49results about How to "Promote combustion" patented technology

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 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 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 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.

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 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.

This application discloses a zero-carbon emission cement production device and method based on hydrogen energy utilization. The production device includes: a hydrogen production system, a fuel cell system, a waste heat recovery system, a cement clinker calcination decomposition furnace system, a cement clinker calcination rotary kiln system, a grinding system, and a methanol synthesis system. This application uses hydrogen to partially replace the kiln fuel, which can achieve carbon emission reduction with minimal changes to the existing cement production line technology and at a relatively low modification cost. Addressing the high energy consumption and high carbon emissions in the cement industry, this application optimizes the material and energy flow throughout the entire cement production process, achieving the recycling of materials and the cascade utilization of energy, ensuring the low-carbon and environmentally friendly nature of the entire production method.

This utility model discloses a dual-source multi-combustion system, comprising: a boiler, wherein an exhaust gas burner, a pulverized coal silo burner, and at least two air-coal burners are provided; a plurality of main combustion coal mills are connected to one or more air-coal burners; a plurality of pulverized coal storage mills are connected to the remaining air-coal burners in the boiler; a gas drying system is connected to the main combustion coal mills and the pulverized coal storage mills respectively, for drying and conveying the coal ground in the main combustion coal mills and the pulverized coal storage mills to form primary air-coal mixture; a plurality of fine powder separators are used to separate the primary air-coal mixture to form pulverized coal and exhaust gas; a plurality of exhaust gas fans are used to collect exhaust gas, and the outlets of the exhaust gas fans are connected to the exhaust gas burner and the pulverized coal storage mill respectively; a plurality of pulverized coal silos are used to collect the pulverized coal generated in the fine powder separators; a hot medium conveying system is used to convey the pulverized coal in the pulverized coal silos to the pulverized coal silo burners, and the gas drying system is also connected to the hot medium conveying system to preheat the pulverized coal conveyed to the pulverized coal silo burners.

The present application belongs to the field of burners, and discloses a deflectable wall-type tangential circle boiler burner and a working method. The deflection assembly adopts a transmission mode of servo motors, screw rods and solid rods, which can realize accurate angle adjustment. This makes the burner nozzle able to adjust the direction in real time according to the needs, and optimizes the distribution of combustion gas flow in the furnace. Especially under the conditions of boiler load change or different fuels, this flexible adjustment capability helps to improve the combustion efficiency. By accurately adjusting the deflection angle of the nozzle, the present application can make the combustion gas flow evenly distributed in the furnace, reducing the phenomenon of incomplete combustion. The direction of the burner nozzle can be dynamically adjusted according to different working conditions, so as to better adapt to the needs of different loads and different fuels, and finally improve the overall combustion efficiency of the boiler. The adjustable deflection angle of the present application makes the burner nozzle able to adjust according to the distribution of the temperature in the furnace, effectively avoiding the areas with excessively high or low temperature.

This invention provides an internal combustion engine and vehicle, relating to the field of engine structure. A pre-combustion chamber is positioned at the top of the main combustion chamber, with its bottom end angled and inserted into the inner cavity of the main combustion chamber. Furthermore, a spark plug is positioned at the top of the pre-combustion chamber. This arrangement reduces the difficulty of ignition. Further, multiple injection holes in the pre-combustion chamber are located within the inner cavity of the main combustion chamber. In this invention, the diameter of the injection holes near the intake end of the main combustion chamber is larger than the diameter of the injection holes near the exhaust end, which is more conducive to the combustion of the air-fuel mixture. Even further, this invention sets the space at the intake end of the main combustion chamber to be larger than the space at the exhaust end, which facilitates the formation of turbulent air-fuel mixture, thereby accelerating combustion. Thus, the difficulty of ignition in an internal combustion engine is effectively reduced, and combustion efficiency is effectively improved.

The utility model discloses a kind of vegetable oil fuel range, including the range shell with upper end opening, the bottom of range shell inner wall is provided with oil box, the upper end of oil box outer wall is provided with fixed ring, the upper end of oil box outer wall is provided with oil pipe, multiple communication pipes are communicated in the edge of oil pipe, oil core is cooperatively arranged in each communication pipe, heat insulation assembly is cooperatively arranged in the upper side of oil box in range shell, the upper end of heat insulation assembly outer wall is formed combustion chamber by being set down concave, space between heat insulation assembly and oil box forms a wind cooling layer, the upper end of heat insulation assembly is cooperatively arranged with the adjusting assembly for adjusting its firepower size.The utility model can make it normal use without through oil pump to transport fuel, and the size of firepower can also be adjusted when using, and the situation that fuel splashes due to pressure change also does not appear in use process, suitable for food and beverage place use.

This invention discloses a rapid deep peak-shaving system and method for co-firing biomass in a coal-fired circulating fluidized bed, belonging to the field of fuel combustion technology. This invention controls in-furnace combustion by adjusting the biomass co-firing ratio and feeding position, thereby improving the response rate under varying loads. It utilizes a bed material storage and conveying system to recycle the bed material in the furnace, recover the sensible heat of high-temperature ash slag, and control the material concentration and circulation loop stability during load changes. Furthermore, this invention introduces heated, clean, low-oxygen flue gas into the furnace, suppressing the formation of excessive nitrogen oxides and facilitating bed temperature stability during rapid load changes.

The invention provides a method, device and equipment for controlling oil injection and a computer readable storage medium. The method comprises the steps that operation parameters of a vehicle are obtained; the Miller degree in a target air cylinder of the Miller cycle engine at the current moment is determined; the Miller degree is used for representing the intensity of the Miller cycle in the target air cylinder; based on the Miller degree and the operation parameters of the vehicle, oil injection parameters of the target air cylinder are determined through a preset oil injection control model; the oil injection parameters are used for compensating the change of the thermodynamic state in the target air cylinder caused by the Miller cycle; and a target fuel injector corresponding to the target air cylinder is controlled to execute fuel injection according to the fuel injection parameters.

The present application relates to a kind of sintering method for reducing the CO content of sintering flue gas, by the reasonable cooperation of measures such as layer thickness, material distribution mode, flue gas reuse composite oxygen-enriched sintering and flue gas carbon monoxide catalytic oxidation in each step, the content of carbon monoxide in the emission flue gas is greatly reduced, so that the environmental friendliness of flue gas emission is greatly improved.

The utility model discloses sample combustion test equipment, which comprises a combustion chamber, the combustion chamber comprises a furnace body and a furnace cover, an accommodating cavity is formed between the furnace body and the furnace cover, a positioning point is arranged in the accommodating cavity, the positioning point is used for placing a crucible and a to-be-tested sample, and an igniter is arranged on the combustion chamber. The igniter is used for heating and igniting the to-be-tested sample at the positioning point; the gas supply mechanism is communicated with the accommodating cavity and is used for inputting oxygen into the accommodating cavity; the combustion detection device is used for detecting the combustion characteristics of the sample to be tested; the opening and closing mechanism is used for opening and closing the furnace cover, so that the combustion chamber has an opening state and a sealing state; and the sample transfer mechanism is used for transferring the sample to be tested when the combustion chamber is in the open state. Compared with the prior art, the sample combustion test equipment provided by the utility model has the advantages that the manual operation intensity can be reduced, and the influence of a high-temperature and high-pressure environment in the combustion furnace on the manual safety is avoided.

The application provides a catalyst, a preparation method and use thereof, and the catalyst comprises a carrier, a first support and a second support; the first support comprises a first oxygen storage material, a titanium-aluminum composite oxide and a first active alumina, and a first active component is loaded on the first support; the second support comprises a second oxygen storage material and a second active alumina, and a second active component is loaded on the second support; the first active component is platinum and / or palladium; and the second active component comprises rhodium. The catalyst of the application has high conversion rate, can effectively purify harmful substances such as low-carbon alcohols, low-carbon aldehydes and low-carbon acids in automobile exhaust, and thus realizes low-pollutant emission and clean combustion.

The utility model relates to gas -cooker accessory technical field discloses a hydrogen gas -cooker's fire divider of upper air inlet, including fire divider, with hexagonal hollow tube, with hexagonal nozzle, its characterized in that, the fire divider is screwed on the outer surface of with hexagonal hollow tube, and with hexagonal hollow tube is screwed on the outer surface of with hexagonal nozzle, the inner wall in the fire divider inside is provided with a plurality of fire holes, and the diameter of a plurality of fire holes is 1.2mm 1.8mm, the six prism cavities of with hexagonal hollow tube are provided with a plurality of air inlet holes, and the diameter of a plurality of air inlet holes is all less than 1.0mm, the top of with hexagonal nozzle is conical, and the hexagonal nozzle conical tip is inserted into the inside of hexagonal hollow tube, the hexagonal nozzle conical tip is equipped with air inlet hole along the centre line, and air inlet hole diameter and hydrogen gas stove power are positively correlated, the six prism cavities side wall of with hexagonal nozzle is not equipped with air inlet hole, solved the problem that hydrogen combustion is not sufficient in the use process, and hydrogen escapes from the hole and produces explosion.

The present application relates to the technical field of engine, and provides a centrifugal atomizing nozzle with preposed vortex, which comprises a heat shield, a nozzle body and a vortex assembly. The heat shield is internally provided with a cavity, and the side wall of the heat shield is provided with a first through hole and a second through hole, which are communicated with the cavity to form a channel; the nozzle body is partially arranged in the cavity, and the outlet end of the nozzle body is communicated with the outside through the second through hole; the vortex assembly is arranged in the channel and located between the first through hole and the second through hole, and is used for forming gas turbulence and gas vortex. The present application solves the defect that the atomizing effect of the existing atomizing nozzle on fuel is limited, and realizes a centrifugal atomizing nozzle with preposed vortex assembly. After the airflow passes through the vortex assembly, the airflow is rotated, the fuel is atomized, and the atomizing performance, ignition performance and flame stability of the combustion chamber of the aero-engine are improved.

The invention discloses a method and a system for controlling dynamic combustion of fire coal. The method comprises the following steps: acquiring an input mass rate of pulverized coal; the input air volume of primary air and the input air volume of secondary air are obtained; the secondary air comprises secondary secondary air and main secondary air, and the secondary secondary air is input close to the input position of the primary air; when the input mass rate of pulverized coal changes, the input air volume of primary air and the input air volume of secondary air are reduced according to the change proportion, and the change proportion of the secondary air and the secondary air in the process is lower than the overall change proportion of the secondary air. The secondary air is divided into the secondary air and the main secondary air, the secondary air actually supplements part of the primary air, in the adjusting process, the secondary air is lagged and adjusted, combustion can be better promoted, the overall combustion efficiency of the boiler is improved, and then the capacity of converting chemical energy into heat energy in the coal combustion process is improved to a certain extent.

The invention discloses an intelligent regulation and control system for fuel injection of a fuel engine, and relates to the technical field of electrical control of fuel injection of fuel engines. Comprising an engine operation parameter acquisition module, a real-time working condition intelligent identification module, an oil injection target parameter intelligent resolving module, a working condition self-adaption self-learning module, a fault diagnosis and safety protection module and a full-working-condition data storage module, the other modules are used for sequentially completing working condition recognition, oil injection parameter calculation, electric driving control, in-cylinder combustion monitoring, oil injection parameter closed-loop correction, working condition self-adaptive learning, fault safety protection and full-period data storage, oil injection process regulation and control are achieved through high-precision electric control, and all-working-condition oil saving and consumption reduction are achieved; the device can adapt to full-life-cycle performance change of the engine, guarantees operation safety and emission compliance, and reduces the operation and maintenance cost of equipment.