CN206235497U - A kind of soil gas sampler and soil gas detection device - Google Patents
A kind of soil gas sampler and soil gas detection device Download PDFInfo
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- CN206235497U CN206235497U CN201621270177.4U CN201621270177U CN206235497U CN 206235497 U CN206235497 U CN 206235497U CN 201621270177 U CN201621270177 U CN 201621270177U CN 206235497 U CN206235497 U CN 206235497U
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- soil gas
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Abstract
The utility model provides a kind of soil gas sampler, including a hollow drill pipe, and the top of drilling rod is provided with handle, and lower end is connected with back taper drill bit, and the outer wall of drill bit is provided with external thread structure, and the tip of drill bit is provided with acquisition port；Acquisition port, drilling rod are connected；Or also including a conduit, conduit is built in hollow drill pipe and drill bit, is connected with acquisition port.The utility model additionally provides a kind of soil gas detection device, including above-mentioned soil gas sampler, and also including pump suction gas detector, when without built-in conduit, the drilling rod of soil gas sampler is connected by wireway with pump suction gas detector；When there is built-in conduit, conduit is connected by wireway with pump suction gas detector.The utility model can be good at completely cutting off air and soil gas, and soil gas in soil aperture is acquired and detected, it is to avoid air produces influence to soil gas detected value, improves the accuracy of testing result.
Description
Technical field
The utility model is related to gaseous sample acquisition technique field, more particularly to a kind of soil gas sampler and soil
Gas detection apparatus.
Background technology
Soil gas is one of soil important composition composition, and soil gas is substantially, by air, but also have few portion
Divide and result from Biochemical processes in soil, be of great importance for plant growth and Zinc fractions.Soil gas is examined
Survey can be appreciated that the aeration of soil, also can indirectly reflect soil by the situation of some contaminants.
Soil gas is gathered using the method for positioning heeling-in sampling bottle earliest, it has the disadvantage to destroy soil texture, time-consuming to take
Power, and can not whenever and wherever possible gather soil gas.Soil gas is carried out in addition with using guide wire connection wireway
Detection, gets out inspecting hole using hand drill or electric hammer on soil first, during guide wire then stretched into hole, using the method for suction
Sampling.Although the method for guide wire can be realized in real time detecting soil gas, because the caliber of guide wire is certain
, there is space between soil during gas collection, cause the air in aspiration procedure air to be inhaled into by space and adopt
Sample device, and then influence testing result.
Therefore, a kind of soil gas sampling that can well completely cut off tested point position soil gas and air how is founded
Device, and then avoid the gas content in air from producing influence to soil gas detected value, the accuracy of testing result is improved, turn into
Current industry pole needs improved target.
Utility model content
First technical problem to be solved in the utility model is to provide one kind can well completely cut off tested point position soil
The soil gas sampler of gas and air, and then avoid the gas content in air from producing influence to soil gas detected value,
Improve the accuracy of testing result.
In order to solve the above technical problems, the utility model provides a kind of soil gas sampler, including a hollow drill pipe, institute
The top for stating drilling rod is provided with handle, and lower end is connected with back taper drill bit, and the outer wall of the drill bit is provided with external thread structure, institute
The tip for stating drill bit is provided with acquisition port；The acquisition port, drilling rod are connected；Or also include a conduit, during the conduit is built in
In empty drilling rod and drill bit, connected with acquisition port.
As it is of the present utility model it is a kind of improve, the root of the drill bit is provided with isometrical portion, the diameter in the isometrical portion with
The root diameter (RD) of the drill bit is equal.
Further improve, the handle and drill bit be with the drilling rod and be detachably connected, the handle and drill bit and institute
The junction for stating drilling rod is equipped with seal.
Further improve, the drilling rod is made up of some short drill pipes being detachably connected mutually, between the short drill pipe
Junction is equipped with seal.
Second Problem to be solved in the utility model is to provide one kind and can anywhere or anytime carry out soil gas detection,
And can well completely cut off the soil gas detection device of tested point position soil gas and air.
In order to solve the above technical problems, the utility model provides a kind of soil gas detection device, including above-mentioned soil
Earth gas sampler, also including pump suction gas detector, when without built-in conduit, the drilling rod of the soil gas sampler
It is connected with the pump suction gas detector by wireway；When there is built-in conduit, the conduit passes through wireway and institute
State the connection of pump suction gas detector.
As a kind of improvement of the present utility model, also including the pneumatic filter for filtering impurity in soil gas, institute
Pneumatic filter is stated to be connected between acquisition port and pump suction gas detector.
Further improve, the pneumatic filter is included for filtering the drier of vapor in soil gas and for filtering
Except the filter membrane of dust granules in soil gas.
Further improve, the pump suction gas detector, filter membrane, drier and soil gas sampler are sequentially connected.
Further improve, the drier is silica gel drier.
By using above-mentioned technical proposal, the utility model at least has the advantages that：
1st, the inclined-plane on back taper drill bit can push against the side wall of inspecting hole, and the screw thread on external thread structure can be screwed into and brill
In the soil of head contact, drill bit is in close contact with soil, realize the effect of isolation soil gas and air, acquisition port is located at
The tip of drill bit, the tip of the drill bit of back taper can be pierced in soil, realize the collection to soil gas in soil aperture,
And then air is avoided on the generation influence of soil gas detected value, improve the accuracy of testing result.
2nd, the root diameter (RD) of the drill bit of back taper is maximum, and the isometrical portion equal with drill bit root diameter (RD) can further improve
The sealing effectiveness of drill bit.
3rd, the drilling rod detachably formed by some short drill pipes, the depth that can be detected as needed sets the length of drilling rod.
4th, the soil gas detection device being made up of soil gas sampler and pump suction gas detector, simple structure,
Soil gas detection can anywhere or anytime be carried out.
5th, pneumatic filter can filter the impurity in gathered soil gas, it is to avoid impurity effect testing result, together
When being capable of protective gas detector.
6th, vapor and dust granules are most common impurity in soil gas, are filtered by drier and filter membrane and are gathered
Soil gas in vapor and dust granules, it is possible to increase the accuracy of testing result, it is also possible to extend the use of instrument
Life-span.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand technology hand of the present utility model
Section, below in conjunction with accompanying drawing, the utility model is described in further detail with specific embodiment.
Fig. 1 is the structural representation of the first implementation method of the utility model soil gas sampler；
Fig. 2 is the structural representation of second implementation method of the utility model soil gas sampler；
Fig. 3 is the structural representation of the first implementation method of the utility model soil gas detection device；
Fig. 4 is the structural representation of second implementation method of the utility model soil gas detection device；
Wherein, 1, drill bit, 2, drilling rod, 3, handle, 4, pneumatic filter, 5, pump suction gas detector, 11, acquisition port,
12nd, isometrical portion, 21, conduit, 41, drier, 42, filter membrane.
Specific embodiment
As shown in figure 1, be the first implementation method of the utility model soil gas sampler, including a hollow drill pipe 2,
The top of the drilling rod 2 is provided with handle 3, and lower end is connected with back taper drill bit 1, and the outer wall of the drill bit 1 is provided with external screw thread knot
Structure, the tip of the drill bit 1 is provided with acquisition port 11；The acquisition port 11, drilling rod 2 are connected.The preferred handle 3 can be with brill
Bar 2 is vertically arranged, and forms T-type structure, is easy to use.
Coordinate shown in Fig. 2, be second implementation method of the utility model soil gas sampler, also including a conduit
21, the conduit 21 is built in hollow drill pipe 2 and drill bit 1, is connected with acquisition port 11.
, when probeing into the inspecting hole that hand drill or electric hammer are accomplished fluently in advance, the inclined-plane on drill bit 1 can be gradual for back taper drill bit 1
The side wall of inspecting hole is pushed against, the screw thread on external thread structure can be screwed into the soil contacted with drill bit 1, realize isolation drill bit 1
The effect of lower section soil gas and the upper air of drill bit 1.Acquisition port 11 is located at the tip of drill bit 1, and the tip of drill bit 1 can pierce soil
In earth, the collection to soil gas in soil aperture is realized under isolation air conditions.And then air is avoided to soil gas
Detected value produces influence, improves the accuracy of testing result.
The root of the drill bit 1 is provided with isometrical portion 12, the diameter in the isometrical portion 12 and the root diameter (RD) phase of the drill bit 1
Deng.The root diameter (RD) of back taper drill bit 1 is maximum, and the isometrical portion 12 equal with the root diameter (RD) of drill bit 1 can closely push against in advance
The side wall of the inspecting hole accomplished fluently, can further improve the sealing effectiveness of drill bit 1.
The handle 3 and drill bit 1 are with the drilling rod 2 and are detachably connected, the handle 3 and drill bit 1 and the drilling rod 2
Junction be equipped with seal.The preferred seal can be sealing rubber pad.The soil gas sampler structure is simple,
When in use can Assembling, after use dismantle carry, using simple, be easy to carry.
The drilling rod 2 is made up of some short drill pipes being detachably connected mutually, and the junction between the short drill pipe is all provided with
There is seal.The drilling rod 2 detachably formed by some short drill pipes, the depth that can be detected as needed adjusts the length of drilling rod 2, just
Detected in different depth soil gas.
Coordinate shown in Fig. 3, be the first implementation method of the utility model soil gas detection device, including above-mentioned soil
Earth gas sampler, also including pump suction gas detector 5, the drilling rod 2 of the soil gas sampler passes through wireway and institute
Pump suction gas detector 5 is stated to connect.
Coordinate shown in Fig. 4, be second implementation method of soil gas detection device of the present utility model, also including a conduit
21, the conduit 21 is built in the hollow drill pipe 2 and drill bit 1, and the conduit 21 passes through wireway and the pump suction type gas
Body detector 5 is connected.The preferred wireway can be rubber tube, and rubber tube pliability is good, and elasticity is big, good sealing effect.
The soil gas detection device being made up of soil gas sampler and pump suction gas detector 5, simple structure, energy
It is enough to carry out soil gas detection anywhere or anytime, and can well completely cut off tested point position soil gas and air, and then avoid
Air produces influence to soil gas detected value, improves the accuracy of testing result.
The soil gas detection device also includes the pneumatic filter 4 for filtering impurity in soil gas, the gas
Filter 4 is connected between acquisition port 11 and pump suction gas detector 5.Pneumatic filter 4 can filter gathered soil
Impurity in gas, it is to avoid impurity effect testing result, while being capable of protective gas detector 5.
The preferred pneumatic filter 4 is included for filtering the drier 41 of vapor in soil gas and for filtering
The filter membrane 42 of dust granules in soil gas, the pump suction gas detector 5, filter membrane 42, drier 41 and soil gas are adopted
Sample device is sequentially connected.
Vapor and dust granules are most common impurity in soil gas, are filtered and are adopted by drier 41 and filter membrane 42
Vapor and dust granules in the soil gas of collection, the raising to detecting structure accuracy are notable, while can also extend instrument
The service life of device.The drier 41 is arranged at the front end of filter membrane 42, first can remove the vapor in soil gas,
Avoid the too high damage filter membrane 42 of water vapour content in soil gas.
The preferred drier 41 can be silica gel drier.Silica gel drier absorption property is high, heat endurance is good, chemistry
It is stable in properties good, while ensureing to have clearance higher to vapor, to the testing result shadow of other indexs in soil gas
Ring very little.
Detection method：
Step 1, get out inspecting hole on the soil to be detected first by hand drill, electric drill or electric hammer；
Step 2, soil gas sampler stretches into inspecting hole, rotary handle 3 makes drill bit 1 tighten soil；
Step 3, unlatching pump suction gas detector 5, suction carries out numerical sample again after a period of time, that is, complete detection.
In sum, the inclined-plane on back taper drill bit 1 of the present utility model can push against the side wall of inspecting hole, external thread structure
On screw thread can be screwed into the soil contacted with drill bit 1, be in close contact drill bit 1 and soil, realize isolation soil gas
With the effect of air, acquisition port 11 is located at the tip of drill bit 1, and the tip of the drill bit 1 of back taper can pierce in soil, realize
Collection to soil gas in soil aperture, and then air is avoided on the generation influence of soil gas detected value, improve detection
The accuracy of result.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
Fall in protection domain of the present utility model.
Claims (9)
1. a kind of soil gas sampler, it is characterised in that including a hollow drill pipe, the top of the drilling rod is provided with handle,
Lower end is connected with back taper drill bit, and the outer wall of the drill bit is provided with external thread structure, and the tip of the drill bit is provided with acquisition port；
The acquisition port, drilling rod are connected；Or also including a conduit, the conduit is built in hollow drill pipe and drill bit, and is adopted
Ji Kou is connected.
2. soil gas sampler according to claim 1, it is characterised in that the root of the drill bit is provided with isometrical portion,
The diameter in the isometrical portion is equal with the root diameter (RD) of the drill bit.
3. soil gas sampler according to claim 1 and 2, it is characterised in that the handle and drill bit and the brill
Bar is and is detachably connected, and the handle and drill bit are equipped with seal with the junction of the drilling rod.
4. soil gas sampler according to claim 1 and 2, it is characterised in that the drilling rod is by some removable mutually
The short drill pipe composition of connection is unloaded, the junction between the short drill pipe is equipped with seal.
5. a kind of soil gas detection device, it is characterised in that including the soil gas sampling described in claim any one of 1-4
Device, also including pump suction gas detector, when without built-in conduit, the drilling rod of the soil gas sampler passes through wireway
It is connected with the pump suction gas detector；When there is built-in conduit, the conduit passes through wireway and the pump suction type gas
Body detector is connected.
6. soil gas detection device according to claim 5, it is characterised in that also including in for filtering soil gas
The pneumatic filter of impurity, the pneumatic filter is connected between acquisition port and pump suction gas detector.
7. soil gas detection device according to claim 6, it is characterised in that the pneumatic filter is included for filtering
Except the drier of vapor in soil gas and the filter membrane for filtering dust granules in soil gas.
8. soil gas detection device according to claim 7, it is characterised in that the pump suction gas detector, filter
Film, drier and soil gas sampler are sequentially connected.
9. soil gas detection device according to claim 7, it is characterised in that the drier is silica gel drier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270177.4U CN206235497U (en) | 2016-11-23 | 2016-11-23 | A kind of soil gas sampler and soil gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270177.4U CN206235497U (en) | 2016-11-23 | 2016-11-23 | A kind of soil gas sampler and soil gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235497U true CN206235497U (en) | 2017-06-09 |
Family
ID=58979827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270177.4U Active CN206235497U (en) | 2016-11-23 | 2016-11-23 | A kind of soil gas sampler and soil gas detection device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507965A (en) * | 2018-03-13 | 2018-09-07 | 山东科技大学 | A kind of aeration zone CO 2 measuring device |
| CN108708717A (en) * | 2018-04-25 | 2018-10-26 | 中国地质科学院地球物理地球化学勘查研究所 | A kind of permafrost region thin solum takes gas equipment |
| CN109580298A (en) * | 2019-01-18 | 2019-04-05 | 福建师范大学 | A kind of soil gas measuring rod |
| CN111207954A (en) * | 2020-03-18 | 2020-05-29 | 北华航天工业学院 | Combined type in-situ soil liquid phase and gas phase substance collector |
| CN113238028A (en) * | 2021-05-08 | 2021-08-10 | 中国环境科学研究院 | Soil greenhouse gas monitoring case with self-cleaning effect of probe |
| CN114674957A (en) * | 2022-03-25 | 2022-06-28 | 江苏省环境科学研究院 | Site in-situ sampling detection device and method |
-
2016
- 2016-11-23 CN CN201621270177.4U patent/CN206235497U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507965A (en) * | 2018-03-13 | 2018-09-07 | 山东科技大学 | A kind of aeration zone CO 2 measuring device |
| WO2019174351A1 (en) * | 2018-03-13 | 2019-09-19 | 山东科技大学 | Carbon dioxide measuring device for aeration zone |
| CN108507965B (en) * | 2018-03-13 | 2019-10-08 | 山东科技大学 | A kind of aeration zone CO 2 measuring device |
| CN108708717A (en) * | 2018-04-25 | 2018-10-26 | 中国地质科学院地球物理地球化学勘查研究所 | A kind of permafrost region thin solum takes gas equipment |
| CN109580298A (en) * | 2019-01-18 | 2019-04-05 | 福建师范大学 | A kind of soil gas measuring rod |
| CN111207954A (en) * | 2020-03-18 | 2020-05-29 | 北华航天工业学院 | Combined type in-situ soil liquid phase and gas phase substance collector |
| CN113238028A (en) * | 2021-05-08 | 2021-08-10 | 中国环境科学研究院 | Soil greenhouse gas monitoring case with self-cleaning effect of probe |
| CN114674957A (en) * | 2022-03-25 | 2022-06-28 | 江苏省环境科学研究院 | Site in-situ sampling detection device and method |
| CN114674957B (en) * | 2022-03-25 | 2023-11-07 | 江苏省环境科学研究院 | Site in-situ sampling detection device and method |
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