CN215727141U - Direct-push type fixed-depth soil gas sampling device - Google Patents
Direct-push type fixed-depth soil gas sampling device Download PDFInfo
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- CN215727141U CN215727141U CN202122072250.4U CN202122072250U CN215727141U CN 215727141 U CN215727141 U CN 215727141U CN 202122072250 U CN202122072250 U CN 202122072250U CN 215727141 U CN215727141 U CN 215727141U
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Abstract
The utility model discloses a direct-push type fixed-depth soil gas sampling device which comprises an integrated soil gas drill bit, wherein the surface of the integrated soil gas drill bit is in threaded connection with an extension external drill rod, the top end of the integrated soil gas drill bit is communicated with a quick connector positioned in the extension external drill rod, the top of the quick connector is fixedly connected with an air guide pipe positioned in the extension external drill rod, and the integrated soil gas drill bit consists of a drill bit and a soil gas probe. The utility model provides a soil gas sampling device which can be directly installed in soil by means of a direct-pressure device, replaces the existing manual installation mode, avoids interference of other possible factors on the operation of the soil gas sampling device, and solves the problem that the sampling effect is influenced by interference of human factors in the installation process because the existing sampling device for volatile organic pollutants is mainly a secondary device, namely the sampling device is installed in a soil well after the soil well is drilled.
Description
Technical Field
The utility model relates to the technical field of soil pollution detection, in particular to a direct-push type fixed-depth soil gas sampling device.
Background
Soil environment is the important objective condition of social sustainable development, and industrial enterprises such as various chemical industry, pesticides, smelting, electroplating increase speed and scope are bigger and bigger, lead to organic pollutant content in the soil to receive serious influence, for the convenience of going on to soil internal environment to administer, so need carry out sample test to soil internal gas through sampling device, and the sampling device of current volatility organic pollutant is mainly secondary device, after having bored the soil well earlier promptly, install sampling device in the soil well again, probably receive human factor's interference to produce the influence to the sample effect in the installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the present invention provides a direct-push type soil gas sampling device with a fixed depth, which has the advantage of easy installation and solves the problem that the sampling effect may be affected by human interference during the installation process because the conventional sampling device for volatile organic pollutants is mainly a secondary device, i.e., the sampling device is installed in the soil well after the soil well is drilled.
In order to achieve the purpose, the utility model provides the following technical scheme: a direct-push type fixed-depth soil gas sampling device comprises an integrated soil gas drill bit;
the surface threaded connection of integration soil gas drill bit has the external drilling rod of extension, the top intercommunication of integration soil gas drill bit has the quick-operation joint that is located the inside external drilling rod of extension, the top fixedly connected with of quick-operation joint is located the inside air duct of the external drilling rod of extension.
Preferably, the integrated soil gas drill bit consists of a drill bit and a soil gas probe, the soil gas probe is fixedly connected inside the drill bit, the quick connector is installed at the top end of the soil gas probe, and the soil gas probe is a porous gas collecting column core.
Preferably, the top of the drill bit is fixedly connected with a stainless steel dense grid pipe, and the stainless steel dense grid pipe is wrapped on the surface of the soil gas probe.
Preferably, the surface of the extension external drill rod is provided with scales.
Preferably, the top of the extension external drill rod is provided with a knocking cap, and the bottom end of the knocking cap extends to the inside of the extension external drill rod and is in threaded connection with the extension external drill rod.
Preferably, the extension external drill rod is composed of a plurality of extension components, the extension components are connected with each other through threads, and the direction of the threads between the extension components is opposite to the direction of the threads between the extension components and the drill bit.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a soil gas sampling device which can be directly installed in soil by means of a direct-pressure device, replaces the existing manual installation mode, avoids interference of other possible factors on the operation of the soil gas sampling device, and solves the problem that the sampling effect is influenced by interference of human factors in the installation process because the existing sampling device for volatile organic pollutants is mainly a secondary device, namely the sampling device is installed in a soil well after the soil well is drilled.
2. The integrated soil gas drill bit is formed by the drill bit and the soil gas probe, so that the connection strength of the drill bit and the soil gas probe can be improved, and the integrated soil gas drill bit is convenient for a user to transport.
3. According to the utility model, the stainless steel dense grid pipe is arranged, so that the soil gas probe can be protected, and the soil is prevented from blocking holes on the surface of the soil gas probe.
4. By setting the scales, the drilling depth can be conveniently monitored by a user, and drilling extraction errors are avoided.
5. According to the utility model, the knocking cap is arranged, so that the direct-pressure drilling machine can conveniently extrude the extended external drill rod, and the contact area between the extended external drill rod and the direct-pressure drilling machine is increased.
6. The extension external drill rod is formed by the extension assemblies, the length of the extension external drill rod can be flexibly adjusted according to the depth, and the extension assemblies and the drill bit can be prevented from loosening in the assembling and disassembling process by limiting the thread orientations of the extension assemblies.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic cross-sectional view of a front view structure of the present invention.
In the figure: 1. an integrated soil gas drill bit; 2. extending the external drill rod; 3. a quick-connect joint; 4. an air duct; 5. a drill bit; 6. a soil gas probe; 7. stainless steel dense grid tubes; 8. calibration; 9. the cap is knocked.
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.
As shown in fig. 1 to fig. 3, the direct-push type depth-fixed soil gas sampling device provided by the present invention comprises an integrated soil gas drill bit 1;
the surface of the integrated soil gas drill bit 1 is in threaded connection with an extension external drill rod 2, the top end of the integrated soil gas drill bit 1 is communicated with a quick connector 3 located inside the extension external drill rod 2, and the top of the quick connector 3 is fixedly connected with an air duct 4 located inside the extension external drill rod 2.
Referring to fig. 3, the integrated soil gas drill bit 1 comprises a drill bit 5 and a soil gas probe 6, the soil gas probe 6 is fixedly connected inside the drill bit 5, the quick connector 3 is installed at the top end of the soil gas probe 6, and the soil gas probe 6 is a porous gas collection column core.
As a technical optimization scheme of the utility model, the integrated soil gas drill bit 1 is formed by the drill bit 5 and the soil gas probe 6, so that the connection strength of the drill bit and the soil gas probe can be improved, and a user can transport the integrated soil gas drill bit conveniently.
Referring to fig. 3, a stainless steel dense grid tube 7 is fixedly connected to the top of the drill 5, and the stainless steel dense grid tube 7 is wrapped on the surface of the soil gas probe 6.
As a technical optimization scheme of the utility model, the soil gas probe 6 can be protected by arranging the stainless steel dense grid pipe 7, so that the soil can be prevented from blocking holes on the surface of the soil gas probe 6.
Referring to fig. 1, the surface of the extension circumscribed drill rod 2 is provided with scales 8.
As a technical optimization scheme of the utility model, the scale 8 is arranged, so that a user can conveniently monitor the drilling depth, and drilling extraction errors are avoided.
Referring to fig. 1, a knocking cap 9 is provided at the top of the extension circumscribed drill rod 2, and the bottom end of the knocking cap 9 extends to the inside of the extension circumscribed drill rod 2 and is threadedly connected thereto.
As a technical optimization scheme of the utility model, the knocking cap 9 is arranged, so that the direct-pressure drilling machine can conveniently extrude the extension external drill rod 2, and the contact area between the extension external drill rod 2 and the direct-pressure drilling machine is increased.
Referring to fig. 1, the extension circumscribed drill rod 2 is composed of a plurality of extension assemblies, which are connected to each other by threads, and the thread orientation between the extension assemblies is opposite to the thread orientation between the extension assemblies and the drill bit 5.
As a technical optimization scheme of the utility model, the extension external drill rod 2 is formed by a plurality of extension components, the length of the extension external drill rod 2 can be flexibly adjusted according to the depth, and the thread orientation of the extension components is limited, so that the extension components and the drill bit 5 can be prevented from loosening in the assembling and disassembling process.
The working principle and the using process of the utility model are as follows: when the soil gas sampling device is used, the integrated soil gas drill bit 1, the gas guide pipe 4, the extension external drill rod 2 and the knocking cap 9 are connected with each other, the drill bit 5 is vertically positioned at a selected point position, the soil gas sampling device is pushed into soil through a vertical compression drilling machine and can be connected with the extension external drill rod 2 according to depth, when the soil gas sampling device reaches a specified position, the extension external drill rod 2 is taken down, a valve is arranged at the top end of the gas guide pipe 4, quartz sand is filled in to ensure that the soil gas integrated probe is completely immersed into the quartz sand, water absorbing materials such as bentonite are filled to a certain distance away from the ground, cement mortar is poured above the extension external drill rod and a PVC pipe is selected to be installed on the ground, the cement mortar completely covers the PVC pipe containing the gas guide pipe 4 to form a well platform, after a soil gas monitoring well is formed, the external valve of the gas guide pipe 4 is opened, a sampling pump is used for extracting soil gas in a gas well with 3 times of volume, after the well washing of the soil gas well is finished, the valve is closed to be stable for more than 48 hours, and during sampling, the valve is opened to connect the gas guide pipe 4 with the sampling pump and the gas bag, so that the soil gas enters the gas bag to finish gas sampling.
In summary, the following steps: this direct pushing-type depthkeeping soil gas sampling device through inside with the help of the straight pressure equipment with soil gas sampling device direct mount in soil, replaces current manual installation's mode, avoids other possible factors to produce the interference to its operation, has solved current volatile organic pollutants's sampling device mainly for the secondary device, after boring the soil well earlier promptly, install sampling device within the soil well again, probably receive human factor's interference in the installation to the problem that the sample effect produced the influence.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A direct-push type fixed-depth soil gas sampling device comprises an integrated soil gas drill bit (1);
the method is characterized in that: the surface threaded connection of integration soil gas drill bit (1) has extension external drill rod (2), the top intercommunication of integration soil gas drill bit (1) has and is located extension external drill rod (2) inside quick-connect joint (3), the top fixedly connected with of quick-connect joint (3) is located extension external drill rod (2) inside air duct (4).
2. The direct-push type soil gas sampling device according to claim 1, wherein: the integrated soil gas drill bit (1) is composed of a drill bit (5) and a soil gas probe (6), the soil gas probe (6) is fixedly connected inside the drill bit (5), the quick connector (3) is installed at the top end of the soil gas probe (6), and the soil gas probe (6) is a porous gas collecting column core.
3. The direct-push type soil gas sampling device according to claim 2, wherein: the top of the drill bit (5) is fixedly connected with a stainless steel dense grid pipe (7), and the stainless steel dense grid pipe (7) is wrapped on the surface of the soil gas probe (6).
4. The direct-push type soil gas sampling device according to claim 1, wherein: the surface of the extension external drill rod (2) is provided with scales (8).
5. The direct-push type soil gas sampling device according to claim 1, wherein: the top of the extension external drill rod (2) is provided with a knocking cap (9), and the bottom end of the knocking cap (9) extends to the inside of the extension external drill rod (2) and is in threaded connection with the extension external drill rod.
6. The direct-push type soil gas sampling device according to claim 1, wherein: the extension external drill rod (2) is composed of a plurality of extension components which are connected with each other through threads, and the thread orientation between the extension components is opposite to the thread orientation between the extension components and the drill bit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072250.4U CN215727141U (en) | 2021-08-31 | 2021-08-31 | Direct-push type fixed-depth soil gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122072250.4U CN215727141U (en) | 2021-08-31 | 2021-08-31 | Direct-push type fixed-depth soil gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215727141U true CN215727141U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122072250.4U Active CN215727141U (en) | 2021-08-31 | 2021-08-31 | Direct-push type fixed-depth soil gas sampling device |
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| CN (1) | CN215727141U (en) |
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2021
- 2021-08-31 CN CN202122072250.4U patent/CN215727141U/en active Active
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