49 results about "Auto ignition" patented technology

The utility model relates to a detachable economical torch which comprises a barrel body, one end of the barrel body is installed and fixed through a foundation bolt, the other end of the barrel body is provided with a burner assembly, the burner assembly is fixedly provided with an ignition barrel assembly, the ignition barrel assembly is connected with one end of a fuel gas valve set, and the fuel gas valve set is fixedly arranged on the barrel body. An air discharging inlet is formed in the cylinder body and is communicated with the combustor assembly; a thermocouple and an ignition rod are further fixedly arranged on the combustor assembly, the thermocouple is electrically connected with the local control box through a thermocouple cable, and the ignition rod is electrically connected with the ignition box through an ignition cable. The torch is high in integration level and convenient to disassemble, and can be automatically ignited at any time in an emptying state.

The utility model belongs to mechanical equipment technical field, concretely relates to an automatic candle and candle system, the automatic candle, include: candle body, high -voltage generator, metal pipe and insulating heat -proof pipe, the high -voltage generator is located in the candle body, the high -voltage generator is equipped with first electrode and second electrode, the metal pipe is located in the candle body, the top end of metal pipe protrudes the top of candle body, the metal pipe is used as gas supply line and its bottom end is connected with the first electrode of high -voltage generator, the insulating heat -proof pipe is sleeved in the metal pipe outside, the second electrode of high -voltage generator is set up in the outside of insulating heat -proof pipe, the utility model discloses through high -voltage generator, metal pipe and so on structure design, has realized the automatic ignition function of candle, need not manual use lighter or match, has improved the convenience and security of use.

An automatic ignition-type beverage smoking device comprises a main body, a base seat and an automatically-igniting apparatus, wherein the base seat is rotatably disposed on the main body, and the automatically-igniting apparatus is accommodated inside the main body, and the automatically-igniting apparatus includes an ignition needle, at least part of which penetrates the fixing frame; a drawer unit is detachably set inside the base seat, and the ignition needle pokes into a burning chamber, so that smoke generated by burning combustibles diffuses to the outside through a smoke releasing hole. The automatic ignition-type beverage smoking device makes it possible to not only improve convenience and safety, but also achieve efficiently producing smoke and easily cleaning.

The utility model discloses an automatic ignition device for float glass flue waste gas, which relates to the technical field of tail gas treatment and comprises a plurality of groups of refractory bricks, high alundum tubes are arranged at the tops of the refractory bricks, fixing mechanisms used for being fixed in pipelines are arranged at the tops of the high alundum tubes, and wiring terminals are arranged at the tops of the fixing mechanisms. A plurality of adjusting assemblies are arranged on the circumferential outer wall of the fixing mechanism and used for being suitable for pipelines of different specifications. Ignition needles are arranged at the bottoms of the refractory bricks and located in the high-alundum tube. The float glass waste gas pipeline sealing device is simple in structure, the inner walls of float glass waste gas pipelines of different specifications can be stably fixed and sealed, and the ignition needle is controlled to automatically ignite under the synergistic effect of the thermocouple sensor and the infrared gas sensor, so that the operation danger of workers is reduced. And the occurrence of flue explosion accidents is effectively prevented, so that the safety and the reliability of the device are greatly improved.

The invention discloses a welding preheating treatment device for a large-diameter pipe joint. The welding preheating treatment device comprises a support, a heat treatment assembly and an integrated control system. The supporting seat is provided with a supporting part with adjustable supporting width so as to be suitable for pipe joints with different diameters; the supporting part comprises a rolling piece which is driven by the driving motor to drive the pipe joint to rotate. The heat treatment assembly is arranged at the welding end and comprises a heat insulation cover, a supporting frame, a flame nozzle and a flow control valve. The heat shield is of an arc-shaped structure with the adjustable curvature and is stably supported on the outer side of the welding end through a supporting frame. The flame nozzle is arranged in the heat insulation cover and externally connected with a gas pipeline, and gas supply is adjusted through the flow control valve. The integrated control system controls starting, stopping and operating power of the driving motor, automatic ignition of the flame nozzle and opening, closing and opening degree of the flow control valve in a centralized mode, and welding preheating automatic operation is achieved. The device is high in automation degree, high in processing precision, wide in applicability and safe and reliable in operation, and the comprehensive benefits of pipe joint welding preheating are improved.

The invention belongs to the technical field of automatic ignition of hydrogen chloride synthetic furnaces, and particularly relates to an automatic ignition preparation system and method for a hydrogen chloride synthetic furnace, and the system comprises a hydrogen pipeline control and detection valve group, a chlorine pipeline control and detection valve group, an automatic ignition gun control and detection device, a nitrogen replacement valve group and a synthetic furnace main body process detection device, the DCS control system is connected with the main control system; according to the automatic ignition preparation system for the hydrogen chloride synthetic furnace, a hydrogen pipeline control and detection valve group, a chlorine pipeline control and detection valve group, an automatic ignition gun control and detection device, a nitrogen replacement valve group and a synthetic furnace main body process detection device are integrated, a DCS (Distributed Control System) is matched, and a dual mode of program automatic judgment and manual confirmation is adopted; the safety and the ignition success rate of the automatic ignition process are improved, the process and automation of preparation items before ignition are realized, the explosion accident of the synthetic furnace caused by misoperation of personnel or improper confirmation is effectively avoided, and the production safety is guaranteed.

The utility model provides a tubular heating furnace burner assembly with an automatic ignition function, which comprises a main control panel and a plurality of groups of burners, the main control panel is provided with a plurality of groups of burner control and display components, and each group of burner control and display component is respectively connected with the corresponding burner; and each group of combustors comprises a pulse igniter, a thermocouple electromagnetic valve, an ignition probe and a combustor nozzle. After an ignition switch is started, a pulse igniter discharges, an ignition probe forms electric sparks near a burner nozzle, meanwhile, a fuel gas adjusting valve is opened, and ignition can be completed, so that the ignition time is saved, the one-time ignition success rate is increased, and the stability of technological parameters of a heating furnace is guaranteed; fluctuation of technological parameters such as flow, temperature and pressure of a heating furnace system caused by long-time unsuccessful ignition is avoided, and unqualified product quality of the device is influenced. By adding the thermocouple induction needle, the thermocouple electromagnetic valve can be cut off immediately when the heating furnace flames out, and safe and stable operation of the device is protected.

The utility model relates to an adjustable automatic ignition electrode, which belongs to the technical field of ignition electrodes, and comprises an automatic ignition electrode main body, a height adjusting module and a locking mechanism, the automatic ignition electrode main body comprises a negative electrode ignition needle, a positive electrode ignition needle, an induction needle, an equipment shell, a positioning nut and a high-voltage generator connecting wire, the negative ignition needle, the positive ignition needle and the induction needle can be installed on the equipment shell through positioning nuts and are all connected with electrode connecting wires, and the electrode connecting wires are connected with a high-voltage generator connecting wire. According to the adjustable automatic ignition electrode, the electrode height can be adjusted through the height adjusting module, so that the adjustable automatic ignition electrode can be accurately matched with different gas devices, the ignition success rate is increased, the whole ignition electrode is of a quick-release structure, deposited carbon is convenient to detach and clean or parts are convenient to replace, and the position maintenance is more convenient; and the locking mechanism is arranged, so that displacement in use can be prevented, and potential safety hazards caused by arc deviation can be avoided.

The application provides an energy-saving burner and relates to the technical field of liquefied gas burners, which comprises a burner outer fire cover, a burner inner fire cover, an induction ignition device and a standby mechanical ignition device. The bottom of the burner outer fire cover is provided with an assembly hole for mounting the burner inner fire cover. The burner inner fire cover comprises a combustion zone, an ignition zone and a gas supply pipe. The induction slide rod adjusts the opening degree of the second adjusting valve through the fire adjusting mechanism during downward translation. The second electric spark column extends to the ignition zone from the end of the piezoelectric ceramic body. The application can automatically reduce the flame intensity of the stove after the object leaves the stove. The application can also automatically ignite through the weight of the object. The two sets of ignition devices in the application can complement each other to meet the ignition requirements in different scenes, ensure the normal work of the stove, reduce the operation difficulty of the stove, effectively save the liquefied gas and save energy and protect the environment.

The utility model belongs to the technical field of intelligent storage, and particularly relates to a single-source-driven automatic ignition intelligent ashtray which comprises a shell, a cover body, an ignition mechanism and a driving mechanism. The cover body is rotationally connected to the shell; the ignition mechanism is arranged on the cover body; the driving mechanism is arranged on the shell and is used for driving the cover body to rotate and move; wherein the ignition mechanism rotates and moves along a preset path along with the cover body in the moving process of the cover body. The igniter and the cover body are designed to be of a synchronous moving structure, the mechanical layout of a traditional intelligent ashtray is effectively simplified, a complex driving assembly needed by independent lifting of the igniter is abandoned, and the operation stability of equipment is remarkably improved.

The utility model provides a wireless intelligent ignition device for coal underground ignition, which comprises a shell, a heating rod and a gas supply pipe, a temperature detection module is arranged on the heating rod, a gas component detection module is arranged on the gas supply pipe, the heating rod is connected with a heating component, the gas supply pipe is connected with a gas supply component, and a battery pack is arranged in the shell. A dragging device is further arranged at the rear end of the shell, the battery pack is connected with a charging butt joint module, and an electric quantity digital display sensing module and a data analysis joint control module are further arranged on the battery pack. The heating rod, the heating assembly, the gas supply pipe and the gas supply assembly are arranged in the shell, and smooth ignition is guaranteed; the temperature detection module and the gas component detection module can adjust the temperature of the heating rod in time, damage to the heating rod caused by too high temperature is avoided, and gas inlet of the gas inlet pipe is adjusted according to the detected gas content; the dragging device can move underground and return to be charged when the electric quantity is insufficient, and automatic ignition, moving and charging of the device are achieved.

The invention discloses an automatic ignition method and system applied to a hot-metal ladle scrap steel baking device, and belongs to the technical field of steel smelting, and the automatic ignition method comprises the steps that a power source of the hot-metal ladle scrap steel baking device is started; power is supplied based on a power source of the hot-metal ladle scrap steel baking device, and a low-pressure baking-hot rod arranged in the hot-metal ladle scrap steel baking device is preheated by igniting a high-temperature-resistant cable; when preheating of the low-pressure baking-hot rod is completed and a preset ignition condition is met, a fuel gas supply mechanism and a compressed air mechanism of the hot-metal ladle scrap steel baking device are triggered to convey fuel gas and compressed air to an ignition area correspondingly, and combustible mixed gas is formed; and high-pressure sparks generated by the ignition burner act on the surface of the low-pressure searing rod to ignite the combustible mixed gas, so that automatic ignition of the hot-metal ladle scrap steel baking device is realized. Rapid and uniform heating is achieved, energy consumption caused by long open fire is reduced, the baking efficiency is improved, field manual operation is reduced, the operation risk is reduced, and the safety of overall operation is improved.

The utility model discloses a deflagration type automatic ignition device which comprises a bottom plate and a shell, the top end of the bottom plate is provided with the shell, the inner wall of the top end of the shell is fixedly connected with a control circuit board, the outer side of the control circuit board is connected with a cable, the outer wall of the cable is provided with a connecting assembly, and the connecting assembly is fixedly connected with the shell. According to the deflagration ignition device, a cable can be wound on the two cross rods and tensioned, then the arc-shaped pressing plate is pushed upwards to drive the first stop lever to move, the first stop lever is matched with the barrel to extrude the spring, the spring is pressed, the spring is fixed, and the cable can be fixed through the fixing mechanism, so that the deflagration ignition device is convenient to use and high in practicability. When the cable is wound and knotted, the spring is elastically deformed, then the end part of the cable is moved below the arc-shaped pressing plate, and the arc-shaped pressing plate is loosened, so that the arc-shaped pressing plate can tightly press the cable through the elastic property of the spring, the cable is not easy to wind and knot, and the cable can be conveniently used next time.

This invention discloses an intelligent moxibustion device, belonging to the field of moxibustion therapy equipment. The device includes multiple independently configured moxa smoke generating boxes, each with an air inlet and a smoke outlet. A flow-controlling fan is installed at the air inlet. Inside each box is a retractable moxa holder, equipped with a mesh plate and an automatic ignition mechanism. The automatic ignition mechanism uses a ceramic heating plate connected to the energizing component via an active separation mechanism. This mechanism includes a shape memory alloy spring and a release body, automatically disconnecting the circuit after the moxa stick is ignited by thermal deformation to prevent damage to the main circuit from continuous heating. The outer side of the moxa holder has upper and lower sealing plates. When inserted, the upper sealing plate is driven by a connecting frame to seal against the inner wall of the moxa smoke generating box; it automatically separates when removed. The device also includes a central control unit and a concentration sensor, allowing independent adjustment of the fan speed in each box for precise multi-point smoke supply. It effectively prevents smoke leakage and supports multi-channel independent control, ensuring safety and reliability.

This application discloses a debugging method, system, equipment, and medium for a multi-stream burner in a hot blast stove, relating to the technical field of industrial hot blast stove combustion equipment. The method includes: acquiring a pressure value associated with the burner; verifying the pressure value associated with the burner when a debugging request for burner startup is received in the hot blast stove; performing an electrical function verification on the burner if the pressure value verification is successful; determining whether the burner is in manual mode if the electrical function verification is successful; controlling the burner to perform staged manual ignition and combustion debugging according to a preset first ignition sequence if the staged manual ignition and combustion debugging are successful; determining whether the burner is in automatic mode if the burner is in automatic mode; and controlling the burner to perform automatic ignition and operation monitoring according to a preset second ignition sequence and flame detection logic if the automatic mode is successful.

This utility model discloses a four-in-one synthesis furnace system, including a four-in-one synthesis furnace, a control system, and a conveying system. The four-in-one synthesis furnace is connected to a plate heat exchanger, an alkali absorption tower, an automatic ignition device, a steam flash tank, and a forced circulation tank. The steam flash tank is connected to a wastewater sampling cooler at its end, and the alkali absorption tower is connected to a liquid alkali circulation tank at its end. The alkali absorption tower is used for deep treatment of unreacted hydrogen chloride gas and other harmful gases generated during the synthesis reaction, belonging to the field of hydrochloric acid production technology. This four-in-one synthesis furnace system ignites the raw material gas using an automatic ignition device, cools the gas using a plate heat exchanger, discharges the synthesis gas into a water tank for absorption, and treats the tail gas using an alkali absorption tower. By integrating multiple processes into one unit, it reduces intermediate connecting links and equipment, shortens the process flow, makes the production layout more compact, and effectively saves floor space.

The utility model discloses an automatic ignition component for ever-burning fire of an open flow pool, which comprises a PLC (programmable logic controller) master control and a high-voltage generator, the PLC master control is connected with the high-voltage generator through a first control wire harness and is connected with a power supply module through a second control wire harness, and the power supply module is connected with the high-voltage generator through a third control wire harness. The power supply module is connected with an electric control cabinet through a third control wire harness, the PLC master controller is connected with a flame sensor through a fourth control wire harness, the flame sensor is arranged above or inside a blowout pool, the high-voltage generator is connected with a plasma ignition rod, and the plasma ignition rod is connected with the PLC master controller. And an ignition burner is arranged at the head part of the plasma ignition rod. According to the long open fire automatic ignition assembly of the open flow pool, intelligent remote control ignition can be achieved, on-site operation of personnel is not needed, harm of poisonous and harmful gas can be effectively avoided, and the use safety is improved.

The utility model discloses an automatic ignition device for a continuous casting slab, which relates to the technical field of ignition devices, and comprises a gun body with a pipe structure, a mounting seat and a nozzle, the mounting seat and the nozzle are respectively arranged at two ends of the gun body, the mounting seat is connected with a mixed gas pipe, one end of the mixed gas pipe is communicated with the gun body, and the other end of the mixed gas pipe is communicated with the nozzle. The other end of the mixed gas pipe is connected with a gas connector, a ceramic cyclone head and a wabbler are sequentially arranged in the nozzle in the gas flowing direction, a lengthened sparking plug is fixedly arranged in the installation base, the positive electrode of the lengthened sparking plug extends into the nozzle and penetrates through the ceramic cyclone head to be connected with the wabbler, and the negative electrode of the lengthened sparking plug extends into the nozzle. A spark area is formed between the wabbler and the inner wall of the nozzle, a fire damper is fixedly arranged on the outer side of the nozzle, the ignition position is arranged in the nozzle, the ignition position is far away from the fuel gas outlet with high pressure, sparks can be generated at multiple positions through the wabbler, and the ignition success rate is increased.

The utility model belongs to heat treatment equipment technical field more specifically relates to a quenching furnace exhaust chimney automatic ignition device, including the combustion chamber on the exhaust chimney, the air inlet pipe that connects in the combustion chamber and the igniter that connects in the combustion chamber, the air inlet pipe burns on the outside of exhaust chimney, and the inside and outside surface that corresponds winding air inlet pipe in exhaust chimney all is provided with the heat conducting layer, the air inlet of air inlet pipe is connected with the fan, the winding part of air inlet pipe is located above the combustion chamber, and the heat exchange is carried out between air inlet pipe and exhaust chimney, improves the air temperature to improve the combustion efficiency in the combustion chamber, avoids the oil vapour condensation hanging wall.

The invention discloses fruit and flower young fruit anti-freezing smoke generation equipment based on temperature control automatic ignition, and relates to the field of fruit tree meteorological disaster protection, and the fruit and flower young fruit anti-freezing smoke generation equipment comprises a central controller, a plurality of environment monitoring units distributed in an orchard, a plurality of distributed smoke generation units and a communication network, wherein the environment monitoring unit is used for collecting real-time environment data of the position where the environment monitoring unit is located, and the environment data at least comprises air temperature and humidity, wind direction and wind speed; the smoke generating units are arranged in an orchard in a group mode, and each group comprises four ignition devices arranged in a cross shape. The central controller is connected with each environment monitoring unit and the smoke generation unit through a communication network and is used for executing a quick response mode based on a real-time wind direction and a fusion decision mode based on a prediction model; according to the anti-freezing smoke generation device, environmental data fusion, risk prediction and point control are deeply combined, and advanced early warning and fixed-point processing of frost risks can be achieved.

The utility model relates to a kind of melt combustor with automatic ignition device. Including combustor body, including at least one row of flame spout being spaced along its length direction;Ignition device includes ignition head, temperature rising module and linear drive mechanism, temperature rising module can be at least raised to the ignition temperature of fuel mixture after starting ignition head temperature, linear drive mechanism drives ignition head to move along the length direction of combustor body to sequentially pass each flame spout, fuel mixture of flame spout is ignited by ignition head, can automatically complete the ignition of each flame spout, without manual intervention, with the advantages of safe and efficient.

The utility model relates to the technical field of sulfur recovery devices, in particular to an automatic ignition device for main combustion of a sulfur recovery device, which comprises a combustion furnace and a combustor fixed at the end of the combustion furnace, a pneumatic ignition gun is fixedly mounted on the outer wall of the combustor, and the air inlet end of the pneumatic ignition gun is connected with a factory air inlet pipe. An air pipeline is fixedly installed on the outer wall of the combustor, the air pipeline and the outer wall of the factory air inlet pipe are jointly connected with a connecting sleeve, a first filter screen is arranged on the inner wall of the connecting sleeve, a plurality of connecting rods are fixedly installed on the inner wall of the first filter screen, the ends of the connecting rods are fixedly connected with a second filter screen, and an air inlet cavity is formed between the first filter screen and the second filter screen. The second filter screen is of a conical structure, and the tip of the second filter screen faces the air inlet of the connecting sleeve. By adopting the mode that the double filter screens are used for filtering in sequence, the service life of the filter screens can be prolonged, the blocking risk is reduced, and meanwhile the gas flowing resistance can be reduced through the arrangement of the gas inlet cavity.

A portable stove and a burner for the portable stove are provided. The portable stove may have a wind guard for protecting the flame of the burner of the portable stove. The wind guard may include an elastic arched member and a plurality of legs attached to the elastic arched member for attaching the wind guard to the cooking pot of the portable stove. The burner may have an igniter having an active configuration and an inactive configuration. A rotatable control knob can control the operation of a fuel flow control valve and the igniter. An ignition lever is interposed between the control knob and the igniter, and the ignition lever is interposed such that rotation of the control knob from the ON position to the ignition position moves the ignition lever from the released position to the operating position, and the igniter moves from the inactive configuration to the active configuration.

The utility model discloses a flame gun. The problem that an existing flame gun is troublesome to operate is solved. The device comprises a shell, and further comprises a gas tank arranged in the shell; the gasification furnace is arranged on the shell; the air outlet assembly comprises a mounting piece, an air outlet pipe, an air outlet needle and a springboard; the ignition device comprises an ignition switch and a first circuit board, and the ignition switch is connected with the first circuit board and controls ignition through the first circuit board; and the adjusting piece rotates to drive the gas outlet pipe to move relative to the mounting piece to adjust the gas outlet amount and enable the ignition switch to switch ignition. The automatic ignition device has the advantages that the adjusting piece is arranged, the ignition switch can be switched and the gas output can be adjusted when the adjusting piece rotates, the adjusting piece can be rotated with one hand, automatic ignition and flame size control can be achieved, the two hands are liberated, and operation is convenient.

The invention relates to the technical field of data test processing, and discloses a fire characteristic parameter simulation test platform comprising a gas supply system used for providing stable propane gas supply; the burner system is used for completing automatic ignition and generation of a fire scene according to the control signal; the measuring system comprises various sensors including a thermocouple, a thermocouple tree, a heat flow meter, a camera and an anemometer; the data acquisition and processing system is used for processing the fire characteristic parameters in real time and constructing a database; the safety guarantee system monitors the concentration of combustible gas in the environment in real time, triggers an alarm signal when the concentration is abnormal and transmits the alarm signal to the combustion control system; and the combustion control system drives the combustor system to adjust the gas flow and the valve opening degree in real time. Fire scene simulation and data acquisition and analysis can be completed on the same platform at the same time, the flame scale, the combustion intensity and the duration time can be accurately adjusted under the control system, the experiment safety risk is greatly reduced, and the experiment is more environmentally friendly, safer and controllable.

The invention discloses an automatic oxygen burning and flow drawing device and method for continuous casting, and belongs to the technical field of metallurgical continuous casting equipment. The device is used for solving the problems of poor safety, low efficiency, insufficient precision and the like caused by dependence on manual oxygen burning drainage when the lower nozzle of the steel ladle is blocked. The device mainly comprises a rotary positioning module which is composed of a rotary base, a support and a wrapping arm and used for achieving overall rotary centering; the oxygen burning execution module comprises a steel pipe, an oxygen pipe, an igniter and an inductor, and oxygen conveying and automatic ignition are achieved; the transmission control module (consisting of a motor, a roller and a slag baffle) drives the steel pipe to reciprocate up and down to carry out flow extraction; and the safety protection module (a shell and a slag baffle) is used for effectively isolating high-temperature molten steel and hot slag from splashing. The method comprises the five stages of preparation, positioning, ignition, oxygen burning and flow drawing and resetting, ignition is triggered through an inductor, feeding is controlled through a motor, and induction-positioning-ignition-feeding integrated automatic linkage is achieved. According to the invention, automatic detection, accurate positioning and efficient dredging of the blockage of the drain hole are realized, the operation safety and the production efficiency are remarkably improved, and the equipment damage risk is reduced. The device is compact in structure, modular in design, convenient to maintain and suitable for steel ladles of different specifications. The method can be widely applied to a continuous casting production line and has a good industrial application prospect.

The utility model discloses a converter alloy baking accident ignition device which comprises a coal gas channel, the first end of the coal gas channel communicates with a coal gas inlet, the second end of the coal gas channel is connected to an accident ignition accompanying burner located in an alloy discharging valve, and an accident ignition control valve set used for controlling on-off of coal gas is arranged on the coal gas channel. The accident ignition accompanying burner is located below the in-furnace burner, and the accident ignition accompanying burner is used for being ignited when the accident ignition control valve set is in the open state so as to ignite the in-furnace burner. According to the converter alloy baking equipment and the converter alloy baking accident ignition device thereof, in the converter steelmaking process, when the automatic ignition device breaks down, ignition operation can be carried out instead of the automatic ignition device, so that it is guaranteed that the alloy baking equipment continuously and stably operates, and baking is not interrupted; therefore, the labor intensity of equipment maintenance personnel and post operation personnel is reduced, the production cost is reduced, the converter steelmaking efficiency is improved, and the safety of ignition operation can also be improved.

This invention discloses an automatic goaf sealing method. An automatic ignition device is installed within the goaf, comprising a battery and a connected conductive circuit. The conductive circuit includes an upper contact plate and a lower contact plate connected to the positive and negative terminals of the battery via wires. The upper contact plate is fixed to the goaf roof, and the lower contact plate is positioned directly below it. A metal pipe is connected to the wire connected to the lower contact plate. An automatic roadway sealing device is also provided, comprising a sealing door and a suspension device. The suspension rope of the suspension device passes through the metal pipe, and the section through which it passes is made of flammable material and coated with flammable material. When the goaf roof sinks to the point where the upper and lower contact plates contact, the conductive circuit is activated, the metal pipe heats up, ignites the flammable material, and burns the suspension rope. The sealing door automatically falls, sealing the roadway connected to the goaf. This method allows for timely sealing of the goaf, effectively preventing disasters and avoiding safety hazards, and eliminates the need for personnel patrols.

The utility model provides an anti-scald environment-friendly automatic ignition device for a coal charging car, which relates to the field of ignition devices for top-charging coke oven coal charging cars and comprises a base, a fixing frame is arranged on the upper side of the base, a fixing table is arranged at the upper end of the fixing frame, a hydraulic cylinder is mounted at the upper end of the fixing table, an actuator is mounted on the outer side of the fixing table, and the hydraulic cylinder is connected with the actuator. An igniter is connected to the piston rod end of the hydraulic cylinder, an oil pipe is connected to the lower end of the igniter, an oil storage tank is connected to the lower end of the oil pipe, a dust removal device is arranged on the upper side of the igniter and comprises a dust suction cover, a suction pipe is connected to the outer side of the dust suction cover, and a smoke sucker is connected to the other end of the suction pipe; and meanwhile, a purification box is connected to the outer side of the range hood, a trigger assembly is arranged on the upper side of the base and comprises a fixing plate, and a damping limiting stopper and a proximity sensor are arranged on one side of the fixing plate. The automatic ignition device has the advantages that the automatic ignition is realized in the coal charging process of the coal charging car, and the combustion smoke can be conveniently dedusted.