CN108087599A - Pressure regulator is exchanged in a kind of natural gas liquefaction - Google Patents
Pressure regulator is exchanged in a kind of natural gas liquefaction Download PDFInfo
- Publication number
- CN108087599A CN108087599A CN201711288173.8A CN201711288173A CN108087599A CN 108087599 A CN108087599 A CN 108087599A CN 201711288173 A CN201711288173 A CN 201711288173A CN 108087599 A CN108087599 A CN 108087599A
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- CN
- China
- Prior art keywords
- pressure regulation
- regulation bar
- adjustable
- hole
- natural gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of natural gas liquefactions to exchange pressure regulator, including upper cover (1) and adjustable fitting, circular through hole (4) is provided in the middle part of the upper cover (1) vertically, the adjustable fitting is made of for adjustable pressure regulation bar (3) or pressure regulation bar (2) and adjustable pressure regulation bar (3), adjustable pressure regulation bar (3) includes circular cushion block (5), pressing plate (6) and threaded portion (7), described pressing plate (6) one end is equipped with circular cushion block (5), which is disposed with threaded portion (7).The present invention can adjust adjustable fitting to control the elastic force of pressure regulation spring.
Description
Technical field
The present invention relates to pressure regulator technical fields, and pressure regulator is exchanged more particularly to a kind of natural gas liquefaction.
Background technology
The natural gas liquefaction used at present exchanges pressure regulator since pressure regulation pole length is fixed, when pressure regulation spring force has slightly
During microvariations, it may be more than the margin of tolerance that LP, which goes out air pressure,.And it is different go out air pressure, to be used in the case of different flows
Different pressure regulation springs can give production and management to make troubles.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of natural gas liquefaction and exchange pressure regulator, when the tune of same specification
When compression spring elastic force has deviation, adjustable fitting can be adjusted to control the elastic force of pressure regulation spring, in the different air pressures that goes out, different stream
A kind of pressure regulation spring can also be used in the case of amount.
The technical solution adopted by the present invention to solve the technical problems is：A kind of natural gas liquefaction is provided and exchanges pressure regulator,
Including upper cover and adjustable fitting, circular through hole is provided in the middle part of the upper cover vertically, the adjustable fitting is adjustable
Pressure regulation bar is made of pressure regulation bar and adjustable pressure regulation bar, and adjustable pressure regulation bar includes circular cushion block, pressing plate and threaded portion, institute
The pressing plate one end stated is equipped with circular cushion block, which is disposed with threaded portion；
When adjustable fitting is adjustable pressure regulation bar, the threaded portion of adjustable pressure regulation bar and the upper end opening of circular through hole
Or lower ending opening is threadedly coupled；
When adjustable fitting is made of pressure regulation bar and adjustable pressure regulation bar, the pressure regulation bar is cylindrical and inside in
Sky, one end opening, the other end seal, and connect in the middle part of the sealing end of the pressure regulation bar with the threaded portion of adjustable pressure regulation bar
It connects, the both ends of the pressure regulation bar are selected one and are threadedly coupled with the lower ending opening of circular through hole.
As a supplement to the technical solution of the present invention, described pressure regulation bar one end is sealed by end cap, institute
Convex column is provided in the middle part of the end cap inner wall stated, side wall and the pressure regulation bar inner wall and end cap inner wall of the convex column form annular limit
Position slot.
As a supplement to the technical solution of the present invention, tapped through hole is provided with vertically in the middle part of the end cap,
Vertically through convex column, the tapped through hole is connected the tapped through hole with threaded portion.
As a supplement to the technical solution of the present invention, the end cap is integrally formed with pressure regulation bar.One
Shaping reduces processing cost.
As a supplement to the technical solution of the present invention, set in the middle part of the end face of the threaded portion free end
There is interior hexagonal threaded hole.
As a supplement to the technical solution of the present invention, the pressing plate is in flattened cylindrical shape.
Advantageous effect：The present invention relates to a kind of natural gas liquefactions to exchange pressure regulator, when the pressure regulation spring force of same specification has
During deviation, adjustable fitting can be adjusted to control the elastic force of pressure regulation spring, it is different go out the different flow of air pressure in the case of
A kind of pressure regulation spring can also be used.It is the configuration of the present invention is simple, easy to use.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the internal structure schematic diagram under one NG states of the present invention program；
Fig. 3 is the internal structure schematic diagram under one LP states of the present invention program；
Fig. 4 is the internal structure schematic diagram under two LP states of the present invention program；
Fig. 5 is the internal structure schematic diagram under two NG states of the present invention program.
Diagram：1st, upper cover, 2, pressure regulation bar, 3, adjustable pressure regulation bar, 4, circular through hole, 5, circular cushion block, 6, pressing plate, 7, spiral shell
Line portion, 8, interior hexagonal threaded hole, 9, tapped through hole, 10, convex column, 11, annular spacing groove, 12, end cap.
Specific embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Scope.
Embodiments of the present invention are related to a kind of natural gas liquefaction and exchange pressure regulator, as shown in Figs. 1-5, including 1 He of upper cover
Adjustable fitting, 1 middle part of the upper cover are provided with circular through hole 4 vertically, the adjustable fitting for adjustable pressure regulation bar 3 or
Person is made of pressure regulation bar 2 and adjustable pressure regulation bar 3, and adjustable pressure regulation bar 3 includes circular cushion block 5, pressing plate 6 and threaded portion 7, described
6 one end of pressing plate circular cushion block 5 is installed, which is disposed with threaded portion 7；
When adjustable fitting is adjustable pressure regulation bar 3, the threaded portion 7 of adjustable pressure regulation bar 3 and the upper end of circular through hole 4
Opening or lower ending opening are threadedly coupled；
When adjustable fitting is made of pressure regulation bar 2 and adjustable pressure regulation bar 3, the pressure regulation bar 2 is cylindrical and interior
Portion is hollow, and one end opening, the other end seal, in the middle part of the sealing end of the pressure regulation bar 2 and threaded portion of adjustable pressure regulation bar 3
7 are threadedly coupled, and the both ends of the pressure regulation bar 2 are selected one and are threadedly coupled with the lower ending opening of circular through hole 4.
Described 2 one end of pressure regulation bar is sealed by end cap 12, and convex column 10 is provided in the middle part of 12 inner wall of end cap, should
The side wall of convex column 10 forms annular spacing groove 11 with 2 inner wall of pressure regulation bar and 12 inner wall of end cap.
12 middle part of end cap is provided with tapped through hole 9 vertically, and the tapped through hole 9 is described vertically through convex column 10
Tapped through hole 9 is connected with threaded portion 7.
The end cap 12 is integrally formed with pressure regulation bar 2.
Interior hexagonal threaded hole 8 is provided in the middle part of the end face of 7 free end of threaded portion.
The pressing plate 6 is in flattened cylindrical shape.
Embodiment
Scheme one：Adjustable fitting is pressure regulation bar 2 and adjustable pressure regulation bar 3, as shown in Fig. 2, pressure regulation bar 2 is pacified under NG states
One end equipped with end cap 12 extend into upper cover 1 and is threadedly coupled with circular through hole 4, and pressure regulation spring is installed in pressure regulation bar 2 and is buckled in ring
In shape limiting slot 11；Under LP states as shown in figure 3,2 openend of pressure regulation bar extend into upper cover 1 and is threadedly coupled with circular through hole 4,
Pressure regulation spring is sleeved on circular cushion block 5 pushes down pressure regulation spring one end by pressing plate 6 simultaneously, can control threaded portion 7 by rotating pressing plate 6
The depth extending into tapped through hole 9 adjusts the decrement of pressure regulation spring, can also allen wrench one end be extend into circle
It is connected in through hole 4 with the interior hexagonal threaded hole 8 of 7 free end of threaded portion, then rotating allen wrench can control threaded portion 7 to stretch
Enter to the depth in tapped through hole 9 to adjust the elastic force of pressure regulation spring, it is different go out the different flow of air pressure in the case of also may be used
To use a kind of pressure regulation spring, by pressure regulation bar 2 and adjustable pressure regulation bar 3 with the use of the decrement for changing pressure regulation spring.
Scheme one：Adjustable fitting is pressure regulation bar 2, as shown in figure 4, pressure regulation spring is sleeved on circular cushion block 5 together under LP states
When pressure regulation spring one end pushed down by pressing plate 6, by rotating pressing plate 6 threaded portion 7 can be controlled to extend into the depth in tapped through hole 9
Adjust the elastic force of pressure regulation spring, allen wrench one end can also be extend into circular through hole 4 in threaded portion 7 free end
Hexagonal threaded hole 8 is connected, and the depth that threaded portion 7 is extend into tapped through hole 9 can be controlled to adjust by then rotating allen wrench
Save the decrement of pressure regulation spring, it is different go out the different flow of air pressure in the case of can also use a kind of pressure regulation spring；NG states
Lower as shown in figure 5, pressure regulation spring is installed in circular through hole 4, one end is withstood by threaded portion 7, is rotated pressing plate 6 and is controlled threaded portion 7
The depth extending into tapped through hole 9, so as to change the decrement of pressure regulation spring.
Claims (6)
1. pressure regulator is exchanged in a kind of natural gas liquefaction, including upper cover (1) and adjustable fitting, it is characterised in that：The upper cover
(1) middle part is provided with circular through hole (4) vertically, the adjustable fitting for adjustable pressure regulation bar (3) or by pressure regulation bar (2) and
Adjustable pressure regulation bar (3) composition, adjustable pressure regulation bar (3) includes circular cushion block (5), pressing plate (6) and threaded portion (7), described
Pressing plate (6) one end is equipped with circular cushion block (5), which is disposed with threaded portion (7)；
When adjustable fitting is adjustable pressure regulation bar (3), threaded portion (7) and the circular through hole (4) of adjustable pressure regulation bar (3)
Upper end opening or lower ending opening are threadedly coupled；
When adjustable fitting is made of pressure regulation bar (2) and adjustable pressure regulation bar (3), the pressure regulation bar (2) it is cylindrical and
Inner hollow, one end opening, the other end seal, sealing end middle part and the adjustable pressure regulation bar (3) of the pressure regulation bar (2)
Threaded portion (7) is threadedly coupled, and the both ends of the pressure regulation bar (2) are selected one and are threadedly coupled with the lower ending opening of circular through hole (4).
2. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterised in that：The pressure regulation bar (2)
One end is sealed by end cap (12), is provided with convex column (10) in the middle part of the end cap (12) inner wall, the side of the convex column (10)
Wall forms annular spacing groove (11) with pressure regulation bar (2) inner wall and end cap (12) inner wall.
3. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 2, it is characterised in that：In the end cap (12)
Portion is provided with tapped through hole (9) vertically, which runs through convex column (10), the tapped through hole (9) and screw thread vertically
Portion (7) is connected.
4. pressure regulator is exchanged in a kind of natural gas liquefaction according to Claims 2 or 3, it is characterised in that：The end cap
(12) it is integrally formed with pressure regulation bar (2).
5. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterised in that：The threaded portion (7)
Interior hexagonal threaded hole (8) is provided in the middle part of the end face of free end.
6. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterised in that：The pressing plate (6) is in
Flattened cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288173.8A CN108087599A (en) | 2017-12-07 | 2017-12-07 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288173.8A CN108087599A (en) | 2017-12-07 | 2017-12-07 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087599A true CN108087599A (en) | 2018-05-29 |
Family
ID=62174013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711288173.8A Pending CN108087599A (en) | 2017-12-07 | 2017-12-07 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087599A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB578803A (en) * | 1944-01-07 | 1946-07-12 | William Waterman | Improvements in automatic cut-off valves |
| US5259374A (en) * | 1992-06-12 | 1993-11-09 | Miller Russell L | Diver adjustable control for underwater breathing apparatus |
| JPH0722177U (en) * | 1993-09-21 | 1995-04-21 | ファン イーチェン | safety valve |
| CN201651473U (en) * | 2010-02-09 | 2010-11-24 | 谷红军 | Double-diaphragm indoor pressure regulator |
| KR20140034604A (en) * | 2012-09-12 | 2014-03-20 | 코원에너지서비스 주식회사 | Gas pressure adjuster |
| CN105805379A (en) * | 2016-05-06 | 2016-07-27 | 宁波金欧五金制品有限公司 | Natural gas liquefaction exchange pressure regulator |
| CN206539744U (en) * | 2017-03-13 | 2017-10-03 | 海南广天恒科技发展有限公司 | Multi-functional bottled LPG pressure regulator |
| CN207609825U (en) * | 2017-12-07 | 2018-07-13 | 宁波金欧五金制品有限公司 | A kind of natural gas liquefaction exchange pressure regulator |
-
2017
- 2017-12-07 CN CN201711288173.8A patent/CN108087599A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB578803A (en) * | 1944-01-07 | 1946-07-12 | William Waterman | Improvements in automatic cut-off valves |
| US5259374A (en) * | 1992-06-12 | 1993-11-09 | Miller Russell L | Diver adjustable control for underwater breathing apparatus |
| JPH0722177U (en) * | 1993-09-21 | 1995-04-21 | ファン イーチェン | safety valve |
| CN201651473U (en) * | 2010-02-09 | 2010-11-24 | 谷红军 | Double-diaphragm indoor pressure regulator |
| KR20140034604A (en) * | 2012-09-12 | 2014-03-20 | 코원에너지서비스 주식회사 | Gas pressure adjuster |
| CN105805379A (en) * | 2016-05-06 | 2016-07-27 | 宁波金欧五金制品有限公司 | Natural gas liquefaction exchange pressure regulator |
| CN206539744U (en) * | 2017-03-13 | 2017-10-03 | 海南广天恒科技发展有限公司 | Multi-functional bottled LPG pressure regulator |
| CN207609825U (en) * | 2017-12-07 | 2018-07-13 | 宁波金欧五金制品有限公司 | A kind of natural gas liquefaction exchange pressure regulator |
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