208 results about "Biomass gasifier" patented technology

The invention discloses a DeepSeek-based biomass gasifier control optimization method and a DeepSeek-based biomass gasifier control optimization system. The DeepSeek-based biomass gasifier control optimization method comprises the following steps of: acquiring operation data of a biomass gasifier in real time and in all directions by utilizing multiple sensors and preprocessing the operation data; collecting and organizing professional knowledge related to biomass gasification, and constructing a knowledge graph in combination with the preprocessed biomass gasifier operation data; taking the preprocessed data as input, taking the constructed knowledge graph as a knowledge base, designing a training objective function of a comprehensive performance index through transfer learning, and combining reinforcement learning with a DeepSeek model to carry out model training and optimization; the DeepSeek model utilizes the trained model to predict an optimal control strategy according to real-time gasifier operation data and knowledge graph related knowledge and converts the optimal control strategy into an instruction for execution; s5, adjusting a control strategy in real time through online monitoring and feedback optimization; according to the method, the control precision and adaptability are remarkably improved, and the model generalization and adaptability are enhanced.

The invention belongs to the field of coupling power generation, and provides a coupling pulverized coal fired boiler low-load stable combustion and blending combustion system and a control method. According to the system, cold air from a boiler primary air fan is divided into two paths, one path is directly conveyed to a cold air main pipe, and the other path is conveyed to a hot air main pipe after being preheated by a preheater; the coal mill correspondingly takes cold air and hot air from the cold air mother pipe and the hot air mother pipe, the cold air and the hot air are mixed to a set temperature and then enter the coal mill for pulverized coal drying, and the dried pulverized coal is conveyed to the pulverized coal boiler to enter a hearth for combustion; the biomass gasification furnace takes cold air and hot air from the cold air mother pipe and the hot air mother pipe correspondingly, and the cold air and the hot air enter the biomass gasification furnace after being mixed to a set temperature; the biomass material is gasified in the biomass gasification furnace to generate carbonized products, namely biomass charcoal and biogas; the carbonized product biomass charcoal is conveyed to a coal mill to be milled together with the raw coal, and then is blown to a pulverized coal boiler to enter a hearth for combustion; biogas directly enters the pulverized coal boiler and enters a hearth for combustion.

The invention relates to the technical field of garbage treatment, in particular to a garbage low-carbon coupling treatment system and method.The method comprises the following steps that large wet materials and organic waste residues are separated from kitchen garbage, and the large wet materials are dried and put into a garbage incinerator to be combusted to release heat; fermenting the organic waste residues to obtain biogas which is used for burning and heating methanol liquid to generate methanol steam, mixing the methanol steam with water vapor, and performing catalytic hydrogen production to obtain mixed gas; the sludge is dried, a part of the dried sludge is put into a biomass gasifier to be subjected to coupled gasification with biomass waste to generate biomass gas, and the rest of the dried sludge is put into a garbage incinerator to be combusted together; and the mixed gas obtained through catalytic hydrogen production is separated, hydrogen and other combustible gas are obtained, and the biomass gas and the other combustible gas are fed into a garbage incinerator to be combusted together. According to the scheme, kitchen waste, sludge and biomass waste can be subjected to coupling treatment, and hydrogen is prepared.

The invention relates to the field of biomass energy conversion, in particular to a multi-mode intelligent purification system and method for a biomass gasifier, and the system integrates five modules of self-adaptive multi-field coupling tar cracking, multi-dimensional real-time intelligent monitoring, in-situ nano catalyst regeneration, energy cascade recovery and digital twin driving. According to the system, through the synergistic effect of an electric field, ultrasonic waves, catalysis and a temperature gradient, the tar removal efficiency is remarkably improved to 99.5% or above, the content of tar at an outlet is lower than 5 mg / Nm < 3 >, an intelligent monitoring module collects technological parameters in real time, and precise control is ensured; the catalyst regeneration module performs in-situ regeneration on a catalyst based on monitoring data to maintain efficient operation of the system; the energy recovery module utilizes heat energy in a gradient mode and optimizes energy configuration, the digital twin module constructs a system digital model, optimization and predictive maintenance of real-time data driving are achieved, and the system achieves innovation breakthrough of intelligence and energy conservation while improving the biomass gasification purification efficiency.

The invention relates to the technical field of steel sintering processes, in particular to a biomass gasification coupling system for a steel sintering process, which comprises a biomass gasification system, a circular cooler waste heat utilization system and a waste heat power generation system, the biomass gasification system comprises a biomass drying system, a raw material conveying belt system, a biomass gasification furnace, a biomass gas heat insulation combustion chamber, a sintered coke powder preparation system and a biomass gas purification system, and the biomass drying system is used for drying biomass raw materials; and the dried biomass raw materials are conveyed to the biomass gasification furnace through the raw material conveying belt system. According to the coupling system for biomass gasification for the steel sintering process and the control method, biomass serves as zero-carbon energy, and biomass charcoal obtained after biomass gasification can replace part of solid fuel to achieve the carbon reduction effect. Meanwhile, the biomass gasified gas can replace a part of coal gas, and the carbon reduction effect can also be achieved.

The invention belongs to the field of new energy, and particularly relates to a water-cooled grate biomass gasifier and a biomass gasification method. The water-cooled grate biomass gasification furnace comprises a gasification furnace body of a downdraft structure, the gasification furnace body is internally provided with a feeding system, the feeding system comprises a feeding chute, a feeding sealing door and a feeding sealing door, the feeding chute is provided with an anaerobic system pipeline, and a feeding grate is located below the feeding sealing door; the water-cooling fire grate assembly is composed of multi-stage welding type water-cooling fire grate segments, and a cooling water cavity is formed in the water-cooling fire grate assembly. The hearth is divided into a drying layer, a pyrolysis layer, a reduction layer and an oxidation layer in the material moving direction. The gasifying agent supply system comprises a primary air duct, a secondary air duct, a steam injection pipeline I and a water vapor injection pipeline II, wherein pure oxygen is introduced into the primary air duct; the cooling circulation system comprises a circulation pipeline, a circulation water pump and a radiator, wherein the circulation water pump and the radiator are installed on the circulation pipeline. The circulation pipeline is communicated with the water-cooling fire grate assembly to form a closed circulation loop. The device is high in reliability, long in service life, low in emission, easy to control and good in gasification effect.

The utility model belongs to the technical field of biomass gasification furnaces, and particularly relates to a biomass gasification furnace air inlet device which comprises a furnace body, a support is arranged at the bottom of the furnace body, a feeding port is formed in the top of the furnace body, an exhaust port is formed in the upper portion of the surface of one side of the furnace body, and an annular pipeline is arranged below the surface of the outer side of the furnace body. A gas inlet pipe is arranged on one side of the outer portion of the annular pipeline, four extending pipes are evenly arranged on the inner wall of the furnace body, the extending pipes are arranged below the fire grate, the four extending pipes all communicate with the interior of the annular pipeline, limiting bolts are arranged on the sides, close to the circle center of the furnace body, of the upper surfaces of the extending pipes, and the annular pipeline is arranged below the surface of the furnace body. Air firstly flows into the annular pipeline to be preheated and then is introduced into the furnace, cold air is prevented from directly entering the furnace to influence the stability in the furnace, meanwhile, four air outlet holes capable of being independently adjusted are formed in the lower portion in the furnace, and the air outlet amount in the single-side direction can be controlled externally so as to control the air outlet amount and the oxygen content of all areas in the furnace.

The invention belongs to the technical field of biomass energy, and particularly relates to a biomass gasifier system based on decoupling zoning and tar in-situ cracking and a tar control method.The biomass gasifier system comprises a furnace body, a feeding mechanism and a preheating mechanism, the furnace body is of a vertical multi-section cavity structure, and the interior of the furnace body is divided into a cracking zone, an oxidation zone and a reduction zone from top to bottom; the areas are separated by at least one group of partition plates with holes; a gas distributor is fixed at the side part of the furnace body and is communicated with the oxidation zone; a rotating blade loaded with a catalyst is arranged in the reduction area; the feeding mechanism is arranged above the furnace body and used for providing biomass raw materials for the furnace body. The system has the advantages that the tar content is reduced through decoupling partition design and catalytic cracking cooperative control, the output rate and the lower calorific value of combustible gas are improved, and the biomass gasifier system has an obvious cooperative upgrading effect on the obtained mixed gas.

The invention discloses a solar energy-biomass collaborative conversion distributed energy system based on calcium-based thermochemical heat storage driving biomass gasification. The solar energy-biomass collaborative conversion distributed energy system comprises a heat storage system, a biomass gasification system, a solid oxide fuel cell combined gas turbine power generation system, a Rankine cycle power generation system, a hot water supply system and pipelines for connecting all the systems. According to the heat storage system, heat energy is stored in the form of chemical energy through the concentrating solar energy technology and the calcium-based thermochemical heat storage technology, and continuous operation of the system is guaranteed. According to the biomass gasification system, heat released in the calcium oxide carbonation process is used for providing heat for the biomass gasification furnace, and biomass materials are converted into high-temperature synthesis gas. And then the high-temperature synthesis gas passes through a high-temperature purification device and then enters a solid oxide fuel cell-gas turbine system of top layer circulation to generate electric power. And finally, the waste heat flue gas provides heat energy for a steam power Rankine cycle and a hot water supply system.

The invention discloses a green low-carbon wood-plastic composite material continuous production system and an energy consumption management method, and relates to the field of wood-plastic composite material production. The raw material pretreatment module is integrated with a wood powder precise drying device, a plastic recycling device and an auxiliary material proportioning device, and the water content and the recycling purity are controlled; the continuous mixing and plasticizing module adopts a conical double-screw extruder, multi-section temperature control, combined screws and double-layer heat preservation; the forming and shaping module comprises a self-adaptive runner mold, a gradient cooling system and an online detection device; the waste closed-loop utilization module collects dust under negative pressure, crushes leftover materials and modifies and recovers the leftover materials; the clean energy supply module is integrated with a photovoltaic system, a biomass gasification furnace, a ground source heat pump and an energy storage system; the intelligent energy consumption management and control module collects data in real time and optimizes energy consumption through an algorithm. According to the invention, the renewable energy utilization rate and the waste utilization rate are improved, the energy consumption and carbon emission are reduced, the product quality is guaranteed, green low-carbon continuous production is realized, and the industrial sustainable development is promoted.

The utility model discloses a biomass gasification furnace provided with an ash cleaning and feeding structure, which relates to the field of biomass and comprises a furnace main body, the top of the furnace main body is connected with a feeding port, and the inside of the furnace main body is connected with a filter screen; according to the biomass gasification furnace with the ash removal and feeding structure, when a cleaning rod rotates, combustion dust can fall into a collecting box through holes in the surface of a filter screen to be collected, feeding of the furnace is facilitated after ash removal, the ash removal and feeding functions of the gasification furnace are achieved, the collecting box is pulled after a limiting plate is positioned, a sliding groove can be driven to move, and the dust removal and feeding functions are achieved. The sliding groove can slide through the sliding block when moving, the collecting box can be disassembled when the sliding block slides out of the side face of the sliding groove, dust in the collecting box can be poured away after the collecting box is disassembled, and an inner cavity of the connecting shell can be closed after a closing plate rotates to a designated position. After the inner cavity of the connecting shell is closed, dust generated by the gasification furnace can fall on the upper surface of the closing plate, the furnace does not need to be closed for cleaning, and uninterrupted dust cleaning is achieved.

The utility model discloses a biomass fluidized bed gasification furnace heat supply coupling internal combustion engine power generation system. A biomass gasification furnace utilizes biomass raw materials to produce combustible gas; the internal combustion generator set generates power by taking combustible gas as a gas source, the working time of the internal combustion generator set is concentrated on the peak-flat section of the power grid electricity price, and the electric energy generated by the internal combustion generator set is supplied to the power grid; the biomass gas steam boiler receives combustible gas and burns the combustible gas to generate heat, steam heat energy generated by the biomass gas steam boiler is supplied to the user side, and the working time period of the biomass gas steam boiler is concentrated in the valley period of the power grid electricity price. Both the biomass gas steam boiler and the internal combustion generator set receive combustible gas produced by the biomass gasification furnace through gas pipelines, and the gas pipelines are provided with electric control valves for controlling the gas supply states of the internal combustion generator set and the biomass gas steam boiler. The comprehensive energy consumption cost can be reduced, the energy utilization efficiency is improved, and meanwhile, remarkable environmental benefits are achieved.

The automatic deslagging system comprises an ash chamber, ash cutters, a rotating shaft, a spiral conveying device, a cooling device and a first motor driving device, the rotating shaft is arranged in the center of the ash chamber, the multiple ash cutters are arranged on the rotating shaft and arranged at intervals in the length direction of the rotating shaft, and the spiral conveying device is arranged on the rotating shaft. The rotary shaft is in transmission connection with a first motor driving device arranged outside the ash chamber, the cooling device is a water cooling jacket arranged on the peripheral side of the ash chamber in a wrapping mode, and a feeding port of the spiral conveying device is connected with the bottom of the ash chamber. And not only is the operation safety of the gasification furnace guaranteed, but also the service life of equipment is greatly prolonged, and the deslagging efficiency is greatly improved.

The automatic feeding device comprises a material conveying pipe, a driving motor is installed at one end of the material conveying pipe, the output end of the driving motor is connected with a material conveying mechanism installed in the material conveying pipe and used for conveying fuel, a feeding opening is formed in the upper side of the material conveying pipe and used for feeding, and a feeding opening is formed in the lower side of the material conveying pipe. A discharging opening is formed in the lower side of the end, away from the feeding opening, of the conveying pipe; and the conveying mechanism comprises a mounting rod, the interior of the mounting rod is hollow, and a fixed spiral blade is fixedly mounted on the outer side of the end, facing the driving motor, of the mounting rod. The device at least has the following beneficial effects that a complete conveying auger is composed of the fixed spiral blades and the movable spiral blades, the movable blocks are driven by air pressure to be in chain type linkage, the spiral blades are periodically separated and recombined, arch hard blocks are forcibly broken, and the sealing cavity cooperates with the air pump and the hydraulic rod; and reliable dredging under the working condition of large resistance is ensured.

The invention discloses a biomass gasifier with a waste cleaning function, and relates to the technical field of biomass gasifiers, the gasifier comprises a gasifier body, a water-cooling slag discharge cabin, a sound wave ash removal device and a cyclone dust removal device, a heating block is arranged in the gasifier body, the heating block heats and incinerates biomass raw materials in the gasifier, and the water-cooling slag discharge cabin and the sound wave ash removal device are communicated with the cyclone dust removal device. The sound wave ash cleaning device is arranged above the gasification furnace body and is used for cleaning accumulated ash and wall-hung objects in the gasification furnace body, the water-cooling slag discharging cabin is arranged below the gasification furnace body, a surrounding type water-cooling interlayer is arranged on the wall of the cabin body of the water-cooling slag discharging cabin, and the water-cooling interlayer realizes local cooling through an external circulating water system. The cyclone dust removal device is connected with the gasification furnace body through a pipeline, and combustible gas generated by combustion of biomass raw materials in the gasification furnace body is filtered by the cyclone dust removal device and then discharged. Efficient cooling of waste materials is achieved through the water-cooling deslagging cabin, and the effect of avoiding damage of high temperature to a deslagging system is achieved.

This invention discloses a method and system for real-time monitoring and optimization of biomass gasifier operating conditions based on machine vision and multi-source data fusion. The method includes: synchronously acquiring gasifier images and sensor data; dynamically generating a thermal field distribution map from temperature data to construct a multimodal dataset; pre-training a cross-modal Transformer and using the thermal field distribution map as a physical prior to guide attention to focus on the high-temperature region, obtaining a cross-modal encoder; constructing a repair adversarial network with a fixed encoder; and using a discriminator to fuse image features, sensor features, and the thermal field distribution map for adversarial collaborative discrimination to achieve unsupervised anomaly detection; inputting the anomaly region into an improved U-Net, initializing attention weights with the thermal field distribution map, and outputting a segmentation mask and morphological features; fusing morphological features and sensor data to output operating condition categories and triggering early warnings; and generating optimization parameters based on the early warnings and triggering incremental learning. This invention achieves accurate monitoring and adaptive control of gasifier operating conditions.

The invention relates to the technical field of biomass gasification furnaces, and discloses a biomass gasification furnace with a sealed drying system, the biomass gasification furnace comprises a biomass gasification furnace, the lower surface of the biomass gasification furnace is provided with a connecting pipe, and the top of the biomass gasification furnace is provided with a sealing part; the sealing component comprises a fixing plate, the end of the fixing plate is fixedly connected with the surface of the biomass gasifier, the top of the fixing plate is fixedly connected with a hydraulic rod, the telescopic end of the hydraulic rod is fixedly connected with a linkage plate, and the end, away from the hydraulic rod, of the linkage plate is fixedly connected with a lifting disc. When a hydraulic rod moves, a linkage plate is connected with a lifting disc to drive a sealing disc to move upwards, when the sealing disc moves, the sealing disc is separated from the inner wall of the biomass gasification furnace, and at the moment, biomass raw materials can be put into the biomass gasification furnace to be subjected to drying combustion treatment; and the hydraulic rod moves downwards to push the sealing disc to enter the biomass gasification furnace, and the sealing disc is used for sealing the top of the biomass gasification furnace.

1. Name of the product in this design: Biomass gasification furnace. 2. Purpose of this design: To convert biomass raw materials into combustible gas through high-temperature pyrolysis reaction. It is a highly efficient and clean way of utilizing biomass energy. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a large-scale biomass gasification system, which comprises a biomass gasification furnace, a combustion chamber, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe and a gas outlet pipe, the burner is arranged at the top of the combustion chamber, and the burner comprises a fuel gas pipe, an oxygen feeding pipe and a plurality of feeding pipes; the conveying system comprises a normal-pressure powder storage bin and a plurality of powder supply modules corresponding to the feeding pipes in number, each powder supply module comprises a feeding tank and at least one variable-pressure lock hopper, and a feeding port and a discharging port of each variable-pressure lock hopper communicate with the normal-pressure powder storage bin and the feeding tank correspondingly; according to the large-scale biomass gasification system, materials are alternately conveyed and stored through the multiple sets of independent powder supply modules, large-scale continuous production is achieved, the invention further discloses a using method of the large-scale biomass gasification system, and continuous production of a biomass gasification furnace can be achieved.

The utility model relates to a slag removal device of a gasification furnace, and belongs to the field of biomass gasification furnaces, the slag removal device of the gasification furnace is relatively simple in overall structure, facilitates incineration operation on materials, facilitates ash removal operation on the inner wall of a gasification furnace main body compared with the prior art, improves the practicability of the gasification furnace main body, and is beneficial to popularization and use. The feeding pipe is arranged at one end of the gasification furnace main body, and the feeding pipe is communicated with the inner cavity of the gasification furnace main body; the regulation and control panel is arranged at one end of the gasification furnace main body and is used for correspondingly regulating and controlling opening and closing of the gasification furnace main body; the discharging pipe is arranged at the bottom of the gasification furnace main body, and the discharging pipe is communicated with the inner cavity of the gasification furnace main body; the mounting frame is fixedly welded at the bottom of the gasification furnace main body, and a driving motor is arranged on the mounting frame; and the connecting shaft is rotationally connected with the gasification furnace main body through a connecting ring.

The utility model relates to a cracking gasification generator and a biomass gasification furnace with the same, which belong to the technical field of gasification furnaces, the cracking gasification generator comprises an annular pipe, the annular pipe is provided with a biomass gas inlet, a high-temperature gas inlet and gas distribution holes, a heat exchange cavity and a flow mixing cavity are arranged in the annular pipe, a flow guide heat exchange channel and a heating channel are arranged in the heat exchange cavity, and the heating channel is communicated with the flow guide heat exchange channel. One end of the flow guide heat exchange channel is communicated with the biomass gas inlet, the other end of the flow guide heat exchange channel is communicated with the mixed flow cavity, one end of the heating channel is communicated with the high-temperature gas inlet, the other end of the heating channel is communicated with the mixed flow cavity, and the gas distribution holes are distributed in the cavity wall of the mixed flow cavity. And the wood tar is fully subjected to heat exchange with high-temperature gas, so that the wood tar is subjected to a thermal chemical reaction with superheated water vapor, carbon powder and other airflow carriers in a high-temperature environment, the wood tar is synchronously cracked and catalyzed in the biomass gas production process, and the wood tar content in the biomass gas is greatly reduced.

The utility model discloses a deslagging biomass gasifier which comprises a biomass gasifier body, a bottom plate is arranged below the biomass gasifier body, the periphery of the top of the bottom plate is fixedly connected with first telescopic rods, and the tops of the first telescopic rods are fixedly connected with a supporting plate. When a biomass gasifier body needs to be discharged, an operator starts a first motor to rotate to drive a positive and negative tooth threaded rod to rotate, so that two movable blocks are driven to be far away from each other, and then a connecting rod is driven to move, so that a supporting plate, a fixed plate and a collecting box move downwards; the collecting box is separated from the discharging pipe of the biomass gasification furnace body, waste residues in the discharging pipe of the biomass gasification furnace body fall into the collecting box, then an operator starts a second motor to rotate to drive a conveying rod to rotate, then the waste residues in the discharging pipe of the biomass gasification furnace body are discharged, and the device has the advantage of being convenient to discharge residues.

The invention discloses a low-temperature biomass gasifier and a dry charcoal and fuel gas coupling burning boiler technology, and belongs to the technical field of biomass gasifiers, the low-temperature biomass gasifier comprises a top plate, an upper barrel, a middle barrel, a lower barrel and a discharging barrel, the top plate, the upper barrel, the middle barrel, the lower barrel and the discharging barrel are sequentially arranged from top to bottom, every two of the five gasification furnace bodies are connected through assembly, the outer portion of the gasification furnace body is supported through a supporting unit, and a discharging unit connected through an auxiliary transition barrel is arranged at the bottom of the gasification furnace body and used for discharging. The auxiliary transition barrel has the beneficial effects that the auxiliary transition barrel is clamped with the outer part of the discharging barrel of the gasification furnace main body, so that a stable transition channel is provided for carbon residues, the carbon residues falling from the discharging barrel can smoothly enter an auger conveyor, the carbon residues are prevented from being accumulated, blocked or splashed outwards at a discharging opening, and the service life of the discharging opening is prolonged. By means of the design, the overall structure of the equipment is more compact and reasonable.

The utility model discloses a biomass gasification furnace applied to an ardealite calcination process, relates to the field of ardealite production and calcination, and aims to solve the problem that the temperature in the existing biomass gasification furnace is unstable and cannot meet the requirement of the ardealite calcination temperature. A feeding pipe is arranged in the furnace body, a pyrolysis and gasification cavity is formed in the furnace body and communicated with the feeding pipe, a movable material bed is arranged in the pyrolysis and gasification cavity, an inclined supporting frame is fixedly connected to the lower portion of the movable material bed, one end of the movable material bed is located under the feeding pipe, and a fire guide pipe is arranged on the side edge of the other end of the movable material bed; the biomass gasification furnace has the advantages that through innovation of the furnace body structure and the movable material bed, multi-parameter cooperative control and process adaptive transformation, the stability of the temperature in the biomass gasification furnace is improved, and the requirements of phosphogypsum calcination can be met.

The utility model belongs to the technical field of biomass gasification furnaces, and particularly discloses a biomass gasification furnace feeding anti-blocking device which comprises a feeding hopper, a material blocking assembly, a smashing assembly and a material scraping assembly, the material blocking assembly, the smashing assembly and the material scraping assembly are installed in the feeding hopper, and the material blocking assembly comprises two baffles hinged to the upper portion of the feeding hopper. The middle parts of the two baffles are butted to seal the upper part of the feeding hopper; the crushing assembly comprises two crushing rollers which rotate relatively, the rotating axes of the crushing rollers are parallel to the hinge axes of the baffles, and the free ends of the two baffles are located above the middles of the two crushing rollers; the scraping assembly comprises a scraping plate arranged on the side wall of the feeding hopper, the free end of the scraping plate inclines upwards and abuts against the side wall of the smashing roller, the scraping plate comprises a fixed part fixed to the side wall of the feeding hopper and a sliding part slidably connected to the fixed part, and a spring is connected between the sliding part and the side wall of the feeding hopper. By means of the scheme, the problem that in the prior art, the feeding anti-blocking effect is not ideal can be solved.

This invention discloses a biomass gasification furnace, belonging to the field of biomass gasification technology. It includes a tank body with an internal drying layer, pyrolysis layer, reduction layer, and oxidation layer, converting biomass raw materials into combustible gas through four reaction stages. The tank body contains a double-layered reaction cylinder: an outer heat-conducting cylinder and an inner permeable cylinder, with a gas storage chamber between them for collecting combustible gas. The heat-conducting cylinder has good thermal conductivity, while the permeable cylinder allows gas to pass through smoothly. High-temperature gas is injected around the heat-conducting cylinder to transfer heat to the drying, pyrolysis, and reduction layers. External heating is achieved through a heat transfer chamber in the tank body's interlayer and a spiral channel in the heat-conducting cylinder; hot gas enters the heat transfer chamber and the outlet chamber from the bottom of the tank body to heat the interior of the reaction cylinder. Internal heating is achieved through vent holes and a ventilation mesh inside the rotating rod; hot gas is transported to the drying, pyrolysis, and reduction layers to accelerate the reaction rate.

The application relates to a combustion adjusting device of a biomass gasification furnace head in the technical field of gasification furnaces, which comprises a gasification furnace body, an annular mounting block is fixedly installed at the top of the gasification furnace body, a fan-shaped telescopic fireproof plate is fixedly installed on the inner wall of the annular mounting block, supporting seats are fixedly installed at one end of the top of the fan-shaped telescopic fireproof plate, an adjusting sliding rod is fixedly installed at one end of the bottom of the fan-shaped telescopic fireproof plate, an annular clamping groove is formed in the annular mounting block, an extrusion driving assembly is installed in the annular clamping groove, a rotary adjusting ring is installed on the extrusion driving assembly, the rotary adjusting ring is rotationally sleeved on the annular mounting block, a locking assembly is installed on the rotary adjusting ring, and one end of the locking assembly is inserted into a limiting pin hole formed in the annular mounting block. The novel device can flexibly adjust the combustion range of the furnace head, is convenient to use, meets the use in different situations, can avoid the misadjustment of the combustion range of the furnace head after combustion, improves the safety in use, and is high in practicability.

The invention discloses a wind-solar biomass gasification hydrogen production system and an operation method thereof, and the biomass gasification hydrogen production system comprises a biomass gasification furnace which comprises a furnace body, and a gasification agent inlet, a biomass inlet and a converted gas outlet which are arranged on the furnace body; the dust removal and purification device is communicated with the converted gas outlet; the multi-stage catalytic tower comprises a tower body, a converted gas inlet formed in the top end of the tower body, a hydrogen-rich gas outlet formed in the bottom end of the tower body, and more than two stages of catalytic bed layers arranged from the top end of the tower body to the bottom end of the tower body; the catalyst of the first-stage catalytic bed layer is a nickel-based catalyst, and the catalyst of the second-stage catalytic bed layer is a copper or iron-based catalyst. According to the invention, the purpose of preparing high-purity hydrogen through biomass gasification is realized, and the energy conversion efficiency and the hydrogen yield are improved.

The utility model belongs to the technical field of biomass gasifiers, and particularly relates to a biomass gasifier with a spiral feeding function, which comprises a producer and a discharge pipe at the lower end of the producer, and further comprises a storage hopper and a feeding pipe at the lower end of the storage hopper, and the feeding pipe is communicated with the producer; a sealing cover and a motor on the side face of the sealing cover are detachably installed at the end, away from the generation furnace, of the feeding pipe, a rotating shaft of the motor extends into the feeding pipe, a spiral blade is fixedly connected to the outer side of the rotating shaft, and an outer protruding part is detachably connected to the outer side of the spiral blade; an inclined scraping piece extends from the side, close to the generating furnace, of the outer protruding part, a spherical protruding block is fixedly connected to the side, away from the generating furnace, of the outer protruding part, and the scraping piece and the spherical protruding block are both attached to the inner wall of the feeding pipe. In the spiral feeding process, the inner wall of the feeding pipe can be cleaned in real time, the situation that part of raw materials adhere to the inner wall and cake to cause blockage can be prevented, the cleaning mechanism can be conveniently disassembled in the long-term use period, and cleaning, overhauling, maintaining and using are convenient.

The present application relates to a kind of hydrogen metallurgy supplementary heating method and device, comprising:1) the biomass synthesis gas generated by biomass gasification furnace is stored in gas storage tank;2) biomass synthesis gas is pumped into heat exchanger by fan and is heated for the first time, and the first heating temperature is 80-200 ℃;3) the biomass synthesis gas after first heating is ignited by passing into burner and is heated for the second time, and the second heating temperature is 800-1300 ℃;4) after the biomass synthesis gas after second heating is mixed with the gas from secondary hydrogen metallurgical reactor, it is entered into primary hydrogen metallurgical reactor together, and the temperature of mixed gas entering into primary hydrogen metallurgical reactor is 700-900 ℃.The present application uses renewable resource biomass energy gasification biomass synthesis gas containing CO, H2, CH4, not only does not reduce the hydrogen content in original gas, but also increases a part of reducing gas CO, H2, and can also burn part of combustible gas to heat up, promote hydrogen metallurgical reactor reduction reaction more efficient.