the lower end of the conveying belt (8) is opposite to the rear end of the arc shovel plate (9), the front end of the arc shovel plate (9) is opposite to the lower edge of the soil planing mechanism, and the arc shovel plate (9) is fixedly connected with the forward extending frame (5) through a connecting arm (10);
the inner part of the treatment barrel (6) is provided with a hollow conveying rotating shaft (11) extending along the length direction of the treatment barrel (6), the outer surface of the conveying rotating shaft (11) is provided with spiral teeth (12) extending along the length direction of the conveying rotating shaft (11), the side wall of the conveying rotating shaft (11) is also distributed with a plurality of air outlet micropores penetrating through the outer surface and the inner cavity of the conveying rotating shaft (11), two ends of the conveying rotating shaft (11) extend out of the treatment barrel (6), one end of the conveying rotating shaft is in transmission connection with a reduction gearbox (13), and the other end of the conveying rotating shaft is communicated with a steam generator (15) fixedly arranged on the top frame (2) through a steam pipeline (14); the steam pipeline (14) is connected with the conveying rotating shaft (11) through a rotary joint (16), and the reduction gearbox (13) is in transmission connection with the prime motor (4); the rear end of the frame (1) is also provided with a sloping plate (17) extending obliquely downwards, and the rear end of the treatment cylinder (6) is opposite to the upper end of the sloping plate (17);
the crusher (7) comprises a barrel body (19) which extends along the width direction of the frame (1) and is rectangular in cross section, a plurality of funnel-shaped discharging barrels (20) are arranged at the bottom of the barrel body (19) corresponding to the number of the processing barrels (6), and the discharging barrels (20) are communicated with the processing barrels (6); a vertical smashing rotating shaft (21) is arranged in the barrel body (19) above each discharging barrel (20), and a plurality of transverse smashing rods (22) are uniformly arranged on the smashing rotating shaft (21); the upper end of each smashing rotating shaft (21) is provided with a driving wheel (23), and the driving wheel (23) is connected with a smashing motor (25) fixedly arranged outside the barrel body (19) through a driving belt (24);
a plurality of treatment barrels (6) are arranged on the frame (1) side by side, synchronous gears (18) are arranged on the conveying rotating shafts (11) of the treatment barrels (6), the synchronous gears (18) are positioned at one ends, close to the reduction gearbox (13), of the conveying rotating shafts (11), and the synchronous gears (18) of the conveying rotating shafts (11) are meshed with one another; one conveying rotating shaft (11) is in transmission connection with a reduction gearbox (13).
2. The soil disinfecting and remediating combination treatment device of claim 1, wherein: a protective plate (26) is arranged above the driving wheel (23).
3. The soil disinfecting and remediating combination treatment device of claim 2, wherein: the soil planing mechanism comprises a soil planing rotating shaft (27) which is arranged on the forward extending frame (5) and extends along the width direction of the forward extending frame (5), and the soil planing rotating shaft (27) is in transmission connection with the prime motor (4); a plurality of planing rods (28) are annularly and uniformly distributed on the circumferential surface of the planing rotating shaft (27), the planing rods (28) extend along the radial direction of the planing rotating shaft (27), and planing hooks (29) are arranged at the end parts of the planing rods (28).
4. The soil disinfecting and remediating combination treatment device of claim 3, wherein: the prime motor (4) is a diesel engine.
5. The soil disinfecting and remediating combination treatment device of claim 4, wherein: the top frame (2) is also provided with a seat (30) and an operating platform (31).
6. The soil disinfecting and remediating combination treatment device of claim 5, wherein: the side wall of the frame (1) is also provided with a vertical ladder (32), and the ladder (32) extends to the top frame (2).
7. The soil disinfecting and remediating combination treatment device of claim 6, wherein: the running mechanism (3) is a crawler-type running mechanism.
CN202011373052.5A 2020-11-30 2020-11-30 Soil disinfection restores combination processing apparatus Active CN112620328B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011373052.5A CN112620328B (en) 2020-11-30 2020-11-30 Soil disinfection restores combination processing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011373052.5A CN112620328B (en) 2020-11-30 2020-11-30 Soil disinfection restores combination processing apparatus

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CN112620328A CN112620328A (en) 2021-04-09
CN112620328B true CN112620328B (en) 2022-10-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399442B (en) * 2021-05-31 2022-07-22 中国农业大学 Self-propelled plasma soil treatment device
CN117680366B (en) * 2024-02-01 2024-04-12 山西晋环科源环境资源科技有限公司 Screening machine for soil remediation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2054122C (en) * 1991-10-24 1996-11-05 William Taciuk Decontamination of soil containing chlorinated aromatics
CN107548592A (en) * 2017-10-18 2018-01-09 广州公孙策信息科技有限公司 A kind of efficiently soil disinfection and fertilizer apparatus
CN109287342A (en) * 2018-09-29 2019-02-01 屈超松 A kind of micro moving soil steam sterilization system
CN111530907B (en) * 2020-05-08 2020-11-10 广州鲲龙生物科技有限公司 Hand propelled pollutes soil environmental protection and administers device that resets

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