CN211292222U - Gas sampling device in petrochemical detects - Google Patents
Gas sampling device in petrochemical detects Download PDFInfo
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- CN211292222U CN211292222U CN201922332510.XU CN201922332510U CN211292222U CN 211292222 U CN211292222 U CN 211292222U CN 201922332510 U CN201922332510 U CN 201922332510U CN 211292222 U CN211292222 U CN 211292222U
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- sampling device
- gasbag
- sample
- joint
- petrochemical
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Abstract
The utility model discloses a gas sampling device among petrochemical detection, including the sample gasbag, the fixed surface of sample gasbag is connected with connecting pipe and pipe, and the surface of connecting pipe is provided with the joint, and the one end of joint is pegged graft inboard at sampling device's connecting portion. When sampling device used, open the air discharge of stop valve in with the sample gasbag, then close the stop valve and will connect the connecting portion inboard that inserts sampling device, loosen the sample gasbag, open sampling device extrusion sampling gasbag, make the detection gas pass through the joint and get into the sample gasbag through the connecting pipe and make it recover, then cover the sample gasbag and will connect and extract from sampling device is inside, sampling device has avoided gaseous leakage through the setting of one-way check valve and stop valve.
Description
Technical Field
The utility model relates to a petrochemical detects technical field, specifically is a gas sampling device during petrochemical detects.
Background
In the process of oil field development, hydrogen sulfide gas and carbon dioxide gas are also produced to the ground along with oil well produced liquid and associated gas, according to the regulations of the engineering technology management center safety and environmental protection, closed sampling must be carried out on a wellhead flow and an external transportation flow, and a detection tube method is used for carrying out quantitative detection on the concentration of the oil well hydrogen sulfide.
The domestic syringe is used more when the sampling of gas detects, inserts and advances the extraction gas in the sample bag, however the domestic syringe wall easily leaks gas, and syringe needle base is usually for convenient use and place, and its appearance is generally processed into squarely, sheathes in rubber tube and polytetrafluoroethylene pipe after, because of circular rubber tube inner wall and square syringe needle base can not sealed completely to leak gas easily when leading to the ration sample and cause detection error.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas sampling device among petrochemical detects to solve the easy problem of leaking gas of sampling device.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas sampling device among petrochemical detects, includes the sample gasbag, the fixed surface of sample gasbag is connected with connecting pipe and pipe, the surface of connecting pipe is provided with the joint, the one end of joint is pegged graft inboard at sampling device's connecting portion.
Preferably, the surface of the joint is provided with a one-way check valve.
Preferably, the surface of the conduit is provided with a shut-off valve.
Preferably, one end of the conduit is provided with a cannula.
Preferably, the inner side of the connecting part of the sample feeding device is provided with positioning rubber, and the inner side of the positioning rubber is connected with a joint.
Compared with the prior art, the beneficial effects of the utility model are that: when sampling device used, open the air discharge of stop valve in with the sample gasbag, then close the stop valve and will connect the connecting portion inboard that inserts sampling device, loosen the sample gasbag, open sampling device extrusion sampling gasbag, make the detection gas pass through the joint and get into the sample gasbag through the connecting pipe and make it recover, then cover the sample gasbag and will connect and extract from sampling device is inside, sampling device has avoided gaseous leakage through the setting of one-way check valve and stop valve.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the joint connection according to the present invention.
In the figure: 1 sampling air bag, 2 connecting pipes, 3 joints, 4 one-way check valves, 5 guide pipes, 6 stop valves, 7 insertion pipes, 8 sample introduction devices and 81 positioning rubber.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a gas sampling device among petrochemical detects, includes sample gasbag 1, and sample gasbag 1's fixed surface is connected with connecting pipe 2 and pipe 5, and sample gasbag 1 is used for the ration to extract to detect gaseous, and the surface of connecting pipe 2 is provided with and connects 3, and the one end that connects 3 is pegged graft inboard at the connecting portion of sampling device 8.
Referring to fig. 1, a one-way check valve 4 is provided on a surface of a connector 3, and gas in the sampling airbag 1 is prevented from flowing out of the connector 3 by the one-way check valve 4.
Referring to fig. 1, a stop valve 6 is provided on the surface of a conduit 5, and the gas flowing through the conduit 5 is sealed by the stop valve 6 provided on the conduit 5 to prevent leakage.
Referring to fig. 1, a cannula 7 is provided at one end of the guide tube 5, and the gas of the sampling balloon 1 is discharged by inserting the cannula 7 into the detection vessel.
Referring to fig. 2, a positioning rubber 81 is disposed inside a connection portion of the sample injection device 8, a connector 3 is connected inside the positioning rubber 81, and the connector 3 is positioned and sealed by pressing the positioning rubber 81 inward.
The utility model discloses when concrete implementation: when the sampling device is used, the stop valve 6 is opened to extrude the sampling air bag 1 to discharge the air in the sampling air bag 1, then the stop valve 6 on the surface of the guide pipe 5 is closed, then the connector 3 is inserted into the inner side of the connecting part of the sampling device 8, the sampling air bag 1 is loosened, the sampling device 8 is opened to extrude the sampling air bag, the detection gas enters the sampling air bag 1 through the connector 3 through the connecting pipe 2, the sampling air bag 1 is restored, then the sampling air bag 1 is sealed to pull the connector 3 out of the inner part of the sampling device 8, the one-way check valve 4 is arranged on the surface of the connector 3, the one-way check valve 4 of the sampling air bag 1 is held to be closed, the stop valve 6 on the surface of the guide pipe 5 is closed, and therefore the.
Claims (5)
1. The utility model provides a gaseous sampling device among petrochemical detects, includes sample gasbag (1), its characterized in that: the surface of the sampling air bag (1) is fixedly connected with a connecting pipe (2) and a guide pipe (5), the surface of the connecting pipe (2) is provided with a connector (3), and one end of the connector (3) is inserted into the inner side of the connecting part of the sample feeding device (8).
2. The petrochemical detection gas sampling device according to claim 1, wherein: the surface of the joint (3) is provided with a one-way check valve (4).
3. The petrochemical detection gas sampling device according to claim 1, wherein: the surface of the conduit (5) is provided with a stop valve (6).
4. The petrochemical detection gas sampling device according to claim 1, wherein: one end of the guide pipe (5) is provided with an insertion pipe (7).
5. The petrochemical detection gas sampling device according to claim 1, wherein: the inboard of connecting portion of sampling device (8) is provided with location rubber (81), and the inboard of location rubber (81) is connected with joint (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332510.XU CN211292222U (en) | 2019-12-23 | 2019-12-23 | Gas sampling device in petrochemical detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922332510.XU CN211292222U (en) | 2019-12-23 | 2019-12-23 | Gas sampling device in petrochemical detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211292222U true CN211292222U (en) | 2020-08-18 |
Family
ID=72022728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922332510.XU Active CN211292222U (en) | 2019-12-23 | 2019-12-23 | Gas sampling device in petrochemical detects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211292222U (en) |
-
2019
- 2019-12-23 CN CN201922332510.XU patent/CN211292222U/en active Active
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