CN203849018U - High-speed ventilation valve fire protection test device - Google Patents
High-speed ventilation valve fire protection test device Download PDFInfo
- Publication number
- CN203849018U CN203849018U CN201420261797.6U CN201420261797U CN203849018U CN 203849018 U CN203849018 U CN 203849018U CN 201420261797 U CN201420261797 U CN 201420261797U CN 203849018 U CN203849018 U CN 203849018U
- Authority
- CN
- China
- Prior art keywords
- gas
- storehouse
- simulation
- mixer
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a high-speed ventilation valve fire protection test device comprises a gas supply device for providing a propane gas mixture, and a simulation chamber connected with the gas supply device. The simulation chamber is provided with a blasting diaphragm. The simulation chamber is provided with a sealed explosion-proof box on the outer side of the blasting diaphragm. The simulation chamber is provided with a gas outlet. The simulation chamber is provided with a flame detector at the gas outlet. The simulation chamber is provided with a hollow installation seat for fixing a valve to be tested at the gas outlet. The other end of the installation seat is covered with a sealed ignition chamber. A spark generator is arranged in the ignition chamber.
Description
Technical field
The utility model 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.While 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 the opening pressure that gas in storehouse keeps below 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 (when temperature rise rate is no more than 0.5 ° of C in the time over 10min 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.
Utility model content
Technical problem to be solved in the utility model 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 scheme that the utility model adopts 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, at gas outlet, be provided with the mount pad for fixing valve to be checked of hollow, on simulation storehouse, at gas outlet, be provided with the mount pad for fixing valve to be checked of hollow, the other end of mount pad is covered with the igniting storehouse of sealing, igniting is provided with spark generator in storehouse.
As a kind of preferred scheme, described igniting is covered with plastics collecting bag outside storehouse.
Another technical matters to be solved in the utility model is: provide a kind of and can carry out to fast valve the anti-fire test device of high speed floss hole fire performance test.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts 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 for burning the ablation device of valve to be checked.
As a kind of preferred scheme, 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 being provided with the combination gas pipeline of the first spark arrester and by-pass valve control.
As a kind of preferred scheme, 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 a kind of preferred scheme, on the combination gas pipeline at simulation enterprising gas port place, storehouse, be also provided with the second fluidized bed mixer.
As a kind of preferred scheme, described the second gas mixer comprises inducer, interlude, the outlet section linking 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 a kind of preferred scheme, on described combination gas pipeline, also by pipeline, be parallel with a mixed gas storage tank, on described combination gas pipeline, in simulation storehouse inflow point, be also provided with the second spark arrester.
As a kind of preferred scheme, described mixed gas storage tank is provided with gas concentration measuring apparatus.
The beneficial effects of the utility model are: in the anti-fire test device of two kinds of high-speed ventilation valves described in the application, on simulation storehouse, in the outside of explosion diaphragm, establish Packed explosion-proof tank, if valve to be checked is defective, make to simulate while blasting in storehouse, 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, when 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 integral body 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.
Because propane gas tank and compressed air supply system are provided with flow by two respectively, take into account the pipeline of by-pass valve control and be connected on the first gas mixer, 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, in simulation storehouse inflow point, be also provided with the second spark arrester, 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 by rotation direction and inclination angle, form the air-flow of mutual collision, makes it abundant mixing.
Accompanying drawing explanation
Fig. 1 described in the utility modelly 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 described in the utility modelly can carry out to fast valve the main TV structure schematic diagram of the anti-fire test device of high speed floss hole fire performance test.
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. simulate storehouse, 101. explosion diaphragms, 2. explosion-proof tank, 3. flame detector, 4. mount pad, 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 embodiments of the present utility model in detail.
As Fig. 1, 2, 5, shown in 6, a kind ofly can carry 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, at gas outlet, be provided with the mount pad 4 for fixing valve to be checked of hollow, 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 being provided with the combination gas pipeline 15 of 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, also by pipeline, be parallel with a mixed gas storage tank 16, mixed gas storage tank 16 is provided with gas concentration measuring apparatus 17.On combination gas pipeline 15, in simulation storehouse 1 inflow point, be also provided with the second spark arrester 18.
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 inducer 191, interlude 192, the outlet section 193 linking 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.
Fire resistances for 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 ofly can carry out to fast valve the anti-fire test device of high speed floss hole fire performance test, 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 for burning the ablation device 21 of 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 being provided with the combination gas pipeline 15 of 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, also by pipeline, be parallel with a mixed gas storage tank 16, mixed gas storage tank 16 is provided with gas concentration measuring apparatus 17.On combination gas pipeline 15, in simulation storehouse 1 inflow point, be also provided with the second spark arrester 18.
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 inducer 191, interlude 192, the outlet section 193 linking 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 the opening pressure that gas in storehouse 1 keeps below 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 (when temperature rise rate is no more than 0.5 ° of C in the time over 10min 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 the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not for limiting the utility model; 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 domain of the present utility model.
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, at gas outlet, be provided with the mount pad for fixing valve to be checked of hollow, 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 for burning the ablation device of 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 being provided with the combination gas pipeline of 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 inducer, interlude, the outlet section linking 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, also by pipeline, be parallel with a mixed gas storage tank, on described combination gas pipeline, in simulation storehouse inflow point, be also provided with the second spark arrester.
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 |
|---|---|---|---|
| CN201420261797.6U CN203849018U (en) | 2014-05-21 | 2014-05-21 | High-speed ventilation valve fire protection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261797.6U CN203849018U (en) | 2014-05-21 | 2014-05-21 | High-speed ventilation valve fire protection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849018U true CN203849018U (en) | 2014-09-24 |
Family
ID=51562021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261797.6U Withdrawn - After Issue CN203849018U (en) | 2014-05-21 | 2014-05-21 | High-speed ventilation valve fire protection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983445A (en) * | 2014-05-21 | 2014-08-13 | 江苏沙洲阀门有限公司 | Fireproof test device of high-speed ventilation valve |
-
2014
- 2014-05-21 CN CN201420261797.6U patent/CN203849018U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983445A (en) * | 2014-05-21 | 2014-08-13 | 江苏沙洲阀门有限公司 | Fireproof test device of high-speed ventilation valve |
| CN103983445B (en) * | 2014-05-21 | 2016-06-22 | 江苏沙洲阀门有限公司 | A kind of Fire Test device of high-speed ventilation valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Guo et al. | Effect of low-concentration coal dust on gas explosion propagation law | |
| CN101477094B (en) | Experimental device for restraining gas and dust explosion by water mist | |
| CN204596218U (en) | Liquefied gas storage is kidney-yang training simulation device | |
| CN205643223U (en) | Restricted space gas fires vortex testing arrangement | |
| CN104390804B (en) | Test method of performance test system for explosion suppression and explosion resistance mining device | |
| CN205508246U (en) | Large scale nuclear power conflagration comprehensive experimental platform | |
| CN204204305U (en) | Storage tank is kidney-yang training simulation device | |
| CN105225568B (en) | Round-the-clock fire and smog real scene analog training device | |
| CN203519267U (en) | Gas leakage detection device | |
| CN103983445B (en) | A kind of Fire Test device of high-speed ventilation valve | |
| CN103852486A (en) | Liquid mist blasting parameter testing system and liquid mist blasting parameter testing method | |
| CN205050402U (en) | All -weather conflagration and true scenario simulation trainer of smog | |
| CN206930608U (en) | A kind of combined type suppresses flammable gas explosion experimental provision | |
| CN203849018U (en) | High-speed ventilation valve fire protection test device | |
| CN104797303B (en) | Mitigate vaporous cloud by Chemical Inhibition to explode | |
| CN103407567B (en) | The integrated power control unit of liquefied natural gas (LNG) power ship | |
| CN205333590U (en) | A test device for simulating high pressure burning | |
| CN208383388U (en) | A kind of imitative experimental appliance of double fuel host gas leakage peculiar to vessel | |
| CN204228647U (en) | A kind of explosion testing device | |
| CN207064955U (en) | A kind of outer arranging device of ball valve blowdown for Long-distance Transmission Pipeline valve chamber | |
| CN109752409A (en) | A kind of flammable gas explosion propagation law simulation test device | |
| CN111122194B (en) | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane | |
| CN117147622A (en) | Hydrogen leakage diffusion combustion simulation experiment device | |
| CN107859998B (en) | Application of mixed combustible gas burner test device in real fire extinguishing training | |
| CN208283323U (en) | Gas in a kind of simulation coal mine down-hole tunnel, coal-dust explosion experimental provision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |