56 results about "Particle combustion" patented technology

The invention discloses a multi-channel gasification bio-particle combustion engine which comprises a particle combustion box, a feeding box connected with the particle combustion box and a base on the lower portion of the particle combustion box and the lower portion of the feeding box. The feeding box comprises a material storage hopper, a first motor protection shell in the material storage hopper, a first motor in the first motor protection shell, a first screw rod connected with the first motor, a first feeding pipe connected with the tail end of the material storage hopper, a second motor below the first feeding pipe, a second screw rod connected with the second motor and a second feeding pipe communicated with the first feeding pipe. The particle combustion box comprises a combustion box outer chamber, a combustion box inner chamber inside the combustion box outer chamber, a combustion box openable door and a fire ejection opening, wherein the combustion box openable door and the fire ejection opening are in the combustion box outer chamber. The combustion box inner chamber comprises a first gasification chamber, a second gasification chamber, a combustion box inner chamber openable door and a third gasification chamber. The multi-channel gasification bio-particle combustion engine has the advantages of being complete in combustion, convenient to clean and high in efficiency.

The invention discloses a plant straw particle combustion machine and relates to the technical field of combustion equipment. The technical problem that in the prior art, plant straw cannot be used asfuel is solved. The plant straw particle combustion machine comprises a combustion furnace body, a feeding device, a fire grate device and an ash discharging device. A hearth is formed in the combustion furnace body, and a flame spraying opening communicating with the hearth is formed in the side wall. The feeding device is installed at the outer portion of the combustion furnace body, and one end of the feeding device communicates with the hearth. The fire grate device is installed in the hearth and located below the outlet end of the feeding device and can bear plant straw particles to movein the direction away from the outlet end of the feeding device. The ash discharging device is installed below the combustion furnace body, communicates with the hearth and is used for discharging carbon ash in the hearth. The ash discharging device below the furnace body of the plant straw particle combustion machine can be used for discharging the carbon ash in the hearth in time, the phenomenon that the hearth is blocked by the carbon ash is avoided, and plant straw with much carbon ash can be used as fuel through the plant straw particle combustion machine.

The invention discloses an ignition device for discrete particles of flowing metal fuel, which comprises a jet burner module, a xenon lamp ignition module, a combustion diagnosis module and a controlmodule. According to the invention, a pressure burner is adopted as a metal fuel particle combustion environment, ignition of metal fuel particles within a pressure range of 0-5 Mpa can be realized, interference on combustion flame of the metal fuel particles is avoided, and flame overlapping is avoided.

A straw particle combustion furnace is characterized in that a hearth is reserved in the front portion in a vertical-cabinet-shaped furnace body, a combustion hopper is arranged at the lower portion of the hearth, a hot air port is formed in the front face of the part, on the upper side of the hearth, of the furnace body, and a vertical flue is reserved on the rear side of the hearth; the upper end of the flue is communicated with the upper end of the hearth, and a suction and discharge ventilator is arranged at the lower end of the flue; a blowing pipe is arranged on the rear side of the flue, the upper end of the blowing pipe is communicated with the hot air port, and a blower is assembled at the lower end of the blowing pipe; a storage chamber is reserved on the rear side of the blowing pipe, a feeding pipe is arranged between the lower portion of the storage chamber and the hearth, and a front end opening of the feeding pipe is located on the upper side of the combustion hopper; and a downwards-arranged screw rod is arranged at a rear end opening of the feeding pipe, and a feeding motor is arranged at the lower end of the screw rod. The straw particle combustion furnace solves the problems that according to a straw heating stove, fuel is constantly added in a hearth manually, operation is complex, and the indoor air is polluted, and is an ideal stove for combustion of straw particles.

The invention discloses an efficient biofuel casting furnace and a method of improving thermal efficiency, relates to an industrial casting furnace, and particularly relates to an aluminium product casting furnace using a novel fuel. The casting furnace is characterized in that the method of improving the thermal efficiency adopts a flowing air layer for surrounding a combustion furnace, the dissipated hot air is recycled to reduce heat loss and the water temperature is improved by the waste heat of burned stove ash; meanwhile, the air flow on a water surface is accelerated, the water vaporization is quickened, and the vaporized water is mixed with air in a combustion flame; liquid water can absorb a lot of heat during the vaporization, the heat loss is reduced, and the density and the specific heat capacity of the air in the combustion flame are increased, finally the combustion flame and the air in the combustion flame, the flowing air surrounding the combustion furnace and the recycled dissipated hot air are collected together, and the combustion temperature and the combustion thermal efficiency are improved. According to the invention, a bio-particle combustion material is adopted, so that the emission of sulfur dioxide, nitrogen dioxide, PM2.5, black smoke and the like is greatly reduced; the sustainability of energy sources is realized; the fuel temperature and the production efficiency are increased; and the energy consumption and the production cost are reduced.

The invention belongs to the field of optical imaging and particularly relates to a combustion particle image acquisition device and method, aiming at mainly solving the problem that a particle shape and a flame frontal surface cannot be distinguished in a combustion particle imaging process, and obtaining high-quality combustion particle and flame images. The device comprises a laser active light source, an expanded beam lens, a collimation lens, an attenuation sheet, a combustion particle placement platform, an optical filter and a camera. The laser active light source provided by the invention is used for illuminating, and the optical filter guarantees the passing of reflecting light of a wave band of the laser active light source and is used for an acquisition method of images photographed by the camera matched with the wave band of the laser active light source, so that a clear particle combustion image is obtained; the method is simple and easy to operate; the acquired image has high quality and less background noises; the difficulty that particles and flame form bright spots in a passive detection process is overcome; and in the obtained image, the particle shape and the flame frontal surface in the obtained image are clear and have a good distinction degree, and the success rate and accuracy of dividing the particles and flame can be improved.

The invention provides a biomass fuel combustion device. The biomass fuel combustion device comprises a combustion chamber, a blower device and a feeding device. The feeding device comprises a feeding pipe. The combustion chamber comprises a shell, a hearth, a grate, an ash box and a flame outlet pipe. An air cooling interlayer is arranged between the shell and the hearth. The grate and the ash box are arranged under the hearth. The flame outlet pipe is arranged at one side of the combustion chamber and communicated with the hearth and stretches out after penetrating through the air cooling interlayer and the shell. The blower device comprises a draught fan, an air pipe I, an air pipe II and an air pipe III. The draught fan is communicated with the air pipe I, the air pipe II and the air pipe III. The air pipe I is communicated with the feeding pipe. The air pipe II is communicated with the ash box. The air pipe III is communicated with the air cooling interlayer. According to the biomass fuel combustion device, the defects that in the prior art, a combustion device is low in combustion efficiency, complicated in structure and large in heat loss are overcome; the biomass fuel combustion device has the characteristics that the structure is compact and simple, oxygen supply is sufficient, the particle combustion efficiency is high, and the heat transferring effect is good.

The invention relates to the technical field of industrial flue gas emission, in particular to an environment-friendly industrial flue gas pipeline. The invention aims to solve the technical problems that the utilization rate of coke particle combustion heat and the utilization rate of flue gas waste heat are low, a large amount of heat is wasted, and an impurity accumulation layer on the inner wall is difficult to clean. In order to solve the technical problems, the environment-friendly industrial flue gas pipeline provided by the invention is composed of a boiler, a water tank, a support mechanism, an ash scraping mechanism and a worm gear mechanism. Coke particles are filtered out in the boiler and are fully combusted in a filter plate, and heat in the boiler is increased, so that the heat can be more fully utilized, energy waste is reduced, and the cost is reduced; through a metal exhaust pipe and a surrounding metal water pipe, water in a water inlet pipe can be preliminarily heated through preheating of a flue gas in the exhaust pipe, so that the energy utilization rate is increased; and the flue gas is cooled, and the heat emitted to the environment is reduced, so that the environment is protected.

The invention discloses a large-particle coke combustion characteristic testing system, and belongs to the technical field of experimental equipment. The testing system comprises a furnace body and abracket for supporting the furnace body, the testing system further comprises a workbench, a lifting device, a water cooling device and an air inlet and equalizing device. The boiler body is divided into the three sections of heating areas, the highest heating temperature of the upper section of heating area and the lower section of heating area is 1350 DEG C, the highest heating temperature of the middle section of heating area is 1600 DEG C, and the large-particle combustion high-temperature requirement of the grate-fired boiler can be actually simulated. The lifting speed and the lifting height of the fuel are controlled by adopting a double-guide-rail lifting platform so as to simulate the processes of heating, burning and burnout of the fuel of the grate-fired boiler after the fuel enters the boiler. The testing system disclosed by the invention can effectively solve the technical problems existing in researching the reaction characteristics of coal coke by adopting a thermogravimetric analyzer at present, provides theoretical support for optimizing the combustion of the grate-fired boiler, and is suitable for popularization and application.

The invention discloses a granular fuel warmer. The granular fuel warmer comprises a tower-shaped warming housing and a particle combustion device arranged inside the tower-shaped warming housing, wherein the particle combustion device comprises a feeding mechanism, a heating mechanism and a combustion chamber; the feeding mechanism and the combustion chamber are sequentially arranged from bottomto top along the axis of the tower-shaped warming housing; the feeding mechanism is used for conveying granular fuels into the combustion chamber; and the heating mechanism is arranged at the combustion chamber for combusting granular fuels in the combustion chamber. The granular fuel warmer provided by the invention is various in combustion fuels, and is low in warming cost.

The invention provides a smokeless particle combustion machine which comprises a feeding device, a combustion machine, a heat energy utilizing system and a waste heat recycling system. A circulating fan is connected with a heat channel formed between an inner container and an inspection door of the heat energy utilizing system and is connected to a drying oven; an exhaust fan of the waste heat recycling system is connected to an excess heat recycling pipeline, and the tail end of the excess heat recycling pipeline is connected to an induced draft fan by a cyclone separator. The smokeless particle combustion machine has the advantages of simple structure, sufficient combustion, high heat utilization efficiency and smokeless emission.

The invention discloses motor dip coating VOCs treatment-catalytic combustion equipment. The motor dip coating VOCs treatment-catalytic combustion equipment comprises an exhaust gas sucking mechanism,a natural air supplementing mechanism, a buffering mixing box, a primary catalytic combustion device, a secondary catalytic combustion device and a chimney; the natural air supplementing mechanism and the VOCs sucking mechanism are both connected with an inlet of the buffering mixing box; the primary catalytic combustion device comprises a first catalytic combustion box, a first preheating module, a first catalytic combustion module and a second catalytic combustion module, and the first catalytic combustion box is connected with a first fire barrier and then connected with the buffering mixing box; the secondary catalytic combustion device comprises at least two first catalytic combustion mechanisms and second catalytic combustion mechanisms which are installed in parallel and have the same structure, the first catalytic combustion mechanisms and the second catalytic combustion mechanisms are both connected with the first catalytic combustion box, each second catalytic combustion mechanism comprises a second catalytic combustion box, a second preheating module, a particle combustion bed and a third catalytic combustion module, and the second catalytic combustion boxes are connected with the first catalytic combustion box; and second outlets formed in the upper ends of the first catalytic combustion mechanisms and the second catalytic combustion mechanisms are both connected with the chimney.

The invention discloses a hollow fiber net-shaped perovskite catalyst, and a preparation method and applications thereof. The chemical general formula of the catalyst is La<1-x>Sr<x>MnO3, 0<=x<=0.4; the catalyst is designed to shape like a net, and is provided with hollow tubular channels, the pore diameter is controlled to be 200 to 300nm. According to the preparation method, water-ethanol is taken as a solvent system for static spinning, so that introduction of organic solvents harmful for human body is avoided, and the system is safe, and is friendly to the environment. The hollow fiber net-shaped perovskite catalyst is capable of capturing carbon smoke particles in diesel car tail gas, increasing contact opportunity of catalyst active sites with carbon smoke and nitrogen oxides, realizing cooperative removing of carbon smoke and nitrogen oxides, and reducing pollutant discharge amount of tail gas. In a simulation test of eliminating of carbon smoke and nitrogen oxides in diesel cartail gas, high activity is achieved, carbon smoke particle combustion peak temperature is 360 DEG C, NO largest conversion rate is 40%, and the peak temperature is 380 DEG C.

A petroleum coke particle combustion device mainly comprises an upright cylindric furnace shell, a cylindric furnace inner container, a furnace grate and an air inlet pipe, wherein the central axis of the upright cylindric furnace shell, the central axis of the cylindric furnace inner container, the central axis of the furnace grate and the central axis of the air inlet pipe are collinear. The bottom edge of the furnace inner container is connected with a bottom plate of the furnace shell in a welded manner. The width of a ring cylinder area between the furnace inner container and the furnace shell is 0.41-0.43 time the radius of the furnace inner container. The side wall of the furnace grate is attached to the furnace inner container to vertically move in a seamless manner. Coke particles are stacked above the furnace grate. A combustion chamber is arranged above the coke particle layer. The ring cylinder area between the furnace inner container and the furnace shell and a cylinder area of the furnace inner container are communicated through a plurality of communicating openings in the bottom of the furnace inner container. After the communicating area is filled with pure water, an outer ring cylinder area-inner cylinder area type communicating device is formed, and the height of an outer ring cylinder water column higher than the top face of the coke particle layer is equal to the thickness of the inner cylinder coke particle layer. The petroleum coke particle combustion device can be used for a low-sulfur petroleum coke particle furnace kiln for combustion. According to the petroleum coke particle combustion device, the energy saving rate is larger than 5%-15%, and smoke pollutant discharge meets the requirement of the Integrated Emission Standard of Air Pollutants (GB16297-1996).

The invention discloses biomass fuel particle combustion equipment. The biomass fuel particle combustion equipment structurally comprises a furnace barrel; a filler furnace is fixedly arranged on one side of the furnace barrel; a furnace barrel inner cavity is formed in the filler furnace; a feeding component used for pushing fuel into the equipment is arranged in the furnace barrel inner cavity; the furnace barrel inner cavity is formed in the furnace barrel; the furnace barrel inner cavity is filled with water; a fire grate component used for achieving fuel combustion is arranged in the furnace barrel inner cavity;a smoke discharging component used for achieving smoke discharging is arranged in the furnace barrel inner cavity;and an ash discharging component used for taking out furnace ash is arranged at the bottom of the furnace barrel. According to the biomass fuel particle combustion equipment, fuels can be automatically filled,fire grates can be driven to be staggered in a laminated mode, and can rotate to enable the fuel to be sufficiently burned, so that the combustion efficiency is improved, and the flue can be fully utilized to heat water inside.

The invention provides a horizontally-feeding biomass particle combustion machine. According to the particle combustion machine, ash removal is easily achieved, and tempering danger is avoided. The horizontally-feeding biomass particle combustion machine comprises a hopper and a vaporizing chamber, wherein the hopper is connected with the vaporizing chamber through a feeding pipe; and the horizontally-feeding biomass particle combustion machine is characterized in that the feeding pipe is formed by sequentially connecting a first horizontal pipe, an anti-backfire pipe and a second horizontal pipe, and the first horizontal pipe is higher than the second horizontal pipe; the first horizontal pipe is connected with the bottom of the hopper, and a spiral feeding device driven by a motor is arranged in the first horizontal pipe; the second horizontal pipe is connected with the side of the bottom of the vaporizing chamber, the second horizontal pipe is provided with a feeding fan, and the blowing direction of the feeding fan faces the vaporizing chamber from the connecting position of the second horizontal pipe and the anti-backfire pipe; and an ash collecting concave portion is arranged on one side, far away from the second horizontal pipe, of the bottom of the vaporizing chamber. An ash removal door is arranged at the bottom of the ash collecting concave portion.

The invention discloses a particle combustion furnace, belongs to the field of combustion equipment, and solves the problem of low combustion efficiency of particle fuel in the prior art. According to the technical scheme, the bottom surface of a combustor is provided with a through hole for air intake and ash falling, a fire grate is arranged above the through hole, and the outer side wall of the bottom of the combustor is provided with an air guide channel; and the top end of the air guide channel is connected with an air supply channel, an annular air baffle is arranged at the bottom end of the air guide channel, an annular air inlet gap is formed between the annular air baffle and the bottom end of the combustor, a through hole is formed in an inner ring of the annular air baffle, and a rebound air baffle is arranged below the annular air baffle and penetrates through the through hole to face the fire grate. The particle combustion furnace is mainly used for promoting the combustion-supporting effect and improving the fuel efficiency of particle fuel.

The invention discloses a combustion system and method for burning biomass black granular fuel. The combustion system comprises a raw material bin, a coal feeder and a coal mill, an outlet of denitration equipment is connected with a flue gas inlet of an air preheater, a flue gas outlet of the air preheater is sequentially connected with a dust remover and an induced draft fan, and a cold air inlet of the air preheater is connected with an air feeder and an outlet of a primary fan. A hot air outlet of the air preheater is communicated with the boiler body and the coal mill; the outlet of the primary fan is also communicated with the coal mill; and an outlet of the induced draft fan is connected with a chimney and a coal mill. Low-temperature circulating flue gas is fed into a hot air pipe to be mixed and then fed into a coal mill, unheated primary air generated by a primary air fan is also fed into the hot air pipe to be mixed, and three media of cold air, cold flue gas and hot air are mixed and fed into the coal mill to be pulverized. The temperature and oxygen concentration of the outlet of the hearth can be adjusted, the combustion condition of black particle fuel is adjusted, and the adaptability of the boiler to black particle combustion is higher.

The invention discloses a horizontal type biomass-particle heat energy generating and purifying device. The horizontal type biomass-particle heat energy generating and purifying device comprises a complete machine frame, a material supplying device, an oxide supplying device, a particle combustion chamber, a separation purifying and heating device and an operation controller. Through multiple creative technological measures on the key technology aspects such as material supplying, oxide supplying, combustion and separation purifying, the horizontal type biomass-particle heat energy generating and purifying device has the operation functions of spiral continuous quantitative material supply, double-layer eddy flow controlled oxide supply, particle enough-oxygen complete combustion, cyclone water-absorbing separation purification, matching and coordination between material supply and oxygen supply and the like and solves the technical difficult problems that by the adoption of an existing biomass energy hot blast furnace, oxygen supply to a combustion chamber is not uniform, particle combustion is incomplete, the temperature of hot air is low, and inhalable particle emission and flue gas emission exceed the standards. The horizontal type biomass-particle heat energy generating and purifying device can meet the winter heating demands in production workshops, markets, warehouses and other large-area production and life sites in the northern area and can also meet the technical requirement for hot air in the drying production places such as the paint spraying industry, the grain industry, the food industry, the chemical industry and the pharmacy.