CN103742696A - Quick-valve magnetic control gravity emergency drive device - Google Patents
Quick-valve magnetic control gravity emergency drive device Download PDFInfo
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- CN103742696A CN103742696A CN201410014975.XA CN201410014975A CN103742696A CN 103742696 A CN103742696 A CN 103742696A CN 201410014975 A CN201410014975 A CN 201410014975A CN 103742696 A CN103742696 A CN 103742696A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
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- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a quick-valve magnetic control gravity emergency drive device which comprises a quick valve body, a valve spool, a moment arm lever, a counter weight and a magnetic controller chuck and a magnetic field program controller thereof. Emergency shifting of the valve spool in the valve body is completed automatically depending on external gravity moment, the weight generating the gravity moment and the moment arm lever thereof are attracted together and locked by the magnetic controller chuck to keep torque on a valve spool shaft in balance and keep a set process state of a quick valve, after the magnetic controller chuck is demagnetized under the condition of automatic control, the state of the valve spool is changed by the gravity moment generated by the released counter weight and a drive lever, and the flow state is switched. The device has the advantages that the flow state is quickly and automatically changed in emergencies so as to automatically and safely regulate pipeline flow, hidden danger of possibly caused flow overpressure, fire disasters and contamination accidents can be eliminated, and the flow can be automatically regulated even if under the fire disasters and the like, in order to avoid danger in emergencies.
Description
Technical field
The present invention relates to immediate action valve magnetic control gravity emergency driving device, in particular, the present invention relates to a kind of automation safety installation of producing the emergent prevention and control hedging of flow process of storage tank and pipeline for dangerization product such as combustion gas, water conservancy, petrochemical industries.
Background technique
The dangerization product production accumulating industries such as current CNPC, Sinopec are more original in the pipeline valve technology of use, most manpower, hydraulic system, gas storage pneumatic system, the electronic and combination transmission modes of relying on of driving mode.Numerous production practices and accident case prove that controlling of existing pipeline flow process valve exists defect and obvious hidden danger, mechanical transmission is supporting require high, rate of fault is high, maintenance cost is high, supporting guarantee cost is high, high to interdependencies such as civil powers, simultaneously himself hidden danger is also brought new safety problem to flow management and control, and particularly the deathtrap such as field and fire automation function reliability is difficult to ensure.CNPC's 7.16 accidents in 2010, Dalian Bonded Area oil depot crude oil pipeline is on fire from explosion, owing to cannot causing crude oil to leak by closing flow path after electric gate valve power-off, the oil tank of ten ten thousand steres that not only ignited, but also cause the pollution of Dalian Sea Area and burn; 2013 Qingdao Huang Island 11.22 Sinopec Technique of Crude Oil Transport Pipeline Leak explosive accident casualty loss are heavy, it is huge to affect, and do not come from equally and find in time, in emergency circumstances lack the effective means of auto-control flow process pressure and rate-of flow.
The inventor thinks, the key that this major accident occurs is in arranging of crude oil pipeline, to lack for emergent flow process device for automatically regulating, design not implant the Automation Specialty prevention device of urgent danger prevention.
If in crude oil storage tank outlet and long distance pipeline flow process, reasonable layout, the supporting immediate action valve magnetic control gravity emergency driving device that is provided with, both can meet daily automatic production control, increased again the auto-control function of flow process under the state of emergency.Because the moment of torsion that mass and arm bar provide to valve shaft is not subject to condition restriction, once there is so status, immediate action valve magnetic control gravity emergency driving device just can be by controlling and local operation automatically, realize rapidly flexibly regulation and control and the change of this region flow state, then reach the object of urgent danger prevention.Fact proved that to produce cross complexity, valve of storing and transporting system pipeline numerous; affect safe hidden danger various be difficult to prediction; if this type of emergent robot device of taking precautions against of the supporting implantation in zoning is tackled accident in the pipe network flow processs such as dangerization product; once promptly tackling, incident gets rid of superpressure hidden danger and risk of leakage; the management and control of realization flow safety automation drops to loss minimum, and eliminates that may to lead to the hidden danger of fire and contamination accident significant.
Summary of the invention
Object of the present invention, solves exactly the problem that above prior art exists, and a kind of daily automatic production control that both can meet is provided for this reason, has increased again the automation safety precaution equipment of the auto-control function of flow process under the state of emergency simultaneously.
Technological scheme of the present invention is:
Immediate action valve magnetic control gravity emergency driving device, comprise quick valve body, spool, arm bar, mass and magnetic controller sucker and magnetic field programming controller, it is characterized in that, the drive shaft end processing sets up spline of described quick valve spool is for linking with driveshaft, it is described that both take spline fitted to be connected with to be beneficial to the adjustment of arm bar angle, arm bar far-end active pin connects mass, magnetic field that mass relies on magnetic controller sucker to produce is locked and lay in gravitational potential energy, the instruction that the generation in magnetic controller sucker magnetic field and elimination rely on magnetic field programming controller to send it, the supporting debugging locking of immediate action valve splined shaft and arm bar splined hole forms the supporting assembly of immediate action valve magnetic control gravity emergency driving device after installing,
Described immediate action valve magnetic control gravity emergency driving device, its formation comprises quick valve body, spool, arm bar, mass and magnetic controller sucker and magnetic field programming controller thereof, described immediate action valve magnetic control gravity emergency driving device is no longer dependent on any power by the urgent opening and closing operations of spool of immediate action valve and does not even rely on civil power, described drive unit only relies on the gravitational potential energy of mass deposit to convert gravity hard iron to through arm bar, for spool live axle provides moment of torsion, realize the opening and closing action of quick spool.Automatically control and the urgent displacement automatization level of programming controller networking in magnetic field with poppe tvalve core, the mass of common described generation gravitational moment is locked by the adhesive of magnetic controller sucker, the arm bar of mass and pin connection keeps the balance to poppet shaft, keeps immediate action valve to be set state of the art stable; Automatically control down to magnetic field programming controller is to magnetic controller sucker demagnetization instruction, mass is unlocked and together with driveshaft, under Action of Gravity Field, quick valve shaft is produced to gravity torque and change the state before spool, and the state of realization flow switches.Advantage of the present invention is: can in case of emergency change fast and automatically flow state to realize the auto-control of pipeline flow process safety, eliminate the hidden danger that may lead to flow process superpressure, fire and contamination accident, to realizing urgent danger prevention simultaneously.
The magnetic controller sucker of described immediate action valve magnetic control gravity emergency driving device arranges fixing with quick valve body and arm bar and damping speed regulator (equipped while needing) with basic matching and debugging at the scene.
Described immediate action valve magnetic control gravity emergency driving device, takes wireless telecommunications, PLC circuit module input, computer remote, telephonic communication and the intensive control of various ways on the spot.
The startup automation signal of described immediate action valve magnetic control gravity emergency driving device comes from and gathers production scene signal, and the collection of the process parameters such as pipeline network leak and interior media pressure, flow, density, temperature, vibrations is implanted.
The magnetic controller of described immediate action valve magnetic control gravity emergency driving device is partly furnished with emergent lithium cell power supply, and under normal conditions, charging guarantees that the rear system of power failure is normal to Lithium battery for civil power or solar energy.
The invention has the beneficial effects as follows: can under the state of emergency, rely on gravitational potential energy to control fast and automatically immediate action valve and change flow state, thereby realize the auto-control of pipeline flow process safety, eliminate the hidden danger that may lead to flow process superpressure, fire and contamination accident simultaneously, even if under the disaster state such as on fire, also can auto-control flow process, to realizing urgent danger prevention.
Accompanying drawing explanation
Accompanying drawing is the present invention and in conjunction with immediate action valve, supporting structural representation is set;
Accompanying drawing explanation
Fig. 1 is the structural representation of magnetic controller sucker of the present invention and mass adhesive.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the structural representation that the present invention and quick butterfly valve form a complete set of and install.
Fig. 4 is the right elevation of Fig. 3, and (the void often opened of magnetic controller sucker and mass adhesive quick valve spool
Line 11) online operating mode falls behind schematic diagram under hedging state (12) mass after emergency shutdown.
Mark in Fig. 1: 1-magnetic controller sucker cable passage 2-magnetic controller sucker steelframe 3-magnetic controller sucker 4-magnetic controller sucker and mass adhesive surface of contact 5-mass 10-fixed mounting
Mark in Fig. 2: the splined hole 9-magnetic field programming controller that 6-mass is connected with quick valve door-hinge with arm bar connecting pin 7-arm bar 8-
Mark in Fig. 3; 1-quick setup valve body 2-magnetic controller sucker 3-fixed mounting 4-arm bar hole is connected cooperation 5-arm bar 6-mass and is connected active pin 7-mass with arm bar with quick valve door-hinge
Mark in Fig. 4; The quick butterfly valve mounting hole of the 8-quick setup valve core closed condition 9-quick setup valve core opening state 10-11-mass corresponding with quick setup valve core opening state discharged the lower weight reinforcing falling behind to spool lock state by mass corresponding to the stationary state 12-of disk adhesive and quick setup valve core closed condition by magnetic controller sucker
Embodiment
For the present invention is more easily understood, below in conjunction with accompanying drawing and embodiment, technological scheme of the present invention is described in detail.
With reference to accompanying drawing 1, immediate action valve magnetic control gravity emergency driving device of the present invention, comprise drive unit body and with the mechanics framework of the supporting installation of immediate action valve;
Described immediate action valve magnetic control gravity emergency driving device body, comprise magnetic controller sucker 3, the cable of described magnetic controller sucker 3 is realized communication through the magnetic controller sucker cable passage 1 of magnetic controller sucker steelframe 2 inside with magnetic field programming controller 9 (Fig. 2) and is connected.After the mass 5 being flexibly connected through connecting pin 6 with arm bar 7 (Fig. 2) contacts with magnetic controller sucker 3, under the condition of magnetic field programming controller 9 (Fig. 2) is controlled, magnetic controller sucker 3 is magnetized, moment mass 5 by the working surface 4 of magnetic controller sucker 3, locked and keep laying in the gravitational potential energy of mass;
Described and the mechanics framework supporting installation of immediate action valve, comprise that arm bar 7 (Fig. 2) was connected and fixed after installation by splined hole 8 (Fig. 2) and mating of immediate action valve splined shaft, form a complete mechanics driving mechanism, this mechanics driving mechanism drives the energy of acting from the gravitational potential energy of mass deposit to quick valve spool, the instruction of described mechanics mechanism action comes from the automation condition setting of magnetic field programming controller.
With reference to accompanying drawing 3 and accompanying drawing 4, immediate action valve magnetic control gravity emergency driving device of the present invention and the application example explanation of butterfly valve combination accessory fast;
According to the structural parameter of the selected arm bar 5 (Fig. 3) of the parameters such as the Media density in the bore of immediate action valve and pipeline, viscosity, flow, flow velocity, the parameter of selected mass 7 (Fig. 3), selected magnetic controller sucker 2 (Fig. 3) parameter, set magnetic controller sucker steelframe 2 (Fig. 1) physical dimension, fully meeting mass 7 under stand-by state is fixed to such an extent that safety is firm by magnetic controller sucker 2 (Fig. 3), guarantee that mass can not come off by unexpected release, to keep the original unlatching (or closing) of immediate action valve in stable condition; While needing to close pipeline flow process under the state of emergency, magnetic field programming controller according to conditioned signal by magnetic controller sucker 2 (Fig. 3) moment demagnetization, almost mass 7 (Fig. 3), by magnetic controller sucker 2 (Fig. 3) release, changes into lower backward state 12 (Fig. 4) by original attracting state 11 (Fig. 4) simultaneously.This process, the torsional moment that mass 7 (Fig. 3) produces quick valve door-hinge 4 (Fig. 3) through arm bar 5 (Fig. 3) changes the home position state of quick spool, allow immediate action valve close (Fig. 4) by often opening to change into, or opened by normally closed changing into, to realize the state of emergency management regulation to place pipeline, reach the object of process automation urgent danger prevention.
Setting like this of the present invention, can make the many a kind of steer mode of existing immediate action valve, for existing immediate action valve provides the new emergent fast driving scheme of Non-energy-consumption, for the safety of pipeline flow process provides a kind of new automation control mode, the gravity of mass is combined with magnetic force and keeps mechanical equilibrium to reach the object of deposit gravitational potential energy, magnetic field programming controller is set after implanted its chip the independent of various conditions, and the release that this system is gravitational potential energy provides the reliable automation management and control of multichannel pattern.
Magnetic field programming controller 9 (Fig. 2) described in the present invention and magnetic controller sucker 3 (Fig. 1) adopt civil power or solar energy to the mutual available power mode of two-way of built-in lithium battery charging, and while guaranteeing to have a power failure, lithium cell meets that in emergency circumstances system works is normal.Its automation communication mode can be taked PLC circuit module, computer remote and the mode such as control on the spot, can also gather the parameter switching values such as fire alarm, temperature, pressure, flow, flow velocity, vibrations or analog signals and implant and control.
Working principle of the present invention and using method are as follows:
(1) immediate action valve magnetic control gravity emergency driving device of the present invention is mated to (with the Structure of need optimization process of Denso) with existing quick butterfly valve or quick ball valve; combination accessory is arranged in the flow process that emergency may appear in dangerization product pipeline or the region of interest such as outlet of oil storage tank; make the normal process state of described quick valve spool in needs, and meet pipeline technology Production requirement.
(2) when there is technique dangerous situation in the upstream and downstream of described valve, can be by the magnetic field that magnetic controller sucker is eliminated in manual or computer program automatic control on the spot, scene, allowing mass fall rapidly drive armed lever rotates displacement moment of torsion to quick valve spool is provided around quick valve shaft axle center, regulate and control fast dangerization product rate-of flow, the urgent danger prevention of realization flow; When the fire field environment that occurs to leak and ignite due to dangerization product pipeline; also can pop one's head in signal automatically or long-distance remote control makes described immediate action valve rely on moment of torsion throttle down that mass fallen to producing by abrupt release to block fast medium flow process by fire alarm, reach under the state of emergency object of hedging fast.
(3) after hedging work completes, immediate action valve magnetic control gravity emergency driving device of the present invention can reset in conjunction with computer program automatic control by on-site manual, according to environment, also full-automatic resetting-mechanism can be supportingly set, return to normal process need state.
Immediate action valve magnetic control gravity emergency driving device of the present invention, compares with existing valve actuation techniques, has the following advantages:
(1) adopt magnetic field to control the gravitational potential energy of in good time release weight deposit, hardware configuration is simple, and structural stability, anti-aging, non-maintaining without easily damaged parts, does not have energy consumption, does not need to assist a ruler in governing a country the energy, has promoted the safety and reliability of pipeline transmission production management and control.
(2) the high magnetic fields locking mass deposit that described immediate action valve magnetic control gravity emergency driving device relies on magnetic controller sucker is large gravitational potential energy enough, under magnetic field program control management all the time in to the anti-norm condition of conduit running safety detection, to guard flow process safety; Utilize magnetic field programming controller by the moment demagnetization of magnetic controller sucker to mass release, through arm bar transmission, drive quick valve spool to flow implementation management and control, simple operation is efficient, be swift in motion and put in place and hold mode reliable and stable (the supporting Damper Control that arranges is impacted as required), possess the remarkable function that high-efficient automatic is produced regulation and control and the urgent automation hedging of burst accident.
(3) guarantee in the situation that meeting with dangers, fast pipeline flow process is controlled in change, realizes urgent danger prevention or recovers, and leakage loss is dropped to minimum, and eliminates the best effects that may lead to fire explosion and contamination accident hidden danger.
Immediate action valve magnetic control gravity emergency driving device of the present invention; coordinate immediate action valve to be installed on petrochemical pipe; the tank root of dangerization product storage tank can solve the Sudden Leakage event that may occur in pipelines and petrochemical pipelines transport courses; generally; being installed on long distance pipeline divides on the interval pipe network node in defeated station; its state meets normal process flow needs and in standby emergency mode, hour of danger is with blocking-up dangerization product dielectric leakage, and Accident prevention expansion and environmental pollution are to reduce property loss.
Immediate action valve magnetic control gravity emergency driving device of the present invention; setting on dangerization product medium pipeline; be a conventional valve matched device and a kind of emergency device with preventive effect; do not affect normal process state in pipeline, scientific and reasonable setting will initiatively be controlled fast regulation and control flow process when unexpected for pipeline reliable means will efficiently be provided.
Immediate action valve magnetic control gravity emergency driving device of the present invention; pipeline classification is not limit; mounting point in flow process is not limit; be specially adapted to the equipped of danger product medium Tank root; there is standby strick precaution, both can independent control operation, also can Remote networking control; be convenient to information sharing, for realizing the management of networking Internet of Things, provide condition.
With reference to drawings and Examples, immediate action valve magnetic control gravity emergency driving device of the present invention is described above, this description is schematically, does not have restricted.For those of ordinary skill in the field, under the enlightenment of above-mentioned explanation, in order to realize same technical purpose, can also carry out some adjustment or change to structure of the present invention, thereby form new technological scheme.Special needs to be pointed out is, only otherwise depart from invention aim of the present invention, all apparent modifications or technology essential factor be equal to replacement, within being all included in protection scope of the present invention.
Claims (7)
1. immediate action valve magnetic control gravity emergency driving device, comprise quick valve body, spool, arm bar, mass and magnetic controller sucker and magnetic field programming controller thereof, it is characterized in that, the drive shaft end spline joint driveshaft of described valve body, driveshaft far-end active pin connects mass, the magnetic field that mass relies on magnetic controller sucker to produce is locked, form one and integrate the security device that control drives regulation and control flow process, the generation in magnetic controller sucker magnetic field and elimination rely on magnetic field programming controller and put in circuit or provide 24V lithium cell for oneself, magnetic controller is set to implant in chip with the condition of demagnetization to magnetizing of sucker and is realized magnetic field conversion through automatic control system, after the supporting installation communication access of described each parts, form immediate action valve magnetic control gravity emergency driving device assembly,
Described immediate action valve magnetic control gravity emergency driving device assembly, comprises conventional immediate action valve body and poppet shaft is implemented to the torsion lever arm of twisting operation and supporting damper (not shown in FIG.) and mass and the maintenance blocked magnetic controller sucker of mass and magnetic field programming controller;
Described immediate action valve magnetic control gravity emergency driving device, its formation comprises quick valve body, spool, arm bar, mass and magnetic controller sucker and magnetic field programming controller thereof, described immediate action valve magnetic control gravity emergency driving device is no longer dependent on any power by the urgent opening and closing operations of spool of immediate action valve and does not even rely on civil power, described drive unit only relies on the gravitational potential energy of mass deposit to convert gravity hard iron to through arm bar, for spool live axle provides moment of torsion, realize the opening and closing action of quick spool.Automatically control and the urgent displacement automatization level of programming controller networking in magnetic field with poppe tvalve core, the mass of common described generation gravitational moment is locked by the adhesive of magnetic controller sucker, the arm bar of mass and pin connection keeps the balance to poppet shaft, keeps immediate action valve to be set state of the art stable; Automatically control down to magnetic field programming controller is to magnetic controller sucker demagnetization instruction, mass is unlocked and together with driveshaft, under Action of Gravity Field, quick valve shaft is produced to gravity torque and change the state before spool, and the state of realization flow switches.Advantage of the present invention is: can in case of emergency change fast and automatically flow state to realize the auto-control of pipeline flow process safety, eliminate the hidden danger that may lead to flow process superpressure, fire and contamination accident, to realizing urgent danger prevention simultaneously.
2. immediate action valve magnetic control gravity emergency driving device according to claim 1, is characterized in that, the intrinsic spool reset condition of described immediate action valve can be often to open.
3. immediate action valve magnetic control gravity emergency driving device according to claim 1, is characterized in that, the intrinsic spool reset condition of described immediate action valve can be normally closed.
4. immediate action valve magnetic control gravity emergency driving device according to claim 1, is characterized in that, described mass and arm bar thereof are according to demand to setting parameter.
5. immediate action valve magnetic control gravity emergency driving device according to claim 1, is characterized in that, described magnetic controller sucker and magnetic field programming controller thereof meet intrinsic safe explosion-proof design standard.
6. immediate action valve magnetic control gravity emergency driving device according to claim 1, is characterized in that, the movement speed of described quick spool is regulated and controled by buffer damping parts.
7. immediate action valve magnetic control gravity emergency driving device according to claim 1, is characterized in that, described mass is by the magnetic controller sucker adhesive plane materiel matter close magnetic substance such as be iron and steel.
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| CN201410014975.XA CN103742696A (en) | 2014-01-02 | 2014-01-02 | Quick-valve magnetic control gravity emergency drive device |
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| CN201410014975.XA CN103742696A (en) | 2014-01-02 | 2014-01-02 | Quick-valve magnetic control gravity emergency drive device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179991A (en) * | 2014-08-29 | 2014-12-03 | 天津市塘沽津滨阀门有限公司 | Magnetic-control valve emergency gravity driving device |
| CN105351595A (en) * | 2014-08-22 | 2016-02-24 | 费希尔控制国际公司 | Electromagnetic releasing mechanism for valve |
| WO2016028603A1 (en) * | 2014-08-22 | 2016-02-25 | Emerson Process Management Regulator Technologies, Inc. | Electromagnetic release for valve |
| CN105909835A (en) * | 2016-06-11 | 2016-08-31 | 朱志强 | Unpowered safety valve for pipeline emergency flow limiting |
| CN107061822A (en) * | 2017-01-10 | 2017-08-18 | 广东省安全生产技术中心（广东省安全生产宣传教育中心） | A kind of flame proof valve for explosive dust atmosphere |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351595A (en) * | 2014-08-22 | 2016-02-24 | 费希尔控制国际公司 | Electromagnetic releasing mechanism for valve |
| WO2016028603A1 (en) * | 2014-08-22 | 2016-02-25 | Emerson Process Management Regulator Technologies, Inc. | Electromagnetic release for valve |
| US10663070B2 (en) | 2014-08-22 | 2020-05-26 | Emerson Process Management Regulator Technologies, Inc. | Electromagnetic release for valve |
| CN105351595B (en) * | 2014-08-22 | 2021-10-15 | 费希尔控制国际公司 | Electromagnetic release for valve |
| CN104179991A (en) * | 2014-08-29 | 2014-12-03 | 天津市塘沽津滨阀门有限公司 | Magnetic-control valve emergency gravity driving device |
| CN104406055B (en) * | 2014-10-20 | 2017-10-27 | 天津贝尔自动化仪表技术有限公司 | The electronic fast and safely valve of pipeline with power-off auto-reset function |
| CN105909835A (en) * | 2016-06-11 | 2016-08-31 | 朱志强 | Unpowered safety valve for pipeline emergency flow limiting |
| CN107061822A (en) * | 2017-01-10 | 2017-08-18 | 广东省安全生产技术中心（广东省安全生产宣传教育中心） | A kind of flame proof valve for explosive dust atmosphere |
| CN107061822B (en) * | 2017-01-10 | 2023-05-16 | 广东省安全生产技术中心有限公司 | Explosion-proof valve for explosive dust environment |
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