CN116678671B - Soil pollution site investigation detection device - Google Patents
Soil pollution site investigation detection device Download PDFInfo
- Publication number
- CN116678671B CN116678671B CN202310966919.5A CN202310966919A CN116678671B CN 116678671 B CN116678671 B CN 116678671B CN 202310966919 A CN202310966919 A CN 202310966919A CN 116678671 B CN116678671 B CN 116678671B
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- Prior art keywords
- fixed
- blanking
- sleeve pipe
- plectane
- piece
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000011835 investigation Methods 0.000 title claims abstract description 14
- 238000003900 soil pollution Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 52
- 238000005553 drilling Methods 0.000 claims description 23
- 210000003437 trachea Anatomy 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 41
- 238000000034 method Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005527 soil sampling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of soil detection devices, in particular to a soil pollution site investigation detection device. Including the sleeve pipe with peg graft at the intraductal sampling component of sleeve, sampling component is including being located the sleeve pipe below and boring the piece with the sleeve pipe is endocentric to be provided with the plectane, the intraductal a plurality of blanking discs that are provided with of sleeve pipe between plectane and the boring the piece, bore and all be connected through lifting unit between blanking disc and the below blanking disc, two adjacent blanking discs and between the blanking disc and the plectane of the top, lifting unit outside cover is equipped with the spring, the spring middle part outer fringe is fixed with a plurality of connecting rods, intraductal concentric fixed disk that is provided with of sleeve pipe of plectane top. The invention can realize effective vertical stratified sampling, can sample soil with different depths at the same time, and has high sampling efficiency.
Description
Technical Field
The invention relates to the field of soil detection devices, in particular to a soil pollution site investigation detection device.
Background
Soil sampling of the soil contaminated site is required during the investigation of the soil contaminated site. Soil sampling refers to a method of collecting a soil sample, including the layout of the sampling and sampling techniques. This is typically accomplished by soil samplers, which are of many kinds.
At present, a conventionally used soil sampler needs to be vertically inserted into soil with a sampling head, an earth auger is taken out after the sampling head is extruded and rotated to a certain soil depth, and a soil sample in the earth auger is collected for subsequent analysis. The profile characteristics of the soil sample collected by the conventionally used soil sampler are difficult to distinguish, sampling is time-consuming and labor-consuming, and the samples are manually collected after sampling, so that the problems of soil sample mixing, insufficient sampling and the like are easily caused, and the accuracy of the test analysis of the soil sample is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of a soil pollution site investigation and detection device capable of improving the efficiency and accuracy of stratified sampling of soil.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the utility model provides a soil pollution place investigation detection device, including the sleeve pipe and peg graft at the intraductal sampling component of sleeve, sampling component is including being located the sleeve pipe below and boring the piece with the sleeve pipe is concentric, boring a lower part for the toper, the sleeve pipe lower extreme is tight to boring a upper end, bore intraductal being provided with the plectane of cover of piece top, the plectane and boring intraductal a plurality of blanking discs that are provided with of cover between the piece, a plurality of blanking grooves have all been seted up to blanking disc upper end, it is connected through lifting unit to bore between piece and the blanking disc of below, between two adjacent blanking discs, and all be connected through lifting unit between the blanking disc of top and the plectane, lifting unit outside cover is equipped with the spring, both ends are to spring middle part transitional diameter increase gradually, spring middle part outer fringe is fixed with a plurality of connecting rods, the intraductal concentric fixed disk of being provided with of cover of plectane top, set up the gas pocket on the fixed disk, the fixed disk is connected through drive arrangement with the plectane, drive arrangement can drive plectane, the blanking disc, and boring a rotation, it runs through from top to bottom the plectane, all be fixed with down the trachea, down the trachea down all runs through the upper and down the mouth has the air vent down the air vent.
Specifically, the sleeve outer fringe is parallel and level with bore an upper portion outer fringe, bores a plurality of blanking grooves have been seted up to boring a upper end, bores the blanking groove of boring a upper end and bores the inside intercommunication of a.
Specifically, lifting unit includes the uide bushing, and uide bushing internal fixation has first electric putter, and the uide bushing sliding connection of first electric putter below has the movable rod, and first electric putter lower extreme and movable rod fixed connection, uide bushing are square cover, and the movable rod is square pole, and the recess is seted up to the movable rod upper end, and first electric putter lower extreme is fixed in the recess. The movable rod of the lifting assembly at the lowest part is fixedly connected with the upper end of the drilling part, the guide sleeve of the lifting assembly at the lowest part is fixedly connected with the lower end of the blanking disc at the lowest part, the guide sleeve of the lifting assembly between two adjacent blanking discs is fixedly connected with the lower end of the blanking disc at the upper part, the movable rod of the lifting assembly between two adjacent blanking discs is fixedly connected with the upper end of the blanking disc at the lower part, the movable rod of the lifting assembly at the highest part is fixedly connected with the upper end of the blanking disc at the highest part, and the guide sleeve of the lifting assembly at the highest part is fixedly connected with the lower end of the circular plate.
Specifically, the axial direction of the connecting rod is parallel to the radial direction of the sleeve.
Specifically, locating component includes a plurality of fixed blocks with fixed disk sliding connection, and fixed disk internal fixation has second electric putter, second electric putter one end and fixed disk fixed connection, second electric putter other end and fixed block fixed connection, and a plurality of fixed blocks set up according to the axle center circumference equipartition of fixed disk.
Specifically, the driving device comprises a pressing rod concentrically and rotatably connected to the fixed disc, the pressing rod penetrates through the fixed disc, and the lower end of the pressing rod is fixedly connected with the upper end of the circular plate. The upper end of the circular plate is fixed with a motor, the output shaft of the motor is fixed with a first bevel gear, the compression bar is fixed with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the spring is compressed through the lifting assembly, the plurality of connecting rods on the spring can move towards the outer side direction of the blanking disc after the spring is compressed, so that the connecting rods can be inserted into soil outside the spring, the connecting rods inserted into the soil can crush the soil into small particles and scrape the small particles in the process of rotating the spring, the small particles can enter the blanking disc and the drilling piece, effective vertical layered sampling can be realized, and the soil with different depths can be sampled at the same time, so that the sampling efficiency is high.
2. The space between two adjacent blanking trays, the space between the drilling part and the blanking tray at the lowest part, and the space between the circular plate and the blanking tray at the highest part form a sampling space, the lifting component enables the spring to be compressed in the process, the sampling space is reduced, air in the sampling space can be discharged through the lower air pipe, the upper air pipe and the air holes in the sampling space in the process of reducing the sampling space, when the lifting component enables the reducing sampling space to be reduced, the check valve is closed, negative pressure is generated in the sampling space, and broken soil scraped by the connecting rod, moisture impurities and the like can be rapidly sucked into the sampling space under the action of the negative pressure in the sampling space, so that the sampling quality can be ensured.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic view of the drill member mated with the casing.
Fig. 3 is an enlarged view of area a in fig. 2.
Fig. 4 is a split schematic view of a lifting assembly.
FIG. 5 is a schematic diagram of a sampling assembly.
Fig. 6 is a schematic view of the area B in fig. 5.
Fig. 7 is a front view of the spring.
Fig. 8 is a perspective view of a spring.
The names of the parts in the drawings are as follows:
1. a compression bar; 2. a sleeve; 3. drilling; 4. a blanking disc; 5. a first electric push rod; 6. a spring; 7. a connecting rod; 8. a movable rod; 9. a guide sleeve; 10. an upper air pipe; 11. a second electric push rod; 12. a lower air pipe; 13. a groove; 14. a fixed plate; 15. a fixed block; 16. a first bevel gear; 17. a second bevel gear; 18. a motor; 19. a circular plate; 20. air holes; 21. and a material dropping groove.
Detailed Description
As shown in fig. 1-8, a soil pollution site investigation and detection device comprises a sleeve 2 and a sampling assembly inserted in the sleeve 2.
The sampling assembly comprises a drill member 3 positioned below the casing 2 and concentric with the casing 2, the lower end of the casing 2 being in abutment with the upper end of the drill member 3. The outer edge of the sleeve 2 is flush with the outer edge of the upper part of the drilling piece 3, the lower part of the drilling piece 3 is conical, and the drilling piece 3 is of a hollow structure. The upper end of the drilling part 3 is provided with a plurality of blanking grooves 21, and the blanking grooves 21 at the upper end of the drilling part 3 are communicated with the inside of the drilling part 3.
A circular plate 19 is concentrically arranged in the casing 2 above the drill 3. A plurality of blanking discs 4 are arranged in the sleeve 2 between the circular plate 19 and the drilling part 3, and a plurality of blanking grooves 21 are formed in the upper ends of the blanking discs 4. The drill 3 is connected with the lowest blanking disc 4, the two adjacent blanking discs 4 and the uppermost blanking disc 4 and the circular plate 19 through lifting components.
The space between two adjacent blanking discs 4, the space between the drill 3 and the lowermost blanking disc 4, and the space between the circular plate 19 and the uppermost blanking disc 4 constitute a sampling space.
The lifting assembly comprises a guide sleeve 9. The guide sleeve 9 is internally fixed with a first electric push rod 5, the guide sleeve 9 below the first electric push rod 5 is connected with a movable rod 8 in a sliding way, and the lower end of the first electric push rod 5 is fixedly connected with the movable rod 8. The guide sleeve 9 is a square sleeve. The movable rod 8 is a square rod. The upper end of the movable rod 8 is provided with a groove 13, and the lower end of the first electric push rod 5 is fixed in the groove 13.
The movable rod 8 of the lowest lifting assembly is fixedly connected with the upper end of the drilling part 3, and the guide sleeve 9 of the lowest lifting assembly is fixedly connected with the lower end of the lowest blanking disc 4.
The guide sleeve 9 of the lifting assembly between two adjacent blanking plates 4 is fixedly connected with the lower end of the blanking plate 4 above, and the movable rod 8 of the lifting assembly between two adjacent blanking plates 4 is fixedly connected with the upper end of the blanking plate 4 below.
The movable rod 8 of the uppermost lifting assembly is fixedly connected with the upper end of the uppermost blanking plate 4, and the guide sleeve 9 of the uppermost lifting assembly is fixedly connected with the lower end of the circular plate 19.
The outside cover of lifting unit is equipped with spring 6, and the diameter of transition between spring 6 upper and lower both ends to spring 6 middle part increases gradually. A plurality of connecting rods 7 are fixed on the outer edge of the middle part of the spring 6. The axial direction of the connecting rod 7 is parallel to the radial direction of the sleeve 2.
The lower end of the lowest spring 6 is fixedly connected with the upper end of the drilling part 3, and the upper end of the lowest spring 6 is fixedly connected with the lower end of the lowest blanking disc 4.
The upper end of the spring 6 between two adjacent blanking plates 4 is fixedly connected with the lower end of the blanking plate 4 above, and the lower end of the spring 6 between two adjacent blanking plates 4 is fixedly connected with the upper end of the blanking plate 4 below.
The lower end of the uppermost spring 6 is fixedly connected with the upper end of the uppermost blanking plate 4, and the upper end of the uppermost spring 6 is fixedly connected with the lower end of the circular plate 19.
A fixed disk 14 is concentrically arranged in the sleeve 2 above the circular plate 19, an air hole 20 is formed in the fixed disk 14, and a positioning component is arranged on the fixed disk 14.
The positioning assembly comprises a plurality of fixed blocks 15 which are in sliding connection with the fixed disc 14, a second electric push rod 11 is fixed in the fixed disc 14, one end of the second electric push rod 11 is fixedly connected with the fixed disc 14, the other end of the second electric push rod 11 is fixedly connected with the fixed blocks 15, and the fixed blocks 15 are uniformly distributed according to the axis circumference of the fixed disc 14.
The fixed disc 14 is connected to the circular plate 19 by a driving device which is capable of driving the circular plate 19, the spring 6, the blanking disc 4 and the drill 3 to rotate.
The driving device comprises a pressing rod 1 which is concentrically and rotatably connected to a fixed disc 14, the pressing rod 1 penetrates through the fixed disc 14, and the lower end of the pressing rod 1 is fixedly connected with the upper end of a circular plate 19. A motor 18 is fixed at the upper end of the circular plate 19, a first bevel gear 16 is fixed on an output shaft of the motor 18, a second bevel gear 17 is fixed on the compression bar 1, and the first bevel gear 16 is meshed with the second bevel gear 17.
An upper air pipe 10 is fixed to the circular plate 19, and the upper air pipe 10 vertically penetrates the circular plate 19. The blanking disc 4 is fixedly provided with a lower air pipe 12, and the lower air pipe 12 vertically penetrates through the blanking disc 4. The lower end of the upper air pipe 10, the lower end of the lower air pipe 12 and the air holes 20 are respectively provided with one-way valves.
During sampling, the sampling assembly is installed in the sleeve 2, the lower end of the sleeve 2 abuts against the upper end of the drilling piece 3, and the second electric push rod 11 is started, so that the fixing block 15 abuts against the inner edge of the sleeve 2.
The cannula 2 and sampling assembly is then inserted into the soil and the cannula 2 is withdrawn. And then the soil near the sampling assembly is tamped, so that the soil can be tightly contacted with the outer edge of the fixed disc 14, the outer edge of the circular plate 19 and the outer edge of the blanking disc 4. The second electric push rod 11 is started to enable the fixing block 15 to be pricked into the soil, and then the sampling assembly is fixed in the soil.
So that the plurality of first electric push rods 5 shrink, in the process of the shrinkage of the first electric push rods 5, the drilling part 3 and the blanking disc 4 ascend in soil, the volume of the sampling space becomes smaller, and the spring 6 is compressed. The connecting rods 7 in the middle of the spring 6 gradually move towards the outer side direction of the sampling space in the process that the spring 6 is compressed, so that the connecting rods 7 are inserted into soil outside the sampling space.
In the process of reducing the volume of the sampling space, the check valve is opened, and the gas in the sampling space is discharged through the lower gas pipe 12, the upper gas pipe 10 and the gas hole 20.
The motor 18 is started, the motor 18 enables the circular plate 19, the spring 6, the connecting rod 7, the blanking plate 4 and the drilling part 3 to rotate through the first bevel gear 16, the second bevel gear 17 and the pressing rod 1, and the rotating connecting rod 7 can crush soil into small particles and scrape the soil. Small particle soil scraped off by the connecting rod 7 above the blanking plate 4 can be blocked by the blanking plate 4. Small particle soil scraped off by the connecting rod 7 above the drill member 3 can be blocked by the drill member 3. The small particle soil blocked by the blanking plate 4 can enter the blanking plate 4 through a blanking groove 21 at the upper end of the blanking plate 4. Small granular soil blocked by the boring bar 3 can enter the boring bar 3 through the drop chute 21 at the upper end of the boring bar 3.
Then the plurality of first electric push rods 5 are extended, the distance between the circular plate 19 and the uppermost blanking plate 4 is increased, the distance between two adjacent blanking plates 4 is increased, the distance between the lowermost blanking plate 4 and the drilling piece 3 is increased, and the sampling space is gradually reduced. In the process of gradually reducing the sampling space, the volume of the sampling space is increased. The one-way valve closes during an increase in the volume of the sampling space. Negative pressure is generated in the sampling space in the process of increasing the volume of the sampling space, and under the action of the negative pressure in the sampling space, small-particle soil crushed and scraped by the connecting rod 7, moisture impurities in the soil and the like can be rapidly sucked into the sampling space. The blanking tray 4 can collect small granular soil and moisture impurities in the soil in a sampling space above the small granular soil. Small granular soil in the sampling space between the drill 3 and the lowermost blanking tray 4, moisture impurities in the soil, and the like can be collected by the drill 3, so that the amount of soil sampling can be ensured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a soil pollution place investigation detection device, including sleeve pipe (2) and peg graft the sampling component in sleeve pipe (2), a serial communication port, sampling component is including being located sleeve pipe (2) below and boring piece (3) with sleeve pipe (2) concentricity, sleeve pipe (2) lower extreme tightly supports and bores piece (3) upper end, bore piece (3) top sleeve pipe (2) in-core be provided with plectane (19), be provided with a plurality of blanking dish (4) in sleeve pipe (2) between plectane (19) and boring piece (3), a plurality of blanking groove (21) have all been seted up to blanking dish (4) upper end, between boring piece (3) and the blanking dish (4) of below, and all be connected through the elevating component between blanking dish (4) and plectane (19) of top, the outside cover of elevating component is equipped with spring (6), both ends gradually increase to spring (6) middle part transitional diameter, the middle part outer fringe of spring (6) is fixed with a plurality of connecting rods (7), sleeve pipe (2) in plectane (19) top plectane (19) are provided with a plurality of blanking dish (21), blanking dish (14) and fixed disk (14) are connected with (14) through fixed disk (14) on fixed device, fixed disk (14) and fixed disk (14) fixed device, fixed device can be set up through setting up on fixed disk (14) and fixed device (14) on fixed disk (14 Spring (6), blanking dish (4) and brill spare (3) rotate, are fixed with on plectane (19) and go up trachea (10), go up trachea (10) and run through plectane (19) from top to bottom, all be fixed with down trachea (12) on blanking dish (4), run through blanking dish (4) from top to bottom down trachea (12), go up trachea (10) lower extreme, down trachea (12) lower extreme and all install the check valve in gas pocket (20).
2. The soil pollution site investigation and detection device according to claim 1, wherein the outer edge of the sleeve (2) is flush with the outer edge of the upper part of the drilling piece (3), the lower part of the drilling piece (3) is conical, the drilling piece (3) is of a hollow structure, a plurality of blanking grooves (21) are formed in the upper end of the drilling piece (3), and the blanking grooves (21) in the upper end of the drilling piece (3) are communicated with the inside of the drilling piece (3).
3. The soil pollution site investigation detection device according to claim 1, wherein the lifting assembly comprises a guide sleeve (9), a first electric push rod (5) is fixed in the guide sleeve (9), a movable rod (8) is connected in a sliding manner in the guide sleeve (9) below the first electric push rod (5), the lower end of the first electric push rod (5) is fixedly connected with the movable rod (8), the guide sleeve (9) is a square sleeve, the movable rod (8) is a square rod, a groove (13) is formed in the upper end of the movable rod (8), and the lower end of the first electric push rod (5) is fixed in the groove (13).
4. A soil pollution site investigation and detection device according to claim 1, characterized in that the axial direction of the connecting rod (7) is parallel to the radial direction of the casing (2).
5. The soil pollution site investigation and detection device according to claim 1, wherein the positioning assembly comprises a plurality of fixed blocks (15) which are slidably connected with the fixed disc (14), the second electric push rod (11) is fixed in the fixed disc (14), one end of the second electric push rod (11) is fixedly connected with the fixed disc (14), the other end of the second electric push rod (11) is fixedly connected with the fixed blocks (15), and the fixed blocks (15) are uniformly distributed according to the axis circumference of the fixed disc (14).
6. The soil pollution site investigation and detection device according to claim 1, wherein the driving device comprises a pressing rod (1) concentrically and rotatably connected to the fixed disc (14), the pressing rod (1) penetrates through the fixed disc (14), the lower end of the pressing rod (1) is fixedly connected with the upper end of a circular plate (19), a motor (18) is fixed at the upper end of the circular plate (19), a first bevel gear (16) is fixed on an output shaft of the motor (18), a second bevel gear (17) is fixed on the pressing rod (1), and the first bevel gear (16) is meshed with the second bevel gear (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310966919.5A CN116678671B (en) | 2023-08-03 | 2023-08-03 | Soil pollution site investigation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310966919.5A CN116678671B (en) | 2023-08-03 | 2023-08-03 | Soil pollution site investigation detection device |
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| Publication Number | Publication Date |
|---|---|
| CN116678671A CN116678671A (en) | 2023-09-01 |
| CN116678671B true CN116678671B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310966919.5A Active CN116678671B (en) | 2023-08-03 | 2023-08-03 | Soil pollution site investigation detection device |
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| Country | Link |
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| CN (1) | CN116678671B (en) |
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| KR20150039333A (en) * | 2013-10-02 | 2015-04-10 | 대한민국(관리부서:행정안전부 국립과학수사연구원장) | A Soil Sample Collecting Device For Forensic Investigation |
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| CN112577773A (en) * | 2021-01-15 | 2021-03-30 | 上海硕浙生物科技有限公司 | Soil sampling device |
| CN113029641A (en) * | 2021-01-27 | 2021-06-25 | 杨才军 | Layered interception type soil pollution prevention and sampling device |
| CN113551938A (en) * | 2021-09-17 | 2021-10-26 | 南通诚友信息技术有限公司 | Soil sampling and detecting equipment for urban environment-friendly engineering |
| WO2022041782A1 (en) * | 2020-08-28 | 2022-03-03 | 南京汉尔斯生物科技有限公司 | Soil sampling apparatus used for detecting land pollution, and method for use thereof |
| CN218036825U (en) * | 2022-08-19 | 2022-12-13 | 杭州铭远工程技术咨询有限公司 | Soil pollution repair engineering's soil detection device |
| CN116046451A (en) * | 2023-02-24 | 2023-05-02 | 山东省土壤污染防治中心 | Sampling device for soil pollution control |
-
2023
- 2023-08-03 CN CN202310966919.5A patent/CN116678671B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150039333A (en) * | 2013-10-02 | 2015-04-10 | 대한민국(관리부서:행정안전부 국립과학수사연구원장) | A Soil Sample Collecting Device For Forensic Investigation |
| CN110672160A (en) * | 2019-11-19 | 2020-01-10 | 北京享云智汇科技有限公司 | Soil pollution degree monitoring facilities |
| WO2022041782A1 (en) * | 2020-08-28 | 2022-03-03 | 南京汉尔斯生物科技有限公司 | Soil sampling apparatus used for detecting land pollution, and method for use thereof |
| CN112577773A (en) * | 2021-01-15 | 2021-03-30 | 上海硕浙生物科技有限公司 | Soil sampling device |
| CN113029641A (en) * | 2021-01-27 | 2021-06-25 | 杨才军 | Layered interception type soil pollution prevention and sampling device |
| CN113551938A (en) * | 2021-09-17 | 2021-10-26 | 南通诚友信息技术有限公司 | Soil sampling and detecting equipment for urban environment-friendly engineering |
| CN218036825U (en) * | 2022-08-19 | 2022-12-13 | 杭州铭远工程技术咨询有限公司 | Soil pollution repair engineering's soil detection device |
| CN116046451A (en) * | 2023-02-24 | 2023-05-02 | 山东省土壤污染防治中心 | Sampling device for soil pollution control |
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| CN116678671A (en) | 2023-09-01 |
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