10 results about "Grate firing" patented technology

The invention relates to a straw combustion boiler and a straw combustion heating system. The boiler comprises a combustion chamber and an ash pool, a water fire grate is fixedly arranged between the combustion chamber and the ash pool, a first double-layer plate water-cooled wall is arranged on the outer side of the combustion chamber and on a boiler arch, one end of the water fire grate is communicated with a water return port of the boiler, the other end of the water fire grate is communicated with the first double-layer plate water-cooled wall, a primary air supply pipe is arranged below the water fire grate, and a secondary air supply pipe is arranged on the side wall of the combustion chamber. The heating system comprises a boiler, a water tank, a water supply drum and a water return drum, the water tank is connected with a water inlet of the boiler through a water pipe, a smoke outlet of the boiler is connected with the water supply drum, the water supply drum is connected with a smoke inlet of the water return drum, and the water return drum is connected with a chimney; a water outlet of the boiler is connected with a water inlet of the water supply boiler barrel, a water outlet of the water supply boiler barrel supplies water to users, user return water is connected with the water return boiler barrel through a water return pipe, and the water return boiler barrel is connected with the boiler. The straw combustion efficiency is high, coal can be replaced, and the condition of the same room temperature is achieved.

The utility model discloses a biomass particle burner which comprises a base and a feeding mechanism. A combustion furnace is fixedly connected to the front side of the upper surface of the base, a hearth is arranged in the combustion furnace, a leading-out channel is arranged on the left side of the outer arc face of the combustion furnace and communicates with the hearth, air return pipelines which are symmetrically distributed front and back are arranged at the upper end of the leading-out channel, and the air return pipelines communicate with the outer arc face of the combustion furnace. A fire grate is fixedly connected to the lower end of the interior of the combustion furnace, an air inlet is formed in the right end of the outer arc face of the combustion furnace and located in the lower end of the fire grate, a lantern ring is fixedly connected between the edge of the top wall of the combustion furnace and the edge of the lower surface of the fire grate, and evenly-distributed air inlet holes are formed in the outer arc face of the lantern ring. According to the biomass particle combustion machine, through the design of the air flue, combustion is facilitated, meanwhile, an electric appliance is protected, and meanwhile heat can be recycled through air cooling.

The present application relates to waste incineration processing technical field, especially to waste power plant incinerator flue gas heat utilization system and method, system includes successively connected incinerator unit, flue unit and flue gas treatment and discharge unit;The incinerator unit includes drying section grate, combustion section grate and afterburning section grate;The flue unit includes first flue and second flue, second flue is set in the front of first flue, the smoke outlet of first flue is communicated with the smoke inlet of second flue, the smoke outlet of second flue is communicated with flue gas treatment and discharge unit, and the lower end ash outlet of second flue is set above drying section grate.The present application adopts the second flue to be placed in the front of first flue, makes the flue gas generated by garbage combustion flow upward and forward in reverse, increases the contact area of flue gas and boiler water cooling wall to improve heating efficiency, and the high-heat fly ash generated by second flue is sent to drying section grate to preheat garbage, so that the flue gas heat generated can be reused.

The utility model provides a kind of slagging-off equipment of grate refuse incinerator, it is related to the field of refuse incineration, including the material separation unit for screening material, the collecting unit for collecting large material is arranged in one side of the material separation unit, the air-locking extruding unit for extruding material is arranged in the bottom of the material separation unit;The utility model separates large block slag by material separation unit, and collecting unit can collect large block material, and then can solve the problem of large block slag blockage, can effectively reduce manual intervention treatment cost, reduce the security risk when manual intervention, air-locking extruding unit can prevent air from entering grate combustion area when closing, avoid affecting oxygen content control in furnace, and unburned refuse can be secondary combustion in auxiliary combustion cooling conveyor, reduce the pollution of unburned refuse to slag, and the resource waste of re-melting combustion, improve the environmental pollution problem of slag processing unit.

The utility model discloses a gasification coupling combustion device suitable for a whole bundle of straw, which belongs to a combustion boiler device and comprises a combustion furnace body, a furnace front feeding device and a fire grate, the combustion furnace body is divided into a gasification chamber and a combustion chamber by a combustion chamber front wall along the straw conveying direction, and the gasification chamber and the combustion chamber are communicated front and back. A plurality of bundle breaking devices are arranged in the gasification chamber in the conveying direction. A plurality of combustible gas outlets are formed in the front wall of the combustion chamber and located at the top of the gasification chamber, and the combustible gas outlets are located in the combustion chamber and correspondingly provided with fuel gas drainage plates; the stokehole feeding device is correspondingly arranged at the front end of the gasification chamber; the fire grate is correspondingly arranged at the bottom of the combustion furnace body in the conveying direction, a plurality of air chambers are distributed in the fire grate in the conveying direction, and the air chambers communicate with external air. According to the utility model, the direct combustion and utilization of the whole bundle of straws can be realized, and the emission of original NOx is reduced.

The utility model relates to the technical field of garbage treatment, and discloses a fire grate incinerator which comprises an incineration chamber and a secondary combustion chamber, and smoke passing channels communicated with each other are arranged between the incineration chamber and the secondary combustion chamber. A throwing opening is formed in one side of the incineration chamber, a slag outlet is formed in the other side of the incineration chamber, a reciprocating fire grate and a chain fire grate are arranged in the incineration chamber, the head end of the reciprocating fire grate is located below the throwing opening, the tail end of the reciprocating fire grate is in butt joint with the head end of the chain fire grate, and the tail end of the chain fire grate is located above the slag outlet; the secondary combustion chamber is used for secondary combustion of smoke generated in the incineration chamber, and a smoke outlet is formed in the secondary combustion chamber. According to the grate incinerator, the advantages that the reciprocating grate is high in fire poking and coke breaking capacity and high in heat efficiency are reserved, incinerated matter combusted through the reciprocating grate is sufficiently combusted again through the chain grate, the pyrolysis and gasification effect is guaranteed, in addition, generated smoke is secondarily combusted through the secondary combustion chamber, and the cleanliness of final output smoke is greatly improved.

The invention discloses a grate furnace structure suitable for 100-ton daily-scale low-heating-value waste incineration. Comprising an incinerator grate structure arranged in a garbage incinerator, a garbage feeding mechanism arranged at a garbage incineration input port of the garbage incinerator, an ash conveying mechanism arranged at the bottom of the garbage incinerator and an ash discharging mechanism arranged at a garbage incineration output port of the garbage incinerator. A hearth smoke outlet is formed in the top of the garbage incinerator; the incinerator fire grate structure comprises a drying section fire grate, a combustion section fire grate and a burnout section fire grate which are arranged in the garbage incinerator and sequentially arranged in the direction from the input end to the output end. According to the incinerator, the garbage drying efficiency can be improved, a traditional inclined pusher is adjusted to be horizontally arranged, a device for actively extruding garbage leachate is additionally arranged, the evaporation efficiency in the drying stage and the garbage pretreatment effect are effectively improved, the conventional layout of the combustion section is adjusted, the total hearth length is shortened, and the combustion efficiency is improved. And the method can well adapt to the processing scale requirement of 100t / d.

The utility model discloses a combustion temperature regulation and control mechanism of a biomass boiler, and relates to the technical field of biomass boilers. The energy-saving furnace comprises a furnace shell, a combustion temperature regulation and control assembly and an air inlet temperature regulation assembly, a furnace pipe is fixedly connected to the bottom of an inner cavity of the furnace shell, a fire grate is fixedly connected between the two sides of an inner cavity of the furnace pipe, the combustion temperature regulation and control assembly comprises a control box, and the front side of the control box is fixedly connected with the furnace shell. The combustion temperature regulation and control assembly is used for regulating and controlling the combustion temperature of biomass fuel, supply of the fuel is stopped when the temperature in the furnace pipe is overheated and needs to be reduced, the adjusting mechanism is used for controlling the two connecting frames and the push wheel to move, the push wheel does not extrude the thermal insulation baffle after moving, and the thermal insulation baffle does not extrude the biomass fuel. The heat insulation baffle inclines and shields the fuel, heat dissipation of the fuel is reduced, the pressure in the furnace shell is reduced, the fuel continuously burns in the temperature control process, a large amount of smoke is not generated, and a large amount of coking in the furnace pipe is avoided.

The utility model discloses a kind of high-temperature-resistant anticorrosive boiler equipment, specifically related to boiler equipment technical field, including combustion furnace, combustion furnace inside is equipped with grate, combustion furnace inside is equipped with furnace body, combustion furnace inside and grate outside are all provided with high-temperature-resistant layer, high-temperature-resistant layer outside is equipped with anticorrosive layer, the material of high-temperature-resistant layer is organic silicon high-temperature-resistant paint, the material of anticorrosive layer is epoxy coal-tar pitch paint, combustion furnace outside is equipped with connecting assembly and recovery mechanism, recovery mechanism is installed in connecting assembly one side;Connecting assembly includes first flange, first flange is fixedly connected with the top end of combustion furnace.The utility model is equipped with connecting assembly and recovery mechanism, can quickly install and disassemble furnace cover, installation and disassembly can be completed without using complex tool, reduce operation difficulty, while can be re-delivered to combustion furnace inside with flue gas and burn, reduce the oxygen concentration and temperature of combustion area, can improve combustion condition.

The invention relates to the technical field of biomass boilers, and discloses a gasification direct-combustion coupling integrated biomass boiler which comprises a base, a furnace shell is arranged at the top of the base, a combustion mechanism is arranged on the inner side of the furnace shell and comprises a fire grate, and the fire grate is fixedly connected to the left side of the bottom of the inner side of the furnace shell. An air chamber is arranged on the inner side of the fire grate, a middle wall arch is fixedly connected to the left side of the interior of the furnace shell, a flow tube bundle area is fixedly connected to the top of the right side of the furnace shell, and the right end of the flow tube bundle area communicates with an energy saver. Biomass fuel is combusted through the fire grate, after heat energy of generated high-temperature tail gas is recycled through the energy saver, the high-temperature high-pressure fan is fed into the air chamber and the fire grate through the air feeding pipe, after high-pressure air is heated by the fire grate, the high-pressure air evenly penetrates through materials to improve the reaction rate of biomass, and a rotary mixed combustion and intensified combustion power field is formed in a main combustion area through air outlet holes. And the combustion efficiency of the device is improved.