CN113311018A - Fire simulation test device for hydrogen storage system and test safety distance determination method - Google Patents
Fire simulation test device for hydrogen storage system and test safety distance determination method Download PDFInfo
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- CN113311018A CN113311018A CN202110466333.3A CN202110466333A CN113311018A CN 113311018 A CN113311018 A CN 113311018A CN 202110466333 A CN202110466333 A CN 202110466333A CN 113311018 A CN113311018 A CN 113311018A
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- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
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Abstract
The invention relates to a fire simulation test device of a hydrogen storage system, which comprises a protective wall, wherein a fuel tank is arranged on one side of the protective wall, which is far away from the hydrogen storage system, the fuel tank is communicated with a feed pump, a discharge port of the feed pump is communicated with a fuel corrugated pipe, one end of the fuel corrugated pipe, which is far away from the feed pump, is communicated with a material sprinkling pipe, which can sprinkle fuel to the hydrogen storage system, one side of the protective wall, which is provided with the fuel tank, is provided with a material sprinkling pipe moving mechanism for driving the material sprinkling pipe to move from one side, which is far away from the fuel tank, of the protective wall to one side, which is far away from the hydrogen storage system, of the protective wall, and the material sprinkling pipe can move to one side, which is far away from the hydrogen storage system, of the protective wall after the material sprinkling pipe sprays the hydrogen storage system to be tested, so that the material sprinkling pipe or the fuel tank is difficult to cause great influence once the hydrogen storage system explodes in the test process.
Description
Technical Field
The invention relates to the technical field of fire simulation tests, in particular to a fire simulation test device of a hydrogen storage system and a method for determining a test safety distance.
Background
The hydrogen storage system generally comprises a hydrogen storage tank and corresponding pipelines, and in order to confirm that the hydrogen storage tank and the pipelines are damaged by explosion once explosion happens, and meanwhile, the actual effect of related protection devices is also detected, and a fire simulation test of the hydrogen storage system is required. Meanwhile, once the hydrogen storage system explodes, huge shock waves can be caused, once personnel are too close to an explosion center point, the personnel can be greatly damaged, the safety distance between the personnel and the explosion center point during the test needs to be determined, and the possibility that the experimenters are too close to the explosion center point to be greatly damaged is reduced.
In the conventional fire simulation test device, fuel is generally sent to a simulation place as a simulation fire source through a pipeline, then the fuel is ignited by using an igniter to simulate the actual fire scene, and the temperature rise condition of the scene is detected by a temperature sensor arranged around the scene.
In view of the above-mentioned related art, the inventors considered that the pipe for transporting fuel at the time of the experiment is easily damaged upon explosion of the hydrogen storage system, so that the fuel may be exposed from the pipe, and there is a drawback that the fire is difficult to control at the time of the fire simulation experiment.
Disclosure of Invention
In order to reduce the possibility that the fire behavior is changed into uncontrollable during a fire simulation experiment, the application provides a fire simulation test device of a hydrogen storage system and a method for determining the safe test distance.
In a first aspect, the application provides a hydrogen storage system fire simulation test device which adopts the following technical scheme:
the utility model provides a hydrogen storage system conflagration analogue test device, includes protection wall, one side that protection wall deviates from hydrogen storage system is equipped with the fuel jar, and the fuel jar intercommunication has the delivery pump, and delivery pump discharge gate intercommunication has fuel bellows, and fuel bellows keeps away from delivery pump one end intercommunication and has the unrestrained material pipe that can spill fuel to hydrogen storage system department, and protection wall sets up fuel jar one side and is equipped with the unrestrained material pipe moving mechanism that spills the material pipe and remove to protection wall setting fuel jar one side from protection wall.
Through adopting above-mentioned technical scheme, spill the material pipe and can remove to hydrogen storage system department to spray fuel to hydrogen storage system department, after spraying the completion, spill the material pipe and can remove to the one side that the protection wall body deviates from hydrogen storage system, make and explode in the experimentation, fuel jar, fuel bellows, spill the material pipe and all be difficult for receiving the damage, reduce the conflagration and become uncontrollable risk.
Optionally, the material sprinkling pipe moving mechanism comprises a wall body rod arranged on the side face, facing the fuel tank, of the protective wall body, a vertical moving hydraulic cylinder arranged on the wall body rod, a hydraulic cylinder block arranged on a power rod of the vertical moving hydraulic cylinder, a translation rod connected to the hydraulic cylinder block in a sliding manner, and a translation rod moving assembly arranged on the hydraulic cylinder block and capable of driving the translation rod to be far away from the hydrogen storage system, wherein the material sprinkling pipe is arranged on the translation rod.
Through adopting above-mentioned technical scheme, it can drive the hydraulic cylinder piece and remove along vertical direction to erect the pneumatic cylinder intercommunication in outside oil supply for the height that the translation pole is higher than the protection wall body, so that spill the material pipe and remove to hydrogen storage system department, simultaneously after fuel sprays the completion, can spill the material pipe and remove to the rear of protection wall body and spill the height that the height of material pipe can be less than the protection wall body, so that spill the material pipe and obtain a better protection.
Optionally, the translation rod moving assembly includes a translation motor disposed on the hydraulic cylinder block, a motor gear coaxially and fixedly connected to an output shaft of the translation motor, and a translation rod rack fixedly connected to the translation rod and capable of being driven by the translation motor to move.
Through adopting above-mentioned technical scheme, translation motor drives translation pole rack and removes for translation pole can stably move.
Optionally, a water storage tank is arranged at a position close to the fuel tank, the water storage tank is communicated with a water pump, a water outlet of the water pump is communicated with a water delivery corrugated pipe, the water delivery corrugated pipe is communicated with a water mist pipe, the water mist pipe is provided with a plurality of water mist nozzles capable of ejecting high-pressure water mist, and the hydraulic cylinder block is provided with a water mist pipe moving mechanism capable of driving the water mist pipe to move towards the hydrogen storage system.
Through adopting above-mentioned technical scheme, the water pump can be with the blowout from the water smoke shower nozzle in the water storage tank to form water smoke, with the hydrogen storage system to in the burning work of putting out a fire of fighting a fire.
Optionally, the water mist pipe moving mechanism comprises a water mist pipe rod which is slidably connected to the hydraulic cylinder block, the water mist pipe is arranged on the water mist pipe rod, the water mist pipe rod is fixedly connected with a water mist pipe rod rack, and the water mist pipe rod rack can be driven by the translation motor to move.
By adopting the technical scheme, the water mist pipe can move in the vertical direction along with the movement of the hydraulic cylinder block, so that the water mist pipe and the water mist nozzle are not easily damaged when the hydrogen storage system is combusted and exploded.
Optionally, motor gear engagement has two reverse gears, reverse gear and motor gear are bevel gear, two reverse gear back to back equal coaxial fixedly connected with gear bull stick in one side of the body, the gear bull stick rotates around self axis and connects in the cylinder block, two gear bull stick back to back equal coaxial fixedly connected with driven gear of one end mutually, two driven gears mesh respectively in water smoke pipe pole rack and translation pole rack, the cylinder block runs through and has seted up translation pole gear groove and water smoke pipe pole gear groove, two driven gears wear to locate translation pole gear groove and water smoke pipe pole gear groove respectively.
Through adopting above-mentioned technical scheme, translation motor communicates in external power source, make motor gear revolve, then two reversal gears carry out synchronous antiport, make two synchronous antiport of gear bull stick, two synchronous antiport of driven gear, make translation pole rack and water smoke pipe pole rack direction remove, make it can not be close to simultaneously in hydrogen storage system to spill material pipe and water smoke pipe, so that when hydrogen storage system puts out a fire the work in carrying out, spill material pipe keeps away from hydrogen storage system, it probably receives the influence of the unexpected explosion condition to reduce when putting out a fire the work spill material pipe and takes place to damage.
Optionally, the two ends of the translation rod and the two ends of the water spray pipe rod are fixedly connected with limit stoppers for limiting the translation rod and the water spray pipe rod to move.
By adopting the technical scheme, the translation rod and the water spray pipe rod are not easy to break away from the hydraulic cylinder block, and the two driven gears can be correspondingly meshed with the translation rod rack and the water spray pipe rod rack.
Optionally, a buffer spring is arranged on the side face, facing the hydraulic cylinder block, of the limit stop, and a rubber block is arranged at one end, far away from the limit stop connected with the buffer spring.
By adopting the technical scheme, the hydraulic cylinder block is not easy to be subjected to larger impact due to the arrangement of the buffer spring and the rubber block, and the hydraulic cylinder block is protected to a certain extent.
Optionally, the hydraulic cylinder block is rotatably connected with two pipe grooved wheels, the two pipe grooved wheels are respectively close to the water feeding corrugated pipe and the fuel corrugated pipe, the water feeding corrugated pipe and the fuel corrugated pipe are respectively limited by the two groups of pipe grooved wheels, pipe entry grooves are formed in the lower surfaces of the translation rod and the water spray pipe rod, and the water feeding corrugated pipe and the fuel corrugated pipe respectively enter the two pipe entry grooves.
Through adopting above-mentioned technical scheme for under the guide effect of pipe grooved pulley, send water bellows and fuel bellows to be difficult for taking place to contradict with the hydraulic cylinder piece, make and send water bellows and fuel bellows can comparatively enter into to the pipe entering groove smoothly.
In a second aspect, the method for determining the safe distance for the fire simulation test device of the hydrogen storage system adopts the following technical scheme.
A method for determining the safe test distance of a hydrogen storage system fire simulation test device specifically comprises the following steps:
step 1, starting from the position of a hydrogen storage system, arranging a shock wave pressure sensor of a shock wave tester every 1 kilometer, arranging the shock wave pressure sensor at the position of the hydrogen storage system until the position is 5 kilometers away from the hydrogen storage system, and then stopping a person to 5 kilometers away from the hydrogen storage system to detonate the hydrogen storage system;
step 2, collecting and analyzing shock wave data collected in the step 1, and then selecting a position interval where the human body safety shock wave pressure of 10kPa is located;
step 3, setting shock wave pressure sensors every 200 meters in the 1 km position interval selected in the step 2, and detonating the hydrogen storage system again;
and 4, collecting and analyzing the shock wave data obtained in the step 3, and selecting the shock wave pressure of 10kPa in the 200-meter interval in the step 3, wherein the farthest position of the selected 200-meter interval and the position of the hydrogen storage system is an experimental safety distance.
Through adopting above-mentioned technical scheme, can be comparatively convenient and accurate the experiment safe distance that reachs for what, also can reachs the shock wave pressure that stores up hydrogen system position department simultaneously for what, so that the protection wall body that confirms comparatively more to be close to in hydrogen storage system probably receives big shock wave, so that confirm relevant parameters such as thickness and the material of protection wall body, make the difficult condition that appears damaging of protection wall body, reduce the possibility that the protection wall body is destroyed by the explosion shock wave, make the fuel jar can receive the better protection of protection wall body always, the intensity of a fire changes into uncontrollable possibility when reducing the conflagration simulation experiment.
In summary, the invention includes at least one of the following beneficial technical effects:
the sprinkling pipe can be moved to the hydrogen storage system to sprinkle fuel to the hydrogen storage system, and after sprinkling is finished, the sprinkling pipe can be moved to one side of the protective wall body deviating from the hydrogen storage system, so that explosion occurs in the experimental process, the fuel tank, the fuel corrugated pipe and the sprinkling pipe are not easily damaged, and the risk that fire disasters become uncontrollable is reduced;
what can be comparatively convenient and accurate reachs experiment safe distance, also can reachs the shock wave pressure that hydrogen storage system position department is simultaneously for what, so that the protection wall body that confirms relatively comparatively close to in hydrogen storage system can receive big shock wave, so that confirm the thickness and the relevant parameter such as material of protection wall body, make the difficult condition that appears damaging of protection wall body, reduce the possibility that protection wall body is destroyed by explosion shock wave, make the fuel jar can receive the better protection of protection wall body always, the intensity of a fire changes into uncontrollable possibility when reducing the conflagration simulation experiment.
Drawings
FIG. 1 is a main structure diagram of a fire simulation test device of a hydrogen storage system according to the present application;
FIG. 2 is a schematic bottom view of the translation rod and the mist pipe rod;
FIG. 3 is a schematic top view of the upper surface of the translation rod and the mist pipe rod;
FIG. 4 is an enlarged view at A in FIG. 3;
fig. 5 is an enlarged view of fig. 3 at B.
In the figure, 1, a protective wall; 11. a translation bar slot; 12. a rotating rod block; 13. a translation bar gear slot; 14. a translation bar rack slot; 16. a water mist pipe rod groove; 17. a water mist pipe rod rack slot; 18. a water mist pipe rod gear groove; 2. a fuel tank; 21. a gear rotating rod; 22. a water mist pipe rod rack; 23. a driven gear; 24. a buffer spring; 25. a rubber block; 26. a pipe sheave; 27. the tube enters the groove; 28. a wall rod chute; 29. a wall body hydraulic cylinder; 3. a feed pump; 32. a limit stop block; 33. a water storage tank; 34. a water pump; 35. a water delivery bellows; 36. a water mist pipe; 37. a water mist spray head; 38. a water mist pipe rod; 39. a reverse gear; 4. a fuel bellows; 42. a material sprinkling pipe; 43. a wall rod; 44. vertically moving a hydraulic cylinder; 45. a hydraulic cylinder block; 46. a translation rod; 47. a translation motor; 48. a motor gear; 49. a translation rod rack.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a fire simulation test device of a hydrogen storage system, refer to fig. 1 and fig. 2, comprising a protective wall 1 arranged close to the hydrogen storage system, wherein the vertical side surface of the protective wall 1 in the length direction is opposite to the hydrogen storage system, one side of the protective wall 1 away from the hydrogen storage system is provided with a fuel tank 2, the fuel tank 2 is communicated with a feed pump 3 through a hose, the feed pump 3 is a fuel oil transmission pump, the discharge port of the feed pump 3 is fixedly connected with a communicated fuel corrugated pipe 4, one end of the fuel corrugated pipe 4 far away from the feed pump 3 is fixedly connected with a communicated sprinkling pipe 42, the sprinkling pipe 42 is horizontal, the length direction of the sprinkling pipe 42 is vertical to the vertical side surface of the protective wall 1 in the length direction, the bottom of the circumferential outer wall is uniformly penetrated and provided with a plurality of through holes, so that fuel can flow out from the lower part of the sprinkling pipe 42 and flow to the ground near the hydrogen storage system and the hydrogen storage system, the fuel may then be ignited by an igniter located at the surface of the hydrogen storage system to simulate the occurrence of a fire.
Referring to fig. 1 and 2, a water storage tank 33 is installed at a position near the fuel tank 2, the water storage tank 33 is communicated with a water pump 34 through a hose, the water pump 34 is a high-pressure water pump, a water outlet of the water pump 34 is fixedly connected with a water delivery corrugated pipe 35 communicated with the water outlet, one end of the water delivery corrugated pipe 35 far away from the water pump 34 is fixedly connected and communicated with a water mist pipe 36, the length direction of the water mist pipe 36 is parallel to the length direction of a material spraying pipe 42, the bottom of the water mist pipe 36 is uniformly and fixedly connected and communicated with a plurality of water mist nozzles 37 along the length direction, and the water mist nozzles 37 spray water mist to extinguish a fire of the hydrogen storage system.
Referring to fig. 1 and 2, a spraying pipe moving mechanism for driving a spraying pipe 42 to move from one side of a protective wall 1, which is away from a fuel tank 2, to one side of the protective wall 1, which is provided with the fuel tank 2, is installed on one side of the protective wall 1, which is provided with the fuel tank 2, the spraying pipe moving mechanism comprises a wall rod 43 slidably connected to the vertical side of the protective wall 1, which faces the fuel tank 2, the side of the protective wall 1, which faces the wall rod 43, is provided with a wall rod chute 28, the length direction of the wall rod chute 28 is parallel to the length direction of the protective wall 1, the wall rod 43 is slidably connected to the wall rod chute 28 along the length direction of the protective wall 1, the vertical section of the wall rod chute 28 is T-shaped, part of the vertical section of the wall rod 43, which is located in the wall rod chute 28, is T-shaped, so that the wall rod 43 is not easy to separate from the wall rod chute 28, and the vertical side of the protective wall 1, which faces the wall rod 43, is fixedly connected with a wall hydraulic cylinder 29, the power rod length direction of the wall body hydraulic cylinder 29 is parallel to the length direction of the wall body rod sliding groove 28.
Referring to fig. 2 and 3, a vertical moving hydraulic cylinder 44 is fixedly connected to the upper surface of one end of a wall rod 43 far away from a protective wall 1, a power rod of the vertical moving hydraulic cylinder 44 is vertical, a horizontal hydraulic cylinder block 45 is fixedly connected to the upper end of the power rod of the vertical moving hydraulic cylinder 44, the length direction of the hydraulic cylinder block 45 is parallel to the length direction of the protective wall 1, a translation rod groove 11 is formed in the vertical side surface of the hydraulic cylinder block 45 facing the protective wall 1 in a penetrating manner, the translation rod groove 11 is located at one end of the length direction of the hydraulic cylinder block 45, the opening direction of the translation rod groove 11 is parallel to the width direction of the hydraulic cylinder block 45, a translation rod 46 is slidably connected to the inner wall of the translation rod groove 11 along the opening direction thereof, the length direction of the translation rod 46 is parallel to the width direction of the hydraulic cylinder block 45, a pipe entering groove 27 is formed in the lower surface of the translation rod 46, the length direction of the pipe entering groove 27 is parallel to the length direction of the translation rod 46, the pipe entering groove 27 penetrates through the vertical end surface of the translation rod 46 far away from the protective wall 1, the sprinkling pipe 42 is fixedly connected to the inner wall of the pipe inlet groove 27 close to the protective wall 1, and the fuel corrugated pipe 4 can enter the pipe inlet groove 27. The vertical displacement hydraulic cylinder 44 is in communication with an external oil source so that the cylinder block 45 can move in a vertical direction, and then the translation rod 46 moves in a vertical direction so that the sprinkler tube 42 can move in a vertical direction.
Referring to fig. 3 and 4, the hydraulic cylinder block 45 is provided with a translation rod moving assembly capable of driving the translation rod 46 to be far away from the hydrogen storage system, the translation rod moving assembly comprises a translation motor 47 fixedly connected to the upper surface of the hydraulic cylinder block 45, the translation motor 47 is located at the middle point of the length of the hydraulic cylinder block 45, the length direction of an output shaft of the translation motor 47 is parallel to the width direction of the hydraulic cylinder block 45, a motor gear 48 is coaxially and fixedly connected to the output shaft of the translation motor 47, one side of the motor gear 48 close to the translation rod 46 is engaged with a reverse gear 39, both the reverse gear 39 and the motor gear 48 are bevel gears, the end surface of the reverse gear 39 opposite to the motor gear 48 is coaxially and fixedly connected with a gear rotating rod 21, the length direction of the gear rotating rod 21 is parallel to the length direction of the hydraulic cylinder block 45, the rotating rod block 12 is integrally formed on the upper surface of the hydraulic cylinder block 45, and the gear rotating rod 21 is inserted and rotatably connected to the rotating rod block 12, gear bull stick 21 rotates around self axis, and the coaxial fixedly connected with driven gear 23 of one end that reverse gear 39 was kept away from to gear bull stick 21, and hydraulic cylinder piece 45 upper surface has been seted up and has been vertical translation pole gear groove 13, and translation pole gear groove 13 communicates in translation pole groove 11, and driven gear 23 wears to locate translation pole gear groove 13. The upper surface of the translation rod 46 is provided with a translation rod rack groove 14, a translation rod rack 49 is fixedly connected in the translation rod rack groove 14, the length direction of the translation rod rack 49 is parallel to the length direction of the translation rod 46, and the driven gear 23 is meshed with the translation rod rack 49.
The power motor 47 is communicated with an external power supply, so that the motor gear 48 rotates, the reverse gear 39 rotates, then the driven gear 23 rotates, the translation rod rack 49 moves, the translation rod 46 can move along the length direction of the translation rod, and the sprinkling pipe 42 is driven to move right above or away from the hydrogen storage system.
Referring to fig. 3 and 4, a water mist pipe moving mechanism capable of driving the water mist pipe 36 to move towards the hydrogen storage system is installed on the hydraulic cylinder block 45, the water mist pipe moving mechanism comprises a water mist pipe rod 38 with a length direction parallel to the length direction of the translation rod 46, one end, away from the translation rod groove 11, of the hydraulic cylinder block 45 is penetrated and provided with a water mist pipe rod groove 16, the water mist pipe rod 38 is connected to the inner wall of the water mist pipe rod groove 16 in a sliding mode along the length direction of the water mist pipe rod 38, a water mist pipe rod rack groove 17 is formed in the upper surface of the water mist pipe rod 38, a water mist pipe rod rack 22 is fixedly connected to the inner wall of the water mist pipe rod rack groove 17, the length direction of the water mist pipe rod rack 22 is parallel to the length direction of the water mist pipe rod 38, and a water mist pipe rod gear groove 18 which is vertical is formed in the upper surface of the hydraulic cylinder block 45. Two reverse gears 39 are arranged, the two reverse gears 39 are meshed with two opposite sides of a motor gear 48, correspondingly, the gear rotating rod 21, the rotating rod block 12 and the driven gear 23 are arranged in two, and the driven gear 23 close to the water mist pipe rod gear groove 18 penetrates through the water mist pipe rod gear groove 18 and is meshed with the water mist pipe rod rack 22.
Referring to fig. 2, the lower surface of the mist pipe bar 38 is also provided with a pipe inlet slot 27, and the pipe inlet slot 27 is disposed in the mist pipe bar 38 in correspondence with the pipe inlet slot 27 at the translation bar 46. The spray pipes 36 are fixedly connected to the pipe inlet grooves 27 of the spray pipe rods 38 close to the inner wall of the protective wall 1, and the water supply corrugated pipes 35 can enter the pipe inlet grooves 27 of the spray pipe rods 38.
When the power motor 47 works, the motor gear 48 is meshed with the two reversing gears 39, so that the two reversing gears 39 synchronously and reversely rotate, the translation rod 46 and the water mist pipe rod 38 can synchronously move in the opposite directions, and the spraying pipe 42 can be far away from the hydrogen storage system when the water mist spray head 37 of the water mist pipe 36 sprays water mist. When the translation rod 46 and the mist pipe rod 38 are aligned in the length direction of the cylinder block 45, the cylinder block 45 can be moved downward in the vertical direction, and the translation rod 46 and the mist pipe rod 38 do not interfere with the protection wall 1.
Referring to fig. 2, two tube grooved wheels 26 are rotatably connected to the vertical side surface of the hydraulic cylinder block 45 away from the protective wall 1, the end surface of each tube grooved wheel 26 is perpendicular to the length direction of the hydraulic cylinder block 45, the upper parts of the two tube grooved wheels 26 are respectively connected to the lower parts of the fuel corrugated tube 4 and the water supply corrugated tube 35 in a rolling manner, and the upper part of each tube grooved wheel 26 is located in the tube entering groove 27, so that the fuel corrugated tube 4 and the water supply corrugated tube 35 are difficult to separate from the tube grooved wheels 26.
Referring to fig. 3 and 5, the upper surfaces of the water mist pipe rod 38 and the translation rod 46 are fixedly connected with a set of two limit stops 32 in each group, the hydraulic cylinder block 45 is located between the two limit stops 32 in the same group, the limit stops 32 are fixedly connected with the buffer springs 24 towards the side surfaces of the hydraulic cylinder block 45, each buffer spring 24 is far away from the rubber block 25 which is fixedly connected with the limit stops 32 in each group, the rubber block 25 can be abutted against the hydraulic cylinder block 45, and the hydraulic cylinder block 45 is not easy to be impacted greatly.
The implementation principle of the fire simulation test device of the hydrogen storage system in the embodiment of the application is as follows: the wall hydraulic cylinder 29 drives the sprinkling pipe 42 and the water mist pipe 36 to move along the length direction of the hydraulic cylinder block 45, the vertical moving hydraulic cylinder 44 drives the sprinkling pipe 42 and the water mist pipe 36 to move along the vertical direction, and the translation motor 47 drives the sprinkling pipe 42 and the water mist pipe 36 to move along the width direction of the hydraulic cylinder block 45, so that a hydrogen storage system can be sprayed with fuel more comprehensively or achieve a more comprehensive fire extinguishing effect.
The embodiment of the application also discloses a method for determining the test safety distance of the hydrogen storage system fire simulation test device, which specifically comprises the following steps:
step 1, starting from the position of a hydrogen storage system, arranging a shock wave pressure sensor of a shock wave tester every 1 kilometer, arranging the shock wave pressure sensor at the position of the hydrogen storage system until the position is 5 kilometers away from the hydrogen storage system, and then stopping a person to 5 kilometers away from the hydrogen storage system to detonate the hydrogen storage system;
step 2, collecting and analyzing shock wave data collected in the step 1, and then selecting a position interval where the human body safety shock wave pressure of 10kPa is located;
step 3, setting shock wave pressure sensors every 200 meters in the 1 km position interval selected in the step 2, and detonating the hydrogen storage system again;
and 4, collecting and analyzing the shock wave data obtained in the step 3, and selecting the shock wave pressure of 10kPa in the 200-meter interval in the step 3, wherein the farthest position of the selected 200-meter interval and the position of the hydrogen storage system is an experimental safety distance.
The implementation principle of the method for determining the safe test distance of the hydrogen storage system fire simulation test device in the embodiment of the application is as follows: through setting up the shock wave pressure sensor of different intervals twice to comparatively accurate definite experiment safe distance, so that the construction position of protection bunker is confirmed, simultaneously, can obtain the shock wave pressure of hydrogen storage system position department and be what, so that confirm that the protection wall body that is comparatively close to hydrogen storage system probably receives big shock wave, so that confirm relevant parameter such as thickness and the material of protection wall body, reduce the possibility that the protection wall body is destroyed by explosion shock wave, the intensity of a fire changes into uncontrollable possibility when reducing the conflagration simulation experiment.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A hydrogen storage system fire simulation test device is characterized in that: including protection wall body (1), one side that protection wall body (1) deviates from hydrogen storage system is equipped with fuel jar (2), fuel jar (2) intercommunication has feed pump (3), feed pump (3) discharge gate intercommunication has fuel corrugated pipe (4), feed pump (3) one end intercommunication is kept away from in fuel corrugated pipe (4) has can spill material pipe (42) to hydrogen storage system department with fuel, protection wall body (1) sets up fuel jar (2) one side and is equipped with and drives to spill material pipe (42) and deviate from fuel jar (2) one side from protection wall body (1) and remove to the spill material pipe moving mechanism that protection wall body (1) set up fuel jar (2) one side.
2. A hydrogen storage system fire simulation test apparatus as in claim 1, wherein: spill material pipe moving mechanism is including locating wall body pole (43) of protection wall body (1) towards the side of fuel jar (2), locate the vertical movement pneumatic cylinder (44) of wall body pole (43), locate hydraulic cylinder piece (45) of vertical movement pneumatic cylinder (44) power pole, sliding connection in translation pole (46) of hydraulic cylinder piece (45), locate hydraulic cylinder piece (45) and can drive translation pole (46) and keep away from the translation pole removal subassembly of hydrogen storage system, spill material pipe (42) and locate translation pole (46).
3. A hydrogen storage system fire simulation test apparatus as in claim 2, wherein: the translation rod moving assembly comprises a translation motor (47) arranged on the hydraulic cylinder block (45), a motor gear (48) coaxially and fixedly connected to an output shaft of the translation motor (47), and a translation rod rack (49) fixedly connected to the translation rod (46) and driven by the translation motor (47) to move.
4. A hydrogen storage system fire simulation test apparatus as in claim 3, wherein: the device is characterized in that a water storage tank (33) is arranged at a position close to the fuel tank (2), the water storage tank (33) is communicated with a water pump (34), a water outlet of the water pump (34) is communicated with a water delivery corrugated pipe (35), the water delivery corrugated pipe (35) is communicated with a water mist pipe (36), the water mist pipe (36) is provided with a plurality of water mist nozzles (37) capable of spraying high-pressure water mist, and a hydraulic cylinder block (45) is provided with a water mist pipe moving mechanism capable of driving the water mist pipe (36) to move towards the hydrogen storage system.
5. A hydrogen storage system fire simulation test device according to claim 4, wherein: the water mist pipe moving mechanism comprises a water mist pipe rod (38) which is connected to a hydraulic cylinder block (45) in a sliding mode, a water mist pipe (36) is arranged on the water mist pipe rod (38), a water mist pipe rod rack (22) is fixedly connected to the water mist pipe rod (38), and the water mist pipe rod rack (22) can be driven by a translation motor (47) to move.
6. A hydrogen storage system fire simulation test device according to claim 5, wherein: motor gear (48) meshing has two reverse gear (39), reverse gear (39) and motor gear (48) are bevel gear, two reverse gear (39) back to the back equal coaxial fixedly connected with gear bull stick (21) in one side of the body, gear bull stick (21) rotate around self axis and connect in hydro-cylinder piece (45), two equal coaxial fixedly connected with driven gear (23) of one end back to the back of the body of gear bull stick (21), two driven gear (23) mesh respectively in water smoke pipe pole rack (22) and translation pole rack (49), the hydro-cylinder piece (45) run through and have seted up translation pole gear groove (13) and water smoke pipe pole gear groove (18), translation pole gear groove (13) and water smoke pipe pole gear groove (18) are worn to locate respectively in two driven gear (23).
7. A hydrogen storage system fire simulation test device according to claim 5, wherein: and both ends of the translation rod (46) and the water spray pipe rod (38) are fixedly connected with limit stoppers (32) for limiting the translation rod (46) and the water spray pipe rod (38) to move.
8. A hydrogen storage system fire simulation test device according to claim 7, wherein: the side face, facing the hydraulic cylinder block (45), of the limit stop block (32) is provided with a buffer spring (24), and one end, far away from the limit stop block (32) connected with the buffer spring (24), of the buffer spring is provided with a rubber block (25).
9. A hydrogen storage system fire simulation test device according to claim 5, wherein: the hydraulic cylinder block (45) is rotatably connected with two pipe grooved wheels (26), the two pipe grooved wheels (26) are close to the water feeding corrugated pipe (35) and the fuel corrugated pipe (4) respectively, the water feeding corrugated pipe (35) and the fuel corrugated pipe (4) are limited by two groups of pipe grooved wheels (26) respectively, the lower surfaces of the translation rod (46) and the water spray pipe rod (38) are provided with pipe inlet grooves (27), and the water feeding corrugated pipe (35) and the fuel corrugated pipe (4) enter the two pipe inlet grooves (27) respectively.
10. A method for determining the safe test distance of a fire simulation test device of a hydrogen storage system is characterized by comprising the following steps: the method specifically comprises the following steps:
step 1, starting from the position of a hydrogen storage system, arranging a shock wave pressure sensor of a shock wave tester every 1 kilometer, arranging the shock wave pressure sensor at the position of the hydrogen storage system until the position is 5 kilometers away from the hydrogen storage system, and then stopping a person to 5 kilometers away from the hydrogen storage system to detonate the hydrogen storage system;
step 2, collecting and analyzing shock wave data collected in the step 1, and then selecting a position interval where the human body safety shock wave pressure of 10kPa is located;
step 3, setting shock wave pressure sensors every 200 meters in the 1 km position interval selected in the step 2, and detonating the hydrogen storage system again;
and 4, collecting and analyzing the shock wave data obtained in the step 3, and selecting the shock wave pressure of 10kPa in the 200-meter interval in the step 3, wherein the farthest position of the selected 200-meter interval and the position of the hydrogen storage system is an experimental safety distance.
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