CN215814762U - Fire cause demonstration device - Google Patents

Abstract

The utility model relates to a fire cause demonstration device, comprising: the device comprises an insulator performance destruction test module, an electrical appliance test module, an inflammable ignition test module, a line overload test module and a simulated gas explosion test module; the device comprises an insulator performance destruction test module, an electrical appliance test module, an inflammable ignition test module, a line overload test module and a simulated gas explosion test module, wherein the insulator performance destruction test module, the electrical appliance test module, the inflammable ignition test module, the line overload test module and the simulated gas explosion test module are respectively arranged at preset positions of a preset shell; each module can demonstrate different types of fire occurrence processes. The application can demonstrate the emergence process of multiple conflagration, supports the user to learn the cause of multiple conflagration through the conflagration cause presentation device of this application for the conflagration cause presentation device function of this application is abundant.

Description

Fire cause demonstration device

Technical Field

The utility model relates to the technical field of fire cause learning equipment, in particular to a fire cause demonstration device.

Background

Fires can be harmful to human life safety, property safety and the natural environment. In order to reduce the frequency of fire occurrence, ensure the safety of human lives and properties and natural environment, the fire knowledge level of people, particularly the knowledge level of fire causes, can be improved.

At present, people can learn the knowledge of the fire cause by demonstrating the fire occurrence process through a fire cause demonstration device. However, the fire cause demonstration device of the related art can only demonstrate one fire, has a single function, and cannot meet the requirement that people need to learn multiple fire causes.

SUMMERY OF THE UTILITY MODEL

In view of this, a fire cause demonstration device is provided to solve the problem that the fire cause demonstration device of the related art can only demonstrate one fire, has a single function, and cannot meet the requirement of people for learning multiple fire causes.

The utility model adopts the following technical scheme

A fire cause demonstration apparatus comprising: the device comprises an insulator performance destruction test module, an electrical appliance test module, an inflammable ignition test module, a line overload test module and a simulated gas explosion test module;

the insulator performance destruction test module, the electrical appliance test module, the inflammable ignition test module, the line overload test module and the simulated gas explosion test module are respectively arranged at preset positions of a preset shell;

the insulator performance failure test module is a device for demonstrating fire caused by damage of an insulator in a circuit;

the electric appliance test module is a device for demonstrating fire caused by the fact that electric appliances are not used in a standard way;

the inflammable ignition test module is a device for demonstrating a fire caused by the fact that the temperature of the environment where the inflammable is located reaches the ignition point of the inflammable;

the line overload test module is used for demonstrating that the preset power-off protection device carries out power-off protection actions or line burnout due to line overload;

the simulated gas explosion test module is a device for demonstrating fire caused by non-standard use of a gas device.

Preferably, the insulation breakdown testing module comprises: the device comprises a first switch, a first indicator light, a bulb connecting device, a first voltmeter, a current meter and a first transformer;

the first end of the first switch is connected with an external power supply circuit, the second end of the first switch is connected with the first end of the first transformer, the first end of the first transformer is further connected with the first end of the first voltmeter, the second end of the first transformer is connected with the second end of the first voltmeter, the third end of the first transformer is connected with the first end of the first indicator light, the fourth end of the first transformer is connected with the second end of the first indicator light, the third end of the first transformer is further connected with the first end of the first ammeter, the second end of the first ammeter is connected with the first end of the bulb connecting device, and the second end of the bulb connecting device is connected with the fourth end of the first transformer.

Preferably, the electrical appliance test module comprises a second switch, a second indicator light, a socket, a first temperature sensing device, a second voltmeter, a second ammeter and a second transformer;

a first end of the second switch is connected with an external power supply circuit, a second end of the second switch is connected with a first end of the second transformer, the first end of the second transformer is also connected with the second end of the second voltmeter, the first end of the second voltmeter is connected with the second end of the second transformer, the third end of the second transformer is connected with the first end of the second indicator light, the fourth end of the second transformer is connected with the second end of the second indicator light, the first end of the second ammeter is connected with the first end of the second transformer, the second end of the second ammeter is connected with the first end of the socket, the second end of the socket is connected with the first end of the second voltmeter, the first end of the first temperature sensing device is connected with the first end of the second transformer, and the second end of the first temperature sensing device is connected with the second end of the second transformer.

Preferably, the electric appliance test module further comprises a heater;

the warmer is connected with the socket.

Preferably, the inflammable substance fire test module comprises a third switch, a third indicator light, a third transformer, a third voltmeter, a third ammeter, a second temperature sensing device and an airflow generator;

the first end of the third switch is connected with an external power supply circuit, the second end of the third switch is connected with the first end of the third transformer, the first end of the third transformer is further connected with the second end of the third voltmeter, the first end of the third voltmeter is connected with the second end of the third transformer, the third end of the third transformer is connected with the first end of the third indicator light, the second end of the third indicator light is connected with the fourth end of the third transformer, the first end of the third ammeter is connected with the third end of the third transformer, the second end of the third ammeter is connected with the first end of the airflow generator, the second end of the airflow generator is connected with the fourth end of the third transformer, and the first end of the second temperature sensing device is connected with the first end of the third transformer, and the second end of the second temperature sensing device is connected with the second end of the third transformer.

Preferably, in the fire cause demonstration apparatus of the present embodiment, the inflammable ignition test module further includes a metal tray;

the metal tray is arranged at the air outlet of the airflow generator and used for containing inflammable matters.

Preferably, the line overload test module comprises a sub-power selection module and a sub-result demonstration module;

the sub-power selection module is connected with the sub-result demonstration module;

the sub-power selection module is used for controlling the magnitude of current flowing to the sub-result demonstration module; and the sub-result demonstration module is used for demonstrating a corresponding result according to the magnitude of the current.

Preferably, the simulated gas explosion test module comprises a sub gas supply module and a sub ignition module;

the sub gas supply module is used for conveying gas to a preset gas storage device of the sub ignition module;

and the sub-ignition module is used for demonstrating the gas explosion process by igniting the gas in the preset gas storage device.

By adopting the technical scheme, the utility model provides a fire cause demonstration device, which comprises: the device comprises an insulator performance destruction test module, an electrical appliance test module, an inflammable ignition test module, a line overload test module and a simulated gas explosion test module; the insulator performance failure test module, the electrical appliance test module, the inflammable ignition test module, the line overload test module and the simulation gas explosion test module are respectively arranged at preset positions of the shell; the insulator performance failure test module is a device for demonstrating fire caused by damage of an insulator in a circuit; the electric appliance test module is a device for demonstrating fire caused by the nonstandard use of an electric appliance; the inflammable substance ignition test module is a device for demonstrating a fire caused by the fact that the temperature of the environment where the inflammable substance is located reaches the ignition point of the inflammable substance; the line overload test module is used for demonstrating the power-off protection action or line burnout of a preset power-off protection device caused by line overload; the simulated gas explosion test module is a device for demonstrating fire caused by non-standard use of a gas device. Based on this, this application can demonstrate the emergence process of multiple conflagration, supports the user to learn the cause of multiple conflagration through the conflagration cause presentation device of this application, and the function is abundant to and when the user need learn the cause of multiple conflagration, need not to go to purchase various types of conflagration cause presentation device, the cause of multiple conflagration alright in order to learn through the conflagration cause presentation device of this application, make the conflagration cause presentation device of this application be favorable to improving user's learning efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a fire cause demonstration apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of an insulation breakdown testing module according to an embodiment of the present invention.

Fig. 3 is a schematic circuit diagram of an electrical appliance testing module according to an embodiment of the present invention.

Fig. 4 is a schematic circuit diagram of a combustible fire test module according to an embodiment of the utility model.

Fig. 5 is a schematic circuit diagram of a line overload test module according to an embodiment of the present invention.

FIG. 6 is a schematic circuit diagram of a gas explosion simulation test module according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Fig. 1 is a schematic structural diagram of a fire cause demonstration apparatus according to an embodiment of the present invention. As shown in fig. 1, the fire cause demonstration apparatus of the present embodiment includes: the device comprises an insulator performance destruction test module 11, an electrical appliance test module 12, an inflammable ignition test module 13, a line overload test module 14 and a simulated gas explosion test module 15.

The insulation performance destruction test module 11, the electrical appliance test module 12, the inflammable ignition test module 13, the line overload test module 14 and the simulated gas explosion test module 15 are respectively arranged at preset positions of a preset shell. Specifically, the preset housing may include a bottom plate and a plurality of partitions perpendicular to the bottom plate. The bottom plate is used for supporting an insulator performance failure test module 11, an electrical appliance test module 12, an inflammable ignition test module 13, a line overload test module 14 and a simulated gas explosion test module 15. The isolation is used for isolating the insulator performance destruction test module 11, the electrical appliance test module 12, the inflammable ignition test module 13, the line overload test module 14 and the simulated gas explosion test module 15 from each other. In order to facilitate the movement of the fire cause demonstration device of the embodiment, a pulley structure can be added on the bottom plate.

The insulator performance destruction test module 11 is a device for demonstrating fire caused by damage of an insulator in a circuit; the electric appliance test module 12 is a device for demonstrating fire caused by the fact that electric appliances are not used in a standard way; the inflammable ignition test module 13 is a device for demonstrating a fire caused by the fact that the temperature of the environment where the inflammable is located reaches the ignition point of the inflammable; the line overload test module 14 is a device for demonstrating that a preset power-off protection device performs power-off protection actions or line burnout due to line overload; the simulated gas explosion test module 15 is a device for demonstrating fire caused by non-standard use of a gas device.

This embodiment adopts above technical scheme, a conflagration cause of formation presentation device includes: the device comprises an insulator performance destruction test module, an electrical appliance test module, an inflammable ignition test module, a line overload test module and a simulated gas explosion test module; the insulator performance failure test module, the electrical appliance test module, the inflammable ignition test module, the line overload test module and the simulation gas explosion test module are respectively arranged at preset positions of the shell; the insulator performance failure test module is a device for demonstrating fire caused by damage of an insulator in a circuit; the electric appliance test module is a device for demonstrating fire caused by the nonstandard use of an electric appliance; the inflammable substance ignition test module is a device for demonstrating a fire caused by the fact that the temperature of the environment where the inflammable substance is located reaches the ignition point of the inflammable substance; the line overload test module is used for demonstrating the power-off protection action or line burnout of a preset power-off protection device caused by line overload; the simulated gas explosion test module is a device for demonstrating fire caused by non-standard use of a gas device. Based on this, this application can demonstrate the emergence process of multiple conflagration, supports the user to learn the cause of multiple conflagration through the conflagration cause presentation device of this application, and the function is abundant to and when the user need learn the cause of multiple conflagration, need not to go to purchase various types of conflagration cause presentation device, the cause of multiple conflagration alright in order to learn through the conflagration cause presentation device of this application, make the conflagration cause presentation device of this application be favorable to improving user's learning efficiency.

Fig. 2 is a schematic circuit diagram of an insulation breakdown testing module according to an embodiment of the present invention. As shown in fig. 2, the insulation breakdown testing module includes: a first switch 21, a first indicator light 22, a bulb connection 23, a first voltmeter 24, an ammeter 25, and a first transformer 26.

A first end of the first switch 21 is connected to an external power supply circuit, a second end of the first switch 21 is connected to a first end of the first transformer 26, the first end of the first transformer 26 is further connected to a first end of the first voltmeter 24, a second end of the first transformer 26 is connected to a second end of the first voltmeter 24, a third end of the first transformer 26 is connected to a first end of the first indicator light 22, a fourth end of the first transformer 26 is connected to a second end of the first indicator light 22, a third end of the first transformer 26 is further connected to a first end of the first ammeter 25, a second end of the first ammeter 25 is connected to a first end of the bulb connecting device 23, and a second end of the bulb connecting device 23 is connected to a fourth end of the first transformer 26.

Specifically, when the bulb connection device 23 includes three sets of contact points, the brightness change of the bulb is observed by controlling the bulb to contact the three sets of contact points at different degrees. The electric conduction capability of the conductor is known by observing the change of the brightness of the bulb. In addition, after the insulator in the insulator performance destruction test module is destroyed, the circuit is on fire, and through demonstration of the process, after the user learns that the insulator in the circuit is destroyed, the circuit is easy to cause fire, so that the user can understand safe electricity utilization, and the fire is avoided.

Fig. 3 is a schematic circuit diagram of an electrical appliance testing module according to an embodiment of the present invention. As shown in fig. 3, the electrical appliance testing module of the present embodiment includes a second switch 31, a second indicator light 32, a socket 33, a first temperature sensing device 34, a second voltmeter 35, a second ammeter 36 and a second transformer 37.

A first end of the second switch 31 is connected to an external power supply circuit, a second end of the second switch 31 is connected to a first end of the second transformer 37, a first end of the second transformer 37 is further connected to a second end of the second voltmeter 35, a first end of the second voltmeter 35 is connected to a second end of the second transformer 37, a third end of the second transformer 37 is connected to a first end of the second indicator light 32, a fourth end of the second transformer 37 is connected to a second end of the second indicator light 32, a first end of the second ammeter 36 is connected to a first end of the second transformer 37, a second end of the second ammeter 36 is connected to a first end of the socket 33, a second end of the socket 33 is connected to a first end of the second voltmeter 35, a first end of the first temperature sensing device 34 is connected to a first end of the second transformer 37, a second terminal of the first temperature sensing device 34 is connected to a second terminal of the second transformer 37.

In particular, the electric appliance is an electric appliance for generating heat in the prior art, and can be, for example, a heater, an oven and an induction cooker in the prior art. In one particular example, the appliance is a warmer. When the warmer works, if inflammable substances are covered on the surface of the warmer, the temperature of the covered place can gradually rise, and the first temperature sensing device 34 can sense the temperature value. When the temperature rises to the point of ignition of the combustibles, a fire can be caused. Through the process, the user can learn the cause of the type of fire, and further, the user can understand that the electric appliance is required to be used normally so as to avoid the fire.

Preferably, the electrical appliance testing module of the present embodiment further includes a heater; the warmer is connected with the socket.

Fig. 4 is a schematic circuit diagram of a combustible fire test module according to an embodiment of the utility model. As shown in fig. 4, the inflammable substance fire test module of the present embodiment includes a third switch 41, a third indicator lamp 42, a third transformer 43, a third voltmeter 44, a third ammeter 45, a second temperature sensing device 46, and an airflow generator 47.

Wherein, the first end of the third switch 41 is connected to an external power supply circuit, the second end of the third switch 41 is connected to the first end of the third transformer 43, the first end of the third transformer 43 is further connected to the second end of the third voltmeter 44, the first end of the third voltmeter 44 is connected to the second end of the third transformer 43, the third end of the third transformer 43 is connected to the first end of the third indicator lamp 42, the second end of the third indicator lamp 42 is connected to the fourth end of the third transformer 43, the first end of the third ammeter 45 is connected to the third end of the third transformer 43, the second end of the third ammeter 45 is connected to the first end of the airflow generator 47, the second end of the airflow generator 47 is connected to the fourth end of the third transformer 43, the first end of the second temperature sensing device 46 is connected to the first end of the third transformer 43, a second terminal of the second temperature sensing device 46 is connected to a second terminal of the third transformer 43.

Preferably, the inflammable substance fire test module further comprises a metal tray; the metal tray is arranged at the air outlet of the airflow generator and used for containing inflammable matters.

In particular, the airflow generator 47 may be a fan as known in the art. The wind power is transmitted to the metal tray through the fan to simulate the air flow change condition in the natural environment. When the fan stops rotating, ignited paper scraps or cigarette ends and inflammable matters are put into the metal tray, and the ignited paper scraps or cigarette ends are slowly burnt and even extinguished. When the fan is in a rotating state, ignited paper scraps or cigarette ends and inflammable matters are placed in the metal tray, the ignited paper scraps or cigarette ends are burnt, and even the inflammable matters beside the ignited paper scraps or cigarette ends are ignited. Through the demonstration process, a user can understand that when burning objects such as ignited cigarette ends or paper scraps are thrown on the ground at will, other inflammable objects in the environment can be easily ignited, so that a fire disaster is caused, and the user can understand that burning objects such as ignited paper scraps or cigarette ends are not required to be thrown away at will, so that the fire disaster is prevented.

Preferably, the line overload test module comprises a sub-power selection module and a sub-result demonstration module; the sub-power selection module is connected with the sub-result demonstration module; the sub-power selection module is used for controlling the magnitude of current flowing to the sub-result demonstration module; and the sub-result demonstration module is used for demonstrating a corresponding result according to the magnitude of the current.

Fig. 5 is a schematic circuit diagram of a line overload test module according to an embodiment of the present invention. As shown in fig. 5, the line overload test module of the present embodiment includes a 32A circuit breaker 511, a 1A circuit breaker 512, a fourth voltmeter 513, an end button 514, a start button 515, a normally closed relay 516, an end indicator 517, a start indicator 518, a fourth transformer 519, a first normally open relay 520, a relay start coil 521, a second normally open relay 522, a contactor start coil 523, an ammeter 524, an inductor 525, a live terminal 526, a neutral terminal 527, and a contactor 528. The connection relationship of the devices is shown in fig. 5.

In detail, when the 32A breaker switch is turned off and the 1A breaker switch is turned on, the start button 515 is pressed, and the 1A breaker is automatically turned off; when the 1A breaker switch is closed, the 32A breaker switch is opened, the start button 515 is pressed, and the wires connected to the live wire terminal 526 and the zero wire terminal 527 are observed, and the wires are subjected to smoke and melt along with the extension of the test time. Through the experimental process, a user can know whether the rated power of the electric appliance needs to be known and whether the circuit can bear the electric appliance or not when the electric appliance is selected, so that related types of fire disasters can be prevented.

Preferably, the simulated gas explosion test module comprises a sub gas supply module and a sub ignition module; the sub gas supply module is used for conveying gas to a preset gas storage device of the sub ignition module; and the sub-ignition module is used for demonstrating the gas explosion process by igniting the gas in the preset gas storage device.

FIG. 6 is a schematic circuit diagram of a gas explosion simulation test module according to an embodiment of the present invention. As shown in fig. 6, the simulated gas explosion test module of the present embodiment includes a fourth switch 61, a gas supply device 62, a gas path control device 63, a gas path control device switch 64, a flame generation device 65, and a flame generation device switch 66. The connection relationship of the devices is shown in fig. 6.

In detail, the fourth switch 61 is closed, the gas supply device 62 supplies gas to the preset gas storage device of the flame generation device 65, and after the gas is supplied, the gas in the preset gas storage device is ignited by the flame generation device 65, so that an explosion effect is formed. Through this demonstration process, the user is made aware that the closing of the gas valve should be remembered after the use of the gas, otherwise a fire is likely to occur.

Wherein, the preset gas storage device is a closed gas storage device.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (8)

1. A fire cause demonstration apparatus comprising: the device comprises an insulator performance destruction test module, an electrical appliance test module, an inflammable ignition test module, a line overload test module and a simulated gas explosion test module;

the insulator performance destruction test module, the electrical appliance test module, the inflammable ignition test module, the line overload test module and the simulated gas explosion test module are respectively arranged at preset positions of a preset shell;

the insulator performance failure test module is a device for demonstrating fire caused by damage of an insulator in a circuit;

the electric appliance test module is a device for demonstrating fire caused by the fact that electric appliances are not used in a standard way;

the inflammable ignition test module is a device for demonstrating a fire caused by the fact that the temperature of the environment where the inflammable is located reaches the ignition point of the inflammable;

the line overload test module is used for demonstrating that the preset power-off protection device carries out power-off protection actions or line burnout due to line overload;

the simulated gas explosion test module is a device for demonstrating fire caused by non-standard use of a gas device.

2. A fire cause demonstration apparatus as claimed in claim 1 wherein said insulation failure test module comprises: the device comprises a first switch, a first indicator light, a bulb connecting device, a first voltmeter, a first ammeter and a first transformer;

the first end of the first switch is connected with an external power supply circuit, the second end of the first switch is connected with the first end of the first transformer, the first end of the first transformer is further connected with the first end of the first voltmeter, the second end of the first transformer is connected with the second end of the first voltmeter, the third end of the first transformer is connected with the first end of the first indicator light, the fourth end of the first transformer is connected with the second end of the first indicator light, the third end of the first transformer is further connected with the first end of the first ammeter, the second end of the first ammeter is connected with the first end of the bulb connecting device, and the second end of the bulb connecting device is connected with the fourth end of the first transformer.

3. A fire cause demonstration apparatus as claimed in claim 1 wherein the appliance testing module comprises a second switch, a second indicator light, a socket, a first temperature sensing device, a second voltmeter, a second ammeter and a second transformer;

a first end of the second switch is connected with an external power supply circuit, a second end of the second switch is connected with a first end of the second transformer, the first end of the second transformer is also connected with the second end of the second voltmeter, the first end of the second voltmeter is connected with the second end of the second transformer, the third end of the second transformer is connected with the first end of the second indicator light, the fourth end of the second transformer is connected with the second end of the second indicator light, the first end of the second ammeter is connected with the first end of the second transformer, the second end of the second ammeter is connected with the first end of the socket, the second end of the socket is connected with the first end of the second voltmeter, the first end of the first temperature sensing device is connected with the first end of the second transformer, and the second end of the first temperature sensing device is connected with the second end of the second transformer.

4. A fire cause demonstration apparatus as claimed in claim 3 wherein the appliance testing module further comprises a warmer;

the warmer is connected with the socket.

5. The fire cause demonstration device according to claim 1, wherein the combustibles fire test module comprises a third switch, a third indicator light, a third transformer, a third voltmeter, a third ammeter, a second temperature sensing device and an airflow generator;

the first end of the third switch is connected with an external power supply circuit, the second end of the third switch is connected with the first end of the third transformer, the first end of the third transformer is further connected with the second end of the third voltmeter, the first end of the third voltmeter is connected with the second end of the third transformer, the third end of the third transformer is connected with the first end of the third indicator light, the second end of the third indicator light is connected with the fourth end of the third transformer, the first end of the third ammeter is connected with the third end of the third transformer, the second end of the third ammeter is connected with the first end of the airflow generator, the second end of the airflow generator is connected with the fourth end of the third transformer, and the first end of the second temperature sensing device is connected with the first end of the third transformer, and the second end of the second temperature sensing device is connected with the second end of the third transformer.

6. The fire cause demonstration device according to claim 5, wherein said combustibles fire test module further comprises a metal tray;

the metal tray is arranged at the air outlet of the airflow generator and used for containing inflammable matters.

7. A fire cause demonstration apparatus as claimed in claim 1 wherein said line overload test module comprises a sub-power selection module and a sub-result demonstration module;

the sub-power selection module is connected with the sub-result demonstration module;

the sub-power selection module is used for controlling the magnitude of current flowing to the sub-result demonstration module; and the sub-result demonstration module is used for demonstrating a corresponding result according to the magnitude of the current.

8. A fire cause demonstration apparatus as claimed in claim 1 wherein the simulated gas explosion test module comprises a sub gas supply module and a sub ignition module;

the sub gas supply module is used for conveying gas to a preset gas storage device of the sub ignition module;

and the sub-ignition module is used for demonstrating the gas explosion process by igniting the gas in the preset gas storage device.

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