CN211574774U - Automatic gas purging device - Google Patents
Automatic gas purging device Download PDFInfo
- Publication number
- CN211574774U CN211574774U CN202020108031.XU CN202020108031U CN211574774U CN 211574774 U CN211574774 U CN 211574774U CN 202020108031 U CN202020108031 U CN 202020108031U CN 211574774 U CN211574774 U CN 211574774U
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- China
- Prior art keywords
- gas
- pipeline
- nitrogen
- valve
- diffusing
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- 238000010926 purge Methods 0.000 title claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000007789 gas Substances 0.000 claims abstract description 71
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 239000003034 coal gas Substances 0.000 abstract description 18
- 238000010408 sweeping Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to an automatic device that sweeps of coal gas, including gas piping, nitrogen gas pipeline and diffuse mechanism. The gas pipeline is provided with a purging port; the nitrogen pipeline is connected to the purging port through a connecting pipeline, and a first blind plate valve and a first butterfly valve are sequentially arranged on the connecting pipeline from the gas end to the nitrogen end; the diffusing mechanism is provided with a plurality of diffusing pipelines, the diffusing mechanism comprises a second butterfly valve and a second blind plate valve which are connected to the gas pipeline, a second butterfly valve and a second blind plate valve are sequentially arranged on each diffusing pipeline from the starting end to the far end, the diffusing tail end of each diffusing pipeline is sequentially connected with a nitrogen sampling pipe and a gas sampling pipe, the nitrogen sampling pipes are connected to a nitrogen detector, and the gas sampling pipes are connected to a gas detector. The utility model discloses simple structure, convenient to use can simple and direct effectual sweeping coal gas, avoid taking place the incident.
Description
Technical Field
The utility model relates to a coal gas sweeps the field, especially relates to an automatic device that sweeps of coal gas.
Background
Along with the development of industrial mass production, the manufacturing amount of coal gas is greatly increased, the accident spread range is large, and group death and group damage sometimes occur. When equipment and pipelines are overhauled, the frequent accident occurrence stage is often required to carry out purging replacement operation, and particularly, when the operation of blast furnace gas, coke oven gas, converter gas, hardness furnace gas and the like of iron and steel enterprises is carried out, the operation steps are complex, the program requirement is strict, the leakage hazard range is wide when misoperation occurs, and personal safety accidents are easily caused.
The existing gas purging is manual purging, which is very troublesome, time-consuming and labor-consuming, and the operator may be poisoned by gas during purging.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a use convenient, use manpower sparingly automatic device that sweeps of coal gas.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides an automatic device that sweeps of coal gas, include:
the gas pipeline is provided with a quick-cutting valve, a pressure sensor is arranged in the gas pipeline, and a purging opening is formed in the gas pipeline;
the nitrogen pipeline is connected to the purging port through a connecting pipeline, and a first blind plate valve and a first butterfly valve are sequentially arranged on the connecting pipeline from the gas end to the nitrogen end;
the diffusion mechanism, the diffusion mechanism has a plurality ofly, the diffusion mechanism is including connecting the diffusion pipeline on the gas pipeline, every from the initiating terminal to the distal end on the diffusion pipeline has set gradually second butterfly valve and second blind plate valve, the diffusion end of diffusion pipeline has connected gradually nitrogen gas sampling tube and gas sampling tube, the nitrogen gas sampling tube is connected to the nitrogen gas detector, the gas sampling tube is connected to the gas detector.
Furthermore, a nitrogen detection sensor is arranged at the position where the gas pipeline is connected with the nitrogen pipeline, and the nitrogen sensor is connected with the nitrogen detector.
Furthermore, the gas pipeline is composed of a plurality of sections, and gas detection sensors are arranged at the joints of two adjacent ends and connected to the gas alarm.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses an automatic device that sweeps of coal gas, simple structure, convenient to use can simple and direct effectual sweep coal gas, avoid taking place the incident.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an automatic gas purging device according to an embodiment of the present invention;
fig. 2 is a schematic view showing the connection of a gas pipe and a nitrogen pipe.
Wherein the reference numerals are as follows:
1. a gas pipeline; 11. a quick-cut valve.
2. A nitrogen gas pipeline; 21. a first blind plate valve; 22. a first butterfly valve.
3. A diffusing mechanism; 31. a blow-off line; 32. a second butterfly valve; 33. a second blind plate valve; 34. a nitrogen detector; 35. a gas detector; 36. and (7) capping.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The automatic gas purging device shown in fig. 1 and 2 comprises a gas pipeline 1, a nitrogen pipeline 2 and a diffusing mechanism 3.
The gas pipeline 1 is provided with a quick-cut valve 11, a pressure sensor is arranged in the gas pipeline, the gas pipeline 1 is provided with a purging port, and the purging port is generally arranged between the quick-cut valve 11 and a gas input port; the nitrogen pipeline 2 is connected to the purging port through a connecting pipeline, and a first blind plate valve 21 and a first butterfly valve 22 are sequentially arranged on the connecting pipeline from the gas end to the nitrogen end;
the diffusing mechanism 3 has a plurality of, diffusing mechanism 3 is between fast cutting valve 11 and the coal gas input port, diffusing mechanism 3 is including connecting the pipeline 31 that diffuses on the gas pipeline 1, diffuse on the pipeline 31 and with the gas pipeline 1 junction is provided with the diffusion valve, every diffuse and have set gradually second butterfly valve 32 and second blind plate valve 33 from the initiating terminal to the distal end on the pipeline 31, the end of diffusing of pipeline 31 has connected gradually nitrogen gas sampling tube and coal gas sampling tube, the nitrogen gas sampling tube is connected to nitrogen gas detector 34, the coal gas sampling tube is connected to coal gas detector 35.
The distal end of the diffusing pipe 31 is covered with a cap 36, and the cap 36 has a cap switch thereon.
And a nitrogen detection sensor is arranged at the position where the gas pipeline 1 is connected with the nitrogen pipeline 2, and the nitrogen detection sensor is connected with the nitrogen detector 34 and can detect the leakage condition of nitrogen.
The gas pipeline 1 is composed of a plurality of sections, the joint of two adjacent ends is provided with a gas detection sensor, the gas detection sensor is connected to a gas alarm, and when gas leaks, the gas alarm can give an alarm in time.
The gas detection device is characterized by further comprising a controller, wherein the gas detection sensor and the nitrogen detection sensor are connected to the input end of the controller, and the quick-cutting valve 11, the first blind plate valve 21, the first butterfly valve 22, the blow-off valve, the second butterfly valve 32, the second blind plate valve 33, the nitrogen sampling pipe, the gas sampling pipe, the nitrogen detector 34, the gas detector 35, the cap 36 switch and the gas alarm are all connected to the output end of the controller.
In a normal state, the quick-cut valve 11, the first blind plate valve 21, the first butterfly valve 22, the blow-off valve, the second butterfly valve 32, the second blind plate valve 33 and the cap are all closed;
under the purging state, the gas transmission is closed, the pipeline pressure is reduced, the pressure sensor detects that the pipeline pressure is reduced, a signal is sent to the controller, and the controller controls the quick-cutting valve on the gas pipeline to be closed; opening a first blind plate valve 21 and a first butterfly valve 22 on the connecting pipeline to enable nitrogen to enter the gas pipeline 1; controlling to open a cap switch on the diffusing pipeline 31 to expose the top of the diffusing pipeline 31; opening a second blind plate valve 33, a second butterfly valve 32 and a bleeding valve to bleed the gas, and continuously replacing the air in the gas pipeline 1 with nitrogen; diffusing for 10-30 minutes, sampling by using a nitrogen sampling tube and a coal gas sampling tube, and sending the samples to a nitrogen detector 34 and a coal gas detector 35 for detection, wherein the coal gas detector 35 detects that the oxygen gauge value reaches below 2%, and when the coal gas gauge value reaches below 24ppm, the purging is qualified;
when the purging is qualified, the first butterfly valve 22 and the first blind plate valve 21 on the connecting pipeline are closed in sequence, and the cover cap switch, the second blind plate valve 33, the second butterfly valve 32 and the blow-off valve are closed.
The utility model discloses simple structure, convenient to use can simple and direct effectual sweeping coal gas, have avoided the manual work to sweep and have taken place the incident, insert automatic system at present and increase automated inspection and automatic logic control and realize that a key sweeps.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. An automatic gas purging device is characterized by comprising:
the gas pipeline is provided with a quick-cutting valve, a pressure sensor is arranged in the gas pipeline, and a purging opening is formed in the gas pipeline;
the nitrogen pipeline is connected to the purging port through a connecting pipeline, and a first blind plate valve and a first butterfly valve are sequentially arranged on the connecting pipeline from the gas end to the nitrogen end;
the diffusion mechanism, the diffusion mechanism has a plurality ofly, the diffusion mechanism is including connecting the diffusion pipeline on the gas pipeline, every from the initiating terminal to the distal end on the diffusion pipeline has set gradually second butterfly valve and second blind plate valve, the diffusion end of diffusion pipeline has connected gradually nitrogen gas sampling tube and gas sampling tube, the nitrogen gas sampling tube is connected to the nitrogen gas detector, the gas sampling tube is connected to the gas detector.
2. The automatic gas purging device according to claim 1, wherein: and a nitrogen detection sensor is arranged at the position where the gas pipeline is connected with the nitrogen pipeline, and the nitrogen detection sensor is connected with the nitrogen detector.
3. The automatic gas purging device according to claim 1, wherein: the gas pipeline is composed of a plurality of sections, and gas detection sensors are arranged at the joints of two adjacent ends and connected to the gas alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020108031.XU CN211574774U (en) | 2020-01-17 | 2020-01-17 | Automatic gas purging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020108031.XU CN211574774U (en) | 2020-01-17 | 2020-01-17 | Automatic gas purging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574774U true CN211574774U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020108031.XU Active CN211574774U (en) | 2020-01-17 | 2020-01-17 | Automatic gas purging device |
Country Status (1)
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| CN (1) | CN211574774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951156A (en) * | 2022-05-18 | 2022-08-30 | 广东韶钢松山股份有限公司 | Purging device and method for gas supply equipment, gas supply system, equipment and storage medium |
| CN116241804A (en) * | 2023-03-02 | 2023-06-09 | 北京首钢股份有限公司 | Gas pipeline control system and remote control method thereof |
-
2020
- 2020-01-17 CN CN202020108031.XU patent/CN211574774U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951156A (en) * | 2022-05-18 | 2022-08-30 | 广东韶钢松山股份有限公司 | Purging device and method for gas supply equipment, gas supply system, equipment and storage medium |
| CN114951156B (en) * | 2022-05-18 | 2023-10-20 | 广东韶钢松山股份有限公司 | Purging device and method for air supply equipment, air supply system, equipment and storage medium |
| CN116241804A (en) * | 2023-03-02 | 2023-06-09 | 北京首钢股份有限公司 | Gas pipeline control system and remote control method thereof |
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