Natural gas supply pressure stabilizing device

Abstract

The utility model discloses a natural gas supply pressure stabilizing device, which belongs to the technical field of natural gas and comprises a first main body and a second main body, the second main body is positioned above the first main body, and connecting flanges are fixedly connected to the bottom end of the second main body, the upper part of the first main body and two sides of the first main body. A connecting flange above the first main body is fixedly connected with a connecting flange at the bottom end of the second main body through a bolt, a controller is installed on one side of the second main body, an air pressure sensor is installed on one side of the first main body, and a pressure adjusting block moves upwards or downwards through a pressure adjusting assembly, so that the internal space of the air supply pressure stabilizing device is increased or reduced, and the air pressure returns to the limit value. And when the pressure regulating assembly needs to be maintained, the pull block can be pulled through the fixing assembly, so that the connecting block is moved out of the connecting hole, the pressure regulating assembly can be detached, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas, in particular to a natural gas supply pressure stabilizing device. Background Art

[0002] The main use of natural gas is as fuel. It can be used to produce carbon black, chemicals and liquefied petroleum gas. Propane and butane produced from natural gas are important raw materials for modern industry. In the supply of natural gas, a pressure stabilizing device is required to reduce the pressure of the natural gas in the pipeline to stabilize the natural gas.

[0003] During use, traditional natural gas supply pressure stabilizing devices cannot effectively adjust the pressure of the gas in the pipeline when it is too high or too low during gas supply, which increases safety hazards. At the same time, traditional natural gas supply pressure stabilizing devices are not convenient to disassemble and repair, and are not very practical. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a natural gas supply pressure stabilizing device.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: it comprises a main body one and a main body two, the main body two is located above the main body one, and the bottom end of the main body two, the top of the main body one and both sides of the main body one are fixedly connected with connecting flanges, the connecting flange above the main body one and the connecting flange at the bottom end of the main body two are fixedly connected by bolts, a controller is installed on one side of the main body two, an air pressure sensor is installed on one side of the main body one, the top end of the main body two is connected with a sealing cover, both sides of the sealing cover are connected with fixing components, the main body two is connected to the sealing cover through the fixing component, and a pressure regulating component is connected to the sealing cover; the pressure regulating component comprises a threaded barrel that rotates and passes through the sealing cover, the sealing cover is connected to a driving component that drives the threaded barrel to rotate, a threaded rod is passed through the internal thread of the threaded barrel, the top end of the threaded rod extends to the top of the threaded barrel, and the bottom end of the threaded rod extends into the main body two and is fixedly connected to a pressure regulating block.

[0006] As a further description of the above technical solution:

[0007] The driving assembly includes a motor fixedly connected to the top surface of the sealing cover, an output end of the motor is fixedly connected to a main gear, an external portion of the threaded barrel is fixedly connected to a slave gear, and the slave gear is meshed with the main gear.

[0008] As a further description of the above technical solution:

[0009] The bottom surface of the sealing cover is provided with a fixing groove, the inner surface of the fixing groove is fixedly connected with a second sealing ring, the top end of the second main body is inserted into the fixing groove, and the second sealing ring is tightly fitted with the connecting hole.

[0010] As a further description of the above technical solution:

[0011] The fixing assembly includes a hollow block fixedly connected to the outer surface of the sealing cover, and two sliding rods are fixedly connected to the hollow block, and the two sliding rods are slidably connected to the same sliding plate, and a connecting block is fixedly connected to one side of the sliding plate. Connecting holes are provided on both sides of the main body, and the end of the connecting block away from the sliding plate passes through the fixed groove and is inserted into the connecting hole. A spring is sleeved on the sliding rod, and the two ends of the spring are respectively fixed to the side surface of the sliding plate and the inner surface of the hollow block. A pull rod is fixed to the side of the sliding plate away from the connecting block, and one end of the pull rod passes through the side wall of the hollow block and extends to the outside of the hollow block and is fixed to the pull block.

[0012] As a further description of the above technical solution:

[0013] The pressure regulating block is tightly fitted to the inner wall of the second main body.

[0014] As a further description of the above technical solution:

[0015] A sealing ring 1 is fixedly connected to the side where the connecting flange at the top of the main body 1 and the connecting flange at the bottom of the main body 2 are close to each other.

[0016] As a further description of the above technical solution:

[0017] The motor, controller and air pressure sensor are electrically connected.

[0018] As a further description of the above technical solution:

[0019] The connecting flanges are provided with mounting holes, both sides of the pressure regulating block are fixedly connected with limiting blocks, and both sides of the interior of the second main body are provided with limiting grooves, and the limiting blocks are slidably connected in the limiting grooves.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the present invention, the pressure regulating block is moved up or down by the pressure regulating assembly, thereby increasing or reducing the internal space of the gas supply pressure stabilizing device, so that the gas pressure returns to the limit value, reducing safety hazards.

[0022] 2. In the present invention, when the voltage regulating assembly needs to be repaired, the assembly can be fixed and the pull block can be pulled to move the connecting block out of the connecting hole, and the voltage regulating assembly can be disassembled, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a natural gas supply pressure stabilizing device proposed in this utility model. Figure 1 ;

[0024] Figure 2 This is a schematic diagram of the overall structure of a natural gas supply pressure stabilizing device proposed in this utility model. Figure 2 ;

[0025] Figure 3 This is a schematic diagram of the overall structure of a natural gas supply pressure stabilizing device proposed in this utility model. Figure 3 ;

[0026] Figure 4 This is a schematic diagram of the fixed components of a natural gas supply pressure stabilizing device proposed in the utility model.

[0027] Legend:

[0028] 1. Main body 1; 2. Main body 2; 3. Sealing cover; 4. Threaded rod; 5. Slave gear; 6. Threaded barrel; 7. Motor; 8. Main gear; 9. Hollow block; 10. Pull block; 11. Controller; 12. Air pressure sensor; 13. Connecting flange; 14. Connecting hole; 15. Pressure regulating block; 16. Sliding plate; 17. Fixing slot; 18. Connecting block; 19. Pull rod; 20. Sliding rod; 21. Spring; 22. Limit block. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1-Figure 4The utility model provides an embodiment: comprising a main body 1 and a main body 2, the main body 2 is located above the main body 1, the bottom end of the main body 2, the top of the main body 1 and both sides of the main body 1 are fixedly connected with a connecting flange 13, the connecting flange 13 above the main body 1 and the connecting flange 13 at the bottom end of the main body 2 are fixedly connected by bolts, a controller 11 is installed on one side of the main body 2, an air pressure sensor 12 is installed on one side of the main body 1, a sealing cover 3 is connected to the top of the main body 2, and both sides of the sealing cover 3 are connected with a fixing component, the main body 2 and the sealing cover 3 are fixedly connected. They are connected through a fixed component, and a pressure-regulating component is connected to the sealing cover 3. Through the pressure-regulating component, the pressure-regulating block 15 is moved up or down, thereby increasing or reducing the internal space of the air supply pressure stabilizing device, so that the air pressure returns to the limit, reducing safety hazards; the pressure-regulating component includes a threaded barrel 6 that is rotatably connected to the sealing cover 3, and the sealing cover 3 is connected to a driving component that drives the threaded barrel 6 to rotate. A threaded rod 4 is passed through the internal thread of the threaded barrel 6, the top end of the threaded rod 4 extends to the top of the threaded barrel 6, and the bottom end of the threaded rod 4 extends into the main body 2 and is fixedly connected to the pressure-regulating block 15.

[0031] The driving assembly includes a motor 7 fixed to the top surface of the sealing cover 3, the output end of the motor 7 is fixed to the main gear 8, the outside of the threaded cylinder 6 is fixed to the slave gear 5, the slave gear 5 is meshed with the main gear 8, and the bottom surface of the sealing cover 3 is provided with a fixing groove 17, the inner surface of the fixing groove 17 is fixed with a sealing ring 2, the top of the main body 2 is inserted into the fixing groove 17, and the sealing ring 2 fits tightly with the connecting hole 14. When the pressure regulating assembly needs to be repaired, the pulling block 10 can be pulled through the fixing assembly to move the connecting block 18 out of the connecting hole 14, so that the pressure regulating assembly can be removed, thereby improving practicality. The fixing assembly includes a hollow block 9 fixed to the outer surface of the sealing cover 3, two sliding rods 20 are fixed in the hollow block 9, and the two sliding rods 20 are slidably connected to the same sliding plate 16, and one side of the sliding plate 16 is fixed with a connecting block 18. Both sides of the main body 2 are provided with connecting holes 14. The end of the connecting block 18 away from the sliding plate 16 passes through the fixed groove 17 and is inserted into the connecting hole 14. A spring 21 is provided on the sliding rod 20. The two ends of the spring 21 are respectively fixed to the side surface of the sliding plate 16 and the inner surface of the hollow block 9. The sliding plate 16 is fixed with a pull rod 19 on the side away from the connecting block 18. One end of the pull rod 19 passes through the side wall of the hollow block 9 and extends to the outside of the hollow block 9 and is fixed with a pull block 10. The pressure regulating block 15 fits tightly with the inner wall of the main body 2. The connecting flange 13 above the main body 1 and the connecting flange 13 at the bottom end of the main body 2 are fixed with a sealing ring 1 on the side close to each other. The motor 7, the controller 11, and the air pressure sensor 12 are electrically connected. The connecting flange 13 is provided with mounting holes. The limit blocks 22 are fixed on both sides of the pressure regulating block 15. Limiting grooves are provided on both sides of the interior of the main body 2, and the limit blocks 22 are slidably connected in the limit grooves.

[0032] Working principle: When the air pressure in the air supply process exceeds the limit value set in advance in the controller 11, the air pressure sensor 12 will transmit the detected pressure information to the controller 11 through the wire, and the controller 11 will control the motor 7 to rotate, and then the motor 7 will rotate the main gear 8 and drive the slave gear 5 to rotate, and the slave gear 5 drives the threaded barrel 6 to rotate, so that the threaded rod 4 drives the pressure regulating block 15 to rise, and then the internal space of the device is increased, thereby reducing the air pressure and returning the air pressure to the limit value. If the air pressure in the air supply process is lower than the limit value set in advance in the controller 11, the air pressure sensor 12 will transmit the detected pressure information to the controller 11, and the controller 1 1 will control the motor 7 to rotate in the opposite direction, and then the motor 7 will rotate the main gear 8 and then drive the slave gear 5 and the threaded barrel 6 to rotate, so that the threaded rod 4 drives the pressure regulating block 15 to move downward, and at this time, the internal space of the device is reduced, so that the air pressure is increased and the air pressure is returned to the limit. It can be adjusted in time according to whether the pressure of the gas in the pipeline is too high or too low during gas supply, thereby reducing safety hazards; when the pressure regulating assembly needs to be repaired, the pull block 10 can be pulled, and the pull block 10 drives the pull rod 19 to move, the pull rod 19 drives the sliding plate 16 to move, and the sliding plate 16 drives the connecting block 18 to move, so that the connecting block 18 is moved out of the connecting hole 14, and the pressure regulating assembly can be disassembled, which is more practical.

[0033] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of this disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A natural gas supply pressure stabilizing device, comprising a main body (1) and a main body (2), characterized in that: The main body 2 (2) is located above the main body 1 (1), and the bottom end of the main body 2 (2), the top of the main body 1 (1) and both sides of the main body 1 (1) are fixed with connecting flanges (13), and the connecting flange (13) above the main body 1 (1) and the connecting flange (13) at the bottom end of the main body 2 (2) are fixed by bolts. A controller (11) is installed on one side of the main body 2 (2), and an air pressure sensor (12) is installed on one side of the main body 1 (1). The top end of the main body 2 (2) is connected to a sealing cover (3), and both sides of the sealing cover (3) are connected to fixing components. The main body 2 (2) and the sealing cover (3) are connected through the fixing components, and the sealing cover (3) is connected to a pressure regulating component. The pressure regulating assembly comprises a threaded barrel (6) which is rotatably connected to and penetrates the sealing cover (3); the sealing cover (3) is connected to a driving assembly for driving the threaded barrel (6) to rotate; a threaded rod (4) is passed through the internal thread of the threaded barrel (6); the top end of the threaded rod (4) extends to the top of the threaded barrel (6); the bottom end of the threaded rod (4) extends into the body (2) and is fixedly connected to a pressure regulating block (15).

2. A natural gas supply pressure stabilizing device according to claim 1, characterized in that: The driving assembly comprises a motor (7) fixedly connected to the top surface of the sealing cover (3); the output end of the motor (7) is fixedly connected to a main gear (8); the outside of the threaded barrel (6) is fixedly connected to a slave gear (5); and the slave gear (5) is meshedly connected to the main gear (8).

3. The natural gas supply pressure stabilizing device according to claim 1, characterized in that: The bottom surface of the sealing cover (3) is provided with a fixing groove (17), the inner surface of the fixing groove (17) is fixedly connected with a second sealing ring, the top end of the second main body (2) is inserted into the fixing groove (17), and the second sealing ring is tightly fitted with the connecting hole (14).

4. A natural gas supply pressure stabilizing device according to claim 1, characterized in that: The fixing assembly includes a hollow block (9) fixed to the outer surface of the sealing cover (3), two sliding rods (20) are fixed in the hollow block (9), and the two sliding rods (20) are slidably connected to the same sliding plate (16), and a connecting block (18) is fixed on one side of the sliding plate (16), and a connecting hole (14) is opened on both sides of the main body (2), and the end of the connecting block (18) away from the sliding plate (16) passes through the fixing groove (17) and is inserted into the connecting hole (14), and a spring (21) is sleeved on the sliding rod (20), and the two ends of the spring (21) are respectively fixed to the side of the sliding plate (16) and the inner surface of the hollow block (9), and the side of the sliding plate (16) away from the connecting block (18) is fixed with a pull rod (19), and one end of the pull rod (19) passes through the side wall of the hollow block (9) and extends to the outside of the hollow block (9) and is fixed to the pull block (10).

5. The natural gas supply pressure stabilizing device according to claim 1, characterized in that: The pressure regulating block (15) is tightly fitted to the inner wall of the second main body (2).

6. The natural gas supply pressure stabilizing device according to claim 1, characterized in that: The connecting flange (13) at the top of the main body (1) and the connecting flange (13) at the bottom of the main body (2) are both fixedly connected with a sealing ring (1) on the side close to each other.

7. The natural gas supply pressure stabilizing device according to claim 2, characterized in that: The motor (7), the controller (11) and the air pressure sensor (12) are electrically connected.

8. The natural gas supply pressure stabilizing device according to claim 1, characterized in that: The connecting flange (13) is provided with mounting holes, and both sides of the pressure regulating block (15) are fixedly connected with limiting blocks (22). Both sides of the interior of the main body (2) are provided with limiting grooves, and the limiting blocks (22) are slidably connected in the limiting grooves.

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