22results about How to "Fast ignition" patented technology

The utility model discloses a straight fire and rotary fire mixed burner which comprises a main body, a middle ring fire cover and an outer ring fire cover are installed on the top of the main body, first fire outlet holes are formed in the top of the middle ring fire cover and the top of the outer ring fire cover, and a plurality of second fire outlet holes inclining outwards are annularly formed in the outer side wall of the middle ring fire cover. The outlet end of the second fire outlet hole faces the top of the outer ring fire cover; due to the fact that the second fire outlet holes inclining outwards are formed, an ignition structure is arranged between the middle ring fire cover and the outer ring fire cover, flames of the middle ring fire cover ignite fuel gas sprayed out of the second fire outlet holes firstly, and then the flames sprayed out of the second fire outlet holes ignite fuel gas of the outer ring fire cover. The flame of the middle ring fire cover can ignite the gas of the outer ring fire cover faster, the ignition speed of the burner is increased, and the flame sprayed out of the first fire outlet hole of the middle ring fire cover and the flame sprayed out of the first fire outlet hole of the outer ring fire cover are combined with the flame sprayed out of the second fire outlet hole, so that the burner can evenly heat the cookware.

The invention provides an anti-degradation automobile exhaust purification three-way catalyst and a preparation method thereof.The three-way catalyst comprises a carrier and a coating coated on the carrier, and the coating comprises a lower coating, a middle coating and an upper coating which are sequentially arranged on the carrier from bottom to top; the lower coating comprises a magnesium-aluminum composite oxide, a first cerium-zirconium composite oxide and precious metal Pd, the middle coating comprises a lanthanum-aluminum composite oxide, a second cerium-zirconium composite oxide and precious metal Rh, and the upper coating is a lanthanum coating formed by dipping a lanthanum salt solution. According to the catalyst disclosed by the invention, the noble metal Pd and the MgO-Al2O3 material are combined, so that the Pd is effectively anchored on the carrier more stably under a high-temperature condition, the Pd is distributed more uniformly, the ignition of the catalyst can be effectively accelerated, and meanwhile, the high-temperature stability of the catalyst is ensured; the outermost layer of the catalyst is impregnated with lanthanum salt to adjust multi-layer distribution control of La in the catalyst, and the anti-sintering performance of the catalyst is further improved.

The invention discloses a combustible gas torch burner, and belongs to the technical field of burners. A combustible gas torch burner comprises a burner body, a mixing chamber is fixedly connected to the interior of the burner body, and an air inlet pipe is fixedly connected to the bottom face of the mixing chamber. According to the combustible gas torch burner, a motor rotates forwards and backwards to drive a rotating shaft to rotate, so that a movable arc disc rotates forwards and backwards to drive a slope-shaped sliding rail to move, dynamic movement of a first sliding column and a second sliding column is adjusted, and the overturning amount of a first conical plug and a second conical plug can be adjusted; the gas output of the combustible gas inlet pipe and the combustible gas outlet pipe can be dynamically adjusted in time, sufficient mixing of air and combustible gas is controlled, the adaptive mixing ratio of the air and the combustible gas is guaranteed, sufficient combustion of mixed gas is guaranteed, generation of harmful floating pollutants is reduced, the atmospheric environment is protected, and waste of combustible gas resources is reduced.

The invention discloses an ultrahigh-burning-speed double-layer ignition sheet in the technical field of thermal batteries, and the ultrahigh-burning-speed double-layer ignition sheet is prepared by the following steps: step 1, slurry preparation: using distilled water to immerse loose asbestos paper until the loose asbestos paper is soft, then crushing the loose asbestos paper, adding zirconium powder, and uniformly mixing to obtain a zirconium powder paper pulp solution; respectively adding barium chloride and potassium chromate into the zirconium powder paper pulp solution in a stirring state to obtain a turbid liquid containing the loose asbestos, the zirconium powder and the barium chromate, performing suction filtration to obtain a mixture containing the barium chromate, the zirconium powder and the loose asbestos, dispersing the mixture in an adhesive, and uniformly stirring to obtain slurry; wherein the mass ratio of the loose asbestos to the barium chloride to the zirconium powder to the potassium chromate is (1-10): (35-45): (15-20): (25-35); and secondly, the slurry prepared in the first step is sprayed on an ultra-high-burning-rate Al-Ni film, drying is conducted for 1.5-2.5 h under the condition of 120-180 DEG C in argon shielding gas, and the ultra-high-burning-rate double-layer ignition sheet is obtained. Compared with the prior art, the ultrahigh-burning-speed double-layer ignition sheet prepared by the invention is higher in burning speed.

This invention discloses a biomass pellet burner, comprising: a hopper including an inlet and an outlet; a screw feeder including a screw feed pipe, a screw feed rotating component disposed within the screw feed pipe, and a screw feed drive component connected to the screw feed rotating component, the outlet being disposed at a first end of the screw feed pipe; a combustion chamber disposed at a second end of the screw feed pipe; an air supply device including an air supply chamber and an air supply drive component connected to the air supply chamber, the air supply chamber including an air distribution chamber and a combustion chamber air chamber, the air distribution chamber communicating with the screw feed pipe, and the combustion chamber air chamber communicating with the combustion chamber; and an ignition device, a sealing plate disposed between the air distribution chamber and the combustion chamber, the inlet end of the ignition device being located within the air distribution chamber, and the outlet end of the ignition device being located within the combustion chamber. This invention avoids backflow and backfire by balancing the pressure of the screw feed pipe and the combustion chamber.

The utility model discloses the technical field's biomass granule type fracturing rock pipe structure of rock breaking, including the flexible film cover of both ends closed, the flexible film cover is filled with the paper roll and biomass granule from bottom to upward interval in, still include from the liquid filling guide pipe, electric ignition device and exhaust pipe of its inside of penetrating into the top of flexible film cover. Through adopting biomass granule as the adsorption combustion agent of fracturing rock pipe, the problem of relatively high price of paper roll, and relatively low explosive force etc. is solved. And the addition of a small amount of paper roll as an igniter, ensure the quick ignition of biomass granule, the liquid filling effect is ensured while the liquid filling guide pipe ring support frame improves the rock breaking effect.

The utility model discloses quick-burning moxa equipment which comprises a shell, an end cover is fixedly connected to the upper end of the shell, a limiting assembly is arranged in the shell, an open hole is formed in the middle of the end cover, and a fan is fixedly connected to the position, below the open hole, of the bottom end of the shell. Electrodes are fixedly connected to the positions, located on the two sides of the opening, of the bottom end of the end cover. According to the moxa cone supporting device, the distance between the supporting plates can be adjusted through the adjusting assembly, so that moxa cones with different diameters can be supported, and the moxa cones with different diameters can be supported through the pulse high-frequency oscillator composed of the diode, the triode, the capacitor and the resistor. According to the moxa cone ignition device, high-frequency voltage generated by 3-5v input voltage through the pulse high-frequency oscillator can be boosted and transformed through the transformer, then voltage with the limit of 15KV is output, electric arc is generated through point discharge of the arranged electrode, accordingly, a moxa cone can be ignited, oxygen can be supplied to the interior of the shell through the arranged fan, and the ignition speed of the moxa cone can be increased.

The present invention provides a pre-combustion chamber and an engine, the pre-combustion chamber comprising a shell, a pre-combustion chamber is formed in the lower part of the shell, a plug-in hole connected to the pre-combustion chamber and suitable for inserting a spark plug is formed in the upper part of the shell, a flame-spraying hole connected to the pre-combustion chamber is also formed in the lower part of the shell, and the length H of the pre-combustion chamber in the vertical direction is greater than or equal to the diameter D of the plug-in hole, and less than or equal to 3 times the diameter D of the plug-in hole. The pre-combustion chamber of the present invention can effectively concentrate a relatively concentrated oil-gas mixture in a limited space by setting the length H of the pre-combustion chamber within a limited range, which is conducive to the electric spark generated by the spark plug electrode to quickly ignite the oil-gas mixture to form a higher energy flame flow. At the same time, the high energy flame flow can also enter the main combustion chamber through the flame-spraying hole in the shortest path, and quickly ignite the oil-gas mixture in the main combustion chamber, thereby improving the ignition effect of the engine.

The invention belongs to the technical field of flexibility transformation of coal-fired power plant boilers, and discloses a micro-hydrogen oxygen-enriched combustion-supporting combustion device and a working method thereof.The micro-hydrogen oxygen-enriched combustion-supporting combustion device comprises a pulverized coal burner, a hydrogen burner and a pulverized coal pre-combustion chamber, the combustion end of the hydrogen burner extends to the combustion end of the pulverized coal burner, and the pulverized coal pre-combustion chamber is cylindrical; the pulverized coal pre-combustion chamber is coaxially arranged at the combustion end of the hydrogen combustor, and an annular gap is reserved between the inner wall of the pulverized coal pre-combustion chamber and the outer wall of the combustion end of the hydrogen combustor. In the pulverized coal burner, an adjustable baffle is arranged on the upstream portion of the pulverized coal pre-combustion chamber, and the adjustable baffle can guide pulverized coal airflow in the pulverized coal burner into the annular space. By means of the device, safe and stable operation of the coal-fired boiler in the starting and low-load stable combustion process can be achieved, the deep peak regulation capacity of a coal-fired unit is improved, and carbon emission is reduced.

The present application belongs to the field of diesel engine post-processing system control method, and provides a diesel engine two-stage SCR post-processing system and method, the system comprising a front-stage SCR system, a high-pressure HC injection system, a DOC system, a DPF system and a rear-stage SCR system connected in sequence along an engine turbine exhaust port; the present application uses a high-pressure HC injector to provide the HC oxidant required for DPF active regeneration, and the engine does not need to perform far post-injection to provide HC, thereby avoiding HC poisoning caused by high HC passing through the front-stage SCR; the present application uses a high-pressure HC injector to effectively improve the post-processing temperature, promote the downstream SCR to quickly ignite, and ensure the NOx conversion efficiency at low temperature; the present application does not need to add a close-coupled DOC at the front end of the front-stage SCR, and the front-stage SCR can quickly ignite; the present application effectively improves the SCR control precision and ensures the NOx emission reduction efficiency.

The invention discloses a production method of a moxa stick with a lead, and relates to the technical field of moxa stick production. The method comprises the following steps: step 1, harvesting wormwood before and after the Dragon Boat Festival, screening out weeds doped in the wormwood, carrying out stem-leaf separation on the wormwood, naturally airing the wormwood, and bundling or bagging the aired wormwood; 2, the folium artemisiae argyi obtained in the step 1 is placed in a dry warehouse to be aged, and after the age is up, the folium artemisiae argyi is taken out and smashed into velvet; 3, the aged folium artemisiae argyi is cooled through refrigeration equipment, it is avoided that in the mashing process, due to friction, the temperature of the folium artemisiae argyi rises, and consequently the medicine effect of the folium artemisiae argyi is affected, the problem that in the existing mashing process, the medicine effect of the folium artemisiae argyi is prone to loss is solved, and after the folium artemisiae argyi is rolled into moxa sticks, the folium artemisiae argyi is not prone to damage. The purpose of rapidly igniting the moxa stick is achieved by installing the oil immersion lead wire at one end of the moxa stick, and the problem that the moxa stick in the current market is difficult to ignite due to tight rolling and neat notches at the two ends is solved.

The invention provides a honeycomb body, and belongs to the technical field of combustors, the honeycomb body comprises an inner ring area, an outer ring area and a transition area, the transition area is located between the inner ring area and the outer ring area, the inner ring area is provided with a first gas outlet, the transition area is provided with a second gas outlet, and the outer ring area is provided with a third gas outlet, the air outlet area of the second air outlet is larger than or equal to that of the first air outlet, and the air outlet area of the third air outlet located on the periphery of the outer ring area is smaller than that of the transition area. By increasing the gas concentration at the inner ring or the ignition needle, the ignition success rate can be increased, and the ignition speed can be higher.

The present application belongs to the technical field of clothes treatment, and discloses a burner, a combustion heating system and a clothes treatment device. The burner comprises a burner main body and a flow guide, a gas passage is formed in the burner main body, one end of the burner main body forms a gas inlet, and the other end of the burner main body forms a gas outlet; the flow guide is connected with the burner main body and located above the gas outlet, and the flow guide is configured to guide the gas to turn back to the rear side of the flow direction. The burner is beneficial to improve the ignition speed, improve the gas utilization rate, reduce the flame length, avoid frequent on-off ignition of the gas valve, prolong the service life of the electrical control element, and is also beneficial to improve the drying efficiency of the clothes dryer.

The present invention provides a catalyst structure, an exhaust gas catalytic method and an automobile. The catalyst structure includes a shell, a first carrier, a second carrier, a partition structure and a guide valve structure. The first carrier and the second carrier are both arranged in the shell, and the first carrier and the second carrier are both located between the air inlet and the air outlet of the shell. The first carrier and the second carrier are arranged radially spaced from each other in the shell. The partition structure is arranged between the first carrier and the second carrier. The guide valve structure is rotatably installed in the shell, and the guide valve structure is arranged between the second carrier and the air inlet. The guide valve structure is used to rotate to form a first cavity structure with the partition structure, so that the second carrier is in the first cavity structure and isolated from the air inlet. Only the first carrier needs to be heated, and fewer carriers need to be heated, so that the first carrier can be quickly ignited, thereby reducing the catalyst ignition time, and the first carrier can quickly ignite to reduce the pollutants emitted.

The utility model discloses a multi-moxa-cone combined bearing plate, and relates to the technical field of moxibustion. The multi-moxa-cone combined bearing plate comprises a base, multiple sets of containing holes are formed in the base, alcohol cotton is connected into the multiple sets of containing holes, moxa cones are connected into the multiple sets of containing holes, the moxa cones are connected to the upper end of the alcohol cotton, the moxa cones extend to the surface of the base, and an insertion hole assembly is connected to a frame in an inserted mode. A containing hole is formed in the base, alcohol cotton is arranged in the containing hole, moxa cones are connected to the alcohol cotton, the moxa cones are inserted into the containing hole, the upper end of the base is connected with a frame through a padlock body, the inserting hole assembly is connected with multiple sets of inserting needles through the lower end of an inserting plate, the moxa cones are inserted through the multiple sets of inserting needles, and therefore the multiple moxa cones can be inserted at a time; the whole device is taken and carried through the handle, and the moxa cone is connected to the alcohol cotton, so that the ignition speed of the moxa cone is higher during use, and use is convenient.

The utility model relates to a composite flame burner and a lighter comprising the same, a direct fire burner (30) is fixed in the middle of an inner ignition seat (20) of the composite flame burner, an outer ignition seat (10) is sleeved outside the inner ignition seat (20), and an open fire gas supply port (B) is formed between the inner ignition seat (20) and the outer ignition seat (10). The generated direct fire can ignite fuel gas of the open fire gas supply port (B) and form open fire flames, so that composite flames with the direct fire flames inside and the open fire flames outside are formed, the size of the composite flames is obviously larger than that of traditional direct fire flames, and the composite flames have the two advantages of fast ignition and uniform combustion and are fast and convenient to use.

The invention relates to external ignition equipment and method, and belongs to the technical field of alloy production equipment and method. According to the technical scheme, a trolley (2) is arranged in a sealing plate (3) and movably arranged on a drag chain support (1), a flame detector (4), an infrared thermometer (5) and a laser welding head (7) are installed on one side of the trolley (2) through a rotating rod (6), a material pot is arranged on the rotating rod (6), and the position of the flame detector (4) is matched with that of the material pot. The device has the beneficial effects that the laser welding head is used as a heat source to ignite the ignition object, rapid ignition of the aluminothermy process is achieved, meanwhile, the drag chain support moves along the guide rail to achieve horizontal movement of the ignition device, the safety protection function is achieved, and personal safety accidents in the operation process are avoided.

The application discloses a kind of ignition control method, device, equipment and storage medium of gas stove.The method comprises: after controlling ignition control module to execute ignition operation, chip control solenoid valve control module in the electromagnetic valve executes suction valve operation;Current thermocouple feedback voltage of the thermocouple collected under current acquisition cycle is obtained;Wherein, thermocouple feedback voltage is when monitoring the ignition start signal of gas stove, when heating thermocouple is generated when controlling ignition control module to execute ignition operation;According to the historical thermocouple feedback voltage of the thermocouple collected under last acquisition cycle and current thermocouple feedback voltage, determine whether thermocouple satisfies falling trend judgment condition, and obtain trend judgment result;According to trend judgment result, control ignition control module to stop executing ignition operation, provide the voltage for electromagnetic valve by current thermocouple feedback voltage to keep suction valve, and stop chip power supply to electromagnetic valve.

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, and air outlet holes of the honeycomb body are formed through cooperation of the plane sections and the corrugated sections; the air outlet area of the air outlet holes located in the outer periphery of the honeycomb body is smaller than that of the air outlet holes located in the inner periphery of the honeycomb body. The problem that local parts protrude upwards or move downwards is solved, warping is not likely to happen, tempering is not likely to be caused, the area of the air outlet holes is uniform, fire transferring is fast, safety is high, the structure is simple, and cost is low.

The present invention relates to the technical field of gasoline, particularly to a sustainable lead-free aviation gasoline fuel composition, which comprises the following components by volume: 5-20 parts of toluene; 10 to 25 parts of xylene; 5 to 10 parts of aniline; 20-55 parts of an alkane mixture; 5-15 parts of sustainable aviation fuel; and 2-5 parts of fuel ethanol. The method for preparing the sustainable lead-free aviation gasoline fuel composition comprises the following steps: firstly mixing a mixture of toluene, xylene and alkane and sustainable aviation fuel, then adding aniline and fuel ethanol, and stirring for 1 hour to complete mixing of the lead-free aviation gasoline fuel composition. The lead-free aviation gasoline fuel composition has the characteristics of high octane number, low sulfur content, low oxygen content and the like, and all the components are generated in a sustainable production mode, so that the burden of wastes on the environment is reduced, and the influence of carbon emission on the environment is reduced.

The utility model discloses an energy -conserving high -efficient gas stove device, including the gas chamber of receiving fuel gas in the stove body and the infrared line honeycomb combustor of being located on the gas chamber, and the premixing device of being connected with the air and fuel gas of gas chamber according to the proportion mixing, and the gas pipe line of being equipped with between the gas outlet of premixing device and gas chamber. Premixing device includes fan, and the air inlet of fan's air port is equipped with venturi, and venturi is equipped with air inlet and fuel gas inlet pipe, and fuel gas inlet pipe is equipped with proportional valve. The utility model has realized the accurate control of firepower size in the industrial food processing and preparation, has improved the thermal efficiency, and saves energy simultaneously.

The utility model relates to the technical field of winding plastic pipe production, and discloses a uniform-combustion flame spraying barrel which comprises a spraying barrel body, and the spraying barrel body comprises a base, a cavity, a wafer assembly and an igniter; an air inlet is formed in the base; a fixed shaft rod penetrating through the base is arranged on a central shaft of the base; the extending end of the fixing shaft rod is fixed to the center of the wafer assembly. The wafer assembly is provided with four circles of through holes evenly distributed in the radial direction of the wafer assembly. A plurality of T-shaped tooth structures are arranged on the edge of the wafer assembly, and each T-shaped tooth structure is composed of a vertical section and a transverse expansion section; the igniter penetrates through the base and the wafer assembly and is arranged on the vertical section of the T-shaped tooth structure. The specific flame spraying barrel is adopted, so that the problems of uneven combustion and large temperature fluctuation of a traditional flame spraying barrel are effectively solved, harmful emissions generated by incomplete combustion are reduced, and environmental protection is facilitated.