CN110332325A - A kind of gas control emergency relief valve - Google Patents

A kind of gas control emergency relief valve Download PDF

Info

Publication number
CN110332325A
CN110332325A CN201910662454.8A CN201910662454A CN110332325A CN 110332325 A CN110332325 A CN 110332325A CN 201910662454 A CN201910662454 A CN 201910662454A CN 110332325 A CN110332325 A CN 110332325A
Authority
CN
China
Prior art keywords
sealing plate
pressure
plate
reciprocating sliding
inlet plate
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
Application number
CN201910662454.8A
Other languages
Chinese (zh)
Inventor
陈远华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yi Ding Petrochemical Equipment Manufacturing Co Ltd
Original Assignee
Shanghai Yi Ding Petrochemical Equipment Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Yi Ding Petrochemical Equipment Manufacturing Co Ltd filed Critical Shanghai Yi Ding Petrochemical Equipment Manufacturing Co Ltd
Priority to CN201910662454.8A priority Critical patent/CN110332325A/en
Publication of CN110332325A publication Critical patent/CN110332325A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/30Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
    • F16K1/301Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers only shut-off valves, i.e. valves without additional means
    • F16K1/302Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers only shut-off valves, i.e. valves without additional means with valve member and actuator on the same side of the seat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/50Preventing rotation of valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • F16K37/005Electrical or magnetic means for measuring fluid parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

The invention discloses a kind of gas control emergency relief valves, it is related to valve technology field, including valve body, valve body is equipped with gas storing mechanism, gas storage organization includes inlet plate and sealing plate, inlet plate offers venthole, it sealing plate and inlet plate sealed set and is flexibly connected, reciprocating sliding part is fixedly installed on sealing plate, sealing plate and reciprocating sliding part are sequentially connected, valve body is equipped with control device, control device is equipped with pressure limit, control device is electrically connected with reciprocating sliding part, the pressure sensitive part being electrically connected with control device is installed on inlet plate, when the pressure value of pressure sensitive part detection is lower than pressure limit, sealing plate and inlet plate sealed set or reciprocating sliding part drive sealing plate and inlet plate sealed set, when the pressure value of pressure sensitive part detection is higher than pressure limit, it controls reciprocating sliding part and drives sealing plate fortune It is dynamic to reach immediate leakage pressure, reduce the pressure gathered in holding vessel, guarantees the safety of holding vessel.

Description

A kind of gas control emergency relief valve
Technical field
The present invention relates to valve technology fields, more specifically, it relates to a kind of gas control emergency relief valve.
Background technique
Bleeder valve is the aperture of the intracorporal opening and closing element of control valve to adjust the flow of medium, by the pressure reduction of medium, together When by downstream pressure effect adjust opening and closing element aperture, make downstream pressure keep in a certain range, inlet pressure not In the case where disconnected variation, valve of outlet pressure in the range of setting is kept.
Existing notification number is a kind of double containment type emergency relief valve of CN207906533U, including shell, liquid holding groove, baffle With pressure control counterweight shell, liquid holding groove is arranged around the outside of shell circumferential direction, and the upper end of baffle is connect with the lower surface of pressure control counterweight shell; Baffle is divided into interconnected when pressure control counterweight shell is installed to the opening of shell in baffle insertion liquid holding groove and by liquid holding groove Inner groove and outer groove, shell towards pressure control counterweight shell edge and pressure control counterweight shell lower surface between formed it is first close It seals, sealing liquid is contained in liquid holding groove to form the second sealing.
In the prior art, valve disc carries out the control of pressure using self weight pressure control and spring pressure control two ways, leads to valve The mounting means of disk can only be installed vertically upward, in above-mentioned technical proposal, be sealed by pressure control counterweight shell to shell, use Mode be self weight pressure control, and gas be discharged when, by gas jack up pressure control counterweight shell in a manner of emergency discharge internal pressure It is more slow, it is difficult to which that the pressure being rapidly achieved in release holding vessel is easy to cause holding vessel accumulated inside pressure, causes holding vessel Safety reduce.
Summary of the invention
It is released this more slow problem of pressure in practice using self weight pressure control mode, present invention aims at It proposes a kind of gas control emergency relief valve, by setting reciprocating sliding part, pressure sensitive part and control device, controls reciprocating sliding Part drives sealing plate movement to reach immediate leakage pressure, reduces the pressure gathered in holding vessel, guarantees the safety of holding vessel, has Body scheme is as follows:
A kind of gas control emergency relief valve, the valve body including being installed on holding vessel import, the valve body are stored equipped with gas Mechanism, the gas storing mechanism include inlet plate and sealing plate, and the inlet plate offers venthole, at the sealing plate In the venthole side and with the inlet plate sealed set and be flexibly connected, the sealing plate deviates from the one of the venthole Side is fixedly installed with reciprocating sliding part, and the sealing plate and the reciprocating sliding part are sequentially connected, and is additionally provided with control on the valve body Device processed, the control device are set with pressure limit, and the control device is electrically connected with the reciprocating sliding part, the air inlet Pressure sensitive part for measuring pressure value in the venthole, the pressure sensitive part and the control device are installed on plate Electrical connection;
When the pressure value of pressure sensitive part detection is lower than the pressure limit, the sealing plate and the inlet plate Sealed set or the reciprocating sliding part drive the sealing plate and the inlet plate sealed set, when the pressure sensitive part is examined When the pressure value of survey is higher than the pressure limit, the reciprocating sliding part drives the sealing plate to be in the inlet plate and separates State.
Through the above technical solutions, valve body integral installation is in holding vessel import, when holding vessel needs to carry out pressure releasing When, i.e. the pressure value of pressure sensitive part detection is higher than pressure limit, and pressure sensitive part sends letter to control device, control device control Reciprocating sliding part work processed, reciprocating sliding part drive sealing plate to do the movement far from inlet plate, quick separating sealing plate and air inlet Gas in venthole is released, achievees the effect that pressure of releasing by plate, when the pressure balance in holding vessel, i.e. pressure sensitive The pressure value of part detection is below or equal to pressure limit, and pressure sensitive part sends letter to control device, and control device controls past Multiple pull-push piece work, reciprocating sliding part drives sealing plate to do the movement close to inlet plate, quickly again by sealing plate and inlet plate Fitting is sealed, and guarantees the safety of holding vessel, and to sum up, reciprocating sliding part drives sealing plate movement to reach immediate leakage pressure Power reduces the pressure gathered in holding vessel, in addition, the traffic direction of reciprocating sliding part can be vertically arranged or be horizontally disposed with, solution Certainly as self weight pressure control mode can only right angle setting the problem of, improve the applicability of bleeder valve.
Further, between the sealing plate and the valve body be equipped with limit assembly, the limit assembly include push against block, Clamping screw and locking nut, the clamping screw is successively arranged in the abutting block, on sealing plate and the clamping screw It is locked by the locking nut, the abutting block reciprocatingly slides along the traffic direction of the reciprocating sliding part on the valve body.
It is also slid on valve body through the above technical solutions, pushing against block simultaneously when sealing plate moves, limits the cunning of sealing plate Path is moved, guarantees that sealing plate is happy and stable motion.
Further, the valve body is equipped with dragging track, slidably connects sliding block, the sliding block on the dragging track It is fixedly connected with the abutting block.
Block is pushed against on valve body toward polyslip through the above technical solutions, realizing, structure is simple, is easy to implement.
Further, the sealing plate is in the form of annular discs, and the orthographic projection that the sealing plate is projected on the inlet plate is provide with The inlet plate, the abutting block are connect with the edge of the sealing plate.
Through the above technical solutions, the position for making clamping screw pass through sealing plate is staggered with inlet plate, locking screw is avoided Bolt protrudes into venthole, destroys leakproofness when inlet plate and sealing plate are in sealing state.
Further, the reciprocating sliding part includes cylinder, the end of the telescopic rod of the cylinder and the sealing plate Center location is fixedly connected.
Through the above technical solutions, sealing plate uniform force when cylinder being made to push or pull on sealing plate, stable motion.
Further, the sealing plate is equipped with fixed block away from the side of the venthole, offers on the fixed block The end fixation of inserting groove, the Telescopic-cylinder bar is plugged in the inserting groove.
It is realized between reciprocal telescopic part and sealing plate through the above technical solutions, fixed block is fixedly connected with Telescopic-cylinder bar Connection, avoid destroying sealing plate in telescopic rod insertion sealing plate, when causing to destroy inlet plate and sealing plate in sealing state Leakproofness.
Further, the inlet plate is located at the inner wall at the venthole equipped with sealing ring, and the sealing ring offers Clamping groove, the sealing plate are equipped with clamping ring towards the side of the venthole.
Through the above technical solutions, the sealed connection of sealing ring and sealing plate, knot are realized in the cooperation of clamping groove and clamping ring Structure is simple, easy to operate.
Further, the control device includes PLC controller, the input terminal of the PLC controller and the feeling of stress The output end of part is answered to be electrically connected, the output end of the PLC controller is electrically connected with the input terminal of the cylinder.
Through the above technical solutions, the transmission connection between pressure sensitive part and cylinder is realized in the setting of PLC controller, when Pressure sensitive part senses that the pressure at inlet plate increases, and sends a signal to PLC controller, and PLC controller driving cylinder removes band Dynamic sealing plate moves back and forth.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) by setting reciprocating sliding part, pressure sensitive part and control device, the pressure value of pressure sensitive part detection is high When pressure limit, pressure sensitive part sends letter to control device, and control device controls the work of reciprocating sliding part, reciprocating sliding part It drives sealing plate to do the movement far from inlet plate, quick separating sealing plate and inlet plate, the gas in venthole is released, pressure The pressure value of induction pieces detection is below or equal to pressure limit, and pressure sensitive part sends letter to control device, control device control Reciprocating sliding part processed work, reciprocating sliding part drive sealing plate to do the movement close to inlet plate, quickly again by sealing plate with into The fitting of gas plate is sealed, and guarantees the safety of holding vessel, in addition, the traffic direction of reciprocating sliding part can be vertically arranged or water Flat setting, solves the problems, such as self weight pressure control mode can only right angle setting, improve the applicability of bleeder valve;
(2) by setting limit assembly, clamping screw is successively arranged in and pushes against block, on sealing plate and clamping screw is by described Locking nut locking, pushes against block simultaneously when sealing plate moves and also slides on valve body, limits the sliding path of sealing plate, guarantees close Sealing plate is happy and stable motion.
Detailed description of the invention
Fig. 1 is the overall schematic of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram that the present invention shows connection relationship between cylinder and valve body;
Fig. 3 is that the present invention shows that connection relationship is illustrated along the section that cylinder traffic direction is splitted between inlet plate and sealing plate Figure;
Fig. 4 is the partial enlargement diagram in the portion A in Fig. 3;
Fig. 5 is the partial enlargement diagram in the portion B in Fig. 3.
Appended drawing reference: 1, gas storing mechanism;2, inlet plate;21, venthole;3, sealing plate;4, sealing ring;41, it is clamped Slot;5, it is clamped ring;6, cylinder;7, fixed block;71, inserting groove;8, pressure sensitive part;9, PLC controller;10, limit assembly; 11, block is pushed against;12, clamping screw;13, locking nut;14, dragging track;15, sliding block;16, valve body;17, cabinet;18, it installs Seat.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, but embodiments of the present invention are not only It is limited to this.
A kind of gas control emergency relief valve combined with Figure 1 and Figure 2, for the pressure in holding vessel of releasing, which includes installation In the valve body 16 of holding vessel import, valve body 16 is equipped with gas storing mechanism 1, and gas storing mechanism 1 includes inlet plate 2 and close Sealing plate 3, inlet plate 2 is whole cylindrical, and inlet plate 2 offers venthole 21 along own central axis line, and sealing plate 3 is in ventilation 21 side of hole and with 2 sealed set of inlet plate and be flexibly connected, when valve body 16 is installed, side of the venthole 21 far from sealing plate 3 It is connected to holding vessel, so that venthole 21 is in sealing device, when pressure needs to release in holding vessel, sealing plate 3 and air inlet The separation of plate 2 generates gap and achievees the effect that pressure of releasing so that the gas in venthole 21 is discharged from gap.
In conjunction with Fig. 3 and Fig. 4, specifically, sealing plate 3 is in the form of annular discs, inlet plate 2 is located at the inner wall at venthole 21 equipped with close Seal 4, sealing ring 4 are made of soft rubber, and sealing ring 4 is whole annular in shape, and sealing ring 4 offers clamping groove along its circumferential direction 41, sealing plate 3 is equipped with clamping ring 5 towards the side of venthole 21, by being clamped the cooperation of ring 5 and clamping groove 41, when clamping ring 5 When being clamped in clamping groove 41, sealing plate 3 and inlet plate 2 are realized and are tightly connected.
In conjunction with Fig. 2 and Fig. 3, sealing plate 3 is fixedly installed with reciprocating sliding part, reciprocating sliding part away from the side of venthole 21 Including cylinder 6, mounting base 18 is fixedly installed in valve body 16, cylinder 6 is fixedly connected with mounting base 18, by mounting base 18 by gas Cylinder 6 is erected in valve body 16.Cylinder 6 is fixedly connected by the end of the telescopic rod of cylinder 6 with the center location of sealing plate 3, and The telescopic direction of cylinder 6 and the axial direction of sealing plate 3 are arranged in parallel.Sealing plate 3 is equipped with away from the side of venthole 21 and fixes The center location that block 7, i.e. fixed block 7 are fixedly installed in sealing plate 3 offers inserting groove 71,6 telescopic rod of cylinder on fixed block 7 End be plugged in inserting groove 71 and be interference fitted, realization be fixedly connected with inserting groove 71.
As shown in figure 3, being equipped with the pressure sensitive part 8 for measuring pressure value in venthole 21, feeling of stress on inlet plate 2 Part 8 is answered to be set as pressure sensor, pressure sensor can be used Shanghai trip and so sense model EVT- in Science and Technology Ltd. 20CT pillar pressure sensor, and pressure sensitive part 8 is specifically fixed on the outer wall of inlet plate 2.Control is additionally provided on valve body 16 Device, control device are set as PLC controller 9, and the programmable controller of Siemens S7300 can be used in PLC controller 9.PLC control The input terminal of device 9 processed is electrically connected with the output end of pressure sensitive part 8 by conducting wire, output end and the cylinder 6 of PLC controller 9 Input terminal electrical connection.PLC controller 9 is set with pressure limit, and service personnel sets pressure limit by actual condition.
Extend it using the time for protection control device, be fixedly installed with cabinet 17 on valve body 16, PLC controller 9 and Other associated components are placed in cabinet 17.
Holding vessel do not need to release when being in normal condition pressure when, when pressure sensitive part 8 detect pressure value be lower than When pressure limit, sealing plate 3 and 2 sealed set of inlet plate, i.e. clamping ring 5 are clamped in clamping groove 41, and pressure sensitive part 8 will not Signal is sent to PLC controller 9, when the pressure value that pressure sensitive part 8 detects is higher than pressure limit, reciprocating sliding part drives close Sealing plate 3 does the movement far from inlet plate 2, and clamping ring 5 is deviate from from clamping groove 41, separated so that sealing plate 3 is in inlet plate 2 State, so that venthole 21 is in open state, gas overflowing achievees the effect that pressure of releasing, when pressure releasing to feeling of stress When the pressure value for answering part 8 to detect is lower than pressure limit, reciprocating sliding part drives sealing plate 3 to do the movement close to inlet plate 2, until Clamping ring 5 is clamped in clamping groove 41, so that sealing plate 3 and 2 sealed set of inlet plate, are again sealed off venthole 21.
In conjunction with Fig. 3 and Fig. 5, in order to guarantee that sealing plate 3 is happy and stable motion, limit is equipped between sealing plate 3 and valve body 16 Hyte part 10, since sealing plate 3 is in the form of annular discs, limit assembly 10 includes pushing against block 11, clamping screw 12 and locking nut 13, One end that clamping screw 12 is not provided with head, which is successively arranged in, pushes against block 11, on sealing plate 3, and locking nut 13 and locking screw Clamping screw 12 is locked in the threaded connection of bolt 12.Dragging track 14, dragging track 14 and sealing plate 3 are fixedly installed on valve body 16 Axial direction be arranged in parallel, slidably connect sliding block 15 on dragging track 14, sliding block 15 is fixedly connected with block 11 is pushed against, and works as gas When cylinder 6 drives sealing plate 3 to move, drives and push against the movement of block 11, so that the traffic direction of 15 reciprocating sliding part of sliding block reciprocatingly slides In on dragging track 14, the steady state of sealing plate 3 is kept.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of gas control emergency relief valve, the valve body (16) including being installed on holding vessel import, which is characterized in that the valve body (16) it is equipped with gas storing mechanism (1), the gas storing mechanism (1) includes inlet plate (2) and sealing plate (3), described Inlet plate (2) offers venthole (21), the sealing plate (3) be in the venthole (21) side and with the inlet plate (2) sealed set and flexible connection, the sealing plate (3) are fixedly installed with reciprocating sliding away from the side of the venthole (21) Part, the sealing plate (3) and the reciprocating sliding part are sequentially connected, and are additionally provided with control device, the control on the valve body (16) Device processed is set with pressure limit, and the control device is electrically connected with the reciprocating sliding part, is equipped on the inlet plate (2) For measuring the pressure sensitive part (8) of pressure value in the venthole (21), the pressure sensitive part (8) and the control device Electrical connection;
When the pressure value of the pressure sensitive part (8) detection is lower than the pressure limit, the sealing plate (3) and the air inlet Plate (2) sealed set or the reciprocating sliding part drive the sealing plate (3) and the inlet plate (2) sealed set, when described When the pressure value of pressure sensitive part (8) detection is higher than the pressure limit, the reciprocating sliding part drive the sealing plate (3) with The inlet plate (2) is in discrete state.
2. gas control emergency relief valve according to claim 1, which is characterized in that the sealing plate (3) and the valve body (16) limit assembly (10) are equipped between, the limit assembly (10) includes pushing against block (11), clamping screw (12) and locking Nut (13), the clamping screw (12) is successively arranged in the abutting block (11), on sealing plate (3) and the clamping screw (12) by the locking nut (13) lock, abutting block (11) along the traffic direction of the reciprocating sliding part reciprocatingly slide in On the valve body (16).
3. gas control emergency relief valve according to claim 2, which is characterized in that the valve body (16) is equipped with dragging track (14), it is slidably connected sliding block (15) on the dragging track (14), the sliding block (15) and the fixed company of the abutting block (11) It connects.
4. gas control emergency relief valve according to claim 3, which is characterized in that the sealing plate (3) is in the form of annular discs, described The orthographic projection that sealing plate (3) is projected on the inlet plate (2) is provide with the inlet plate (2), the abutting block (11) with it is described The edge of sealing plate (3) connects.
5. gas control emergency relief valve according to claim 4, which is characterized in that the reciprocating sliding part includes cylinder (6), The end of the telescopic rod of the cylinder (6) is fixedly connected with the center location of the sealing plate (3).
6. gas control emergency relief valve according to claim 5, which is characterized in that the sealing plate (3) deviates from the ventilation The side in hole (21) is equipped with fixed block (7), offers inserting groove (71) on the fixed block (7), cylinder (6) telescopic rod End fixation is plugged in the inserting groove (71).
7. gas control emergency relief valve according to claim 1, which is characterized in that the inlet plate (2) is located at the ventilation Inner wall at hole (21) is equipped with sealing ring (4), and the sealing ring (4) offers clamping groove (41), and the sealing plate (3) is towards institute The side for stating venthole (21) is equipped with clamping ring (5).
8. gas control emergency relief valve according to claim 5, which is characterized in that the control device includes PLC controller (9), the input terminal of the PLC controller (9) is electrically connected with the output end of the pressure sensitive part (8), the PLC controller (9) output end is electrically connected with the input terminal of the cylinder (6).
CN201910662454.8A 2019-07-22 2019-07-22 A kind of gas control emergency relief valve Pending CN110332325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910662454.8A CN110332325A (en) 2019-07-22 2019-07-22 A kind of gas control emergency relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910662454.8A CN110332325A (en) 2019-07-22 2019-07-22 A kind of gas control emergency relief valve

Publications (1)

Publication Number Publication Date
CN110332325A true CN110332325A (en) 2019-10-15

Family

ID=68147152

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910662454.8A Pending CN110332325A (en) 2019-07-22 2019-07-22 A kind of gas control emergency relief valve

Country Status (1)

Country Link
CN (1) CN110332325A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1715231A1 (en) * 2005-04-20 2006-10-25 JRG Gunzenhauser AG Valve with an upper section which can be inserted into a valve housing
CN201436426U (en) * 2009-06-30 2010-04-07 广州机械科学研究院 Rockwell sealing ring
CN203585376U (en) * 2013-11-25 2014-05-07 福建龙净环保股份有限公司 Valve plate rotation-preventing guide device
CN203927002U (en) * 2014-04-30 2014-11-05 中国舰船研究设计中心 A kind of superpressure remote control bleeder valve
CN205401716U (en) * 2015-07-22 2016-07-27 国电大渡河检修安装有限公司 Two V type paddle seal structure
KR20160094206A (en) * 2015-01-30 2016-08-09 (주)코리아웰헤드 Hydro test device of the valve body for conveying the fluid
CN208417549U (en) * 2018-07-05 2019-01-22 亿昇(天津)科技有限公司 A kind of Pneumatic emptying valve
CN208793631U (en) * 2018-08-22 2019-04-26 四川九天真空科技有限公司 It is a kind of can multi-angle installation vacuum valve
CN210265911U (en) * 2019-07-22 2020-04-07 上海益鼎石化设备制造有限公司 Pneumatic control emergency relief valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1715231A1 (en) * 2005-04-20 2006-10-25 JRG Gunzenhauser AG Valve with an upper section which can be inserted into a valve housing
CN201436426U (en) * 2009-06-30 2010-04-07 广州机械科学研究院 Rockwell sealing ring
CN203585376U (en) * 2013-11-25 2014-05-07 福建龙净环保股份有限公司 Valve plate rotation-preventing guide device
CN203927002U (en) * 2014-04-30 2014-11-05 中国舰船研究设计中心 A kind of superpressure remote control bleeder valve
KR20160094206A (en) * 2015-01-30 2016-08-09 (주)코리아웰헤드 Hydro test device of the valve body for conveying the fluid
CN205401716U (en) * 2015-07-22 2016-07-27 国电大渡河检修安装有限公司 Two V type paddle seal structure
CN208417549U (en) * 2018-07-05 2019-01-22 亿昇(天津)科技有限公司 A kind of Pneumatic emptying valve
CN208793631U (en) * 2018-08-22 2019-04-26 四川九天真空科技有限公司 It is a kind of can multi-angle installation vacuum valve
CN210265911U (en) * 2019-07-22 2020-04-07 上海益鼎石化设备制造有限公司 Pneumatic control emergency relief valve

Similar Documents

Publication Publication Date Title
JP3502597B2 (en) Two-way valve
US5125429A (en) Piston pressure-type vacuum breaker
JP5266052B2 (en) Valve for controlling high-pressure air pulse
RU2614448C2 (en) Guide element for valve actuator
CN210265911U (en) Pneumatic control emergency relief valve
US4782850A (en) Travel stop for diaphragm regulator valve
KR920001237B1 (en) Double block and vent valve system
CN110332325A (en) A kind of gas control emergency relief valve
CA2646087A1 (en) Valve for a compressed gas container
CN207569286U (en) A kind of device for lowering persons exhaust safety valve
CN106024677B (en) The system for preventing process cavity gas exhaust piping adverse current
CN215928810U (en) Pressure relief device and petroleum safety valve
CN205781123U (en) Valve
CN108488454A (en) A kind of pipeline pressure bleed-off system
US3192953A (en) Check valves
CN210716131U (en) Pneumatic type emptying valve
CN208619787U (en) Deck foam system breather valve
CN107837470B (en) Air supply valve of integrated expiratory valve of small volume
US5833212A (en) Vacuum valve
US4195813A (en) Valve
CN110307373A (en) A kind of gas self-closing valve
RU54129U1 (en) PNEUMATIC DEVICE
CN215635007U (en) High-pressure-resistant pressure reducing valve
CN204755900U (en) A integration safety interlock that is used for fast open -blind plate structure of catch formula
CN109268667B (en) Dry oil lubrication flow switch

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