25results about How to "Prevent flashback" patented technology

The invention provides a program crash processing method and device, equipment and a medium. The method comprises the steps that a protection engine is called; when an application program is started, the protection engine is initialized to monitor and capture crash information in the application program, and the crash information comprises abnormal stack information of flash quit of the application program; if the crash information of any application program is captured, processing of the crash information is interrupted according to the type of the abnormal stack information, so that the application program runs normally; the crash information of the application program is collected to generate the crash log, the crash log is uploaded to the server, transmission of the crash information is interrupted, normal operation of the application program is ensured, stability and reliability of the application program are enhanced, the flash quit problem caused by improper operation is reduced, and meanwhile the service life of the application program is prolonged. The debugging and repairing efficiency is improved; the flash quit of the application program is avoided, and the service recovery capability is also improved.

The invention belongs to the technical field of carbon black reaction furnaces, and discloses a carbon black reaction furnace capable of improving quality and efficiency, which comprises a base, a reaction furnace body is fixedly mounted at the top of the base, the reaction furnace body comprises a plurality of groups of throat pipe sections and combustion chambers, and the throat pipe sections and the combustion chambers are connected through flanges. One end of the combustion chamber is fixedly connected with an air supplementing pipe, an additive supplementing pipe and a fuel gas supplementing pipe, and one end of each throat pipe section is fixedly connected with a discharging pipe. When the combustion speed is larger than the oil injection speed, combustion flames start to move upwards and get close to the oil injection pipe and the heat conduction rod, at the moment, the temperature of the heat conduction rod is increased abnormally, thermal expansion liquid in a containing groove is heated, the volume of the thermal expansion liquid is expanded, a piston, a connecting block and a sealing sleeve are pushed upwards, and therefore the area, covering a through groove, of the sealing sleeve is reduced; the effective oil passing area of the through groove is increased, the oil spraying speed of the device is increased, and therefore the tempering phenomenon is avoided.

Embodiments of the present application disclose a wild pointer processing method, system, device and storage medium. According to the type information of each memory object, the technical solution provided by the embodiments of the present application determines the memory object of a specified type as a target memory object; then in the case of releasing the target memory object, a target zombie object is created, the instruction set architecture pointer of the target memory object is modified, and the instruction set architecture pointer is pointed to the target zombie object; and then the target zombie object is saved to the application memory, so that when the calling party uses the instruction set architecture pointer to call the target memory object, the calling party is intercepted based on the target zombie object through a message forwarding mechanism, and the calling logic is processed. By using the above technical means, the wild pointer processing of the online running environment of the application program can be realized, the application program can be prevented from crashing, the running effect of the application program is optimized, and the user experience is improved.

This utility model relates to the field of gas appliance technology, specifically providing a honeycomb heating element and a burner for use in a burner. The honeycomb heating element includes a honeycomb heating element body and a first flow restrictor. The first flow restrictor includes a first flow restricting part and a second flow restricting part, which cooperate to form a groove-shaped structure. The honeycomb heating element body is embedded in the groove-shaped structure. The first flow restricting part is attached to the bottom of the honeycomb heating element body; the second flow restricting part is attached to the side surface of the honeycomb heating element body to form a tight, filling fit with the inner wall of the outer ring of the burner cavity when the honeycomb heating element body is installed in the burner cavity. This utility model improves the sealing performance of the honeycomb heating element when installed in the burner cavity, preventing gas flow from flowing out from the junction of the honeycomb heating element and the burner cavity, improving the stability of gas combustion, and avoiding backfire.

The invention provides a honeycomb body and a manufacturing method thereof, and belongs to the technical field of combustors, the honeycomb body comprises a metal thin strip, the metal thin strip comprises a plurality of plane sections and a plurality of corrugated sections, the metal thin strip is coiled to form the honeycomb body, an airflow channel is formed through the plane sections and the corrugated sections, and the airflow channel is in a curve shape. According to the invention, the problem of local upward projection or downward movement is avoided, the metal thin strip is not easy to warp, the flame is stable, the tempering is not easy to cause, the combustion is stable, the tempering phenomenon can be effectively prevented, the strength of the metal thin strip can be enhanced, the honeycomb body deformation is reduced, and the honeycomb body performance is more stable.

A fire hole is provided with a plurality of fire hole units which are sequentially communicated in the radial direction of the fire cover, and each fire hole unit comprises a first branch, a second branch and a third branch; the first branch and the third branch are linear sections extending in the radial direction of the fire cover, the second branch is a bent section bent towards the radial inner side of the fire cover, and two ports of the second branch face the radial outer side of the fire cover; the outer side end of the first branch is connected and communicated with the first end of the second branch, the second end of the second branch is connected and communicated with the inner side end of the third branch, the outer side end of the third branch is located on the side, facing the radial outer side of the fire cover, of the inner side end of the first branch, and the outer side end of the third branch is connected and communicated with the first branch. When the gas flows reversely, the flowing directions of the gas in the second branch, the first branch and the third branch are opposite to generate opposite impact, the gas in the second branch can prevent the gas in the first branch or the third branch from continuously flowing towards the radial inner side of the burner cap, and backfire of the burner is prevented.

The utility model is suitable for the technical field of combustor, provides a kind of porous combustor of preventing backfire, including base;Combustor body is installed in the top of base, the combustor body is equipped with the gas mixing bin for providing mixed combustible gas and combustion-supporting gas space;Cooling jacket is sleeved in the inside and outside of the gas mixing bin for providing drainage channel to assist the heat dissipation of the gas mixing bin;Cold water tank is fixed in the top of base for storing cold water, hot water pump is equipped in the cold water tank for extracting cooling water.The porous combustor of preventing backfire provided in the scheme is provided with cooling jacket, cold water tank, hot water pump, stirring mechanism and other components, effectively dissipates heat to the gas mixing bin, prevents backfire phenomenon caused by excessively high temperature, and improves the use safety of combustor.

The utility model relates to an anti-backfire drying gun special for a fire board machine, and belongs to the technical field of stone machining equipment. According to the special drying gun for the fire board machine, the mixed rectifier, the mixed gas main guide pipe, the U-shaped shunt pipe and the drying gun nozzle are combined to form the special drying gun for the fire board machine with the three-fork structure, and the rectifying part and the mixing part are in clearance fit to form the inclined combustion channel matched with the second cavity and the first cavity which are located in the front and the rear respectively. High pressure can be formed to prevent mixed gas backflow caused by negative pressure, the backfire phenomenon can be prevented, the mixing rectification efficiency can be improved through the inclined structures of the combustion channel and the oxygen channel, then split-flow injection can be conducted through the U-shaped split-flow pipe, the overall sealing effect is good, disassembly and assembly are convenient, and the practicability is high. Therefore, not only can the combustion efficiency be ensured, but also the safety can be ensured.

The present invention discloses a hydrogen and natural gas mixed combustion burner, comprising a burner body, a natural gas pipe and a hydrogen pipe. A combustion-supporting gas is introduced into the combustion body. A cyclone blade is provided at the end of the combustion body. The cyclone blade is provided with a combustion-supporting air hole connected with the inner cavity of the combustion body. A boss is provided at the center of the cyclone blade. The inside of the boss is hollow and provided with a hydrogen nozzle. The height of the hydrogen nozzle is less than the height of the boss. The top, outer side and inner side of the boss are all provided with natural gas nozzles. The natural gas pipe is provided inside the combustion body and the end is connected with the natural gas nozzle. The hydrogen pipe is sleeved in the natural gas pipe and the end is connected with the hydrogen nozzle. The burner uses hydrogen and natural gas as fuel for mixed combustion, which can effectively exert the advantages of hydrogen and solve the disadvantages of hydrogen when burned alone.

The utility model discloses a gas pipeline jacket heat tracing system of a sulfur treatment device, and relates to the technical field of sulfur treatment, gas treated by a sulfur trap is fed into an incinerator through a pneumatic control valve for gas combustion treatment, and the pneumatic control valve is in a closed state during normal operation of the sulfur treatment device; gas treated by the sulfur trap is fed into the fluidized bed boiler for combustion treatment, a gas pipeline adopts a jacket heat tracing form to ensure that the temperature of the pipeline is constant, a jacket heat tracing medium adopts low-pressure steam, and steam condensate after heat tracing is recycled respectively, so that the heat tracing effect is good; the interlocking safety device is additionally arranged, after the interlocking safety device is put into use, when gas is conveyed to the fluidized bed boiler, the risk of gas conveying to the device is greatly reduced, the gas is prevented from entering the fluidized bed boiler, meanwhile, the tempering phenomenon of the boiler is also prevented, personnel conduct remote operation through a computer, and the system automation is high; the device has the advantages of safety, reliability and simplicity in operation.

The present invention belongs to the technical field of hydrogen stoves, and is particularly an anti-explosion and anti-flashback hydrogen stove. In view of the problem that the rapid combustion performance of hydrogen may easily cause flashback at the moment of turning off the fire, the following scheme is proposed, including a stove panel with a circular hole in the middle, a metal fixing seat embedded in the circular hole, a transition clamp ring with an annular structure embedded in the middle of the metal fixing seat, which is made of a material with good heat insulation and thermal expansion prevention, thereby avoiding a large expansion rate after heating and causing the device to loosen, a burner structure is clamped in the middle of the transition clamp ring, and an air inlet is reserved at the bottom of the burner structure. When the fire is turned off, the piston column loses the gas thrust from the bottom, and under the action of gravity, it will quickly fall down to expose the explosion-proof pipe and block the circuit of the C-shaped side branch pipe, so that the ignited residual gas can only be ejected from the explosion-proof pipe, thereby preventing the phenomenon of flashback.

The utility model discloses a totally closed biomass boiler relates to boiler technical field, including boiler body, feed pipe, connecting shaft, base and second blast pipe, boiler body top is connected with the top cover through bolt, the top of top cover is welded with the smoke vent, the bottom of smoke vent is communicated with device main part inside, and the second blast pipe is connected with the top cover. The bottom of the device body is connected with the top of the combustion chamber, when the boiler is used, feeding is carried out through the inclined feeding pipe, in order to prevent tempering of the combustion chamber when fuel is added, a baffle is arranged at an outlet of a channel of the feeding pipe and is in a hanging state, and when the combustion chamber is tempered, under the action of the positive pressure of smoke of the combustion chamber, the baffle is in a closed state. And the baffle is pushed to be attached to the outlet end of the feeding pipe, so that the outlet end of the feeding port is closed, the tempering phenomenon of the feeding pipe during feeding is avoided, and the use safety of the boiler is improved.

The utility model relates to an anti-backfire torch combustion device, and belongs to the technical field of stone machining equipment. According to the utility model, the second chamber and the first chamber which are respectively positioned at the front part and the rear part are formed through the clearance fit of the rectifying part and the mixing part, and the inclined combustion channel is arranged to be connected with the combustion chamber, so that high pressure can be formed in the first chamber and the second chamber to prevent mixed gas backflow caused by negative pressure; according to the utility model, the combustion channel and the oxygen channel are communicated, the backfire phenomenon can be prevented, the inclined structures of the combustion channel and the oxygen channel can improve the mixing rectification efficiency, and the design of the conical step, the sealing element, the positive and negative threads and the like can further ensure the overall sealing effect, so that the combustion efficiency and the safety can be ensured.

The invention relates to the technical field of heat treatment, and discloses a natural gas solid solution heat treatment furnace for eliminating fine cracks of seamless steel pipes, which comprises a furnace box, two wheel carriers arranged at the bottom of an inner cavity of the furnace box in a linear array, pipes arranged at the tops of the wheel carriers, a motor arranged on the rear wall of the furnace box, and a heating mechanism arranged on one side, far away from the motor, of the furnace box, the ventilation unit is arranged on the side, close to the motor, of the heating mechanism; the fixing mechanism is arranged on the side, away from the motor, of the heating mechanism; the heating mechanism comprises an outer cylinder arranged on the inner wall of the side, close to the motor, of the furnace box, a heat insulation layer arranged on the inner wall of the outer cylinder, a plurality of air cavities formed in the outer wall of the outer cylinder in an annular array mode, pistons arranged in the air cavities and a plurality of air holes formed in the tops of the pistons in an annular array mode. And by arranging the heating mechanism and the fixing mechanism, the inner wall of the steel pipe can be heated, the steel pipe can be synchronously heated inside and outside, and the steel pipe can be rotated so that the steel pipe can be heated more uniformly.

The invention discloses a center-staged low-emission combustion chamber head with an efficient anti-backfire structure, and belongs to the technical field of low-emission combustion chamber heads. Comprising a pre-combustion stage part, a main combustion stage part and an anti-backfire structure located between the pre-combustion stage part and the main combustion stage part. Fuel oil in the pre-combustion-stage component is ejected out through a pre-combustion-stage centrifugal nozzle, so that a solid conical atomization field is formed; fuel oil in the main combustion stage component is injected into a main combustion stage annular channel through a main combustion stage transverse fuel oil direct injection hole to form an annular atomization field, and combustible premixed oil gas is formed after the fuel oil is mixed with air in a main combustion stage first-stage radial swirler. The anti-backfire structure provides an anti-backfire air wall for the interior of the main combustion stage annular channel, an output port of the anti-backfire air wall is located on the inner wall face of the main combustion stage, the included angle between the output port and the inner wall of the main combustion stage on the outlet side of the main combustion stage annular channel is an acute angle, and the output port and the inner wall of the main combustion stage are used for preventing main combustion stage flames from extending towards upstream premixed oil gas. The tempering phenomenon is efficiently prevented, and therefore potential safety hazards caused by tempering are prevented.

The invention provides a hydrogen fuel orthogonal vortex pair efficient mixing anti-backfire low-pollution burner. The hydrogen fuel orthogonal vortex pair efficient mixing anti-backfire low-pollution burner comprises a petal-shaped fuel nozzle, a partition plate and an air guide plate. Hydrogen fuel is sprayed out through fuel holes formed in a lobe structure of the lobe-shaped fuel nozzle and is intensively mixed with incoming flow air; the premixed gas forms vortex pairs which are the same in size and opposite in direction on the downstream of the tail edge of the lobe, secondary reinforced mixing of fuel and air is achieved along with increasing of the axial distance and the reinforcing and crushing process of the orthogonal vortex pairs, meanwhile, the axial speed of the premixed gas is kept uniform, a low-speed area does not exist, and center tempering can be prevented; and the other part of the air flows through a circular seam between the partition plate and the air guide plate, and the spatial distribution of the combustible mixture and the air is changed at an outlet of the combustor, so that the tempering phenomenon of a boundary layer is prevented. According to the invention, high-efficiency reinforced mixing is realized, emission of nitrogen oxides generated in the combustion process is reduced, thermoacoustic oscillation can be inhibited through parameter differentiation and grading of lobes, and meanwhile, a tempering phenomenon is avoided.

The present invention belongs to the technical field of carbon black reactors, and discloses a carbon black reactor that can improve quality and increase efficiency, including a base, a reactor body fixedly installed on the top of the base, the reactor body including multiple groups of throat sections and combustion chambers, the throat sections and the combustion chambers are connected by flanges, one end of the combustion chamber is respectively fixedly connected to an air supply pipe, an additive supply pipe and a gas supply pipe, and one end of a group of throat sections is fixedly connected to a discharge pipe. When the combustion speed of the device is greater than the oil injection speed, the burning flame begins to move upward and approaches the oil injection pipe and the heat conducting rod. At this time, the temperature of the heat conducting rod rises abnormally, and heats the heat expansion liquid in the placement groove, causing its volume to expand, and pushes the piston, the connecting block and the sealing sleeve upward, thereby reducing the area of ​​the through groove covered by the sealing sleeve, increasing the effective oil passing area of ​​the through groove, and improving the oil injection speed of the device, thereby avoiding the occurrence of the flashback phenomenon.

The utility model mainly relates to the technical field of combustion equipment, in particular to an efficient controllable gas burner nozzle which comprises a nozzle welding body, one side of the nozzle welding body is fixedly connected with an outer nozzle, and the other side of the nozzle welding body is fixedly connected with a flame detection connector. A fuel gas access pipe, a first combustion-supporting gas access pipe and a second combustion-supporting gas access pipe are arranged in the nozzle welding body and located on one side of the flame detection connector, and an ignition connector is further fixedly connected to the outer end of the side, located on the flame detection connector, of the nozzle welding body. The first combustion-supporting gas access pipe and the ignition interface are adjacently arranged, and the fuel gas access pipe and the second combustion-supporting gas access pipe are adjacently arranged; the gas burner nozzle has the advantages of being simple in structural design, efficient and controllable in burning, energy-saving, consumption-reducing, environment-friendly, convenient to maintain and wide in application scene.

The application discloses a coal-burning prevention coal hopper structure of a biomass boiler and a use method thereof, and relates to the technical field of boiler feeding, which comprises a feeding pipe, wherein the feeding pipe comprises a vertical section, a horizontal section and an inclined section which are sequentially communicated; two first baffles are arranged on the inner side wall of the top of the inclined section of the feeding pipe; two second baffles are arranged on the inner wall of the bottom of the inclined section of the feeding pipe; and the first baffles and the second baffles are staggered. Two feeding assemblies are arranged on the inner wall of the bottom of the inclined section of the feeding pipe. In the process of moving the transmission block, the movement of the baffle can be realized through the connecting seat, the ball head and the connecting rod, so that the baffle is drawn out of the feeding pipe, the materials in the feeding hopper enter the position below the baffle through the baffle, meanwhile, the other baffle seals the feeding pipe, and thus, the reheating phenomenon in the feeding pipe is avoided, and the materials in the feeding hopper are prevented from being burned.

The invention discloses an anti-backfire full-premixing combustor and a main heat exchanger thereof, the full-premixing combustor comprises a fixed flange, a premixed gas diffusion cylinder and a combustion cylinder, the premixed gas diffusion cylinder comprises an abutting part, a connecting part and a diffusion part, the diffusion part extends to the fixed flange, and a gas flowing gap is formed between the diffusion part and the combustion cylinder; one end of the combustion cylinder is connected with the abutting part in a sealed mode, and the other end of the combustion cylinder is communicated with the fixing flange. According to the full-premixing burner, the premixing gas diffusing barrel with the diffusing function is arranged, the process that gas is firstly conveyed to the center of the burning barrel and then diffused to the periphery in the conveying process is avoided, therefore, the burning distance is shortened, it is guaranteed that the gas pressure is stable in the soft fire state, and when it is guaranteed that big fire is converted into soft fire, the combustion efficiency is improved. And the tempering phenomenon caused by the reduction of the gas pressure can be avoided.

The utility model discloses a fire-retardant structure for a full-premixing water-cooled combustion engine, which comprises an exhaust hood, an exhaust fan, a water-cooled combustion chamber and a water-cooled combustion chamber, the fixed frame is arranged at the outlet position of the exhaust hood; the mounting frame is arranged behind the fixing frame; the multiple layers of fire retardant plates are arranged on the mounting frame and embedded in the fixing frame; the fire retardant plate comprises a bottom plate and a top plate, the bottom plate is horizontally arranged, the top plate is arranged in a wave shape, and a plurality of rows of ventilation hole channels are formed between the top plate and the bottom plate on the upper layer and the bottom plate on the lower layer. The burner has the following advantages and effects that through the arrangement of the fire-retardant plate with the uniformly-distributed ventilation hole channels, fuel gas can uniformly enter the burning head, the fuel gas can be burnt as sufficiently as possible, and the backfire phenomenon is prevented.

A low-induced-voltage overhead single-cylinder independent ignition coil comprises a shell, the shell is provided with a lateral opening and a side cover installed on the opening, a low-voltage head is installed at the top of the shell, a high-voltage head is formed at the bottom of the shell, and the interior of the shell is divided into a first cavity located below the low-voltage head and a second cavity located above the high-voltage head. An ignition module is installed in the first cavity, a high-voltage positioning block and a coil assembly are installed in the second cavity, epoxy resin is filled in the second cavity, the high-voltage positioning block is located between the high-voltage head and the high-voltage end of the coil assembly, and the high-voltage positioning block is configured to press and fix the coil assembly in the second cavity and achieve electric connection with the high-voltage head. The diode is placed at the secondary high-voltage end in a press-insertion connection mode, the positioning piece serves as a carrier, the two ends of the diode are in press-insertion with the connecting pieces, and the two connecting pieces are matched with the secondary terminal and the output end resistor respectively, so that induced voltage generated at the secondary side during primary conduction is effectively reduced, and the tempering phenomenon in an engine cylinder is avoided.

The utility model discloses a rotary kiln feeding device which comprises a feeding bin, a chute, a material pushing groove, a material pushing machine and a control system, the bottom of the feeding bin is connected with the top end of the chute, the bottom end of the chute is connected with a material inlet of the material pushing groove, one end of the material pushing groove is communicated with a feeding port of a rotary kiln, the other end of the material pushing groove is provided with the material pushing machine, and the material pushing machine comprises a pushing cylinder and a pushing head. A first limiting switch is arranged on the pusher and used for determining that the pushing head is located at the preset position between the material inlet and the feeding port of the rotary kiln, an upper hydraulic inserting plate door and a lower hydraulic inserting plate door are arranged on the chute, a nitrogen filling device is connected between the upper hydraulic inserting plate door and the lower hydraulic inserting plate door, and the upper hydraulic inserting plate door, the lower hydraulic inserting plate door, the nitrogen filling device and the pusher are connected with a control system. According to the feeding device of the rotary kiln, the upper hydraulic slide plate gate, the lower hydraulic slide plate gate and the nitrogen filling device are arranged on the chute, and the limiting switch is arranged on the pusher, so that flames are effectively controlled to return to the feeding channel, and the tempering phenomenon of the feeding channel of the rotary kiln is prevented.

The utility model provides a pretreatment device for organic waste gas combustion treatment, which relates to the technical field of waste gas treatment and comprises a treatment box, a heat preservation partition plate is fixedly connected inside the treatment box and close to the center, and a stable area and a water seal area are arranged on two sides of the heat preservation partition plate. A U-shaped pipe penetrates through and is fixedly connected to the position, close to the top, of the surface of the heat preservation partition plate, and a J-shaped pipe is arranged in the stable area. According to the utility model, the treatment box is divided into a gas stable area and a water seal area by a heat preservation partition plate in the middle of the treatment box. The gas stabilizing area is used for cooling and pretreating organic waste gas, stabilizing the concentration of the waste gas and reducing the safety and environmental protection problems caused by the increase of the concentration of the waste gas. And the water seal area is mainly used for isolating the gas inlet pipe and the gas outlet pipe by using water to prevent a tempering phenomenon and a safety problem, so that the concentration of the organic waste gas can be relatively stably controlled, and the effects of safety and environmental protection caused by concentration fluctuation are reduced.

The utility model discloses a combustion head of a full-premixing water-cooled combustion engine, which comprises a mounting seat, a combustion head, a water-cooled combustion head and a water-cooled combustion head, and is characterized in that the mounting seat is fixed on a boiler; the water inlet pipe is horizontally arranged above the mounting seat; the water outlet pipe is horizontally arranged below the mounting seat; the first cooling pipe is vertically arranged between the water inlet pipe and the water outlet pipe, and a plurality of layers of cooling fins are arranged on the outer wall of the first cooling pipe. The water-cooling burner has the advantages that the burning temperature of flames is reduced in a water-cooling mode, the radiating fins are arranged, burning gas flows through the radiating fins, a structure similar to a nozzle is formed, the purpose of shortening the length of the flames is achieved, burning is more sufficient and stable, and formation of nitric oxide is reduced.