CN215636558U - Gas isolating device - Google Patents
Gas isolating device Download PDFInfo
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- CN215636558U CN215636558U CN202121927644.7U CN202121927644U CN215636558U CN 215636558 U CN215636558 U CN 215636558U CN 202121927644 U CN202121927644 U CN 202121927644U CN 215636558 U CN215636558 U CN 215636558U
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Abstract
The utility model provides a gas partition device, which comprises a gas pipeline, wherein one end of the gas pipeline is communicated with a gas pipe network, and the other end of the gas pipeline is communicated with a user; the first electric valve is arranged on the gas pipeline; the electric glasses valve is arranged on the gas pipeline and positioned between the first electric valve and the user; the first bleeding pipeline is communicated with the gas pipeline at one end, is positioned between the first electric valve and the electric glasses valve at one end and is communicated with the atmosphere at the other end; a second electrically operated valve disposed on the first bleed conduit; a second relief pipeline, one end of which is communicated with the gas pipeline, one end of which is positioned between the electric glasses valve and the user, and the other end of which is communicated with the atmosphere; a third electrically operated valve disposed on the second bleed line; a controller electrically connected to the first electrically operated valve, the motorized eyewear valve, the second electrically operated valve, and the third electrically operated valve; and an operation panel electrically connected to the controller.
Description
Technical Field
The utility model relates to the technical field of gas partition, in particular to a gas partition device.
Background
Gas pipelines in iron and steel enterprises need to cut off gas when a certain section of pipe network or a user overhauls, and currently, commonly used gas cutting-off devices comprise electric butterfly valves and electric glasses valves. The national mandatory Standard "gas safety regulations for Industrial enterprises" (GB6222-2005) article 7.2.4.1: "glasses valve and sector valve should not use alone, should establish behind sealed butterfly valve or gate valve", national safety production industry standard "gas off device safety technical specification" (AQ2048-2012) 5.4.1 regulation: the combination of a shut-off valve and a glasses valve can be used as a gas shut-off device, and the gas shut-off devices comprising an electric butterfly valve and an electric glasses valve are mentioned in the above standards. Because the gas isolating device comprising the electric butterfly valve and the electric glasses valve is completed by manual operation, the operation process is complicated, the specialization is strong, and the possibility of operator poisoning caused by gas leakage caused by misoperation exists.
Therefore, there is an urgent need to develop a gas isolating device without manual operation to reduce the risk of operator poisoning caused by gas leakage due to misoperation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gas partition device to solve the problem that an existing gas partition device is easy to operate mistakenly to cause gas leakage to cause poisoning of operators.
In order to solve the technical problem, the utility model provides a gas partition device, which comprises a gas pipeline, wherein one end of the gas pipeline is communicated with a gas pipe network, and the other end of the gas pipeline is communicated with a user; the first electric valve is arranged on the gas pipeline; the electric glasses valve is arranged on the gas pipeline and positioned between the first electric valve and the user; the first bleeding pipeline is communicated with the gas pipeline at one end, is positioned between the first electric valve and the electric glasses valve at one end and is communicated with the atmosphere at the other end; a second electrically operated valve disposed on the first bleed conduit; a second relief pipeline, one end of which is communicated with the gas pipeline, one end of which is positioned between the electric glasses valve and the user, and the other end of which is communicated with the atmosphere; a third electrically operated valve disposed on the second bleed line; a controller electrically connected to the first electrically operated valve, the motorized eyewear valve, the second electrically operated valve, and the third electrically operated valve; and an operation panel electrically connected to the controller.
Optionally, the first electrically operated valve is an electrically operated butterfly valve or a gate valve.
Optionally, the second electrically operated valve is an electrically operated bleed valve or a gate valve.
Optionally, the third electrically operated valve is an electrically operated blow-off valve or a gate valve.
Optionally, the operation panel includes a gas introduction button.
Optionally, the operation panel further comprises a gas releasing button.
The utility model provides a gas partition device, which has the following beneficial effects:
because first electric valve, electronic glasses valve, second electric valve and third electric valve with the controller electricity is connected, operating panel with the controller electricity is connected, consequently operating personnel accessible operating panel sends the instruction to the controller, the controller can be according to control instruction control first electric valve, electronic glasses valve, second electric valve and third electric valve open and close, consequently can realize the automated control of each valve, reduce and cause the gas to reveal the risk that leads to operating personnel to be poisoned because of manual operation causes the maloperation.
Drawings
FIG. 1 is a schematic structural diagram of a gas partition device in an embodiment of the present invention.
Description of reference numerals:
110-gas pipeline; 120-a first electrically operated valve; 130-electric glasses valve; 140-a first blow-off line; 150-a second electrically operated valve; 160-a second blow-off line; 170-third electrically operated valve.
Detailed Description
The gas shut-off device according to the present invention will be described in more detail with reference to the accompanying drawings and specific examples. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a gas partition device in an embodiment of the present invention, and the embodiment provides a gas partition device, including: a gas pipeline 110 with one end communicated with the gas pipe network and the other end communicated with the user; a first electrically operated valve 120 disposed on the gas pipe 110; an electric glasses valve 130 disposed on the gas pipe 110 and between the first electric valve 120 and the user; a first bleeding pipe 140 having one end communicating with the gas pipe 110, one end positioned between the first electric valve 120 and the electric eyeglass valve 130, and the other end communicating with the atmosphere; a second electrically operated valve 150 disposed on the first bleed conduit; a second bleeding line 160 having one end communicating with the gas line 110, one end positioned between the power glasses valve 130 and the user, and the other end communicating with the atmosphere; a third electrically operated valve 170 disposed on the second bleed line 160; a controller electrically connected to the first electrically-operated valve 120, the electro-pneumatic spectacles valve 130, the second electrically-operated valve 150 and the third electrically-operated valve 170; and an operation panel electrically connected to the controller.
Because the first electric valve 120, the electric glasses valve 130, the second electric valve 150 and the third electric valve 170 are electrically connected with the controller, and the operation panel is electrically connected with the controller, an operator can send an instruction to the controller through the operation panel, and the controller can control the first electric valve 120, the electric glasses valve 130, the second electric valve 150 and the third electric valve 170 to be opened and closed according to the control instruction, so that the automatic control of each valve can be realized, and the risk of operator poisoning caused by gas leakage due to misoperation caused by manual operation is reduced.
In this embodiment, the first electrically operated valve 120 may be an electrically operated butterfly valve or a gate valve. The second electrically operated valve 150 may be an electrically operated bleed valve or a gate valve. The third electrically operated valve 170 may be an electrically operated bleed valve or a gate valve.
The operation panel comprises a gas guiding key. The controller can send a coal gas introduction starting instruction to the controller through the operation panel by starting the coal gas introduction button, and the controller controls the first electric valve 120, the electric glasses valve 130, the second electric valve 150 and the third electric valve 170 to be opened and closed according to the coal gas introduction starting instruction in a certain sequence, so that the coal gas introduction operation is realized.
Specifically, the coal gas introducing operation comprises the following steps: first, it is determined whether the first electrically-operated valve 120 is in a closed state, and if the first electrically-operated valve 120 is in the closed state, the second electrically-operated valve 150 is opened. Then, staying for a period of time, and after the gas in the pipeline between the first electric valve 120 and the electric glasses valve 130 is released and decompressed, opening the electric glasses valve 130. Then, after all the actions of the electro-pneumatic glasses valve 130 are completed, the second electro-pneumatic valve 150 is closed. Finally, the first electrically operated valve 120 is opened.
Before the coal gas introduction key is started, whether the purging of the gas pipeline 110 is qualified or not needs to be judged, and corresponding safety measures are taken. Wherein, the safety measures adopted comprise an isolation area, a coal gas alarm device and the like.
In the embodiment, the coal gas guiding operation can be realized by one key through the coal gas guiding key, manual one-step operation is not needed, and safety accidents caused by misoperation in the manual operation process can be avoided.
The operation panel also comprises a gas-discharging button. The gas-returning button is started to send a gas-returning starting instruction to the controller through the operation panel, and the controller controls the first electric valve 120, the electric glasses valve 130, the second electric valve 150 and the third electric valve 170 to be opened and closed according to the gas-returning starting instruction in a certain sequence, so that gas-returning operation is realized.
Specifically, the gas-removing operation comprises the following steps: first, the first electrically operated valve 120 is closed. The second and third electrically-operated valves 150 and 170 are then opened. After a certain time, the electric glasses valve 130 is closed after the gas in the pipeline is released and decompressed. Finally, the second and third electrically-operated valves 150 and 170 are closed.
In the embodiment, the gas-returning operation can be realized by one key through the gas-returning key, manual one-step operation is not needed, and safety accidents caused by misoperation in manual operation can be avoided.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (6)
1. A gas shut off device, comprising:
one end of the gas pipeline is communicated with the gas pipe network, and the other end of the gas pipeline is communicated with a user;
the first electric valve is arranged on the gas pipeline;
the electric glasses valve is arranged on the gas pipeline and positioned between the first electric valve and the user;
the first bleeding pipeline is communicated with the gas pipeline at one end, is positioned between the first electric valve and the electric glasses valve at one end and is communicated with the atmosphere at the other end;
a second electrically operated valve disposed on the first bleed line;
a second relief pipeline, one end of which is communicated with the gas pipeline, one end of which is positioned between the electric glasses valve and the user, and the other end of which is communicated with the atmosphere;
a third electrically operated valve disposed on the second bleed line;
a controller electrically connected to the first electrically operated valve, the motorized eyewear valve, the second electrically operated valve, and the third electrically operated valve; and
and the operation panel is electrically connected with the controller.
2. The gas shut off device of claim 1, wherein said first electrically operated valve is an electrically operated butterfly valve or a gate valve.
3. The gas shut off device of claim 1, wherein the second electrically operated valve is an electrically operated bleed valve or a gate valve.
4. The gas shut off device of claim 1, wherein the third electrically operated valve is an electrically operated bleed valve or a gate valve.
5. The gas partition device of claim 1, wherein the operating panel comprises a gas introduction button.
6. The gas partition device of claim 1, wherein the operating panel further comprises a gas-withdrawal button.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121927644.7U CN215636558U (en) | 2021-08-17 | 2021-08-17 | Gas isolating device |
Applications Claiming Priority (1)
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CN202121927644.7U CN215636558U (en) | 2021-08-17 | 2021-08-17 | Gas isolating device |
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CN215636558U true CN215636558U (en) | 2022-01-25 |
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CN202121927644.7U Active CN215636558U (en) | 2021-08-17 | 2021-08-17 | Gas isolating device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115491449A (en) * | 2022-09-21 | 2022-12-20 | 攀钢集团攀枝花钢钒有限公司 | Novel blast furnace raw gas diffusing tower and operation method thereof |
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2021
- 2021-08-17 CN CN202121927644.7U patent/CN215636558U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115491449A (en) * | 2022-09-21 | 2022-12-20 | 攀钢集团攀枝花钢钒有限公司 | Novel blast furnace raw gas diffusing tower and operation method thereof |
CN115491449B (en) * | 2022-09-21 | 2024-04-19 | 攀钢集团攀枝花钢钒有限公司 | Novel blast furnace raw gas diffusing tower and operation method thereof |
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