CN216747011U - Waste gas detection sampling device - Google Patents
Waste gas detection sampling device Download PDFInfo
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- CN216747011U CN216747011U CN202123305816.XU CN202123305816U CN216747011U CN 216747011 U CN216747011 U CN 216747011U CN 202123305816 U CN202123305816 U CN 202123305816U CN 216747011 U CN216747011 U CN 216747011U
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- pipeline
- pipe
- waste gas
- fixed pipe
- sealing plug
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Abstract
The utility model provides a waste gas detection sampling device, which comprises a pipeline for conveying waste gas, and also comprises: the fixed pipe extends into the pipeline and is fixedly connected with the pipeline, one end of the fixed pipe extending into the pipeline is sealed, and an air inlet hole is formed in the outer wall of the fixed pipe positioned in the pipeline; the sliding pipe is rotatably connected with the fixed pipe and matched with the fixed pipe, and a vent hole communicated with the air inlet hole is formed in the sliding pipe; the sealing plug, sealing plug fixed connection be located the pipeline outside one end in the slip pipe, the intercommunication has the sampling tube on the sealing plug, be provided with the ooff valve on the sampling tube, it has solved the waste gas that can't accurately detect each section point in the pipeline to take place waste gas easily and reveal when collecting waste gas, the technical problem of polluted environment has produced and has realized taking a sample as required in each outer fixed point position of pipeline, convenient operation, and the sample is accurate, and has avoided revealing of waste gas, the beneficial effect of environmental protection.
Description
Technical Field
The utility model relates to the technical field of industrial waste gas treatment, in particular to a waste gas detection sampling device.
Background
In the prior art, when the sample is examined to the sealed pipeline of industrial waste gas, the usual way is to use the collecting pipe to carry out waste gas collection at the pipeline end, and the waste gas of each section point in this kind of operation mode can't accurate detection pipeline, and it is too low to detect the accuracy to take place waste gas easily and reveal when collecting waste gas, the polluted environment.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a waste gas detection sampling device, which solves the problems that waste gas at each section point in a pipeline cannot be accurately detected, the detection accuracy is too low, waste gas leakage is easy to occur when the waste gas is collected, and the environment is polluted in the prior art.
According to an embodiment of the present invention, an exhaust gas detecting and sampling device includes a pipe for conveying exhaust gas, and further includes: the fixed pipe extends into the pipeline and is fixedly connected with the pipeline, one end of the fixed pipe extending into the pipeline is sealed, and an air inlet hole is formed in the outer wall of the fixed pipe positioned in the pipeline; the sliding pipe is rotatably connected with the fixed pipe and matched with the fixed pipe, and a vent hole communicated with the air inlet hole is formed in the sliding pipe; the sealing plug is fixedly connected to one end, located outside the pipeline, of the sliding pipe, the sealing plug is communicated with a sampling pipe, and a switch valve is arranged on the sampling pipe.
The technical principle of the utility model is as follows: the position of pipeline fixed point to be detected is provided with a through hole, a fixed pipe is arranged at the through hole, then a sliding pipe with a sealing plug is matched with the fixed pipe, when sampling is not needed, the air vent of the sliding pipe is staggered with the air inlet of the fixed pipe, and a switch valve is closed, the switch valve can be a ball valve, when sampling is needed, the sliding pipe is firstly rotated to ensure that the air vent of the sliding pipe is rotated to be communicated with the air vent of the fixed pipe, an extraction device such as a suction negative pressure device is used for connecting with the sampling pipe, then the switch valve is opened, after the gas in the sliding pipe is stabilized, the sliding pipe is rotated to ensure that the air vent is staggered with the air inlet, then the gas in the sliding pipe is extracted by using the extraction device, the extraction device is taken away, after the gas pressure in the sliding pipe is stabilized, the switch valve is closed to finish sampling, sampling can be realized at each external fixed point position of the pipeline according to the needs, the operation is convenient, and the sampling is accurate, and the leakage of waste gas is avoided, and the environment is protected.
Compared with the prior art, the utility model has the following beneficial effects: through the coincidence and the separation of adjusting air vent and inlet port at fixed intraductal rotation sliding tube, cooperate the ooff valve again to come to take a sample the gas in the sliding tube, it has solved the waste gas that can't accurate detection each section point in the pipeline, it is too low to detect the accuracy, and take place waste gas easily and reveal when collecting waste gas, the technical problem of polluted environment, the realization has been produced and has been taken a sample as required in each outer fixed point position of pipeline, high durability and convenient operation, the sample is accurate, and avoid revealing of waste gas, the beneficial effect of environmental protection.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the embodiment of the utility model.
In the above drawings: 1. a pipeline; 2. a fixed tube; 21. an air inlet; 22. a second marker post; 23. a third gasket; 3. a sliding tube; 31. a vent hole; 32. a rotating plate; 33. a first post; 34. a second gasket; 4. a sealing plug; 41. a sampling tube; 42. an on-off valve; 43. a first gasket.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1, an embodiment of the present invention provides an exhaust gas detecting and sampling device, including a pipeline 1 for conveying exhaust gas, further including: the fixed pipe 2 extends into the pipeline 1, is fixedly connected with the pipeline 1, and has one sealed end extending into the pipeline 1, and the outer wall of the fixed pipe 2 positioned in the pipeline 1 is provided with an air inlet 21; the sliding pipe 3 is rotatably connected with the fixed pipe 2 and matched with the fixed pipe, and the sliding pipe 3 is provided with a vent hole 31 communicated with the air inlet hole 21; the sealing plug 4 is fixedly connected to one end, located outside the pipeline 1, of the sliding pipe 3, the sealing plug 4 is communicated with a sampling pipe 41, and a switch valve 42 is arranged on the sampling pipe 41.
The specific working process is as follows: the position of a fixed point of a pipeline 1 to be detected is provided with a through hole, a fixed pipe 2 is arranged at the through hole, then a sliding pipe 3 with a sealing plug 4 is matched with the fixed pipe 2, when sampling is not needed, an air vent 31 of the sliding pipe 3 is staggered with an air inlet 21 of the fixed pipe 2, a switch valve 42 is closed, the switch valve 42 can be a spherical valve, when sampling is needed, the sliding pipe 3 is firstly rotated, the air vent 31 of the sliding pipe 3 is rotated to be communicated with the air inlet 21 of the fixed pipe 2, an extraction device such as a suction negative pressure device is connected with a sampling pipe 41, then the switch valve 42 is opened, after the gas in the sliding pipe 3 is stabilized, the sliding pipe 3 is rotated to make the air vent 31 staggered with the air inlet 21, then the gas in the sliding pipe 3 is extracted by using the extraction device, the extraction device is taken away, after the pressure in the sliding pipe 3 is stabilized, the switch valve 42 is closed, sampling is completed, and sampling can be realized at each external fixed point of the pipeline 1 according to the needs, convenient operation, the sample is accurate to avoid revealing of waste gas, the environmental protection.
According to another embodiment of the utility model, as shown in fig. 1, in the exhaust gas detecting and sampling device, the sealing plug 4 is in threaded connection with the sliding tube 3, and after the vent hole 31 is misaligned with the air inlet hole 21, the sealing plug 4 can be taken out to clean attachments in the sliding tube 3, so that the detection accuracy is ensured.
According to another embodiment of the present invention, as shown in fig. 1, a first gasket 43 is installed between the sealing plug 4 and the sliding tube 3, so as to improve the sealing performance between the sealing plug 4 and the sliding tube 3 and prevent the exhaust gas from leaking to pollute the environment.
According to another embodiment of the present invention, as shown in fig. 1, a regular hexagonal rotating plate 32 is fixedly connected to the outer wall of the sliding tube 3 outside the pipeline 1, so that the sliding tube 3 can be rotated conveniently, and the vent hole 31 of the sliding tube 3 is dislocated or overlapped with the air inlet hole 21 of the fixed tube 2, which is convenient for operation.
According to another embodiment of the present invention, as shown in fig. 1, a second gasket 34 is installed between the rotating plate 32 and the fixed pipe 2 to improve the sealing performance between the fixed pipe 2 and the sliding pipe 3 and prevent the exhaust gas from leaking and polluting the environment.
According to another embodiment of the present invention, as shown in fig. 1, in an exhaust gas sampling device, a first marker post 33 is fixedly connected to a rotating plate 32, a second marker post 22 is fixedly connected to an outer wall of a fixed pipe 2, and when an air vent 31 and an air inlet 21 are overlapped, the first marker post 33 and the second marker post 22 are overlapped, so that the observation is facilitated to rapidly control the overlapping and the dislocation of the air vent 31 and the air inlet 21.
According to another embodiment of the present invention, as shown in fig. 1, a third gasket 23 is installed between the fixed pipe 2 and the pipeline 1, so that the sealing performance between the fixed pipe 2 and the pipeline 1 is improved, and the pollution of the environment caused by the leakage of exhaust gas is avoided.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. An exhaust gas detection sampling device, includes the pipeline that carries the waste gas, its characterized in that still includes: the fixed pipe extends into the pipeline and is fixedly connected with the pipeline, one end of the fixed pipe extending into the pipeline is sealed, and an air inlet hole is formed in the outer wall of the fixed pipe positioned in the pipeline; the sliding pipe is rotatably connected with the fixed pipe and matched with the fixed pipe, and a vent hole communicated with the air inlet hole is formed in the sliding pipe; the sealing plug is fixedly connected to one end, located outside the pipeline, of the sliding pipe, the sealing plug is communicated with a sampling pipe, and a switch valve is arranged on the sampling pipe.
2. An exhaust gas sampling device according to claim 1, wherein: the sealing plug is in threaded connection with the sliding pipe.
3. An exhaust gas sampling device according to claim 2, wherein: and a first gasket is arranged between the sealing plug and the sliding tube.
4. An exhaust gas sampling device according to any one of claims 1 to 3, wherein: the outer wall of the sliding pipe, which is positioned outside the pipeline, is fixedly connected with a regular hexagon rotating plate.
5. An exhaust gas sampling device according to claim 4, wherein: and a second gasket is arranged between the rotating plate and the fixed pipe.
6. An exhaust gas sampling device according to claim 5, wherein: the rotating plate is fixedly connected with a first marker post, and the outer wall of the fixed pipe is fixedly connected with a second marker post.
7. An exhaust gas sampling device according to claim 1 or 6, wherein: and a third gasket is arranged between the fixed pipe and the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305816.XU CN216747011U (en) | 2021-12-27 | 2021-12-27 | Waste gas detection sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305816.XU CN216747011U (en) | 2021-12-27 | 2021-12-27 | Waste gas detection sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216747011U true CN216747011U (en) | 2022-06-14 |
Family
ID=81938350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123305816.XU Active CN216747011U (en) | 2021-12-27 | 2021-12-27 | Waste gas detection sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216747011U (en) |
-
2021
- 2021-12-27 CN CN202123305816.XU patent/CN216747011U/en active Active
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