95results about How to "Easy to ignite" patented technology

The invention provides a methanol preheating and catalytic cracking system for a methanol engine, a ship and a control method, and belongs to the technical field of ship methanol engines. The problems that an existing methanol engine is difficult in cold start and methanol gasification are solved. The system comprises a methanol engine, a methanol storage tank, a water storage tank, a heat exchanger, an inlet temperature sensor and an outlet temperature sensor, one passage of a third three-way valve is connected with the waste gas output end of the methanol engine, the other passage of the third three-way valve is connected with another cooling water pipeline, and the methanol output end of the heat exchanger is connected with the methanol input end of the methanol engine. The methanol input end is connected with the methanol storage tank, a methanol pump is arranged on a methanol conveying pipeline between the methanol storage tank and the heat exchanger, two passages of the first three-way valve are arranged between the methanol conveying pipelines, and the inlet temperature sensor and the outlet temperature sensor are respectively arranged at a methanol inlet and a methanol outlet of the heat exchanger. The method is mainly used for starting the methanol engine.

The utility model discloses a switching mechanism of a rotary double-flame lighter based on a grinding wheel driving wheel and a lighter, and the double-flame lighter comprises a gas box, a first flame generating head, a second flame generating head, a first gas pipe for connecting the gas box and the first flame generating head, a second gas pipe for connecting the gas box and the second flame generating head, and a grinding wheel ignition unit, the grinding wheel ignition unit comprises a grinding wheel arranged in a rotating mode and a driving wheel matched with the grinding wheel in a coaxial rotating mode, the switching mechanism comprises a switching block, and the switching block is matched with a driving shaft in a sliding mode in the axial direction. When the driving shaft is located at the first position in the axial direction, the switching block and the first air pipe form air channel release fit, and when the driving shaft is located at the second position in the axial direction, the switching block and the first air pipe form air channel cut-off fit.

The invention discloses an ammonia-doped coal ignition structure, an ammonia-doped coal burner and an ammonia-doped coal ignition method. The ammonia-doped coal ignition structure comprises an ignition channel, a first-stage fuel channel, a first-stage combustion-supporting channel, a second-stage fuel channel, a second-stage combustion-supporting channel and a main combustion chamber. Fuel in the ignition channel can be ignited through the ignition electrode, primary combustion of ammonia fuel is ignited through ignition flames from the ignition nozzle, then multi-stage ignition combustion of coal doped with ammonia is achieved, ignition is easier, control is easy, the flames are more stable, and meanwhile emission of nitric oxide is greatly reduced. The coal-doped ammonia ignition structure is adopted in the coal-doped ammonia burner, and the coal-doped ammonia ignition method is suitable for the coal-doped ammonia ignition structure and the coal-doped ammonia burner.

The utility model discloses an intake preheating system of a methanol engine, the methanol engine and a vehicle, the intake preheating system comprises a methanol heater and an intake pipe, and a heated air outlet of the methanol heater is connected with an air inlet of the intake pipe through a heater throttle valve; an air outlet of the air filter is connected with an air inlet of the air inlet pipe through a throttle valve; according to the utility model, when the engine is in cold start, hot air heated by the heater is continuously input and directly enters the air inlet header pipe of the engine, so that the temperature after the hot air is mixed with fresh inlet air is increased, the air participating in ignition is hot air, and the success of low-temperature start of the methanol engine is further realized.

The invention relates to the field of fire coal emission reduction control, and discloses an ammonia gas and coal mixed combustion method and system. According to the ammonia gas and coal mixed combustion method, coal particle raw materials are partially pyrolyzed into semi-coke and pyrolysis gas in an oxygen-free atmosphere, the pyrolysis gas and ammonia gas are premixed to obtain mixed fuel gas, ignition of the ammonia gas and improvement of combustion stability are facilitated, then the semi-coke, the mixed fuel gas and the coal particle raw materials are combusted together in a fluidized bed combustion furnace, and the coal particle raw materials are combusted in a combustion furnace. The combustion efficiency is effectively improved, and the use of fossil fuel and the emission of pollutants are reduced; the semicoke can be used as an ammonia gas catalyst to improve the ammonia gas oxidation efficiency and control the generation of nitrogen oxides to a certain extent, and the fluidized bed combustion furnace is also provided with a reduction area for reducing the nitrogen oxides, so that the generation of the nitrogen oxides is further reduced. The whole process has high combustion efficiency, combustion stability and raw material utilization rate, generation of nitric oxide is effectively reduced, the used system facilitates control over the combustion process, and actual use is facilitated.

The invention discloses a camshaft phase correction method and device and a vehicle. According to the camshaft phase correction method, working data of a calibration prototype under a preset working condition are obtained in advance, and the camshaft phase of the calibration prototype under the preset working condition is obtained according to the working data of the calibration prototype under the preset working condition; when the to-be-tested engine meets the triggering condition, the camshaft phase of the to-be-tested engine under the preset working condition is obtained according to the working data of the to-be-tested engine under the preset working condition; calculating an actual phase deviation value between the camshaft phase of the to-be-measured engine under the preset working condition and the camshaft phase of the calibration model machine under the preset working condition; judging whether a difference value between the actual phase deviation value and an initial deviation value of the to-be-detected engine is greater than a preset threshold value or not; and if not, correcting the operation of the to-be-tested engine according to the actual phase deviation value when the to-be-tested engine operates next time. Intake and exhaust amount deviation caused by camshaft phase deviation of the engine can be reduced, and the engine can achieve the optimal combustion effect.

The invention belongs to the related technical field of methanol hydrogen engines, and discloses a methanol and cracked gas integrated multi-injection system which comprises a methanol engine assembly, a methanol fuel tank, a methanol cracker, a methanol high-pressure pipeline, a methanol low-pressure pipeline and a methanol cracked gas pipeline, the methanol engine assembly comprises a methanol hydrogen ejector; one end of the methanol high-pressure pipeline is connected with a first outlet of the methanol fuel tank, and the other end is connected with an inlet I of the methanol hydrogen ejector; one end of the methanol low-pressure pipeline is connected with a second outlet of the methanol fuel tank, and the other end is connected with an inlet of the methanol cracker; one end of the methanol cracking gas pipeline is connected with an outlet of the methanol cracker, and the other end is connected with an inlet II of the alcohol-hydrogen ejector. Accurate control over the amount of cracked gas entering a cylinder is achieved, the injection amount is adjusted according to parameter changes of mixed gas in the cylinder, simultaneous or independent injection of methyl alcohol and cracked gas of the methyl alcohol is achieved through the alcohol-hydrogen injector, and different fuel control modes can be adopted according to different working conditions.

A plasma ignition and stable combustion control system comprises a main control unit, a plasma direct-current power supply control cabinet, a plasma generator, an FSSS system, a DCS and a sensing unit. The main control unit is in communication connection with the FSSS system and the DCS; the signal output end of the plasma direct-current power supply control cabinet is connected with the FSSS system; the sensing unit comprises a plasma generator state sensor, a plasma generator wall temperature sensor, a cooling water mother pipe pressure sensor and an air heater air outlet temperature sensor; the plasma generator state sensor and the plasma generator wall temperature sensor are connected with the input end of the main control unit; the cooling water mother pipe pressure sensor and the air heater air outlet temperature sensor are connected with the input end of the DCS. According to the utility model, the optimization of the ignition and stable combustion process of the boiler in the thermal power plant is realized, the rapidness and stability of ignition are ensured, and the energy utilization efficiency and the environmental protection level are improved at the same time.

The invention discloses a silver powder preparation method, and relates to the technical field of silver powder preparation. Comprising the following raw materials: cellulose, latex powder, starch mud, titanium dioxide, 821 putty powder and water. Wherein the mass ratio of the cellulose to the latex powder is 1: 0.5, the mass ratio of the starch mud to the water is 1: 0.4-0.6, the mass ratio of the titanium dioxide to the silver powder is 1: 0.5, and the mass ratio of the 821 putty powder to the water is 1: 0.5. By optimizing the raw material ratio and the preparation steps, the preparation process of the silver powder is simplified, the production cost is reduced, the prepared silver powder has the flashing effect, is easy to ignite and not prone to fading, the market competitiveness of the product is improved, the silver powder is directly brushed after being evenly mixed, complex treatment is not needed, mastering and operation are easy, water with the specific ratio is adopted, and the production cost is reduced. The drying process of the coating is accelerated, and the production efficiency is improved.

The application discloses a hot water boiler based on a porous medium burner, which comprises a hot water boiler shell, wherein the hot water boiler shell comprises a boiler barrel, the outer side of the boiler barrel is provided with a water jacket for storing water, and the inside of the boiler barrel is fixedly provided with a porous medium burner; the inner cavity of the porous medium burner comprises a combustion reaction zone, the two ends of the combustion reaction zone are provided with anti-backfire areas, the two ends of the porous medium burner are provided with mixed gas inlets, the mixed gas inlets are connected with mixed gas input pipelines, one end of the mixed gas input pipelines extends out of the hot water boiler shell and is connected with a gas fuel supply device; the porous medium burner is internally provided with an ignition device, mixed gas flows into the combustion reaction zone from the mixed gas input pipelines and is ignited by the ignition device, heat generated by combustion of the mixed gas heats water in the water jacket, flue gas is discharged from the combustion reaction zone through the pores of the porous medium of the porous medium burner and is discharged into a flue gas treatment mechanism connected with the hot water boiler shell, the gas utilization rate is improved, and the heat diffusion speed is slowed down.

The utility model discloses an ever-burning fire assembly which comprises a support, an ever-burning fire burner and an ignition needle, and the support is provided with a gas baffle. The pilot flame burner is located on the right side of the gas baffle and provided with a fuel gas supply channel, a fuel gas inlet and a fuel gas ejection opening, and the fuel gas ejection opening is formed in the left side edge of the pilot flame burner; the ignition needle is located between the long open fire burner and the gas baffle, and the gas baffle and the ignition needle are both arranged opposite to the fuel gas spraying opening. According to the utility model, the gas baffle is arranged on the left side of the ever-burning flame burner, when the gas is ejected from the gas ejection port, the gas is blocked by the gas baffle, and a vortex is formed between the gas baffle and the ever-burning flame burner, so that the gas is more easily ignited by the ignition needle, and the ignition success rate of the ignition needle is further improved.

The utility model provides a plasma ignition device. The plasma ignition device comprises a shell, a plasma generator, a primary air pipe, a secondary air pipe, an ignition cavity, a combustion stabilizing cavity and a device stabilizing structure. A nozzle of the plasma generator extends into an ignition cavity in the shell, the outlet end of the ignition cavity is communicated with the stable combustion cavity, the primary air pipe is communicated with an inlet of the ignition cavity, and the secondary air pipe is communicated with the stable combustion cavity. The device stabilizing structure comprises a fixing frame, a fixing table and elastic assemblies, one end of the fixing frame is connected with the boiler, the fixing table is perpendicularly arranged on the fixing frame, a circular groove capable of being arranged on the outer surface of the shell in a sleeving mode is formed in the fixing table, and the multiple elastic assemblies are arranged on the circumference of the surface of the circular groove. The elastic assembly comprises a spring and a positioning rod, the positioning rod is sleeved with the spring, one end of the positioning rod is fixedly connected with the surface of the circular groove, and the length of the positioning rod is one third of the length of the spring without stress. And stable ignition combustion of the plasma ignition device is realized.

The invention relates to the technical field of high-activity metal powder, in particular to high-environmental-stability aluminum-lithium alloy powder and a manufacturing method and application thereof.The high-environmental-stability aluminum-lithium alloy powder comprises, by weight, 1.0-10.0 wt.% of Li, 1.0-10.0 wt.% of Al, 1.0-10.0 wt.% of Ti, 1.0-10.0 wt.% of Ti, 1.0-10.0 wt.% of Ti, 1.0- 0.1 to 5.0 wt.% of Zr; 0.01 to 2.0 wt.% of Ti; 0.05 to 3.0 wt.% of RE; wherein RE is a rare earth element and at least comprises Y, Ce, La or a combination thereof, the sum of Zr, Ti and RE does not exceed 8.0 wt.%, and the balance is Al and inevitable impurities. The method has the effect of improving the use stability and the machining consistency of the aluminum-lithium alloy powder.

The utility model provides a multifunctional lighter which comprises a main lighter body, an installation base is fixedly installed at the bottom of the main lighter body, a first blade is fixedly installed on one side of the installation base, two sets of connecting plates are fixedly installed on the two sides of one end of the first blade, and sliding grooves are formed in one sides of the two sets of connecting plates and one side of the first blade. The sliding groove is in sliding connection with a second blade. According to the cigar lighter, the sliding key, the connecting rod and the sliding base are matched, the second blade can be conveniently driven to move flexibly, meanwhile, the first blade and the second blade are matched, cigars can be sheared and ignited at the same time, and therefore a user can shear the tops of the cigars open and ignite the cigars only by carrying the cigar lighter, and the cigar lighter is convenient to use. The practicability of the product is improved; through the cooperation of the connecting groove and the plug, when the first blade and the second blade are not used, the situation that when a user takes the main machine body, the fingers touch the first blade and the second blade by mistake, and consequently injuries are caused is avoided, and the safety of the product is improved.

The utility model relates to maintenance equipment for a concrete base foundation in a power transmission line. The maintenance equipment comprises an electric heating steam generation module, a transmission pipe, a maintenance cover and a movable base, the electric heating steam generation module comprises a steam unit and a water supply unit which are arranged on the upper surface of the movable base, and a plurality of universal wheels are arranged on the lower surface of the movable base; the steam unit comprises a first shell, a water inlet and a steam outlet are formed in the first shell, a heating pipe is arranged in the first shell, and the two ends of a conveying pipe communicate with the steam outlet and the curing cover correspondingly. Liquid used for evaporation is provided for the steam unit through the water supply unit, high-temperature and high-pressure gas evaporated through the steam unit is conveyed into the curing cover through the conveying pipe, and the heat preservation and moisture preservation effects are achieved on the concrete foundation, so that the curing effect of the concrete foundation is improved, and the possibility of cracking and dusting of the concrete foundation poured in winter is avoided; and potential safety hazards are reduced.

The present invention relates to the technical field of metal aluminum fuel energy storage and utilization, specifically to a molten aluminum combustion system and method with added stabilizer. The system of the present invention includes a molten aluminum combustion reaction device, a stabilizer production device and a steam generating device connected to the molten aluminum combustion reaction device; the molten aluminum combustion reaction device includes a combustion chamber, an ignition device, and a gas distribution device; the combustion chamber is a quartz vertical reaction chamber, with cover plates provided at the top and bottom respectively, the top gas phase outlet is connected to a cooling system and an analysis unit in sequence, and a stabilizer inlet is provided at the bottom; the ignition end of the ignition device extends into the interior of the combustion chamber; the outlet of the gas distribution device is connected to the combustion chamber; a heat exchange medium inlet, a steam inlet and a stabilizer outlet are provided on the stabilizer production device; the heat exchange medium inlet is connected to the heat exchange medium outlet of the cooling system; the stabilizer outlet is connected to the stabilizer inlet; the steam generating device includes a steam chamber provided at the top of the combustion chamber, and the steam outlet of the steam chamber is connected to the steam inlet.

This invention relates to the field of moxibustion technology and discloses a combined moxibustion device, including a combined moxibustion chair, a combined moxibustion box, and a purifier. The combined moxibustion chair includes a backrest with a moxibustion box mounted on it, and a box-shaped ruler is provided on the edge of the moxibustion box. The combined moxibustion box includes a U-shaped shell with box-shaped rulers on both sides. A U-shaped track and a walking mechanism that moves along the U-shaped track are provided inside the U-shaped shell, and the walking mechanism drives the moxibustion cylinder to move. The purifier includes a cylinder sealed at both ends, with several heat exchange tubes axially passing through the cylinder. Activated carbon is filled between the outside of the heat exchange tubes and the cylinder. Both the box-shaped ruler and the box-shaped ruler include a sliding groove. The sliding groove is uniformly connected to slats, with adjacent slats in contact. A spring connects the slats to the bottom of the sliding groove. This invention uses an elastic ruler to ensure that the ruler is always in contact with the patient and to ensure sealing. Through the U-shaped track and the walking mechanism, large-area moxibustion can be performed with good results. It utilizes the heat energy of flue gas, reducing energy waste.

This invention belongs to the field of iron and steel metallurgy technology, specifically relating to a staged combustion system and process for a gas boiler. The system includes a burner connected to the gas boiler, a combustion-supporting gas structure, and a combustion-supporting air structure. The burner includes a combustion stabilizing plate, located at the front end of the burner and connected to the gas boiler. The combustion stabilizing plate has three layers of staged ignition units evenly arranged around its center: an inner layer, a middle layer, and an outer layer. The middle layer ignition unit includes multiple externally mixed combustion nozzles, where combustion-supporting air and gas mix outside the combustion stabilizing plate. The outer layer ignition unit includes multiple internally mixed combustion nozzles, where combustion-supporting air and gas mix inside the combustion stabilizing plate. The combustion-supporting gas structure provides fuel to the burner, and the combustion-supporting air structure provides combustion-supporting air to the burner. This invention effectively achieves complete combustion of the gas, reduces nitrogen oxide production, and provides a stable flame, demonstrating good performance in terms of safety, environmental protection, and efficiency.

The invention relates to a miniaturized laser ignition SiP module, which comprises electrode pins, a circuit substrate, a laser chip, a detector chip, a focusing lens group, a security switch, an ignition window, a packaging shell and a functional circuit, and is characterized in that a bonding pad is arranged on the circuit substrate, and a plurality of layers of metal wires are printed on the circuit substrate and are used for welding the laser chip, the detector chip and the functional circuit; the circuit substrate is fixed in the packaging shell, and overall airtightness is achieved through seal welding. When the ignition SiP module works, an external circuit signal is transmitted into the functional circuit through the electrode pins, the functional circuit controls the laser chip, the detector chip and the security switch, the laser chip outputs laser, the detector chip feeds back and outputs laser power, the focusing lens group focuses the laser, and the laser is output from the ignition window through the security switch to complete ignition. Based on the SIP technology, devices are assembled on the front layer and the back layer of the circuit substrate to achieve the laser ignition module, the size of an existing ignition module is greatly reduced, and an efficient and compact laser ignition solution is provided.

The present application relates to the technical field of boiler combustion and discloses a multi-stage coal powder burner, which comprises an outer combustion cylinder, an inner combustion cylinder, an adjuster and a combustion stabilizer, the inner combustion cylinder is arranged inside the outer combustion cylinder, a channel is formed between the outer combustion cylinder and the inner combustion cylinder, the adjuster is connected with the outer combustion cylinder, the adjuster is used for guiding mixed gas flow, the mixed gas flow can be divided into a first-stage gas flow flowing through the inner combustion cylinder and a second-stage gas flow flowing through the channel, the adjuster is used for adjusting the flow of the first-stage gas flow and the second-stage gas flow, the combustion stabilizer is connected with the inner combustion cylinder, the combustion stabilizer is provided with a flame spout, the flame spout is arranged in the inner combustion cylinder and is used for spouting a flame to ignite the first-stage gas flow and the second-stage gas flow step by step. The multi-stage coal powder burner of the present application can adapt to different coal types to realize rapid ignition and stable and sufficient combustion.

The utility model discloses a moxibustion chair convenient for fixing moxa cones, which belongs to the technical field of health-care chairs, and particularly comprises a chair, and the chair comprises a seat cushion and a backrest which are connected and form an included angle; a first moxibustion cavity is formed in the seat cushion, a first taking and placing box is arranged in the first moxibustion cavity, a first moxibustion box is arranged in the first taking and placing box, and a first moxa cone is arranged in the first moxibustion box through a first clamping mechanism; a second moxibustion cavity is formed in the backrest, a placement box is arranged in the second moxibustion cavity, a second taking and placing box is arranged in the placement box, a second moxibustion box is arranged in the second taking and placing box, and a second moxa cone is arranged in the second moxibustion box through a second clamping mechanism; the first moxa cone is fixed in the first moxa-moxibustion cavity through the first moxa-moxibustion box and the first clamping mechanism, the second moxa cone is fixed in the first moxa-moxibustion cavity and the second moxa-moxibustion cavity through the second moxa-moxibustion box and the second clamping mechanism, the structure is simple, operation of a user is facilitated, and the first moxa cone or the second moxa cone can be conveniently taken and placed.

The invention relates to a gas hydrogen and liquid oxygen torch ignition system and method for an expansion cycle hydrogen-oxygen engine. The system comprises an ignition chamber, a thrust chamber, a hydrogen main valve, an oxygen main valve, an oxygen main cavitation tube, a hydrogen pump, an oxygen pump, a hydrogen turbine, and an oxygen turbine. The ignition chamber is a torch ignition chamber, the hydrogen pump is coaxially connected with the hydrogen turbine, and the oxygen pump is coaxially connected with the oxygen turbine. The ignition chamber is connected with the thrust chamber. Liquid hydrogen is pressurized by the hydrogen pump and then heat-exchanged by a thrust chamber jacket to become gas hydrogen, and then enters the hydrogen turbine to do work and drive the hydrogen pump to rotate, and then flows from the hydrogen turbine outlet to the oxygen turbine, driving the oxygen turbine to drive the oxygen pump to rotate, the output end of the oxygen pump is connected to the oxygen main cavitation tube, the oxygen main cavitation tube is divided into two paths, one is connected to the thrust chamber through the oxygen main valve, and the other is connected to the ignition chamber; the output end of the oxygen turbine is divided into two paths, one is connected to the thrust chamber through the hydrogen main valve, and the other is connected to the ignition chamber; the liquid oxygen in the ignition chamber is drawn out from behind the oxygen pump and before the oxygen main valve, and the gas hydrogen is drawn out from behind the oxygen turbine and before the hydrogen main valve.

This invention relates to a biomass gasification system and method with dust removal function, including a gasifier, a burner, a raw material supply module, and a dust collection device. The raw material supply module is used to transport pulverized green waste or other biomass raw materials to the gasifier for gasification to generate biomass fuel gas. The inlet of the dust collection device is located near the outlet of the raw material supply module, and is used to extract dust entrained during the process of the raw material falling into the gasifier. The dust includes sawdust, glue fragments, and other lightweight combustible particles. The outlet of the dust collection device is connected to the oxygen supply path of the burner, and is used to introduce the dust into the burner to mix and burn with the biomass fuel gas. This invention, by constructing a closed-loop path of "dust extraction-reburning," can significantly reduce coking in the gasifier, improve gasification efficiency and burner temperature rise rate, achieve efficient recovery and utilization of dust energy, and enhance the overall operational stability and thermal output efficiency of the system.

The structure comprises a gas conveying pipeline, one end of the gas conveying pipeline is connected with fuel gas, the other end of the gas conveying pipeline extends into a pot, and an ignition mechanism and / or an ignition structure are / is arranged on the gas conveying pipeline. The invention provides a structure for leading fire into a pot and a fire cover, which can lead flame into the pot without tossing the pot to realize quick frying.

The invention relates to the technical field of fuel nozzles, and discloses a fuel nozzle structure with a multi-ring nesting, which comprises a combustion cylinder, the multi-ring nesting is arranged in the combustion cylinder, a plurality of fuel nozzles are arranged in the combustion cylinder through the multi-ring nesting, each fuel nozzle comprises a main pipeline, a sleeve and an oil injection inner pipe, the main pipeline is clamped with the multi-ring nesting, and the sleeve is clamped with the oil injection inner pipe. The sleeve sleeves the upper end of the outer surface of the main pipeline, the oil injection inner pipe is arranged at the lower end in the main pipeline, a plurality of air inlet holes are formed in the side wall of the main pipeline and located at the lower end in the sleeve, an air inlet channel is formed in the space between the sleeve and the main pipeline, and spiral blades are arranged in the air inlet channel. According to the fuel nozzle structure with the multi-ring nesting structure, the spiral blades are arranged, so that airflow entering the air inlet channel can be effectively guided, friction and resistance between the airflow and the inner wall of the nozzle pipeline are reduced, vortex and backflow of the airflow are avoided, the airflow uniformity in the airflow flowing process is guaranteed, and the gas flow is increased.

A low-heating-value fuel gas air duct combustor comprises an ignition gun, an ignition air gun, a pneumatic propelling device of the ignition air gun, a main gas spray gun, a stable combustion device, an anti-radiation cylinder, an air distribution cylinder and an electric adjusting air door part. The other end of the air distribution cylinder is inserted into the anti-radiation cylinder; one end of the main gas spray gun is provided with a main gas flange connected with a gas pipeline, and the other end is provided with a stable combustion device and a gas nozzle; an inclined nozzle is arranged at the front end of the gas nozzle and inclines towards the center of the stable combustion device by an angle, and a plurality of gas spraying holes are evenly distributed in the inclined nozzle. An installation panel is arranged on the side face of the air duct and provided with an electric actuating mechanism, a pneumatic propelling device support, a flame detection guide pipe, an ignition air gun and a main gas spray gun guide pipe. By utilizing the surplus low-calorific-value gas, the system complexity is reduced, the operation cost input is reduced, the low-calorific-value gas can be directly ignited, the flame is stable and good in rigidity, the problem that the low-calorific-value gas is difficult to ignite is effectively solved, and the system can be applied to various working conditions of primary air flue heating.

The utility model discloses an oil rail assembly and a vehicle, and relates to the technical field of oil rails. The heating assembly comprises an electromagnetic heating body and an electromagnetic coil, the electromagnetic heating body is arranged on the outer portion of the oil rail shell in a sleeving mode, the electromagnetic coil is wound around the outer portion of the electromagnetic heating body, and the oil rail shell is integrally wrapped by the electromagnetic heating body; and the insulation heat preservation layer is arranged between the electromagnetic coil and the electromagnetic heating body. According to the technical scheme, the technical problem that an existing fuel rail is poor in fuel heating effect is solved.

The invention relates to a gas-solid two-phase supersonic flame generating device. The gas-solid two-phase supersonic flame generating device comprises a generator main body and a Laval nozzle connected with the generator main body, the generator main body comprises a coaxial feeding section, a combustion chamber section and a particle heating section which are coaxially and sequentially arranged; the Laval nozzle is connected with one end, far away from the combustion chamber section, of the particle heating section; the coaxial feeding section is provided with a fuel input structure, an oxidant input structure and a powder input structure; the combustion chamber section is provided with a spark plug, and the spark plug is located at the end, connected with the particle heating section, of the combustion chamber section. And the particle heating section is provided with a temperature sensor and a pressure sensor. High-temperature gas generated by supersonic flame is utilized, on the basis that a new device is not additionally introduced, the heating time of powder particles is effectively prolonged, and the purpose of providing molten particles is fully achieved.

The utility model discloses a massage moxibustion device which comprises a shell, the bottom of the shell is connected with a massage head through threads, a fixing ring is integrally formed on the inner wall of the bottom of the massage head, a ball cavity is formed in the outer wall of the bottom of the fixing ring, a rolling ball is arranged in the ball cavity, a supporting plate is fixed to the inner wall of the shell, and a moxa cone is fixed to the outer wall of the bottom of the supporting plate. An inserting hole is formed in the shell, a fixing cylinder is movably inserted into the inserting hole, filtering cotton is fixed into the fixing cylinder, a pull rod located at the top of the filtering cotton is fixed to the inner wall of the fixing cylinder, and a supporting net located at the bottom of the fixing cylinder is fixed into the shell. According to the moxibustion device, the massage head and the rolling ball are arranged, and the rolling ball is arranged at the bottom of the massage head, so that a patient can be massaged through the rolling ball while moxibustion is carried out on the patient through the moxa cone, the function of the moxibustion device is increased, and the application range of the moxibustion device is wider.

The utility model provides a big flame lighter which comprises a gas storage structure, a gas outlet structure and an ignition structure, the gas outlet structure comprises a gas distribution cavity, the gas distribution cavity is provided with a gas inlet channel connected with the gas storage structure and gas outlets matched with the ignition structure, and the gas inlet channel is simultaneously communicated with a plurality of gas outlets through the gas distribution cavity; the gas distribution cavity comprises a bottom plate provided with a gas inlet channel and a distribution plate provided with a plurality of gas outlets, and the gas outlets can be linearly arranged on the distribution plate or arranged to form a geometric pattern; when the device ignites, the plurality of gas outlets simultaneously discharge gas to form big flames, the flames can be arranged in different forms according to the design of the distribution plate, particularly, a fire wall can be formed when the flames are linearly arranged, the ornamental value is high, the temperature distribution of the flames is relatively uniform, and a plurality of target objects can be conveniently ignited at the same time.