CN212658463U - Non-disturbance sampler device for soil investigation - Google Patents
Non-disturbance sampler device for soil investigation Download PDFInfo
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- CN212658463U CN212658463U CN202020313186.7U CN202020313186U CN212658463U CN 212658463 U CN212658463 U CN 212658463U CN 202020313186 U CN202020313186 U CN 202020313186U CN 212658463 U CN212658463 U CN 212658463U
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- sampling handle
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- 239000002689 soil Substances 0.000 title claims abstract description 74
- 238000011835 investigation Methods 0.000 title claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 50
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 12
- 231100000719 pollutant Toxicity 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000005527 soil sampling Methods 0.000 abstract description 9
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 4
- 238000003900 soil pollution Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002920 hazardous waste 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
- 230000002265 prevention Effects 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a non-disturbance sample thief device for soil investigation, including sampling handle, empty volume slip connecting rod, piston push rod, syringe formula shell, porous sample surely change panel and constant temperature sample storage box, the soil original state sample of collection non-disturbance that its characterized in that can convenient and fast, with the soil sample of cut off part exposure air one side simultaneously, put into brown soil sampling bottle under inclosed condition to the release risk of pollutant in the at utmost prevents soil sampling process. The sampling device is simple and convenient to use, low in cost, capable of further improving the accuracy of the determination of the pollutants in the soil sample and particularly suitable for the occasions of collecting and detecting the non-disturbed soil sample containing the volatile organic pollutants.
Description
Technical Field
The utility model belongs to the technical field of soil investigation and environmental remediation, in particular to non-disturbance sample thief device for soil investigation.
Background
China is one of the most serious countries of global soil pollution. Data published by the ministry of environmental protection show that as early as 2006, according to incomplete investigation, the polluted cultivated land in China is about 1.5 hundred million acres, accounting for 8.3% of 18 hundred million acres of cultivated land. The law established for improving the soil environment quality step by step in order to actually enhance the soil pollution control is published by State hospitals to implement the action plan for soil pollution control in 2016, 5, 28 days. One of the objectives of the program is to conduct national soil pollution surveys and to understand the soil environmental quality conditions. Deeply developing soil environment quality investigation, and establishing a soil environment quality condition regular investigation system developed every 10 years; building a soil environment quality monitoring network, and realizing the full coverage of all counties, cities and districts of soil environment quality monitoring points before 2020; and the soil environment informatization management level is improved. In soil investigation, how to collect non-disturbed soil samples is critical, and especially how to prevent the release of pollutants in the sampling process is important.
At present, some patent technologies in the above-mentioned fields can be used for soil sampling investigation, for example, as the patent with publication number CN207488047U proposes a supporting device for rapid detection of organic matters in soil sampling site, which includes a gas collector, a bag body and a duct, the design has the advantages of simple structure, easy manufacture, practicality and high efficiency, but is only suitable for screening site pollutants, and the detection accuracy is poor. The patent with the publication number of CN110864934A provides a layered sampling device and a method for contaminated soil in a temporary storage warehouse, a driving motor is arranged to drive a drill bit to rotate, a drill rod and the drill bit rotate, and under the matching action of a spiral plate, a handle is held by hand to drill the device into the soil, so that soil can be conveniently fed, the soil is simpler in the subsequent collection process, the pollutant release control in the sampling process is not considered, and a power supply needs to be equipped during field application. Publication No. CN110749471A patent has proposed a farm soil sampling device for land rental management, including the sampling platform, be convenient for to the high-efficient sampling of farm soil, reduce sampling personnel intensity of labour, but need extra power, do not consider the pollutant release problem in the sampling process. However, for a large amount of soil investigation, especially for volatile organic pollutant soil investigation, how to find an undisturbed sampling device, the operation is more simple and convenient, and the prevention of pollutant release in the sampling process to the maximum extent is still the main challenge facing workers in the field investigation and environmental remediation industry.
Disclosure of Invention
The utility model aims at: to the weak point of current soil investigation sampling device, provide a non-disturbance sample thief device for soil investigation, the soil original state sample of non-disturbance of collection that can convenient and fast, the soil sample of the air one side is exposed to the cutaway portion simultaneously, put into brown soil sampling bottle under inclosed condition, thereby the release risk of pollutant in the at utmost prevents soil sampling process, consequently, this device is key to be solved and to gather soil non-disturbance original state sample and prevent that the release of sampling pollutant leads to soil sample pollutant detection data key problem such as inaccurate.
The above object of the present invention is achieved by the following means: the utility model provides a non-disturbance sample thief device for soil investigation, includes sampling handle, empty volume slip connecting rod, piston push rod, syringe formula shell, porous sample surely changes panel and constant temperature sample storage box which characterized in that: the hollow volume sliding connecting rod is arranged in the sampling handle and can flexibly slide up and down; the piston type push rod is pushed into the injector shell, and the piston type push rod and the injector shell are placed into a clamping groove at a specific position of the sampling handle according to the required soil sampling amount; aligning the assembled sampler to soil to be sampled, and rotating the sampling handle to the soil to ensure that the piston type push rod is directly pushed to the hollow top of the sampling handle after contacting with the top cap at the lower part of the hollow volume sliding connecting rod; reversely rotating the sampling handle, and transferring the sampling handle to a constant-temperature sample storage box which is covered with a porous sample cutting and rotating panel and is provided with a brown sample bottle after the sampling handle is separated from soil; aligning the injector type shell to a hole of a capped multi-hole sample cutting and rotating panel corresponding to a sample bottle containing a waste sample, downwards sliding a hollow volume sliding connecting rod at the middle upper part of a sampling handle to the lowest part, and simultaneously driving a piston type push rod to downwards move so as to extrude part of soil samples collected in the injector type shell; and horizontally rotating the sampling handle on the porous sample cutting and rotating panel, so that the extruded partial soil sample is cut into a waste sample bottle below the porous sample cutting and rotating panel, horizontally rotating the injector type shell to a hole of the covered porous sample cutting and rotating panel corresponding to the sample bottle filled with the soil sample, and pushing the piston type push rod to enable all the residual soil samples to enter the sample bottle.
The non-disturbance sampler device for soil investigation is further characterized in that the maximum distance that the hollow volume sliding connecting rod can slide corresponds to the collected redundant waste soil sample, and is used for solving the problem of release of pollutants in the process of transferring the soil sample in the injector shell to the sample bottle, particularly the release of volatile organic pollutants in the soil. And the lower part of the sampling handle is a cuboid or a cylinder with a hole in the center, and the cuboid is preferred. And at least 2 clamping grooves are formed in different positions inside the central opening of the lower part of the sampling handle and used for clamping and placing the injector type shell, so that different soil sample quantities can be conveniently collected. And fourthly, the hole of the multi-hole sample cutting and rotating panel covered on the constant-temperature sample storage box completely corresponds to the position of the opening of the brown sample bottle arranged in the sample storage box. Fifthly, the diameters of the round holes on the upper surface and the lower surface of a single hole on the porous sample cutting and rotating panel are different, the diameter of the round hole on the upper surface is as large as the inner diameter of the injector type shell, and is 90-98 percent of the diameter of the round hole on the lower surface, preferably 95 percent. Sixthly, the used material is plastic or stainless steel, and preferably plastic.
The utility model discloses but the wide application is surveyed and is restoreed in general soil survey and the investigation of contaminated site, and specially adapted gathers the occasion that detects the non-disturbance soil sample that contains volatile organic pollutant, not only can gather soil original state sample, but also has controlled the release risk of volatile organic pollutant and other pollutants in the soil sample collection process. The utility model has the advantages of as follows: the sampling device is simple and convenient to use, low in cost and capable of achieving non-disturbance sampling, and the accuracy of soil sample determination is further improved by removing part of soil samples on the exposed air side.
[ description of the drawings ]
FIG. 1 is a schematic view of a non-turbulent sampler device for soil investigation
FIG. 2 is a schematic view of a multi-well sample cutting and rotating panel
In the figure: 1. a sampling handle; 2. a void volume slide link; 3. a piston type push rod; 4. a syringe-type housing;
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in attached drawings 1 and 2, the embodiment of the utility model provides a to a certain petrochemical plant plot soil investigation project of Heilongjiang province, adopted a non-disturbance sample thief device for soil investigation, including sampling handle, empty volume slip connecting rod, piston push rod, syringe formula shell, porous sample surely change panel and constant temperature sample case, be the plastics material. Collecting a soil sample according to the technical guide for sampling volatile organic compounds in plot soil and underground water (HJ 1019-2019), detecting and analyzing volatile organic pollutants in the soil sample, and using the undisturbed soil sampler device comprises the following operation steps: firstly, placing a hollow volume sliding connecting rod in a sampling handle; the piston type push rod is pushed into the shell of the injector, and the piston type push rod and the shell are placed into clamping grooves (3 clamping groove positions respectively correspond to the soil sample amount of 7g, 10g and 13 g) of a specific position (corresponding to the soil sample amount of 10g +/-1 g) of a sampling handle according to the required soil sampling amount of 10 g; aligning the assembled sampler to soil to be sampled (columnar soil obtained by drilling by a 30-bit drilling machine), and rotating a sampling handle into the soil to ensure that a piston type push rod is directly pushed to the hollow top of the sampling handle after contacting with a top cap at the lower part of a hollow volume sliding connecting rod; reversely rotating the sampling handle, and transferring the sample to a constant-temperature sample storage box at 0-4 ℃, which is covered with a porous sample cutting and rotating panel and is provided with a 40ml brown sample bottle (10 ml of analytically pure methanol protective agent is added in advance); aligning the injector type shell to a hole of a capped multi-hole sample cutting and rotating panel corresponding to a sample bottle containing a waste sample, downwards sliding a hollow volume sliding connecting rod at the middle upper part of a sampling handle to the lowest part, and simultaneously driving a piston type push rod to downwards move so as to extrude part of soil samples collected in the injector type shell; and horizontally rotating the sampling handle on the porous sample cutting and rotating panel, so that the extruded partial soil sample is cut into a waste sample bottle below the porous sample cutting and rotating panel, horizontally rotating the injector type shell to a hole which is aligned with the capped porous sample cutting and rotating panel corresponding to the sample bottle filled with the soil sample, pushing the piston type push rod, so that the residual whole soil sample enters the sample bottle, capping the sample bottle, and well making a sampling record and attaching a sample number on the surface of the sample bottle. Waste sample bottles are collected uniformly, and are treated according to common garbage after being determined to be pollution-free, if pollution exists, the waste sample bottles need to be treated according to the treatment requirement of hazardous waste. Wherein, the hole of the multi-hole sample cutting and rotating panel covered on the constant temperature sample storage box completely corresponds to the bottle mouth position of the brown sample bottle arranged in the sample storage box; the diameters of the round holes on the upper surface and the lower surface of a single hole on the multi-hole sample cutting and rotating panel are different, the diameter of the round hole on the upper surface is as large as the inner diameter of the injector type shell, and is 95 percent of the diameter of the round hole on the lower surface; the amount of the soil waste sample excised from each pass of the multi-well sample cutting rotating plate was 2 g. + -. 0.5 g. The lower part of the sampling handle in the sampling device is a cuboid with a central hole. Compared with the traditional sampling device, the data accuracy of the content of the volatile organic pollutants in 15 soil samples sampled and measured by the sampling device is improved by 5% -10%.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a non-disturbance sample thief device for soil investigation, includes sampling handle, empty volume slip connecting rod, piston push rod, syringe formula shell, porous sample surely changes panel and constant temperature sample storage box which characterized in that:
the hollow volume sliding connecting rod is positioned in the sampling handle and can slide up and down;
the lower end of the piston type push rod is positioned in the injector shell, a clamping groove is formed in the sampling handle, and the piston type push rod and the injector type shell are clamped in the clamping groove;
the lower part of the empty volume sliding connecting rod is provided with a top cap, the top of the sampling handle is hollow, and the piston type push rod can be directly pushed to the hollow top of the sampling handle after contacting the top cap at the lower part of the empty volume sliding connecting rod;
a multi-hole sample cutting and rotating panel is arranged on the constant-temperature sample storage box, and a brown sample bottle is placed in the constant-temperature sample storage box; the syringe type shell can be aligned to the hole of the capped multi-hole sample cutting and rotating panel corresponding to the sample bottle for containing the waste sample, the hollow volume sliding connecting rod is positioned at the middle upper part of the sampling handle, and the piston type push rod can be driven by the hollow volume sliding connecting rod.
2. The non-turbulent sampler device of claim 1 wherein the maximum distance the free volume slide linkage can slide corresponds to excess waste soil sample collected to account for release of contaminants during transfer of the soil sample from the syringe housing to the sample bottle.
3. The non-turbulent sampler device for soil investigation of claim 1 wherein the lower portion of the sampling handle is a cuboid or cylinder with a central opening.
4. The non-turbulent sampler device of claim 1 wherein the sampling handle has at least 2 slots at different positions within the central opening at the lower portion thereof for receiving the syringe-type housing to facilitate the collection of different soil samples.
5. The non-turbulent sampler device for soil investigation of claim 1 wherein the holes of the thermostatic sample storage box covered with the porous sample cutting panel correspond exactly to the position of the opening of a brown sample bottle placed inside the sample storage box.
6. The non-turbulent sampler device of claim 1 wherein the diameter of the circular holes on the upper and lower surfaces of the single hole on the multi-hole sample cutting and rotating panel is different, the diameter of the circular hole on the upper surface is as large as the inner diameter of the injector-type housing, and is 90% to 98% of the diameter of the circular hole on the lower surface.
7. The non-turbulent sampler device of claim 1 wherein the non-turbulent sampler device is made of plastic or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313186.7U CN212658463U (en) | 2020-03-13 | 2020-03-13 | Non-disturbance sampler device for soil investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313186.7U CN212658463U (en) | 2020-03-13 | 2020-03-13 | Non-disturbance sampler device for soil investigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212658463U true CN212658463U (en) | 2021-03-05 |
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ID=74765826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020313186.7U Active CN212658463U (en) | 2020-03-13 | 2020-03-13 | Non-disturbance sampler device for soil investigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212658463U (en) |
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2020
- 2020-03-13 CN CN202020313186.7U patent/CN212658463U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240814 Address after: F4-201, low carbon industrial park, no.6, Huafeng Road, Dongli District, Tianjin Patentee after: ZHONGXIN RUIMEI (TIANJIN) ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Country or region after: China Patentee after: Liu Chaohui Patentee after: Sinochem (Tianjin) Environmental Technology Co.,Ltd. Address before: F4-201, low carbon industrial park, no.6, Huafeng Road, Dongli District, Tianjin Patentee before: ZHONGXIN RUIMEI (TIANJIN) ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Country or region before: China Patentee before: Liu Chaohui Patentee before: Sinochem (Tianjin) Environmental Technology Co.,Ltd. Patentee before: Zhongkehuicheng (Tianjin) Information Industry Research Institute Co.,Ltd. |