55results about How to "Burn evenly" patented technology

The invention discloses a high-stability low-load burner and a control method thereof, and solves the problem that when pulverized coal of an existing burner passes through a primary air pulverized coal pipe, granular pulverized coal is easily adsorbed in the inner wall of each air duct in the primary air pulverized coal pipe, and coking matter and blocking matter which are difficult to clean are formed. Comprising a combustor mounting base, a combustor body, a combustion ignition assembly and an anti-coking mechanism, the combustor body comprises a feeding pipe, a fuel processing pipe, a pressurized air duct and a cyclone dispersing pipe, and the anti-coking mechanism is arranged in the pressurized air duct; according to the anti-coking combustor, the anti-coking mechanism is arranged, the anti-coking mechanism is driven by flowing of pulverized coal, accelerated release of the pulverized coal in the pressurized air duct is achieved, meanwhile, the pulverized coal adsorbed on the inner wall of the pressurized air duct is effectively scraped away, and therefore coking matter and blocking matter in the pressurized air duct are avoided, and the stability and combustion efficiency of the combustor are guaranteed.

The ironmaking metallurgical coke screening device comprises a screening box and a feeding mechanism, a first installation base is arranged on the side portion of the screening box, and the first installation base, a first driving motor, a first bevel gear, a second bevel gear, a first belt wheel, a belt and a second belt wheel are sequentially connected. The belt pulley I and the belt pulley II are sequentially connected with a bevel gear III, a bevel gear IV and a cam through connecting shafts respectively; the screening box is provided with a fixing frame, and the fixing frame is connected with the cam. The screening box is provided with a sliding groove, the sliding groove, the first sliding block, the screen and the spring are sequentially connected, and the end, away from the side wall of the screening box, of the spring is fixedly connected with the screen. According to the coke screening device, the first driving motor is started to finally drive the screen to shake repeatedly, coke blocks and coke powder are screened, and the problem that original manual screening is low in efficiency is solved.

The present invention discloses a gas low-nitrogen burner and a combustion method that couples barrier wind with staged combustion. Through the three-dimensional arrangement of gas, air and barrier wind nozzles, air, gas and 20% to 25% of recycled flue gas are evenly divided into three stages as barrier wind and delivered into the furnace. The barrier wind can delay the direct contact between air and gas, so that the gas is fully mixed with the air before ignition and is evenly diluted by the barrier wind, thereby achieving uniform combustion and uniform temperature field in the space. At the same time, the barrier wind can also reduce the oxygen partial pressure, absorb the released heat, and reduce local high-temperature areas; in addition, through the three-dimensional arrangement of gas and air and the reasonable step-by-step distribution of gas and air into the furnace, the high-temperature combustion area is controlled to create a reducing atmosphere, even in the presence of NO x The present invention couples the barrier wind and staged combustion technology to reduce the NO x The emission concentration is reduced to less than 30mg / Nm 3 It is suitable for newly built or existing low-nitrogen gas boiler projects and has broad application prospects.

A built-in parallel type solid fuel-liquid oxidizing agent mixing engine comprises an oxidizing agent conveying-jetting integrated device, a front sealing head, a solid fuel with a shell, a spraying pipe and an ignition device. One surface of the front sealing head is connected with the oxidant conveying-jetting integrated device through screws, and the other surface of the front sealing head is connected with the solid fuel with the shell; one surface of the front sealing head is connected with the oxidant conveying-jetting integrated device through screws, and the other surface of the front sealing head is connected with the solid fuel with the shell; the front sealing head is provided with a first sealing groove; the first sealing groove is provided with a first sealing ring; the combustion chamber shell is provided with a second sealing groove; and the second sealing groove is provided with a second sealing ring. The system structure is simplified, and the weight of the engine is reduced; and meanwhile, powerful conditions are provided for efficient and uniform combustion of fuel-rich gas and an oxidizing agent, and therefore the energy release efficiency of the engine is improved.

The invention discloses a low-emission combustion chamber head structure adopting a V-shaped blade tail end, relates to the technical field of graded low-pollution combustion chambers of gas turbines, and solves the problem that the combustion stability is poor due to the fact that the combustion chamber head structure is short in service life and uneven in outlet airflow. Wherein the on-duty stage consists of a swirler, a venturi tube and a centrifugal nozzle; the main combustion stage is composed of an oblique radial swirler, a swirl vane, a V-shaped tail end vane, an annular oil collecting cavity and a direct injection type nozzle. An oblique radial swirler is used in the main combustion stage, and the axial length of the head of the swirler can be reduced while the swirling strength is guaranteed. According to the main combustion stage, a discrete multi-point direct injection type nozzle is adopted for initial pressure atomization, then fuel oil liquid drop crushing and mixing are enhanced through a V-shaped tail end structure, fuel oil is fully premixed in a rotational flow channel, pollutant emission can be greatly reduced, and then ultralow emission is achieved; the combustion chamber head structure is integrally designed and is convenient to replace and maintain.

The utility model provides a grate type combustion furnace which comprises a furnace body, a cavity is arranged in the furnace body, an ignition mechanism is arranged in the cavity, an air supply port, a fuel feeding port and a high-temperature smoke outlet are arranged on the furnace body, and the grate type combustion furnace is characterized in that a plurality of layers of grate plates which are sequentially overlapped in a staggered mode are arranged in the cavity of the furnace body from top to bottom, and the high-position ends of the plurality of layers of grate plates are connected with the fuel feeding port. The rest of the grid plates extend towards the high-temperature flue gas outlet, the heights of the grid plates are reduced layer by layer, a plurality of air holes are formed in the grid plates, the multiple layers of grid plates are connected with a translation driving mechanism, and the air holes are connected with external air supply equipment through an air supply mechanism. The horizontal moving driving mechanism drives the multiple layers of grid plates to stretch and retract forwards and backwards, so that fuel on the multiple layers of grid plates can continuously move from the fuel feeding port to the high-temperature flue gas outlet and is evenly laid on each layer of grid plates. Hot air supplied by external air supply equipment can be introduced into the cavity through the air holes, so that fuel continuously floats in the furnace body, and the effects of uniform preheating and uniform combustion are achieved. The quick separation of volatile components in the biomass fuel is improved, the combustion efficiency of the fuel can be improved, and the generation and emission of harmful substances are reduced.

The invention discloses a device for improving the cold start efficiency of a methanol engine, which comprises an engine, the engine is provided with an air inlet channel, an air cylinder and an air exhaust channel, the air exhaust channel comprises a heating section parallel to and adjacent to the air inlet channel, the heating section and the air inlet channel are separated from each other by a heating wall, the heating section is provided with a heating coil, and the heating coil is connected with the air cylinder. A spray head of an oil sprayer is arranged in the air inlet channel, and the spray head sprays towards the heating wall. The invention further provides a control method for improving the cold start efficiency of the methanol engine. The control method is achieved through the device for improving the cold start efficiency of the methanol engine. By the adoption of the technical scheme, when the nozzle sprays towards the heating wall, fuel can make contact with the heating wall immediately after being jetted, the heating wall provides heat through the heating coil or waste gas, the jetted fuel is rapidly atomized, the mixing effect of the fuel and air is improved, more uniform combustion is facilitated, and therefore the starting efficiency of an engine is improved.

The utility model relates to the technical field of steel ladle baking, in particular to a burner height adjustable steel ladle roaster which comprises a roaster body, supporting bottom columns are fixedly connected to the four corners of the bottom of the roaster body, supporting discs are fixedly connected to the bottoms of the supporting bottom columns, and a fixed supporting column is fixedly connected to the middle of the roaster body. A first sliding way is slidably connected to the outer surface of the fixing supporting column, an outer ring clamping ring is fixedly connected to the outer surface of the first sliding way, a protruding block is fixedly connected to one end of the outer surface of the outer ring clamping ring, and a mounting groove is formed in one end of the protruding block. Due to the arrangement of the roaster body, the fixed supporting column, the first sliding way and the outer ring clamping ring, when the roaster is used, the roaster body drives the fixed supporting column to operate, the fixed supporting column drives the first sliding way to rotate, and the first sliding way drives the outer ring clamping ring to operate, so that more uniform roasting can be realized by rotating the roaster body in the using process; and the baking efficiency is improved.

The invention belongs to the technical field of fuel oil, and particularly relates to hydrogen energy engine fuel oil taking coal-to-oil as a base material and a preparation method of the hydrogen energy engine fuel oil. Comprising the following components: 35-45 parts of coal-based Fischer-Tropsch synthesis crude liquid wax, 5-15 parts of white oil, 2-8 parts of heavy wax, 15-25 parts of hydrogenated anthracene oil, 2-8 parts of fatty acid methyl ester, 15-25 parts of hydrogenated coal diesel oil and 1-5 parts of an additive. The preparation method comprises the following steps: S1, weighing the raw materials according to the proportion of the fuel oil of the hydrogen energy engine; and S2, adding the raw materials into a stirring container, and uniformly stirring to obtain the hydrogen energy engine fuel oil. The fuel oil does not belong to dangerous chemicals, the ignition performance of the fuel oil is superior to that of current national 6 diesel oil, the terminal sale price of the fuel oil is lower than that of the diesel oil, and market requirements are met.

The utility model relates to a heat treatment combustible waste gas combustion purification device which comprises a combustion cylinder and is characterized in that one end of the combustion cylinder is communicated with a gas inlet pipe, and the other end of the combustion cylinder is communicated with an exhaust pipe; an ignition assembly used for igniting combustible waste gas is arranged in the combustion cylinder. A metal ring is arranged in the combustion cylinder and located above the ignition assembly. According to the combustion purification device, flames in the combustion cylinder can be combusted more uniformly, sufficient combustion of combustible waste gas is promoted, and therefore the combustion effect of the combustion purification device is enhanced; and meanwhile, the emission amount of the treated waste gas is effectively reduced, so that the pollution and danger of the waste gas to the environment are greatly reduced.

The utility model discloses a novel shock wave atomizing machine combustion chamber which comprises a combustion chamber shell, the right end of the combustion chamber shell is connected with an air inlet assembly, the left end of the combustion chamber shell is connected with a flame stabilizing assembly, and the interior of the combustion chamber shell is connected with an ignition assembly. According to the burner, air is spirally rolled upwards from the inclined holes, the wind power is stronger, flame combustion can be more sufficient, spiral rolling air openings are distributed at equal intervals, the wind power can be uniformly dispersed, the flame can be uniformly dispersed through the notches in the outer side of the fire distribution disc, and the flame can be uniformly combusted and sprayed out in cooperation with the uniformly dispersed spiral rolling wind power, so that the flame combustion efficiency is improved. The utility model discloses a shock wave atomizing machine combustion chamber, which is used for solving the problems that in a shock wave atomizing machine combustion chamber in the prior art, when fuel is combusted in a device, flames are difficult to uniformly combust and eject, so that the combustion in a shock wave atomizing machine is not uniform and sufficient enough, certain energy loss is caused, and the energy utilization rate is low.

The utility model discloses a hydrogen burner with a burning flow guide disc, which comprises a hydrogen burner main body, the bottom of the hydrogen burner main body is fixedly connected with a feeding channel used for feeding air into the hydrogen burner main body, and a flow guide disc body matched with the feeding channel is arranged in the feeding channel. According to the utility model, the flow guide disc body is arranged, so that hydrogen and combustion-supporting gas which are introduced from the hydrogen joint and the combustion-supporting gas joint can be mixed under the turbulent flow action of the flow guide teeth, and then are introduced into the hydrogen burner main body through the gas inlet cover for combustion, thereby ensuring that the hydrogen and the combustion-supporting gas are uniformly mixed; due to the fact that the flow guide disc body is provided with the fixing bolt and the threaded fixing base, too fast combustion caused by too high local hydrogen concentration can be effectively avoided, detonation generated during hydrogen combustion is avoided, meanwhile, the flow guide disc body can be conveniently disassembled and assembled through the fixing bolt and the threaded fixing base, the flow guide disc body can be conveniently maintained or replaced, and the practicability of the flow guide disc is improved.

The present invention discloses a circulating fluidized bed boiler furnace segmented combustion system, which is composed of a membrane water-cooled wall, a horizontal air distribution plate at the bottom, and an angled feeding and spreading area at the front wall of the water-cooled wall. Compared with a traditional circulating fluidized bed boiler, after the fuel enters the furnace, it first undergoes a preheating, evaporation, and spreading process, and then falls into the combustion space above the air distribution plate at the bottom of the furnace under the action of gravity for fluidized combustion. For circulating fluidized bed boilers that burn biomass fuels or garbage fuels with high moisture content, this system can fully dry, burn, and burn out fuels with high moisture content and difficult ignition, so that the agglomerated fuel can be fully spread in the furnace combustion space, improve combustion uniformity, and reduce air distribution plate temperature deviation, thereby effectively solving the problem of air distribution plate coking, improving boiler combustion efficiency, and improving economy. At the same time, the system can control the combustion situation in the furnace, control the flue gas temperature level and oxygen content by adjusting the air volume at various locations, thereby reducing nitrogen oxide emissions.

This invention belongs to the field of reconstituted tobacco technology, and provides a reconstituted tobacco based on a functional compound of Phyllanthus emblica and its preparation method. The reconstituted tobacco includes a porous composite substrate and a coating liquid. The Phyllanthus emblica functional compound includes Phyllanthus emblica pomace pulp and Phyllanthus emblica extract. The porous composite substrate is prepared by mixing and molding Phyllanthus emblica pomace pulp and tobacco pulp, wherein the Phyllanthus emblica pomace in the pulp has a porous and loose structure. The coating liquid is prepared by mixing Phyllanthus emblica extract and tobacco concentrate. The reconstituted tobacco prepared by the method of this invention can enhance the fruity sweetness and aroma of the reconstituted tobacco, improve its aroma quality, reduce its irritation, reduce its woody smell, and effectively improve the comfort of the reconstituted tobacco.

The invention relates to a method for judging combustion uniformity of each cylinder of an engine, which belongs to the technical field of engines and comprises the following steps of: acquiring near-field noise data of an air inlet side of a to-be-detected engine, acquiring 20cm near-field noise time domain data of an air inlet manifold side of an envelope surface of the engine, calculating frequency noise data of each cylinder at 100-8000Hz, and identifying and judging the uniformity of noise of each cylinder. According to the near-field noise online monitoring and recording method, engine near-field noise data under different calibration data are monitored at any time through near-field noise online monitoring and recording, an engine performance engineer is prompted to carry out calibration optimization in time, combustion of all cylinders of an engine is more uniform, and better engine sound quality is achieved.

The present invention discloses a method and system for optimizing the control of boiler air-coal ratio, and relates to the technical field of boiler combustion control. The method includes: interacting with target boilers, obtaining boiler operating parameters, calculating the actual air-coal ratio of each combustion zone, and obtaining the target air-coal ratio distribution according to boiler load and coal quality parameters; optimizing with the minimum deviation between the actual air-coal ratio distribution and the target air-coal ratio distribution as the optimization target, generating the optimal primary air parameters and the optimal secondary air parameters, and generating the air-coal ratio control strategy for each combustion zone, and sending the air-coal ratio control strategy to the distributed control unit for coordinated adjustment to achieve balanced combustion of the boiler. The present invention solves the technical problem that the air-coal ratio control effect of the boiler is poor in the prior art, which affects the combustion stability and thermal efficiency, and achieves the technical effect of significantly improving the air-coal ratio control effect, improving the combustion stability, and improving the overall thermal efficiency of the boiler.

An integrated moxibustion head comprises a shell (1), the shell (1) is formed by buckling an upper cover (2) and a bottom shell (3), a smoke outlet (4) is formed in the surface of the upper cover (2), and a first ventilation hole (5) is formed in the bottom of the bottom shell (3); an inner shell (6) is arranged in an inner cavity of the bottom shell (3), a buckle mechanism (7) is arranged on the inner wall of the upper cover (2), and the inner shell (6) is matched with the buckle mechanism (7). And a second ventilation hole (8) is formed in the bottom of the inner shell (6) and is matched with the first ventilation hole (5).

The utility model relates to the technical field of combustion equipment, in particular to a preheater adopting staged combustion. According to the technical scheme, the preheater adopting staged combustion comprises an air inlet pipe, a shell, an air return pipe and a guide plate, the guide plate is arranged in the shell, the air inlet pipe is arranged at one end of the shell, an air outlet pipe is arranged at the end, away from the air outlet pipe, of the shell, and a through hole is formed in the end, close to the air outlet pipe, of the shell in a penetrating mode; an annular gas distribution pipe is installed at the end, close to the gas inlet pipe, of the interior of the shell, a spray head is installed on the annular gas distribution pipe, the annular gas distribution pipe is communicated with the through hole through a gas return pipe, and an annular combustor and foamed ceramic are installed in the shell. According to the utility model, the utilization rate of heat in the tail gas after combustion can be increased, and the combustion of fuel can be more sufficient.

The grate incinerator comprises an incinerator body, a combustion chamber and a secondary smoke combustion chamber are arranged in the incinerator body, the combustion chamber is communicated with the secondary smoke combustion chamber through a high-temperature smoke exhaust port device, and the high-temperature smoke exhaust port device is arranged on an upper cover plate of the tail end wall of the combustion chamber or two side wall corners of the tail end upper cover plate of the combustion chamber. A high-temperature smoke exhaust port device is arranged in the combustion chamber, an air gate is arranged on the high-temperature smoke exhaust port device and can be closed and opened through rotating handles on the two sides, and when the air gate is opened, the combustion chamber is communicated with the secondary smoke combustion chamber through the high-temperature smoke exhaust port device. After the secondary flue gas combustion chamber is combined to thoroughly combust waste gas and waste liquid, and the desulfurization, denitrification and adsorption tower, the cyclone separation device and the cloth bag dust removal equipment are comprehensively innovated, the flue gas emission is superior to the national standard.

The invention provides a coal-fired boiler ammonia-doped combustion compatible matching system based on radiation characteristic compensation, which relates to the technical field of boiler combustion and comprises an ammonia-doped combustion operation characteristic database construction module, a real-time operation optimization module and a performance evaluation and self-optimization module. According to the method, the ammonia-doped combustion operation characteristic database is constructed, then whether the boiler performance parameters are recorded or not is judged based on the key boiler parameters, and ammonia-doped strategy dynamic adjustment and wall temperature safety regulation and control are carried out based on the ammonia-doped combustion operation characteristic database and the boiler performance parameters. Finally, when the fuel enters the coal-fired boiler, the mixing condition of ammonia and coal is evaluated, whether the fuel mixing strategy is optimized or not is judged, meanwhile, the oxygen content condition of the coal-fired boiler is monitored and adjusted, the position of high-temperature flames in the boiler is adjusted and controlled through flexible grading of the ammonia / coal fuel, matching of heat transfer distribution in the boiler and the coal-fired working condition is achieved, and the coal-fired boiler is obtained. The ammonia-doped combustion compatibility matching effectiveness of the coal-fired boiler is improved, and the problem that the ammonia-doped combustion compatibility matching effectiveness of the coal-fired boiler is low is solved.

The present invention discloses a lighting head of a carbon light therapy machine, which includes an external shell and a movement device arranged inside the shell; the movement device includes a reflector, an insulating plate, a transmission system, and two sets of carbon rod feeding mechanisms; the reflector is located in the left section of the shell, the insulating plate is located on the right side of the reflector, and the transmission system and the two sets of carbon rod feeding mechanisms are connected to the right end of the insulating plate; the transmission gear of a set of carbon rod feeding mechanisms located directly above the transmission system is meshed with the output gear, and is also meshed with the transmission gear of another set of carbon rod feeding mechanisms. The carbon rods in the lighting head of the present invention can be advanced in a spiral manner, ensuring that all parts on the outer circle of the carbon rods can be fully and evenly burned, while improving the combustion efficiency, ensuring the illumination intensity and stability, and improving the treatment effect. The present invention also discloses a tilting device and a carbon light therapy machine provided for the carbon light therapy machine.

The invention belongs to oil product monitoring, and particularly relates to a continuous monitoring method and system for total sulfur of an oil product, and the continuous monitoring method comprises a sample introduction stage and a detection stage; the sample injection stage is as follows: the first liquid pump gradually feeds the extracted oil product into the detection device, meanwhile, the second liquid pump extracts the oil product, and the detection device outputs a measurement signal St of the total sulfur content in the oil product; switching a flow path, pumping the oil product by using the first liquid pump, gradually feeding the pumped oil product into the detection device by using the second liquid pump, and outputting a measurement signal Sc of the total sulfur content in the oil product during switching by using the detection device; the switching time is adjusted using the measurement signals St, Sc. The invention has the advantages of stable constant current and the like.

The utility model discloses a fire distributor, a burner and a gas stove. The fire distributor comprises a fire distributor body, a fire distribution groove structure and an injection structure, the fire distribution groove structure comprises an inner ring fire distribution groove, a middle ring fire distribution groove and an outer ring fire distribution groove, the middle ring fire distribution groove is annularly formed in the outer side of the inner ring fire distribution groove, the outer ring fire distribution groove is annularly formed in the outer side of the middle ring fire distribution groove, and the injection structure comprises an inner ring injection pipe, a middle ring injection pipe and an outer ring injection pipe. The outer ring injection pipe is communicated with the outer ring fire distribution groove, the middle ring injection pipe is communicated with the middle ring fire distribution groove, the inner ring injection pipe is communicated with the inner ring fire distribution groove, and a first protrusion protruding outwards is arranged on the outer side wall of the middle ring fire distribution groove, so that a first injection cavity communicated with the middle ring injection pipe is formed in the inner side of the first protrusion; and / or a second protrusion part protruding outwards is arranged on the outer side wall of the inner ring fire distribution groove, so that a second injection cavity communicating with the inner ring injection pipe is formed in the inner side of the second protrusion part.

The application relates to the field of heating equipment, in particular to a combustion machine which comprises a machine body, an igniter, a detection assembly and a fuel supply device, a combustion cavity is formed on the surface of the machine body, a plurality of combustion-supporting holes are formed on the inner wall of the combustion cavity at intervals, an air inlet hole for mounting an external pipeline is formed on the surface of the machine body, the fuel supply device is connected to the inner wall of the machine body, a plurality of combustion holes are formed on the inner wall of the combustion cavity towards the air outlet end of the fuel supply device, the igniter is connected to the inner wall of the combustion cavity, the igniter can ignite natural gas in the combustion cavity, the detection assembly is connected to the inner wall of the combustion cavity, the detection assembly can detect the temperature in the combustion cavity and control the on-off of the fuel supply device. In the application, the detection assembly is arranged, the fuel supply device is controlled to be closed, the discharge of natural gas is stopped, the combustion condition of natural gas in the combustion cavity is detected by the staff in time, the situation that the igniter fails to ignite and natural gas continuously discharges is avoided, the leakage of natural gas is avoided, and therefore the danger in the use of the combustion machine is reduced.

The invention provides a combustor and system, and relates to the technical field of combustors, the combustor comprises a heat preservation box body, supporting columns are arranged at the bottom of the heat preservation box body, a feeding hopper is arranged at the top of the heat preservation box body, a heat preservation cavity is formed in the heat preservation box body, a supporting plate is arranged in the heat preservation cavity, a feeding mechanism is arranged on the supporting plate, and a combustion mechanism is arranged at the bottom of the heat preservation cavity; the feeding hopper is communicated with the feeding mechanism, the feeding mechanism is communicated with the combustion mechanism through a feeding pipe, heat generated in the combustor is reserved in the heat preservation cavity through the heat preservation box body as much as possible, mechanisms in the heat preservation cavity are preheated, fuel is poured into the feeding mechanism from the feeding hopper, the feeding mechanism stirs the fuel, and the fuel is fed into the combustion mechanism. And the fuel is uniformly combusted and preheated, so that the fuel reaches a combustion point as soon as possible when combusted in the combustion mechanism, the combustion of the fuel is more sufficient, the temperature in the combustion process is uniform, the combustion efficiency is improved, the adaptability of the fuel is improved, and the generation of pollutants is reduced.

The invention relates to the technical field of turbojet engines, and discloses a combustion chamber structure and a turbojet engine. The flame tube is arranged in the casing, and an airflow channel is formed between the outer wall of the flame tube and the inner wall of the casing and used for cooling the outer surface of the flame tube and providing needed air for the combustion process. The hydrogen spraying pipe is composed of a built-in header pipe and a spraying pipe piece, and the built-in header pipe is located in the airflow channel and connected with an external hydrogen supply pipeline, so that efficient conveying of hydrogen is achieved. One end of the spray pipe is connected with the built-in header pipe, and the other end of the spray pipe penetrates through the side wall of the flame tube and extends into the flame tube, so that hydrogen can be accurately sprayed into a combustion area. According to the design, the combustion efficiency is greatly optimized, and meanwhile the combustion chamber structure is remarkably simplified.

The rotary furnace of the silicon mullite brick structure comprises a shell and an inner cylinder, the inner cylinder is fixedly arranged in the shell, a plurality of fixing rings are fixedly arranged in the inner cylinder at equal intervals, a rotating shaft is rotatably arranged in the inner cylinder, a plurality of rotating discs are fixedly arranged on the outer side of the rotating shaft at equal intervals, and the rotating discs are fixedly arranged on the outer side of the rotating shaft. A plurality of moving plates are slidably arranged at the upper ends of the multiple rotating discs at equal intervals, a plurality of first springs are fixedly arranged at the positions, away from the rotating shaft, of the sides in the multiple moving plates, linkage rods are fixedly arranged in the multiple first springs, and handles are fixedly arranged between the ends, away from the rotating shaft, of the multiple linkage rods; and wedge-shaped blocks are fixedly arranged at the ends, close to the rotating shaft, of the linkage rods. According to the device, the handle, the linkage rod, the movable plate, the wedge-shaped block, the first spring, the positioning rod, the second spring and the positioning groove are arranged, so that materials can be conveniently loaded and taken out of the device, and the convenience of placing and taking the materials can be improved.

The present invention discloses an oil supply atomization device, a combustion chamber device and a micro jet engine, comprising: an oil supply ring connected to an oil supply main pipe; an evaporator pipe, the evaporator pipe comprising a preheating part and an evaporator, one end of the preheating part is connected to the oil supply ring, the other end of the preheating part is connected to the evaporator, and the outer periphery of the preheating part is covered with a heat conductor. During operation, the oil supply main pipe supplies fuel to the oil supply ring, the fuel enters the evaporator pipe from the oil supply ring, the fuel first enters the preheating part, the heat conductor can quickly transfer the heat in the combustion chamber to the fuel entering the preheating part, so that the fuel enters the evaporator after rapid preheating, and is ejected after further heat transfer from the evaporator, which is conducive to sufficient preheating before the fuel enters the combustion chamber, so that the fuel is fully evaporated, and uniformly distributed atomized fuel hot steam is formed, the fuel has a high atomization degree, the combustion is more sufficient and stable, the combustion chamber is not prone to stall, and the micro jet engine is not prone to surge and air parking.

The invention relates to the technical field of gas turbines, and particularly discloses a gas turbine combustion chamber head structure which is characterized in that a circular boss with an annular groove and a cover plate on the outer edge extends inwards from a main gas impact area on the inner wall of a head end plate, and an annular gas inlet gap is reserved between the circular boss and the inner wall of a flow guide bushing; a plurality of air inlet holes extending into the annular groove are evenly distributed in the side face of the outer circumference of the boss, and a plurality of exhaust holes are inwards distributed in the inner side of the annular groove and penetrate through the interior of a gap area of the adjacent main combustion nozzles. According to the invention, the circular boss with the slotted cover plate is arranged in the main gas impact area in the head end plate, so that a heat insulation ring cavity is formed, main gas is guided to penetrate through the interior of a gap area between adjacent main combustion nozzles on the end plate and then is discharged, and the roots of the nozzles are inserted into a fuel pipe; the temperature gradient of the main gas impact area on the head end plate, the gap area between the adjacent main combustion nozzles and the connecting area of the head end plate and the fuel pipe can be reduced, the thermal stress and strain of the head structure are reduced, and the service life is prolonged.

The application is a kind of air supply structure of pellet stove, including combustion chamber and oil receiving tray, the peripheral wall of the air duct shell of the combustion chamber is spaced apart from the peripheral wall of the combustion cup, the top end of the air duct shell is provided with air duct cover, and the top end of the combustion cup is provided with combustion cover; the side wall of the combustion cup, the air duct cover and the combustion cover are all provided with air guide hole; the spiral airflow generated by the airflow sent into the air duct shell by the air supply fan and passing through the air guide hole evenly spreads the fire and heat wave in the combustion cup to the bottom of the oil receiving tray; the left and right ends of the bottom of the oil receiving tray are oppositely provided with fire outlet, the middle of the two fire outlets is provided with fire tray, the fire outlets at the left and right ends emit fire from the edge to the center of the oil receiving tray, and the fire tray emits fire from the lower end to the upper end of the oil receiving tray, which can better realize the uniform distribution of fire and heat wave to the surface of food, the structure of spiral airflow can spread the fire and heat wave, which can fully promote the full combustion of pellet fuel in the combustion chamber, better release heat, and reduce smoke.