CN218212209U - Sample feeding device for toxic and harmful gas - Google Patents
Sample feeding device for toxic and harmful gas Download PDFInfo
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- CN218212209U CN218212209U CN202221347617.7U CN202221347617U CN218212209U CN 218212209 U CN218212209 U CN 218212209U CN 202221347617 U CN202221347617 U CN 202221347617U CN 218212209 U CN218212209 U CN 218212209U
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Abstract
The utility model discloses a sampling device for poisonous and harmful gas belongs to poisonous and harmful gas and advances a kind technical field. Including sample analysis gas cylinder, nitrogen gas cylinder, the vacuum pump, waste liquid bucket and analytical instrument, the gas transmission branch pipe is all connected to the delivery outlet of sample analysis gas cylinder and nitrogen gas cylinder, two gas transmission branch pipes pass through the three-way valve and are connected with the input of gas transmission house steward, the output and the analytical instrument of gas transmission house steward are connected, be provided with two three-way valves on the gas transmission house steward, two three-way valves connect unloading pipeline and evacuation pipeline respectively, waste liquid bucket is connected to the output of unloading pipeline, the vacuum pump is connected to the output of evacuation pipeline. The utility model discloses utilize means such as vacuum pump and unloading and absorption with poisonous and harmful gas exhaust analysis room, then adopt appropriate mode to absorb it and handle, reduce its injury to the human body to the at utmost, the utility model discloses simple structure, economical and practical operates safe in utilization, convenient to popularize and use.
Description
Technical Field
The utility model relates to a poisonous and harmful gas advances kind technical field, concretely relates to a sampling device for poisonous and harmful gas.
Background
In the gas industry, the analysis and sample introduction of some poisonous and harmful gas samples and finished products has high danger, accidents and accidents are easy to occur, particularly, in some analysis laboratories with small space and high airtightness, poisonous and harmful gas is directly introduced by adopting a conventional sample introduction method, poisoning events are inevitable, the toxic and harmful gas harms human organs, and the life is seriously threatened. Particularly those that are particularly toxic, such as silane, chlorine, fluorine, and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling device for poisonous and harmful gas to the problem of proposing among the above-mentioned background art has been solved.
The utility model adopts the technical scheme as follows:
the utility model provides a sampling device for poisonous and harmful gas, includes sample analysis gas cylinder 1, nitrogen gas cylinder 2, vacuum pump 3, waste liquid bucket 4 and analytical instrument 5, gas transmission branch 6 is all connected to sample analysis gas cylinder 1 and nitrogen gas cylinder 2's delivery outlet, and two gas transmission branch 6 are connected with gas transmission house steward 8's input through three-way valve 7, and gas transmission house steward 8's output is connected with analytical instrument 5, is provided with two three-way valves 7 on the gas transmission house steward 8, and two three-way valves 7 are connected unloading pipeline 9 and evacuation pipeline 10 respectively, and waste liquid bucket 4 is connected to unloading pipeline 9's output, and vacuum pump 3 is connected to the output of evacuation pipeline 10.
And a pressure reducing valve 11 is arranged on the gas transmission branch pipe 6.
And the emptying pipeline 9, the vacuumizing pipeline 10 and the gas transmission main pipe 8 are all provided with stop valves 12.
The stop valve 12 on the gas transmission main pipe 8 is arranged between the analytical instrument 5 and a three-way valve connected with the vacuumizing pipeline 10.
And a toxic and harmful gas adsorption barrel is arranged at the exhaust port of the vacuum pump 3.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model arranges the emptying pipeline and the vacuum pumping pipeline through the three-way valve, discharges the poisonous and harmful gas out of the analysis chamber by means of vacuum pump, emptying, adsorption and the like, and then absorbs and disposes the poisonous and harmful gas by adopting a proper mode, thereby reducing the injury to the human body to the maximum extent; meanwhile, the toxic and harmful gas is analyzed and sampled after being swept and replaced, so that the accident caused by the fact that the toxic and harmful gas is unintentionally released to an analysis chamber when the toxic and harmful gas is swept and replaced and a bottle is replaced can be avoided to the maximum extent. In conclusion, the device has the advantages of simple structure, economy, practicality, safe operation and use and convenient popularization and use.
Drawings
FIG. 1 is a schematic view of the present invention;
shown in the figure: a sample analysis cylinder 1; a nitrogen gas cylinder 2; a vacuum pump 3; a waste liquid barrel 4; an analytical instrument 5; a gas delivery branch pipe 6; a three-way valve 7; a gas transmission main pipe 8; a vent line 9; a vacuum pumping pipeline 10; a pressure reducing valve 11; a shut-off valve 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
If fig. 1, this embodiment provides a sampling device for poisonous and harmful gas, including sample analysis gas cylinder 1, nitrogen gas cylinder 2, vacuum pump 3, waste liquid bucket 4 and analytical instrument 5, gas transmission branch 6 is all connected to the delivery outlet of sample analysis gas cylinder 1 and nitrogen gas cylinder 2, and two gas transmission branch 6 are connected with gas transmission house steward 8's input through three-way valve 7, and gas transmission house steward 8's output is connected with analytical instrument 5, is provided with two three-way valves 7 on the gas transmission house steward 8, and evacuation pipeline 9 and evacuation pipeline 10 are connected respectively to two three-way valves 7, and waste liquid bucket 4 is connected to the output of evacuation pipeline 9, and vacuum pump 3 is connected to the output of evacuation pipeline 10.
And a pressure reducing valve 11 is arranged on the gas transmission branch pipe 6.
And the emptying pipeline 9, the vacuumizing pipeline 10 and the gas transmission main pipe 8 are all provided with stop valves 12.
The stop valve 12 on the gas transmission main pipe 8 is arranged between the analytical instrument 5 and a three-way valve connected with the vacuumizing pipeline 10.
And a toxic and harmful gas adsorption barrel is arranged at the exhaust port of the vacuum pump 3.
The utility model discloses the theory of use does, utilizes means such as vacuum pump evacuation and absorption, with poisonous and harmful gas exhaust analysis room, then adopts appropriate mode to absorb it and handle, reduces its injury to the human body to the at utmost, and concrete content is as follows:
connecting a poisonous and harmful sample analysis gas cylinder and a nitrogen gas cylinder by using a three-way valve, wherein the outlets of the gas cylinders are provided with corresponding pressure reducing valves; a gas transmission main pipe is led out from the last interface of the three-way valves, two three-way valves are continuously used on the gas transmission main pipe to respectively connect a vent pipeline and a vacuum pumping pipeline, and each pipeline is provided with a stop valve; the emptying pipeline is led to a corresponding waste liquid barrel to adsorb toxic and harmful gases, the vacuumizing pipeline is connected with an anti-corrosion vacuum pump, and the exhaust port of the vacuum pump is also used for treating the toxic and harmful gases by adopting the toxic and harmful gas adsorption barrel; finally, the analysis sample gas is connected with an analysis instrument, and analysis sampling is carried out after purging and replacement, so that the accidents caused by the fact that toxic and harmful gas is unintentionally released to an analysis chamber when purging and replacing bottles are replaced can be avoided to the maximum extent.
Claims (5)
1. The utility model provides a sampling device for poisonous and harmful gas, includes sample analysis gas cylinder (1), nitrogen gas cylinder (2), vacuum pump (3), waste liquid bucket (4) and analytical instrument (5), a serial communication port, gas transmission branch pipe (6) are all connected to the delivery outlet of sample analysis gas cylinder (1) and nitrogen gas cylinder (2), and two gas transmission branch pipe (6) are connected with the input of gas transmission house steward (8) through three-way valve (7), and the output and analytical instrument (5) of gas transmission house steward (8) are connected, are provided with two three-way valve (7) on gas transmission house steward (8), and unloading pipeline (9) and evacuation pipeline (10) are connected respectively to two three-way valve (7), and waste liquid bucket (4) are connected to the output of unloading pipeline (9), and vacuum pump (3) are connected to the output of evacuation pipeline (10).
2. The sampling device for toxic and harmful gas according to claim 1, which is characterized in that: and a pressure reducing valve (11) is arranged on the gas transmission branch pipe (6).
3. The sampling device for toxic and harmful gases according to claim 1, characterized in that: and the emptying pipeline (9), the vacuumizing pipeline (10) and the gas transmission main pipe (8) are respectively provided with a stop valve (12).
4. The sampling device for toxic and harmful gas according to claim 3, which is characterized in that: and a stop valve (12) on the gas transmission main pipe (8) is arranged between the analyzer (5) and a three-way valve connected with the vacuumizing pipeline (10).
5. The sampling device for toxic and harmful gases according to claim 1, characterized in that: and a toxic and harmful gas adsorption barrel is arranged at an exhaust port of the vacuum pump (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221347617.7U CN218212209U (en) | 2022-05-31 | 2022-05-31 | Sample feeding device for toxic and harmful gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221347617.7U CN218212209U (en) | 2022-05-31 | 2022-05-31 | Sample feeding device for toxic and harmful gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218212209U true CN218212209U (en) | 2023-01-03 |
Family
ID=84646387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221347617.7U Active CN218212209U (en) | 2022-05-31 | 2022-05-31 | Sample feeding device for toxic and harmful gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218212209U (en) |
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2022
- 2022-05-31 CN CN202221347617.7U patent/CN218212209U/en active Active
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