CN208365206U - A kind of gas pipeline pressure adjusting pressure control device - Google Patents
A kind of gas pipeline pressure adjusting pressure control device Download PDFInfo
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- CN208365206U CN208365206U CN201820732640.5U CN201820732640U CN208365206U CN 208365206 U CN208365206 U CN 208365206U CN 201820732640 U CN201820732640 U CN 201820732640U CN 208365206 U CN208365206 U CN 208365206U
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Abstract
The utility model discloses a kind of gas pipeline pressures to adjust pressure control device, including air inlet pipe, anti-leak box and lid, the end flange of the air inlet pipe is connected with direct-operated regulator, and the other end flanged joint of direct-operated regulator has level-one escape pipe, the outer sheath of direct-operated regulator is equipped with anti-leak box, the top of anti-leak box is welded with connection ring, the top of connection ring is connected with lid, the upper end of lid is connected with return pipe, the other end flanged joint of level-one escape pipe has pressure reducer, the other end flanged joint of pressure reducer has second level escape pipe, the side of direct-operated regulator and the side of pressure reducer are respectively arranged with connecting tube, the present apparatus connects direct-operated regulator and pressure reducer, direct-operated regulator stablizes the pressure of gas in a small range, pressure reducer is further decompressed to using pressure, output pressure is stablized, and energy When enough anti-leaks, maintenance or replacement, without stopping line, be conducive to the promotion of production capacity.
Description
Technical field
The utility model relates to chemical pipeline technical fields more particularly to a kind of gas pipeline pressure to adjust pressure control device.
Background technique
Gas is in pipe conveying procedure, and guarantee is metastable very necessary using pressure, and gas pressure regulation in reality
The equipment kind of pressure stabilizing is few, mainly uses pressure reducer and direct-operated regulator, and pressure reducer is a kind of by upstream pressure tune
It is low, and can pressure stabilizing gas pipeline accessory, can be kept to using pressure, and have certain pressure stabilizing directly by upstream high gas
Ability, still, when the pressure of gas flow and upstream changes, outlet pressure will appear fluctuation, and direct-operated regulator is
It is a kind of to automatically turn down upstream pressure, and the metastable gas pipeline accessory of basic guarantee outlet pressure, it can be by upstream height
Body of calming the anger is adjusted to using pressure, and has certain pressure stabilizing ability, but its applicable upstream pressure range is smaller, common more
For 4.0Mpa hereinafter, range of pressure fluctuations is larger, and flow it is smaller or temporarily when not used, have internal gas leakage be not closed completely it is close
System overpressure phenomenon is caused, meanwhile, when repair apparatus, needs to stop line, is unfavorable for the promotion of production capacity.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of gas pipeline pressure proposed
Power adjusts pressure control device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of gas pipeline pressure adjusting pressure control device, including air inlet pipe, anti-leak box and lid, the one of the air inlet pipe
End flanges are connected with direct-operated regulator, and the other end flanged joint of direct-operated regulator has level-one escape pipe, self-operated type tune
The outer sheath for saving valve is equipped with anti-leak box, and the top of anti-leak box is welded with connection ring, and the top of connection ring is connected with lid, lid
The upper end of body is connected with return pipe, and one end of return pipe and lid are welded to connect, the other end and level-one outlet tube method of return pipe
Orchid connection, the other end flanged joint of level-one escape pipe have pressure reducer, and the other end flanged joint of pressure reducer has second level escape pipe,
The side of direct-operated regulator and the side of pressure reducer are respectively arranged with connecting tube.
Preferably, the top of the anti-leak box offers connecting hole, and the both ends of direct-operated regulator are plugged on respectively
The inside of connecting hole, the outer wall of direct-operated regulator and the inner wall of connecting hole are welded to connect.
Preferably, the edge of the lid is provided with link block, and link block and the inner wall of connection ring are in contact.
Preferably, the section of the connection ring is in U-shape structure, and the top of connection ring and link block offers screw thread respectively
Hole, the inner thread of threaded hole are connected with clamping screw, and connection ring is connected with link block by clamping screw.
Preferably, the side wall of the air inlet pipe offers through-hole, and air intake branch is welded in through-hole, air intake branch it is another
End flange is connected with connecting tube, and the other end flanged joint of connecting tube has going out gas branch pipe, the other end and level-one of going out gas branch pipe
Escape pipe is welded to connect.
Preferably, the side wall of the level-one escape pipe offers through-hole, and air intake branch is welded in through-hole, air intake branch
Other end flanged joint have a connecting tube, the other end flanged joint of connecting tube has a going out gas branch pipe, the other end of going out gas branch pipe and
Second level escape pipe is welded to connect.
The beneficial effects of the utility model are:
1, the utility model connects direct-operated regulator and pressure reducer, and direct-operated regulator can be steady by the pressure of gas
It is scheduled on a small range, is then further decompressed to by pressure reducer using pressure again, achievees the purpose that output pressure is stable.
2, the utility model is provided with anti-leak box in the outside of direct-operated regulator, can leak direct-operated regulator
Gas backstreaming, be conducive to keep stable gas pressure, and reduce leakage bring loss.
3, the utility model maintenance and replacement component are convenient, and when overhauling or replacing, available unit replaces connecting tube, without stopping
Line is conducive to the promotion of production capacity.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of gas pipeline pressure adjust pressure control device schematic view of the front view;
Fig. 2 be the utility model proposes a kind of gas pipeline pressure adjust pressure control device local main view structure
Figure.
In figure: 1 air inlet pipe, 2 direct-operated regulators, 3 level-one escape pipes, 4 anti-leak boxes, 5 connection rings, 6 lids, 61 connections
Block, 7 clamping screws, 8 return pipes, 9 pressure reducers, 10 second level escape pipes, 11 air intake branches, 12 connecting tubes, 13 going out gas branch pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of gas pipeline pressure adjusts pressure control device, including air inlet pipe 1, anti-leak box 4 and lid 6,
The end flange of air inlet pipe 1 is connected with direct-operated regulator 2, and the top of air inlet pipe 1 is equipped with gate valve, and direct-operated regulator 2
Other end flanged joint have level-one escape pipe 3, the both ends of level-one escape pipe 3 are separately installed with gate valve, direct-operated regulator 2
Outer sheath is equipped with anti-leak box 4, and the top of anti-leak box 4 offers connecting hole, and grafting is distinguished at the both ends of direct-operated regulator 2
In the inside of connecting hole, the outer wall of direct-operated regulator 2 and the inner wall of connecting hole are welded to connect, the top welding of anti-leak box 4
There is connection ring 5, the top of connection ring 5 is connected with lid 6, and the edge of lid 6 is provided with link block 61, and link block 61 and connection
The inner wall of ring 5 is in contact, and the section of connection ring 5 is in U-shape structure, and the inside of connection ring 5 is filled with sealing fluid, connection ring 5 and even
The top for connecing block 61 offers threaded hole respectively, and the inner thread of threaded hole is connected with clamping screw 7, connection ring 5 and link block
61 are connected by clamping screw 7, and the upper end of lid 6 is connected with return pipe 8, and one end of return pipe 8 and lid 6 are welded to connect, return
3 flanged joint of the other end and level-one escape pipe of flow tube 8, the other end flanged joint of level-one escape pipe 3 have pressure reducer 9, decompression
The other end flanged joint of device 9 has second level escape pipe 10, and the top of second level escape pipe 10 is equipped with gate valve, direct-operated regulator 2
Side and the side of pressure reducer 9 be respectively arranged with connecting tube 12, the side wall of air inlet pipe 1 offers through-hole, and welding in through-hole
There is air intake branch 11, the other end flanged joint of air intake branch 11 has connecting tube 12, and the other end flanged joint of connecting tube 12 has
Going out gas branch pipe 13, the other end and level-one escape pipe 3 of going out gas branch pipe 13 are welded to connect, and the side wall of level-one escape pipe 3 offers logical
Hole, and air intake branch 11 is welded in through-hole, the top of air intake branch 11 is equipped with gate valve, another end flanges of air intake branch 11
It is connected with connecting tube 12, the other end flanged joint of connecting tube 12 has going out gas branch pipe 13, and the top of going out gas branch pipe 13 is equipped with lock
Valve, the other end and second level escape pipe 10 of going out gas branch pipe 13 are welded to connect.
Embodiment one: when installation direct-operated regulator 2, before assembling lid 6, sealing is first perfused inside connection ring 5
Liquid, liquid level are the one third of 5 depth of connection ring, are filled with working gas into anti-leak box 4, air is discharged, then will lid
Body 6 is mounted on 5 top of connection ring, and link block 61 is plugged on the inside of connection ring 5, and return pipe 8 and level-one escape pipe 3 are used spiral shell
Bolt is fixed, and is fixedly connected with block 61 and connection ring 5 using clamping screw 7, when debugging, is passed through gas, gas is in level-one escape pipe 3
Enter anti-leak box 4, when 3 air pressure balance of anti-leak box 4 and level-one escape pipe, production, air inlet pipe 1, level-one through return pipe 8
The gate valve on 10 top of escape pipe 3 and earphone escape pipe is opened, remaining gate valve is closed, and gas is passed through through air inlet pipe 1, and self-operated type is adjusted
Valve 2 can stablize the pressure of gas in a small range, and gas enters pressure reducer 9 through level-one escape pipe 3, then by pressure reducer 9 into
One step is decompressed to using pressure, achievees the purpose that output pressure is stable, once direct-operated regulator 2 leaks, gas enters
Anti-leak box 4,4 air pressure inside of anti-leak box increase, and gas flows into level-one escape pipe 3 by return pipe 8, are conducive to keep air pressure
Stablize, and reduces leakage bring loss.
Embodiment two: when replacement pressure reducer 9, the gate valve at 9 both ends of pressure reducer is first kept to open, air intake branch 11 and outlet branch
The gate valve on 13 top of pipe is closed, and connecting tube 12 is removed, new pressure reducer 9 is connected with air intake branch 11 and going out gas branch pipe 13 respectively
It connects, then opens the gate valve on 13 top of air intake branch 11 and going out gas branch pipe, while by level-one escape pipe 3 and second level escape pipe 3
The gate valve on top is closed, and online replacement can be completed.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of gas pipeline pressure adjusts pressure control device, including air inlet pipe (1), anti-leak box (4) and lid (6), feature
It is, the end flange of the air inlet pipe (1) is connected with direct-operated regulator (2), and another hold-carrying of direct-operated regulator (2)
Orchid is connected with level-one escape pipe (3), and the outer sheath of direct-operated regulator (2) is equipped with anti-leak box (4), anti-leak box (4) it is upper
Portion is welded with connection ring (5), and the top of connection ring (5) is connected with lid (6), and the upper end of lid (6) is connected with return pipe (8),
One end of return pipe (8) and lid (6) are welded to connect, the other end and level-one escape pipe (3) flanged joint of return pipe (8), and one
The other end flanged joint of grade escape pipe (3) has pressure reducer (9), and the other end flanged joint of pressure reducer (9) has second level escape pipe
(10), the side of direct-operated regulator (2) and the side of pressure reducer (9) are respectively arranged with connecting tube (12).
2. a kind of gas pipeline pressure according to claim 1 adjusts pressure control device, which is characterized in that the anti-leak box
(4) top offers connecting hole, and the both ends of direct-operated regulator (2) are plugged on the inside of connecting hole, self-operated type tune respectively
The inner wall of the outer wall and connecting hole that save valve (2) is welded to connect.
3. a kind of gas pipeline pressure according to claim 1 adjusts pressure control device, which is characterized in that the lid (6)
Edge be provided with link block (61), and link block (61) and the inner wall of connection ring (5) are in contact.
4. a kind of gas pipeline pressure according to claim 1 or 3 adjusts pressure control device, which is characterized in that the connection
The section of ring (5) is in U-shape structure, and the top of connection ring (5) and link block (61) offers threaded hole respectively, threaded hole it is interior
Wall is threaded with clamping screw (7), and connection ring (5) and link block (61) are connected by clamping screw (7).
5. a kind of gas pipeline pressure according to claim 1 adjusts pressure control device, which is characterized in that the air inlet pipe
(1) side wall offers through-hole, and air intake branch (11) are welded in through-hole, and the other end flanged joint of air intake branch (11) has
Connecting tube (12), the other end flanged joint of connecting tube (12) have going out gas branch pipe (13), the other end and one of going out gas branch pipe (13)
Grade escape pipe (3) is welded to connect.
6. a kind of gas pipeline pressure according to claim 1 adjusts pressure control device, which is characterized in that the level-one outlet
The side wall of pipe (3) offers through-hole, and air intake branch (11) are welded in through-hole, the other end flanged joint of air intake branch (11)
Have connecting tube (12), the other end flanged joint of connecting tube (12) has going out gas branch pipe (13), the other end of going out gas branch pipe (13) and
Second level escape pipe (10) is welded to connect.
Priority Applications (1)
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CN201820732640.5U CN208365206U (en) | 2018-05-17 | 2018-05-17 | A kind of gas pipeline pressure adjusting pressure control device |
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CN201820732640.5U CN208365206U (en) | 2018-05-17 | 2018-05-17 | A kind of gas pipeline pressure adjusting pressure control device |
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CN208365206U true CN208365206U (en) | 2019-01-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116906823A (en) * | 2023-07-17 | 2023-10-20 | 深圳沃飞科技有限公司 | Integrated comprehensive control box for conveying various gases |
-
2018
- 2018-05-17 CN CN201820732640.5U patent/CN208365206U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116906823A (en) * | 2023-07-17 | 2023-10-20 | 深圳沃飞科技有限公司 | Integrated comprehensive control box for conveying various gases |
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