CN220957963U - Natural gas safety protection pressure regulating device - Google Patents
Natural gas safety protection pressure regulating device Download PDFInfo
- Publication number
- CN220957963U CN220957963U CN202322691733.1U CN202322691733U CN220957963U CN 220957963 U CN220957963 U CN 220957963U CN 202322691733 U CN202322691733 U CN 202322691733U CN 220957963 U CN220957963 U CN 220957963U
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- Prior art keywords
- natural gas
- fixed shell
- plate
- regulating device
- pressure regulating
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000003345 natural gas Substances 0.000 title claims abstract description 49
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of natural gas, in particular to a natural gas safety protection pressure regulating device. The utility model provides a natural gas safety protection pressure regulating device capable of preventing natural gas from diffusing when leakage occurs. The utility model provides a natural gas safety protection pressure regulating device, which comprises: the bottom of the inner side of the fixed shell is symmetrically provided with a ventilation valve which penetrates through the fixed shell; the connecting pipeline is connected between the tops of the two ventilation valves; a pressure regulator is arranged in the middle of the connecting pipeline; and the middle part of the inner side of the fixing shell is provided with a fixing plate. The sealing plate and the sealing plate are used for sealing the connecting channel and the pressure regulator by forming a closed space on the fixed shell, so that natural gas can be prevented from leaking out of the sealing plate and the pressure regulator, the threat to the safety of workers is reduced, and the safety of the workers is further ensured.
Description
Technical Field
The utility model relates to the technical field of natural gas, in particular to a natural gas safety protection pressure regulating device.
Background
The natural gas pressure regulating device is an important bridge for leading a natural gas medium-pressure pipe network to a natural gas appliance, is mainly used for regulating and stabilizing the pressure of a system, controls the gas flow of a gas transmission system, avoids the overhigh or overlow outlet pressure, and is a key device of a gas transmission pipeline.
Because natural gas has certain danger, traditional natural gas pressure regulating device simple structure has certain drawback, if pressure regulating device department takes place natural gas leakage, natural gas can spread, even close the valve, still can cause the injury to the staff when the maintenance, and secondly traditional pressure regulating device need dismantle the surge tank when the maintenance, and the troublesome operation influences the efficiency of work.
Therefore, it is necessary to design a natural gas safety protection pressure regulating device capable of preventing natural gas from diffusing when leakage occurs.
Disclosure of utility model
In order to overcome the defect that the natural gas can be diffused when the natural gas leaks at the pressure regulating device in the prior device, even if the valve is closed, the natural gas can possibly cause injury to staff during maintenance, the utility model aims to provide the natural gas safety protection pressure regulating device capable of preventing the natural gas from diffusing when the natural gas leaks.
The technical proposal is as follows: a natural gas safety protection pressure regulating device, comprising: the air vent valve penetrates through the fixed shell; the connecting pipeline is connected between the tops of the two ventilation valves; a pressure regulator is arranged in the middle of the connecting pipeline; the middle part of the inner side of the fixing shell is provided with a fixing plate which is in contact fit with the connecting pipeline; the sealing plate is arranged in the fixed shell and is connected with the fixed plate in a plug-in mode, and the sealing plate, the fixed plate and the fixed shell form a closed structure together to wrap the connecting pipeline and the pressure regulator; the front side of the fixing frame is connected with the sealing frame through bolts; the front side of the closed frame is rotatably provided with the closed door.
As an improvement of the above scheme, the method further comprises: the upper parts of the left side and the right side of the fixed shell are uniformly provided with vent holes at intervals, the positions of the inner sides of the fixed frames, which are positioned at the vent holes, are provided with the sliding frames, and the sliding frames frame the vent holes; the sliding plate is arranged between the sliding frame and the fixed shell in a sliding way, and the sliding plate is provided with vent holes which are the same as those of the fixed shell; the electric push rod is arranged at a position right above the sliding plate at the inner side of the fixed shell, and the telescopic rod of the electric push rod is connected with the sliding plate; and the gas detector is arranged on the inner side of the fixed shell.
As an improvement of the above scheme, the method further comprises: the middle part of the closed door is provided with an observation window.
As an improvement of the above scheme, the method further comprises: the right lower position of the front side of the sealing plate is provided with the inflating valve.
As an improvement of the above scheme, the method further comprises: and a sealing ring is arranged between the fixing plate and the connecting pipeline.
As an improvement of the above scheme, the method further comprises: the connecting belt is arranged at the outer side of the connecting part of the fixing frame and the sealing frame.
The utility model has the following advantages: 1. according to the utility model, the sealing plate with the transparent plate at the front side and the fixing plate are used for forming a closed space for the fixing shell to seal and wrap the connecting channel and the pressure regulator, so that when natural gas leaks, the natural gas can be prevented from escaping into the outside air, and workers can directly see the internal condition of the fixing shell, thereby reducing the threat to the safety of the workers and further ensuring the safety of the workers.
2. When the natural gas leaks, the gas detector in the fixed shell can detect the natural gas concentration leakage, and then the controller starts the electric push rod to drive the sliding plate to move upwards, so that the sliding plate blocks the vent hole of the fixed shell, and the leakage of the natural gas is avoided.
3. When the device needs to be maintained, the working personnel can discharge and collect leaked natural gas through the external air guide pipe and the control valve, so that the situation that the air pressure in a closed space formed by the fixing shell, the fixing plate and the sealing plate is too large is avoided, and the working personnel are injured.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of a partial perspective structure of the present utility model.
Fig. 3 is an exploded view of a partial perspective structure of the present utility model.
Fig. 4 is a schematic perspective view of the fixing plate, the sealing plate and the sealing ring according to the present utility model.
Fig. 5 is a schematic perspective view of a sliding frame, a sliding plate and an electric push rod according to the present utility model.
Reference numerals in the figures: 1. the device comprises a fixed shell, 2, a ventilation valve, 3, a connecting pipeline, 4, a pressure regulator, 5, a fixed plate, 6, a sealing plate, 7, a closing frame, 8, a closing door, 9, a ventilation hole, 10, a sliding frame, 11, a sliding plate, 12, an electric push rod, 13, a gas detector, 14, an observation window, 15, a valve, 16, a sealing ring, 17 and a connecting belt.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Example 1
As shown in fig. 1 to 4, the utility model provides a natural gas safety protection pressure regulating device, which specifically comprises a fixed shell 1, a vent valve 2, a connecting pipeline 3, a pressure regulator 4, a fixed plate 5, a sealing plate 6, a closed frame 7 and a closed door 8, wherein the vent valve 2 is symmetrically arranged at the left and right bottom of the inner side of the fixed shell 1, the vent valve 2 penetrates through the fixed shell 1, the connecting pipeline 3 is connected between the tops of the two vent valves 2, the pressure regulator 4 is arranged in the middle of the connecting pipeline 3, the fixed plate 5 is arranged in the middle of the inner side of the fixed shell 1, the fixed plate 5 is in contact fit with the connecting pipeline 3, the sealing plate 6 is arranged in the fixed shell 1 in a bolt connection manner, the sealing plate 6 is connected with the fixed plate 5 in an inserting manner, the sealing plate 6 forms a closed structure together with the fixed plate 5 and the fixed shell 1, the connecting pipeline 3 and the pressure regulator 4 are wrapped, the closed frame 7 is arranged at the front side of the fixed frame in a bolt connection manner, and the closed door 8 is rotatably arranged at the front side of the closed frame 7.
According to the utility model, the fixing shell 1 is sealed by the fixing plate 5 and the sealing plate 6, the connecting channel for regulating pressure and the pressure regulator 4 are sealed and wrapped, so that the threat to safety of workers caused by natural gas dissipation into the outside air when the connecting pipeline 3 or the pressure regulator 4 leaks can be effectively avoided, the front side of the sealing plate 6 is a transparent plate, the workers can directly see the internal condition of the fixing shell 1 during maintenance, the safety of the workers is further ensured, the box formed by the fixing shell 1 and the sealing frame 7 can well protect the internal parts of the fixing shell 1, the workers can directly detach the sealing frame 7 from the fixing shell 1 during maintenance by rotating the sealing door 8, and the maintenance operation of the workers is facilitated.
Example 2
As shown in fig. 2 and fig. 5, on the basis of embodiment 1, the device specifically further comprises a sliding frame 10, a sliding plate 11, an electric push rod 12 and a gas detector 13, wherein vent holes 9 are uniformly spaced at the upper parts of the left side and the right side of the fixed shell 1, the sliding frame 10 is arranged at the positions of the vent holes 9 on the inner side of the fixed frame in a bolt connection mode, the sliding frame 10 frames the positions of the vent holes 9, the sliding plate 11 is arranged between the sliding frame 10 and the fixed shell 1 in a sliding mode, the vent holes 9 which are the same as the fixed shell 1 are formed in the sliding plate 11, the electric push rod 12 is arranged at the position right above the sliding plate 11 on the inner side of the fixed shell 1 in a bolt connection mode, the telescopic rod of the electric push rod 12 is connected with the sliding plate 11, and the gas detector 13 is arranged at the inner side of the fixed shell 1.
The air vent 9 that the both sides of fixed shell 1 set up can carry out natural draft under the normal condition, avoid natural gas enrichment, when taking place the natural gas and leak, gas detector 13 in the fixed shell 1 can detect natural gas concentration and leak and send data for the controller, then the controller starts electric putter 12 and drives slide plate 11 and upwards move, under the initial condition, air vent 9 on the slide plate 11 is the intercommunication state with air vent 9 on the fixed shell 1, after electric putter 12 drives slide plate 11 and upwards moves, air vent 9 on slide plate 11 staggers each other with air vent 9 on the fixed shell 1 for slide plate 11 blocks up air vent 9 of fixed shell 1, avoids the natural gas loss of leakage.
As shown in fig. 1, on the basis of embodiment 1, the device specifically further comprises an observation window 14, and the middle part of the closed door 8 is provided with the observation window 14.
The observation window 14 on the sealing door 8 can facilitate the observation of the inside of the device by the staff, and avoid the hidden danger in the device which can not be found by the staff.
As shown in fig. 3, on the basis of embodiment 1, a valve 15 is specifically further included, and the valve 15 is disposed at the lower right position of the front side of the sealing plate 6.
When the staff needs to maintain after the natural gas leakage occurs, the staff closes the valve firstly, cuts off natural gas circulation, then passes through the external air duct and goes to the inflating valve 15, then controls the inflating valve 15 to release and collect the leaked natural gas, and avoids the overlarge air pressure in the airtight space formed by the fixing shell 1, the fixing plate 5 and the sealing plate 6, thereby causing injury to the staff.
As shown in fig. 4, on the basis of embodiment 1, a sealing ring 16 is specifically further included, and a sealing ring 16 is disposed between the fixing plate 5 and the connecting pipe 3.
Sealing washer 16 can be better to sealing between ventilation valve 2 and the fixed plate 5, avoids taking place when natural gas leaks and can't keep apart the condition of natural gas and appear.
As shown in fig. 1, on the basis of embodiment 1, the device specifically further comprises a connecting belt 17, and the connecting belt 17 is arranged on the outer side of the connecting position of the fixing frame and the closed frame 7.
The connecting band 17 can cover the junction between the fixed shell 1 and the closed frame 7, avoids external environment to cause the influence to the junction of fixed shell 1 and closed frame 7, leads to fixed shell 1 and closed frame 7 to be connected not fine.
The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent modifications made by the appended claims shall be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a natural gas safety protection pressure regulating device which characterized in that includes:
The device comprises a fixed shell (1) and a ventilation valve (2), wherein the ventilation valve (2) is symmetrically arranged at the left and right of the bottom of the inner side of the fixed shell (1), and the ventilation valve (2) penetrates through the fixed shell (1);
A connecting pipeline (3), wherein the connecting pipeline (3) is connected between the tops of the two ventilation valves (2); the pressure regulator (4) is arranged in the middle of the connecting pipeline (3);
The fixing plate (5) is arranged in the middle of the inner side of the fixing shell (1), and the fixing plate (5) is in contact fit with the connecting pipeline (3);
The sealing plate (6) is arranged in the fixed shell (1), the sealing plate (6) is connected with the fixed plate (5) in a plug-in mode, the sealing plate (6), the fixed plate (5) and the fixed shell (1) form a closed structure together, and the connecting pipeline (3) and the voltage regulator (4) are wrapped;
The front side of the fixed frame is connected with the sealed frame (7) through bolts; the sealing door (8) is rotatably arranged at the front side of the sealing frame (7), and the sealing door (8) is arranged at the front side of the sealing frame.
2. A natural gas safety protection pressure regulating device as defined in claim 1, further comprising:
The sliding frames (10) are uniformly spaced at the upper parts of the left side and the right side of the fixed shell (1), the sliding frames (10) are arranged at the positions, which are positioned at the air holes (9), of the inner sides of the fixed frames, and the sliding frames (10) frame the positions of the air holes (9);
The sliding plate (11) is arranged between the sliding frame (10) and the fixed shell (1) in a sliding way, and the sliding plate (11) is provided with vent holes (9) which are the same as the fixed shell (1);
The electric push rod (12) is arranged at a position right above the sliding plate (11) at the inner side of the fixed shell (1), and a telescopic rod of the electric push rod (12) is connected with the sliding plate (11);
and a gas detector (13), wherein the gas detector (13) is arranged on the inner side of the fixed shell (1).
3. A natural gas safety protection pressure regulating device as defined in claim 2, further comprising:
and an observation window (14), wherein the middle part of the closed door (8) is provided with the observation window (14).
4. A natural gas safety protection pressure regulating device as defined in claim 3, further comprising:
and the inflating valve (15) is arranged at the right lower position of the front side of the sealing plate (6).
5. The natural gas safety protection pressure regulating device of claim 4, further comprising:
And a sealing ring (16) is arranged between the fixing plate (5) and the connecting pipeline (3).
6. The natural gas safety protection pressure regulating device of claim 5, further comprising:
The connecting belt (17) is arranged at the outer side of the connecting part of the fixing frame and the closed frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322691733.1U CN220957963U (en) | 2023-10-09 | 2023-10-09 | Natural gas safety protection pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322691733.1U CN220957963U (en) | 2023-10-09 | 2023-10-09 | Natural gas safety protection pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957963U true CN220957963U (en) | 2024-05-14 |
Family
ID=90973191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322691733.1U Active CN220957963U (en) | 2023-10-09 | 2023-10-09 | Natural gas safety protection pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957963U (en) |
-
2023
- 2023-10-09 CN CN202322691733.1U patent/CN220957963U/en active Active
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