CN110500435A - A kind of gas-liquid linked control system for the control of oil-gas pipeline valve - Google Patents
A kind of gas-liquid linked control system for the control of oil-gas pipeline valve Download PDFInfo
- Publication number
- CN110500435A CN110500435A CN201910683523.3A CN201910683523A CN110500435A CN 110500435 A CN110500435 A CN 110500435A CN 201910683523 A CN201910683523 A CN 201910683523A CN 110500435 A CN110500435 A CN 110500435A
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- directional control
- hydraulic
- mouthfuls
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
- F15B11/0725—Combined pneumatic-hydraulic systems with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention particularly relates to a kind of gas-liquid linked control systems for the control of oil-gas pipeline valve, including hydraulic control subsystem, pneumatic control subsystem and electronic control subsystem, hydraulic control subsystem includes manual directional control valve, one-way throttle valve one, one-way throttle valve two, hydraulic hand-pump, tilt cylinder component, the gentle flow container two of gas-liquid tank one；Pneumatic control subsystem includes air accumulator, pressure pilot valve one, pressure pilot valve two, solenoid directional control valve one, solenoid directional control valve two and solenoid directional control valve three；It includes electronic control box, pressure sensor, position sensor one and position sensor two that subsystem, which is controlled electronically, when hydraulic oil is entered cylinder body and cylinder body is discharged by b hydraulic port by a hydraulic port, hydraulic oil driving moving vane rotates and contacts it with position sensor one, when hydraulic oil is entered cylinder body and cylinder body is discharged by a hydraulic port by b hydraulic port, hydraulic oil driving moving vane rotates and contacts it with position sensor two.
Description
Technical field
The invention belongs to the control equipment technical fields of valve in Oil and Natural Gas Transportation Pipeline more particularly to one kind to be used for
The gas-liquid linked control system of oil-gas pipeline valve control.
Background technique
With petroleum, natural gas industry and it is civilian on gradually popularize, the oil gas pipeline network construction in China is flown
Speed development.Valve is the important control equipment of one of oil-gas pipeline, when pipeline locally breaks down or to overhaul, it
Pipeline can be disconnected.Since these valves are all mounted on remote districts, long-range control must be realized to the open and close operation of valve,
Therefore need to design a kind of valve actuator control system for being able to achieve valve and remotely controlling.Currently used valve executes machine
Structure can be divided into several classes such as pneumatic, electronic and gas-liquid linked by power type.Pneumatic actuator source stability of being bullied is affected
And control precision is lower, electric operator realizes that large driving force is relatively difficult, and that there are response speeds is slow, service life is short and
The disadvantages of maintenance is big, thus at present using it is more be gas-liquid linked formula executing agency.But current gas-liquid linked mechanism exists
There is the case where accidentally turning off often in work, causes huge economic loss to relevant enterprise, it is therefore necessary to existing gas-liquid
Linkage actuating mechanism control system improves.
Summary of the invention
To occur accidentally turning off when solving the gas-liquid linked valve executing agency work in oil-gas pipeline of the existing technology
The problem of causing damages, the present invention provide a kind of gas-liquid linked control system for the control of oil-gas pipeline valve.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows, one kind being used for the control of oil-gas pipeline valve
The gas-liquid linked control system of system, including,
Hydraulic control subsystem, the hydraulic control subsystem includes manual directional control valve, one-way throttle valve one, unidirectional
Throttle valve two, hydraulic hand-pump, tilt cylinder component, the gentle flow container two of gas-liquid tank one, the manual directional control valve is respectively and unidirectionally
Throttle valve one, one-way throttle valve two, hydraulic hand-pump are connected with tilt cylinder component, and the one-way throttle valve one connects with gas-liquid tank one
It connects, the one-way throttle valve two is connect with gas-liquid tank two, and the tilt cylinder component includes cylinder body and is rotatably arranged on the intracorporal work of cylinder
Movable vane piece offers a hydraulic port and b hydraulic port on the cylinder body；
Pneumatic control subsystem, the pneumatic control subsystem include air accumulator, pressure pilot valve one, pressure pilot valve
Two, solenoid directional control valve one, solenoid directional control valve two and solenoid directional control valve three, the pressure pilot valve one, pressure pilot valve two, electromagnetism
Reversal valve one, solenoid directional control valve two and solenoid directional control valve three all have A mouthfuls, B mouthfuls and P mouthfuls, and the pressure pilot valve one, pressure are first
The B mouth of pilot valve two, solenoid directional control valve one and solenoid directional control valve two is connected to air accumulator, and the pressure pilot valve one and pressure are first
The A mouth of pilot valve two is connected to the P of solenoid directional control valve three mouth, and the B mouth of the solenoid directional control valve three is communicated with the atmosphere, the electromagnetism
The P mouth of reversal valve one is connect with the control mouth of pressure pilot valve one, and the P mouth of the pressure pilot valve one is connected to gas-liquid tank one,
The P mouth of the solenoid directional control valve two is connect with the control mouth of pressure pilot valve two, the P mouth and gas-liquid tank of the pressure pilot valve two
Two connections；
And electronic control subsystem, the electronic control subsystem include electronic control box, pressure sensor, position biography
Sensor one and position sensor two, the pressure sensor, position sensor one, position sensor two, solenoid directional control valve one, electricity
Magnetic reversal valve two and solenoid directional control valve three are electrically connected with electronic control box, and the position sensor one and position sensor two are set
It sets in cylinder body, when hydraulic oil is entered cylinder body and cylinder body is discharged by b hydraulic port by a hydraulic port, hydraulic oil drives moving vane
It rotates and contacts it with position sensor one, when hydraulic oil is entered cylinder body and cylinder body is discharged by a hydraulic port by b hydraulic port,
Hydraulic oil driving moving vane rotates and contacts it with position sensor two.
Preferably, the tilt cylinder component further includes fixed blade and block, the fixed blade is arranged in cylinder body, institute
It states moving vane to be rotatably arranged in cylinder body by shaft, the shaft is fixedly connected with the valve rod of oil-gas pipeline valve；It is described
Cylinder body is successively divided into an area, 2nd area, 3rd area and four, 4th area along the rotation direction of moving vane by fixed blade and moving vane
Region, and the area a Qu Yusan is connected to, the connection of the area two Qu Yusi, a hydraulic port and a Qu Liantong, the b are hydraulic
Tetra- Qu Liantong of Kou Yu is provided with block in each region, and the position sensor one and position sensor two are set respectively
It sets on corresponding block, when the moving vane touches block, the moving vane stops operating.Tilt cylinder component serves as
The execution unit of the gas-liquid linked control system drives the stem movement of oil-gas pipeline valve by shaft, realizes oil-gas pipeline
The open and close of valve, the tilt cylinder component it is simple and reliable for structure, it is ingenious in design, convenient for control.
Preferably, the moving vane is rotated by 90 ° counterclockwise, the moving vane contacts stopping, the oil with block
Feed channel valve is opened, and the moving vane rotates clockwise 90 °, and the moving vane contacts stopping, the oil gas with block
Pipeline valve is closed.
Preferably, the manual directional control valve has a mouthfuls, b mouthfuls, c mouthfuls, d mouthfuls, e mouthfuls and f mouthfuls, described a mouthfuls and a liquid
Mouth connection is pressed, described b mouthfuls is connected to b hydraulic port, and described c mouthfuls is connected to the entrance of one-way throttle valve one, and described f mouthfuls is saved with unidirectional
Flow valve two entrance connection, described d mouthful and e mouthful respectively with two orifices of hydraulic hand-pump, and described a mouthfuls with c mouthfuls at
In normal open state, described b mouthfuls and f mouthfuls is in normal open state.Manual directional control valve serves as gas-liquid linked with manually converter section
Part, hydraulic hand-pump are moved for manual direction controlling valve, and one-way throttle valve one and one-way throttle valve two control gas-liquid linked
When valve velocity of rotation, the gentle flow container two of gas-liquid tank one serves as hydraulic power source, the gas into the gentle flow container two of gas-liquid tank one
Serve as hydraulic power；Manual directional control valve is converted to hand-hydraulic convenient for operating the gas-liquid linked control system by gas-liquid linked
Control, then hand-hydraulic control is realized by hydraulic hand-pump.
Preferably, oily filter one is provided between the one-way throttle valve one and gas-liquid tank one, the one-way throttle valve two
Oily filter two is provided between gas-liquid tank two.Ensure the cleanliness of hydraulic oil into tilt cylinder component by oily filter one and oily filter two.
Further, the pressure pilot valve one, pressure pilot valve two, solenoid directional control valve one, solenoid directional control valve two and electricity
Magnetic reversal valve three selects two position three way directional control valve, the A of the solenoid directional control valve one, solenoid directional control valve two and solenoid directional control valve three
Mouth is all closed.
Further, the air accumulator is connect by block valve one with auxiliary gas source, on the outlet pipe of the air accumulator
It is provided with vapour filter one, is additionally provided with air pressure dial gauge on the outlet pipe of the air accumulator.Air accumulator provides gas source, electromagnetic switch
Valve one, solenoid directional control valve two, pressure pilot valve one and pressure pilot valve two control the circulating direction of gas, the gas in storage cylinder
It is entered back into the pneumatic pilot line of the gas-liquid linked control system after one filtering of vapour filter, it is ensured that enter the gas-liquid linked control
Cleaning gas in the pneumatic pilot line of system processed.
Further, the pressure sensor is connect by block valve two with the oil-gas pipeline of valve downstream, the pressure
Vapour filter two is provided between sensor and block valve two.Oil gas in oil-gas pipeline enters back into pressure after two filtering of vapour filter and passes
Sensor, it is ensured that the oil gas into pressure sensor is clean.
The utility model has the advantages that the gas-liquid linked control system for the control of oil-gas pipeline valve of the invention, pressure pilot valve one
Setting with pressure pilot valve two is played the role of delaying control action, gas warp after controlling signal sending, in storage cylinder
The control mouth that solenoid directional control valve enters pressure pilot valve is crossed, the spool movement of pressure pilot valve is pushed from control mouth, works as pressure
Gas after the valve core movement to designated position of pilot valve in storage cylinder could be entered in gas-liquid bottle by pressure pilot valve, because
This presses control button late gate and will not act immediately, it is necessary to etc. after the valve core movement to designated position of pressure pilot valve, storage
Gas in gas cylinder can just enter gas-liquid tank, during which have several seconds delay times, can be used for controllers and cancel maloperation
Movement, effectively avoids losing；Gas-liquid linked control system for the control of oil-gas pipeline valve of the invention, is reliability
High oil-gas pipeline valve actuator control system had both been able to achieve the remote handle control to valve event, had also been able to achieve
The automatic control of pipeline booster late gate and no gas source etc. in special circumstances on-site manual control；Of the invention is used for
The gas-liquid linked control system of oil-gas pipeline valve control, it is compact-sized, control is simple, reliable in action, stone can be widely used in
The control of valve on oily natural gas line.
Detailed description of the invention
Fig. 1 is schematic illustration of the present invention for the gas-liquid linked control system of oil-gas pipeline valve control；
Fig. 2 is internal structure of the present invention for the tilt cylinder component of the gas-liquid linked control system of oil-gas pipeline valve control
Schematic diagram；
Fig. 3 is control valve of the present invention for the tilt cylinder component of the gas-liquid linked control system of oil-gas pipeline valve control
Full-gear schematic diagram；
Fig. 4 is control valve of the present invention for the tilt cylinder component of the gas-liquid linked control system of oil-gas pipeline valve control
Full off state schematic diagram；
In Fig. 1, solid line pipeline indicates hydraulic control circuit；Dotted line indicates pneumatic pilot line；Chain-dotted line pipeline table
Show electronic control pipeline；
In figure: 11, manual directional control valve, 12, one-way throttle valve one, 13, one-way throttle valve two, 14, hydraulic hand-pump,
15, gas-liquid tank one, 16, gas-liquid tank two, 17, tilt cylinder component, 171, cylinder body, 1711, one area, 1712, two areas, 1713, three areas,
1714,4th area, 172, moving vane, 173, fixed blade, 174, block, 175, shaft, 18, oily filter one, 19, oily filter two, 21,
Air accumulator, 22, pressure pilot valve one, 23, pressure pilot valve two, 24, solenoid directional control valve one, 25, solenoid directional control valve two, 26, electricity
Magnetic reversal valve three, 27, block valve one, 28, vapour filter one, 29, air pressure dial gauge, 31, electronic control box, 32, pressure sensor,
33, position sensor one, 34, position sensor two, 35, block valve two, 36, vapour filter two.
Specific embodiment
Embodiment
As shown in figures 1-4, a kind of gas-liquid linked control system for the control of oil-gas pipeline valve, the gas-liquid linked control
System processed for controlling opening or closing for oil-gas pipeline valve, the gas-liquid linked control system include hydraulic control subsystem,
Pneumatic control subsystem and electronic control subsystem；
The hydraulic control subsystem include manual directional control valve 11, one-way throttle valve 1, one-way throttle valve 2 13,
Hydraulic hand-pump 14, tilt cylinder component 17, the gentle flow container 2 16 of gas-liquid tank 1, the manual directional control valve 11 is respectively and unidirectionally
Throttle valve 1, one-way throttle valve 2 13, hydraulic hand-pump 14 and tilt cylinder component 17 connect, the one-way throttle valve 1 and gas
Flow container 1 connects, and the one-way throttle valve 2 13 is connect with gas-liquid tank 2 16, and the tilt cylinder component 17 includes cylinder body 171 and turns
The dynamic moving vane 172 being arranged in cylinder body 171, specifically, the moving vane 172 is rotatably arranged on cylinder by shaft 175
In body 171, the shaft 175 is fixedly connected by connector with the valve rod of oil-gas pipeline valve, is offered on the cylinder body 171
A hydraulic port and b hydraulic port；Wherein tilt cylinder component 17 serves as the execution unit of the gas-liquid linked control system, passes through 175 band of shaft
The stem movement of dynamic oil-gas pipeline valve, realizes the open and close of oil-gas pipeline valve, and manual directional control valve 11 serves as gas
Liquid linkage and manually converting member, hydraulic hand-pump 14 is for manual directional control valve 11 movements, one-way throttle valve 1
With the velocity of rotation of the control of one-way throttle valve 2 13 valve when gas-liquid linked, the gentle flow container 2 16 of gas-liquid tank 1 serves as hydraulic
Hydraulic power is served as into the gas in the gentle flow container 2 16 of gas-liquid tank 1 in source；
The tilt cylinder component 17 further includes fixed blade 173 and block 174, and the fixed blade 173 is arranged in cylinder body 171
It is interior；The rotation direction of the fixed blade 173 and moving vane 172 by cylinder body 171 along moving vane 172 is successively divided into an area
1711, two areas 1712, three areas 1713 and 1,714 4,4th area region, and an area 1711 is connected to three areas 1713, described two
Area 1712 is connected to four areas 1714, and a hydraulic port is connected to an area 1711, and the b hydraulic port is connected to four areas 1714, each
Block 174 is provided in the region, the position sensor 1 and position sensor 2 34 are separately positioned on corresponding
On block 174, when the moving vane 172 touches block 174, the moving vane 172 stops operating；The activity leaf
Piece 172 is rotated by 90 ° counterclockwise, and the moving vane 172 contacts stopping with block 174, and the oil-gas pipeline valve is opened, described
Moving vane 172 rotates clockwise 90 °, and the moving vane 172 contacts stopping with block 174, and the oil-gas pipeline valve closes
It closes；
The manual directional control valve 11 has a mouthfuls, b mouthfuls, c mouthfuls, d mouthfuls, e mouthfuls and f mouthfuls, and described a mouthfuls connects with a hydraulic port
Logical, described b mouthfuls is connected to b hydraulic port, and described c mouthfuls is connected to the entrance of one-way throttle valve 1, f mouthfuls and the one-way throttle valve
2 13 entrance connection, described d mouthful and e mouthful respectively with two orifices of hydraulic hand-pump 14, and described a mouthfuls with c mouthfuls at
In normal open state, described b mouthfuls and f mouthfuls is in normal open state；
In order to keep the hydraulic oil into hydraulic control circuit clean, between the one-way throttle valve 1 and gas-liquid tank 1
It is provided with oily filter 1, is provided with oily filter 2 19 between the one-way throttle valve 2 13 and gas-liquid tank 2 16；
The pneumatic control subsystem includes air accumulator 21, pressure pilot valve 1, pressure pilot valve 2 23, electromagnetic switch
Valve 1, solenoid directional control valve 2 25 and solenoid directional control valve 3 26, the pressure pilot valve 1, pressure pilot valve 2 23, electromagnetism
Reversal valve 1, solenoid directional control valve 2 25 and solenoid directional control valve 3 26 all have A mouthfuls, B mouthfuls and P mouthfuls, the pressure pilot valve one
22, the B mouth of pressure pilot valve 2 23, solenoid directional control valve 1 and solenoid directional control valve 2 25 is connected to air accumulator 21, the pressure
The A of power pilot valve 1 and pressure pilot valve 2 23 mouth is connected to the P of solenoid directional control valve 3 26 mouth, the solenoid directional control valve three
26 B mouth is communicated with the atmosphere, and the P mouth of the solenoid directional control valve 1 is connect with the control mouth of pressure pilot valve 1, the pressure
The P mouth of power pilot valve 1 is connected to gas-liquid tank 1, the control of the P mouth and pressure pilot valve 2 23 of the solenoid directional control valve 2 25
Donsole connection, the P mouth of the pressure pilot valve 2 23 are connected to gas-liquid tank 2 16；Wherein air accumulator 21 provides gas source, and electromagnetism changes
To the circulating direction of valve 1, solenoid directional control valve 2 25, pressure pilot valve 1 and pressure pilot valve 2 23 control gas, gas storage
Gas in bottle enters back into the pneumatic pilot line of the gas-liquid linked control system after one 28 filtering of vapour filter；
The pressure pilot valve 1, pressure pilot valve 2 23, solenoid directional control valve 1, solenoid directional control valve 2 25 and electromagnetism
Reversal valve 3 26 selects two position three way directional control valve, the solenoid directional control valve 1, solenoid directional control valve 2 25 and solenoid directional control valve
3 26 A mouth is all closed；
The air accumulator 21 is connect by block valve 1 with auxiliary gas source, is arranged on the outlet pipe of the air accumulator 21
There is vapour to filter 1, be additionally provided with air pressure dial gauge 29 on the outlet pipe of the air accumulator 21, when air pressure is insufficient in air accumulator 21
Shi Liyong assists gas source to inflate to air accumulator 21；
The electronic control subsystem includes electronic control box 31, pressure sensor 32, position sensor 1 and position
Sensor 2 34, the pressure sensor 32, position sensor 1, position sensor 2 34, solenoid directional control valve 1, electromagnetism
Reversal valve 2 25 and solenoid directional control valve 3 26 are electrically connected with electronic control box 31, the position sensor 1 and position sensing
Device 2 34 is arranged in cylinder body 171, when hydraulic oil is entered cylinder body 171 and cylinder body 171 is discharged by b hydraulic port by a hydraulic port, liquid
Pressure oil driving moving vane 172 rotates and contacts it with position sensor 1, when hydraulic oil enters cylinder body by b hydraulic port
171 and by a hydraulic port be discharged cylinder body 171 when, hydraulic oil driving moving vane 172 rotate simultaneously connect it with position sensor 2 34
Touching；Wherein electronic control box 31 receives remote control signal, live feedback signal, and to solenoid directional control valve 1, electromagnetic switch
Valve 2 25 and solenoid directional control valve 3 26 issue control signal, and pressure sensor 32 is for detecting in oil-gas pipeline whether booster occurs
Failure, position sensor 1 and position sensor 2 34 are used for the position of detected event blade 172.
The pressure sensor 32 is connect by block valve 2 35 with the oil-gas pipeline of valve downstream, the pressure sensor
Vapour filter 2 36 is provided between 32 and block valve 2 35.
As shown in figures 1-4, working principle is as follows:
The gas-liquid linked control system is mounted on oil-gas pipeline valve, for controlling petroleum or natural gas in oil-gas pipeline
Conducting and blocking；There are two the operating positions of valve, comprising:
Fully open position: the petroleum in pipeline or natural gas can be passed through at this time with maximum stream flow；
Closed positions: the petroleum in pipeline or natural gas are blocked completely at this time, cannot be passed through；
The control function that the gas-liquid linked control system can be realized includes three kinds of situations:
Situation one: normal control, i.e., the switch acted by remote opening or closing control valve realize the open-minded of valve
Or it closes；
Open valve in the case of normal control: it remotely presses after closing control button, electronic control box 31 receives control
Signal, and issue control signal to solenoid directional control valve 1 and solenoid directional control valve 2 25, solenoid directional control valve 2 25 it is electric after its B mouthfuls
It is connected with P mouthfuls, the gas of air accumulator 21 is flowed into after one 28 filtering of vapour filter by the B mouth of solenoid directional control valve 2 25, from its P mouthfuls
The control mouth of pressure pilot valve 2 23 is flowed to, pressure pilot valve 2 23 acts, the B mouth of pressure pilot valve 2 23 and P mouthfuls of connections, storage
Gas in gas cylinder flows into after one 28 filtering of vapour filter from the B mouth of pressure pilot valve 2 23, then flows out into gas from its P mouthfuls
Flow container 2 16 completes pneumatic control；Hydraulic oil in gas-liquid tank 2 16 flows under pressure promotion from the outlet end of gas-liquid tank 2 16
Enter after oily filter 2 19, one-way throttle valve 2 13 and manual directional control valve 11 from the b hydraulic port of cylinder body 171 out and successively
Four areas 1714 and two areas 1712 of cylinder body 171, the moving vane 172 in cylinder body 171 under hydraulic oil promotion counterclockwise
Rotation, to be rotated counterclockwise by rotary shaft 175 with ovable valve stem, valve starts to open；
The working condition of oil return line is during valve opening, when moving vane 172 rotates counterclockwise, an area 1711
It is flowed out with the hydraulic oil in three areas 1713 from a hydraulic port of cylinder body 171, and successively passes through manual directional control valve 11, one-way throttle
Enter in gas-liquid tank 1 after valve 1 and oily filter 1, the gas in gas-liquid tank 1 is discharged from its entrance, gas be discharged
Entered by the P mouth of pressure pilot valve 1, escapes and enter gas exhaust piping, gas exhaust piping from the A mouth of pressure pilot valve 1
On solenoid directional control valve 3 26 receive electronic control box 31 sending control signal after act, make the P mouth of solenoid directional control valve 3 26
It is connected to B mouthfuls, institute's discharge gas is finally discharged into air from the B mouth of solenoid directional control valve 3 26；
After moving vane 172 is rotated by 90 ° counterclockwise, trigger position sensor 1, and by electronic control box 31 to
Solenoid directional control valve 1 and solenoid directional control valve 2 25 issue control signal, 2 25 power loss of solenoid directional control valve 1 and solenoid directional control valve
After keep in the center, air inlet pipeline and gas exhaust piping are disconnected, valve event stop.
Valve is closed in the case of normal control: remotely being pressed after closing control button, electronic control box 31 receives control
Signal, and issue control signal to solenoid directional control valve 1 and solenoid directional control valve 2 25, solenoid directional control valve 1 it is electric after its B mouthfuls
It is connected with P mouthfuls, the gas of air accumulator 21 is flowed into after one 28 filtering of vapour filter by the B mouth of solenoid directional control valve 1, from its P mouthfuls
The control mouth of pressure pilot valve 1 is flowed to, pressure pilot valve 1 acts, the B mouth of pressure pilot valve 1 and P mouthfuls of connections, storage
Gas in gas cylinder flows into after one 28 filtering of vapour filter from the B mouth of pressure pilot valve 1, then flows out into gas from its P mouthfuls
Flow container 1 completes pneumatic control；Hydraulic oil in gas-liquid tank 1 flows under pressure promotion from the outlet end of gas-liquid tank 1
Enter after oily filter 1, one-way throttle valve 1 and manual directional control valve 11 from a hydraulic port of cylinder body 171 out and successively
An area 1711 and three areas 1713 for cylinder body 171, the moving vane 172 in cylinder body 171 under hydraulic oil promotion clockwise
Rotation, to be rotated clockwise by rotary shaft 175 with ovable valve stem, valve is begun to shut off；
The working condition of oil return line is in valve closing process, when moving vane 172 is rotated clockwise, two areas 1712
It is flowed out with the hydraulic oil in four areas 1714 from the b hydraulic port of cylinder body 171, and successively passes through manual directional control valve 11, one-way throttle
Enter in gas-liquid tank 2 16 after valve 2 13 and oily filter 2 19, the gas in gas-liquid tank 2 16 is discharged from its entrance, gas be discharged
Entered by the P mouth of pressure pilot valve 2 23, escapes and enter gas exhaust piping, gas exhaust piping from the A mouth of pressure pilot valve 2 23
On solenoid directional control valve 3 26 receive electronic control box 31 sending control signal after act, make the P mouth of solenoid directional control valve 3 26
It is connected to B mouthfuls, institute's discharge gas is finally discharged into air from the B mouth of solenoid directional control valve 3 26；
After moving vane 172 rotates clockwise 90 °, trigger position sensor 2 34, and by electronic control box 31 to
Solenoid directional control valve 1 and solenoid directional control valve 2 25 issue control signal, 2 25 power loss of solenoid directional control valve 1 and solenoid directional control valve
After keep in the center, air inlet pipeline and gas exhaust piping are disconnected, valve event stop；
Situation two: on-site manual control, i.e., at the scene without gas source in the case where realize that valve is opened or closed；
On-site manual closes valve: pressing the manual control button of manual 11 left and right sides of directional control valve, makes manual side
It is communicated to a mouth of control valve 11 and d mouthfuls, b mouthfuls and e mouthfuls communicate, then press hydraulic hand-pump 14, b liquid of the hydraulic oil from cylinder body 171
Mouth outflow is pressed, enters hydraulic hand-pump 14 after the b mouth of manual directional control valve 11 and e mouthfuls of accesses, by hydraulic hand-pump 14
The hydraulic oil of extrusion enters cylinder body from a hydraulic port of cylinder body 171 again after the d mouth of manual directional control valve 11 and a mouthfuls of accesses
In 171, shaft 175 is pushed to be rotated clockwise into the hydraulic oil in cylinder body 171, valve is begun to shut off.
On-site manual Open valve: the manual control button of manual 11 left and right sides of directional control valve is pressed, manual side is made
It is communicated to a mouth of control valve 11 and e mouthfuls, b mouthfuls and d mouthfuls communicate, then press hydraulic hand-pump 14, a liquid of the hydraulic oil from cylinder body 171
Mouth outflow is pressed, enters hydraulic hand-pump 14 after a mouth of manual directional control valve 11 and e mouthfuls of accesses, by hydraulic hand-pump 14
The hydraulic oil of extrusion enters cylinder body from the b hydraulic port of cylinder body 171 again after the d mouth of manual directional control valve 11 and b mouthfuls of accesses
In 171, shaft 175 is pushed to rotate counterclockwise into the hydraulic oil in cylinder body 171, valve starts to open；
: there is booster failure in situation three, and system automatically controls, and valve is automatically closed.
When booster failure occurs for oil-gas pipeline, oil-air pressure can decline rapidly in pipeline, when overpressure fall off rate
Triggering pressure sensor 32 issues control signal to electronic control box 31 when preset value beyond pressure sensor 32, and by electronics
Control cabinet 31 issues control signal, next pneumatic control and hydraulic control to solenoid directional control valve 1 and solenoid directional control valve 2 25
Braking is made identical as the movement of valve is closed in the case of normal control.
Claims (8)
1. a kind of gas-liquid linked control system for the control of oil-gas pipeline valve, it is characterised in that: including,
Hydraulic control subsystem, the hydraulic control subsystem include manual directional control valve (11), one-way throttle valve one (12),
One-way throttle valve two (13), hydraulic hand-pump (14), tilt cylinder component (17), the gentle flow container two (16) of gas-liquid tank one (15) are described
Manual directional control valve (11) respectively with one-way throttle valve one (12), one-way throttle valve two (13), hydraulic hand-pump (14) and pendulum
Cylinder component (17) connection, the one-way throttle valve one (12) connect with gas-liquid tank one (15), the one-way throttle valve two (13) and
Gas-liquid tank two (16) connection, the tilt cylinder component (17) include cylinder body (171) and the movable leaf that is rotatably arranged in cylinder body (171)
Piece (172) offers a hydraulic port and b hydraulic port on the cylinder body (171)；
Pneumatic control subsystem, the pneumatic control subsystem include air accumulator (21), pressure pilot valve one (22), pressure guide
Valve two (23), solenoid directional control valve one (24), solenoid directional control valve two (25) and solenoid directional control valve three (26), the pressure pilot valve one
(22), pressure pilot valve two (23), solenoid directional control valve one (24), solenoid directional control valve two (25) and solenoid directional control valve three (26) have
There are A mouthfuls, B mouthfuls and P mouthfuls, the pressure pilot valve one (22), pressure pilot valve two (23), solenoid directional control valve one (24) and electromagnetism change
It is connected to the B mouth of valve two (25) with air accumulator (21), the A mouth of the pressure pilot valve one (22) and pressure pilot valve two (23)
It is connected to the P of solenoid directional control valve three (26) mouth, the B mouth of the solenoid directional control valve three (26) is communicated with the atmosphere, and the electromagnetism changes
It is connect to the P mouth of valve one (24) with the control mouth of pressure pilot valve one (22), the P mouth and gas-liquid of the pressure pilot valve one (22)
Tank one (15) connection, the P mouth of the solenoid directional control valve two (25) are connect with the control mouth of pressure pilot valve two (23), the pressure
The P mouth of pilot valve two (23) is connected to gas-liquid tank two (16)；
And electronic control subsystem, the electronic control subsystem includes electronic control box (31), pressure sensor (32), position
Set sensor one (33) and position sensor two (34), the pressure sensor (32), position sensor one (33), position sensing
Device two (34), solenoid directional control valve one (24), solenoid directional control valve two (25) and solenoid directional control valve three (26) are and electronic control box
(31) be electrically connected, the position sensor one (33) and position sensor two (34) be arranged it is interior in cylinder body (171), when hydraulic oil by
When a hydraulic port enters cylinder body (171) and cylinder body (171) are discharged by b hydraulic port, hydraulic oil drives moving vane (172) rotation simultaneously
Contact it with position sensor one (33), when hydraulic oil enters cylinder body (171) by b hydraulic port and cylinder body is discharged by a hydraulic port
(171) when, hydraulic oil driving moving vane (172) rotates and contacts it with position sensor two (34).
2. the gas-liquid linked control system according to claim 1 for the control of oil-gas pipeline valve, it is characterised in that: institute
Stating tilt cylinder component (17) further includes fixed blade (173) and block (174), and the fixed blade (173) is arranged in cylinder body (171)
Interior, the moving vane (172) is rotatably arranged in cylinder body (171) by shaft (175), the shaft (175) and Oil/Gas Pipe
The valve rod of road valve is fixedly connected；The fixed blade (173) and moving vane (172) are by cylinder body (171) along moving vane
(172) rotation direction is successively divided into an area (1711), 2nd area (1712), (1714) four regions 3rd area (1713) He Siqu,
And an area (1711) is connected to 3rd area (1713), 2nd area (1712) is connected to 4th area (1714), a hydraulic port with
One area (1711) connection, the b hydraulic port are connected to 4th area (1714), and block (174), institute are provided in each region
It states position sensor one (33) and position sensor two (34) is separately positioned on corresponding block (174), when the movable leaf
When piece (172) touches block (174), the moving vane (172) stops operating.
3. the gas-liquid linked control system according to claim 2 for the control of oil-gas pipeline valve, it is characterised in that: institute
It states moving vane (172) to be rotated by 90 ° counterclockwise, the moving vane (172) contacts stopping, the Oil/Gas Pipe with block (174)
Road valve is opened, and the moving vane (172) rotates clockwise 90 °, and the moving vane (172) contacts with block (174) to be stopped
Only, the oil-gas pipeline valve is closed.
4. the gas-liquid linked control system according to claim 1,2 or 3 for the control of oil-gas pipeline valve, feature exist
In: the manual directional control valve (11) has a mouthfuls, b mouthfuls, c mouthfuls, d mouthfuls, e mouthfuls and f mouthfuls, and described a mouthfuls is connected to a hydraulic port, institute
It states b mouthfuls to be connected to b hydraulic port, described c mouthfuls is connected to the entrance of one-way throttle valve one (12), described f mouthfuls and one-way throttle valve two
(13) entrance connection, described d mouthful and e mouthful respectively with two orifices of hydraulic hand-pump (14), and described a mouthfuls with c mouthfuls
In normal open state, described b mouthfuls and f mouthfuls is in normal open state.
5. the gas-liquid linked control system according to claim 1 or 2 for the control of oil-gas pipeline valve, feature exist
In: oily filter one (18), the one-way throttle valve two are provided between the one-way throttle valve one (12) and gas-liquid tank one (15)
(13) oily filter two (19) is provided between gas-liquid tank two (16).
6. the gas-liquid linked control system according to claim 1 for the control of oil-gas pipeline valve, it is characterised in that: institute
Pressure pilot valve one (22), pressure pilot valve two (23), solenoid directional control valve one (24), solenoid directional control valve two (25) and electromagnetism is stated to change
Two position three way directional control valve is selected to valve three (26), the solenoid directional control valve one (24), solenoid directional control valve two (25) and electromagnetism change
It is all closed to the A mouth of valve three (26).
7. the gas-liquid linked control system according to claim 1 for the control of oil-gas pipeline valve, it is characterised in that: institute
It states air accumulator (21) and is connect by block valve one (27) with auxiliary gas source, be provided with vapour on the outlet pipe of the air accumulator (21)
One (28) are filtered, are additionally provided with air pressure dial gauge (29) on the outlet pipe of the air accumulator (21).
8. the gas-liquid linked control system according to claim 1 or claim 7 for the control of oil-gas pipeline valve, feature exist
In: the pressure sensor (32) is connect by block valve two (35) with the oil-gas pipeline of valve downstream, the pressure sensor
(32) it is provided with vapour between block valve two (35) and filters two (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683523.3A CN110500435A (en) | 2019-07-26 | 2019-07-26 | A kind of gas-liquid linked control system for the control of oil-gas pipeline valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683523.3A CN110500435A (en) | 2019-07-26 | 2019-07-26 | A kind of gas-liquid linked control system for the control of oil-gas pipeline valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110500435A true CN110500435A (en) | 2019-11-26 |
Family
ID=68587675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910683523.3A Pending CN110500435A (en) | 2019-07-26 | 2019-07-26 | A kind of gas-liquid linked control system for the control of oil-gas pipeline valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110500435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196846A (en) * | 2020-10-22 | 2021-01-08 | 欧阳友军 | Double-medium low-energy-consumption hydraulic power system and power output method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB808326A (en) * | 1956-08-27 | 1959-02-04 | Shafer Homer John | Improvements in semi-rotary motors |
| GB836365A (en) * | 1957-01-14 | 1960-06-01 | Shafer Valve Co | Hydraulic valve operator control system |
| US4005642A (en) * | 1975-08-06 | 1977-02-01 | Shafer Valve Company | Cross-over port construction for hydraulic motors |
| US4074692A (en) * | 1971-10-15 | 1978-02-21 | Shafer Homer J | Pipeline break shutoff control |
| US4120478A (en) * | 1975-12-08 | 1978-10-17 | The Japan Steel Works, Ltd. | Gas-hydraulic pressure type actuator for pipeline valve |
| JPS5943278A (en) * | 1982-09-06 | 1984-03-10 | Kobe Steel Ltd | Gas hydraulic actuator |
| CA1237627A (en) * | 1982-09-06 | 1988-06-07 | Sadayuki Nakanishi | Valve actuator |
| CN107575625A (en) * | 2017-09-22 | 2018-01-12 | 中石化川气东送天然气管道有限公司 | A kind of SHAFER pneumatic hydraulic actuators |
| CN207796236U (en) * | 2017-12-26 | 2018-08-31 | 中国石油天然气股份有限公司 | Pneumatic hydraulic actuator |
| CN109340443A (en) * | 2018-12-12 | 2019-02-15 | 成都迈可森流体控制设备有限公司 | A kind of miniaturization gas-liquid linkage actuator suitable for large bore valves, low gas source |
-
2019
- 2019-07-26 CN CN201910683523.3A patent/CN110500435A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB808326A (en) * | 1956-08-27 | 1959-02-04 | Shafer Homer John | Improvements in semi-rotary motors |
| GB836365A (en) * | 1957-01-14 | 1960-06-01 | Shafer Valve Co | Hydraulic valve operator control system |
| US4074692A (en) * | 1971-10-15 | 1978-02-21 | Shafer Homer J | Pipeline break shutoff control |
| US4005642A (en) * | 1975-08-06 | 1977-02-01 | Shafer Valve Company | Cross-over port construction for hydraulic motors |
| US4120478A (en) * | 1975-12-08 | 1978-10-17 | The Japan Steel Works, Ltd. | Gas-hydraulic pressure type actuator for pipeline valve |
| JPS5943278A (en) * | 1982-09-06 | 1984-03-10 | Kobe Steel Ltd | Gas hydraulic actuator |
| CA1237627A (en) * | 1982-09-06 | 1988-06-07 | Sadayuki Nakanishi | Valve actuator |
| CN107575625A (en) * | 2017-09-22 | 2018-01-12 | 中石化川气东送天然气管道有限公司 | A kind of SHAFER pneumatic hydraulic actuators |
| CN207796236U (en) * | 2017-12-26 | 2018-08-31 | 中国石油天然气股份有限公司 | Pneumatic hydraulic actuator |
| CN109340443A (en) * | 2018-12-12 | 2019-02-15 | 成都迈可森流体控制设备有限公司 | A kind of miniaturization gas-liquid linkage actuator suitable for large bore valves, low gas source |
Non-Patent Citations (3)
| Title |
|---|
| 张力伟: "SHAFER气液联动阀远控开关工作原理", 《广东石油化工学院学报》 * |
| 徐婧源等: "川渝地区输气站场ESD系统执行元件应用优化探讨", 《石油与天然气化工》 * |
| 王娟娟: "旋转叶片式气液联动执行机构的原理及其应用", 《山东省石油学会油田电力、通信及自动化技术研讨会优秀工程论文集》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196846A (en) * | 2020-10-22 | 2021-01-08 | 欧阳友军 | Double-medium low-energy-consumption hydraulic power system and power output method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205350521U (en) | Automatically controlled hydraulic actuator with emergent function of turn -offing | |
| CN105805065A (en) | ESD valve electrohydraulic actuator with variable speed | |
| CN108679012A (en) | A kind of readjustment machine large arm fluid power system | |
| CN110500435A (en) | A kind of gas-liquid linked control system for the control of oil-gas pipeline valve | |
| CN208749699U (en) | A kind of Intelligent gas-liquid executing agency | |
| CN209444655U (en) | It is a kind of for the hydraulic system with function of redundancy protection | |
| CN205533489U (en) | ESD valve electricity liquid final controlling element of variable speed | |
| CN204942721U (en) | Cut-off valve is threaded off and resetting-mechanism | |
| CN204512600U (en) | With the duplex air solenoid directional control valve of measuring ability | |
| CN208616596U (en) | Hydrocone type oil tank intelligence dewatering system | |
| CN206496066U (en) | A kind of valve opening control device | |
| CN206785638U (en) | A kind of bavin moves screw compressor control system | |
| CN205800265U (en) | A kind of hydraulic system of sewage solid waste hydraulic press | |
| CN109185242A (en) | A kind of large size reel sprinkling irrigation machine fluid pressure drive device | |
| CN208749700U (en) | A kind of hydraulic manual device applied to pneumatic actuator | |
| US6854478B1 (en) | Fluid-controlled valve for pipeline pig | |
| CN1202929C (en) | Hydraulic transmission system for slide runner of continuous casting ladle | |
| CN201215536Y (en) | Material tester | |
| CN207486146U (en) | Safety cut-off valve and its control system | |
| CN111322451B (en) | Gas-liquid linkage actuating mechanism | |
| CN106763934A (en) | The lift check and cut-off combination valve of dual drive quick closedown | |
| CN2083052U (en) | Switching unit of air supply system | |
| CN2445161Y (en) | Differential pressure valve | |
| CN203322433U (en) | Track ball valve with observation window | |
| CN217401869U (en) | Pneumatic device for quickly opening and closing hydraulic valve |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191126 |
|
| RJ01 | Rejection of invention patent application after publication |