Safe natural gas diffusing device

Abstract

The utility model relates to the technical field of natural gas diffusion, in particular to a safe natural gas diffusion device which comprises a connecting pipe, a push rod body, a first blocking plate and a second blocking plate, a communicating pipe is installed on one side of the outer wall of the upper end of the connecting pipe in an inserted mode, and a partition plate is welded to one side of the inner wall of the communicating pipe. Push rod bodies are arranged on the two sides of the upper end of the inner wall of the communicating pipe, a first blocking plate is arranged on the outer wall of the lower end of each push rod body, a second blocking plate is arranged on the outer wall of the lower end of each first blocking plate, sleeves are inserted into the outer walls of the two sides of each first blocking plate, and a sealing gasket is fixedly adhered to one side of the outer wall of the lower end of each first blocking plate. According to the natural gas diffusion device, the follow-up gas diffusion pressure can be effectively reduced, harm to nearby workers is avoided, the gas diffusion safety is improved, accurate diffusion of natural gas can be guaranteed, an alarm can be given out through a whistle, and the nearby workers and animals are warned and noticed.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas diffusion technical field, concretely relates to a natural gas safety diffusion device. BACKGROUND

[0002] The natural gas safety diffusion device is an important equipment for ensuring the safety of natural gas use, which mainly functions to automatically release overpressure gas to prevent gas pipeline explosion and fire accidents when the pressure of the natural gas pipeline system exceeds the set safety value, and the diffusion device is in the closed state of the locking mechanism under normal working conditions. When the pressure in the device to be protected exceeds the upper limit of the set pressure, the gas flow is automatically released and discharged through the diffusion device; once the pressure drops below its action pressure, it will automatically close.

[0003] The utility model discloses a kind of high-pressure natural gas pipeline emergency diffusion devices with CN222209512U, and the high-pressure natural gas pipeline emergency diffusion device, including conveying pipe, the flange ring is fixedly arranged at conveying pipe both ends, further include: gas guide assembly, the gas guide assembly is embedded in the top surface middle part of the conveying pipe, the gas guide assembly bottom end is communicated with the conveying pipe inner cavity, the gas guide assembly is used to connect conveying pipe with ambient;Plugging component, the plugging component is set to the top end of the gas guide assembly, and the telescopic end of the plugging component is blocked with the inner cavity middle part of the gas guide assembly, the plugging component is used to block gas guide assembly;And control component, the utility model can diffuse and handle to natural gas pipeline, so as to prevent the safety accident caused by excessively high natural gas pressure in pipeline, and then the safety of natural gas pipeline maintenance can be improved.

[0004] Prior art CN222209512U has many benefits in use, but still has the following problems. Its diffusion safety is not perfect enough, and the diffusion range cannot be alarmed in time, so that the concentration of natural gas near the diffusion device increases rapidly when the diffusion device exhausts, which can cause harm to nearby workers or animals by mistake, and affect the safety of natural gas diffusion process. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a natural gas safety diffusion device.

[0006] The utility model discloses a natural gas safety diffusion device, which comprises a connecting pipe, a push rod body, a first plugging plate and a second plugging plate, a communicating pipe is inserted and connected on one side of the outer wall of the upper end of the connecting pipe, a partition plate is welded on one side of the inner wall of the communicating pipe, the push rod body is arranged on both sides of the upper end of the inner wall of the communicating pipe, the first plugging plate is arranged on the outer wall of the lower end of the push rod body, the second plugging plate is arranged on the outer wall of the lower end of the first plugging plate, sleeve pipes are inserted and connected on the outer walls of both sides of the first plugging plate, and a sealing gasket is fixedly attached to one side of the outer wall of the lower end of the first plugging plate.

[0007] Through the above technical scheme, the push rod body can drive the first plugging plate and the second plugging plate to move vertically, the precise position movement of the first plugging plate and the second plugging plate can be realized, the partition plate realizes segmented plugging through the first plugging plate and the second plugging plate, the segmented discharge of natural gas in the connecting pipe can be realized, the device can safely release natural gas when necessary, sudden discharge pressure is prevented from being too high to cause harm to workers near the device, and accurate control of gas discharge can be realized.

[0008] Specifically, flanges are welded on the outer walls of both sides of the connecting pipe, and the two flanges are distributed on both sides of the communicating pipe.

[0009] Through the above technical scheme, the flanges facilitate the connection of the connecting pipe with other pipelines or equipment, improve the versatility and installation convenience of the device, and are firmly and reliably connected, suitable for high-pressure or high-temperature environments, and ensure the safety of natural gas transmission in the connecting pipe.

[0010] Specifically, a plurality of exhaust pipes arranged in a circular array are inserted and connected on the outer wall of the communicating pipe, the exhaust pipes are located on the upper end of the partition plate, and the exhaust pipes are designed in a curved shape.

[0011] Through the above technical scheme, the plurality of exhaust pipes can more effectively disperse the released natural gas, avoid excessive local pressure, and reduce vibration through the curved shape design, prevent external objects from directly impacting the exhaust pipes, and improve the safety of the device.

[0012] Specifically, plugging grooves are formed in the inner walls of both sides of the partition plate, and the first plugging plate and the second plugging plate are located in the two plugging grooves, respectively.

[0013] Through the above technical scheme, the plugging grooves provide precise positioning space for the first plugging plate and the second plugging plate, this design ensures the stability and accuracy of the plugging plate during movement, thereby improving the control ability of the device on gas flow, and the partition plate and the plugging grooves cooperate with the first plugging plate and the second plugging plate to realize plugging of the connecting pipe, ensure controlled discharge of natural gas, and improve the plugging sealing performance of the communicating pipe through two-stage sealing.

[0014] Specifically, the outer wall of the lower end of the push rod body is provided with a connecting piece, and the first sealing plate is connected with the push rod body through the connecting piece.

[0015] By adopting the above technical scheme, the connecting piece enables the push rod body to more effectively drive the first sealing plate or the second sealing plate to move, and the connecting mode is simple and reliable, easy to maintain and replace, and can ensure the stability and accuracy of the sealing plate during movement.

[0016] Specifically, an exhaust hole is arranged at the center of the second sealing plate, a whistle is arranged in the exhaust hole, a sealing gasket is arranged at the upper end of the exhaust hole, and the sealing gasket is in contact with the inner and outer walls of the upper end of the second sealing plate.

[0017] By adopting the above technical scheme, when the exhaust starts, the push rod body drives the first sealing plate to move vertically, so that the first sealing plate is separated from the sealing groove, and the first sealing plate is kept in the sealing groove by the spring force. The natural gas in the connecting pipe can be initially exhausted through the exhaust hole. The small aperture of the exhaust hole enables the natural gas to be discharged in small flow, reduces the gas pressure in the connecting pipe, avoids the sudden full-body ejection of the gas, effectively reduces the subsequent gas dispersion pressure, avoids the harm to the nearby workers, improves the gas dispersion safety, ensures the accurate dispersion of the natural gas, and enables the whistle to emit an alarm sound when the gas flows in the exhaust hole, so as to wake up and pay attention to the nearby workers and animals, disperse the living things near the device, and ensure the use safety of the device. When the first sealing plate is in the sealing groove, the sealing gasket can seal the exhaust hole, so that the gas is discharged through the exhaust hole in a controlled manner.

[0018] Specifically, limit rods are welded on both sides of the outer wall of the upper end of the second sealing plate, the limit rods are movably arranged in the sleeve, a spring is arranged on one side of the upper end of the inner wall of the sleeve, and the limit rods are elastically connected between the upper end of the inner wall of the sleeve and the spring.

[0019] By adopting the above technical scheme, the first sealing plate can drive the second sealing plate to move in linkage through the sleeve and the limit rods, so that the second sealing plate moves out of the sealing groove, the final exhaust of the gas is realized, the overall exhaust of the gas is ensured, and the spring force can push the limit rods to ensure that the second sealing plate is located in the sealing groove in a controlled manner.

[0020] The natural gas safety dispersion device has the following advantages:

[0021] (1) The natural gas safety dispersion device can realize the segmented discharge of the natural gas in the connecting pipe, allows the device to safely release the natural gas when necessary, prevents the sudden discharge pressure from being too high to cause harm to the workers near the device, and can realize the accurate control of the gas discharge.

[0022] The natural gas safety diffusion device can effectively lower subsequent gas diffusion pressure, avoid causing harm to nearby workers, improve gas diffusion safety, and ensure accurate diffusion of natural gas. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in combination with the drawings and embodiments.

[0024] Figure 1 It is a connection pipe structure main body schematic view of the utility model;

[0025] Figure 2 It is a communication pipe structure cross section schematic view of the utility model;

[0026] Figure 3 It is a first plugging plate structure exploded schematic view of the utility model;

[0027] Figure 4 It is a sleeve structure exploded schematic view of the utility model.

[0028] In the drawing: 1, connection pipe; 11, flange; 12, communication pipe; 13, exhaust pipe; 14, partition plate; 15, plugging groove; 2, push rod body; 21, first plugging plate; 22, connecting piece; 23, sleeve; 24, spring; 25, sealing gasket; 3, second plugging plate; 31, limiting rod; 32, exhaust hole; 33, whistle. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0030] In order to save manpower and improve efficiency, as an embodiment of the utility model, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 indicated, the natural gas safety diffusion device comprises a connection pipe 1, a push rod body 2, a first plugging plate 21 and a second plugging plate 3, the communication pipe 12 is inserted and connected to one side of the outer wall of the upper end of the connection pipe 1, the partition plate 14 is welded to one side of the inner wall of the communication pipe 12, the push rod body 2 is arranged on both sides of the upper end of the inner wall of the communication pipe 12, the first plugging plate 21 is arranged on the outer wall of the lower end of the push rod body 2, the second plugging plate 3 is arranged on the outer wall of the lower end of the first plugging plate 21, the sleeve 23 is inserted and connected to both sides of the outer wall of the first plugging plate 21, and the sealing gasket 25 is fixedly connected to one side of the outer wall of the lower end of the first plugging plate 21.

[0031] In use, the push rod body 2 can drive the first sealing plate 21 and the second sealing plate 3 to move vertically, and can realize precise position movement of the first sealing plate 21 and the second sealing plate 3. The partition plate 14 is segmented sealed by the first sealing plate 21 and the second sealing plate 3, which can realize segmented discharge of natural gas in the connecting pipe 1, allow the device to safely release natural gas when necessary, prevent sudden discharge pressure from being too high to cause harm to workers near the device, and can realize precise control of gas discharge.

[0032] In order to be connected externally, for example, as shown in Figure 1 The two outer walls of the connecting pipe 1 are welded with flanges 11, and the two flanges 11 are distributed on both sides of the communication pipe 12.

[0033] In use, the flanges 11 facilitate the connection of the connecting pipe 1 with other pipelines or equipment, improving the versatility and installation convenience of the device, and the flanges 11 are firmly and reliably connected, suitable for high-pressure or high-temperature environments, ensuring the safety of natural gas transmission in the connecting pipe 1.

[0034] In order to exhaust, for example, as shown in Figure 2 The outer wall of the communication pipe 12 is inserted and installed with a circular array of exhaust pipes 13, the exhaust pipes 13 are located at the upper end of the partition plate 14, and the exhaust pipes 13 adopt a curved shape design.

[0035] In use, multiple exhaust pipes 13 can more effectively disperse the released natural gas, avoid excessive local pressure, and the curved shape design can reduce vibration while preventing external objects from directly impacting the exhaust pipes 13, improving the safety of the device.

[0036] In order to seal, for example, as shown in Figure 2 Both sides of the inner wall of the partition plate 14 are provided with sealing grooves 15, and the first sealing plate 21 and the second sealing plate 3 are respectively located in the two sealing grooves 15.

[0037] In use, the sealing grooves 15 provide precise positioning space for the first sealing plate 21 and the second sealing plate 3, which ensures the stability and accuracy of the sealing plate during movement, thereby improving the control ability of the device on gas flow, and the partition plate 14 and the sealing grooves 15 cooperate with the first sealing plate 21 and the second sealing plate 3 to realize sealing of the inside of the connecting pipe 1, ensuring controlled exhaust of natural gas, and through two-stage sealing, the sealing performance of the inside of the communication pipe 12 can be improved.

[0038] In order to connect and drive, for example, as shown in Figure 2 The lower end of the push rod body 2 is provided with a connecting piece 22, and the first sealing plate 21 is connected with the push rod body 2 through the connecting piece 22.

[0039] In use, the connecting piece 22 enables the push rod body 2 to more effectively drive the first blocking plate 21 or the second blocking plate 3 to move, and the connection is simple and reliable, easy to maintain and replace, and ensures the stability and accuracy of the blocking plate during movement.

[0040] For initial exhaust, as shown in Figure 3 The second blocking plate 3 is provided with an exhaust hole 32 at the center of the inner side, and a whistle 33 is arranged in the exhaust hole 32. A sealing gasket 25 is arranged at the upper end of the exhaust hole 32 and is in contact with the inner and outer walls of the upper end of the second blocking plate 3.

[0041] In use, when initial exhaust starts, the push rod body 2 drives the first blocking plate 21 to move vertically, so that the first blocking plate 21 is separated from the blocking groove 15, and the second blocking plate 3 is kept in the blocking groove 15 by the elastic force of the spring 24. The natural gas in the connecting pipe 1 can be initially exhausted through the exhaust hole 32. The small aperture of the exhaust hole 32 enables the natural gas to be discharged in a small flow, reduces the gas pressure in the connecting pipe 1, avoids the sudden full-body ejection of the gas, effectively reduces the subsequent gas dispersion pressure, avoids harm to nearby workers, improves the safety of gas dispersion, and ensures the accurate dispersion of natural gas. The flow of gas in the exhaust hole 32 can emit an alarm sound through the whistle 33, which can alert and warn nearby workers and animals, disperse living things near the device, and ensure the safety of the use of the device. When the first blocking plate 21 is in the blocking groove 15, the sealing gasket 25 can block the exhaust hole 32, ensuring that the gas is discharged through the exhaust hole 32 in a controlled manner.

[0042] For linkage movement, as shown in Figure 4 The upper end of the second blocking plate 3 is welded with a limiting rod 31 on both sides of the outer wall, the limiting rod 31 is movably installed in the sleeve 23, the inner wall of the sleeve 23 is provided with a spring 24 on one side of the upper end, and the limiting rod 31 is elastically connected between the spring 24 and the inner wall of the sleeve 23.

[0043] In use, the first blocking plate 21 can drive the second blocking plate 3 to move in linkage through the sleeve 23 and the limiting rod 31, so that the second blocking plate 3 moves out of the blocking groove 15, enabling the final exhaust of the gas and ensuring the overall exhaust of the gas. The elastic force of the spring 24 can push the limiting rod 31, ensuring that the second blocking plate 3 is controlled to be located in the blocking groove 15.

[0044] The utility model discloses when using, control system receives the discharge instruction, and the push rod body 2 is started, and the push rod body 2 drives first plugging plate 21 vertically moves upwards, and gradually separates from the plugging groove 15, and because the spring 24 elastic force acts, second plugging plate 3 still keeps in plugging groove 15 in initial stage, does not move, and the natural gas in connecting pipe 1 inside starts through the exhaust hole 32 of second plugging plate 3 center and carries out initial exhaust, when gas flows in the exhaust hole 32, triggers the alarm sound of whistle 33;

[0045] Afterwards, push rod body 2 passes through the sleeve pipe 23 and the limiting rod 31, and the movement of first plugging plate 21 can drive second plugging plate 3 to move upwards, and second plugging plate 3 gradually separates from plugging groove 15, realizes final exhaust, and when second plugging plate 3 completely separates from plugging groove 15, the natural gas in connecting pipe 1 inside can be discharged through the communication pipe 12 and the exhaust pipe 13.

[0046] It should be noted that the utility model discloses a kind of natural gas safety diffusion devices, components in the utility model are components known to those skilled in the art, its structure and principle are all known to the technical personnel in this field by technical manual or by conventional experimental method.

[0047] The above shows and describes the basic principle, main features and advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above-mentioned description is only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements. These changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A natural gas safety relief device characterized by, The utility model relates to a connecting pipe (1), push rod body (2), first stop board (21) and second stop board (3) are included, the connecting pipe (1) upper end outer wall one side inserts and connects and installs the communicating pipe (12), the communicating pipe (12) inner wall one side welds the partition board (14), the communicating pipe (12) inner wall upper end both sides all are provided with push rod body (2), the push rod body (2) lower end outer wall is provided with first stop board (21), first stop board (21) lower end outer wall is provided with second stop board (3), first stop board (21) both sides outer wall all inserts and connects and installs the sleeve pipe (23), first stop board (21) lower end outer wall one side is adhered and fixed with sealing gasket (25).

2. A natural gas relief device according to claim 1, wherein Both sides outer wall of the connecting pipe (1) are welded with flange (11), two the flange (11) are distributed in communicating pipe (12) both sides.

3. A natural gas relief device according to claim 1, wherein The communicating pipe (12) outer wall inserts and connects and installs the exhaust pipe (13) of circular array distribution, the exhaust pipe (13) is located the upper end of partition board (14), the exhaust pipe (13) adopts the curved shape design.

4. A natural gas relief device according to claim 1, wherein Both sides of the inner wall of the partition board (14) are provided with a sealing groove (15), and the first stop board (21) and the second stop board (3) are located in the two sealing grooves (15) respectively.

5. A natural gas relief device according to claim 1, wherein The push rod body (2) is provided with a connecting piece (22) on the lower end outer wall, and the first stop board (21) is connected with the push rod body (2) through the connecting piece (22).

6. A natural gas relief device according to claim 1, wherein The second stop board (3) is provided with an exhaust hole (32) at the center of the inner portion, the exhaust hole (32) is provided with a whistle (33) inside, the sealing gasket (25) is located on the upper end of the exhaust hole (32), and the sealing gasket (25) is in contact with the inner and outer walls of the upper end of the second stop board (3).

7. A natural gas relief device according to claim 1, wherein The second stop board (3) is provided with a limiting rod (31) on the both sides of the upper end outer wall, the limiting rod (31) is movably installed in the sleeve pipe (23), the sleeve pipe (23) is provided with a spring (24) on the inner wall of the upper end, and the limiting rod (31) is elastically connected between the inner wall of the upper end of the sleeve pipe (23) through the spring (24).

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