CN203577210U - Intelligent fire-fighting and pressure-release explosion-proof safety valve - Google Patents
Intelligent fire-fighting and pressure-release explosion-proof safety valve Download PDFInfo
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- CN203577210U CN203577210U CN201320752091.5U CN201320752091U CN203577210U CN 203577210 U CN203577210 U CN 203577210U CN 201320752091 U CN201320752091 U CN 201320752091U CN 203577210 U CN203577210 U CN 203577210U
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Abstract
The utility model discloses an intelligent fire-fighting and pressure-release explosion-proof safety valve, and relates to a pipeline pressure-release explosion-proof device. The safety valve is in a sphere shape; a pretightening device is arranged at the center position; a valve rod is arranged on the pretightening device; the valve rod is sleeved with a buffer spring group; a valve deck is fixed at the lower part of the valve rod; a fire-retardant gauze is arranged at the top end of the valve body; a wireless processor is arranged on the fire-retardant gauze; a fire-fighting fluid container is arranged at the outer side of the valve body; a foam box is connected to the fire-fighting fluid container; a miniature pump is arranged on the foam box; a miniature pump circuit is orderly connected with circuits of a solar storage tank, a solar inverter and a solar cell panel. The safety valve can automatically detonate and rapidly decompress when the explosion pressure inside the pipeline achieves a detonation preset value, the detonation pressure is accurate and adjustable, the safety valve can automatically quickly reset after acting and is high in work efficiency and good in sealing property, and a solar power supply system, an automatic fire-fighting system and a wireless remote control system are adopted, so that the explosion-proof safety valve achieves intelligentization, and is excellent in safety performance, and energy-saving and environment-friendly.
Description
Technical field
The utility model relates to a kind of pipeline-like decompression anti-explosion device, particularly a kind of intelligent fire-fighting pressure-relief explosion-proof safety valve, and product is widely used in the industries such as thermal power plant, petrochemical industry, gas-fired equipment.
Background technology
Since reform and opening-up, national economy obtains rapid growth, and " scientific and technical innovation, autonomous innovation " become the main flow of current domestic industry development, and China's industry is just progressively to the future development of intensive style, energy-saving and emission-reduction, low-carbon (LC).Along with the fast development of China's industry, energy demand increasing, thermal power generation and petrochemical industry industry development are day by day swift and violent.In the defeated coal of thermal power plant, pulverized coal preparation system, desulphurization system and air cooling vapour system, due to the combustible dust that coal dust is comprised of elements such as carbon, hydrogen, sublimed sulfurs, not only easily natural, and may blast.Although expert has carried out years of researches both at home and abroad, and designer also pays close attention to the pipeline Explosion-proof Design problems such as equipment and cigarette, wind, coal dust, but because domestic ature of coal changes and coal dust explosion hazard, thermal power plant's pipe-line system has the generation of blast situation still time, has a strong impact on unit safety reliability service.At present, the explosion precaution that thermal power plant often takes is in pipe-line system, to arrange explosion proof door.Traditional explosion proof door technology generally adopts gravity principle and diaphragm type blasting in once-through principle, and its safe coefficient depends on the quality of burst disk completely, and safety and reliability are stable not, and use time pressure fixing non-adjustable, applicability is not strong.And the explosion proof door of other type is subject to processing the impact of the factors such as method, operating pressure variation; often there will be open quick-fried inaccurate, not quick-fried, mistake is quick-fried, inaccurate, the poor sealing of can not automatically reseting, reset, non-refractory; can not accurately regulate the phenomenons such as pressure; thereby the safety that can not guarantee equipment and the person, affects to safety in production.Therefore; in order to make explosion relief valve really reach the object of protection equipment and personal security; R&D institution and science and technology in enterprise personnel are in constantly research, exploration; utilize modern science and technology; a kind of intelligent pressure-relief explosion-proof fire valve is provided; although obtained technically some progress, still existed the technical barrier not yet overcoming in practice.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, and a kind of intelligent fire-fighting pressure-relief explosion-proof safety valve is provided, and this safety valve adopts magnetic force pretightning force technology, and it is adjustable in rated range that detonation pressure power is opened in realization, and it is reliable to be active in one's movements; Adopt guide rod slip ring interconnection technique, make valve gap operation more steady, reset more accurate, seal more reliable; The combination that valve gap adopts ball face sealing face to combine with combination seal, has further guaranteed the sealing property of safety valve; The combination of employing Different diameter spring, can not only effectively slow down the impulsive force of detonating to valve gap, guarantee venting of dust explosion effect, can also realize by the common mating reaction of secondary spring on guide rod the function of the automatic accurate reset of system after blast, effectively prevent that air from pouring in down a chimney, avoid the secondary of system to fire; On safety valve, add back-fire relief net and be equipped with automatic fire control fire extinguishing system, in the time of effectively preventing from detonating, flare spatters outward and causes fire or personnel's injury; Adopt wireless remote control system, there is automatic detection warning function; Adopt solar electric power supply system, for fire-fighting system and wireless remote control system provide electric current.This valve automaticity is high, and security performance is superior, energy-conserving and environment-protective.
The utility model solves the technical scheme that its technical problem adopts: contain valve block, heat abstractor, guide rod assembly, back-fire relief guard, wireless processor, gas dome, pretightning force device, fire protection pipeline, plumbing nozzle, fire-fighting liquid tank, solar panel, solar inverter, solar energy accumulate case, micropump, bubble chamber, pressure lever, buffer spring group, valve rod, pipeline flange, valve gap, temperature sensor, combination seal, valve block is a circle shape, its periphery is provided with multiple and the hole of the pipeline flange screw being connected that matches, at valve block outer wall, within one week, be provided with heat abstractor, the upper end of valve block is provided with a gas dome, the excircle of gas dome and valve base matches, on gas dome and valve block, be provided with 3 uniform guide rod holes that match, between guide rod hole, be 120 ° of triangles, between gas dome and valve block, be provided with 3 guide rods, the upper and lower side of guide rod, through the guide rod hole of gas dome and valve base, is fixedly connected with as a whole by nut, in the center of gas dome, be provided with pretightning force device, pretightning force device center is provided with a valve rod, valve rod top is fixed on the sucker of pretightning force device, below pretightning force device, be provided with by the superpose buffer spring group of sheathed combination of 3 Different diameter springs, buffer spring group is set in the skin of valve rod, the bottom of valve rod is fixed on the center of valve gap, valve gap is spherical arc shape, the cambered surface part of valve gap covers on valve block completely, and the part that is connected with valve gap at valve base is provided with combination seal, in the upper end of whole valve body, be provided with " U " type back-fire relief guard, this back-fire relief guard top is provided with a through hole, back-fire relief guard is tipped upside down on valve body, at the end face of back-fire relief guard, is also provided with wireless processor, and wireless processor is connected with the temperature sensor that is arranged on leader casing inner side, the outside of valve body is provided with fire-fighting liquid tank, fire-fighting liquid tank is concertina type piston structure, inside is provided with piston, piston lower end is connected with pressure push-rod, the outer end of pressure push-rod is fixed on leader casing, on the top of fire-fighting liquid tank, be provided with inlet and liquid outlet, the fire protection pipeline that liquid outlet connects is fixed on above gas dome one week through back-fire relief guard, and fire protection pipeline is provided with multiple plumbing nozzles, on the fire protection pipeline connecting at fire-fighting liquid tank inlet, be connected with a bubble chamber, in bubble chamber, be provided with fire-fighting foams liquid, bubble chamber is provided with a micropump, the circuit of micropump is connected with solar energy accumulate case, the circuit of solar energy accumulate case is connected with solar inverter, the circuit of solar inverter is connected with the circuit of solar panel.
Above-mentioned guide rod assembly, comprise leader casing, guide rod secondary spring, guide rod, guide rod protective jacket, in leader casing, be provided with guide rod, guide rod secondary spring is set on guide rod, in the outside of guide rod secondary spring, be arranged with guide rod protective jacket, guide rod protective jacket is comprised of upper and lower two sleeve pipes, and the upper end of upper sleeve pipe is fixed on the triangular support bracket of gas dome, cased lower end is fixed on leader casing, and setting of casing is slidably fitted in the endoporus of sleeve pipe.
Above-mentioned pretightning force device, comprise magnet base, permanent magnetism stone, sucker, regulatable magnetic force dish, regulatable magnetic force dish is toroidal, be fixed on the center of gas dome, on regulatable magnetic force dish, be provided with magnet base, magnet base is concentric with regulatable magnetic force dish, and is all toroidal, on magnet base, be provided with multiple uniform permanent magnetism stone, the upper end of magnet base is provided with annular sucker.
Above-mentioned combination seal, by Y type composite graphite sealing gasket and O type composite fibre sealing gasket, form and form, Y type composite graphite sealing gasket is arranged on the outside of O type composite fibre sealing gasket, at valve gap and valve block touching position, be all provided with O type composite fibre sealing gasket, and the O type composite fibre sealing gasket on O type composite fibre sealing gasket and valve block on valve gap is and is crisscross arranged, Y type composite graphite sealing gasket is arranged on valve block, be provided with projection with the valve gap of Y type composite graphite sealing gasket opposite position on valve block, this projection and Y type composite graphite sealing gasket are in mating connection.
Above-mentioned back-fire relief guard, consists of high conduction heat transfer material.
The utility model solves the know-why that its technical problem adopts: this safety valve adopts magnetic force pretightning force technology, multiple uniform efficient permanent magnet stone is housed in magnet base, can make sucker and regulatable magnetic force dish mutually suck, and can be by changing the distance of regulatable magnetic force dish and interambulacrum, carry out the constant pressure of regulation safety valve, it is adjustable that detonation pressure power is opened in realization.Simultaneously in conjunction with reducing buffer spring group, the energy-absorbing spring that this groups of springs is grown by 300MM and the back-moving spring of low springiness coefficient combine, first half term can effectively guarantee venting of dust explosion efficiency, the second half effectively slows down the impulsive force of valve gap, and can be at the rear Rapid reset automatically of quick venting of dust explosion action, be active in one's movements reliable, the secondary detonation of effective anti-locking system.The valve gap of valve body is spherical arc shape, and the sealing surface of sphere arcuation can be good at valve block mutually closely sealed, guarantees sealing.The part that is simultaneously also connected with valve gap at valve base is provided with combination seal, forms stack sealing, has further guaranteed sealing property.Adopt 3 guide rods to be uniform setting, can make valve gap contraposition accurate, sealing is reliable.And guide rod adopts slip ring interconnection technique, the secondary spring on guide rod coordinates buffer spring group acting in conjunction on valve rod, makes valve gap operation more steady, resets more accurate.The gas dome simultaneously playing the guiding role can guarantee that the valve gap rate of automatically reseting reaches 100%, effectively prevents that air from pouring in down a chimney, and avoids secondary system detonation.During for prevent exploding, flame spatters the flare of scurrying out outward, cable and the personal security of protection Near Pipelines, and safety valve is provided with back-fire relief guard, and is equipped with automatic fire control fire extinguishing system.Wherein, back-fire relief net consists of high conduction heat transfer material, can ventilate, dispels the heat under nominal situation, while meeting fire, can seal at short notice mesh, forms back-fire relief thermal insulation layer, effectively stops the intensity of a fire alter and spread.Automatic fire control fire extinguishing system mainly consists of fire-fighting liquid tank, bubble chamber, micropump and fire protection pipeline, stores the foam liquid of fire extinguishing class in bubble chamber, under the extraction of micropump, can constantly to fire-fighting liquid tank, provide the supply of fire-fighting foams liquid.Pressure lever on fire-fighting liquid tank is fixed on the leader casing of safety valve, pressure lever can be along with the ascending motion of leader casing, promote the piston movement in fire-fighting liquid tank, thereby the fire-fighting foams liquid in fire-fighting liquid tank is released to the liquid outlet of fire-fighting liquid tank, the fire protection pipeline that connects liquid outlet is provided with multiple plumbing nozzles, fire-fighting foams liquid sprays to the flare of place, valve gap gap ejection by each plumbing nozzle, reach the effect of fire extinguishing.This fire-fighting liquid tank adopts law of connected vessels, and when micropump pumps to the quantity of fire-fighting liquid tank formulation by fire-fighting foams liquid, micropump stops automatically.The power supply mode of micropump adopts solar electric power supply system.On micropump, be connected with solar energy accumulate case, the circuit of solar energy accumulate case is connected with solar inverter, and the circuit of solar inverter is connected with the circuit of solar panel.The direct current of solar panel output is stored in solar energy accumulate case after solar inverter changes alternating current into, for micropump provides power, facilitates overcast and rainy simultaneously and continues to power for micropump.In safety valve, also adopt wireless remote control system, adopt remote monitoring terminal, by RS232 interface, be connected with GPRSDTU terminal, by GPRS network, be transferred to Surveillance center again, Surveillance center and computer, mobile phone are unified into network system, when there is safety valve running fault, energy and alarm, improve security performance, reduces property loss.
The utility model beneficial effect is: safety valve can reach while opening quick-fried predetermined value by the blast pressure in pipeline, automatically opens quick-fried and quick venting of dust explosion, opens detonation pressure power accurately adjustable, Rapid reset automatically after action, and operating efficiency is high, good seal performance; Adopt solar electric power supply system, automatic fire control fire extinguishing system and wireless remote control system, make this explosion relief valve reach intelligent, security performance is superior, energy-conserving and environment-protective.
Accompanying drawing explanation
It in figure, is a kind of intelligent pressure-relief explosion-proof security against fire valve internal structure schematic diagram;
In the drawings: 1. valve block, 2. heat abstractor, 3. guide rod assembly, 3-1. leader casing, 3-2. guide rod secondary spring, 3-3. guide rod, 3-4. guide rod dirt-proof boot, 4. back-fire relief guard, 5. wireless processor, 6. gas dome, 7. pretightning force device, 7-1. magnet base, 7-2. permanent magnetism stone, 7-3. sucker, 7-4. regulatable magnetic force dish, 8. fire protection pipeline, 9. plumbing nozzle, 10. fire-fighting liquid tank, 11. solar panels, 12 solar inverters, 13. solar energy accumulate casees, 14. micropumps, 15. bubble chambers, 16. pressure levers, 17. buffer spring groups, 18. valve rods, 19. pipeline flanges, 20. valve gaps, 21. temperature sensors, 22. combination seals.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model to be further described below:
In the drawings, valve block 1 is a circle shape, its periphery is provided with multiple and the hole of pipeline flange 19 screw being connected that matches, at valve block 1 outer wall, within one week, be provided with heat abstractor 2, the upper end of valve block 1 is provided with a gas dome 6, gas dome 6 matches with the excircle of valve base 1, on gas dome 6 and valve block 1, be provided with 3 uniform guide rod holes that match, , between guide rod hole, be 120 ° of triangles, between gas dome 6 and valve block 1, be provided with 3 guide rod 3-3, the upper and lower side of guide rod 3-3 is the guide rod hole with valve base 1 through gas dome 6, by nut, be fixedly connected with as a whole, in the center of gas dome 6, be provided with pretightning force device 7, pretightning force device 7 centers are provided with a valve rod 18, valve rod 18 tops are fixed on the sucker of pretightning force device 7, below pretightning force device 7, be provided with by the superpose buffer spring group 17 of sheathed combination of 3 Different diameter springs, buffer spring group 17 is set in the skin of valve rod 18, the bottom of valve rod 18 is fixed on the center of valve gap 20, valve gap 20 is spherical arc shape, the cambered surface part of valve gap 20 covers on valve block 1 completely, and the part that is connected with valve gap 20 at valve base 1 is provided with combination seal 22, in the upper end of whole valve body, be provided with " U " type back-fire relief guard 4, these back-fire relief guard 4 tops are provided with a through hole, back-fire relief guard 4 is tipped upside down on valve body, end face at back-fire relief guard 4 is also provided with wireless processor 5, and wireless processor 5 is connected with the temperature sensor 21 that is arranged on leader casing 3-1 inner side, the outside of valve body is provided with fire-fighting liquid tank 10, fire-fighting liquid tank 10 is concertina type piston structure, inside is provided with piston, piston lower end is connected with pressure push-rod 16, the outer end of pressure push-rod 16 is fixed on leader casing 3-1, on the top of fire-fighting liquid tank 10, be provided with inlet and liquid outlet, the fire protection pipeline 8 that liquid outlet connects is fixed on gas dome 6 one week above through back-fire relief guard 4, and fire protection pipeline 8 is provided with multiple plumbing nozzles 9, on the fire protection pipeline connecting at fire-fighting liquid tank 10 inlets, be connected with a bubble chamber 15, in bubble chamber 15, be provided with fire-fighting foams liquid, bubble chamber 15 is provided with a micropump 14, the circuit of micropump 14 is connected with solar energy accumulate case 13, the circuit of solar energy accumulate case 13 is connected with solar inverter 12, the circuit of solar inverter 12 is connected with the circuit of solar panel 11.
Above-mentioned pretightning force device 7, comprise magnet base 7-1, permanent magnetism stone 7-2, sucker 7-3, regulatable magnetic force dish 7-4, regulatable magnetic force dish 7-4 is toroidal, be fixed on the center of gas dome 6, on regulatable magnetic force dish 7-4, be provided with magnet base 7-1, magnet base 7-1 is concentric with regulatable magnetic force dish 7-4, and is all toroidal, on magnet base 7-1, be provided with multiple uniform permanent magnetism stone 7-2, the upper end of magnet base 7-1 is provided with annular sucker 7-3.
Above-mentioned combination seal 22, by Y type composite graphite sealing gasket and O type composite fibre sealing gasket, form and form, Y type composite graphite sealing gasket is arranged on the outside of O type composite fibre sealing gasket, at valve gap 20 and valve block 1 touching position, be all provided with O type composite fibre sealing gasket, and the O type composite fibre sealing gasket on O type composite fibre sealing gasket and valve block 1 on valve gap 20 is and is crisscross arranged, Y type composite graphite sealing gasket is arranged on valve block 1, be provided with projection with the valve gap 20 of Y type composite graphite sealing gasket opposite position on valve block 1, this projection and Y type composite graphite sealing gasket are in mating connection.
Above-mentioned guide rod assembly 3, comprise leader casing 3-1, guide rod secondary spring 3-2, guide rod 3-3, guide rod protective jacket 3-4, in leader casing 3-1, be provided with guide rod 3-3, guide rod secondary spring 3-2 is set on guide rod 3-3, in the outside of guide rod secondary spring 3-2, be arranged with guide rod protective jacket 3-4, guide rod protective jacket 3-4 is comprised of upper and lower two sleeve pipes, the upper end of upper sleeve pipe is fixed on the triangular support bracket of gas dome 6, it is upper that cased lower end is fixed on leader casing 3-1, and setting of casing is slidably fitted in the endoporus of sleeve pipe.
Above-mentioned back-fire relief guard 4, consists of high conduction heat transfer material.
Safety valve is in working order time, and when the blast pressure in pipeline reaches while opening quick-fried predetermined value, in pipe-line equipment, explosion hazard gases moment produces huge impulsive force valve gap 20 is opened, and valve gap 20 is along moving on three guide rods.When the impulsive force being subject to when valve gap 20 is greater than the constant pressure that pretightning force device 7 sets, the regulatable magnetic force dish 7-4 on valve rod 18 tops and sucker 7-3 throw off, magnetic force on pretightning force device 7 is ineffective, when valve gap 20 rises rapidly, guide rod secondary spring 3-2 on the buffer spring group 17 of pretightning force device 7 lower ends and three guide rod 3-3 is compressed, absorbed the impulsive force of explosion gas, the blast pressure in pipeline releases from valve block 1 and the opening of valve gap 20.When valve gap 20 does ascending motion, be fixedly mounted on the upper pressure lever 16 of leader casing 3-1 and do ascending motion thereupon, promote the piston movement in fire-fighting liquid tank 10, thereby the fire-fighting foams liquid in fire-fighting liquid tank 10 is released to the liquid outlet of fire-fighting liquid tank 10, the fire protection pipeline 8 that connects liquid outlet is provided with multiple plumbing nozzles 9, fire-fighting foams liquid sprays to the flare of valve gap 20 places, gap ejection by each plumbing nozzle 9, reach the effect of fire extinguishing.When the fire-fighting foams liquid in fire-fighting liquid tank 10 reduces, micropump 14 brings into operation, and fire-fighting foams liquid is pumped in fire-fighting liquid tank 10, and when the fire-fighting foams liquid of fire-fighting liquid tank 10 reaches the quantity of formulation, micropump 14 stops automatically.Pressure after pressure release in equipment is lower than the moment of opening detonation pressure power, under the bounce of the valve gap 20 guide rod secondary spring 3-2 of meeting on buffer spring group 17 and three guide rod 3-3, valve gap 20 is returned to rapidly to origin-location, and by the magnetic attraction between regulatable magnetic force dish 7-4 and sucker 7-3, O shape group sealing on valve gap 20 sphericals is pressed in the seal groove above flange seat valve gap 20 is closed tightly, and restorer normally moves.Under equipment normal operation state, magnetic attraction (for the operating pressure of setting) between magnetic attraction between regulatable magnetic force dish 7-4 and sucker 7-3, and the elastic force of binding buffer groups of springs 17, by valve rod 18, be delivered on valve gap 20, rely on combination seal 22 and the compound combination of the seal groove above flange seat on valve gap 20 sphericals, valve gap 20 is closed tightly, and maintenance equipment normally moves.In safety valve, adopt wireless remote control system, adopt remote monitoring terminal, by RS232 interface, be connected with GPRSDTU terminal, by GPRS network, be transferred to Surveillance center again, Surveillance center and computer, mobile phone are unified into network system, when there is safety valve running fault, energy and alarm, improve security performance, reduces property loss.
Safety valve can reach while opening quick-fried predetermined value by the blast pressure in pipeline, automatically open quick-fried and quick venting of dust explosion, open detonation pressure power accurately adjustable, automatically Rapid reset after action, operating efficiency is high, good seal performance, adopts solar electric power supply system, automatic fire control fire extinguishing system and wireless remote control system, makes this explosion relief valve reach intelligent, security performance is superior, energy-conserving and environment-protective.
Claims (5)
1. an intelligent fire-fighting pressure-relief explosion-proof safety valve, contain valve block, heat abstractor, guide rod assembly, back-fire relief guard, wireless processor, gas dome, pretightning force device, fire protection pipeline, plumbing nozzle, fire-fighting liquid tank, solar panel, solar inverter, solar energy accumulate case, micropump, bubble chamber, pressure lever, buffer spring group, valve rod, pipeline flange, valve gap, temperature sensor, combination seal, it is characterized in that: valve block is a circle shape, its periphery is provided with multiple and the hole of the pipeline flange screw being connected that matches, at valve block outer wall, within one week, be provided with heat abstractor, the upper end of valve block is provided with a gas dome, the excircle of gas dome and valve base matches, on gas dome and valve block, be provided with 3 uniform guide rod holes that match, between guide rod hole, be 120 ° of triangles, between gas dome and valve block, be provided with 3 guide rods, the upper and lower side of guide rod is through the guide rod hole of gas dome and valve base, by nut, be fixedly connected with as a whole, in the center of gas dome, be provided with pretightning force device, pretightning force device center is provided with a valve rod, valve rod top is fixed on the sucker of pretightning force device, below pretightning force device, be provided with by the superpose buffer spring group of sheathed combination of 3 Different diameter springs, buffer spring group is set in the skin of valve rod, the bottom of valve rod is fixed on the center of valve gap, valve gap is spherical arc shape, the cambered surface part of valve gap covers on valve block completely, and the part that is connected with valve gap at valve base is provided with combination seal, in the upper end of whole valve body, be provided with " U " type back-fire relief guard, this back-fire relief guard top is provided with a through hole, back-fire relief guard is tipped upside down on valve body, at the end face of back-fire relief guard, is also provided with wireless processor, and wireless processor is connected with the temperature sensor that is arranged on leader casing inner side, the outside of valve body is provided with fire-fighting liquid tank, fire-fighting liquid tank is concertina type piston structure, inside is provided with piston, piston lower end is connected with pressure push-rod, the outer end of pressure push-rod is fixed on leader casing, on the top of fire-fighting liquid tank, be provided with inlet and liquid outlet, the fire protection pipeline that liquid outlet connects is fixed on above gas dome one week through back-fire relief guard, and fire protection pipeline is provided with multiple plumbing nozzles, on the fire protection pipeline connecting at fire-fighting liquid tank inlet, be connected with a bubble chamber, in bubble chamber, be provided with fire-fighting foams liquid, bubble chamber is provided with a micropump, the circuit of micropump is connected with solar energy accumulate case, the circuit of solar energy accumulate case is connected with solar inverter, the circuit of solar inverter is connected with the circuit of solar panel.
2. the intelligent fire-fighting pressure-relief explosion-proof of one according to claim 1 safety valve, it is characterized in that: described guide rod assembly, comprise leader casing, guide rod secondary spring, guide rod, guide rod protective jacket, in leader casing, be provided with guide rod, guide rod secondary spring is set on guide rod, in the outside of guide rod secondary spring, be arranged with guide rod protective jacket, guide rod protective jacket is comprised of upper and lower two sleeve pipes, the upper end of upper sleeve pipe is fixed on the triangular support bracket of gas dome, cased lower end is fixed on leader casing, and setting of casing is slidably fitted in the endoporus of sleeve pipe.
3. the intelligent fire-fighting pressure-relief explosion-proof of one according to claim 1 safety valve, it is characterized in that: described pretightning force device, comprise magnet base, permanent magnetism stone, sucker, regulatable magnetic force dish, regulatable magnetic force dish is toroidal, is fixed on the center of gas dome, on regulatable magnetic force dish, is provided with magnet base, magnet base is concentric with regulatable magnetic force dish, and be all toroidal, be provided with multiple uniform permanent magnetism stone on magnet base, the upper end of magnet base is provided with annular sucker.
4. the intelligent fire-fighting pressure-relief explosion-proof of one according to claim 1 safety valve, it is characterized in that: described combination seal, by Y type composite graphite sealing gasket and O type composite fibre sealing gasket, form and form, Y type composite graphite sealing gasket is arranged on the outside of O type composite fibre sealing gasket, at valve gap and valve block touching position, be all provided with O type composite fibre sealing gasket, and the O type composite fibre sealing gasket on O type composite fibre sealing gasket and valve block on valve gap is and is crisscross arranged, Y type composite graphite sealing gasket is arranged on valve block, be provided with projection with the valve gap of Y type composite graphite sealing gasket opposite position on valve block, this projection and Y type composite graphite sealing gasket are in mating connection.
5. the intelligent fire-fighting pressure-relief explosion-proof of one according to claim 1 safety valve, is characterized in that: described back-fire relief guard consists of high conduction heat transfer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320752091.5U CN203577210U (en) | 2013-11-17 | 2013-11-17 | Intelligent fire-fighting and pressure-release explosion-proof safety valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320752091.5U CN203577210U (en) | 2013-11-17 | 2013-11-17 | Intelligent fire-fighting and pressure-release explosion-proof safety valve |
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| CN203577210U true CN203577210U (en) | 2014-05-07 |
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| CN201320752091.5U Expired - Fee Related CN203577210U (en) | 2013-11-17 | 2013-11-17 | Intelligent fire-fighting and pressure-release explosion-proof safety valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645535A (en) * | 2013-11-17 | 2015-05-27 | 盐城市瑞恒电力石化设备制造有限公司 | Intelligent fire-fighting pressure-release explosion relief valve |
| CN105896337A (en) * | 2015-01-14 | 2016-08-24 | 大庆宏富来电气设备制造有限公司 | Explosion-proof power distribution box |
-
2013
- 2013-11-17 CN CN201320752091.5U patent/CN203577210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645535A (en) * | 2013-11-17 | 2015-05-27 | 盐城市瑞恒电力石化设备制造有限公司 | Intelligent fire-fighting pressure-release explosion relief valve |
| CN105896337A (en) * | 2015-01-14 | 2016-08-24 | 大庆宏富来电气设备制造有限公司 | Explosion-proof power distribution box |
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