Automatic emptying system for gas leakage of hydrogen container

Abstract

The invention discloses an automatic emptying system for gas leakage of a hydrogen container, which relates to the technical field of new energy, and comprises a sensor group, a hydrogen valve group, an emergency stop equipment group, a sound-light alarm group and an inert gas valve group which are in signal connection with a controller group, and a container module is provided with a hydrogen cylinder group and an inert gas cylinder group, the hydrogen valve sets are arranged at the joints of hydrogen cylinders of the hydrogen cylinder set, the inert gas valve sets are arranged on the gas cylinders of the inert gas cylinder set, a hydrogen output pipeline and a hydrogen input pipeline are arranged on the side face of the container module, an inert gas input pipeline is further arranged on the side face of the container module, and an emptying structure is arranged at the top of the container module. The emptying structure is a cuboid protrusion, and a plurality of emptying openings are formed in the four side edges of the emptying structure in an arrayed mode. The inert gas cylinder group is controlled by the sensor group and the controller group to quickly release inert gas to discharge leaked hydrogen out of the container module, and the container module is filled with the inert gas for protection.

Description

Technical Field

[0001] The present invention relates to the field of new energy technologies, and particularly to an automatic emptying system for gas leakage in a hydrogen container. Background Art

[0002] The hydrogen container technology is an important part of modern hydrogen energy storage and transportation. Due to the high energy density and clean and environmentally friendly characteristics of hydrogen, it plays a key role in energy transformation and sustainable development. In order to achieve modular and rapid assembly, hydrogen containers usually adopt a prefabricated cabin structure. These containers not only require good sealing performance to ensure that hydrogen does not leak, but also require excellent waterproof performance to meet the needs of outdoor storage and transportation. The structural design of these containers needs to specifically consider the safe handling of hydrogen, including the safety design for preventing gas leakage to prevent the fire and explosion risks that may be caused by hydrogen leakage. The hydrogen container technology is an important part of modern hydrogen energy storage and transportation.

[0003] Once hydrogen leakage occurs in a hydrogen container, emergency disposal measures must be taken immediately to prevent the situation from expanding. The hydrogen supply source must be immediately cut off to stop further leakage of hydrogen. Nearby personnel should be immediately evacuated away from the leakage site, and it should be ensured that no one stays in the leakage area. In addition, due to the extremely flammable nature of hydrogen, all possible ignition sources, including open flames, static electricity, and electric sparks, must be avoided at the leakage site, and good ventilation should be maintained.

[0004] Existing automatic emptying technologies for hydrogen containers usually use devices such as motor fans for emptying operations. However, this method has certain safety hazards. During the emptying process, the operation of devices such as motor fans may generate sparks, and hydrogen is an extremely flammable and explosive gas. Once it encounters a spark, an explosion accident may occur. Summary of the Invention

[0005] Embodiments of the present invention provide an automatic emptying system for gas leakage in a hydrogen container to solve the problem that existing technologies usually use devices such as motor fans for emptying operations, which have certain safety hazards.

[0006] On the one hand, embodiments of the present invention provide an automatic emptying system for gas leakage in a hydrogen container, including: Control module, container module. The control module includes a sensor group, a controller group, a hydrogen valve group, an emergency stop device group, an audible and visual alarm group, and an inert gas valve group. The sensor group, the hydrogen valve group, the emergency stop device group, the audible and visual alarm group, and the inert gas valve group are signal-connected to the controller group. The container module is provided with a hydrogen cylinder group and an inert gas cylinder group. The hydrogen valve group is arranged at the connection of each hydrogen cylinder in the hydrogen cylinder group. A plurality of inert gas valves are arranged on the cylinders of the inert gas cylinder group. A hydrogen output pipeline and a hydrogen input pipeline are arranged on the side of the container module. An inert gas input pipeline is also arranged on the side of the container module. An evacuation structure is arranged on the top of the container module. The evacuation structure is a rectangular protrusion. A plurality of evacuation openings are arranged in an array on the four side edges of the evacuation structure. The inert gas valve group is used to release the inert gas in the inert gas cylinder group to evacuate the interior of the container module.

[0007] In a possible implementation manner, the emergency stop device group and the audible and visual alarm group are arranged on the container module, and the audible and visual alarm group is connected to a user terminal through a wireless network.

[0008] In a possible implementation manner, the hydrogen cylinder group is movably arranged in the container module, and the inert gas cylinder group is fixedly arranged in the container module.

[0009] In a possible implementation manner, a temperature sensor and a hydrogen sensor are arranged in the sensor group, and a plurality of sensor groups are arranged in the container module.

[0010] In a possible implementation manner, a one-way valve is arranged on the evacuation opening, and the outlet of the one-way valve is arranged outside the container module.

[0011] In a possible implementation manner, the controller group is connected to the user terminal through a wireless network, and a visual control module unit is arranged on the user terminal.

[0012] An automatic evacuation system for hydrogen gas leakage in a hydrogen container in the present invention has the following advantages: (1) The sensor group and the controller group control the inert gas cylinder group to quickly release inert gas to discharge the leaked hydrogen out of the container module, and fill the container module with inert gas for protection.

[0013] (2) The audible and visual alarm group gives a warning alarm and transmits it to a remote user terminal through a wireless network. Description of the Drawings

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 It is a schematic structural diagram of an automatic emptying system for gas leakage in a hydrogen container provided by an embodiment of the present invention; Figure 2 It is a schematic diagram of a hydrogen cylinder group and an inert gas cylinder group of an automatic emptying system for gas leakage in a hydrogen container provided by an embodiment of the present invention; Figure 3 It is a schematic emptying structural diagram of an automatic emptying system for gas leakage in a hydrogen container provided by an embodiment of the present invention.

[0016] Explanation of the reference numerals in the figure: 1. Hydrogen cylinder group; 2. Inert gas cylinder group; 3. Emptying structure. Detailed implementation manners

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0018] Figure 1 It is a schematic structural diagram of an automatic emptying system for gas leakage in a hydrogen container provided by an embodiment of the present invention; An embodiment of the present invention provides an automatic emptying system for gas leakage in a hydrogen container, including: Control module, container module. The control module includes a sensor group, a controller group, a hydrogen valve group, an emergency stop device group, an audible and visual alarm group, and an inert gas valve group. The sensor group, hydrogen valve group, emergency stop device group, audible and visual alarm group, and inert gas valve group are signal-connected to the controller group. The container module is provided with a hydrogen cylinder group 1 and an inert gas cylinder group 2. The hydrogen valve group is arranged at the connection of each hydrogen cylinder of the hydrogen cylinder group 1. A plurality of inert gas valve groups are arranged on the cylinders of the inert gas cylinder group 2. A hydrogen output pipeline and a hydrogen input pipeline are arranged on the side of the container module. An inert gas input pipeline is also arranged on the side of the container module. An evacuation structure 3 is arranged on the top of the container module. The evacuation structure 3 is a rectangular protrusion. A plurality of evacuation openings are arranged in an array on the four side edges of the evacuation structure 3. The inert gas valve group is used to release the inert gas in the inert gas cylinder group 2 to evacuate the inside of the container module. The emergency stop device group and the audible and visual alarm group are arranged on the container module.

[0019] Exemplarily, as Figure 2 , 3 shown, a hydrogen cylinder group 1 and an inert gas cylinder group 2 are arranged in the container module. Among them, there are multiple groups of hydrogen cylinder groups 1 and one group of inert gas cylinder groups 2. Each hydrogen cylinder of the multiple groups of hydrogen cylinder groups 1 is connected in series, and an electric control valve of the hydrogen valve group is arranged at the connection part. The inert gas cylinder group 2 is arranged inside the container module. When the sensor group detects hydrogen leakage or abnormal temperature in the container module, it immediately starts the emergency stop device group through the controller group, first stops the operation of each part of the container module to prevent the appearance of dangerous elements such as sparks. At the same time, it alarms through the audible and visual alarm group, closes the connection valves of each hydrogen cylinder of the hydrogen cylinder group 1 through the hydrogen valve group, and opens the valves on the inert gas cylinder group 2 to release inert gas. The high-pressure inert gas is quickly released from the inert gas cylinders of the inert gas cylinder group 2, and the inert gas quickly fills the entire inside of the container module, discharging the leaked hydrogen through the evacuation openings of the evacuation structure 3 on the top of the container module. After the pressure of the inert gas cylinder group 2 is balanced with the pressure inside the container module, the inert gas stops releasing and fills the entire container module to form a protective layer. The hydrogen output pipeline and the hydrogen input pipeline are used to adjust the hydrogen in the entire hydrogen cylinder group 1 from the outside of the container module. The inert gas input pipeline is used to supplement inert gas to the inert gas cylinder group 2.

[0020] In a possible embodiment, the acousto-optic alarm group is connected to the user terminal via a wireless network. The hydrogen cylinder group 1 is movably arranged in the container module. The inert gas cylinder group 2 is fixedly arranged in the container module. The sensor group is provided with a temperature sensor and a hydrogen sensor. A plurality of sensor groups are arranged in the container module. A one-way valve is arranged on the exhaust port. The outlet of the one-way valve is arranged outside the container module. The controller group is connected to the user terminal via a wireless network. A visual control module unit is arranged on the user terminal.

[0021] Exemplarily, while the acousto-optic alarm group alarms, it also notifies the user terminal via a wireless network to facilitate the subsequent work after the personnel evacuate. The hydrogen cylinder group 1 can be fixed in the container module or movably installed in the container module. The inert gas cylinder group 2 is fixedly arranged in the container module. The specific number of settings is jointly determined by the volume of the container module and the volume of the inert gas stored in the inert gas cylinder group 2. A one-way valve is arranged on the exhaust port. After the inert gas cylinder group 2 starts to release inert gas, hydrogen is discharged from the container module through the one-way valve. After the inert gas cylinder group 2 finishes releasing, when the inert gas fills the entire container module, the one-way valve can prevent the outside air and hydrogen from flowing back, eliminating potential safety hazards. The user terminal can control the operation of the entire system remotely through the visual control module unit via the visual control interface, and manually control the emergency stop equipment group to restart the equipment or control the inert gas valve group on the inert gas cylinder group 2 to close and stop the release of inert gas.

[0022] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0023] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. An automatic evacuation system for gas leakage in a hydrogen container, characterized in that, include: A control module and a container module, wherein the control module comprises a sensor group, a controller group, a hydrogen valve group, an emergency stop device group, an audible and visual alarm group and an inert gas valve group, wherein the sensor group, the hydrogen valve group, the emergency stop device group, the audible and visual alarm group and the inert gas valve group are connected to the controller group by signals, wherein the container module is provided with a hydrogen bottle group (1) and an inert gas bottle group (2), wherein the hydrogen valve group is provided at the connection point of each hydrogen bottle of the hydrogen bottle group (1), wherein a plurality of inert gas valve groups are provided on the gas bottles of the inert gas bottle group (2), wherein a hydrogen output pipeline and a hydrogen input pipeline are provided on the side of the container module, wherein an inert gas input pipeline is also provided on the side of the container module, wherein an emptying structure (3) is provided on the top of the container module, wherein the emptying structure (3) is a rectangular parallelepiped protrusion, wherein a plurality of emptying ports are arranged on four sides of the emptying structure (3), and wherein the inert gas valve group is used to release the inert gas in the inert gas bottle group (2) to empty the interior of the container module.

2. The automatic emptying system for gas leakage of a hydrogen container according to claim 1, characterized in that, The emergency stop equipment group and the sound and light alarm group are arranged on the container module, and the sound and light alarm group is connected to the user terminal via a wireless network.

3. The automatic emptying system for gas leakage of a hydrogen container according to claim 1, characterized in that, The hydrogen cylinder group (1) is movably arranged in the container module, and the inert gas cylinder group (2) is fixedly arranged in the container module.

4. The automatic evacuation system for gas leakage of a hydrogen container according to claim 1, characterized in that, The sensor group is provided with a temperature sensor and a hydrogen sensor, and a plurality of the sensor groups are provided in the container module.

5. The automatic emptying system for gas leakage of a hydrogen container according to claim 1, wherein A one-way valve is arranged on the emptying port, and an outlet of the one-way valve is arranged outside the container module.

6. The automatic emptying system for gas leakage of a hydrogen container according to claim 2, characterized in that, The controller group is connected to the user terminal via a wireless network, and a visualization control module unit is provided on the user terminal.

Images