32 results about "Deflagration" patented technology

The invention belongs to the technical field of safety prevention and control of flammable and explosive environments, and particularly relates to an explosion suppression grading protection system and method, and the system comprises a monitoring module which monitors the environment information in a to-be-monitored area; the signal processing module is used for generating a grading early warning instruction according to the environment information; the explosion suppression execution module is used for executing an explosion suppression action according to the grading early warning instruction; and the reset module is used for generating reset information so as to reset the explosion suppression execution module. On the basis of cooperation of the monitoring module, the signal processing module and the explosion suppression execution module, corresponding explosion suppression actions can be automatically triggered, manual intervention is not needed, a complete and rapid safety protection closed loop from risk perception to active suppression is achieved, the speed and reliability from risk discovery to active intervention are remarkably improved, and the safety protection effect is improved. And the safety risk of the to-be-monitored area is greatly reduced. Based on the cooperation of the reset module, the signal processing module and the explosion suppression execution module, the standby state can be quickly recovered after explosion suppression is completed, the maintenance steps are simplified, and the use cost is reduced.

The application provides a hydrogen-doped natural gas explosion characteristic experiment device in a confined space, which comprises a pipeline system and a gas distribution system, the pipeline system comprises a driving pipe, a visible pipe and a test pipe arranged in sequence, the gas distribution system comprises a vacuum pump, an electric control valve group and a gas cylinder pipeline connected with each electric control valve in the electric control valve group, and the gas distribution system is connected with the driving pipe through a gas inlet. The hydrogen-doped natural gas explosion accident characteristic evolution and inhibition experiment of different hydrogen proportions can be carried out, and important characteristic parameters in the deflagration and detonation flame propagation process of the hydrogen-doped natural gas can be recorded.

This application belongs to the field of flammable and explosive environment safety control technology, and particularly relates to a graded explosion suppression protection system and method. The system includes: a monitoring module for monitoring environmental information within the monitored area; a signal processing module for generating graded early warning commands based on the environmental information; an explosion suppression execution module for executing explosion suppression actions according to the graded early warning commands; and a reset module for generating reset information to reset the explosion suppression execution module. Based on the cooperation of the monitoring module, signal processing module, and explosion suppression execution module, corresponding explosion suppression actions can be automatically triggered without manual intervention, realizing a complete and rapid safety protection closed loop from risk perception to proactive suppression. This significantly improves the speed and reliability from risk detection to proactive intervention, greatly reducing the safety risk in the monitored area. Based on the cooperation of the reset module with the signal processing module and explosion suppression execution module, the system can quickly return to standby status after explosion suppression, simplifying maintenance steps and reducing operating costs.

The present invention relates to the technical field of spherical oxide fillers and provides a method for simultaneously producing nano- and submicron-sized spherical oxide fillers. In this invention, an oxide raw material (raw material O) is combined with a metal or non-metal raw material (raw material M), thereby reducing the reactivity of the raw material and reducing the risk of uncontrollable dust explosions, thereby achieving safe production. At the same time, raw material O is vaporized under high-temperature conditions to form nano-sized particles, or is dispersed into nano-sized particles by the shock waves generated by deflagration. Raw material M reacts with oxygen in an oxygen-rich environment, forming submicron-sized particles through aggregation and cooling. The resulting product particles are cooled in an oxygen-rich environment and then subjected to a fine separation step, thereby simultaneously obtaining submicron-sized and nano-sized spherical oxide fillers. Furthermore, in this invention, after the temperature in the reactor stabilizes, fuel gas consumption can be minimized, thereby stabilizing the temperature in the reactor and reducing costs.

The utility model relates to a gas burner technical field, concretely relates to a kind of guide plate for mixing, including integrally-formed center ring part and outside ring part, the outside ring part is concentrically arranged with center ring part, center ring part forms the center through-hole matched with deflector, the edge of center through-hole is provided with several deflector mouth, when mixed gas of gas and air is transported to the below of guide plate from gas extraction pipeline, from deflector mouth place to rise to the above of guide plate.The utility model optimizes the structure of guide plate, and mixed gas of guide gas extraction pipeline is guided into the mixed cavity in the above, helps to realize the uniform stable flow of gas, has promoting effect for subsequent stable combustion, to improve the efficiency of combustion, avoid deflagration and eliminate explosion.

The application discloses a gas extraction pipe self-degreasing double-circuit deflagration flame arrestor, which comprises a double-circuit self-degreasing device and a combustion explosion flame arrestor connected to a gas pipeline, wherein the double-circuit self-degreasing device comprises two branch circuits connected in parallel, and each branch circuit is provided with a filter, a pressure detection mechanism and a circuit electromagnetic valve, which are used for controlling the closing of the branch circuit under the condition that the pressure difference of the branch circuit reaches a pressure difference critical value, and controlling the opening of the branch circuit under the condition that the pressure difference of the other branch circuit reaches the pressure difference critical value. The combustion explosion flame arrestor comprises a gas pipeline and a transverse flame arrestor and explosion relief membrane net, a temperature sensor and an electromagnetic valve device arranged in the gas pipeline, which are used for controlling the closing of the gas pipeline under the condition that the temperature of the gas in the pipeline reaches a temperature critical value. The application adopts the pressure detection mechanism and the circuit electromagnetic valve, realizes the double-circuit self-switching in the process of filtering mixed impurities, and can significantly reduce the labor cost.

An explosion-proof cyclone filter device relates to the field of waste gas treatment technology in monocrystalline silicon production. It includes: an inner cylinder; an outer cylinder fitted around the outer periphery of the inner cylinder, forming a sealed cooling chamber between them; a cooling water pipe installed within the cooling chamber and spirally coiled around the outer wall of the inner cylinder; and an air inlet pipe sealed and connected to the inner cylinder. The cooling water pipe extends from both ends of the outer cylinder, facilitating the introduction of cooling water. This rapidly reduces the temperature of the inner cylinder and red phosphorus dust to below the auto-ignition point of red phosphorus (260°C), thus eliminating the risk of spontaneous combustion of the red phosphorus dust due to high temperatures. Simultaneously, by introducing gas, the cooled red phosphorus dust in the inner cylinder undergoes an oxidation reaction with the gas, thereby achieving the harmless treatment of the red phosphorus dust. The combination of cooling and oxidation effectively prevents explosions during cleaning, thus avoiding damage to the cyclone filter and personal safety hazards to on-site personnel, and preventing fire accidents.

An energy storage system (ESS) (100) knock and heat propagation mitigation method (700) and corresponding systems (500, 600) prevent and optionally extinguish fire in an ESS container (110). The method (700) uses a gas detection system (500), a smoke and temperature detection system (600), and a fire suppression system (430). The gas detection system (500) opens the vent (126) in response to detecting a concentration of the gas that reaches or exceeds a threshold concentration. If desired, after venting the container (110), the smoke and temperature detection system (600) closes the vent (126) and activates the fire suppression system (430) in response to detecting both the presence of smoke and a temperature that reaches or exceeds a threshold temperature.

The present application relates to a kind of solid deflagration expansion fixed type ultrasonic wave drilling anchoring device and method, belong to ultrasonic wave drilling anchoring technical field.Solve the problem of insufficient anchoring force.It includes feeding device and drilling anchoring device, the feeding device is established with drilling anchoring device cooperation, feeding device is used to drive drilling anchoring device, drilling anchoring device is used to realize fixed.The present application when reaching certain drilling depth, solid fuel in the end of drill pipe cavity is ignited by electrode, ignites solid fuel nitrocellulose, occurs violent combustion and explosion, produces a large amount of energy, and the end of drill pipe is extruded and deformed;Deformed expansion cavity will extrude the inner wall of borehole, produce certain expansion force, provide larger effective anchoring force for the whole device, realize the fixation of the whole device, provide larger anchoring force for sampler under simple structure.

A method (700) for mitigating deflagration and thermal spread in an energy storage system (ESS) (100) and corresponding systems (500, 600) prevent and, if necessary, suppress fires in ESS containers (110). The method (700) utilizes a gas detection system (500), a smoke and temperature detection system (600), and a fire suppression system (430). The gas detection system (500) opens a vent (126) when it detects that a gas concentration reaches or exceeds the threshold concentration. If required after the container (110) has been vented, the smoke and temperature detection system (600) can close the vent (126) and activate the fire suppression system (430) when both the presence of smoke and a temperature reaching or exceeding a threshold temperature are detected.

The utility model relates to a gas burner technical field, concretely relates to a kind of gas jet device, including support main body, support main body is connected with several gas supply components and several gas supply channels, at least one gas supply channel is connected with at least two gas supply components to provide gas.The utility model improves the setting mode of gas supply channel, supplies gas simultaneously by multiple gas supply components, improves the directionality of gas supply, is convenient to form uniform stable airflow, improves the stability and reliability of combustion, avoids the occurrence of deflagration and explosion during combustion.

The invention relates to an anti-deflagration method for a circulating aluminum scrap smelting furnace. Safe operation is guaranteed through multiple interlocking and purging mechanisms. Comprising the steps that layered feeding management is conducted, the distance between a material pile and a burner opening is required to be larger than or equal to 1.5 m, and enough combustion space is guaranteed; step-by-step purging triggering is conducted, and forced purging is automatically started for 180-240 seconds according to the furnace temperature and the flameout frequency; valve control safety interlocking adopts a signal feedback electromagnetic valve, and strictly follows the start-stop sequence of'air before air '; leakage detection monitoring is carried out in the whole process, gas pipelines are automatically detected every day, and a combustion system is regularly maintained. According to the method, systematic prevention and control are achieved from the three aspects of process operation, combustion control and equipment maintenance, and the detonation risk is effectively eradicated.

This utility model relates to the field of gas burner technology, specifically to a flow divider plate for the mixing chamber of a burner. It includes an intermediate cylinder with an annular panel at its upper end. A plurality of air holes are evenly distributed along the circumference of the annular panel, extending obliquely from the lower surface to the upper surface of the annular panel. By optimizing the flow divider plate structure, this utility model guides the gas entering the mixing chamber of the burner, ensuring a stable flow and combustion from the lower chamber to the upper chamber. This avoids uneven gas flow or backflow, thus preventing deflagration during ignition and popping noises during ignition shutdown, thereby guaranteeing stable combustion.

The invention provides a coal dust deflagration simulation test device and method, the coal dust deflagration simulation test device comprises a test bin body, an ignition assembly and a monitoring member, the test bin body comprises a test base and a simulation bin, the simulation bin is detachably connected with the base, the simulation bin is also provided with a first observation window, and the ignition assembly is detachably connected with the first observation window in the height direction of the test bin body. The test bin body is provided with a first simulation area and a second simulation area, the first simulation area is located in the simulation bin, the second simulation area is located on the test base, the first simulation area and the second simulation area are used for arranging coal samples, the ignition assembly comprises a first ignition part and a second ignition part, the first ignition part is arranged in the first simulation area, and the second ignition part is arranged in the second simulation area; the first ignition part and the second ignition part are used for igniting explosives, and the monitoring part is arranged close to the first observation window and used for observing and recording the explosion process in the test bin body through the first observation window. The coal dust detonation simulation test device has the advantages of controllable test parameters and high data accuracy.

The utility model relates to a super short flame combustor for top combustion type hot blast stove, can effectively solve the problem of the combustion period dome dead zone CO concentration high resulting in combustion explosion phenomenon, further resulting in dome damage and gas nozzle damage, its solved technical scheme is, the combustor body is by the arc wall body of vault lower part and the straight section wall body connected in vault lower part constitutes, is provided with gas entrance on the outer side wall of straight section wall body, is equipped with gas ring road in the straight section wall body corresponding to gas entrance, and the gas ring road is linked together with the mixed combustion spout of corresponding straight section wall body inner wall on several rows along the circumference and is set up, is provided with air inlet on the outer side wall of arc wall body of vault lower part, the utility model cuts the gas and air fully and subdivides, adopts the mixed spout in the burner and ignites and burns, and the dome area CO of combustion period is lower than 1.5 ten thousand PPM, far lower than the gas and air mixed ignition concentration, can effectively eliminate the existence of deflagration, is the innovation on the combustor.

The utility model relates to a pulverized coal leakage emergency treatment device based on DCS (Distributed Control System) interlocking control, which belongs to the technical field of heat energy power, and comprises a pulverized coal bunker, a detection device, a spraying execution device, a DCS control system and an auxiliary safety device, the detection device consists of a dust sensor, a temperature sensor and a pressure sensor, and is used for monitoring the pulverized coal leakage condition in real time; the spraying execution device comprises a spraying pipeline and a self-cleaning spraying head and is used for dust falling treatment during leakage; the DCS control system realizes interlocking control of each component through the PLC controller and the LoRa communication module; by means of multi-mode leakage detection and interlocking control, the coal powder leakage monitoring system can quickly respond to coal powder leakage events, reduce dust diffusion, prevent deflagration and explosion and guarantee site safety.

The invention relates to the technical field of distribution boxes, in particular to a distribution box with an explosion-proof device, which comprises a box body with good sealing performance, a carbon dioxide storage tank and a control module are arranged in the box body, and the control module is electrically connected with a temperature trigger assembly, an impact force trigger assembly, a buzzer and a flash lamp. The carbon dioxide storage tank is communicated with an alarm triggering assembly, the alarm triggering assembly is communicated with an exhaust valve assembly through a gas conveying pipe, the exhaust valve assembly is connected with an impact force triggering assembly through a transmission assembly, the transmission assembly is connected with a driving motor, and the driving motor is electrically connected with a control module. Monitoring and alarming of high temperature and deflagration of the distribution box are achieved, the distribution box can be cooled and extinguished conveniently in time, fire outbreak is avoided, and the distribution box has wide application prospects in the technical field of distribution boxes.

The application discloses a variable-frequency pulse detonation ash cleaning device with a self-adaptive pressure relief function, and belongs to the cleaning field.The variable-frequency pulse detonation ash cleaning device comprises a two-stage self-adaptive pressure relief device and a detonation ash cleaning structure; the airflow converging tube, the self-adaptive return spring, the thrust roller bearing, the two-stage pressure relief main body and the two-stage pressure relief shell are sequentially positioned and connected along the axial direction of the main flow channel; the detonation ash cleaning structure comprises a one-stage pressure relief section, a mixing section, an ignition section and a detonation chamber provided with a Shchelkin spiral which are in communication; the oxidant is branched by the two-stage self-adaptive pressure relief device, mixed with the fuel at the equal-diameter throat of the mixing inner cylinder, and the explosive mixed gas is generated; under the regulation of the ignition system, simultaneous and time-sharing ignition is realized to form the deflagration flame, the stable self-sustaining detonation wave is obtained by the Shchelkin spiral, and the ash is cleaned by the detonation wave; the high-temperature and high-pressure gas generated by the detonation is returned to the upstream, a part of the gas is released through the one-stage pressure relief section, the remaining gas is collected into the two-stage self-adaptive pressure relief device and drives the main body to perform spiral ascending movement, the high-pressure gas is discharged when the gas discharge channel of the two-stage pressure relief main body and the two-stage pressure relief shell is coincident, the flow relief is realized, and the influence of the detonation back transmission on the normal working of the ash cleaning device is reduced.

This invention discloses an intelligent temperature control method for solid waste treatment furnaces based on multi-stage combustion, specifically relating to the field of intelligent furnace temperature control technology. It involves acquiring the initial ignition temperature distribution of solid waste by installing a laser-induced breakdown spectroscopy device at the feed inlet, calculating the temperature distribution coefficient, and obtaining a deflagration risk index to predict the deflagration risk. When a deflagration risk exists, reverse pressure pulse technology is used to promptly release shock waves to suppress the drastic temperature rise caused by deflagration. The method monitors the temperature gradient change of the refractory material, calculates the equivalent thermal stress of the refractory material, promptly identifies thermal stress concentration problems caused by excessive temperature gradients, and obtains the thermal stress safety margin of the refractory material to provide data support for the control system. Based on the thermal stress safety margin of the refractory material and the deflagration risk index, a fuzzy logic algorithm is used to output temperature rise rate adjustment commands and air volume adjustment commands, automatically optimizing the furnace's temperature control behavior. This ensures a slow temperature rise while preventing sudden deflagration.

The present application provides a kind of energy-saving acetylene shock wave soot blower, comprising: for carrying out deflagration generator;For the blast after the flow of ejection port discharge;For controlling the communication state of the generator and the ejection port control unit;And for quantitative delivery mixed gas into the gas unit of the generator;The control unit controls the generator and the ejection port communication distance after ignition in generator after the generator is opened completely by the control unit, so that the gas in the generator after deflagration is ejected through the ejection port;By setting adjustable seal, the communication of generator and furnace body is controlled, by setting damping element in drive assembly, the seal and soot blower are buffered protection, by setting gas balance unit, the mixed gas is balanced and the gas pipeline is protected, the safety hazard and the problem of not enough energy saving in the working process of soot blower are solved.

The utility model provides a kind of protective box for anti-explosion fluorescent oxygen analyzer, it is related to protective box technical field, including explosion-proof box main body, analyzer main body and explosion-proof valve, explosion-proof box main body includes installation shell, two door main bodies are equipped with in the side of installation shell, the bottom of installation shell is fixedly installed with base.The utility model is measured when oxygen by inductor, explosion-proof box combines explosion-proof valve and other components to form protective system, explosion-proof box is isolated by heat-insulating blanket explosion high temperature radiation, reduce external temperature and reduce internal heat accumulation, delay equipment damage, iron wire net enhances the strength of box body, fixed heat-insulating blanket, inhibit the splashing of debris, disperse flame energy to hinder deflagration when explosion, rear explosion-proof valve is through movable plate when explosion, instantaneously release overpressure, prevent box body to break, reduce explosive power and keep structure intact, effectively isolate dangerous area, reduce personnel and equipment safety risk.

The invention provides a shock wave induced deposition dust secondary explosion flame flow field testing device and method.The device comprises a gas explosion section, a dust laying section, an ignition mechanism, a shock wave generating mechanism and a data collecting and processing system, the gas explosion section and the dust laying section are connected in a communicated mode, and the data collecting and processing system is specifically a computer with preset processing software; and the data acquisition module is used for acquiring image and pressure data in the testing process of the gas explosion section and the dust laying section, and analyzing and processing. The device can be used for various experiments such as combustible gas explosion, combustible dust explosion, shock wave winding dust secondary explosion, explosion suppression, explosion venting and the like in a pipeline; the influence rules of factors such as dust concentration, dust stacking position and state, fuel gas equivalence ratio, shock wave pressure, pipeline length and type, diaphragm shape and the like on particle winding dynamics, explosion pressure and macroscopic flame characteristics in the dust secondary explosion process are analyzed; the dust raising-ignition-deflagration dynamic evolution process and the coupling mechanism of the dust particles under shock wave induction are explored.

The utility model provides a wellhead structure of preventing falling into pipeline, including integrative first part and second part, first part top has well lid, lower part side has first opening with second part intercommunication, second part bottom has second opening with shaft intercommunication, its characterized in that: having baffle at first opening, baffle links with well lid through cable, the sidewall of first part has ladder. According to the wellhead structure of preventing falling of the utility model, can prevent the occurrence of falling, deflagration danger under the premise of low cost, without electricity, not affecting the application of overhauling, also carries out low carbon treatment application to the flammable and explosive gas discharged in well, reduces environmental pollution.

The application discloses a vortex wave flow resistance fire resistance performance test experimental device and method, and the device comprises a visual square explosion pipeline, a vortex wave impedance type attenuation cavity system, a fire resistance system, an adjustable high-pressure ignition system, a high-frequency response explosion suppression system, a high-precision gas distribution system and a multi-parameter acquisition system. The device can realize visual research on the deflagration-to-detonation transition of non-uniform concentration gradient hydrogen, control the flame propagation speed and shock wave intensity entering the attenuation cavity, optimize the structure parameters of the attenuation cavity and establish an explosion parameter theoretical attenuation model. Through the change rule of the explosion resistance characteristics of the fire resistance device under multiple parameters, a quantitative relationship between the shock wave, flame propagation attenuation and the structure parameters of the fire resistance device is established, and quantitative analysis is conducted on the explosion resistance performance of the fire resistance device, the attenuation efficiency of the attenuation cavity and the quenching mechanism. The application fills the technical gaps in the deflagration-to-detonation transition mechanism of hydrogen under non-uniform concentration gradient, the flame and shock wave coupling attenuation mechanism and the quantitative characterization of the fire resistance device with multiple structure parameters.

The application belongs to the technical field of combustion, and provides a heating furnace nitrogen sealing ignition method, which comprises the following steps: confirming the ignition section based on an ignition instruction, confirming the closed state of the coal gas section valve and the burner valve of the gas inlet section, if the valve state confirmation result comprises that the coal gas section valve and the burner valve are both closed, closing the nitrogen gas blowing of the ignition section, opening the coal gas section valve of the ignition section to a first opening degree, keeping the nitrogen gas blowing of other gas inlet sections except the ignition section, then opening the burner valve, igniting the burner port corresponding to the ignition section, and if the ignition is successful, closing the nitrogen gas blowing of other gas inlet sections. By combining the nitrogen gas blowing and the ignition process, the degree of automation of ignition can be effectively improved, the ignition quality can be effectively improved, the risk of deflagration can be reduced, and the labor cost can be reduced. The method has the characteristics of ingenious idea, high degree of automation, wide adaptation range, and good risk control effect.

The utility model relates to fire -resisting technology field, and specifically disclose a kind of sealed pipeline fire arrester of anti-explosion, by fire -resisting device design, by filter plate to the impurity in flame is filtered, protect fire -resisting structure, stable medium flow, avoid the risk of " detonation", fire -resisting frame body is fixed to fire -resisting element, by fire -resisting element to this play through " flame quenching mechanism, directly cut off flame propagation, through " block backfire path", prevent flame reverse ignition, guarantee the balance of medium circulation and fire -resisting function, sealing device is arranged at the outside of fire -resisting shell, by sealing device to this play the leakage diffusion of blocking explosive medium or flame, contain accident expansion, block " unburnt combustible medium leak, prevent external deflagration, stop " high temperature flame / flue gas leak, prevent external fire, maintain the working environment of fire -resisting core, ensure that fire -resisting efficiency is not ineffective, limit airflow direction.

The application discloses a composite cracking device based on electric explosion-CO2 phase change-powder deflagration time sequence superposition and a cracking method thereof. The design of the composite cracking device organically integrates electric explosion shock wave, liquid CO2 phase change expansion energy and metal powder deflagration chemical energy into three energy sources. Through special energy conversion and time sequence control structure, the three energies are sequentially superimposed and released in the order of electric explosion-CO2 phase change-powder deflagration. The composite cracking device realizes organic synthesis and time sequence control release of the three energies. The technical scheme of the application avoids the inhibition of CO2 heat absorption on powder deflagration, realizes step-by-step amplification of energy, accurately controls the time interval of energy release, ensures that shock waves chase and superimpose in space propagation process in turn, and forms a composite wave with a higher peak value.

This invention relates to the field of boiler equipment technology, and particularly to a method, device, equipment, and medium for micro-oil ignition protection in boiler equipment. The protection method includes: activating the micro-oil ignition mode of the burner when the valve on the supply pipeline is in the open state; acquiring the micro-oil ignition state of the burner and the combustion state of the boiler in real time during the micro-oil ignition mode; and determining that fuel accumulation conditions are met based on the micro-oil ignition state and combustion state, and then controlling the valve on the supply pipeline to be in the closed state. This invention, by monitoring the micro-oil ignition state of the burner and the combustion state of the boiler, forcibly closes the valve on the supply pipeline when both conditions are determined to meet fuel accumulation conditions, thus preventing the accumulation of unburned fuel, such as pulverized coal, in the boiler furnace from the source, thereby avoiding serious safety accidents such as deflagration caused by the accumulation of unburned pulverized coal in the boiler furnace.

The utility model relates to a gas burner technical field, concretely relates to an efficient burner of upper air inlet, including a plurality of with gas supply assembly cooperation's injection channel, injection channel mutually supports and forms the cyclone convergence chamber, is provided with the guide plate for guiding gas to flow upwards on the cyclone convergence chamber, is provided with the apron above the guide plate, and the apron cover is established in the guide plate rear and forms the annular gas mixing chamber, is provided with the splitter plate in the gas mixing chamber, and the splitter plate divides the gas mixing chamber into the upper chamber and lower chamber, the utility model discloses the structure of the injection channel of the burner and the structure of the gas mixing chamber above are improved, make the stable uniform cyclone after gas enters from outside, after entering the gas mixing chamber, can form the uniform stable combustion that is guided to the apron, effectively avoid the deflagration and the explosion phenomenon in the ignition combustion process, help to promote the efficiency of combustion, guarantee the safe and reliable of combustion.

The utility model discloses a detonation flaming device for rifle tactical simulation training, which comprises a combustion chamber arranged at the front end of a rifle shell, and a combustion improver supply device, a combustible gas supply device and an ignition device are arranged in the rifle shell. The gas outlet end of the combustion improver supply device and the gas outlet end of the combustible gas supply device communicate with the combustion chamber through gas pipelines correspondingly, and a high-voltage lead of the ignition device extends into the combustion chamber. The gas stove further comprises a controller, the controller is connected with a power supply device, and the combustion improver supply device, the combustible gas supply device and the ignition device are all connected with the controller. In cooperation with the shooting action of the rifle, the controller controls the mixed gas of the combustible gas and the combustion improver to detonate in the combustion chamber and make detonating sound, so that the ammunition combustion process generated in the real gun bullet shooting process is simulated, the simulation process is closer to a real gun live ammunition, the simulation experience is improved, and a better training effect is obtained.