CN111518597A - Be used for multistage accuse depressor of natural gas recovery - Google Patents
Be used for multistage accuse depressor of natural gas recovery Download PDFInfo
- Publication number
- CN111518597A CN111518597A CN202010370969.3A CN202010370969A CN111518597A CN 111518597 A CN111518597 A CN 111518597A CN 202010370969 A CN202010370969 A CN 202010370969A CN 111518597 A CN111518597 A CN 111518597A
- Authority
- CN
- China
- Prior art keywords
- spring
- natural gas
- rod
- hole
- gas recovery
- 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.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a multi-stage pressure controller for natural gas recovery, which comprises a machine body, an adjusting mechanism and a limiting mechanism, wherein end covers are fixedly arranged at two ends of the machine body, an air inlet is fixedly arranged on the end cover at one end of the machine body, a first exhaust hole and a second exhaust hole are symmetrically and fixedly arranged at the top of the machine body, a second piston cylinder is connected inside the machine body in a sliding manner, first springs are fixedly arranged at two ends of the second piston cylinder, a concave hole is formed in one end of the second piston cylinder, a second spring is fixedly arranged in the concave hole of the second piston cylinder, a third spring is sleeved in the second spring, the diameter of the second spring is larger than that of the third spring, a first piston cylinder is connected in the concave hole of the second piston cylinder in a sliding manner, a through hole is formed in one end of the first piston cylinder, and the multi-stage pressure controller for natural gas recovery, The operation is convenient, the hierarchical regulation and control of atmospheric pressure to the natural gas is convenient for, and the practicality is higher.
Description
Technical Field
The invention relates to the technical field of natural gas recovery, in particular to a multi-stage pressure controller for natural gas recovery.
Background
Natural gas is a gaseous fossil fuel consisting primarily of methane. It is mainly found in oil fields and natural gas fields, and also in coal seams in small quantities. Natural gas is also buried in underground closed geological structures like crude oil, and some are stored at the same level as crude oil and some exist independently. For natural gas that is stored at the same level as the crude oil, it is produced along with the crude oil. The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. Natural gas is composed mainly of gaseous low molecular hydrocarbons mixed with non-hydrocarbon gases.
The in-process of the recovery of natural gas need be controlled the atmospheric pressure of natural gas, regulate and control the atmospheric pressure of natural gas to within certain numerical value, make things convenient for personnel to operate, and different numerical values correspond different equipment, lead to complex operation, are unfavorable for reducing duty cycle, and have increased the cost of production, for this reason, we propose one kind and be used for the multistage accuse depressor of natural gas recovery.
Disclosure of Invention
The present invention is directed to a multi-stage pressure controller for natural gas recovery, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-stage pressure controller for natural gas recovery comprises a machine body, an adjusting mechanism and a limiting mechanism, wherein end covers are fixedly mounted at two ends of the machine body, an air inlet hole is formed in the end cover at one end of the machine body, a first exhaust hole and a second exhaust hole are symmetrically and fixedly mounted at the top of the machine body, a second piston cylinder is connected to the machine body in a sliding mode, a first spring is fixedly mounted at two ends of the second piston cylinder, a concave hole is formed in one end of the second piston cylinder, a second spring is fixedly mounted in the concave hole of the second piston cylinder, a third spring is sleeved in the second spring, the diameter of the second spring is larger than that of the third spring, a first piston cylinder is connected to the second piston cylinder in the concave hole in a sliding mode, a through hole is formed in one end of the first piston cylinder, and the diameter of the through hole at one end of the first piston cylinder is, the end cover of the end of the machine body, which is far away from the air inlet hole, is symmetrically provided with extension holes, the end cover of the end of the machine body, which is far away from the air inlet hole, is rotatably connected with an adjusting mechanism through a rotating shaft of the extension holes, and the bottom of one end of the adjusting mechanism is fixedly connected with a limiting mechanism.
Preferably, adjustment mechanism includes dead lever, sharp piece, connecting rod, locking lever, pressure disk and pulling rod, dead lever fixed mounting is in the central authorities of end cover, the dead lever is kept away from the one end fixed mounting of end cover and is had the pressure disk, just the pulling rod has been cup jointed outward to the one end of dead lever, the spout has been seted up to the one end longitudinal symmetry of dead lever, the spout of dead lever and the one end sliding connection of sharp piece, the one end sliding connection that the dead lever was kept away from to sharp piece is in one side of end cover, just fixed mounting is in one side of pulling rod about the one end of sharp piece is equal, the one end that the pulling rod was kept away from to sharp piece is rotated through the one end of pivot and connecting rod and is connected, the other end of connecting rod is rotated through the middle part of pivot and is connected.
Preferably, stop gear includes button, first voussoir, second voussoir and return spring, button fixed mounting is in the one end of first voussoir, first voussoir sliding connection is at the low side of pulling the pole, just the mounting hole has been seted up to the low side of pulling the pole, the constant head tank has been seted up at the top of the mounting hole of pulling the pole, just sliding connection has the second voussoir in the constant head tank of pulling the pole, the one end of keeping away from the button of pulling the pole and return spring's one end fixed connection, just return spring's the other end fixed mounting is in the one end of the mounting hole of pulling the pole, first voussoir and second voussoir mutually support.
Preferably, the two ends of the extension hole on the end cover are both provided with flexible hooks, and the extension hole on the end cover is connected with a rotating disc in a sliding manner.
Preferably, one side of the top end of the pulling rod is provided with a limiting pin.
Preferably, one side of the end cover is provided with limiting holes in an up-down symmetrical mode.
Compared with the prior art, the invention has the beneficial effects that: the device is adjusted according to the required air pressure, the first piston cylinder and the second piston cylinder are matched with each other, so that gas can be discharged from the first exhaust hole or the second exhaust hole conveniently, the adjustment mechanism is convenient for adjusting and controlling the first piston cylinder and the second piston cylinder, and the first spring is arranged between the first piston cylinder and the second piston cylinder; the multistage accuse depressor simple structure, simple operation, be convenient for carry out hierarchical regulation and control to the atmospheric pressure of natural gas for the whole operation of equipment is safe, this is used for the multistage accuse depressor of natural gas recovery, the practicality is higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the air intake installation;
FIG. 3 is a schematic view of an adjustment mechanism;
FIG. 4 is a schematic view of a spacing mechanism;
FIG. 5 is a schematic view of the first and second piston cylinders being installed;
FIG. 6 is a schematic side view of the overall structure of the present invention;
fig. 7 is a schematic view of a rotating disc installation.
In the figure: 1. a body; 2. an adjustment mechanism; 3. a limiting mechanism; 4. an end cap; 5. an air inlet; 6. a first exhaust port; 7. a second vent hole; 8. a second piston cylinder; 9. a first spring; 10. a second spring; 11. A third spring; 12. a first piston cylinder; 13. fixing the rod; 14. a straight line block; 15. a connecting rod; 16. a stopper rod; 17. a platen; 18. pulling a rod; 19. a button; 20. a first wedge; 21. a second wedge; 22. A return spring; 23. and (6) rotating the disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a multi-stage pressure controller for natural gas recovery comprises a machine body 1, an adjusting mechanism 2 and a limiting mechanism 3, wherein end covers 4 are fixedly mounted at two ends of the machine body 1, an air inlet 5 is fixedly mounted at one end of the machine body 1, a first exhaust hole 6 and a second exhaust hole 7 are symmetrically and fixedly mounted at the top of the machine body 1, a second piston cylinder 8 is slidably connected inside the machine body 1, a first spring 9 is fixedly mounted at two ends of the second piston cylinder 8, a concave hole is formed in one end of the second piston cylinder 8, a second spring 10 is fixedly mounted in the concave hole of the second piston cylinder 8, a third spring 11 is sleeved in the second spring 10, the diameter of the second spring 10 is larger than that of the third spring 11, a first piston cylinder 12 is slidably connected in the concave hole of the second piston cylinder 8, a through hole is formed in one end of the first piston cylinder 12, and the diameter of the through hole at one end of the first piston cylinder 12 is larger than that of the third spring 11, an extension hole is symmetrically formed in the end cover 4 at one end of the machine body 1 far away from the air inlet 5, the end cover 4 at one end of the machine body 1 far away from the air inlet 5 is rotatably connected with the adjusting mechanism 2 through a rotating shaft of the extension hole, the bottom of one end of the adjusting mechanism 2 is fixedly connected with the limiting mechanism 3, the matched gas of the second piston cylinder 8 and the first piston cylinder 12 is discharged from the first exhaust hole 6 or the second exhaust hole 7, and the first spring 9, the second spring 10 and the third spring 11 are mutually matched to facilitate the discharge of the gas of the second piston cylinder 8 and the first piston cylinder 12.
The adjusting mechanism 2 comprises a fixed rod 13, a linear block 14, a connecting rod 15, a stop rod 16, a pressure plate 17 and a pulling rod 18, the fixed rod 13 is fixedly arranged at the center of the end cover 4, the end of the fixed rod 13, far away from the end cover 4, is fixedly provided with the pressure plate 17, one end of the fixed rod 13 is sleeved with the pulling rod 18, one end of the fixed rod 13 is symmetrically provided with sliding grooves up and down, the sliding grooves of the fixed rod 13 are connected with one end of the linear block 14 in a sliding manner, one end of the linear block 14, far away from the fixed rod 13, is connected to one side of the end cover 4 in a sliding manner, one end of the linear block 14 is fixedly arranged on one side of the pulling rod 18 from top to bottom, one end of the linear block 14, far away from the pulling rod 18, is rotatably connected with one end of the connecting rod 15 through a rotating shaft, the other end of the, the fixing rod 13 facilitates installation of the linear block 14, the connecting rod 15, the stop rod 16, the pressure plate 17 and the pulling rod 18, the linear block 14 facilitates matching of the pulling rod 18 to achieve movement of the connecting rod 15 and the stop rod 16, the pressure plate 17 facilitates limiting of the third spring 11, the connecting rod 15 and the stop rod 16 facilitate limiting of the first piston cylinder 12, stop lugs are symmetrically arranged at the upper end and the lower end of one end of the first piston cylinder 12 to facilitate matching of the stop rod 16 to fix the first piston cylinder 12, and displacement of the stop rod 16 is achieved by the connecting rod 15.
The limiting mechanism 3 comprises a button 19, a first wedge 20, a second wedge 21 and a return spring 22, the button 19 is fixedly mounted at one end of a first wedge 20, the first wedge 20 is slidably connected to the lower end of the pulling rod 18, and the lower end of the pulling rod 18 is provided with a mounting hole, the top of the mounting hole of the pulling rod 18 is provided with a positioning groove, a second wedge block 21 is connected in the positioning groove of the pulling rod 18 in a sliding manner, one end of the pulling rod 18 far away from the button 19 is fixedly connected with one end of a return spring 22, and the other end of the return spring 22 is fixedly installed at one end of the installation hole of the pulling rod 18, first voussoir 20 and second voussoir 21 cooperate each other, and first voussoir 20, second voussoir 21 cooperate each other and carry on spacingly to dead lever 13, and the constant head tank has been seted up to the one end of dead lever 13, and button 19 and return spring 22 cooperate each other to be convenient for realize the location of first voussoir 20 to dead lever 13.
The flexible clamping hooks are arranged at two ends of an extension hole in the end cover 4, the rotating disc 23 is connected in the extension hole in the end cover 4 in a sliding mode, sliding columns are symmetrically arranged on two sides of the rotating disc 23 and are matched with the flexible clamping hooks, and the rotating disc 23 is limited.
One side of the top end of the pulling rod 18 is provided with a limiting pin, so that the fixing of the adjusting mechanism 2 is convenient to realize, and the excessive movement of the adjusting mechanism is prevented.
And one side of the end cover 4 is provided with limiting holes in up-down symmetry, so that the first spring 9 can move conveniently in a matching manner.
The working principle is as follows: critical pressures a, b, c, d are set and are sequentially increased. When c < air pressure < d, and the state is a high pressure state, the first exhaust hole 6 is closed, the second exhaust hole 7 is opened, the stop rod 16 is contracted, and the limiting hole is closed. Gas enters from the gas inlet 5, presses the second piston cylinder 8 and the first piston cylinder 12 to move left (the first piston cylinder 12 is contacted with the end cover 4), when the second piston cylinder 8 is continuously pressed at the moment, the first spring 9, the second spring 10 and the third spring 11 all act (the third spring 11 is contacted with the pressure plate 17 to act), the gas can be discharged from the second exhaust hole 7 by overcoming the total elastic force of the three springs, when b < gas pressure < c, the gas is in a medium-pressure state at the moment, the first exhaust hole 6 is closed, the second exhaust hole 7 is opened, the stop rod 16 is contracted, and the limit hole is opened. Gas enters from the gas inlet 5, the second piston cylinder 8 and the first piston cylinder 12 are pressed to move leftwards (the first piston cylinder 12 is contacted with the end cover 4), when the second piston cylinder 8 is continuously pressed, the second spring 10 and the third spring 11 are both acted (the third spring 11 is contacted with the pressure plate 17), the first spring 9 is not acted (extends out from the limit hole of the end cover 4), the gas can be discharged from the second exhaust hole 7 only by overcoming the total elastic force of the two springs, when the a < the gas pressure < b, the low-pressure state is realized, the second exhaust hole 7 is closed, the first exhaust hole 6 is opened, the stop rod 16 is opened, and the limit hole is closed. Gas enters from the gas inlet hole 5, presses the second piston cylinder 8 and the first piston cylinder 12 to move leftwards (the first piston cylinder 12 is contacted with the stop rod 16 and can not move leftwards continuously), when the second piston cylinder 8 is pressed continuously, only the second spring 10 is acted (the first spring 9 is not contacted with the end cover 4, and the third spring 11 does not work after extending out of the through hole of the first piston cylinder 12), and the gas can be discharged from the first gas outlet hole 6 by overcoming the total elastic force of one spring.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a be used for multistage accuse depressor of natural gas recovery, includes organism (1), adjustment mechanism (2) and stop gear (3), its characterized in that: the equal fixed mounting in both ends of organism (1) has end cover (4), end cover (4) fixed mounting of organism (1) one end has inlet port (5), the top symmetry fixed mounting of organism (1) has first exhaust hole (6) and second exhaust hole (7), the inside sliding connection of organism (1) has second piston section of thick bamboo (8), the equal fixed mounting in both ends of second piston section of thick bamboo (8) has first spring (9), the shrinkage pool has been seted up to the one end of second piston section of thick bamboo (8), fixed mounting has second spring (10) in the shrinkage pool of second piston section of thick bamboo (8), and it has third spring (11) to cup joint in second spring (10), the diameter of second spring (10) is greater than third spring (11), sliding connection has first piston section of thick bamboo (12) in the shrinkage pool of second piston section of thick bamboo (8), the through-hole has been seted up to the one end of first piston section of thick bamboo (12), and the diameter of a through hole at one end of the first piston cylinder (12) is larger than that of the third spring (11), extension holes are symmetrically formed in the end cover (4) at one end, away from the air inlet hole (5), of the machine body (1), the end cover (4) at one end, away from the air inlet hole (5), of the machine body (1) is rotatably connected with an adjusting mechanism (2) through a rotating shaft of the extension holes, and the bottom of one end of the adjusting mechanism (2) is fixedly connected with a limiting mechanism (3).
2. The multi-stage pressure controller for natural gas recovery according to claim 1, wherein: the adjusting mechanism (2) comprises a fixing rod (13), a linear block (14), a connecting rod (15), a stop rod (16), a pressure plate (17) and a pulling rod (18), wherein the fixing rod (13) is fixedly arranged at the center of the end cover (4), the end, far away from the end cover (4), of the fixing rod (13) is fixedly provided with the pressure plate (17), one end of the fixing rod (13) is sleeved with the pulling rod (18), the upper end and the lower end of one end of the fixing rod (13) are symmetrically provided with sliding grooves, the sliding grooves of the fixing rod (13) are in sliding connection with one end of the linear block (14), one end, far away from the fixing rod (13), of the linear block (14) is in sliding connection with one side of the end cover (4), one end of the linear block (14) is fixedly arranged on one side of the pulling rod (18) from the upper end and the lower end, one end, far away from the pulling rod (, the other end of the connecting rod (15) is rotatably connected with the middle part of the stop rod (16) through a rotating shaft, and one end of the stop rod (16) is rotatably connected with two sides of one end of the fixing rod (13) through the rotating shaft.
3. The multi-stage pressure controller for natural gas recovery according to claim 1, wherein: stop gear (3) are including button (19), first voussoir (20), second voussoir (21) and return spring (22), button (19) fixed mounting is in the one end of first voussoir (20), first voussoir (20) sliding connection is in the low side of pulling pole (18), just the mounting hole has been seted up to the low side of pulling pole (18), the constant head tank has been seted up at the top of the mounting hole of pulling pole (18), just sliding connection has second voussoir (21) in the constant head tank of pulling pole (18).
4. The multi-stage pressure controller for natural gas recovery according to claim 1, wherein: the flexible clamping hooks are arranged at two ends of an extension hole in the end cover (4), and a rotating disc (23) is connected in the extension hole in the end cover (4) in a sliding mode.
5. The multi-stage pressure controller for natural gas recovery according to claim 1, wherein: one side of the top end of the pulling rod (18) is provided with a limiting pin.
6. The multi-stage pressure controller for natural gas recovery according to claim 1, wherein: and limiting holes are symmetrically formed in the upper part and the lower part of one side of the end cover (4).
7. A multi-stage pressure controller for natural gas recovery according to claim 3, wherein: one end of the pulling rod (18) far away from the button (19) is fixedly connected with one end of the return spring (22).
8. The multi-stage pressure controller for natural gas recovery according to claim 7, wherein: the other end of the return spring (22) is fixedly arranged at one end of the mounting hole of the pulling rod (18).
9. A multi-stage pressure controller for natural gas recovery according to claim 3, wherein: the first wedge (20) and the second wedge (21) are mutually matched.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010370969.3A CN111518597B (en) | 2020-05-06 | 2020-05-06 | Be used for multistage accuse depressor of natural gas recovery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010370969.3A CN111518597B (en) | 2020-05-06 | 2020-05-06 | Be used for multistage accuse depressor of natural gas recovery |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111518597A true CN111518597A (en) | 2020-08-11 |
CN111518597B CN111518597B (en) | 2021-10-15 |
Family
ID=71906624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010370969.3A Active CN111518597B (en) | 2020-05-06 | 2020-05-06 | Be used for multistage accuse depressor of natural gas recovery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111518597B (en) |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB862744A (en) * | 1956-03-19 | 1961-03-15 | Rotol Ltd | Improvements in or relating to hydraulic safety valves |
US4111283A (en) * | 1976-12-20 | 1978-09-05 | Clark Equipment Company | Regulator valve |
DE4404358A1 (en) * | 1994-02-11 | 1995-08-17 | Glyco Metall Werke | Multi-stage control valve |
US6041762A (en) * | 1996-08-16 | 2000-03-28 | Impco Technologies, Inc. | Control module for natural gas fuel supply for a vehicle |
CN1764787A (en) * | 2003-03-24 | 2006-04-26 | 横浜Tlo株式会社 | Variable valve system of internal combustion engine, its control method and hydraulic actuator |
CN2779150Y (en) * | 2005-03-23 | 2006-05-10 | 区聘维 | Switch type hydraulic pressure adjusting device |
CN2809263Y (en) * | 2005-07-29 | 2006-08-23 | 自贡通达机器制造有限公司 | Hydraulic piston type natural gas compressor |
CN2878692Y (en) * | 2006-03-07 | 2007-03-14 | 赵旭 | Piston type pressure reducer |
CN201050472Y (en) * | 2007-04-29 | 2008-04-23 | 温州强盛石化机械有限公司 | Natural gas station compressor Regulation device capable of adapting to gas inlet pressure change |
CN103775701A (en) * | 2014-03-03 | 2014-05-07 | 北京航空航天大学 | Pressure regulating valve |
CN203742804U (en) * | 2014-01-20 | 2014-07-30 | 潍柴动力股份有限公司 | Electronic control hydraulic auxiliary braking system |
US20170246392A1 (en) * | 2012-10-24 | 2017-08-31 | Nuance Designs Of Ct, Llc | Autoinjector |
CN107228068A (en) * | 2017-05-08 | 2017-10-03 | 北京化工大学 | A kind of reciprocating compressor exhaust amount adjustment method and device |
CN107654218A (en) * | 2017-11-16 | 2018-02-02 | 长沙宁湖机械设备有限公司 | A kind of sleeve pipe pressure control mechanism |
CN207454229U (en) * | 2017-11-15 | 2018-06-05 | 苏州爱德空分设备有限公司 | A kind of Reciprocting piston compressor classification tolerance is adjusted with pneumatic servo device |
CN108716558A (en) * | 2018-07-13 | 2018-10-30 | 四川长仪油气集输设备股份有限公司 | Axial-flow type safety shut-off valve and its superpressure block control system |
CN109653829A (en) * | 2018-12-26 | 2019-04-19 | 王自勤 | A kind of electro-hydraulic regulation method and device of valve angle of lag |
-
2020
- 2020-05-06 CN CN202010370969.3A patent/CN111518597B/en active Active
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB862744A (en) * | 1956-03-19 | 1961-03-15 | Rotol Ltd | Improvements in or relating to hydraulic safety valves |
US4111283A (en) * | 1976-12-20 | 1978-09-05 | Clark Equipment Company | Regulator valve |
DE4404358A1 (en) * | 1994-02-11 | 1995-08-17 | Glyco Metall Werke | Multi-stage control valve |
US6041762A (en) * | 1996-08-16 | 2000-03-28 | Impco Technologies, Inc. | Control module for natural gas fuel supply for a vehicle |
CN1764787A (en) * | 2003-03-24 | 2006-04-26 | 横浜Tlo株式会社 | Variable valve system of internal combustion engine, its control method and hydraulic actuator |
CN2779150Y (en) * | 2005-03-23 | 2006-05-10 | 区聘维 | Switch type hydraulic pressure adjusting device |
CN2809263Y (en) * | 2005-07-29 | 2006-08-23 | 自贡通达机器制造有限公司 | Hydraulic piston type natural gas compressor |
CN2878692Y (en) * | 2006-03-07 | 2007-03-14 | 赵旭 | Piston type pressure reducer |
CN201050472Y (en) * | 2007-04-29 | 2008-04-23 | 温州强盛石化机械有限公司 | Natural gas station compressor Regulation device capable of adapting to gas inlet pressure change |
US20170246392A1 (en) * | 2012-10-24 | 2017-08-31 | Nuance Designs Of Ct, Llc | Autoinjector |
CN203742804U (en) * | 2014-01-20 | 2014-07-30 | 潍柴动力股份有限公司 | Electronic control hydraulic auxiliary braking system |
CN103775701A (en) * | 2014-03-03 | 2014-05-07 | 北京航空航天大学 | Pressure regulating valve |
CN107228068A (en) * | 2017-05-08 | 2017-10-03 | 北京化工大学 | A kind of reciprocating compressor exhaust amount adjustment method and device |
CN207454229U (en) * | 2017-11-15 | 2018-06-05 | 苏州爱德空分设备有限公司 | A kind of Reciprocting piston compressor classification tolerance is adjusted with pneumatic servo device |
CN107654218A (en) * | 2017-11-16 | 2018-02-02 | 长沙宁湖机械设备有限公司 | A kind of sleeve pipe pressure control mechanism |
CN108716558A (en) * | 2018-07-13 | 2018-10-30 | 四川长仪油气集输设备股份有限公司 | Axial-flow type safety shut-off valve and its superpressure block control system |
CN109653829A (en) * | 2018-12-26 | 2019-04-19 | 王自勤 | A kind of electro-hydraulic regulation method and device of valve angle of lag |
Also Published As
Publication number | Publication date |
---|---|
CN111518597B (en) | 2021-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209705719U (en) | A kind of cooling methane fluid reservoir of natural gas methane | |
CN111518597B (en) | Be used for multistage accuse depressor of natural gas recovery | |
CN202018368U (en) | High-pressure air source system | |
CN111503329B (en) | A multistage voltage regulator for natural gas recovery | |
CN202252841U (en) | Skid mounted liquefied natural gas automobile gas filling device | |
CN100506958C (en) | Method for producing liquefied natural gas from coke oven gas by cryogenic separation | |
CN2929159Y (en) | Hot production wellhead device | |
CN213684079U (en) | Piston compression type petroleum associated gas separation pressurization recovery device | |
CN213420625U (en) | Strong pressurization system of low-temperature liquefied gas storage tank | |
CN214998169U (en) | Piston type low-temperature liquid pump | |
CN2934870Y (en) | Natural gas heater | |
CN201461301U (en) | Multi-cylinder and separate-cylinder flow-regulating reciprocating pump | |
CN205173115U (en) | Two -stage natural gas compression cylinder | |
CN221222386U (en) | Natural gas separate-conveying automatic start-stop device | |
CN2381797Y (en) | Vacuum pressure reducing regulator | |
CN213117498U (en) | Telescopic regulating valve | |
CN220910484U (en) | Natural gas pressure regulating device | |
CN219375763U (en) | Movable central oxygen supply device | |
CN219300087U (en) | Natural gas pipeline fixing device | |
CN205472638U (en) | Novel methyl alcohol schizolysis heater | |
CN213983019U (en) | Desulfurization well head ground control integrated device | |
CN221838901U (en) | Wear-resisting type control valve | |
CN215763491U (en) | Low temperature valve with pressure release function based on hydrogen energy | |
CN201221676Y (en) | Gas high pressure regulating machine applied to pressure regulating station | |
CN220575829U (en) | Command type regulator throttle valve port regulating tool |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230109 Address after: 716000 No. 2-1-1402 Yuhua Community, Changqing Road, Baimi Avenue, Baota District, Yan'an City, Shaanxi Province Patentee after: Yan'an Kunyuan Industry and Trade Co.,Ltd. Address before: Room 218, building 3, Xinggong science and Technology Park, No. 100 Luyun Road, high tech Development Zone, Changsha City, Hunan Province Patentee before: CHANGSHA NINGHU MACHINERY EQUIPMENT Co.,Ltd. |
|
TR01 | Transfer of patent right |