Natural gas pollution discharge blowout preventer

Abstract

The utility model discloses a natural gas pollution discharge blowout preventer which comprises a middle connecting pipe, and the bottom of the middle connecting pipe is fixedly connected with a buffer cylinder. According to the utility model, high-pressure sewage is drained into the buffer cylinder through the middle connecting pipe, and after the high-pressure sewage is in contact with the spiral blade, the sewage is spirally downward in the buffer cylinder and then is discharged from each sewage discharge hole, so that the sewage is milder compared with a direct mode; the damping rod generally reduces vibration or swing of a mechanical system through flowing resistance of liquid or gas, the piston and high-pressure sewage flow can play a role in hedging buffering and pressure reducing by combining the damping rod with the buffering spring, and the buffering effect of sewage discharge can be further improved; the upper flange and the lower flange can be conveniently aligned during installation, the efficiency in the installation process is improved, the elastic force of the limiting springs reversely acts on the screws, after the screws are installed, the screws are not prone to loosening, and the stability of the whole device in the assembly process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas pollution prevention and blowout device technical field, concretely is a kind of natural gas pollution prevention and blowout device. BACKGROUND

[0002] In the natural gas pressure regulating process, due to the temperature change and local pressure imbalance generated by natural gas expansion, a small amount of liquid and impurities such as water vapor, precipitate, oiliness, etc. are easily produced, which will affect the stability and safety of the natural gas pressure regulating process; in order to ensure the stability and safety of the natural gas pressure regulating process, the natural gas pressure regulating cabinet will usually be provided with a pollution outlet.

[0003] A natural gas pollution prevention and blowout device with the publication number CN221880634U includes a middle pipe and a buffer cylinder installed on the middle pipe, and the middle pipe is provided with a plurality of annularly distributed clamping cavity structures for clamping the buffer cylinder; the top of the buffer cylinder is fixedly installed with a plurality of annularly distributed connecting plates, and the head of each connecting plate is fixedly installed with a sliding protrusion perpendicular to the connecting plate, and the sliding protrusion and the connecting plate form an L-shaped structure. The natural gas pollution prevention and blowout device provided by the utility model has a plurality of uniformly distributed pollution discharge holes on the buffer cylinder, thereby changing the direction of the pollution liquid outflow, effectively dispersing the external discharge impact force of the pollution liquid, and further reducing the splashing intensity during the external discharge of the pollution liquid. However, the above-mentioned natural gas pollution prevention and blowout device has a relatively simple and single buffer cylinder structure, so that the high-pressure sprayed sewage cannot be discharged, and the discharge pressure is still relatively high, resulting in poor effect. Therefore, it is necessary to provide a new natural gas pollution prevention and blowout device to solve the above-mentioned technical problems. SUMMARY

[0004] The utility model aims at providing a kind of natural gas pollution prevention and blowout device, with the advantages of discharge force buffering, convenient disassembly and reassembly and anti-loosening, solving the problems in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a natural gas blow -off preventer, include: the middle pipe, the bottom fixed connection of the middle pipe has the buffer cylinder, the outside of buffer cylinder evenly is provided with blow -off hole, the relief component, the relief component includes the piston, the piston sliding connection in the inside of buffer cylinder, buffer assembly, buffer assembly includes the damping rod, the bottom of damping rod swing joint is connected in the piston, connecting component, connecting component includes upper flange and lower flan, the bottom of upper flange fixed connection in the middle pipe, the top fixed connection of lower flan in buffer cylinder, in the process of discharging sewage, through the middle pipe and flow to the inside of buffer cylinder, when high -pressure sewage and spiral blade contact can make sewage spiral downward in the inside of buffer cylinder, then from each blow -off hole and export, compared with direct mode is more gentle, damping rod usually is through the resistance of liquid or gas flow to reduce the vibration or swing of mechanical system, in combination with buffer spring, can make piston and high -pressure sewage flow play the role of buffer and pressure relief, can further improve the buffer effect of sewage discharge, in the process of assembling the middle pipe and buffer cylinder, through the combination of clamping groove and clamping block, can conveniently make upper flange and lower flan when installing convenient alignment, improve the efficiency in the process of installation, through the elastic force of limiting spring reverse effect on screw, can make screw after installation, can make screw not easy to loosen improve the stability in the process of overall device assembly.

[0006] Preferably, the relief component further comprises a spiral blade, the spiral blade is fixedly connected to the top of the piston, the spiral blade is sleeved in the inside of the buffer cylinder, through the middle pipe and flow to the inside of the buffer cylinder, when high -pressure sewage and spiral blade contact can make sewage spiral downward in the inside of buffer cylinder, then from each blow -off hole and export, compared with direct mode is more gentle.

[0007] Preferably, the buffer assembly further comprises a buffer spring, the buffer spring is sleeved on the outside of the damping rod, the bottom of the damping rod is fixedly connected with a sliding plate, the sliding plate is slidingly connected to the inside of the buffer cylinder, the damping rod is usually through the resistance of liquid or gas flow to reduce the vibration or swing of mechanical system, in combination with buffer spring, can make piston and high -pressure sewage flow play the role of buffer and pressure relief, can further improve the buffer effect of sewage discharge.

[0008] Preferably, the bottom of the sliding plate is swingly connected with a screw rod, the screw rod is screwedly connected to the inside of the buffer cylinder, the bottom of the screw rod is fixedly connected with a knob, the screw rod can be raised and lowered by rotating along the inside of the buffer cylinder, synchronously can make the sliding plate slide and lift in the inside of the buffer cylinder, further can adjust the height of the piston sliding in the inside of the buffer cylinder to realize the adjustment of the discharge speed, improve the flexibility of the overall device.

[0009] Preferably, the bottom end of the upper flange is internally provided with a sealing groove, the top of the lower flange is fixedly connected with a sealing ring, the sealing ring can be clamped in the inside of the sealing groove, so that the upper flange and the lower flange are more sealed during assembly.

[0010] Preferably, the bottom end of the upper flange is internally provided with a clamping groove, the top of the lower flange is fixedly connected with a clamping block, the clamping block and the clamping groove are combined for use, so that the upper flange and the lower flange are more quickly aligned during assembly.

[0011] Preferably, the inside of the upper flange and the lower flange is threadedly connected with three screws, the outside of the three screws is sleeved with a limiting spring, during assembly of the centering pipe and the buffer cylinder, the clamping groove and the clamping block are combined, so that the upper flange and the lower flange are conveniently aligned during installation, the efficiency during installation is improved, the limiting spring is reversely acted on the screw through elastic force, so that the screw is not easy to loosen after installation, and the stability during assembly of the whole device is improved.

[0012] Compared with the prior art, the natural gas sewage discharge blowout preventer has the following beneficial effects:

[0013] Firstly, during sewage discharge, the sewage is introduced into the buffer cylinder through the centering pipe, after the high-pressure sewage contacts the spiral blade, the sewage spirally downward in the buffer cylinder, and then is discharged from each sewage discharge hole, which is more moderate than the direct mode, the damping rod usually reduces the vibration or swing of a mechanical system through the resistance of liquid or gas flow, in combination with the buffer spring, the piston and the high-pressure sewage flow play the role of buffer and pressure reduction, and the buffer effect of sewage discharge is further improved.

[0014] Secondly, during assembly of the centering pipe and the buffer cylinder, the clamping groove and the clamping block are combined, so that the upper flange and the lower flange are conveniently aligned during installation, the efficiency during installation is improved, the limiting spring is reversely acted on the screw through elastic force, so that the screw is not easy to loosen after installation, and the stability during assembly of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an external structure schematic view of the natural gas sewage discharge blowout preventer.

[0016] Figure 2 It is an internal structure schematic view of the natural gas sewage discharge blowout preventer.

[0017] Figure 3 It is an external structure schematic view of the spiral blade of the natural gas sewage discharge blowout preventer.

[0018] Figure 4 It is a screw disassembly structure schematic view of the natural gas blow-off prevention device.

[0019] In the figure: 1, the middle pipe; 2, the upper flange; 3, the lower flange; 4, the buffer cylinder; 5, the blowhole; 6, the piston; 7, the spiral blade; 8, the sliding plate; 9, the screw; 10, the damping rod; 11, the buffer spring; 12, the knob; 13, the sealing groove; 14, the sealing ring; 15, the clamping groove; 16, the clamping block; 17, the screw; 18, the limiting spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a natural gas blow-off prevention device, it includes: the middle pipe 1, the bottom fixed connection of middle pipe 1 has buffer cylinder 4, and buffer cylinder 4's outside evenly is equipped with blowhole 5;Force relief assembly, force relief assembly includes piston 6, and piston 6 is connected in the inside of buffer cylinder 4 slidingly;Buffer assembly, buffer assembly includes damping rod 10, and damping rod 10 is rotatably connected to the bottom of piston 6;Connecting assembly, connecting assembly includes upper flange 2 and lower flange 3, and upper flange 2 is fixedly connected to the bottom of middle pipe 1, and lower flange 3 is fixedly connected to the top of buffer cylinder 4, in the process of discharging sewage, through middle pipe 1 is drained to the inside of buffer cylinder 4, when high pressure sewage and spiral blade 7 contact can make sewage spiral downward in the inside of buffer cylinder 4, then is discharged from each blowhole 5, compared with direct mode is more gentle, damping rod 10 usually is through the resistance of liquid or gas flow to reduce the vibration or swing of mechanical system, in combination with buffer spring 11, can make piston 6 and high pressure sewage flow play the role of buffer and pressure relief, can further improve the buffer effect of sewage discharge, in the process of assembling middle pipe 1 and buffer cylinder 4, through the combination of clamping groove 15 and clamping block 16, can conveniently make upper flange 2 and lower flange 3 when installing convenient alignment, improve the efficiency in the process of installation, through the elastic force of limiting spring 18 is reversely acted on screw 17, can make screw 17 after installation, can make screw 17 not easy to loosen and improve the stability in the process of overall device assembly.

[0022] The force leaking assembly further comprises a spiral blade 7 fixedly connected to the top of the piston 6, the spiral blade 7 is sleeved in the inside of the buffer cylinder 4, and the high-pressure sewage is drained to the inside of the buffer cylinder 4 through the middle connecting pipe 1, and after the high-pressure sewage contacts the spiral blade 7, the sewage spirally downward in the inside of the buffer cylinder 4, and then is discharged from each sewage discharge hole 5, which is more gentle than a direct mode.

[0023] The buffer assembly further comprises a buffer spring 11 sleeved outside the damping rod 10, the bottom of the damping rod 10 is fixedly connected with a sliding plate 8, the sliding plate 8 is slidingly connected to the inside of the buffer cylinder 4, the damping rod 10 usually reduces the vibration or swing of a mechanical system through the resistance of liquid or gas flow, and in combination with the buffer spring 11, the piston 6 and the high-pressure sewage flow can play a role of buffer and pressure reduction, and the buffer effect of sewage discharge can be further improved.

[0024] The bottom of the sliding plate 8 is movably and rotatably connected with a screw rod 9, the screw rod 9 is threadedly rotatably connected to the inside of the buffer cylinder 4, the bottom of the screw rod 9 is fixedly connected with a knob 12, the screw rod 9 can be raised and lowered through rotation along the inside of the buffer cylinder 4, and simultaneously the sliding plate 8 can be raised and lowered in the inside of the buffer cylinder 4, further the height of the piston 6 sliding in the inside of the buffer cylinder 4 can be adjusted to realize adjustment of the discharge speed, and the flexibility of the whole device can be improved.

[0025] The bottom end of the upper flange 2 is internally provided with a sealing groove 13, the top of the lower flange 3 is fixedly connected with a sealing ring 14, the sealing ring 14 can be clamped in the inside of the sealing groove 13, so that the upper flange 2 and the lower flange 3 have better sealing performance during assembly.

[0026] The bottom end of the upper flange 2 is internally provided with a clamping groove 15, the top of the lower flange 3 is fixedly connected with a clamping block 16, the clamping block 16 and the clamping groove 15 are used in combination, so that the upper flange 2 and the lower flange 3 can be more quickly aligned during assembly.

[0027] When the natural gas sewage blowout prevention device is used, after the high-pressure sewage contacts the spiral blade 7, the sewage spirally downward in the inside of the buffer cylinder 4, and then is discharged from each sewage discharge hole 5, which is more gentle than a direct mode, the damping rod 10 usually reduces the vibration or swing of a mechanical system through the resistance of liquid or gas flow, and in combination with the buffer spring 11, the piston 6 and the high-pressure sewage flow can play a role of buffer and pressure reduction.

[0028] Please refer to Figures 1 to 4The utility model provides a technical scheme: a natural gas blow-off prevention device, the inside common screw thread rotation connection of upper flange 2 and lower flan 3 has three screws 17, the outside of three screws 17 all sets up limit spring 18, in the process of assembling to centering union pipe 1 and buffer cylinder 4, through the combination of clamping groove 15 and clamping block 16, can conveniently make upper flange 2 and lower flan 3 when installing convenient alignment, improve the efficiency in the installation process, through the elastic force of limit spring 18 reverse action on screw 17, can make screw 17 after installation, can make screw 17 not easy to loosen and improve the stability in the overall device assembly process.

[0029] The natural gas blow-off prevention device is convenient to align the upper flange 2 and the lower flange 3 during installation, improves the efficiency in the installation process, and reversely acts on the screw 17 through the elastic force of the limit spring 18, so that the screw 17 is not easy to loosen after installation, and the stability in the overall device assembly process is improved.

[0030] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description and the drawings can also be processed according to the existing technical knowledge without doubt, meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional type in the existing technology, so the specific description is not made here.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A natural gas blowout preventer, comprising: Include: The middle pipe (1), the bottom of the middle pipe (1) is fixedly connected with the buffer cylinder (4), the outside of the buffer cylinder (4) is uniformly provided with the sewage hole (5); The force relief assembly includes a piston (6), the piston (6) is slidingly connected to the inside of the buffer cylinder (4); The buffer assembly includes a damping rod (10), the damping rod (10) is movably connected to the bottom of the piston (6); The connecting assembly includes an upper flange (2) and a lower flange (3), the upper flange (2) is fixedly connected to the bottom of the middle pipe (1), the lower flange (3) is fixedly connected to the top of the buffer cylinder (4).

2. The natural gas blowout preventer of claim 1, wherein: The force relief assembly further includes a spiral blade (7), the spiral blade (7) is fixedly connected to the top of the piston (6), the spiral blade (7) is sleeved on the inside of the buffer cylinder (4).

3. The natural gas blowout preventer of claim 1, wherein: The buffer assembly further includes a buffer spring (11), the buffer spring (11) is sleeved on the outside of the damping rod (10), the bottom of the damping rod (10) is fixedly connected with a sliding plate (8), the sliding plate (8) is slidingly connected to the inside of the buffer cylinder (4).

4. The natural gas blowout preventer of claim 3, wherein: The bottom of the sliding plate (8) is movably connected with a screw rod (9), the screw rod (9) is threadedly connected to the inside of the buffer cylinder (4), the bottom of the screw rod (9) is fixedly connected with a knob (12).

5. The natural gas blowout preventer of claim 1, wherein: The bottom of the upper flange (2) is internally provided with a sealing groove (13), the top of the lower flange (3) is fixedly connected with a sealing ring (14).

6. The natural gas blowout preventer of claim 1, wherein: The bottom of the upper flange (2) is internally provided with a clamping groove (15), the top of the lower flange (3) is fixedly connected with a clamping block (16).

7. The natural gas blowout preventer of claim 1, wherein: The inside of the upper flange (2) and the lower flange (3) is threadedly connected with three screws (17), the outside of the three screws (17) is sleeved with a limiting spring (18).

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