CN220930880U - Emergency cut-off device for combustible gas - Google Patents
Emergency cut-off device for combustible gas Download PDFInfo
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- CN220930880U CN220930880U CN202322691210.7U CN202322691210U CN220930880U CN 220930880 U CN220930880 U CN 220930880U CN 202322691210 U CN202322691210 U CN 202322691210U CN 220930880 U CN220930880 U CN 220930880U
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- combustible gas
- output device
- cylinder
- gas
- steel cylinder
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- 239000007789 gas Substances 0.000 claims abstract description 116
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000001301 oxygen Substances 0.000 claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000010935 stainless steel Substances 0.000 claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 60
- 239000010959 steel Substances 0.000 claims description 60
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 56
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model provides a combustible gas emergency cutting device which comprises an emergency cutting host, an alarm device, a power gas output device, a gas consumption point, a combustible gas output device, an oxygen output device and a nitrogen output device, wherein the combustible gas output device, the oxygen output device and the nitrogen output device are connected with the gas consumption point through a main pipeline, the power gas output device is connected with the input end of the emergency cutting host through a stainless steel pipe, the output end of the combustible gas output device is provided with a pneumatic diaphragm valve, the output end of the emergency cutting host is connected with the pneumatic diaphragm valve through the stainless steel pipe, the alarm device is connected with the emergency cutting host through a cable, the alarm device is connected with a monitoring probe through the cable, and the monitoring probe is positioned at the output end of the combustible gas output device. The device can close the combustible gas channel in a remote operation way after the combustible gas leaks through the pneumatic diaphragm valve, and static electricity can not be generated by utilizing the pneumatic diaphragm valve, so that the safety is improved.
Description
Technical Field
The utility model relates to the field of combustible gas, in particular to a combustible gas emergency cut-off device.
Background
Flammable and explosive gases are combustible gases, which are classified into various types, such as: oil gas, acetylene, methane, ethanol, or the like are combustible gases. The combustible gas has no fixed limit, any gas can be changed into the combustible gas, and the existence of oxygen is required.
The automatic cut-off valve for combustible gas is an important safety arrangement on the combustible gas pipeline, is used for cutting off and connecting the gas in the pipeline, and is suitable for various gas medium pipelines such as gas, liquefied petroleum gas, natural gas and the like. In the use process, when the pressure in the pipeline suddenly rises due to pipeline leakage, the automatic cut-off valve for the combustible gas can realize automatic cut-off under the high pressure of the gas. But the remote control can not be realized through the automatic cut-off valve of the combustible gas, the intelligent degree is not enough, and the current combustible gas cut-off device is easy to generate static electricity in the use process, and is very dangerous.
Therefore, it is necessary to design a combustible gas emergency shut-off device.
Disclosure of utility model
Aiming at the technical defects in the background technology, the utility model provides a combustible gas emergency cutting device, which solves the technical problems and meets the actual demands, and the specific technical scheme is as follows:
The utility model provides a combustible gas emergency cut-off device, includes emergency cut-off host computer, alarm device, power gas output device, uses gas point, combustible gas output device, oxygen output device and nitrogen gas output device pass through the trunk line and are connected with the gas point, power gas output device passes through stainless steel pipe and is connected with emergency cut-off host computer's input, combustible gas output device's output is provided with pneumatic diaphragm valve, emergency cut-off host computer's output passes through stainless steel pipe and is connected with pneumatic diaphragm valve, alarm device passes through the cable and is connected with emergency cut-off host computer, alarm device has monitor probe through cable connection, monitor probe is located combustible gas output device's output.
Further, the combustible gas output device comprises a methane steel cylinder, a first rotary valve is arranged at the top of the methane steel cylinder, a first steel cylinder connector is arranged at the output end of the methane steel cylinder, the first steel cylinder connector is communicated with the main pipeline through a first hose, and a first high-pressure ball valve, a safety valve and a first external thread connector are respectively arranged at the joint of the first hose and the main pipeline.
Further, the oxygen output device comprises an oxygen steel cylinder, and the structure of the output end of the oxygen steel cylinder is consistent with that of the output end of the methane steel cylinder.
Further, the nitrogen output device comprises a first nitrogen steel cylinder, and the structure of the output end of the first nitrogen steel cylinder is consistent with that of the output end of the methane steel cylinder.
Further, a first flame arrester is arranged on the main pipeline between the methane steel cylinder and the gas consumption point, and the pneumatic diaphragm valve is positioned between the first flame arrester and the gas consumption point.
Further, a second flame arrester is arranged on the main pipeline between the oxygen steel cylinder and the gas consumption point.
Further, a plurality of grounded connection points are arranged on the main pipeline between the methane steel cylinder and the gas consumption point.
Further, the power gas output device comprises a second nitrogen steel cylinder, a second rotary valve is arranged at the top of the second nitrogen steel cylinder, a second steel cylinder connector is arranged at the output end of the second nitrogen steel cylinder, the second steel cylinder connector is communicated with the stainless steel pipe through a second hose, and a second high-pressure ball valve and a second external thread connector are respectively arranged at the joint of the second hose and the stainless steel pipe.
Compared with the prior art, the combustible gas emergency cutting device provided by the utility model has the following beneficial effects:
According to the combustible gas emergency cut-off device, the pneumatic diaphragm valve is arranged, so that a combustible gas channel can be closed in a remote operation mode after combustible gas leaks, static electricity can not be generated by the pneumatic diaphragm valve, safety is improved, an alarm device is connected with an emergency cut-off host, whether the combustible gas leaks from a combustible gas output device or not can be detected in real time, safety is improved, a plurality of grounded connection points are arranged on a main pipeline between a methane steel cylinder and a gas consumption point, static electricity can be led to the ground, danger of the main pipeline due to the static electricity is avoided, and safety performance of the device is improved.
Drawings
Fig. 1 is a schematic structural view of a combustible gas emergency cut-off device in the present utility model.
Fig. 2 is a schematic structural diagram of a combustible gas output device in the present utility model.
Fig. 3 is a schematic structural diagram of a power gas output apparatus according to the present utility model.
The emergency cut-off main machine comprises a main machine 1, an alarm device 2, a gas consumption point 3, a main pipe 4, a main pipe 5, a stainless steel pipe 6, a pneumatic diaphragm valve 7, a monitoring probe 8, a methane steel bottle 9, a first rotary valve 10, a first steel bottle connector 11, a first hose 12, a first high-pressure ball valve 13, a safety valve 14, a first external wire connector 15, an oxygen steel bottle 16, a first nitrogen steel bottle 17, a first flame arrester 18, a second flame arrester 19, a connecting point 20, a second nitrogen steel bottle 21, a second rotary valve 22, a second steel bottle connector 23, a second hose 24, a second high-pressure ball valve 25 and a second external wire connector.
Detailed Description
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "middle," "inner," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Embodiments of the present utility model will be described below with reference to the accompanying drawings and examples, but the embodiments of the present utility model are not limited to the following examples, and the present utility model relates to the relevant essential parts in the art, and should be regarded as known and understood by those skilled in the art.
Referring to fig. 1-3, a flammable gas emergency cut-off device is used for cutting off a flammable gas channel in an emergency, and comprises an emergency cut-off host 1, an alarm device 2, a power gas output device, a gas consumption point 3, a flammable gas output device, an oxygen output device and a nitrogen output device, wherein the emergency cut-off host 1 is used for controlling to cut off the flammable gas output channel, the alarm device 2 is used for detecting whether the flammable gas leaks and feeding back to the emergency cut-off host 1, the power gas output device is used for cutting off the power of the emergency cut-off host 1 through the cut-off, the gas consumption point 3 is a place for using the flammable gas, the oxygen and the nitrogen, and the flammable gas output device, the oxygen output device and the nitrogen output device are respectively used for outputting the flammable gas, the oxygen and the nitrogen for the gas consumption point 3.
The combustible gas output device, the oxygen output device and the nitrogen output device are connected with the gas utilization point 3 through the main pipeline 4, and the main pipeline 4 uses a through-wall sleeve when passing through a wall. The power gas output device is connected with the input end of the emergency cut-off host machine 1 through a stainless steel pipe 5 to provide output power for the emergency cut-off host machine 1, the output end of the combustible gas output device is provided with a pneumatic diaphragm valve 6, the output end of the emergency cut-off host machine 1 is connected with the pneumatic diaphragm valve 6 through the stainless steel pipe 5, the power gas output device outputs power gas to the emergency cut-off host machine 1, and the emergency cut-off host machine 1 can close the pneumatic diaphragm valve 6 through the power gas, so that the main pipeline 4 of the combustible gas output device is closed. The alarm device 2 is connected with the emergency cutting host 1 through a cable, the alarm device 2 is connected with a monitoring probe 7 through the cable, and the monitoring probe 7 is positioned at the output end of the combustible gas output device. When the monitoring probe 7 monitors that the combustible gas output device leaks the combustible gas, the alarm device 2 can feed back to the emergency cut-off host computer 1 through a cable line, and the emergency cut-off host computer 1 can cut off the output of the combustible gas.
In one embodiment of the present utility model, the combustible gas output device includes a methane steel cylinder 8, a first rotary valve 9 is disposed at the top of the methane steel cylinder 8, the output end of the methane steel cylinder 8 can be opened by the first rotary valve 9, a first steel cylinder connector 10 is disposed at the output end of the methane steel cylinder 8, the first steel cylinder connector 10 is communicated with the main pipe 4 through a first hose 11, and combustible gas is sent into the main pipe 4, and a first high-pressure ball valve 12, a safety valve 13 and a first external thread connector 14 are disposed at the connection position of the first hose 11 and the main pipe 4, so that safety of the methane steel cylinder 8 can be achieved.
The oxygen output device comprises an oxygen steel bottle 15, and the structure of the output end of the oxygen steel bottle 15 is consistent with that of the output end of the methane steel bottle 8. The nitrogen output device comprises a first nitrogen steel cylinder 16, and the structure of the output end of the first nitrogen steel cylinder 16 is consistent with that of the output end of the methane steel cylinder 8.
In another embodiment of the utility model, the first flame arrestor 17 is arranged on the main pipeline 4 between the methane steel cylinder 8 and the gas utilization point 3, so that the fire can be prevented from spreading to the gas utilization point 3 after the fire is started, and the pneumatic diaphragm valve 6 is positioned between the first flame arrestor 17 and the gas utilization point 3.
The second flame arrestor 18 is arranged on the main pipeline 4 between the oxygen steel cylinder 15 and the gas utilization point 3, so that the fire can be prevented from spreading to the gas utilization point 3 after the fire is started.
The main pipeline 4 between the methane steel cylinder 8 and the gas consumption point 3 is provided with a plurality of grounded connection points 19, so that the danger caused by static electricity can be avoided, and the safety of the device is improved.
The power gas output device comprises a second nitrogen steel cylinder 20, a second rotary valve 21 is arranged at the top of the second nitrogen steel cylinder 20, a second steel cylinder connector 22 is arranged at the output end of the second nitrogen steel cylinder 20, the second steel cylinder connector 22 is communicated with the stainless steel pipe 5 through a second hose 23, and a second high-pressure ball valve 24 and a second external thread connector are respectively arranged at the joint of the second hose 23 and the stainless steel pipe 5.
According to the combustible gas emergency cut-off device, the pneumatic diaphragm valve 6 is arranged, so that a combustible gas channel can be closed in a remote operation mode after combustible gas leaks, static electricity can not be generated by utilizing the pneumatic diaphragm valve 6, safety is improved, the alarm device 2 is connected with the emergency cut-off host 1, whether the combustible gas leaks from the combustible gas output device or not can be detected in real time, safety is improved, a plurality of grounded connection points 19 are arranged on the main pipeline 4 between the methane steel cylinder 8 and the gas utilization point 3, the static electricity can be led to the ground, danger caused by the static electricity of the main pipeline 4 is avoided, and safety performance of the device is improved.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The utility model provides a combustible gas emergency cut-off device, its characterized in that, including emergency cut-off host computer (1), alarm device (2), power gas output device, with atmospheric pressure point (3), combustible gas output device, oxygen output device and nitrogen gas output device are connected with atmospheric pressure point (3) through trunk line (4), power gas output device is connected with the input of emergency cut-off host computer (1) through nonrust steel pipe (5), the output of combustible gas output device is provided with pneumatic diaphragm valve (6), the output of emergency cut-off host computer (1) is connected with pneumatic diaphragm valve (6) through nonrust steel pipe (5), alarm device (2) are connected with emergency cut-off host computer (1) through the cable, alarm device (2) have monitor probe (7) through cable connection, monitor probe (7) are located the output of combustible gas output.
2. The combustible gas emergency cut-off device according to claim 1, wherein the combustible gas output device comprises a methane steel cylinder (8), a first rotary valve (9) is arranged at the top of the methane steel cylinder (8), a first steel cylinder joint (10) is arranged at the output end of the methane steel cylinder (8), the first steel cylinder joint (10) is communicated with the main pipeline (4) through a first hose (11), and a first high-pressure ball valve (12), a safety valve (13) and a first external thread joint (14) are respectively arranged at the joint of the first hose (11) and the main pipeline (4).
3. A combustible gas emergency shut-off device as in claim 2 wherein the oxygen delivery means comprises an oxygen cylinder (15), the structure of the delivery end of the oxygen cylinder (15) being identical to the structure of the delivery end of the methane cylinder (8).
4. A combustible gas emergency shut-off device as in claim 2 wherein the nitrogen delivery means comprises a first nitrogen cylinder (16), the first nitrogen cylinder (16) delivery end being of a configuration consistent with the configuration of the methane cylinder (8) delivery end.
5. A combustible gas emergency shut-off device according to claim 2, characterised in that a first flame arrester (17) is arranged on the main conduit (4) between the methane cylinder (8) and the gas consumption point (3), and the pneumatic diaphragm valve (6) is located between the first flame arrester (17) and the gas consumption point (3).
6. A combustible gas emergency shut-off device according to claim 3, characterised in that a second flame arrester (18) is arranged on the main conduit (4) between the oxygen cylinder (15) and the gas consumption point (3).
7. A combustible gas emergency shut-off device according to claim 2, characterised in that a number of earthed connection points (19) are provided on the main conduit (4) between the methane cylinder (8) and the gas consumption point (3).
8. The combustible gas emergency cutting device according to claim 1, wherein the power gas output device comprises a second nitrogen steel cylinder (20), a second rotary valve (21) is arranged at the top of the second nitrogen steel cylinder (20), a second steel cylinder joint (22) is arranged at the output end of the second nitrogen steel cylinder (20), the second steel cylinder joint (22) is communicated with the stainless steel pipe (5) through a second hose (23), and a second high-pressure ball valve (24) and a second external thread joint are respectively arranged at the joint of the second hose (23) and the stainless steel pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322691210.7U CN220930880U (en) | 2023-10-08 | 2023-10-08 | Emergency cut-off device for combustible gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322691210.7U CN220930880U (en) | 2023-10-08 | 2023-10-08 | Emergency cut-off device for combustible gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930880U true CN220930880U (en) | 2024-05-10 |
Family
ID=90936729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322691210.7U Active CN220930880U (en) | 2023-10-08 | 2023-10-08 | Emergency cut-off device for combustible gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930880U (en) |
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2023
- 2023-10-08 CN CN202322691210.7U patent/CN220930880U/en active Active
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