KR102142555B1 - Hydrogen gas compression device for demonstrating hydrogen explosion pressure - Google Patents

Abstract

The present invention, the transport tank is installed in the transport vehicle is stored hydrogen gas; A storage tank installed inside the wall structure to provide hydrogen gas to the hydrogen jet flame combustion test apparatus, and the hydrogen gas is compressed and stored; An injection channel installed between the transport tank and the compression providing unit and supplying hydrogen gas supplied from the transport tank to the storage tank; It is installed in the injection passage, the compression providing unit for increasing the supply pressure of the hydrogen gas to increase the injection pressure of the hydrogen gas to the storage tank above the set pressure; An emergency discharge passage branched into the injection passage so as to discharge the hydrogen gas filled in the injection passage into the atmosphere when the pressure inside the compression providing unit or the injection passage rises above a set value; And a supply passage installed between the storage tank of the hydrogen jet flame combustion test apparatus and the compression providing unit, and supplying hydrogen gas compressed and supplied above the set value from the compression providing unit to the storage tank, and the supply The flow path is characterized in that the inner diameter is formed narrow compared to the injection flow path.

Description

Hydrogen gas compression injection device for hydrogen explosion demonstration test {HYDROGEN GAS COMPRESSION DEVICE FOR DEMONSTRATING HYDROGEN EXPLOSION PRESSURE}

The present invention relates to a hydrogen gas compression injection device for the hydrogen explosion demonstration test, and more specifically, to supply a color to the flame to visually check the flame generated as the hydrogen is burned, the hydrogen jet flame combustion test even in the bright daytime outdoors Hydrogen gas is compressed and stored at high pressure in a storage tank to provide hydrogen gas injected at high pressure so that it can be used in a hydrogen jet flame combustion tester that can proceed and clearly measure the length and shape of the flame. The present invention relates to a hydrogen gas compression injection device for an explosion proof test.

In general, a vehicle is a device that moves by using energy generated by burning fuel, and fossil fuel is mainly used. Recently, an eco-friendly vehicle using solar heat or hydrogen fuel has been developed and used.

Among these eco-friendly vehicles, vehicles using hydrogen fuel have a risk of explosion when hydrogen or hydrogen used as a fuel cell leaks into the atmosphere, and accordingly, research on diffusion and combustion characteristics of hydrogen fuel is required.

Moreover, if a hydrogen or fuel cell vehicle is parked or stopped for a long time in an enclosed space such as an underground parking lot, leaked hydrogen may gather and explode. Therefore, in an enclosed space such as an underground parking lot, an experimental model for understanding the diffusivity and combustibility of leaked hydrogen is required, but research and development of an experimental model or an experimental method for this purpose is still insufficient.

In order to solve the above problems, a hydrogen diffusibility and combustibility test apparatus was developed, and a test apparatus according to the prior art is a hydrogen diffusivity and combustibility test apparatus for measuring the diffusion and combustibility of hydrogen gas, and is formed through a ventilation hole. The supply unit for supplying hydrogen gas by being connected to a chamber and a chamber forming at least one ventilation unit including a door unit for sliding and opening sliding and opening and closing of the ventilation port to allow adjustment of the size of the opening and closing, and forming a closed system. And a ignition plug installed in the chamber to ignite the supplied hydrogen gas, a temperature sensor and a pressure sensor to measure the temperature and pressure in the chamber, and a control unit for controlling the supply unit or the ignition plug.

Background art of the present invention is disclosed in Republic of Korea Patent Publication No. 10-1129377 (announced on March 22, 2012, the name of the invention: hydrogen diffusion and combustibility test apparatus).

Since the experimental apparatus according to the prior art measures hydrogen flame generated in an enclosed space, it is difficult to secure a space capable of simulating the hydrogen jet flame generated by explosion of a hydrogen storage container installed in a hydrogen vehicle, etc. In order to implement the experiment in the open air, there is a problem that it is difficult to visually check the size and shape of the flame during the bright daytime.

In order to solve the above-mentioned problem, when installing an experimental apparatus in a large space outdoors, hydrogen gas must be stored in a storage tank under high pressure so that high-pressure hydrogen gas is ejected, and hydrogen gas is stored using a general injection device. When injecting into the tank, there is a problem that hydrogen gas cannot be compressed and stored above a set pressure.

Therefore, there is a need to improve this.

The present invention is to supply a color to the flame so that the flame generated as the hydrogen is burned can be visually inspected, and a hydrogen jet flame combustion experiment can be performed even in the bright daytime outdoors, and the length and shape of the flame can be clearly measured. The object of the present invention is to provide a hydrogen gas compression injection device for hydrogen explosion demonstration test that compresses and stores hydrogen gas at a high pressure so as to provide hydrogen gas injected at a high pressure for use in a flame combustion test apparatus.

The present invention, the transport tank is installed in the transport vehicle is stored hydrogen gas; A storage tank installed inside the wall structure to provide hydrogen gas to the hydrogen jet flame combustion test apparatus, and the hydrogen gas is compressed and stored; An injection channel installed between the transport tank and the compression providing unit and supplying hydrogen gas supplied from the transport tank to the storage tank; It is installed in the injection passage, the compression providing unit for increasing the supply pressure of the hydrogen gas to increase the injection pressure of the hydrogen gas to the storage tank above the set pressure; An emergency discharge passage branched into the injection passage so as to discharge the hydrogen gas filled in the injection passage into the atmosphere when the pressure inside the compression providing unit or the injection passage rises above a set value; A supply passage installed between the storage tank of the hydrogen jet flame combustion test apparatus and the compression providing unit, and supplying hydrogen gas compressed and supplied above the set value from the compression providing unit to the storage tank; And a booster for bypassing the hydrogen gas supplied to the compression providing unit and performing preliminary compression, wherein the supply flow path has a narrow inner diameter compared to the injection flow path.

In addition, the compression providing unit of the present invention is installed in the injection passage, the first booster for supplying the hydrogen gas provided from the transport tank to a supply value and pressurized above a set value; And a second booster branched from the injection flow path and connected to the supply flow path in parallel, pressurizing hydrogen gas provided from the transportation tank to a predetermined value or more, and supplying the hydrogen gas to the supply flow path.

In addition, the wall structure of the present invention, the hydrogen jet flame combustion apparatus is installed so as to face the hydrogen ejection control unit and maintain a gap, the test object of a variety of materials mounted to be exposed to the hydrogen jet flame; An outer wall member constructed along an edge of the experimental space portion to partition the experimental space portion on which the protective wall is seated and the outside; A first protective wall constructed to surround the storage tank to prevent a hydrogen jet flame from contacting the storage tank; And a second protective wall constructed to surround the hydrogen ejection control unit to prevent a hydrogen jet flame from contacting the hydrogen ejection control unit.

In addition, the step-up portion, the bypass passage is branched from the injection passage, connected to the hydrogen jet flame combustion test apparatus; A circulation passage branched from the injection passage and connected to the bypass passage to supply hydrogen gas bypassed along the bypass passage to the hydrogen jet flame combustion apparatus or to circulate it back to the injection passage; And a compressor installed between the bypass passage and the circulation passage, and compressing hydrogen gas bypassed along the bypass passage to a predetermined pressure or higher.

The hydrogen gas compression injection device for the hydrogen detonation demonstration test according to the present invention is provided with a compression providing unit for compressing and supplying hydrogen gas supplied from a transportation tank to a storage tank above a set pressure, so that the hydrogen jet flame combustion test device has a high pressure. Since hydrogen gas can be ejected, the hydrogen storage container has the advantage of simulating the hydrogen jet flame generated when the storage function is lost, similar to the actual situation.

1 is a block diagram showing a hydrogen gas compression injection device for a hydrogen explosion demonstration test according to an embodiment of the present invention.
2 is a perspective view of a hydrogen jet flame combustion test apparatus to which a hydrogen gas compression injection device for hydrogen explosion demonstration test according to an embodiment of the present invention is applied.
FIG. 3 is a block diagram showing a hydrogen jet flame combustion test apparatus to which a hydrogen gas compression injection apparatus for hydrogen explosion demonstration test according to an embodiment of the present invention is applied.
FIG. 4 is a circuit diagram showing a flow path of a hydrogen jet flame combustion test apparatus to which a hydrogen gas compression injection apparatus for hydrogen explosion demonstration test according to an embodiment of the present invention is applied.

Hereinafter, an embodiment of a hydrogen gas compression injection device for a hydrogen explosion demonstration test according to the present invention will be described with reference to the accompanying drawings.

In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice.

Therefore, the definition of these terms should be made based on the contents throughout the present specification.

1 is a block diagram showing a hydrogen gas compression injection device for a hydrogen explosion demonstration test according to an embodiment of the present invention, Figure 2 is a hydrogen gas compression injection device for hydrogen explosion demonstration test according to an embodiment of the present invention is applied Hydrogen jet flame combustion test apparatus is a perspective view showing, Figure 3 is a block diagram showing a hydrogen jet flame combustion test apparatus is applied to the hydrogen gas compression injection device for hydrogen explosion demonstration test according to an embodiment of the present invention, Figure 4 Is a circuit diagram showing a flow path of a hydrogen jet flame combustion test apparatus to which a hydrogen gas compression injection apparatus for hydrogen explosion demonstration test according to an embodiment of the present invention is applied.

1 to 4, a hydrogen gas compression injection device for a hydrogen detonation demonstration test according to an embodiment of the present invention is installed in a transport vehicle, a transport tank 120 in which hydrogen gas is stored, and a hydrogen jet flame combustion test It is installed inside the wall structure to provide hydrogen gas to the device, and is installed between the storage tanks (12, 32) where the hydrogen gas is compressed and stored, the transportation tank 120 and the compression providing unit 130, and the transportation tank 120 ) Is installed in the injection flow path 122 for supplying the hydrogen gas supplied from the storage tank (12, 32), and the injection flow path 122, and increasing the supply pressure of hydrogen gas to increase the hydrogen in the storage tank (12, 32) When the pressure inside the compression providing unit 130 and the compression providing unit 130 or the injection flow path 122 rises above a set value by increasing the gas to a predetermined pressure or higher, hydrogen gas charged in the injection flow path 122 is supplied. It is installed between the emergency discharge passage 124 which is branched to the injection passage 122 to discharge to the atmosphere, and the storage tanks 12 and 32 of the hydrogen jet flame combustion test apparatus and the compression providing unit 130, and is compressed. Bypass the hydrogen gas supplied to the compression supply unit 130 and the supply flow path 126 for supplying the hydrogen gas compressed and supplied to the storage tank (12, 32) above the set value by the provision unit 130 and preliminary compression And a booster 310 to perform.

Therefore, when the transport vehicle is parked on one side of the experimental space and connects the injection channel 122 and the transport tank 120, opening the valve installed in the transport tank 120 causes hydrogen gas supplied along the injection channel 122 to be supplied. It is pre-compressed while passing through the booster 130, and is compressed and stored in the storage tanks 12 and 32 along the supply flow path 126 while being pressed above a set value while passing through the compression providing unit 130.

As described above, since the hydrogen gas is compressed and stored above a set value, when the combustion experiment apparatus is operated to provide a flame, the discharge rate of the hydrogen gas is ejected at a set speed or higher, thereby realizing a hydrogen jet flame.

In addition, the supply passage 126 of this embodiment, since the hydrogen gas passing through the compression providing unit 130 is supplied, a more robust pipe should be installed, and the outer wall of the pipe becomes thicker compared to the injection passage 122, and the supply passage The inner diameter of (126) becomes narrow.

The compression providing unit 130 is installed in the injection flow path 122, and pressurizes the hydrogen gas provided from the transportation tank 120 to a set value or higher and supplies the first booster 132 to the supply flow path 126, and injection It is branched from the flow path 122 and connected in parallel with the supply flow path 126, and includes a second booster 134 that pressurizes the hydrogen gas provided from the transportation tank 120 to a set value or higher and supplies it to the supply flow path 126. do.

As described above, the injection flow path 122 is branched into two flow paths, and since the first booster 132 and the second booster 134 are installed in each parallel flow path, the pressurization operation to compress and supply hydrogen gas at high pressure It can be done more effectively.

As described above, since the pressurization operation is performed by the first booster 132 and the second booster 134, the inner diameter is narrow and the precise supply channel 126 is not installed longer than necessary, and the relatively short supply channel 126 is used. The hydrogen gas passing through can be compressed in a short time at a set pressure.

When the emergency discharge passage 124 is installed in the first booster 132 and the second booster 134, and the pressure inside the first booster 132 or the second booster 134 rises above a set pressure, the first booster The emergency valves installed on the booster 132 and the second booster 134 are opened, and hydrogen gas is discharged into the atmosphere along the emergency discharge flow path 124 to prevent a safety accident.

In addition, the emergency discharge line 124 is connected to the atmospheric discharge line 44, which is branched from the second hydrogen supply line 36, so when the abnormal pressure higher than the set pressure is generated in the second hydrogen supply line 44, the second manual operation is performed. The valve 44a is opened to allow hydrogen gas to be discharged into the atmosphere through the atmospheric discharge line 44 and the emergency discharge line 124.

In addition, the boosting unit 130 of the present embodiment, the hydrogen is diverted from the injection passage 122, the bypass passage 312 connected to the hydrogen jet flame combustion test apparatus, and the hydrogen gas bypassed along the bypass passage 312 hydrogen It is branched from the injection passage 122 to supply to the jet flame combustion test apparatus or circulate again to the injection passage, and the circulation passage 314 connected to the bypass passage 312, the bypass passage 312 and the circulation passage 314 It is installed between, and includes a compressor for compressing the hydrogen gas bypassed along the bypass passage 312 to a predetermined pressure or more.

Therefore, the hydrogen gas supplied along the injection passage 122 is supplied to the compression providing unit 130 along the injection passage depending on whether the opening/closing valve installed in the bypass passage 312 is opened, or hydrogen along the bypass passage 312 A portion of the gas is bypassed and supplied to the compressor 316.

Hydrogen gas that has been pressurized above the set pressure while passing through the compressor 316 is supplied to the first storage tank 12 or the second storage tank 16 along the first hydrogen supply line 16 or the second hydrogen supply line 36. It is supplied and stored in a compressed state.

Among the pair of valves installed in the bypass passage 312, when the valve close to the hydrogen jet flame combustion test apparatus is closed and the valve close to the supply passage 122 is opened, the first booster 132 and the second booster ( 134) Hydrogen gas is compressed to the side, which has the effect of being compressed ahead of a certain value before being compressed by the booster.

The hydrogen jet flame combustion test apparatus in which the compression injection apparatus of the present embodiment is installed, is installed inside the wall structure 90 and the wall structure 90, which partitions the experiment space portion and the outside, and protects the experiment device from flame, From the storage tanks 12 and 32 in which hydrogen gas is compressed and stored, and from the hydrogen injection control unit 10 and the hydrogen injection control unit 10 for constantly injecting hydrogen gas supplied from the storage tanks 12 and 32 at a set pressure. Brine is supplied to the hydrogen jet flame injected from the ignition section 70 to start a combustion operation by providing a flame to the discharged high-pressure hydrogen gas and the hydrogen jet control section 10 to visually check and observe the hydrogen jet flame. It includes a flame display unit 80 that provides a color to the hydrogen jet flame by scattering.

When hydrogen gas is filled in the storage tanks 12 and 32 through the supply passage 126 extending outwardly from the wall structure 90, and a driving signal is transmitted to the hydrogen ejection control unit 10, the storage tanks 12 and 32 are transmitted. The supplied hydrogen gas is supplied to the nozzle unit 58 along the hydrogen ejection line 50 so that the hydrogen gas is dispersed.

At this time, by the operation of the hydrogen ejection control unit 10, the hydrogen gas is injected at a high pressure over a set pressure, and the flame is provided by the operation of the ignition unit 70 installed on one side of the nozzle unit 58 to deliver hydrogen at high pressure. Jet flame is generated in the gas.

Since the hydrogen jet flame generated as described above is injected opposite to a part of the wall structure 90, hydrogen jet flame is prevented from being sprayed outside the experimental space, and at the same time, when the test object is placed on the wall structure 90, hydrogen Combustion experiments to select materials that can withstand jet flames can be conducted.

In addition, in the present embodiment, the flame display unit 80 is provided to provide color to the hydrogen jet flame, so that the brine scattered from the flame display unit 80 is burned by the hydrogen jet flame and is colored orange and the operator's naked eye or camera ( 100), the length and shape of the hydrogen jet flame can be confirmed.

In addition, the amount of heat generated by the hydrogen jet flame can be measured by the heat release amount measurement unit 102 provided on one side of the nozzle unit 58 and the rear surface of the protective wall 92.

The wall structure 90 of the present embodiment is installed so as to face the hydrogen ejection control unit 10 and maintain a gap, and a protective wall 92 and a protective wall 92 mounted to be exposed to a hydrogen jet flame of an experiment object of various materials 92) the outer wall member 94 constructed along the edge of the experimental space portion to partition the experimental space portion on which it is seated and the outside, and the storage tanks 12, 32 are constructed to surround the hydrogen jet flame storage tanks 12, 32 ) To prevent contact with the first protective wall 96 and the second protective wall 98, which is constructed to surround the hydrogen ejection control unit 10 and prevents the hydrogen jet flame from contacting the hydrogen ejection control unit 10 It includes.

The outer wall member 94 is constructed along the edge of the experimental space section to divide the experimental space section and the outside, to face the nozzle section 58, to maintain a gap, and to provide a protective wall 92, to be tested by hydrogen jet flame Combustion experiments to determine if this is deformed or broken can be made.

Therefore, materials such as walls and structures to be installed in a hydrogen gas filling station can be determined through a hydrogen jet flame combustion experiment.

The storage tanks 12 and 32 include a first storage tank 12 and a second storage tank 32, and the first storage tank 12 and the second storage tank 32 are in the vertical direction. The first protective wall 96 which is installed while maintaining a gap and is bent in a'b' shape in a direction opposite to the nozzle unit 58 so as to surround the first storage tank 12 and the second storage tank 32 is provided. It is constructed.

As described above, since a plurality of storage tanks 12 and 32 are provided, it is possible to increase the storage capacity of hydrogen gas.

Between the nozzle unit 58 and the hydrogen ejection control unit 10, a'b'-shaped second protective wall 98 is constructed to protect the hydrogen ejection control unit 10 from hydrogen jet flame.

The hydrogen ejection control unit 10 is installed on the hydrogen ejection line 50 and the hydrogen ejection line 50 extending from the storage tanks 12 and 32 toward the protective wall 92, and starts or blocks supply of hydrogen gas. Main valve 52, installed in the hydrogen ejection line 50, the flowmeter 54 for measuring the flow rate of the ejected hydrogen gas, and the hydrogen gas ejected through the hydrogen ejection line 50 to maintain the pressure constant It is installed on the supply manifold 57 and the supply manifold 57 to collect the hydrogen gas supplied through the constant pressure regulator 56 and the constant pressure regulator 56 to a certain space, and distributes hydrogen gas into a plurality of flow paths for injection. It includes a plurality of nozzles (58).

Therefore, when the main valve 52 is opened, the hydrogen gas that has been compressed and stored in the storage tanks 12 and 32 is discharged through the hydrogen ejection line 50 and the operation of the positive pressure regulator 56 installed in the hydrogen ejection line 50 is performed. Hydrogen gas is injected to the experimental space through a plurality of nozzles 58 at a constant pressure.

The main valve 52 is remotely operated by pneumatic and can start or end a hydrogen gas ejection test, and the flow rate of the hydrogen gas ejected through the hydrogen ejection line 50 can be measured by the flow meter 54. There will be.

Pressure sensors are installed at the front and rear of the static pressure regulator 56, and the first pressure sensor installed at the front of the static pressure regulator 56 measures the pressure of the hydrogen gas supplied from the storage tanks 12, 32, and the second pressure sensor. The pressure sensor measures the pressure of hydrogen gas that is controlled to a constant pressure through the constant pressure regulator (56).

Therefore, the ejection pressure of hydrogen gas is adjusted by the positive pressure regulator 56 so that the pressure value measured by the second pressure sensor maintains the set pressure.

In addition, a second check valve 57a is installed in the hydrogen ejection line 50 to prevent reverse flow of hydrogen gas.

The hydrogen ejection line 50 extending from the first storage tank 12 is provided with a first three-way valve 14, connected to the first hydrogen supply line 16, and hydrogen extending from the second storage tank 32. A second three-way valve 34 is installed in the ejection line 50 and is connected to the second hydrogen supply line 36.

A first check valve 18a is installed in the first hydrogen supply line 16 connected to the first three-way valve 14 to prevent the hydrogen gas from flowing back along the first hydrogen supply line 16, and the first By connecting the hydrogen supply line 16 and the second hydrogen supply line 36, a test discharge line 42 extending to the outside and an atmospheric discharge line 44 are installed.

Therefore, it is possible to test whether the hydrogen gas supplied through the first hydrogen supply line 16 and the second hydrogen supply line 36 is constantly supplied at a set pressure while ejecting hydrogen gas through the test discharge line 42, When the pressure of the first hydrogen supply line 16 and the second hydrogen supply line 36 rises more than necessary, the atmospheric discharge line 44 is opened to discharge pressure to the atmosphere.

The test discharge line 42 and the atmospheric discharge line 44 are provided with a first manual valve 42a and a second manual valve 44a, so that when the opening/closing operation is not performed due to a malfunction of the air valve, an operator may perform the first manual operation. By operating the valve 42a or the second manual valve 44a, the test discharge line 42 or the atmospheric discharge line 44 can be opened and closed.

The first three-way valve 14 and the second three-way valve 34 of this embodiment are operated by pneumatic pressure provided from a separately installed nitrogen supply line, and the first three-way valve 14 and the second three-way valve 34 ) Is driven in the forward direction and the first hydrogen supply line 16 and the second hydrogen supply line 36 are connected to the first storage tank 12 and the second storage tank 32, the first storage tank 12 and It is possible to inject hydrogen gas into the second storage tank (32).

In addition, when the first three-way valve 14 and the second three-way valve 34 are driven in the reverse direction, the first storage tank 12 and the second storage tank 32 and the hydrogen ejection line 50 are connected to the first storage. Hydrogen gas discharged from the tank 12 and the second storage tank 32 is supplied to the nozzle unit 58 along the hydrogen ejection line 50 and injected, and is jetted by the flame provided from the ignition unit 70. Flames are generated.

The ignition unit 70 of this embodiment extends to the nozzle unit 58 side installed in the hydrogen ejection line 50, and to the fuel supply line 72 and the fuel supply line 72 for supplying fuel for the combustion process. It includes an on-off valve 74 that is installed, and an ignition device that is installed on the fuel supply line 72 and provides a flame to generate a flame.

Therefore, when the hydrogen jet flame combustion experiment is initiated, high-pressure hydrogen gas is discharged through the nozzle unit 58. At this time, when the fuel provided along the fuel supply line 72 is discharged, a flame is provided from the ignition device to provide hydrogen gas. The combustion starts, and hydrogen jet flame is generated by the hydrogen gas discharged at high pressure.

At this time, since the brine is scattered in the flame display unit 80, the hydrogen jet flame reacts with the brine to provide an orange color to the hydrogen jet flame.

The flame display unit 80 of the present embodiment is installed on one side of the nozzle unit 58, the salt water tank 82 in which salt water is stored, and the salt water supply line 84 extending from the salt water tank 82 to the nozzle unit 58 side. ), pump 86 installed in the brine supply line 84, and installed in the brine supply line 84, scattered to scatter hydrogen gas when the brine is supplied to the hydrogen jet flame side by the operation of the pump 86 Includes part 88.

Therefore, when the hydrogen jet flame is generated, the brine contained in the brine tank 82 is supplied along the brine supply line 84 by the operation of the pump 86, and is burned while scattering toward the hydrogen jet flame through the scattering section 88. It will give you an orange flame.

In addition, the present embodiment is disposed on the other side of the scattering section 88, the camera 100 to record and store the length and shape of the hydrogen jet flame colored by the operation of the scattering section 88, and the back of the firewall body It is installed on, and further includes a heat emission amount measuring unit 102 for measuring the amount of heat generated by the hydrogen jet flame, so that the operator can visually check the length and shape of the hydrogen jet flame, and the image taken by the camera 100 Through the data, the length, size and shape of the hydrogen jet flame can be confirmed.

Looking at the hydrogen jet flame combustion test method according to an embodiment of the present invention configured as described above are as follows.

Hydrogen jet flame combustion test method according to an embodiment of the present invention, the step of compressing and storing hydrogen gas in the first storage tank 12 and the second storage tank 32, the first storage tank 12 and The hydrogen gas supplied from the first storage tank 12 and the second storage tank 32 is set to a set pressure by the operation of a positive pressure regulator connected to the second hydrogen supply line 50 extending from the second storage tank 32. Hydrogen by providing a flame to the hydrogen gas injected at high pressure by the operation of the constant injection and the operation of the ignition unit 70 installed on one side of the nozzle unit 58 installed at the end of the second hydrogen supply line 50 Generating a jet flame, and scattering brine to the hydrogen jet flame provided from the nozzle unit 58 so that hydrogen and chlorine react and coloring, and the length of the hydrogen jet flame injected from the nozzle unit 58 and And checking the shape and storing it as data.

First, when filling the first storage tank 12 and the second storage tank 32 with hydrogen gas, the transport tank 120 accommodated in the vehicle is connected to the injection passage 122, and the injection passage 122 is opened. To drive the first booster 132 and the second booster 134.

Therefore, the hydrogen gas discharged from the transport tank 120 passes through the injection passage 122, the first booster 132, the second booster 134, the supply passage 126, and the hydrogen supply passage 36 to store the first gas. Compressed and supplied to the tank 12 and the second storage tank 32.

At this time, the first three-way valve 14 and the second upper valve 34, the hydrogen supply passage 36 and the first storage tank 12 and the second storage tank 32 connected to the supply passage 126 The first three-way valve 14 and the second three-way valve 34 are driven by pneumatic pressure of nitrogen provided along a separate nitrogen supply line, and the first booster and the second booster are shown in FIG. 1. It is driven by the air pressure of nitrogen delivered along the nitrogen supply line 136 shown.

Subsequently, when the hydrogen gas ejection experiment is started, the first three-way valve 14 and the second three-way valve 34 are driven by the pneumatic pressure of nitrogen so that the first storage tank 12 and the second storage tank 34 are hydrogen. Connected to the ejection line 50, the main valve 52 is opened, the hydrogen gas ejected from the first storage tank 12 and the second storage tank 32 along the hydrogen ejection line 50, the nozzle unit 58 ).

Hydrogen gas ejected along the hydrogen ejection line 50 is ejected through the nozzle unit 58 at a predetermined pressure by the operation of the positive pressure regulator 56, and a hydrogen jet flame is generated by the flame provided from the ignition device. .

By driving the pump 86, the brine is scattered and burned through the scattering unit 88 to color the hydrogen jet flame in orange, and the length and shape of the flame are captured and stored as image data by driving the camera 100. do.

The step of checking the length and shape of the hydrogen jet flame and storing it as data constitutes the outer wall of the experimental space, centered on the scale provided on the outer wall member 94 installed on one side of the experimental space, and the nozzle unit 58 It is installed on the opposite side of the scale, and is made by the camera 100 that simultaneously photographs the hydrogen jet flame and the scale so as to recognize the length by comparing the hydrogen jet flame injected from the nozzle unit 58 with the scale.

The outer wall member 94 facing the hydrogen jet flame is provided with a scale so that it is stored as a flame in the image data, so that the operator can accurately recognize the length of the flame while checking the scale when checking the image.

Reference numerals 1 to 6 and 59 denote the first pressure sensor 1 and the second storage tank 32 that measure the pressure of the first storage tank 12 and transmit the pressure value in real time to the test site control sensor. A second pressure sensor (2) for measuring and transmitting pressure, and a first PSV (Pressure Safety Valve: 3) that automatically releases pressure when the pressure of the first storage tank (12) rises to 99Mpa or higher, A second PSV (4) that prevents the second storage tank (32) from being damaged, a first AOV (Air Operated Valve) (5) that discharges hydrogen gas from the first storage tank (12), and a second storage tank (32) ) Is a second AOV (6) for emitting hydrogen gas, and an air supply (59) for providing compressed air to the AOV (5, 6) and the boosters (132, 134).

Thus, by supplying a color to the flame so that the flame generated as the hydrogen is burned can be visually observed, the hydrogen jet flame combustion experiment can be conducted even in the outdoor during bright daytime, and the hydrogen jet flame can clearly measure the length and shape of the flame. It is possible to provide a hydrogen gas compression injection device for hydrogen explosion demonstration test that compresses and stores hydrogen gas in a storage tank at high pressure so as to provide hydrogen gas injected at a high pressure for use in a combustion test apparatus.

The present invention has been described with reference to one embodiment shown in the drawings, but this is merely exemplary, and those skilled in the art to which the art pertains may have various modifications and other equivalent embodiments. Will understand

In addition, although the hydrogen gas compression injection device for the hydrogen explosion demonstration test has been described as an example, this is only an example, and the compression injection device of the present invention may be used for products other than the hydrogen gas compression injection device for the hydrogen explosion demonstration test.

Therefore, the true technical protection scope of the present invention should be defined by the claims below.

10: hydrogen ejection control unit 12: first storage tank
14: first three-way valve 16: first hydrogen supply line
18: manual valve for nitrogen purge 18a: first check valve
32: second storage tank 34: second three-way valve
36: second hydrogen supply line 38: manual valve for hydrogen purge
42: test discharge line 42a: first manual valve
44: atmospheric discharge line 44a: second manual valve
50: hydrogen ejection line 52: main valve
54: flow meter 56: constant pressure
57a: 2nd check valve 58: Nozzle part
70: ignition unit 72: fuel supply line
74: open/close valve 80: flame display
82: brine tank 84: brine supply line
86: pump 88: scattering part
90: wall structure 92: protective wall
94: outer wall member 96: first protective wall
98: second protective wall 100: camera
102: heat release amount measurement unit 120: transport tank
122: injection flow path 124: emergency discharge flow path
126: Supply flow path 130: Compression providing unit
132: first booster 134: second booster
136: nitrogen supply line

Claims (4)

A transport tank installed in the transport vehicle and storing hydrogen gas;
A storage tank installed inside the wall structure to provide hydrogen gas to the hydrogen jet flame combustion test apparatus, and the hydrogen gas is compressed and stored;
An injection channel installed between the transport tank and the compression providing unit and supplying hydrogen gas supplied from the transport tank to the storage tank;
It is installed in the injection passage, the compression providing unit for increasing the supply pressure of the hydrogen gas to increase the injection pressure of the hydrogen gas to the storage tank above the set pressure;
An emergency discharge passage branched into the injection passage so as to discharge the hydrogen gas filled in the injection passage into the atmosphere when the pressure inside the compression providing unit or the injection passage rises above a set value;
A supply passage installed between the storage tank of the hydrogen jet flame combustion test apparatus and the compression providing unit, and supplying hydrogen gas compressed and supplied above the set value from the compression providing unit to the storage tank; And
And a booster for bypassing the hydrogen gas supplied to the compression providing unit and performing preliminary compression,
The supply passage, the inner diameter is formed narrow compared to the injection passage,
The compression providing unit,
A first booster which is installed in the injection passage and pressurizes hydrogen gas provided from the transportation tank to a supply value or more and pressurizes hydrogen gas to a supply passage; And
And a second booster branched from the injection passage and connected to the supply passage in parallel, pressurizing hydrogen gas provided from the transportation tank to a predetermined value or more, and supplying the hydrogen gas to the supply passage,
The wall structure,
A protective wall opposite to the hydrogen ejection control unit of the hydrogen jet flame combustion test apparatus and installed to maintain a gap, and mounted to expose test objects of various materials to the hydrogen jet flame;
An outer wall member constructed along an edge of the experimental space portion to partition the experimental space portion on which the protective wall is seated and the outside;
A first protective wall constructed to surround the storage tank to prevent a hydrogen jet flame from contacting the storage tank; And
It is constructed to surround the hydrogen ejection control unit and includes a second protective wall to prevent the hydrogen jet flame from contacting the hydrogen ejection control unit,
The boosting unit,
A bypass channel branched from the injection channel and connected to the hydrogen jet flame combustion apparatus;
A circulation passage branched from the injection passage and connected to the bypass passage to supply hydrogen gas bypassed along the bypass passage to the hydrogen jet flame combustion apparatus or to circulate it back to the injection passage; And
Hydrogen gas compression injection device for hydrogen detonation demonstration test, characterized in that it comprises a compressor that is installed between the bypass passage and the circulation passage, and compresses the hydrogen gas bypassed along the bypass passage to a predetermined pressure or more. delete delete delete

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