30results about How to "Guaranteed combustion temperature" patented technology

The invention discloses a medical waste incinerator applied with the oxygen-enriched combustion technology, and belongs to the field of environmental-friendly and energy-saving devices. The medical waste incinerator comprises an incinerator body, a second combustion chamber, a combustion air fan, an oxygen-enriched air supply system and a smoke tail processing system. Combustible components of medical waste are decomposed into combustible gas (smoke) in the incinerator body, and combustible gas enters a second combustion chamber body and flows downwards; the combustion air fan delivers combustion air into the incinerator body and the second combustion chamber body; the oxygen-enriched air supply system is used for generating oxygen-enriched gas and leading the oxygen-enriched gas into the second combustion chamber body; the smoke is contacted with the common combustion air and the oxygen-enriched gas which enters into the second combustion chamber respectively, turbulence and perturbation are formed in a main combustion zone by the smoke, and therefore the fact that waste gas burns out is facilitated. According to the medical waste incinerator applied with the oxygen-enriched combustion technology, the burning temperature of the waste gas of the incinerator is guaranteed to the maximum extent through oxygen-enriched equipment and a secondary air system, the second combustion chamber is facilitated to form turbulent flow, the staying time of the smoke in the second combustion chamber is prolonged, and therefore dioxin is decomposed.

The invention discloses a circulating fluidized bed boiler applicable to garbage incineration. The circulating fluidized bed boiler applicable to garbage incineration comprises a hearth, an air distribution device, a separator, a material return valve, an external bed heat exchanger, a tail flue, a water-cooling pipe bundle, an evaporation pipe bundle, a low-temperature superheater, a coal economizer, a recirculating smoke heat exchanger, an air pre-heater and the like. According to the circulating fluidized bed boiler applicable to garbage incineration, an in-boiler water-cooling wall is completely poured-covered with a refractory material, so that a high combustion temperature of the circulating fluidized bed boiler is ensured. Meanwhile, recirculating smoke is heated by virtue of hot smoke in the tail flue, so that charge heat is increased, and the combustion stability of garbage incineration in the circulating fluidized bed boiler is further improved. The heated recirculating smokeis mixed with primary air and secondary air, so that a primary air amount used for fluidization is reduced while an air temperature is increased, the effect of enhanced graded combustion is further achieved, and the original generation of NOx is reduced. The problem of insufficient heating surface in the heat-insulation hearth is solved through arranging a high-temperature superheater in an external bed; and meanwhile, the problems of high-temperature corrosion of smoke, and coking in a biomass and garbage incineration process, are greatly solved.

The heat pipe organic waste liquor treatment equipment is characterized by that the combustion furnace and concentration device are integrated into one body, in which the cold water part of combustion chamber of combustion furnace, internal top wall and four side-walls of U-shaped fly ash settling chamber and heated face of water-cooling partition wall adopt heat-pipe water-cooling structure. Itsconcentration device is divided into two circulating loops respectively formed from heater, separator, circulating pump and balance box, the heat-pipe to end of heat-pipe water-cooling structure is communicated with heater, and the bottom end of heat pipe is communicated with return pipe of heater.

The invention discloses a combustion recycling system for gasified fly ash of a fluidized bed. The combustion recycling system for the gasified fly ash of the fluidized bed comprises a first fuel bin, a cyclone separator, a limestone bin and an air film separator, wherein the first fuel bin is arranged on the upper portion of a furnace hearth, and conveys fuel through a gradual enlargement pipeline to a boundary position of a furnace hearth dense phase zone and a furnace hearth lean phase zone, an inlet of the cyclone separator is connected with an outlet of the furnace hearth, an outlet of the cyclone separator is connected with an inlet of an ash bucket, an outlet of a gasified fly ash bin is connected with the ash bucket, an air blower is connected with the ash bucket, an outlet of the ash bucket is connected with the downside dense phase of the furnace hearth, the limestone bin is connected with the middle of the furnace hearth, a second fuel bin is connected with the downside dense phase zone of the furnace hearth, a downside wind distribution plate is arranged on an inclined plane on the bottom side of the furnace hearth, a bottom wind distribution plate is arranged at the bottom of the furnace hearth, the air film separator is arranged on the lower side of the exterior of the furnace hearth, an inlet of the air film separator is connected with an outlet of an air compressor, and an outlet of the air film separator is respectively connected with an over fire air pipeline, the bottom wind distribution plate and the downside wind distribution plate. The combustion recycling system for the gasified fly ash of the fluidized bed can achieve efficient consumption of the gasified fly ash in a circulating fluidized bed boiler, and reduces fuel consumption and NOx discharge amount of the circulating fluidized bed boiler on the premise of effectively using the gasified fly ash.

The invention discloses a device guarantee regenerative thermal oxidizer (GRTO) capable of treating inflammable and explosive industrial organic waste gas more safely. The GRTO comprises an inlet gas flue, inlet gas switching valves, a furnace body, outlet switching valves, a purging air duct, an outlet flue and a burning system. Heat storage beds are filled with regular honeycomb ceramic heat accumulators, and the regular honeycomb ceramic heat accumulators are mainly made of dense cordierite and have the advantages of excellent acid, base and organic medium corrosion resistance, good heat storage effect, high heat recovery efficiency, small wind resistance, small coefficient of expansion caused by heat and contraction caused by cold, good anti-cracking ability, long service life and the like. All parts making contact with waste gas are coated with a high-temperature-resistant and corrosion-resistant coating, so that corrosion of the parts making contact with steel plates of the furnace body is avoided, and the relatively long service life of the furnace body can be guaranteed. The device GRTO can effectively decompose the organic waste gas into carbon dioxide and water vapor, the heat recovery rate is up to 95%, and the GRTO is safe, reliable, high in purification efficiency and suitable for organic waste gas treatment in multiple fields.

The invention discloses a flue gas recirculation system of a household garbage incineration power plant. The flue gas recirculation system comprises an incinerator, a reaction tower, a dust remover, an induced draft fan, a chimney and an air preheater, a flue gas outlet of the incinerator is connected with an inlet of the reaction tower, an outlet of the reaction tower is connected with one end of the dust remover, and the other end of the dust remover is connected with one end of the induced draft fan. The other end of the induced draft fan is connected with the chimney, air is introduced into one end of the air preheater, and the other end of the air preheater and the other end of the induced draft fan are connected with a secondary air chamber of the incinerator. According to the flue gas recirculation system of the household garbage incineration power plant, recycled flue gas replaces part of secondary air, so that the content of inert gas in a combustion area is increased, the flue gas absorbs heat, the concentration of oxygen is reduced, the flue gas and combustion-supporting air spread and combust in a high-temperature and low-oxygen atmosphere, the flame volume is multiplied, a local high-temperature area is reduced, temperature distribution is more uniform, generation of thermal NOx is inhibited, the coking problem of a hearth can be solved, and the heat efficiency and the generating capacity are improved.

The invention discloses a medical waste incinerator applied with the oxygen-enriched combustion technology, and belongs to the field of environmental-friendly and energy-saving devices. The medical waste incinerator comprises an incinerator body, a second combustion chamber, a combustion air fan, an oxygen-enriched air supply system and a smoke tail processing system. Combustible components of medical waste are decomposed into combustible gas (smoke) in the incinerator body, and combustible gas enters a second combustion chamber body and flows downwards; the combustion air fan delivers combustion air into the incinerator body and the second combustion chamber body; the oxygen-enriched air supply system is used for generating oxygen-enriched gas and leading the oxygen-enriched gas into the second combustion chamber body; the smoke is contacted with the common combustion air and the oxygen-enriched gas which enters into the second combustion chamber respectively, turbulence and perturbation are formed in a main combustion zone by the smoke, and therefore the fact that waste gas burns out is facilitated. According to the medical waste incinerator applied with the oxygen-enriched combustion technology, the burning temperature of the waste gas of the incinerator is guaranteed to the maximum extent through oxygen-enriched equipment and a secondary air system, the second combustion chamber is facilitated to form turbulent flow, the staying time of the smoke in the second combustion chamber is prolonged, and therefore dioxin is decomposed.

The invention discloses a garbage incinerator leachate return spray denitrification device and method, comprising a garbage leachate spray gun array, a thermocouple of a first flue, an infrared thermometer, an SNCR spray gun array, and a sensor at the outlet of the flue. The method is to precipitate and filter the leachate and mix it with ammonia water. According to the temperature value, perform flow control and automatic shutdown and clean water cleaning, and adjust the SNCR injection flow rate and the mixed concentration of ammonia water until the NOX value at the flue outlet reaches the requirement. . It can make full use of the leachate back-spray operation, mix ammonia water and combine with SNCR for overall denitrification, reduce the water and compressed air injected into the denitrification system, ensure the temperature of the boiler furnace, and greatly reduce the clean water, compressed air and electricity dosage. The device is low in price and strong in practicability, the method adopted is simple and easy to implement, and meets the requirements of environmental protection, and can be widely used in various waste incineration power plants, and has broad application prospects.

The invention discloses an energy-saving and environmentally-friendly combustion furnace for a drier, which relates to a combustion furnace and is used for solving the problems of high dust content of exhausted flue gas, the need of investment of dust removing equipment and sulfur removing equipment and the increase in power consumption and maintenance amount in the combustion process of conventional scattered coal. An oxygen supply pipeline of the combustion furnace is arranged at the bottom of a furnace body; a plurality of oxygen supply valves are arranged on the oxygen supply pipeline; a fire grate is clamped on the inner wall of the furnace body; a molded coal hole is formed on the furnace body; a slag outlet is formed on the furnace body; the molded coal hole and the slag outlet are horizontally arranged in sequence from right to left; the lower edges of the molded coal hole and the slag outlet and the upper end face of the fire grate are on the same horizontal plane; a transmission push plate is arranged in the furnace body; a piston type pull rod passes through the outer wall of the furnace body and is fixedly connected with the transmission push plate; and an observation port is formed at the left end of the furnace body. The combustion furnace is suitable for an indirect heat transfer rotary drum drier.

The invention discloses a movable animal incinerator which comprises a movable chassis, an incinerator body, an incinerator door, a first combustion chamber, a second combustion chamber and an air induction chamber. The movable animal incinerator is characterized in that an incinerator air distributing device is arranged outside the incinerator body, combustors are arranged on the first combustion chamber and the second combustion chamber respectively, the first combustion chamber and the second combustion chamber form an incinerator secondary combustion device through a combustion channel, the second combustion chamber is communicated with the air induction chamber through a flame discharging hole, and the air induction chamber and an air distributing pipe in the incinerator air distributing device form an incinerator chimney-free exhaust system. The movable animal incinerator is novel in design, reasonable in structure, good in treatment effect, free of environment pollution, and free of chimney.

The invention relates to a compact, small-capacity, and high-efficiency biomass pellet boiler, which includes an intelligent control system, a combustion chamber, a burner, a flue gas outlet, a primary fan, a secondary fan, an induced draft fan, a deaerator, a heat exchange chamber, and a cloth bag. Dust collector, steam-water separator, sub-cylinder, boiler water purifier; the heat exchange chamber adopts convection tube bundle heat exchange, and the heat exchange chamber is divided into four areas from top to bottom, and all four areas are equipped with blowing devices. The deaerator can not only reduce the insulation thickness but also preheat the water while ensuring the combustion temperature in the furnace; the combustion chamber and the heat exchange chamber are arranged separately; the combustion chamber adopts the reentrant arrangement and the type of secondary air to ensure complete combustion; heat exchange The room is divided into multiple areas to ensure complete heat exchange on the basis of clean pipes, and the exhaust gas temperature is low; bag dust removal ensures that the flue gas flowing to the atmosphere is fully clean; compact layout ensures the smallest volume of the whole machine.

The present invention is a small scale incinerator with the charge device cut-off from the outside air is so formed that the outside air cutoff / charge device comprises a waste storage box having a waste storage chamber temporarily storing the waste, an opening part closed door openably / closable provided in a space toward the primary combustion chamber of the furnace body, and a waste throw mechanism throwing the waste temporarily stored in the waste storage chamber to the primary combustion chamber in the furnace body. The waste throw mechanism is characterized in comprising a waste moving plate moving the waste stored in the waste storage chamber to the primary combustion chamber side of the furnace body, and a moving operation lever opening the opening part closed door by interlocked with the advancing movement of the waste moving plate and closing the opening part closed door by interlocked with the retreating movement, after the waste moving plate throws the waste in the primary combustion chamber of the furnace.

The invention relates to the field of liquid rocket engines, in particular to a thermal test device for real supply conditions of an injector of a gas-pneumatic thrust chamber, so as to solve the problem that the existing thermal tests of the thrust chamber and its injector are aimed at the mixed combustion of liquid propellants Or the thrust chamber injector of gas-liquid mixed combustion, the test method and test device cannot be used in the hot test of the thrust chamber injector of gas-gas mixed combustion. The device includes a thrust chamber test piece unit, an oxygen-rich gas generator unit and a fuel-rich gas generator unit. The thrust chamber test piece unit includes the thrust chamber test piece, the thrust chamber test piece is used to install the injector under test, the oxygen-enriched gas generator unit includes the oxygen-enriched gas generator, the fuel-rich gas generator unit includes the rich-burn gas generator, The outlets of the oxygen-enriched gas generator and the fuel-rich gas generator are respectively connected to the thrust chamber test piece, and are used to supply oxygen-enriched gas and fuel-rich gas to the thrust chamber test piece.

The invention discloses a CaMoO4: Eu3+, Li+ red phosphor and a preparation method thereof, which belong to the field of luminescence materials. The CaMoO4: Eu3+, Li+ red phosphor is prepared by using Ca (NO3) 2.4H2O, (NH4) 6Mo7O24.4H2O, Eu (NO3) 3.6H2O and Li2CO3 as raw materials and using urea and thiourea as fuel through the steps of adjusting the pH value of solution with ammonia liquor; and then putting a precursor into a burning reaction furnace preheated to 600 to 800 DEG C to directly carry out combustion synthesis reaction so as to obtain the CaMoO4: Eu3+, Li+ red phosphor. Compared with the prior art, in the invention, urea and thiourea are used as fuel together, which ensures the combustion temperature and extends the combustion time, so that the luminous property of the obtained product is greatly improved, and the obtained product is fragile; and the method is simple to operate, does not require high temperature treatment, and is easy to realize industrialization.

The invention discloses a combustion recycling system for gasified fly ash of a fluidized bed. The combustion recycling system for the gasified fly ash of the fluidized bed comprises a first fuel bin, a cyclone separator, a limestone bin and an air film separator, wherein the first fuel bin is arranged on the upper portion of a furnace hearth, and conveys fuel through a gradual enlargement pipeline to a boundary position of a furnace hearth dense phase zone and a furnace hearth lean phase zone, an inlet of the cyclone separator is connected with an outlet of the furnace hearth, an outlet of the cyclone separator is connected with an inlet of an ash bucket, an outlet of a gasified fly ash bin is connected with the ash bucket, an air blower is connected with the ash bucket, an outlet of the ash bucket is connected with the downside dense phase of the furnace hearth, the limestone bin is connected with the middle of the furnace hearth, a second fuel bin is connected with the downside dense phase zone of the furnace hearth, a downside wind distribution plate is arranged on an inclined plane on the bottom side of the furnace hearth, a bottom wind distribution plate is arranged at the bottom of the furnace hearth, the air film separator is arranged on the lower side of the exterior of the furnace hearth, an inlet of the air film separator is connected with an outlet of an air compressor, and an outlet of the air film separator is respectively connected with an over fire air pipeline, the bottom wind distribution plate and the downside wind distribution plate. The combustion recycling system for the gasified fly ash of the fluidized bed can achieve efficient consumption of the gasified fly ash in a circulating fluidized bed boiler, and reduces fuel consumption and NOx discharge amount of the circulating fluidized bed boiler on the premise of effectively using the gasified fly ash.

The invention belongs to a pre-incineration preheating device for solid granular hazardous waste (VOC components wrapped in particles) produced in the chemical process, and relates to a new type of hazardous waste waste heat preheating economizer, including multi-wave inner spiral finned tubes, lattice Topological composite layer coupling heating wall, porous multi-directional inclined sieve plate; multi-wave inner spiral fin tube and lattice topological composite layer coupling heating wall together constitute the shell of waste heat economizer, which is surrounded by the shell to form a device with a rectangular cross section and densely porous Multi-directional inclined sieve plate. The invention adopts flue gas waste heat as a heat source, and has a clear structure, which not only promotes the efficient utilization of flue gas waste heat, saves energy, but also reduces the weight of the structure, and effectively improves heat uniformity and eliminates local overheating by means of porous multi-directional inclined sieve plates inside the device effectively expand the contact surface, greatly prolong the residence time of hazardous waste in the device, significantly reduce the moisture content in hazardous waste, increase the initial temperature of incineration, stabilize the subsequent combustion temperature in the furnace, and greatly reduce secondary pollution of danger.