CN103983445A - Fireproof test device of high-speed ventilation valve - Google Patents
Fireproof test device of high-speed ventilation valve Download PDFInfo
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- CN103983445A CN103983445A CN201410217462.9A CN201410217462A CN103983445A CN 103983445 A CN103983445 A CN 103983445A CN 201410217462 A CN201410217462 A CN 201410217462A CN 103983445 A CN103983445 A CN 103983445A
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Abstract
The invention discloses a fireproof test device capable of being used for fire retardance performance tests and high-speed vent backdraft tests of a high-speed valve. The fireproof test device comprises a gas supply device for providing propane mixed gases and a simulation bin connected with the gas supply device, wherein the simulation bin is provided with an explosion membrane and is provided with a sealed anti-explosion box on the outside of the explosion membrane, the simulation bin is provided with a gas outlet, a flame detector is arranged at the gas outlet in the simulation bin, a hollow installation base used for fixing the valve to be tested is arranged at the gas outlet of the simulation bin, the other end of the installation base is provided with a sealed ignition bin in a covering mode, and a spark generator is arranged in the ignition bin.
Description
Technical field
The present invention relates to a kind of anti-fire test device of high-speed ventilation valve.
Background technology
High-speed ventilation valve claims again high speed blowdown presssure vacuum valve, many on the oil cargo tank of ship as discharge, the gas permeable devices of automatic pressure control size.Its function can make a large amount of boil-off gas mixed gass discharge oil cargo tank in loading of oil cargo process.After the high speed floss hole for pressure release is opened, the exhaust velocity in exit is all greater than 30m/s under any flow; In uninstall process, vacuum suction inlet can make a large amount of air intake oil cargo tanks, with balance cargo tank pressure; In the process of driving away oil gas, can make oil gas go out oil cargo tank through Valved discharge.In normal navigation, due to temperature variation, can make a small amount of oil gas automatically discharge oil cargo tank or make a small amount of air enter oil cargo tank.In the time there is the condition of a fire on oil carrier deck, high-speed ventilation valve can stop extraneous flare to enter shielded cabin.Therefore, high-speed ventilation valve is the gas permeable devices of oil carrier, chemical tanker indispensability.
High-speed ventilation valve needs to carry out Fire resistances test, high speed floss hole strile-back performance test, three tests of high speed floss hole fire performance test before dispatching from the factory, qualified just can come into operation afterwards.
Fire resistances test is that valve to be checked is connected with the simulation storehouse that is full of inflammable gas, high speed floss hole is in closed condition, the vacuum suction inlet of valve to be checked should be in open mode, the inflammable gas of lighting valve to be checked outside produces blast, and it is qualified that the gas that explosive flame can not ignite in simulation storehouse is considered as.
The high speed floss hole performance test of strile-bacing is that valve to be checked is connected with the simulation storehouse that is full of inflammable gas, then to the inflammable gas supercharging in simulation storehouse, its high speed floss hole by valve to be checked is opened, inflammable gas in simulation storehouse is discharged at a high speed from high speed floss hole, simultaneously pilot flame is lighted the inflammable gas of discharge at a high speed, is then slowly decompressed to that high speed floss hole is closed, fray-out of flame.If blast is not ignited and simulated the gas in storehouse in this process, be considered as occurring without backdraft phenomenon.
The test of high speed floss hole fire performance is that valve to be checked is connected with the simulation storehouse that is full of inflammable gas, and make to simulate gas in storehouse and keep below the opening pressure of 90% valve, then with pilot flame, valve to be checked is burnt, until valve high speed floss hole to be checked is heated to accessible maximum temperature (in the time exceeding in the 10min time that temperature rise rate is no more than 0.5 DEG C with next side, can think to have reached and range up to the temperature reaching), and keep 10min, then being depressurized to gradually high speed floss hole closes, if in this process, simulate gas in storehouse can not be detonated be considered as qualified.
Summary of the invention
Technical matters to be solved by this invention is: providing a kind of can carry out the strile-back anti-fire test device of performance test of Fire resistances test, high speed floss hole to fast valve.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of anti-fire test device of high-speed ventilation valve, comprise the feeder that propane mixed gas is provided, the simulation storehouse being connected with feeder, simulation storehouse is provided with explosion diaphragm, simulation is established Packed explosion-proof tank in the outside of explosion diaphragm on storehouse, simulation storehouse is provided with gas vent, the inherent gas outlet in simulation storehouse is provided with flame detector, on simulation storehouse, be provided with the mount pad for fixing valve to be checked of hollow at gas outlet, on simulation storehouse, be provided with the mount pad for fixing valve to be checked of hollow at gas outlet, the other end of mount pad is covered with the igniting storehouse of sealing, igniting is provided with spark generator in storehouse.
As the preferred scheme of one, described igniting is covered with plastics collecting bag outside storehouse.
Another technical matters to be solved by this invention is: a kind of anti-fire test device that can carry out to fast valve the test of high speed floss hole fire performance is provided.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of anti-fire test device of high-speed ventilation valve, comprise the feeder that propane mixed gas is provided, the simulation storehouse being connected with feeder, simulation storehouse is provided with explosion diaphragm, simulation is established Packed explosion-proof tank in the outside of explosion diaphragm on storehouse, simulation storehouse is provided with gas vent, the inherent gas outlet in simulation storehouse is provided with flame detector, on simulation storehouse gas outlet be provided with hollow for vertically or the mount pad of the fixing valve to be checked that tilts, also comprise the ablation device for burning valve to be checked.
As the preferred scheme of one, described feeder comprises propane gas tank and compressed air supply system, propane gas tank and compressed air supply system are provided with flow by two respectively and take into account the pipeline of by-pass valve control and be connected on the first gas mixer, and the first gas mixer other end is connected with simulation storehouse by the combination gas pipeline that is provided with the first spark arrester and by-pass valve control.
As the preferred scheme of one, described the first gas mixer comprises tee pipe coupling, the intermediate head of tee pipe coupling is provided with sealing piece, in sealing piece, is equipped with L shaped propane draft tube, and the outlet section of propane draft tube is parallel with the gas vent section of tee pipe coupling.
As the preferred scheme of one, on the combination gas pipeline at simulation enterprising gas port place, storehouse, be also provided with the second fluidized bed mixer.
As the preferred scheme of one, described the second gas mixer comprises the inducer, interlude, the outlet section that link together, in interlude, be provided with cone shape through hole, in through hole, be provided with outer mixer, outer mixer outer wall is provided with some spiral fashion drainage pieces, in outer mixer, be provided with taper through hole, be equipped with interior mixer in taper through hole, interior mixer outer wall is provided with some spiral fashion drainage pieces.
As the preferred scheme of one, on described combination gas pipeline, be also parallel with a mixed gas storage tank by pipeline, on described combination gas pipeline, be also provided with the second spark arrester in simulation storehouse inflow point.
As the preferred scheme of one, described mixed gas storage tank is provided with gas concentration measuring apparatus.
The invention has the beneficial effects as follows: in the anti-fire test device of two kinds of high-speed ventilation valves described in the application, on simulation storehouse, establish Packed explosion-proof tank in the outside of explosion diaphragm, make to simulate while blasting in storehouse if valve to be checked is defective, explosion-proof tank can prevent that inflammable gas from leaking, and can prevent that propagation of flame is outside test unit; And the inherent gas outlet in simulation storehouse is provided with flame detector, and as valve generation backdraft phenomenon to be checked, in test unit gas-holder, inflammable gas is blasted, flame detector sends signal, controls quick-closing valve and closes valve, the passage of cutting flame and source of the gas; Two kinds of test units are very safe and convenient in use, and the basic element of character registration of two kinds of test units is high, reduced fund and the place of test unit entirety and dropped into.
Owing to being covered with plastics collecting bag outside igniting storehouse, while there is Leakage Gas in igniting storehouse, can prevent that inflammable gas from going in leaking into air.
Take into account the pipeline of by-pass valve control and be connected on the first gas mixer because propane gas tank and compressed air supply system are provided with flow by two respectively, the amount that can control well propane and air makes mixed gas reach the number percent of setting, and owing to being provided with the first gas mixer, make two kinds of gases can be good at mixing.
On the combination gas pipeline at simulation enterprising gas port place, storehouse, be also provided with the second fluidized bed mixer, so that air-flow mixing is more abundant.
Owing to being also parallel with a mixed gas storage tank by pipeline on combination gas pipeline, on described combination gas pipeline, be also provided with the second spark arrester in simulation storehouse inflow point, further guarantee the safe handling of package unit.
Because mixed gas storage tank is provided with gas concentration measuring apparatus, if exceeding standard, gas concentration can make staff immediately take the precautionary measures.
Because the first gas mixer comprises tee pipe coupling, the intermediate head of tee pipe coupling is provided with sealing piece, in sealing piece, be equipped with L shaped propane draft tube, the outlet section of propane draft tube is parallel with the gas vent section of tee pipe coupling, gas vent Duan Houyu air that propane gas enters tee pipe coupling is mixed to locating at same stream, not only mix, and gas shock is little.
Because the second gas mixer comprises outer mixer, outer mixer outer wall is provided with some spiral fashion drainage pieces, in outer mixer, be provided with taper through hole, in taper through hole, be equipped with interior mixer, interior mixer outer wall is provided with some spiral fashion drainage pieces, this makes different gas form the air-flow of mutual collision by rotation direction and inclination angle, makes it abundant mixing.
Brief description of the drawings
Fig. 1 of the present inventionly can carry out the strile-back main TV structure schematic diagram of anti-fire test device of performance test of Fire resistances test, high speed floss hole to fast valve.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the main TV structure schematic diagram that can carry out to fast valve the anti-fire test device of high speed floss hole fire performance test of the present invention.
Fig. 4 is the plan structure schematic diagram of Fig. 3.
Fig. 5 is the structural representation of the first gas mixer.
Fig. 6 is the structural representation of the second gas mixer.
In Fig. 1 to Fig. 6: 1. simulation storehouse, 101. explosion diaphragms, 2. explosion-proof tank, 3. flame detector, 4. mount pad, 5. igniting storehouse, 6. plastics collecting bag, 7. spark generator, 8. propane gas tank, 9. compressed air supply system, 10. flowmeter, 11. by-pass valve controls, 12. first gas mixers, 121. tee pipe coupling, 122. sealing pieces, 123. propane draft tube, 13. first spark arresters, 14. by-pass valve controls, 15. combination gas pipelines, 16. mixed gas storage tanks, 17. gas concentration measuring apparatus, 18. second spark arresters, 19. second fluidized bed mixers, 191. inducer, 192. interlude, 193. outlet section, 194. outer mixers, 195. drainage piece, 196. interior mixers, 197. drainage piece, 20. mount pads, 21. ablation devices.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiment of the invention scheme in detail.
As Fig. 1, 2, 5, shown in 6, one can be carried out Fire resistances test to fast valve, the strile-back anti-fire test device of performance test of high speed floss hole, comprise the feeder that propane mixed gas is provided, the simulation storehouse 1 being connected with feeder, simulation storehouse 1 is provided with explosion diaphragm 101, simulation is established Packed explosion-proof tank 2 on storehouse 1 in the outside of explosion diaphragm 101, simulation storehouse 1 is provided with gas vent, the inherent gas outlet in simulation storehouse 1 is provided with flame detector 3, on simulation storehouse 1, be provided with the mount pad 4 for fixing valve to be checked of hollow at gas outlet, the other end of mount pad 4 is covered with the igniting storehouse 5 of sealing, the outer plastics collecting bag 6 that is covered with in igniting storehouse 5, igniting is provided with spark generator 7 in storehouse 5.
Described feeder comprises propane gas tank 8 and compressed air supply system 9, propane gas tank 8 and compressed air supply system 9 are connected on the first gas mixer 12 by two pipelines that are provided with flowmeter 10 and by-pass valve control 11 respectively, and first gas mixer 12 other ends are connected with simulation storehouse 1 by the combination gas pipeline 15 that is provided with the first spark arrester 13 and by-pass valve control 14.The first gas mixer 12 comprises tee pipe coupling 121, the intermediate head of tee pipe coupling 121 is provided with sealing piece 122, in sealing piece 122, be equipped with L shaped propane draft tube 123, the outlet section of propane draft tube 123 is parallel with the gas vent section of tee pipe coupling 121.On combination gas pipeline, be also parallel with a mixed gas storage tank 16 by pipeline, mixed gas storage tank 16 is provided with gas concentration measuring apparatus 17.On combination gas pipeline 15, be also provided with the second spark arrester 18 in simulation storehouse 1 inflow point.
On the combination gas pipeline 15 at simulation enterprising gas port place, storehouse 1, be also provided with the second fluidized bed mixer 19.The second gas mixer comprises the inducer 191, interlude 192, the outlet section 193 that link together, in interlude 192, be provided with cone shape through hole, in through hole, be provided with outer mixer 194, outer mixer 194 outer walls are provided with some spiral fashion drainage pieces 195, in outer mixer 194, be provided with taper through hole, in taper through hole, be equipped with interior mixer 196, interior mixer 196 outer walls are provided with some spiral fashion drainage pieces 197.
For the Fire resistances of test high-speed ventilation valve, after valve to be checked being installed on the mount pad 4 of test unit, make high speed floss hole in closed condition, and make the vacuum suction inlet of valve to be checked in open mode, the inflammable mixture of gas that pressurized air and propane flammable gas are mixed into injects simulation storehouse 1, then be introduced in the igniting storehouse 5 that valve to be checked is housed, with lighter, the combination gas in igniting storehouse 5 is lighted and blasted again, if the explosion diaphragm 101 on test unit simulation storehouse 1 is not by explosion, illustrate that valve to be checked is without backdraft phenomenon, it is qualified to detect.
For the test high speed floss hole performance of strile-bacing, after valve to be checked being installed on the mount pad 4 of test unit, simulation is full of to the inflammable gas that pressurized air and propane flammable gas are mixed in storehouse 1, then to the inflammable gas supercharging in simulation storehouse 1, its high speed floss hole by valve to be checked is opened, and the inflammable gas that gives off at a high speed valve to be checked is lighted, be then slowly decompressed to that high speed floss hole is closed, fray-out of flame.If explosive flame can not ignite and simulate the gas in storehouse 1 in this process, be considered as occurring without backdraft phenomenon, it is qualified to detect.
As shown in Fig. 3-6, a kind of anti-fire test device that can carry out to fast valve the test of high speed floss hole fire performance, comprise the feeder that propane mixed gas is provided, the simulation storehouse 1 being connected with feeder, simulation storehouse 1 is provided with explosion diaphragm 101, simulation is established Packed explosion-proof tank 2 on storehouse 1 in the outside of explosion diaphragm 101, simulation storehouse 1 is provided with gas vent, the inherent gas outlet in simulation storehouse 1 is provided with flame detector 3, on simulation storehouse 1 gas outlet be provided with hollow for vertically or the mount pad 20 of the fixing valve to be checked that tilts, also comprise the ablation device 21 for burning valve to be checked.
Described feeder comprises propane gas tank 8 and compressed air supply system 9, propane gas tank 8 and compressed air supply system 9 are connected on the first gas mixer 12 by two pipelines that are provided with flowmeter 10 and by-pass valve control 11 respectively, and first gas mixer 12 other ends are connected with simulation storehouse 1 by the combination gas pipeline 15 that is provided with the first spark arrester 13 and by-pass valve control 14.The first gas mixer 12 comprises tee pipe coupling 121, the intermediate head of tee pipe coupling 121 is provided with sealing piece 122, in sealing piece 122, be equipped with L shaped propane draft tube 123, the outlet section 193 of propane draft tube 123 is parallel with the gas vent section 193 of tee pipe coupling 121.On combination gas pipeline, be also parallel with a mixed gas storage tank 16 by pipeline, mixed gas storage tank 16 is provided with gas concentration measuring apparatus 17.On combination gas pipeline 15, be also provided with the second spark arrester 18 in simulation storehouse 1 inflow point.
On the combination gas pipeline 15 at simulation enterprising gas port place, storehouse 1, be also provided with the second fluidized bed mixer 19.The second gas mixer comprises the inducer 191, interlude 192, the outlet section 193 that link together, in interlude 192, be provided with cone shape through hole, in through hole, be provided with outer mixer 194, outer mixer 194 outer walls are provided with some spiral fashion drainage pieces 195, in outer mixer 194, be provided with taper through hole, in taper through hole, be equipped with interior mixer 196, interior mixer 196 outer walls are provided with some spiral fashion drainage pieces 195.
The test of high speed floss hole fire performance is that valve to be checked is connected with the simulation storehouse 1 that is full of inflammable gas, and make to simulate gas in storehouse 1 and keep below the opening pressure of 90% valve, then pilot flame burns valve to be checked, until valve high speed floss hole to be checked is heated to accessible maximum temperature (in the time exceeding in the 10min time that temperature rise rate is no more than 0.5 DEG C with next side, can think to have reached and range up to the temperature reaching), and keep 10min, then being depressurized to gradually high speed floss hole closes, allowing during this time valve to be checked to have a small amount of combination gas of easily lighting to overflow is lighted, if in whole process, simulate gas in storehouse 1 can not be detonated be considered as qualified.
In above-mentioned three tests, if valve to be checked has after-burning to occur, the explosion diaphragm 101 on test unit simulation storehouse 1 can explosions, and operating personnel can hear cracker, and can see that flame emerges from the explosion diaphragm 101 on test unit simulation storehouse 1.
Test unit simulation is equipped with flame detector 3 in storehouse 1, as valve generation backdraft phenomenon to be checked, when the interior inflammable gas in test unit simulation storehouse 1 is blasted, flame detector 3 sends signal, by-pass valve control 14 closes the passage of valve, cutting flame and source of the gas, to guarantee the safety of test unit.
The above embodiments are principle and effect thereof of illustrative the invention only, and the embodiment of part utilization, but not for limiting the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. the anti-fire test device of a high-speed ventilation valve, it is characterized in that: comprise the simulation storehouse that the feeder of propane mixed gas is provided, is connected with feeder, simulation storehouse is provided with explosion diaphragm, simulation is established Packed explosion-proof tank in the outside of explosion diaphragm on storehouse, simulation storehouse is provided with gas vent, the inherent gas outlet in simulation storehouse is provided with flame detector, on simulation storehouse, be provided with the mount pad for fixing valve to be checked of hollow at gas outlet, the other end of mount pad is covered with the igniting storehouse of sealing, and igniting is provided with spark generator in storehouse.
2. the anti-fire test device of a kind of high-speed ventilation valve as claimed in claim 1, is characterized in that: described igniting is covered with plastics collecting bag outside storehouse.
3. the anti-fire test device of a high-speed ventilation valve, it is characterized in that: comprise the simulation storehouse that the feeder of propane mixed gas is provided, is connected with feeder, simulation storehouse is provided with explosion diaphragm, simulation is established Packed explosion-proof tank in the outside of explosion diaphragm on storehouse, simulation storehouse is provided with gas vent, the inherent gas outlet in simulation storehouse is provided with flame detector, on simulation storehouse gas outlet be provided with hollow for vertically or the mount pad of the fixing valve to be checked that tilts, also comprise the ablation device for burning valve to be checked.
4. the anti-fire test device of a kind of high-speed ventilation valve as described in any one in claim 1-3, it is characterized in that: described feeder comprises propane gas tank and compressed air supply system, propane gas tank and compressed air supply system are provided with flow by two respectively and take into account the pipeline of by-pass valve control and be connected on the first gas mixer, and the first gas mixer other end is connected with simulation storehouse by the combination gas pipeline that is provided with the first spark arrester and by-pass valve control.
5. the anti-fire test device of a kind of high-speed ventilation valve as claimed in claim 4, it is characterized in that: described the first gas mixer comprises tee pipe coupling, the intermediate head of tee pipe coupling is provided with sealing piece, in sealing piece, be equipped with L shaped propane draft tube, the outlet section of propane draft tube is parallel with the gas vent section of tee pipe coupling.
6. the anti-fire test device of a kind of high-speed ventilation valve as described in any one in claim 1-3, is characterized in that: on the combination gas pipeline at simulation enterprising gas port place, storehouse, be also provided with the second fluidized bed mixer.
7. the anti-fire test device of a kind of high-speed ventilation valve as claimed in claim 6, it is characterized in that: described the second gas mixer comprises the inducer, interlude, the outlet section that link together, in interlude, be provided with cone shape through hole, in through hole, be provided with outer mixer, outer mixer outer wall is provided with some spiral fashion drainage pieces, in outer mixer, be provided with taper through hole, be equipped with interior mixer in taper through hole, interior mixer outer wall is provided with some spiral fashion drainage pieces.
8. the anti-fire test device of a kind of high-speed ventilation valve as described in any one in claim 1-3, it is characterized in that: on described combination gas pipeline, be also parallel with a mixed gas storage tank by pipeline, on described combination gas pipeline, be also provided with the second spark arrester in simulation storehouse inflow point.
9. the anti-fire test device of a kind of high-speed ventilation valve as claimed in claim 8, is characterized in that: described mixed gas storage tank is provided with gas concentration measuring apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410217462.9A CN103983445B (en) | 2014-05-21 | 2014-05-21 | A kind of Fire Test device of high-speed ventilation valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410217462.9A CN103983445B (en) | 2014-05-21 | 2014-05-21 | A kind of Fire Test device of high-speed ventilation valve |
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| CN103983445A true CN103983445A (en) | 2014-08-13 |
| CN103983445B CN103983445B (en) | 2016-06-22 |
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| CN201410217462.9A Active CN103983445B (en) | 2014-05-21 | 2014-05-21 | A kind of Fire Test device of high-speed ventilation valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910715A (en) * | 2016-05-24 | 2016-08-31 | 上海莱帝科技有限公司 | Flame detector performance testing device through open fire detection |
| CN106248363A (en) * | 2016-08-26 | 2016-12-21 | 江苏远望仪器有限公司 | Pipeline spark arrester detection device |
| CN117367784A (en) * | 2023-12-08 | 2024-01-09 | 湖南大用环保科技有限公司 | Multi-item valve performance comprehensive test system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910715A (en) * | 2016-05-24 | 2016-08-31 | 上海莱帝科技有限公司 | Flame detector performance testing device through open fire detection |
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| CN117367784B (en) * | 2023-12-08 | 2024-03-01 | 湖南大用环保科技有限公司 | Multi-item valve performance comprehensive test system |
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| CN103983445B (en) | 2016-06-22 |
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