91results about How to "Promote combustion" patented technology

The invention discloses an ablation-resistant long-fiber reinforced nylon material for a battery pack, and relates to the technical field of nylon materials, the ablation-resistant long-fiber reinforced nylon material comprises the following raw material components by weight: 60-80 parts of nylon resin powder, 30-50 parts of a long-fiber reinforced material, 10-18 parts of aluminum diethylhypophosphite master batch, 8-15 parts of bromine-antimony composite master batch, 3-7 parts of montmorillonite, 12-20 parts of aluminum hydroxide, and 2-6 parts of nano-silica. The composite material is prepared from the following components in parts by weight: 1-4 parts of carbon nanotubes, 0.5-1.2 parts of an antioxidant I, 0.3-0.8 part of a lubricant I, 2-5 parts of a compatilizer, 0.1-0.4 part of a nucleating agent and 0.2-0.6 part of an anti-ultraviolet agent. By adding the diethyl aluminum hypophosphite master batch, the flame retardant property of the nylon material is improved, the processability of the nylon material is improved, the ablation resistance of the nylon material is improved, and the problems of insufficient flame retardant property, poor processability and poor ablation resistance of the nylon material can be solved.

The invention discloses a turbulent burner for mixed combustion of ammonia and coal. The turbulent burner comprises a first cylinder, a second cylinder and a third cylinder, a pulverized coal airflow channel is formed in an inner cavity of the first cylinder; an ammonia gas channel is formed between the first cylinder and the second cylinder; a secondary air channel is formed between the second cylinder and the third cylinder; an inner cavity of the first cylinder is divided into four sections from front to back, namely a first steady flow section, a divergent section, a second steady flow section and a tapered section in sequence, the first steady flow section and the second steady flow section are cylindrical, the divergent section and the tapered section are circular truncated cone-shaped, and the diameter of the front end of the divergent section is large; the front end of the reducing section is small in diameter; a bluff body with a cylindrical front end and a circular truncated cone rear end is arranged in the first cylinder, one part of the bluff body rear end is located inside and outside the divergent section, and the other part is located in the first steady flow section; rotational flow blades are connected between the inner wall of the first cylinder and the outer wall of the blunt body; a plurality of guide plates are evenly distributed at the front end of the second cylinder in the circumferential direction. The method is suitable for the working condition with the small ammonia mixing proportion, and the transition effect of the coal-fired boiler from pure coal combustion to high-proportion ammonia-doped combustion is mainly achieved.

The invention provides a control device for an intercooling bypass and an EGR cooler bypass in an engine, and belongs to the technical field of engines, the control device comprises a multi-way butterfly valve provided with at least three airflow channels, and the input end of the multi-way butterfly valve is communicated with a supercharger; the EGR cooler is arranged on the EGR cooling branch, one end of the EGR cooling branch communicates with the EGR loop, and the other end of the EGR cooling branch communicates with the intake manifold; one end of the EGR bypass branch communicates with the EGR loop through a first airflow channel of the multi-way butterfly valve, and the other end of the EGR bypass branch communicates with the EGR cooling branch and is located between the EGR cooler and the intake manifold; one end of the inter-cooling bypass branch is communicated with the intake manifold, and the other end of the inter-cooling bypass branch is communicated with a second airflow channel of the multi-way butterfly valve; and one end of the intercooler communicates with the intake manifold, and the other end of the intercooler communicates with the third airflow channel of the multi-way butterfly valve. By additionally arranging the multi-way butterfly valve, the purpose of adjusting the cooling strategies of the EGR system and the intercooling system at the same time is achieved.

The invention provides a hydrogen-ammonia mixed low-nitrogen combustor, and belongs to the technical field of combustors. The technical problem of gas combustion with hydrogen and ammonia serving as fuel at present is solved, and the problems that due to the fact that the ammonia combustion reaction activity is poor, the hydrogen combustion speed is high, a nozzle is burnt by tempering, and the NOx emission concentration is high are solved. The device comprises a hydrogen introduction pipe, an ammonia gas introduction pipe, a fuel gas mixer, an annular header, ammonia gas branch pipes and ammonia gas nozzles. The hydrogen introducing pipe comprises a central hydrogen pipe and a combustion-supporting hydrogen pipe, the outlet end of the central hydrogen pipe is located in the annular collecting box, the input end of the combustion-supporting hydrogen pipe is connected with the central hydrogen pipe, the output end of the combustion-supporting hydrogen pipe is connected with the fuel gas mixer, and the output end of the ammonia introducing pipe is connected with the fuel gas mixer; the output end of the gas mixer is connected with an annular header, the annular header is connected with a plurality of ammonia branch pipes, the ammonia branch pipes are annularly arranged, and ammonia nozzles are arranged at the outlet ends of the ammonia branch pipes. The device is mainly used for hydrogen-ammonia mixed combustion.

The invention belongs to the field of automobile engine energy saving, and particularly relates to an engine energy saving device and method for producing hydrogen through ultrasonic water mist and mineral particles, the device comprises a special water storage tank, an ultrasonic water mist generator and micro hydrogen production mineral particles, and the special water storage tank is divided into an ultrasonic water mist generation chamber and a mineral particle hydrogen production chamber through a permeation partition plate; the ultrasonic water mist generator is placed at the position 3 mm-5 mm below the liquid level of the ultrasonic water mist generating chamber, and water is atomized through external power supply. Micro-hydrogen production mineral particles are placed at the bottom of the mineral particle hydrogen production chamber and react with water to generate hydrogen, part of hydrogen is dissolved in water, and part of hydrogen is stored in the gas storage chamber above the liquid level. An air outlet is formed in the top of the special water storage tank and connected with an engine air inlet pipe, water mist and hydrogen enter an air cylinder along with engine suction to participate in acting, and therefore the redundant fuel injection amount is eliminated, and heat transfer loss in the cylinder is reduced. The heat efficiency of the automobile engine is improved, knocking is restrained, the incomplete combustion phenomenon is reduced, and then fuel consumption and harmful gas emission are reduced.

The invention discloses an adjusting system for controlling the rotating speed of an automobile engine, and the system is characterized in that the system comprises a data collection module which collects the conventional operation parameters of the automobile engine in real time, the conventional operation parameters comprise the rotating speed, the torque, the air inflow, the oil temperature and the oil pressure, and also collects the acceleration, the gradient information, the external environment temperature and humidity of a vehicle and the driving behavior data of a driver; such as accelerator pedal depth change rate and brake frequency; the data analysis module is connected with the data acquisition module and is used for deeply mining a relationship and a potential rule in data by applying a long short-term memory (LSTM) network algorithm in deep learning and a fusion analysis method based on a physical model, identifying a real-time running state and a future change trend of the engine and intelligently diagnosing potential fault hidden dangers; the fuel injection amount and the ignition time can reach the optimal state through accurate rotation speed adjustment, fuel consumption is greatly reduced, fuel economy is improved, and expenditure is saved for users.

The invention relates to the technical field of combustion testing, in particular to a testing device for studying the combustion characteristic of nanofluid fuel. The device comprises an operation table, wherein a convenient combustion adjusting mechanism and a waste gas treatment assembly are mounted on the upper surface of the operation table; the convenient combustion adjusting mechanism comprises a storage tank and a combustion chamber, a pump body is arranged between the storage tank and the combustion chamber, a connecting pipeline is connected between the storage tank and the pump body, a pressure adjusting assembly is arranged between the pump body and the combustion chamber, and an outlet of the combustion chamber is connected with a waste gas treatment assembly; a combustion component and an igniter are arranged on the top of the inner side of the combustion chamber. According to the pressure adjusting assembly, fuel flowing and gas supply can be effectively controlled, the combustion process is stable, accurate test conditions are achieved, the reliability of test results is improved, and fuel performance can be deeply analyzed conveniently.

The invention belongs to the technical field of engines, and discloses a rotary detonation combustion chamber which comprises a combustion chamber body, the combustion chamber body comprises a combustion chamber shell composed of an inner sleeve structure and an outer sleeve structure, a fluid channel is formed in the combustion chamber shell, and the inlet end of the fluid channel is a combustion chamber air inlet; the fluid channel comprises a combustion chamber throat section, a first expansion section, a U-shaped groove section, a second expansion section and a combustion chamber downstream straight section which are sequentially arranged. One end of the combustion chamber throat section communicates with the combustion chamber air inlet. And the U-shaped groove section comprises a U-shaped groove fillet section and a U-shaped groove straightway section which are arranged in sequence. The whole U-shaped groove fillet section is of a topological fluid diode structure, and one end, close to the first expansion section, of the topological fluid diode structure is of an arc-shaped structure. The topological fluid diode structure provides a new view angle and a new solution for optimization of the combustion chamber, and design and development of the more efficient and more stable combustion chamber are promoted.

The invention provides a dual-fuel ring vortex combustor which comprises an annular structure formed by splicing a plurality of combustors, each combustor comprises a hydrogen pipeline, a gas collection tank and a U-shaped flame tube, at least one hydrogen hole, at least one kerosene nozzle and at least one air hole are formed in each U-shaped flame tube, the hydrogen holes are covered with the gas collection tanks, and the kerosene nozzles are arranged on the gas collection tanks. The hydrogen pipeline is communicated with the hydrogen hole through the gas collection tank. According to the dual-fuel ring vortex combustor, the ignition performance can be improved, combustion at the ignition nozzle can be enhanced, atomization of kerosene is further promoted, and the combustion efficiency and stable flame flowing can be improved; kerosene can be in full contact with hydrogen gas, so that more uniform mixing of double fuels is realized; and the guide plate is cooled, so that the ablation resistance of the high-temperature alloy of the guide plate is improved, and the service life of the high-temperature alloy of the guide plate is prolonged.

The utility model discloses a hazardous waste safety incineration device which comprises an incinerator and a conveying pipe obliquely fixed to the upper portion of one side of the incinerator, an inner cylinder is fixedly installed in the conveying pipe, filtering holes are formed in the surface of the inner cylinder, and a spiral conveying shaft is rotationally connected to the interior of the inner cylinder. A first motor is installed at the end, away from the incinerator, of the conveying pipe, the output end of the first motor is fixedly connected with one end of the spiral conveying shaft, an adding hopper is fixedly installed at the end, close to the first motor, of the surface of the conveying pipe, and the adding hopper communicates with the inner barrel; stirring rods are fixedly installed on the lower portion of the surface of the rotating rod at equal intervals, and a second motor connected with the top of the rotating rod is installed on the top of the incinerator. The incineration device has a water separation function and a dispersing and stirring function, can extrude the added hazardous wastes to realize water separation operation, and can scatter, combust and stir the extruded and compacted hazardous wastes, so that the combustion efficiency is ensured.

The utility model provides a production system of food-grade hydrochloric acid. The system comprises a vinyl chloride production device, a pressure swing adsorption device, an electrolysis device, a washing tower, a hydrogen buffer tank, a chlorine buffer tank, a liquid chlorine compression device, a hydrogen chloride synthesis furnace and a hydrogen chloride falling film absorber. An outlet of the vinyl chloride production device is connected with the pressure swing adsorption device, a hydrogen outlet of the pressure swing adsorption device is connected with the hydrogen buffer tank, a hydrogen outlet of the electrolysis device is connected with a gas inlet of the washing tower, and an outlet of the washing tower is connected with the hydrogen buffer tank. A tail gas outlet of the liquid chlorine compression device is connected with the chlorine buffer tank, outlets of the hydrogen buffer tank and the chlorine buffer tank are connected with a gas inlet of the hydrogen chloride synthesis furnace, and a gas outlet of the hydrogen chloride synthesis furnace is connected with the hydrogen chloride falling film absorber. According to the invention, efficient production of food-grade hydrochloric acid is realized.

The invention discloses a diesel engine oxynitride emission peak value control method which comprises the following steps that dynamic parameters of an engine are obtained, and the dynamic parameters are loads or supercharging pressure; judging whether the dynamic parameter is greater than a corresponding preset threshold value or not; in response to the condition that at least one dynamic parameter is greater than a corresponding preset threshold value, determining a dynamic correction coefficient of the dynamic parameter based on dynamic detection of the corresponding dynamic parameter; the maximum oxygen concentration measured by the rack is obtained, and the instantaneous required air inflow of the corresponding working condition is calculated; according to the instantaneous required air inflow and the dynamic correction coefficient, the actual required air inflow is obtained through calculation; and controlling the air inflow of the engine according to the actual required air flow. The nitrogen and oxygen emission of the engine under the violent variable working condition can be reduced, and the stability of the nitrogen and oxygen value is improved.

The utility model relates to the technical field of combustion equipment, and provides a low-nitrogen combustion device for flue gas recirculation, which comprises a circulation frame, a gas delivery pump and a secondary gas mixing mechanism, the circulation frame is provided with a venturi mixing tube group, the venturi mixing tube group is communicated with a uniform gas delivery mechanism for flue gas delivery, the gas delivery pump is mounted on the circulation frame, and the secondary gas mixing mechanism is mounted on the circulation frame. The gas outlet end of the gas conveying pump is communicated with one end of the Venturi mixing tube set through a gas conveying bent tube, and the secondary gas mixing mechanism is installed on the circulation frame, arranged in the Venturi mixing tube set in a penetrating mode and used for conducting secondary acceleration and mixing on gas in the Venturi mixing tube set. The low-nitrogen combustion device for flue gas recirculation solves the problem that in the prior art, when a low-nitrogen combustion device for flue gas recirculation circulates flue gas, the mixing efficiency of the flue gas and air is poor.

The utility model relates to the technical field of agriculture, and discloses a biomass hot-blast stove for drying rice, which comprises a hot-blast stove, the top of the hot-blast stove is fixedly connected with a smoke exhaust pipe, the inner wall of the smoke exhaust pipe is inserted with a filter screen, the left side and the right side of the filter screen are inserted with limiting insertion blocks, and the inner walls of the two limiting insertion blocks are connected through a fixing assembly. Four supporting rods are fixedly connected to the bottom of the hot blast stove, pulleys are rotationally connected to the inner walls of the supporting rods, and the front sides and the rear sides of the pulleys are connected through limiting assemblies so that the pulleys can be fixed. According to the utility model, smoke is filtered through the filter screen, the crank is rotated to enable the two limiting insertion blocks to slide to unfasten the fixation of the filter screen, and the filter screen is pulled out to be replaced and is cleaned and replaced; therefore, the replacement speed of the filter screen is increased, and the working efficiency is improved.

The invention discloses a fuel mixing and supplying mechanism of a dual-fuel engine, and relates to the field of fuel mixing, the fuel mixing and supplying mechanism comprises a cylinder bridge, a connecting rod, an air compression assembly and a cylinder assembly, the air compression assembly comprises an air compression outer barrel, an air compression inner barrel, an air compression piston and an air supply mechanism, and the cylinder assembly comprises a cylinder piston, an air cylinder sleeve and an oil pumping mechanism. When the air compression outer barrel moves along with the air cylinder bridge, the air supply mechanism sucks air and fuel gas in a self-suction mode through the pressure difference of a cavity in the air compression process, the air and the fuel gas are mixed in proportion, the mixed gas is conveyed into a combustion chamber of the air cylinder sleeve, and quantitative supply of the mixed gas can be achieved without additional supercharging equipment; fuel oil is pumped into the air cylinder sleeve through the oil pumping mechanism, the gas supply mechanism feeds mixed gas of fuel gas and air in a self-suction mode for layering or homogeneous mixing, the dual-fuel supply system can flexibly adjust the proportion of the fuel gas and the fuel oil according to the load working condition, the combustion process is optimized, and emission of harmful gas is reduced while power output is guaranteed.

The utility model provides an anaerobic fermentation gas collection and purification integrated device, including base, the right side fixed mounting of base top has small -size air compressor, the top of base and located small -size air compressor's left side is provided with purification mechanism, and the purification mechanism includes two jar bodies fixed installation in base top and the sealing cover screw connection in jar body top, the inboard of jar body of sealing cover bottom left side of base top and located is provided with first containing bucket. Through the setting of small -size air compressor is used for the gas after the purification of purification mechanism to compress collection, is convenient for subsequent centralized discharge to realize subsequent use, through the setting of purification mechanism is used for the methane and carbon dioxide of the inside generation of anaerobic fermentation equipment to collect, dries to it and eliminates the carbon dioxide containing in the inside simultaneously, eliminates the peculiar smell in the gas simultaneously, satisfies the use of subsequent time while increasing the methane purity and then increases the calorific value when subsequent combustion.

The invention discloses the technical field of gas turbines, particularly relates to a nozzle combustor applied to a combustion chamber of a gas turbine, and aims to solve the problems that in the prior art, the gas turbine is difficult to stably combust at low emission under high-temperature and wide-load working conditions, and meanwhile, the cooling efficiency of a nozzle is relatively low; the nozzle structurally comprises an on-duty stage nozzle, a main combustion stage nozzle, a fuel rectifying plate and a nozzle upper cover plate, wherein the main combustion stage nozzle is positioned on the outer side of the on-duty stage nozzle; a mixture sprayed by the main combustion stage nozzle directly penetrates through a combustion area of the nozzle combustor; the fuel rectifying plate and the nozzle upper cover plate are wrapped to form an upper fuel cavity, the on-duty stage nozzle and the main combustion stage nozzle are communicated with a combustion area of the nozzle combustor through the nozzle upper cover plate, and fuel in the upper fuel cavity is in direct contact with the nozzle upper cover plate for heat exchange.

The invention provides a coal mill powder accumulation fault identification method and device, electronic equipment and a system, and belongs to the technical field of coal pulverizing system fault diagnosis, and the method comprises the steps: obtaining a real-time operation image of a coal mill; the preprocessed operation image is input into a trained prediction model, a pulverized coal deposit fault prediction result is generated, the pulverized coal deposit fault prediction result is normal operation or a specific pulverized coal deposit fault type, the prediction model is used for extracting local features of the operation image, pulverized coal deposit fault classification is carried out according to the local features, and the pulverized coal deposit fault prediction result is obtained. And outputting a powder accumulation fault prediction result after classification, and representing a powder accumulation state by local features. Through the deep learning network model, the pulverized coal accumulation fault classification is directly carried out on the obtained coal mill operation image, manual design and feature extraction are not needed, the identification process is simplified, and rapid and automatic prediction of the pulverized coal accumulation fault is realized.

The application relates to the technical field of vehicle exhaust treatment, and provides an exhaust treatment system and a vehicle. The exhaust treatment system comprises a particle trap and a regeneration device, the regeneration device comprises an oil-gas mixing part, a gas path assembly and an oil path assembly, and a fluid driving part connected between the oil-gas mixing part and the particle trap, and the fluid driving part can drive an oil-gas mixture in the oil-gas mixing part to flow into the particle trap. The exhaust treatment system provided by the application sets one fluid driving part, which can facilitate the smooth flow of exhaust gas and fuel into the oil-gas mixing part, the exhaust treatment system has a simple structure, and the oil-gas mixture can smoothly flow to the downstream, which is helpful for the combustion regeneration of the particle trap, has a good exhaust treatment effect, and can reduce the emission of pollutants.

The invention discloses a thermal power plant boiler heat cycle machine based on seawater desalination, comprising a boiler body for burning coal powder, wherein the inner wall of the boiler body near the end is fixedly connected with a support rod, the support rod is penetrated and connected with a rotating shaft for fixed axis rotation, a sleeve block is fixedly connected to the outer contour of the end of the rotating shaft, a plurality of evenly placed fan blades are fixedly connected to the outer contour of the sleeve block, the support rod is provided with a discharge mechanism for driving the fan blades to rotate and guide the discharge of flue gas inside the boiler body, the discharge mechanism comprises a second gear which is penetrated and connected with a fixed axis rotation on one side of the support rod near the rotating shaft and is driven to rotate by a power mechanism, filter plates for filtering incompletely burned coal powder in the flue gas are fixedly connected at symmetrical positions on both sides of the support rod, and the application has the function of filtering incompletely burned coal powder in the flue gas, thereby improving the combustion efficiency and heat transfer efficiency of the coal powder.

The application provides a gas explosion device, a gas explosion system and an ignition method applied to a film and television fireworks special effect. The gas explosion device comprises: a combustible medium container for storing combustible medium; a driving assembly comprising a driving assembly body with a first cavity and a moving piece, the moving piece being located in the first cavity, the moving piece comprising a puncture part; a driving piece arranged in the first cavity and located on one side of the moving piece, used for generating driving kinetic energy to push the moving piece to move; and a first charge arranged in the puncture part of the moving piece, used for ignition after the puncture part pierces into the combustible medium container, so as to ignite the combustible medium in the combustible medium container. The gas explosion device, the gas explosion system and the ignition method are used to achieve the effect of instantaneous complete explosion under the condition of meeting safety.

This invention belongs to the field of engines, specifically relating to a fuel supply structure and a solid-liquid hybrid rocket engine, including an oxygen-enriched propellant supply mechanism and a gel fuel supply mechanism. The oxygen-enriched propellant supply mechanism includes a coating column, which includes a coating sleeve with an opening facing the combustion chamber, and the coating sleeve is used to hold the oxygen-enriched propellant. The gel fuel supply mechanism includes a gel fuel supply device, an annular channel, and an atomizer arranged sequentially. The annular channel is arranged around the outer edge of the coating sleeve, with its downstream end protruding downstream of the coating sleeve. The atomizer is located at the end of the annular channel protruding downstream of the coating sleeve, and the annular channel and the coating sleeve together seal the upstream end of the combustion chamber. This invention's engine adopts a novel combination of gel fuel and oxygen-enriched propellant, combining some of the advantages of both to achieve the effects of increased specific impulse, adjustable thrust, and multiple starts.

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 present invention relates to a premixing environmentally friendly burner, comprising a burner housing, a permanent lamp, a primary small load back-mixing premixing spray gun, a secondary main load back-mixing premixing spray gun and a burner brick, wherein the small back-mixing premixing nozzle and the permanent lamp are distributed in the burner brick, the head of the secondary main load back-mixing premixing spray gun is provided with a main back-mixing premixing nozzle, and the main back-mixing premixing nozzle is distributed outside the burner brick, and the bottoms of the small back-mixing premixing nozzle and the main back-mixing premixing nozzle are both provided with a negative pressure area, and part of the air is sucked in and pre-mixed with the fuel gas. The present invention uses a primary small load back-mixing premixing spray gun to spray at the end of the burner brick, burns the burner brick red, and a high temperature portion of the burner brick exceeds 800°C appears, thereby stabilizing the combustion flame of the secondary main load back-mixing premixing spray gun; by using a back-mixing premixing nozzle, the combustible gas preferentially combines with oxygen in the air to react and burn, which can greatly curb the generation of NOx and CO.

The invention discloses an environment-friendly and energy-saving power plant combustor and a purifying and energy-saving system thereof. A combustion bin of the combustor is used for fuel combustion, a sealing cover ensures that a flue gas channel is sealed, two feeding assemblies achieve accurate mixing and conveying of fuel and air, a dust collecting box collects dust, a dust filter plate preliminarily filters flue gas, an igniter ignites the fuel, and an auxiliary gas conveying pipe optimizes combustion. According to the purification energy-saving system, on the basis of a combustor, a subsequent purification treatment device adopts technologies such as wet desulphurization, denitration, bag dust removal and activated carbon adsorption to deeply purify flue gas.

The utility model relates to the technical field of thermal power plant boilers, in particular to a device capable of assisting boiler fuel combustion, which comprises a square tube, the left side of the square tube is communicated with a transverse tube, the left side of the transverse tube is sleeved with a sleeve, the left side of the sleeve is communicated with an air outlet cover, and the left side of the air outlet cover is communicated with an air outlet head. An activated carbon filter plate is installed in an inner cavity of the square pipe, an air supply mechanism is installed in the inner cavity of the square pipe, the air supply mechanism comprises a cross rod, the surface of the cross rod is sleeved with a sleeve plate, and the top and the bottom of the sleeve plate are both fixedly connected with the inner wall of the square pipe. The activated carbon filter plate is used for filtering and purifying gas entering the inner cavity of the square tube, moisture in the air can be absorbed through the mesh enclosure and the drying agent bag, dry and pure gas is provided for the boiler, combustion of dye in the inner cavity of the boiler is facilitated, external air is conveniently conveyed into the boiler through the air supply mechanism, and energy is saved. And combustion of the boiler is facilitated.

This utility model discloses a burner flame stabilizer disc, including a flame stabilizer disc and a flow guide. The flame stabilizer disc includes swirl vanes and a flame-damping section. The swirl vanes are evenly spaced and distributed circumferentially on the front side of the flame-damping section, and the flow guide is installed on the back side of the flame-damping section. This achieves a more uniform and efficient mixing of fuel and air, improves combustion efficiency, reduces energy waste, reduces emissions of harmful gases such as nitrogen oxides, and is more environmentally friendly. It also better adapts to the burner installation space, enhances overall stability and durability, and ensures stable operation over a long period of time.

The utility model relates to the technical field of pulverized coal combustion, and discloses a device for improving the combustion rate of pulverized coal in a kiln, which comprises a main body mechanism. By arranging the flange connector, the device can be connected with an external pulverized coal storage device through the flange connector, so that pulverized coal can flow into the preheating cylinder through the conveying cylinder by means of the flange connector, the heater is started to release heat, and the heat is transmitted out from the heating port and penetrates through the filter screen to fill the whole preheating cylinder; at the moment, a motor is started, a rotating shaft rotates through the motor, and a shaft rod and a spiral blade which are connected with the rotating shaft are driven to rotate through rotation of the rotating shaft, so that the pulverized coal in the preheating cylinder is stirred, and when the pulverized coal is stirred, heat transmitted from a heating port can uniformly act on the surface of the pulverized coal, so that the pulverized coal is uniformly heated; and after the pulverized coal is preheated, the threaded bolt below the preheating cylinder is screwed out, and the pulverized coal can naturally flow out of the discharge port due to the pointed cone shape of the preheating cylinder.

The invention discloses a system and method for blending combustion of multi-element clean fuel in a coal-fired circulating fluidized bed, and belongs to the technical field of fuel combustion. Biomass is fed into the hearth from the coal feeding opening and the secondary air opening, the combustion uniformity and the combustion efficiency are improved, and the range of a reduction area is enlarged. Two layers of hydrogen feeding ports are formed in the side wall of the hearth, so that the combustion stability and uniformity are enhanced; and a hydrogen feeding port is formed in the horizontal flue, so that the temperature of tail flue gas is increased, and low-temperature corrosion is avoided. The tail flue gas recirculation is utilized to avoid overtemperature coking in a dense-phase region, and the generation of nitrogen oxides at high temperature is inhibited. Moisture in tail smoke is recycled and sent to the washing device, the moisture content in the smoke is reduced, and the problems of ash deposition, slag bonding and corrosion are solved.

This utility model discloses a low-NOx energy-saving burner for reducing NOx emissions, comprising: a burner body, the burner body being fixedly connected to a combustion tube; further comprising: an adjustment mechanism for adjusting flow rate provided on the front side of the burner body, and an air inlet pipe provided on the front side of the burner body; a cleaning mechanism for removing ash provided inside the combustion tube, and the combustion tube being rotatably connected to a second threaded rod. Preferably, a baffle is provided on the front side of the air inlet pipe, and a filter screen is provided inside the baffle. In this low-NOx energy-saving burner for reducing NOx emissions, the arc-shaped groove is arc-shaped, and the rear side of the conical seat is also arc-shaped. By rotating the first threaded rod, the positional relationship between the conical seat and the arc-shaped groove is adjusted, thereby adjusting the air flow rate and reducing NOx emissions. The outer side of the cleaning plate is tightly fitted to the inner side of the combustion tube, so the rotating connecting shaft can remove ash from the inner wall of the combustion tube, facilitating combustion.