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360results about "Solid fuel combustion" patented technology

Chemical looping combustion variable load system based on flue gas recirculation and control method

The invention relates to a chemical looping combustion variable load system based on flue gas recirculation and a control method. The system comprises a chemical looping combustion system and a flue gas recirculation system (7), the chemical looping combustion system comprises an air reactor (1), a fuel reactor (2), an AR cyclone separator (3), an FR cyclone separator (4), an AR material return device (5), an FR material return device (6), an air supply system (8) and a fuel supply system (9). By controlling the flow and temperature of recirculated flue gas of the flue gas recirculating system and cooperatively controlling the opening degree of the conical valve and the circulating flux of the system, the load of the chemical looping combustion system is flexibly adjusted, the energy consumption is reduced, the efficiency is improved, and the operation cost is reduced; and the rest high-temperature flue gas enters a flue gas treatment system to be treated, high-purity CO2 gas is obtained after heat exchange, condensation and purification, and finally efficient combustion of fuel and low-energy-consumption carbon capture are achieved.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP

Biomass boiler with air preheating function

The invention discloses an air preheating biomass boiler, belongs to the technical field of boilers, and aims to solve the problems of low combustion efficiency, insufficient flue gas waste heat utilization and particulate matter emission of a traditional biomass boiler. Function optimization is achieved through a main body structure composed of a furnace body, a charging barrel and a rotating pipe, a double-spiral-disc heat exchange assembly is arranged in the charging barrel, biomass fuel is preheated through boiler exhaust smoke waste heat, meanwhile, smoke is discharged through exhaust holes after being distributed through spiral disc gas storage cavities, and unburned particles are filtered by a biomass layer and carried to a hearth to be subjected to secondary combustion; an air inlet cavity is formed in the rotating pipe, and air is preheated through the fixed pipe and the first connecting pipe and then input into the hearth. The exhaust assembly adopts a sliding rod and sealing block matched structure, and a convex block mechanism driven by a rotating pipe drives the sealing block to periodically move, so that gas in the charging barrel is intermittently exhausted through a double-layer filter screen. According to the boiler, the heat efficiency is improved through a smoke-air two-way preheating and particulate matter secondary combustion mechanism, and the biomass preheating, air heating and emission treatment process is optimized.
Owner:CHANGSHA LONGZHENG ENVIRONMENTAL PROTECTION TECH CO LTD

A reciprocating mechanical grate furnace and a grate jam determination processing method

The present application relates to solid waste treatment technical field, especially a reciprocating mechanical grate furnace and grate jam determination processing method, real-time collection of the motion parameters of the reciprocating grate; based on the above motion parameters, in the automatic mode operation process, the grate jam determination module determines whether the sliding grate of each stage occurs jam failure; if it is determined that the jam failure occurs, the system switches to the automatic emergency processing mode operation, and the grate jam automatic emergency processing module automatically handles the jam failure; when the factors of the jam failure disappear, the motion mode of the sliding grate of this stage is switched to the automatic mode, and the grate jam flag is automatically reset; the reciprocating grate jam is determined, and appropriate automatic emergency processing is made, the influence of mechanical jam caused by metal parts, bricks and stones and the like on the stable and continuous operation of the reciprocating grate furnace is reduced, and the comprehensive benefits of general industrial solid waste treatment plants are improved.
Owner:EVERBRIGHT ENVIRONMENTAL PROTECTION TECHNOLOGY EQUIPMENT (CHANGZHOU) CO LTD

Ultra-low emission system and method for chemical looping combustion flue gas

The invention relates to the technical field of flue gas purification and recovery, in particular to an ultralow emission system and method for chemical looping combustion flue gas. The system comprises a fuel reactor, a flue gas outlet of the fuel reactor is connected with an inlet of a cyclone separator, and a first nitrogen oxide removal unit and a second nitrogen oxide removal unit are sequentially arranged on an outlet flue of the cyclone separator; the outlet flue is sequentially connected with the dust removal unit, the desulfurization unit and the recycling unit, and part of flue gas treated by the dust removal unit is used for diluting a denitration reducing agent in the second nitrogen oxide removal unit and / or returns to the fuel reactor for cyclic utilization; and part of recycled flue gas treated by the recycling unit is at least used for atomization of a denitration reducing agent in the first nitrogen oxide removal unit, and / or returns to the chemical looping coal feeding system. According to the system and the method, a whole-process treatment link of denitration, dust removal, desulfurization and carbon dioxide capture and recovery of the chemical looping combustion flue gas is constructed, corresponding pollutants are accurately removed by each unit, and the flue gas is recycled.
Owner:DATANG ENVIRONMENT IND GRP

Biomass particle hot blast stove

The biomass particle hot blast stove comprises a stove body, a feeding assembly, a combustion assembly, a heat exchange assembly and a smoke exhaust assembly. The combustion assembly is arranged in the furnace body, a combustion chamber of the combustion assembly is sequentially divided into a drying pyrolysis area, a main combustion area and a burnout area in the conveying direction of biomass particles, and ordered partitioned combustion of preheating, sufficient combustion and complete burnout of fuel is achieved; the heat exchange assembly comprises a first heat exchange set arranged above the combustion assembly and a second heat exchange set arranged in the circumferential direction of the combustion assembly, and a three-dimensional and multi-layer waste heat recovery structure is formed. The combustion efficiency and the burn-off rate of the biomass particles are obviously improved; through the first heat exchange set and the second heat exchange set, efficient and sufficient recovery of combustion waste heat is achieved, and the overall heat efficiency and the energy utilization rate of the hot blast stove are greatly improved.
Owner:WUYISHAN WUYAN AGRICULTURAL MACHINERY TECHNOLOGY DEVELOPMENT CO LTD

A flow-directing apparatus for a furnace for curing tobacco

There is provided a flow-directing apparatus for a furnace for curing tobacco, the flow-directing apparatus comprising: one or more flow guides arranged to form a primary fluid flow path to guide a primary fluid flow from a primary combustion chamber of the furnace to a mixing region of the furnace; and one or more bypass channels arranged to form a secondary fluid flow path for receiving a secondary fluid flow from an inlet, wherein the secondary fluid flow path bypasses at least part of the primary fluid flow path, wherein an outlet of the one or more bypass channels is arranged to feed into the mixing region to cause the primary fluid flow and the secondary fluid flow to mix.
Owner:JT INTERNATIONAL SA

System for synchronously preparing biochar with different qualities

The utility model discloses a system for synchronously preparing biochar with different qualities. The system comprises a starting device, a combustion chamber, a first carbonization device, a second carbonization device and an alkali metal element recovery device, combustible gas generated in biomass carbonization by the starting device, the first carbonization device and the second carbonization device is input into the combustion chamber for combustion, and energy consumption can be reduced. A first flue gas input port of the first carbonization device is hermetically connected with a first flue gas output port of the combustion chamber; a second flue gas output port of the first carbonization device is hermetically connected with a second flue gas input port of the second carbonization device; a third flue gas output port of the second carbonization device is hermetically connected with a third flue gas input port of the alkali metal element recovery device; the flue gas utilization efficiency can be improved, and energy consumption is reduced. The product output port of the second carbonization device is further connected with the second raw material input port of the alkali metal element recovery device, and the alkali metal element recovery device is added, so that waste of alkali metal elements is avoided.
Owner:EVERBRIGHT GREEN ENVIRONMENTAL PROTECTION TECH SERVICE (JIANGSU) CO LTD

Regulation of water vapor in gasification processes

Gasification processes are disclosed, which can implement one or more strategies for heating and humidifying the gasifier effluent, as needed for effective hydrogen enrichment through the water-gas shift (WGS) reaction that converts H2O. Particular aspects, in carrying out these strategies, relate to the use of an evaporator upstream of a WGS reactor and operating at a comparable pressure (e.g., at least about 10 bar, at least about 20 bar, or at least about 30 bar, such as in a range from about 30 bar to about 100 bar). Such high-pressure evaporator may provide sufficient water vapor content, for effective generation of H2 via the WGS reaction, as needed for downstream uses. Advantageously, heat and / or material (e.g., condensate) sources may be available within the process itself, and integrated to meet at least some of the operational demands of the evaporator.
Owner:SUNGAS RENEWABLES INC

Novel biomass combustion furnace chimney device

The utility model discloses a novel biomass combustion furnace chimney device, which relates to the technical field of combustion furnaces, and comprises a furnace body, the top of the furnace body is provided with a radiator for carrying out heat exchange on combustion flue gas, one side of the radiator is communicated with an air outlet pipe, the top of the air outlet pipe is provided with a chimney body, and the chimney body is communicated with the radiator. The chimney has the advantages that the inclined pipe is beneficial to stabilizing the airflow in the chimney, if a straight-barrel-shaped chimney is adopted, the situation that the pulling force of the chimney is not enough can be generated in the high-speed working process of a fan, the airflow in the chimney needs to be supplemented through the inclined pipe, and therefore the chimney is not prone to being damaged. Otherwise, the overall length of the chimney needs to be increased, the cost is increased, the air outlet space of the connecting pipe is blocked through movement of the baffle, and therefore the effect of adjusting the air quantity entering the chimney body is achieved, and the air speed is adjusted according to the feeding and combustion conditions in the hearth.
Owner:加可科技(昆明)有限公司 +1

Rice hull combustion recycling drying equipment

This application relates to a rice husk combustion and recycling drying device, comprising: a combustion furnace and a drying chamber. The combustion furnace includes a biomass buffer chamber and a combustion chamber that are interconnected. An ash chamber connected to the combustion chamber is located inside the combustion furnace. A grate is located above the ash chamber inside the combustion furnace. A heat exchange chamber connected to the combustion chamber is located above the combustion furnace. An igniter is installed on the combustion furnace to ignite the rice husks inside the combustion chamber. A heat exchanger is installed inside the heat exchange chamber. The heat exchanger has a heat exchange channel for heating air. This application, through the coordinated use of the biomass buffer chamber, combustion chamber, ash chamber, heat exchange chamber, and igniter, fully utilizes the rice husks generated during rice processing, burning them as fuel to provide heat energy for the drying process, thus avoiding resource waste caused by the indiscriminate disposal or inefficient use of rice husks.
Owner:HUBEI SHENGZHONG AGRICULTURAL DEVELOPMENT CO LTD

Biomass and coal coupled combustion system and method

The invention discloses a biomass and coal coupled combustion system and method.The biomass and coal coupled combustion system comprises a pyrolysis reactor used for pyrolyzing biomass raw materials to generate biomass charcoal and pyrolysis gas, the pyrolysis reactor is provided with a first feeding port and a first discharging port, and the first feeding port is used for feeding the biomass raw materials; the preheating device is arranged on the pyrolysis reactor and is used for preheating the pyrolysis reactor; the combustion furnace is provided with an air inlet, a second feeding port and a coal feeding port, the second feeding port and the air inlet are both communicated with the first discharging port, and the coal feeding port is used for feeding coal. According to the biomass and coal coupling combustion system, the raw material range of biomass and coal coupling combustion can be effectively expanded, the biomass fuel treatment cost is reduced, and the coupling combustion stability and combustion efficiency are improved.
Owner:GUODIAN SCI & TECH RES INST

Biomass combustion gas hot air boiler

The utility model discloses a biomass combustion gas hot air boiler, the inner side of a rotating seat is embedded and rotatably connected with a rotating rod, the top end of the rotating rod is provided with a rotating blade, and the edge end of the rotating rod is fixedly connected with four linkage rods at equal angles at the bottom of the rotating blade; the bottom ends of the four linkage rods are connected with connecting rods at equal intervals, and the bottom ends of the connecting rods are fixedly connected with material turning shovel plates. Heat airflow generated in the combustion process is used for driving the rotating blades to rotate, and the rotating rods are synchronously driven to rotate; according to the biomass particle combustion device, the linkage rod, the connecting rod and the material turning shovel plate can be conveniently driven to rotate on the inner side of the combustion hearth, the material turning shovel plate moves along the top face of the leakage net, biomass particles accumulated in the combustion hearth can be conveniently turned through rotation of the material turning shovel plate, and therefore the biomass particles can be combusted more thoroughly, and the combustion effect is guaranteed.
Owner:HEBEI HANGJIE ENVIRONMENTAL PROTECTION EQUIPMENT TECHNOLOGY CO LTD

Device and method for improving air permeability of thick bed by using biomass fuel

The invention relates to a device and a method for improving air permeability of a thick bed by utilizing biomass fuel. The device comprises a T-shaped frame and a cross rod, the T-shaped frames are arranged in a bilateral symmetry mode, and the horizontal ends of the T-shaped frames face downwards. The cross rod is correspondingly and fixedly connected between the upper portions of the vertical ends of the T-shaped frames on the two sides. The method comprises the following steps: S1, preparing hydrogen-rich biomass; s2, forming the biomass combustion rod; and S3, sintering application. According to the invention, biomass which is a renewable clean resource is reinforced and applied to the field of sintering production, so that carbon emission is effectively reduced, and dependence on carbon-containing fuel in the sintering process is reduced; and meanwhile, the matching device can effectively improve the material layer air permeability in the thick material layer sintering process, and the effects of increasing yield and reducing consumption are achieved.
Owner:BENGANG STEEL PLATES CO LTD

Feeding device of biomass particle furnace

The utility model belongs to the technical field of biomass particle furnaces, and particularly relates to a feeding device of a biomass particle furnace, which comprises a storage bin, a feeding device is arranged below the storage bin, a feeding hole is formed in a position, corresponding to an opening in the lower end of the storage bin, of the feeding device, and a discharging hole is formed in one end, far away from the feeding hole, of the feeding device. The feeding device comprises a shell, a conveying assembly is installed in the shell, a plurality of transverse baffles are evenly installed on the conveying assembly at intervals, and two side baffles are symmetrically arranged at the two ends of each transverse baffle in a sliding mode. According to the utility model, the quantity of the fuel entering the combustion chamber can be controlled according to the requirements of different combustion furnaces, the application range is wider, and meanwhile, the buffering bin is arranged, so that the energy is saved, and the cost is reduced.
Owner:SHANDONG LUXU ENVIRONMENTAL PROTECTION TECH CO LTD

Combustion machine for cattle dung biomass fuel

The utility model provides a kind of combustion engine for cow dung biomass fuel, it is related to combustion engine technical field, and combustion engine includes furnace body, first air supply mechanism, second air supply mechanism and air direction adjusting mechanism;First air inlet is provided in the lower part of the side close to furnace body feeding, and this first air inlet is located below the fire grate in furnace body, and the air outlet end of first air supply mechanism is communicated with first air inlet;Air direction adjusting mechanism is set below fire grate, and its air inlet end is communicated with first air inlet, and the air outlet end is towards the fire grate of upper side, and the air outlet direction of air outlet end is adjustable;Second air inlet is provided in the upper part of the side close to furnace body flame exit, and the air outlet end of second air supply mechanism is communicated with second air inlet.The scheme can guarantee that biomass fuel is in the relatively optimal anoxic combustion state, while making the combustible gas at combustion engine outlet fully burn, so that the energy of biomass fuel is fully released, and the energy conversion efficiency of biomass fuel is improved.
Owner:马迅

Biomass fuel combustion device for making burnt pepper

The utility model discloses a biomass fuel combustion device for making burnt pepper, which comprises a fixed bottom plate, the fixed bottom plate is of a plate-shaped structure, a support frame body is arranged on one side of the top end of the fixed bottom plate, a feeding assembly is mounted at the top end of the support frame body, and the top end of the feeding assembly penetrates through a combustion hearth. A feeding hopper is arranged above the feeding assembly, the combustion hearth is arranged on the other side of the top end of the fixed bottom plate, and an air blowing assembly is arranged on one side of the combustion hearth. According to the biomass fuel combustion device for making the burnt peppers, the cross section of the whole fire grate body is of an inclined structure, when residues are collected subsequently, the residue collecting assembly only needs to be rotated at the position of the residue removing opening, and in the whole process, the residues are not prone to falling off. According to the slag removal device, the slag can be thoroughly removed without manually taking an external deflector rod to swing in the hearth in a large range by a worker, the operation is convenient, and the slag removal effect is better.
Owner:GUIZHOU GANJI SPICY XIANWANG FOOD CO LTD

Method and system for drying biomass fuel by high-temperature furnace flue gas

The application provides a high-temperature furnace flue drying biomass fuel blending combustion method and system. The method comprises: flue gas extraction: extracting high-temperature furnace flue gas from a boiler system; fuel delivery: delivering biomass material to a biomass material burner for combustion by using the high-temperature furnace flue gas, and drying the biomass material by using the heat of the high-temperature furnace flue gas during the delivery process; combustion control: monitoring combustion parameters in real time, and dynamically adjusting the air intake and fuel supply according to the combustion parameters, so that the combustion efficiency and pollutant emission meet the standards. The method uses the high-temperature flue gas generated by the boiler system to deliver and online dry the biomass material, without the need to configure additional drying equipment, so as to reduce the water content of the biomass material, improve the combustion efficiency and reduce the generation of pollutants, while reducing energy consumption and carbon emissions, and reducing the dependence on external energy and the overall operating cost.
Owner:XIAN THERMAL POWER RES INST CO LTD

Biomass pellet fuel burner

The utility model discloses a biomass pellet fuel burner, which relates to the technical field of fuel burners and comprises a base, a burning component and a feed adjusting component are arranged on the upper surface of the base, a moving component is arranged at the bottom of the base, the burning component comprises a cylinder fixedly mounted on the base, a positioning ring is arranged inside the cylinder, and a feed adjusting component is arranged on the feed adjusting component. Supporting legs are fixedly installed at the bottom of the positioning ring, a net plate is fixedly installed in the positioning ring, an ignition rod is inserted into one side of the cylinder, a fan is fixedly installed on one side of the upper surface of the base, an air outlet of the fan communicates with an air pipe, and one end of the air pipe communicates with one side of the cylinder. The biomass particle fuel burner disclosed by the utility model is provided with the feed adjusting assembly, so that the discharge amount of the fuel can be controlled according to the burning condition in the using process, the burning flame can be controlled in the using process, and the effect of using convenience of the burner is improved.
Owner:JIUQUAN YAHANG SHENGKE NEW ENERGY TECH DEV CO LTD

Biomass pellet combustion machine

ActiveCN117212775BInaccessibleAvoid smoke backfire phenomenonIncandescent ignitionSolid fuel combustionThermodynamicsCombustion chamber
This invention discloses a biomass pellet burner, comprising: a hopper including an inlet and an outlet; a screw feeder including a screw feed pipe, a screw feed rotating component disposed within the screw feed pipe, and a screw feed drive component connected to the screw feed rotating component, the outlet being disposed at a first end of the screw feed pipe; a combustion chamber disposed at a second end of the screw feed pipe; an air supply device including an air supply chamber and an air supply drive component connected to the air supply chamber, the air supply chamber including an air distribution chamber and a combustion chamber air chamber, the air distribution chamber communicating with the screw feed pipe, and the combustion chamber air chamber communicating with the combustion chamber; and an ignition device, a sealing plate disposed between the air distribution chamber and the combustion chamber, the inlet end of the ignition device being located within the air distribution chamber, and the outlet end of the ignition device being located within the combustion chamber. This invention avoids backflow and backfire by balancing the pressure of the screw feed pipe and the combustion chamber.
Owner:YUNNAN SUITEFENG AGRI TECH CO LTD

Pre-drying high-moisture fuel boiler

The utility model relates to the technical field of boilers, in particular to a pre-drying high-moisture fuel boiler which is characterized in that a boiler hearth comprises a hearth body and an extending hearth, the extending hearth is arranged on one side of the hearth body and communicated with the hearth body, and a fire grate is arranged in the boiler hearth. The boiler hearth inner cavity comprises a pre-drying part, a main combustion part and a burn-out part which are sequentially arranged from left to right; the pre-drying part corresponds to the extending hearth, a gas supply assembly is arranged at the position, corresponding to the pre-drying part, of the bottom of the boiler hearth, the gas supply assembly comprises a smoke cover and a smoke air duct, the smoke cover corresponds to the pre-drying part, one end of the smoke air duct is arranged at the bottom of the smoke cover and communicates with the smoke cover, and the other end of the smoke air duct communicates with the economizer; a feeding cover is fixedly arranged on the outer side of the extending hearth, and an anti-explosion door is arranged at the top of the extending hearth. High-moisture fuel entering the boiler hearth is pre-dried, the humidity of the high-moisture fuel is reduced, and it is guaranteed that the high-moisture fuel is fully combusted in the boiler hearth.
Owner:KAIFENG XINLI BOILER EQUIPMENT CO LTD

Boiler system

This prevents the risk of biomass fuel igniting and also prevents the biomass fuel from becoming too moist, which can accelerate fermentation. [Solution] A boiler system 100 is provided, comprising: a mill 12 for crushing biomass fuel; a fuel storage tank 20 for storing biomass fuel; a transport unit 30 for transporting biomass fuel; a boiler 40 that generates steam by burning the biomass fuel crushed by the mill 12 in a combustion device 41; and an exhaust gas extraction unit 90 that branches off a portion of the exhaust gas G flowing through an exhaust gas passage L1 that guides the exhaust gas G discharged from the boiler 40 to a chimney 71 and guides it to at least one of the fuel storage tank 20 and the transport unit 35. The exhaust gas extraction unit 90 includes a cooler 92 that cools the exhaust gas G by heat exchange with a heat transfer medium that is not mixed with the exhaust gas G, and a dehumidifier 93 that removes some of the moisture from the exhaust gas G cooled by the cooler 92.
Owner:MITSUBISHI HEAVY IND LTD

A wood burner

This utility model discloses a wood chip burner, including a frame and a combustion chamber mounted on it, and a fan connected to the combustion chamber. The combustion chamber has a feed inlet at the top, with a baffle slidably mounted on the feed inlet. A feed channel formed by multiple sets of guide plates and guide screens is located inside the combustion chamber below the feed inlet, and a discharge port is opened on the side of the combustion chamber along the discharge direction of the guide channel. The fan is connected to a second exhaust channel located above the guide channel via a first exhaust channel on both sides of the combustion chamber and a first exhaust port on it. Multiple sets of second exhaust ports are arranged along the discharge direction of the discharge port in the second exhaust channel. A storage chamber is located inside the combustion chamber below the guide channel, with a second guide screen slidably mounted inside the storage chamber. An ash outlet is opened at the bottom of the combustion chamber below the guide screens and the second guide screens in the guide channel. This is a novel wood chip burner.
Owner:HUANGSHAN BAIYUE ACTIVATED CLAY

Water-cooling vibration grate biomass boiler with flue gas recirculation device

The utility model discloses a water-cooling vibration grate biomass boiler with a flue gas recirculation device, which comprises a hearth, a coal spreading air pipe is arranged on the front side of the hearth, a plurality of primary air chambers are arranged on the lower portion of the hearth, and the primary air chambers respectively comprise a primary air chamber for preheating, a primary air chamber for burning and a primary air chamber for burnout. A flue gas recirculation device is arranged in front of the coal spreading air pipe and the primary air chambers, and an adjusting valve is installed on the flue gas recirculation device and used for adjusting the inlet flow of tail flue gas. The utility model provides a flue gas recirculation technology for a water-cooling vibration grate biomass boiler, which can effectively reduce the generation of original NOx, is more sufficient in preheating and better in combustion effect, prevents fuel at the lower part of a feed port from being combusted in advance, and prolongs the service life of a grate flexible pipe. And the method has relatively high social use value and application prospect.
Owner:HANGZHOU BOILER GRP CO LTD

Straw compressed pellet fuel energy-saving combustion furnace

A straw compressed particle fuel energy-saving combustion furnace comprises an energy-saving combustion furnace body, an exhaust port, a first auxiliary exhaust pipe and a second auxiliary exhaust pipe, the exhaust port is connected to the outer side of the energy-saving combustion furnace body, the first auxiliary exhaust pipe is connected to the inner side of the exhaust port, and the first auxiliary exhaust pipe slides in the exhaust port. The upper portion of the first auxiliary exhaust pipe is connected with the second auxiliary exhaust pipe through a screw, the second auxiliary exhaust pipe slides in the first auxiliary exhaust pipe, one end of the second auxiliary exhaust pipe is connected with the exhaust port, and the inner diameter of the first auxiliary exhaust pipe and the inner diameter of the second auxiliary exhaust pipe can be adjusted so that the device can be suitable for connecting ports of different sizes and is wide in application range. Operation is easy, adjustment is convenient, the structure is reasonable, automatic feeding is achieved, the workload of workers is reduced, and time and labor are saved.
Owner:TIANJIN HONGYA ENERGY SAVING TECH CO LTD

Solid fuel combustion device

A solid fuel combustion apparatus in which a plurality of solid fuels are fed to a combustion unit to obtain combustion heat through combustion. The combustion unit includes a first combustion chamber that burns solid fuels; a feeder that feeds the solid fuels to the first combustion chamber; a turntable that forms a lower surface portion of the first combustion chamber and turns the solid fuels fed from the feeder on the lower surface portion of the turntable, and an agitator that agitates the solid fuels accumulated on the turntable.
Owner:ICROSS CO LTD

Biomass boiler and method for operating a biomass boiler

ActiveEP4524467B1BurnersFuel feeding arrangements
The invention relates to a biomass boiler (1) for a solid biomass fuel (51), in particular pellets and / or wood chips, comprising: a boiler housing (2), a combustion chamber (3), a solid fuel conveying device (4) for feeding the combustion chamber (3) with the solid biomass fuel (51), wherein the solid fuel conveying device (4) has a conveying channel (5) and a conveying unit (6) for conveying the solid biomass fuel (51) within the conveying channel (5), a combustion air supply device (15) within the boiler housing (2) for distributing and supplying combustion air V, in particular primary (VP) and / or secondary (VS) and / or tertiary air (VT), into the combustion chamber 3, and an intake opening (24) for the combustion air (V).wherein the intake opening (24) is provided on the solid fuel conveying device (15) and a combustion air flow path (25) for the combustion air (V) leads from the intake opening (24) to the conveying channel (5) and further into the combustion air supply device (15), wherein the combustion air flow path (25) is guided at least partially along the conveying channel (5). Furthermore, the invention relates to a method for operating a biomass boiler (1).
Owner:FROELING HEIZKESSEL UND BEHAELTERBAU GESELLSCHAFT MBH

Gasification furnace with replaceable furnace pipe

The utility model belongs to the field of gasification furnaces, and particularly relates to a gasification furnace with a replaceable furnace pipe, which comprises a furnace body, a feed port arranged on one side of the furnace body, a movable furnace pipe arranged inside the furnace body, a furnace pipe opening arranged on one side of the movable furnace pipe and corresponding to the feed port in position, and a limit ring plate arranged at the upper end of the movable furnace pipe. A furnace pipe hanging plate matched with the limiting ring plate is arranged in the furnace body, and is characterized in that the furnace pipe hanging plate is provided with at least two limiting columns protruding upwards, the limiting ring plate is provided with limiting holes matched with the limiting columns, the limiting columns are different in size, and the limiting holes in the corresponding positions are matched with the limiting columns in size; the side wall of the movable furnace pipe is of a hollow interlayer structure, a partition plate is arranged in an inner cavity of the movable furnace pipe, the upper end of the partition plate is connected with the inner top of the movable furnace pipe, a gap is formed between the lower end of the partition plate and the inner bottom of the movable furnace pipe, a furnace pipe air inlet is formed in the upper portion of the outer side of the side wall of the movable furnace pipe, and a furnace pipe air outlet is formed in the upper portion of the inner side of the side wall of the movable furnace pipe. The combustor has the advantages of being reasonable in structure, flexible and convenient to use and good in combustion-supporting effect.
Owner:SHANDONG ZENGCHUN HEATING EQUIP CO LTD

Energy-saving heat supply equipment

The utility model discloses energy-saving heat supply equipment which comprises an equipment body, a transverse plate is fixedly connected to the upper portion of the interior of the equipment body, a conduction plate is fixedly connected to the inner wall of the transverse plate, a water adding pipe penetrates through the top of the equipment body, and a control panel is installed on one side of the outer wall of the equipment body. A shaking device is arranged on the lower portion of the interior of the equipment body and comprises a plurality of sliding rods fixedly connected to the lower portion of the interior of the equipment body. The utility model relates to the technical field of heat supply equipment, according to the energy-saving heat supply equipment, a door plate is opened, fuel is added into a material receiving groove, the fuel on the material receiving groove is shaken through a shaking device, ash generated after the fuel is burnt is shaken off and can be treated in time, contact between the burnt fuel and oxygen cannot be affected, burning is thorough, and the energy-saving heat supply equipment is energy-saving and environment-friendly. And the expected requirement can be met without more fuels, so that the heat supply equipment is relatively energy-saving in use.
Owner:BEIJING CHENGFANG TECHNOLOGY CO LTD

Continuous automatic carbon black production device and system

The invention discloses a continuous automatic carbon black production device and system, and particularly relates to the technical field of carbon black production, the continuous automatic carbon black production device comprises a support table, a first combustion body and a second combustion body are fixedly installed on the support table, and a conveying mechanism is fixedly installed at the bottom end of the first combustion body and the bottom end of the second combustion body; the first combustion body comprises a combustion furnace body, the combustion furnace body is fixedly installed on the support table, a sealing cover is fixedly installed at the top end of the combustion furnace body, a heat conduction cavity is formed in the combustion furnace body, and two partition longitudinal strips which are symmetrically distributed are fixedly installed in the heat conduction cavity; according to the automatic carbon black production device, the first combustion body and the second combustion body which are the same in structure are arranged, carbon black can be produced in the two combustion furnace bodies in a combustion mode, and the carbon black production efficiency is improved. Continuous carbon black production is formed, and the overall production efficiency of the carbon black is improved.
Owner:SHIZUISHAN HUAHAO CHEM CO LTD