169results about "Combustion ignition" patented technology

The invention discloses a DCS (Distributed Control System)-based ignition and temperature rise mode of a copper anode slime roasting rotary kiln, which specifically comprises the following steps of: setting initial control conditions, drawing a temperature rise curve according to a target temperature, a temperature rise period and a temperature rise gradient, and then starting ignition preparation. Before natural gas is introduced into the combustion chamber for combustion, rotary kiln operation and combustion-supporting air purging are carried out, after purging is carried out for a period of time, combustion-supporting air and natural gas are introduced for ignition at the same time, and meanwhile the ignition condition is judged through a monitor. And if ignition fails, under the condition of no abnormity, purging can be repeated, and natural gas is introduced for re-ignition. According to the method, the natural gas flow and the combustion-supporting air volume are automatically controlled by the DCS according to the drawn temperature rise curve. The system has the beneficial effects that multiple ignition conditions can be controlled at the same time, remote automatic ignition is achieved, the ignition condition is fed back in time, the natural gas flow is flexibly controlled, the combustion temperature is controlled, the ignition effect of the rotary kiln is guaranteed, and meanwhile production operation safety of the rotary kiln is guaranteed.

The invention discloses a medium and long distance projection type ignition device for forests, and belongs to the technical field of field ignition, the medium and long distance projection type ignition device for forests comprises a launching tube assembly, a pneumatic propelling system, an ethylene glycol liquid injection system, a combustion ball ammunition supply mechanism, a trigger assembly and an operating handle, a sliding sleeve is arranged on the launching tube assembly, and the launching tube assembly is movably installed on the operating handle through the sliding sleeve; the pneumatic propelling system is detachably and fixedly connected with the operating handle, and the pneumatic propelling system is communicated with the launching tube assembly through a high-pressure gas pipeline; the ethylene glycol liquid injection system is detachably and fixedly connected with the transmitting tube assembly, and an injection port of the ethylene glycol liquid injection system corresponds to an inner cavity of the transmitting tube assembly; a ball falling hole is formed in the bottom of the combustion ball supply mechanism; and the trigger assembly is linked with a control valve of the pneumatic propulsion system. The remote ignition device is suitable for various scenes such as forest fire prevention, ecological burning, power transmission line obstacle removal and the like, and is a remote ignition tool which has the advantages of remote projection, accurate control, safety, reliability and convenience in maintenance.

A flame out candle system and method for automatically retracting and extinguishing a wick flame. The system includes a candle, a wick, and a puck assembly. The candle includes a bore to receive the wick, and a cavity to receive the puck assembly. The puck assembly can include a motor driven power screw or spur gears associated with spaced apart pinion gears. The puck assembly is removable from the candle for reuse in another candle. A wick engaging member can be operatively associated with the power screw for linear movement that is transferred to the wick. The pinion gears can be engageable with a rack gear positioned therebetween so rotation of the pinion gears translates into linear motion of the wick. A computer system can be utilized to control the motor based on a time signal, an activation signal, a sensor signal or any wireless signal.

The present invention refers to a barbecue (10) equipped with: a) a brazier (20), b) at least one grill (30) placed above the brazier (20) and suitable for housing the food to be cooked, c) a series of contiguous vertical walls (40) arranged above the brazier (20) and suitable to surround the brazier (20) itself and to create an empty space (50) interposed between the brazier (20) and the at least one grill (30). Furthermore, the barbecue (10) of the present invention comprises an air delivery system and a water delivery system provided with the same plurality of nozzles (1), arranged at the contiguous vertical walls (40) and adapted to deliver, alternatively, air or water. In this way, the air delivery is useful both to facilitate the combustion ignition and for the fire maintenance and the water delivery is useful in case of need to extinguish any flames released, without wetting the food being cooked. Therefore, the elements present in the barbecue (10) of the present invention make cooking food on the grill (30) more practical and easier to perform, also improving cooking performance.

The invention provides an underground coal gasification ignition device and method, relates to the technical field of underground coal gasification, and aims to improve the ignition success rate and the ignition reliability. The underground coal gasification ignition device comprises a multi-channel continuous pipe, a combustor, a first release sub and an ignition structure which are connected in sequence. A fuel injection channel and an oxygen injection channel are arranged in the multi-channel continuous pipe and the combustor, a nozzle is arranged in the combustor, and the fuel injection channel and the oxygen injection channel are both communicated with the nozzle. A first connecting piece is arranged between the first releasing sub and a shell of the ignition structure in a penetrating mode, and when the load borne by the first connecting piece is larger than a first preset load, the first connecting piece is broken, so that the first releasing sub is separated from the ignition structure. A spraying hole facing the nozzle is formed in a shell of the ignition structure, ignition equipment and a grain are arranged in the shell of the ignition structure, after the first connecting piece is broken, the ignition equipment ignites the grain to form ignition flames, the ignition flames are sprayed out from the spraying hole, fuel is ignited, and then the coal seam is ignited.

An open-width singeing machine comprises a cloth feeding device, a singeing device, a steam fire extinguishing device and a cloth discharging device, the output end of the cloth feeding device is connected to the output end of the singeing device, the output end of the singeing device is connected to the output end of the steam fire extinguishing device, and the output end of the steam fire extinguishing device is connected to the cloth discharging device; the singeing device comprises a machine shell, a first cloth guide assembly, a cooling roller, a fire hole, a first driving part, a second driving part, a smoke suction assembly and a cloth pressing assembly. The utility model provides the open-width singeing machine according to the content, and solves the problems that the singeing mode of the singeing machine in the prior art is relatively single, and the singeing machine cannot be compatible with cloth with different materials or different thicknesses for singeing.

The utility model discloses an ignition device for fire training. The ignition device comprises a cooling water cavity, a cooling air cavity and an ignition cavity, the cooling air cavity is arranged at the front end of the cooling water cavity, and the cooling air cavity and the cooling water cavity are separated through a water baffle. A cooling fan is installed in the cooling water cavity and fixed to the water baffle, and the air outlet end of the cooling fan penetrates through the water baffle to be communicated with the cooling air cavity. The ignition cavity is formed in the front end of the cooling air cavity, an ignition device body is arranged on the water baffle, the ignition end of the ignition device body penetrates through the cooling air cavity to be arranged at the ignition cavity, and the energy supply end of the ignition device body is arranged in the cooling water cavity. The ignition cavity is designed at the front end of the ignition device, and the fire outlet faces downwards, so that wind is prevented from entering the ignition cavity from all directions to the greatest extent, and the ignition process is not influenced; in addition, the cavity is always in a positive pressure state through air supply of the fan, and outdoor air (vortex air) is prevented from entering the cavity to affect ignition.

The invention provides an ignition assembly, a natural gas incineration device and an LNG transport ship. The natural gas incineration device comprises a combustion chamber, and the ignition assembly comprises a supporting disc, a combustion head and an igniter. The supporting disc is connected to the combustion chamber and provided with an air inlet hole used for introducing combustion-supporting air into the combustion chamber. The combustion head is connected to the side, close to the interior of the combustion chamber, of the supporting disc, the peripheral side of the combustion head forms a grid-shaped pipe wall, the grid-shaped pipe wall comprises a plurality of grid rings, the grid rings are arranged in the axial direction of the ignition assembly, the adjacent grid rings are elastically connected and form a vacant part, and the vacant part is used for introducing BOG gas into the combustion chamber. The igniter is arranged on the side, close to the combustion chamber, of the supporting disc. According to the ignition assembly, the gas amount of the BOG gas entering the combustion chamber can be adjusted according to the working condition change of the BOG gas, so that combustion of the BOG gas and combustion-supporting air is more sufficient, the emission of the LNG transport ship reaches the standard, and the safety of the LNG transport ship is also improved.

The present invention relates to a wirelessly programmable electronic device for igniting an explosive accessory designed such that the electronic device can be located on the surface of the blasting area and the explosive accessory can be located underground. For this purpose, the invention comprises a printed circuit board inside a casing, said board being powered by batteries placed inside the same casing. The printed circuit board has a controller and a wireless communication module electrically connected thereto which allows it to be connected to and receive delay and activation programming commands by a remote activation device to the controller. Said activation device has an operating system that allows multiple devices of the invention to be programmed due to the assignment of a single identifier to each device. The printed circuit board has a group of resistors and transistors connected thereto for activating and sensing droplets; a horn and LEDs as an audible and visual indicator of the status of the device; an on / off switch; and a crystal oscillator connected to the controller. The board is connected to a conductor cable that is welded at its other end to a secondary board that has an ignition droplet. Said board is located inside the plastic adapter along with the blasting cap and ensures the start of detonation in case of a break in the cable.

The invention discloses a plasma pulverized coal burner ignition operation control method and device based on big data, and relates to the technical field of ignition operation control. The method comprises the following steps: establishing a staged behavior skeleton of ignition operation of the plasma pulverized coal burner; historical ignition operation data are collected, and a behavior alignment sample set is obtained through staged behavior skeleton alignment; successfully-ignited samples are clustered, and an ignition success behavior track cluster is generated; based on the ignition success behavior track cluster, mapping rules of different coal quality categories and ignition behavior tracks are established, and stage target windows of various coal qualities are generated; selecting a corresponding reference track from an ignition success behavior track cluster according to the current coal quality category, and generating an ignition operation control instruction set in combination with a stage target window; executing the control instruction set and collecting real-time data; the instruction set is dynamically corrected according to the deviation between the real-time data and the reference track, so that the real-time ignition behavior track converges towards the reference track until ignition is completed.

The invention is applicable to the technical field of dangerous chemical accident emergency rescue, and provides a movable emptying ignition device for a blast gas tank truck, which comprises an emptying ignition mechanism, the emptying ignition mechanism comprises a counterweight base and a combustion gun arranged on the counterweight base and used for combusting combustible gas exhausted from the tank truck; the air temperature type vaporizer is arranged on one side of the combustion gun and used for rapidly vaporizing the liquid state; and the gas-liquid separation tank is arranged on the frame of the air temperature type vaporizer and is used for separating the liquid which is not completely vaporized again, and the gas-liquid separation tank is connected with the air temperature type vaporizer through a pipeline. The movable emptying ignition device of the blast gas tank car is easy to operate, safe, reliable and efficient in disposal, the flexibility of gas-phase / liquid-phase discharge of materials and the safety of remote ignition are achieved, the pressure in the tank is remarkably reduced with the high emptying combustion efficiency, and the gas-phase / liquid-phase discharge safety of the materials is improved. And a more advanced, active and reliable solution is provided for emergency rescue of dangerous chemical accidents.

The outdoor warmer comprises a furnace end located at the top of the warmer, a supporting rod supporting the furnace end and a base supporting the supporting rod, a gas valve used for adjusting the flame size and an ignition assembly used for ignition of the warmer are arranged in the furnace end, and the gas valve comprises a main valve and an automatic control valve. The fuel gas path passing through the main valve comprises a main gas path and an ever-burning fire gas path, the automatic control valve is arranged on the main gas path, the main gas path further comprises an ignition disc, the automatic control valve controls the fuel gas flow of the ignition disc, the ever-burning fire gas path comprises an ever-burning fire pipe, and the ever-burning fire pipe is arranged on the main gas path. The ignition assembly is close to the ever-burning fire pipe to ignite fuel gas of the ever-burning fire gas circuit, the ever-burning fire pipe is close to the ignition disc, and flames of the ever-burning fire pipe can ignite the ignition disc. The ignition assembly of the warmer is long in service life.

The invention discloses an automatic ignition control system and method capable of saving fuel gas, and relates to the technical field of accident tail gas treatment in polycrystalline silicon production. The method comprises the steps that S1, tail gas channels are arranged in a graded mode, specifically, accident tail gas emptying airflow is guided to a second-stage or above diffusion channel; 2, incandescent light grading linkage control is conducted, specifically, incandescent light systems of two or more grades are arranged, the number of the incandescent light systems is consistent with the number of the grades of the diffusing channels, each grade of diffusing channel corresponds to one incandescent light, and instrument control valves are arranged on fuel gas pipelines of the incandescent lights and interlocked with pressure signals of an air inlet buffer tank; and S3, graded ignition triggering: when the pressure of the gas inlet buffer tank reaches a pressure threshold value of a corresponding grade, opening an instrument control valve of a fuel gas pipeline of an incandescent light of the corresponding grade in an interlocking manner, and simultaneously triggering a corresponding high-energy ignition gun to act, so that the fuel gas is ignited after entering the incandescent light. An automatic ignition system for silane accident tail gas has the problems of consumption of a large amount of ineffective fuel and high operation cost.

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.

A device for blowing out celebration candles, which has an outer casing, a trigger assembly with a trigger and a toothed half wheel, a spring, a cogwheel assembly having first, second, and third cogwheels, an impellor, and an inner casing having a tube. The spring, the cogwheel assembly, the impellor, and the inner casing are incased in the outer casing. The trigger assembly protrudes from the outer casing. The device may be used instead of other methods customary in celebrations such as blowing out candles by mouth.

The utility model relates to an ignition combustion testing device which comprises an ignition gas pipe, a supporting rod, a lifting assembly and a gas supply assembly. An igniter is arranged on the ignition gas pipe; the igniter is matched with the electric wire to generate electric sparks at a gas outlet in the lower end of the ignition gas pipe to ignite combustible gas sprayed downwards by the ignition gas pipe; the ignition combustion testing device is ingenious in structural design, the vertically-arranged ignition gas pipe is connected with the lifting assembly through the supporting rod, gas at an outlet in the lower end of the ignition gas pipe is perpendicularly and downwards jetted all the time, an operator does not need to manually fix the ignition gas pipe, position deviation or angle inclination of the ignition gas pipe can be avoided, and the ignition combustion efficiency is improved. Shaking during ignition operation of the handheld ignition gas pipe can be avoided, and the stability of the flame jetting direction, height and position is ensured; and the igniter is controlled to be matched with the electric wire to generate sparking, so that gas can be automatically ignited, manual ignition is not needed, and flame intensity fluctuation caused by manual operation is avoided.

The utility model discloses an ignition device for an exhaust port of a coking furnace, which relates to the field of coking furnaces and comprises a positioning inner pipe and a plurality of ignition rods, the positioning inner pipe can be mounted on the exhaust port of the coking furnace, and a plurality of connecting plates are arranged outside the positioning inner pipe at equal intervals along a circumferential track. The connecting plates are connected through a supporting outer pipe which is coaxially distributed with the positioning inner pipe, a plurality of positioning sleeves which are distributed at equal intervals along the circumferential track are embedded in the supporting outer pipe, the ignition rods are arranged on the inner sides of the positioning sleeves respectively, the ignition device further comprises a plurality of sets of detachable clamping sleeves, and each set of clamping sleeves can be moved into and out of the corresponding positioning sleeve. In the process of installing the ignition rod, the position of the ignition rod can be adjusted in the positioning sleeve, and the ignition rod has the advantage of flexible adjustment. After the position of the ignition rod is determined, the jacket is closed and falls into the inner side of the positioning sleeve. The stable state of the ignition rod can be kept through the jacket, and the stability of the ignition rod in the ignition and diffusion operation process is kept.

The utility model provides an ignition burner of a gasification furnace. The ignition burner of the gasification furnace comprises a combustion chamber, an ignition device and an ignition device, wherein a combustion cavity is formed in the combustion chamber; the first shell is arranged outside the side wall of the combustion chamber in a sleeving mode, and the first shell and the side wall are arranged in a spaced mode so as to form an interlayer channel; the air cooling mechanism is communicated with the interlayer channel so as to introduce cooling air into the interlayer channel; the peripheral cooling air waist pipe penetrates through the side wall of the combustion chamber so as to communicate the combustion cavity with the interlayer channel and distribute cooling air in the interlayer channel to the combustion cavity; wherein a plurality of circumferential cooling air waist pipes are uniformly arranged in the circumferential direction of the combustion chamber; cooling air is introduced into the interlayer channel to cool the side wall of the combustion chamber; cooling air in the interlayer channel is shunted to the combustion cavity through the peripheral cooling air waist pipe, so that the temperature in the combustion cavity is reduced; and the peripheral cooling air waist pipes are uniformly arranged, so that the temperature of the side wall of the combustion chamber is more uniform, and the phenomena of redness, deformation, even cracking and falling of the side wall of the combustion chamber are improved.

The utility model discloses a remote control ignition circuit which is composed of a remote control transmitting module and a remote control receiving module which are split, and the remote control transmitting module can generate and transmit an ignition signal after being triggered; the remote control receiving module can receive an ignition signal transmitted by the remote control transmitting module; and the ignition module can execute ignition operation after the remote control receiving module receives the ignition signal transmitted by the remote control transmitting module. The utility model has the following advantages and effects: the remote control transmitting module and the remote control receiving module are arranged in a split manner, so that an operator can hold the remote control transmitting module by hand to remotely release an ignition signal, thereby effectively preventing the operator from being wounded by fireworks and crackers, and greatly improving the safety.

The invention discloses a prediction method and system for jet diffusion pushing transition flames, and belongs to the technical field of combustion of industrial boilers or gas turbines. The method comprises the steps that a critical Reynolds number curve graph based on the diameter of a burner nozzle and the jet flow outlet speed is constructed; determining a laminar flame lifting limit and a blow-out limit of the fuel; dividing a transition flame pushing area in the critical Reynolds number curve graph according to the limit parameters; and the flame state is judged by comparing actual parameters with the divided areas. The system comprises a Reynolds number module, a laminar flow module, a transition flame area module and a prediction module. According to the method, a complete pushing transition flame prediction system is established for the first time, and accurate prediction of transition flame is realized by quantifying flame flow state characteristics into a Reynolds number model. Compared with the prior art, the method is high in prediction accuracy and easy and convenient to operate, can be widely applied to flame state monitoring and safety prevention and control of equipment such as industrial boilers and gas turbines, and remarkably improves the research efficiency and operation safety of a combustion system.

The invention relates to the technical field of concrete pile head forcible entry, and provides a pile head static splitting directional forcible entry device and a forcible entry method.The forcible entry device is arranged in a concrete pile head and comprises a forcible entry pipe, and a containing cavity used for containing a crushing agent and a heating piece is formed in the forcible entry pipe; a directional hole is formed in the side wall of the forcible entry pipe in the length direction of the forcible entry pipe in a penetrating mode, pipe plugs are detachably arranged at the two ends of the forcible entry pipe and used for plugging the two ends of the forcible entry pipe, heating pieces are arranged on the pipe plugs, and the crushing agent can wrap the parts, located in the containing cavity, of the heating pieces. The crushing efficiency of the static crushing agent applied to pile head crushing can be improved, multi-point synchronous crushing can be achieved, meanwhile, directional crushing can be achieved, and the pile head crushing quality is improved.

The present disclosure teaches a system and method for generating power by a thermal power plant. The system and method includes a fuel heating chamber configured to receive a nano-thermite fuel, an induction assembly configured to inductively heat the fuel in the fuel heating chamber, and an electricity generating subsystem configured to convert heat from the heated nano-thermite fuel into electricity.

The utility model belongs to the field of detection, in particular relates to a detection device, and aims to solve the problems that the self-heating detection of the next flammable solid can be carried out only after the flammable solid is completely combusted because the flammable solid is inconvenient to extinguish quickly after the self-heating detection of the existing flammable solid of a dangerous article is completed, a large amount of harmful gas is generated, and the detection cost is low. According to the technical scheme, the device comprises an extinguishing mechanism, and the extinguishing mechanism is arranged on a detection box and used for extinguishing the detected flammable solids; the exhaust mechanisms are arranged on the two sides of the detection box and used for exhausting harmful gas in the detection box. When the device is used, the device is beneficial to achieving the effect of rapidly extinguishing the flammable solid, the situation that the self-heating detection of the next flammable solid is influenced due to complete combustion of the flammable solid is prevented, a large amount of harmful gas is prevented from being generated, the detection of different flammable solids is influenced, and the efficiency is improved.

A coal mill output control method and device, the method comprises the following steps: determining the starting mode of the coal mill according to the boiler state parameters; performing valve action test on all outlet pneumatic doors; performing pilot ignition on the burner by the oil ignition device to determine the number of burners successfully ignited; selecting the outlet pneumatic door to be opened among the outlet pneumatic doors corresponding to the successfully ignited burners; performing powder pipe wind speed control and initial coal quantity control according to the preset primary air volume and the wind powder concentration to determine the fuel quantity of a single burner nozzle and the total fuel quantity; gradually opening the outlet pneumatic doors that are not opened when the total fuel quantity reaches the preset fuel quantity threshold; when all the outlet pneumatic doors are opened and the opening delay reaches the preset time threshold or the coal quantity of the coal mill reaches the preset coal quantity threshold, the oil ignition starting mode is removed. The present application reduces the initial coal quantity of the oil ignition on the basis of ensuring stable combustion, reduces the thermal shock and temperature sudden change of the heating surface during the cold state starting, and ensures the safety of the equipment.

The application provides a glass tube cutting surface heating control method, device, system and storage medium, and belongs to the technical field of glass heating control. The method controls a valve on a first gas pipeline to open, so that mixed gas mixed based on a first proportion is sent into the first gas pipeline. The method controls a valve on a second gas pipeline to open, so that mixed gas mixed based on a second proportion is sent into the second gas pipeline. The method controls a valve on a third gas pipeline to open, so that mixed gas mixed based on a third proportion is sent into the third gas pipeline. The method controls an ignition mechanism to ignite the mixed gas output by each pipeline, so as to heat the cutting surface of the glass tube. The glass tube cutting surface heating control method, device, system and storage medium provided by the application can improve the quality of the cutting surface of the glass tube.

The utility model discloses an igniter for coal underground gasification, which comprises a transverse cylinder, a support column is fixed at the bottom edge of the outer side of the transverse cylinder, the bottom position of the support column is attached to the horizontal ground, and the left side position of the transverse cylinder is communicated with an oxygen uptake box; one end of the oxygen uptake mechanism is connected with the igniter body through an air inlet pipe, and the bottom of the igniter body extends into the drilling position. An injection mechanism is further arranged at the top of the transverse cylinder, and a vertical pipe of the injection mechanism is embedded into the outer end of the fuel tank. According to the igniter for underground coal gasification, the oxygen uptake mechanism is arranged, gas can be absorbed through a through hole formed in one side of an oxygen uptake box through the oxygen uptake mechanism, the gas is conveyed to the output end of the igniter body through a gas inlet pipe, efficient ignition treatment can be facilitated through gas conveying, and the gas is conveyed to a combustion position through a nozzle; ignition treatment can be carried out more easily through ignition treatment of the through holes.

The utility model discloses a safety ignition box for waste liquid identification, which belongs to the technical field of harmless treatment of hazardous wastes and comprises a box body, a transparent plate is arranged on the box body through a window, an ignition gun is arranged on one side of the box body, and a connector pipe positioned in the box body is arranged on the other side of the box body through a mounting cylinder. The ignition end of the ignition gun is located in the box body and is close to the connector pipe, a storage drawer used for storing fire-fighting sand is detachably installed at the bottom of the box body, and a limiting assembly used for limiting and fixing the storage drawer is arranged on the box body. According to the safety ignition box for waste liquid identification, ignition identification can be carried out on a waste liquid identification site, unsafe ignition under the condition of no protection and isolation in the operation process is avoided, the safety of waste liquid identification is effectively improved, and the safety problems that backdraft, ignition and explosion are likely to happen due to direct ignition in the presence of organic steam on the operation site are solved; the device has the characteristics of convenience in use, practicability, safety and economy.

The utility model discloses an ignition system for improving flame rigidity of an RTO furnace, which comprises the RTO furnace, a burner is arranged on the RTO furnace, a combustion fan is connected with the burner through a combustion pipeline, the burner is connected with a natural gas supply device through a natural gas main pipeline, and the burner is further connected with the natural gas main pipeline through a natural gas auxiliary pipeline. An ignition gas valve is arranged on the natural gas auxiliary pipeline, a main gas valve and a natural gas pressure transmitter are arranged on the natural gas main pipeline, emptying pipelines are connected to the natural gas auxiliary pipeline and the natural gas main pipeline, and emptying valves are arranged on the emptying pipelines; the RTO furnace is provided with an ignition transformer and two flame detectors, the main gas valve, the emptying valve, the ignition gas valve and the ignition transformer form an execution module, the two flame detectors and the natural gas pressure transmitter form a sensor module, and the execution module, the sensor module and the control module form an SIS ignition control system. The SIS ignition control system is adopted, the flame probe and the like are added, and the ignition success rate is increased.

The invention relates to the technical field of heating furnace control. A one-key ignition method of a hydrogen-based shaft furnace heating furnace comprises the following steps that whether ignition starting conditions of an ignition gun are met or not is confirmed; all the ignition guns are sequentially ignited according to program setting; whether the ignition starting condition of the main burner is met or not is determined; all the main burners are sequentially ignited according to program setting; and the one-key ignition program is finished. The method has the beneficial effects that the ignition field operation of the heating furnace can be completed by only one person, temperature fluctuation and operation errors easily caused by tedious manual operation are greatly reduced, and the stability and safety of ignition starting of the heating furnace are improved.

The invention relates to an oil and gas field test open flow intelligent ignition system and an ignition control method thereof.The ignition system comprises a combustion cylinder, an ever-burning flame combustor, a main combustor, a movable ignition gun, a flame detector, an ever-burning flame oil tank cabinet, a main flame oil tank cabinet, an electric control cabinet and an electric control moving device used in cooperation with the movable ignition gun; the long open fire combustor can continuously combust with small fire; the electric control cabinet is in control connection with the flame detector, the main flame oil tank cabinet, the movable ignition gun and the electric control moving device, and when the flame detector monitors that flames are extinguished, the electric control cabinet controls the electric control moving device to convey the movable ignition gun to the main combustor and then controls the movable ignition gun to be matched with the main combustor to achieve large flame ignition; when the flame detector monitors flames, the electric control cabinet controls the power supply of the movable ignition gun to be closed, fuel oil and high-pressure gas are stopped from being supplied to the main combustor, and then the electric control moving device is controlled to return the movable ignition gun to a safe area. The device is suitable for the working condition that the well drilling yield needs to be subjected to blowout testing.