CN113341045A - Sample pretreatment equipment for soil monitoring - Google Patents
Sample pretreatment equipment for soil monitoring Download PDFInfo
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- CN113341045A CN113341045A CN202110683678.4A CN202110683678A CN113341045A CN 113341045 A CN113341045 A CN 113341045A CN 202110683678 A CN202110683678 A CN 202110683678A CN 113341045 A CN113341045 A CN 113341045A
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- soil
- conveyer belt
- cooling
- driving gear
- roller
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- 239000002689 soil Substances 0.000 title claims abstract description 50
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000012216 screening Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000000638 solvent extraction Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 3
- 230000002337 anti-port Effects 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005527 soil sampling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000944 Soxhlet extraction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000005120 petroleum cracking Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 231100000378 teratogenic Toxicity 0.000 description 1
- 230000003390 teratogenic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N2030/062—Preparation extracting sample from raw material
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- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses sample pretreatment equipment for soil monitoring in the technical field of soil monitoring, which comprises a base, wherein the upper end of the base is provided with a cooling and screening device, a fixed box body, a rapid solvent extraction instrument and a gas chromatography-mass spectrometer, and the cooling and screening device, the fixed box body, the rapid solvent extraction instrument and the gas chromatography-mass spectrometer are arranged in a straight line; the lower terminal surface of base is provided with the gyro wheel, one side of base is provided with the mechanism of fetching earth, the mechanism of fetching earth is including the driving gear, driven gear, change the roller, dial board and conveyer belt, the conveyer belt is located one side of changeing the roller, and the conveyer belt is the slope setting, the lower extreme position of conveyer belt and change fixedly connected with fixed plate between the roller, can make things convenient for more and continuous take a sample and the conveying adds into cooling sieve device to soil, can improve the treatment effeciency before the sample detection of soil greatly, and the process stability more of sample, better satisfy staff's operation requirement.
Description
Technical Field
The invention relates to the technical field of soil monitoring, in particular to sample pretreatment equipment for soil monitoring.
Background
Polycyclic Aromatic Hydrocarbons (PAHs) are a class of persistent organic pollutants with three causative effects (carcinogenic, teratogenic, and genogenic mutation) that are found primarily in the atmosphere, water, and soil. Polycyclic aromatic hydrocarbons are produced by incomplete combustion of organic matters and fossil fuels, and cause the pollution of polycyclic aromatic hydrocarbons in the world today mainly comprises four reasons: (1) smoke generated by household and living stoves, industrial boilers and the like; (2) various industrial processes that produce and use tar, such as coking, petroleum cracking, coal tar refining, asphalt paving, and the like; (3) various artificial open-air combustion and fire hazards; (4) various motor vehicles and internal combustion engines exhaust.
For example, chinese patent application No. CN201720779825.7 is a portable device for rapidly detecting polycyclic aromatic hydrocarbons in soil remediation, which specifically comprises: the device comprises a soil sampling device, a cooling screening device, a dry-humidity sensor, at least one Soxhlet extractor, a rapid solvent extraction instrument, a gas chromatography-mass spectrometer and a base, wherein the cooling screening device comprises a screening funnel, a crushing device, a cooling air-jet loop and a soil storage device, and the screening funnel is provided with a screening rake at the top of a detachable vibrating screen; if the Soxhlet extractor is connected to the base between the cooling screening device and the rapid solvent extractor through a fixed box body; the dry humidity sensor, the rapid solvent extraction instrument, the gas chromatography-mass spectrometer and the crushing device are all connected with a control panel. The detection device integrates soil pre-sampling, automatic treatment of sampled soil samples and sequential Soxhlet extraction for soil polycyclic aromatic hydrocarbon detection.
The existing sample pretreatment equipment for soil monitoring is difficult to continuously sample and convey soil in the sampling process, so that the treatment efficiency of the device is difficult to effectively improve, the operation is not stable enough, and the defects exist in use.
Disclosure of Invention
The invention aims to provide a sample pretreatment device for soil monitoring, which aims to solve the problems that continuous sampling and conveying of soil are difficult in the sampling process, the treatment efficiency of a device is difficult to effectively improve, and the operation is not stable.
In order to achieve the purpose, the invention provides the following technical scheme: the device comprises a base, wherein a cooling and screening device, a fixed box body, a rapid solvent extraction instrument and a gas chromatography-mass spectrometer are arranged at the upper end of the base in a straight line;
the lower terminal surface of base is provided with the gyro wheel, one side of base is provided with the mechanism of fetching earth, the mechanism of fetching earth is including driving gear, driven gear, commentaries on classics roller, dials board and conveyer belt, the conveyer belt is located one side of commentaries on classics roller, and the conveyer belt is the slope setting, the lower extreme position of conveyer belt and commentaries on classics between the roller fixedly connected with fixed plate, dial board fixed connection at the surface of commentaries on classics roller, driven gear is located the front end surface of commentaries on classics roller, the driving gear is located the front end surface of conveyer belt, the front end fixedly connected with motor of driving gear, the surface of conveyer belt has been seted up a plurality of and has been held the groove, and adjacent two hold the distance between the groove the same.
Preferably, the driving gear and the driven gear are meshed with each other, and the shifting plate is in contact with the conveyor belt.
Preferably, a driving roller is arranged in the conveying belt and is positioned at the lower part of the conveying belt.
Preferably, the driving gear is fixedly connected with the driving roller, and a hinge is arranged between the upper end of the conveying belt and the cooling and screening device.
Preferably, the lower end position of one side of the cooling and screening device is hinged with an air cylinder, and the upper end position of the air cylinder is hinged with the conveying belt.
Preferably, the driving gear and the driven gear are not in contact with the fixed plate, and the rotating roller is located at the lower end of one side of the conveying belt.
Preferably, starter motor, motor drive driving gear rotate, and driving gear and driven gear mesh, and then can drive driven gear and rotate, and the conveyer belt rotates simultaneously with changeing the roller, and the driving roll rotates with changeing roller antiport, dials the soil that the board shovel falls and can be stirred the inside that holds the groove, later conveys the upper end position of conveyer belt with soil through the conveyer belt, falls into the inside of cooling screening device at last.
Preferably, the soil falls into a cooling screening device for treatment, a Soxhlet extractor is connected to a base between the cooling screening device and a rapid solvent extraction instrument through a fixed box body, a dry humidity sensor, the rapid solvent extraction instrument and a gas chromatography-mass spectrometer are connected with a control panel, and finally temperature and humidity data, crushing related voltage or control data, extraction time and temperature parameters of the repaired polycyclic aromatic hydrocarbon soil, and the chromatogram and content of the polycyclic aromatic hydrocarbon in each group of soil detected by the gas chromatography-mass spectrometer are displayed on a display device of the control panel.
Compared with the prior art, the invention has the beneficial effects that: the soil sampling device comprises a starting motor, a motor drives a driving gear to rotate, the driving gear is meshed with a driven gear, and then the driven gear can be driven to rotate, a conveyor belt and a rotating roller rotate simultaneously, the driving roller and the rotating roller rotate reversely, soil shoveled by a shifting plate can be stirred into a containing groove, then the soil is conveyed to the upper end position of the conveyor belt through the conveyor belt, and finally the soil falls into a cooling and screening device.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the combination of the driven gear and the rotating roller of the present invention;
FIG. 3 is a combined view of a conveyor belt and a trough according to the invention;
FIG. 4 is a combined view of the tank and motor of the present invention;
fig. 5 is a combined view of the conveyor belt and the drive roll of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a roller; 3. a cooling and screening device; 4. a hinge; 5. a cylinder; 6. a conveyor belt; 7. a soil taking mechanism; 8. fixing the box body; 9. a rapid solvent extractor; 10. a gas chromatograph-mass spectrometer; 11. a driving gear; 12. a driven gear; 13. rotating the roller; 14. a fixing plate; 15. dialing a plate; 16. a containing groove; 17. a motor; 18. and a driving roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution of a sample pretreatment apparatus for soil monitoring: the pretreatment equipment for the sample for soil monitoring comprises a base 1, wherein a cooling and screening device 3, a fixed box body 8, a rapid solvent extraction instrument 9 and a gas chromatography-mass spectrometer 10 are arranged at the upper end of the base 1, and the cooling and screening device 3, the fixed box body 8, the rapid solvent extraction instrument 9 and the gas chromatography-mass spectrometer 10 are arranged in a line;
the lower terminal surface of base 1 is provided with gyro wheel 2, one side of base 1 is provided with borrowing mechanism 7, borrowing mechanism 7 is including driving gear 11, driven gear 12, commentaries on classics roller 13, dial board 15 and conveyer belt 6, conveyer belt 6 is located one side of commentaries on classics roller 13, and conveyer belt 6 is the slope setting, fixedly connected with fixed plate 14 between the lower extreme position of conveyer belt 6 and the commentaries on classics roller 13, dial 15 fixed connection of board at the surface of commentaries on classics roller 13, driven gear 12 is located the front end surface of commentaries on classics roller 13, driving gear 11 is located the front end surface of conveyer belt 6, the front end fixedly connected with motor 17 of driving gear 11, the surface of conveyer belt 6 has been seted up a plurality of and has been held groove 16, and adjacent two hold the distance between the groove 16 the same.
Intermeshing between driving gear 11 and the driven gear 12, dial and contact between board 15 and the conveyer belt 6, the inside of conveyer belt 6 is provided with drive roll 18, drive roll 18 is located the lower part of conveyer belt 6, fixed connection between driving gear 11 and the drive roll 18, be provided with hinge 4 between the upper end of conveyer belt 6 and the cooling screening device 3, one side lower extreme position of cooling screening device 3 articulates there is cylinder 5, the upper end position of cylinder 5 is articulated with conveyer belt 6, driving gear 11 and driven gear 12 all do not contact with fixed plate 14, it is located one side lower extreme position of conveyer belt 6 to change roller 13.
Starting a motor 17, the motor 17 drives a driving gear 11 to rotate, the driving gear 11 is meshed with a driven gear 12, and then the driven gear 12 can be driven to rotate, a conveyor belt 6 and a rotating roller 13 rotate simultaneously, a driving roller 18 and the rotating roller 13 rotate reversely, soil shoveled by a shifting plate 15 can be shifted to the inside of a containing groove 16, then the soil is conveyed to the upper end position of the conveyor belt 6 through the conveyor belt 6 and finally falls into the cooling and screening device 3, the soil falls into the cooling and screening device 3 to be processed, a Soxhlet extractor is connected on a base between the cooling and screening device 3 and a rapid solvent extractor 9 through a fixed box body 8, a dry humidity sensor, the rapid solvent extractor 9 and a gas chromatography-mass spectrometer 10 are all connected with a control panel, the control panel 10 is used for controlling and displaying the on-off state of equipment connected with the control panel and the digital signals of the equipment connected with the control panel, the overall coordination and control capability of the equipment is improved, data and signals among the equipment are connected and transmitted through one of wire, wireless, infrared or Bluetooth, and finally temperature and humidity data, crushing related voltage or control data, extraction time and temperature parameters, and parameters such as the chromatogram and the content of the polycyclic aromatic hydrocarbon in each group of soil detected by a gas chromatography-mass spectrometer are displayed on a display device of a control panel.
The soil sampling and conveying device is characterized in that a motor 17 is started, the motor 17 drives a driving gear 11 to rotate, the driving gear 11 is meshed with a driven gear 12, the driven gear 12 can be driven to rotate, a conveying belt 6 and a rotating roller 13 rotate simultaneously, a driving roller 18 and the rotating roller 13 rotate reversely, soil shoveled by a shifting plate 15 can be shifted into a containing groove 16, then the soil is conveyed to the upper end position of the conveying belt 6 through the conveying belt 6 and finally falls into the cooling and screening device 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a sample pretreatment equipment for soil monitoring, includes base (1), its characterized in that: the upper end of the base (1) is provided with a cooling screening device (3), a fixed box body (8), a rapid solvent extraction instrument (9) and a gas chromatography-mass spectrometer (10), and the cooling screening device (3), the fixed box body (8), the rapid solvent extraction instrument (9) and the gas chromatography-mass spectrometer (10) are arranged in a line;
the soil taking device is characterized in that rollers (2) are arranged on the lower end face of the base (1), a soil taking mechanism (7) is arranged on one side of the base (1), the soil taking mechanism (7) comprises a driving gear (11), a driven gear (12), a rotating roller (13), a shifting plate (15) and a conveyor belt (6), the conveyor belt (6) is located on one side of the rotating roller (13), the conveyor belt (6) is obliquely arranged, a fixing plate (14) is fixedly connected between the lower end position of the conveyor belt (6) and the rotating roller (13), the shifting plate (15) is fixedly connected to the outer surface of the rotating roller (13), the driven gear (12) is located on the outer surface of the front end of the rotating roller (13), the driving gear (11) is located on the outer surface of the front end of the conveyor belt (6), a motor (17) is fixedly connected to the front end of the driving gear (11), a plurality of containing grooves (16) are formed in the outer surface of the conveyor belt (6), the distance between two adjacent containing grooves (16) is the same.
2. The sample pretreatment apparatus for soil monitoring according to claim 1, wherein: the driving gear (11) is meshed with the driven gear (12), and the shifting plate (15) is in contact with the conveyor belt (6).
3. The sample pretreatment apparatus for soil monitoring according to claim 1, wherein: the inside of conveyer belt (6) is provided with drive roll (18), drive roll (18) are located the lower part of conveyer belt (6).
4. The sample pretreatment apparatus for soil monitoring according to claim 3, wherein: the driving gear (11) is fixedly connected with the driving roller (18), and a hinge (4) is arranged between the upper end of the conveyor belt (6) and the cooling and screening device (3).
5. The sample pretreatment apparatus for soil monitoring according to claim 1, wherein: the lower end position of one side of the cooling and screening device (3) is hinged with an air cylinder (5), and the upper end position of the air cylinder (5) is hinged with the conveyor belt (6).
6. The sample pretreatment apparatus for soil monitoring according to claim 1, wherein: the driving gear (11) and the driven gear (12) are not in contact with the fixing plate (14), and the rotating roller (13) is located at the lower end of one side of the conveying belt (6).
7. The sample pretreatment apparatus for soil monitoring according to claim 6, wherein: starter motor (17), motor (17) drive driving gear (11) and rotate, driving gear (11) and driven gear (12) meshing, and then can drive driven gear (12) and rotate, conveyer belt (6) rotate with commentaries on classics roller (13) simultaneously, drive roll (18) and commentaries on classics roller (13) antiport, dial the inside that board (15) shoveled can be stirred to holding groove (16), later convey the upper end position of conveyer belt (6) with soil through conveyer belt (6), fall into the inside of cooling screening device (3) at last.
8. The sample pretreatment apparatus for soil monitoring according to claim 7, wherein: still include the soxhlet extractor, the soil drops into and handles in cooling screening plant (3), the soxhlet extractor is connected on the base between cooling screening plant (3) and quick solvent extraction appearance (9) through a fixed box (8), with dry humidity transducer, quick solvent extraction appearance (9), gas chromatography-mass spectrometer (10) all connect control panel, finally show the humiture data of polycyclic aromatic hydrocarbon soil after the restoration on control panel's display device, smash relevant voltage or control data, the time of extraction, temperature parameter, the chromatogram of polycyclic aromatic hydrocarbon in each group of soil that gas chromatography-mass spectrometer (10) detected, content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683678.4A CN113341045A (en) | 2021-06-21 | 2021-06-21 | Sample pretreatment equipment for soil monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110683678.4A CN113341045A (en) | 2021-06-21 | 2021-06-21 | Sample pretreatment equipment for soil monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN113341045A true CN113341045A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110683678.4A Pending CN113341045A (en) | 2021-06-21 | 2021-06-21 | Sample pretreatment equipment for soil monitoring |
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| CN (1) | CN113341045A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6374991B1 (en) * | 1999-03-19 | 2002-04-23 | Martin Engineering Company | Conveyor belt cleaner and tensioner assembly |
| US20100037712A1 (en) * | 2003-03-13 | 2010-02-18 | Burton James D | Soil Sampling Apparatus and Method |
| CN104170550A (en) * | 2014-08-18 | 2014-12-03 | 丹阳市保得生态农林开发有限公司 | Soil screening remediation device |
| CN107290454A (en) * | 2017-06-30 | 2017-10-24 | 迪天环境技术南京股份有限公司 | A kind of portable soil repairs the device for fast detecting of polycyclic aromatic hydrocarbon |
| CN108633491A (en) * | 2018-04-12 | 2018-10-12 | 刘文平 | A kind of automatic feeding type straw chopping and returning device |
| CN110530665A (en) * | 2019-09-19 | 2019-12-03 | 苏州再生宝智能物联科技有限公司 | A kind of environment monitoring device used for geological prospecting |
-
2021
- 2021-06-21 CN CN202110683678.4A patent/CN113341045A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6374991B1 (en) * | 1999-03-19 | 2002-04-23 | Martin Engineering Company | Conveyor belt cleaner and tensioner assembly |
| US20100037712A1 (en) * | 2003-03-13 | 2010-02-18 | Burton James D | Soil Sampling Apparatus and Method |
| CN104170550A (en) * | 2014-08-18 | 2014-12-03 | 丹阳市保得生态农林开发有限公司 | Soil screening remediation device |
| CN107290454A (en) * | 2017-06-30 | 2017-10-24 | 迪天环境技术南京股份有限公司 | A kind of portable soil repairs the device for fast detecting of polycyclic aromatic hydrocarbon |
| CN108633491A (en) * | 2018-04-12 | 2018-10-12 | 刘文平 | A kind of automatic feeding type straw chopping and returning device |
| CN110530665A (en) * | 2019-09-19 | 2019-12-03 | 苏州再生宝智能物联科技有限公司 | A kind of environment monitoring device used for geological prospecting |
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Application publication date: 20210903 |
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