972 results about "Biomass particle" patented technology

The invention discloses a vertical circular mould biomass granulator which comprises a rack, the rack is formed by welding a bottom plate and a top plate, the left side of the top end of the bottom plate of the rack is fixedly connected with a mounting seat through a column body, the top of the mounting seat is provided with a grinding disc, and the top of the mounting seat is further provided with a circular mould mechanism. The circular mold mechanism is arranged, the circular mold mechanism is composed of a plurality of circular mold pieces, the circular mold mechanism is provided with two granulation hole sets, in the production process, if the lower granulation hole set is damaged, the circular mold mechanism can be turned over through matched use of the lifting mechanism and the turnover mechanism, the granulation hole set originally located on the upper portion is turned over to the lower portion, and therefore the circular mold mechanism can be turned over. Compared with the prior art, the circular mold mechanism can be replaced without manual operation of workers, continuous production is guaranteed, if a certain circular mold part is damaged, the whole ring-shaped circular mold mechanism is replaced in a traditional mode, only the circular mold part needs to be replaced, resources are saved, and waste is avoided.

The invention discloses a gas-solid two-phase flow numerical simulation method for bidirectional coupling of non-spherical particles and a flow field, and belongs to the technical field of biomass fuel utilization, and the method comprises the following steps: constructing a flow field model in Fluent, and correspondingly setting an initial boundary condition of the flow field; setting initialization conditions of non-spherical particles in the UDF; establishing an inertial coordinate system and a particle coordinate system, and coupling the two coordinate systems; and obtaining a translational motion table / rotational motion characterization equation, determining the position and direction of the particles by solving the two equations, correcting flow field parameters by using the positions and direction of the particles, and iteratively calculating particle motion parameters to realize bidirectional coupling of the non-spherical particles and the flow field. According to the numerical simulation method, through Fluent-UDF numerical simulation, the interaction between the non-spherical particles and the flow field can be accurately simulated, the accuracy of gas-solid two-phase flow numerical simulation is guaranteed, understanding of the complex process of direct combustion coupling of biomass particles of a coal-fired boiler is deepened, and theoretical support is provided for optimization of combustor design and the combustion process.

The present invention discloses a vertical ring die biomass pellet machine, including a frame, the frame is welded by a bottom plate and a top plate, the left side of the top of the bottom plate of the frame is fixedly connected with a mounting seat through a column, a grinding disc is arranged on the top of the mounting seat, and a ring die mechanism is also installed on the top of the mounting seat. The present invention is provided with a ring die mechanism, which is composed of a plurality of ring die parts, and the ring die mechanism is provided with two groups of granulation hole groups. In production, if the granulation hole group below is damaged, the ring die mechanism can be flipped by using a lifting mechanism and a flipping mechanism, and the granulation hole group originally at the top is flipped to the bottom, and the staff does not need to manually replace the ring die mechanism, thereby ensuring the continuous production. If there is damage on a certain ring die part, the traditional method is to replace the entire ring-shaped ring die mechanism, while the present invention only needs to replace the ring die part, thereby saving resources and avoiding waste.

The invention discloses a biomass dry distillation pyrolysis device, and belongs to the field of biomass pyrolysis, the biomass dry distillation pyrolysis device comprises a shell, a cavity I formed in the shell, a cover body fixedly connected to the upper end of the shell, and an air supply fan fixedly connected to the outer surface of the shell and used for conveying oxygen into the cavity I. The interior of the cavity I is further connected with a feeding unit; the feeding unit comprises a cross-shaped plate body fixedly connected to the interior of the cavity I; according to the biomass raw material particle sorting device, the sorting of particles with different densities is realized by utilizing the force of airflow and the density difference of material particles, so that biomass raw material particles with relatively high density fall into the heat-extending dissolving-assisting blanking disc and roll downwards along the heat-extending dissolving-assisting blanking disc, and the biomass raw material particles with relatively high density are fully preheated before being pyrolyzed; the energy consumption required in the pyrolysis process is reduced, the subsequent sufficient pyrolysis treatment on the interiors of the biomass particles is facilitated, and the situation that the interiors of the biomass raw material particles with relatively high density are not sufficiently pyrolyzed is avoided.

The invention relates to the technical field of biomass particle fuel preparation, in particular to straw biomass particle fuel preparation equipment which comprises a conveying pipe, a caliber adjusting mechanism, a particle length adjusting mechanism and a particle size adjusting mechanism and further comprises an outer side mounting seat fixedly mounted at one end of the conveying pipe and a synchronous belt wheel set rotationally mounted on one side of the mounting seat. A servo steering engine is fixedly mounted at the top of the mounting base, a driving bevel gear is fixedly mounted at the output end of the servo steering engine, and a transmission assembly extending to the bottom is rotationally mounted at the bottom of the mounting base. A servo steering engine drives a driving bevel gear to adjust different particle sizes of a particle size adjusting mechanism, and meanwhile, a bevel gear ring in the particle size adjusting mechanism drives a particle length adjusting mechanism and a caliber adjusting mechanism to work cooperatively through a transmission assembly, so that the length of straw particles is controlled in a coordinated mode; therefore, the prepared straw biomass particles are ensured to reach ideal particle shapes, and synchronous adjustment of particle sizes and particle lengths in the preparation process is ensured.

The invention discloses a biomass pyrolysis gasification boiler control system and method, and relates to the technical field of biomass pyrolysis. A material distribution assembly comprises a material storage box and a slope material distribution part arranged below the material storage box, an intermittent material rotating assembly is rotationally installed in the material storage box and engaged with a vertical toothed plate, the intermittent material rotating assembly is used for transferring biomass particles to the slope material distribution part from the material storage box, and a closed material carrying assembly is arranged in a pyrolysis gasification furnace in a sliding mode. The closed material loading assembly comprises a closed lifting disc used for pushing the material distributing assembly to move, and two top sealing plates are installed on the closed lifting disc through torsional springs. According to the invention, the uniform laying and pyrolysis gasification of the next batch of biomass particles on the biomass carrying plate can be realized under the condition of keeping the pyrolysis gasification chamber isolated from external air, so that the non-accumulation type and closed feeding type pyrolysis gasification process of biomass can be realized; a large amount of heat loss caused by convection between air and the pyrolysis gasification chamber in the biomass feeding process can be effectively avoided.

A heating zone can be generated adjacent to one or more electrode portions by applying one or more electric currents to the one or more electrode portions. A temperature within the heating zone can be at least 800 K. A mixture of iron ore and one or more reducing agents can be provided within the heating zone, such that the iron ore is directly reduced to iron. In some examples, the one or more reducing agents can include biomass particles, and / or the electrode portion(s) can be formed of a carbonized biomass. In some examples, the heating zone is generated by a plasma formed between a facing pair of electrode portions. In other examples, the heating zone is generated by Joule heating of the one or more electrode portions.

The invention discloses a low-carbon energy system and method for coupling solid waste utilization of a coal-fired power plant. The system comprises a photovoltaic generator set, a wind generating set, an electric arc furnace, a biomass crusher, a biomass particle storage device, a coal-fired boiler system and the like. The method comprises the following steps of: providing electric energy for the electric arc furnace by utilizing redundant generating capacity of a photovoltaic generating set and a wind generating set; the fiber material prepared in the electric arc furnace, coal gangue and pulverized coal ash collected in the flue gas dust remover are jointly used as raw materials of the soil-like ecological restoration material, and preparation is performed in a soil-like preparation machine; energy plants which are resistant to drought and high in water and soil conservation capacity are planted under the photovoltaic generator set; the energy plants enter a biomass particle storage device to be stored after being subjected to the procedures of crushing, shaping and the like; the biomass particles are subjected to blending combustion in a coal-fired boiler system; flue gas generated after combustion of the coal-fired boiler system collects pulverized coal ash in a flue gas dust remover. The utilization rate of the coal-based solid waste is increased, and the application field of the coal-based solid waste is expanded.

The invention discloses biomass particle fuel dehydration and carbonization equipment, and relates to the technical field of biomass particle production, the biomass particle fuel dehydration and carbonization equipment comprises a cylinder, a primary screening disc is fixedly mounted at the upper part of the cylinder, a plurality of screening holes are formed in the middle of the primary screening disc, an annular slide way is formed in the inner side wall of the primary screening disc, a screen is fixedly mounted at the lower part of the cylinder, and a plurality of screening holes are formed in the primary screening disc. The bottom of the barrel is rotatably connected with a rotating shaft, the bottom of the barrel is further fixedly provided with a motor, an output shaft of the motor penetrates through the barrel and is fixedly connected with the bottom of the rotating shaft, and the upper portion of the rotating shaft is sequentially provided with a smashing assembly, a propelling assembly and a scraping assembly from top to bottom. The biomass pellet fuel can be processed into qualified biomass pellet fuel with consistent particle size.

The utility model discloses a biomass particle drying and screening device which comprises a tank body, a feeding hopper, a discharging opening, a supporting column, a circulating assembly, a screening assembly and a stirring assembly. The feeding hopper is located at the top end of the tank body, the discharging port is located on one side of the tank body, the supporting column is located at the bottom end of the tank body, the circulating assembly is located on one side of the tank body, the screening assembly is located at the top end of the tank body, and the stirring assembly is located on one side of the tank body. Compared with the prior art, the biomass energy particle screening device has the advantages that biomass energy particles can be screened, so that the biomass energy particles can be in full contact with hot air, the biomass energy particles can be circularly conveyed, the drying speed is increased, and the drying efficiency is improved.

The invention relates to a manufacturing method of a sludge-biomass fuel rod. The manufacturing method comprises the following steps: S1, sludge pretreatment: dehydrating sludge; s2, sludge crushing treatment: performing crushing treatment on the dewatered sludge to obtain sludge particles with the particle size of less than or equal to 3mm; s3, sludge and biomass are mixed, wherein the sludge particles obtained in the step S2 and biomass particles are stirred and mixed according to the mass ratio of (10-90): (90-10), and a sludge-biomass forming raw material is obtained; s4, sludge-biomass raw material extrusion forming: performing extrusion forming on the sludge-biomass forming raw material obtained in the step S3 to obtain the sludge-biomass fuel rod. Compared with the prior art, the prepared sludge-biomass fuel rod has better combustion characteristics and stability. The sludge can play a bonding role in the fuel rod forming process, a compact body structure is conveniently formed, and forming is convenient; and the biomass is beneficial to improving the combustion characteristic of the fuel rod.

The invention provides a biomass gasification system and a fluidized bed gasification process, the system comprises a fluidized bed gasification furnace, a cyclone separator and a material returning leg, the fluidized bed gasification furnace is provided with a gasification cavity and a gas chamber, and a fluidized bed formed by bed materials is arranged in the gasification cavity. Bed materials are added into the gasification furnace in a spiral feeding and pneumatic conveying combined mode, a fluidized bed is established, biomass particles are added after temperature rise, the pressure in the gasification furnace is kept to be certain, and an auxiliary gasification agent enables the biomass particles to be in a fluidized state. According to the invention, the melting characteristic of biomass ash can be effectively improved, the problem of easy slag bonding during biomass gasification is solved, the gasification temperature is effectively increased, and the methane content in the synthesis gas is reduced. The bed material can catalytically crack tar generated in the biomass gasification process, the quality of synthesis gas is optimized, the synthesis gas is prevented from being bonded and attached to the metal wall of a downstream device, the yield of the synthesis gas and the stability of the device are improved, and the heat exchange efficiency of a downstream waste heat recovery unit is enhanced.

The invention discloses a biomass-driven Stirling generator combined heat and power generation system and a control method thereof, the system comprises a fuel distribution subsystem, a heat distribution subsystem and a power generation subsystem, the fuel distribution subsystem comprises a solid biomass particle feed port, a gas preheater, liquefied petroleum gas and a first air blower; the heat distribution subsystem comprises a second air blower, a first combustion chamber, a second combustion chamber, a first waste heat recoverer, a second waste heat recoverer, a heat pipe, cooling water and a residential heat utilization system; the power generation subsystem comprises a Stirling generator, a power converter, an energy storage battery and a residential power utilization system. According to the method, cooling water and a heat source are used for controlling the output power of a generator, the cooling water flow is adjusted through cooling water temperature errors and the cooling water temperature error change rate, flow speed adjustment is configured through cooperation of a plurality of valves, the heat source is controlled by changing the mixing ratio and the supply speed of fuel, and the output power of the generator is controlled. And the power supply and heat supply requirements of the user are matched with the system output.

The invention relates to the technical field of biomass particle processing, and one embodiment of the invention provides a biomass particle processing device and method.The biomass particle processing device comprises a frame body, a motor and a granulation mechanism and further comprises a crushing mechanism, a smashing mechanism and a drying mechanism; the crushing mechanism, the crushing mechanism and the granulation mechanism are sequentially communicated from top to bottom, the crushing mechanism is used for primarily crushing biomass raw materials under the driving of a motor, and the crushing mechanism is used for further crushing the primarily crushed biomass raw materials under the driving of the motor; and the drying mechanism is used for drying the crushed, crushed and granulated biomass raw materials and comprises a heating cylinder, a heater, a gas supply assembly, a gas supply pipe I and a gas supply pipe II. According to the technical scheme, the technical problem that certain inconvenience is caused due to the fact that powdery products need to be conveyed among all working procedures during biomass particle processing in the prior art is solved.

The invention discloses a process for converting biomass particles into synthesis gas by using pressurized bubbling fluidized bed equipment. The process comprises the following steps: feeding the biomass particles and fluidizing agent particles as raw materials into a gasification furnace; the gasification furnace comprises a fluidized bed area, a secondary gasification area and a post gasification area; a plurality of layers of gasification nozzles are designed in the gasification furnace, tar generated by biomass gasification can fully react in a high-temperature area of the gasification furnace, and synthesis gas generated by the pressurized bubbling fluidized bed gasification furnace enters a cyclone separator to be separated and then enters a synthesis gas cooler to be cooled; the cooled synthesis gas enters a synthesis gas filter, and the filtered synthesis gas enters a shock cooling system; the synthesis gas filtered by the synthesis gas filter enters a quench cooler of the quench system to be fully contacted with water for cooling and then enters a washing tower for washing, and the cooled and washed synthesis gas enters a downstream area; according to the invention, biomass ash fusion is reduced; and tar is reduced and eliminated.

The utility model relates to the technical field of energy conservation and environmental protection, in particular to a biomass particle steam generator. The utility model provides a biomass particle steam generator which can shake and flatten biomass particles, avoid accumulation of the biomass particles and improve the combustion efficiency of the biomass particles. A biomass particle steam generator comprises a combustion chamber, a first motor and the like, and the left side of the lower portion of the combustion chamber is connected with the first motor. A second motor is started to drive a belt pulley to rotate, so that a flat belt rotates, then a rotating column is driven to rotate, the rotating column shifts a placing plate, the placing plate moves left and right, a spring is restored after deformation, and then biomass particles are flattened, so that the biomass particles can be flattened in a shaking manner; and accumulation of biomass particles is avoided, and the combustion efficiency of the biomass particles is improved.

The invention discloses a porous carbon particle adsorption material capable of preparing ultra-pure helium through one-step purification as well as a preparation method and application of the porous carbon particle adsorption material. The method comprises the following steps: (1) carbonizing biomass particles; (2) dipping the carbonized biomass particles in a nitrogen source-containing aqueous solution; (3) carrying out CO2 activation pore-forming and nitrogen functional group doping on the nitrogen source impregnated carbonized biomass particles obtained in the step (2) at high temperature; and (4) fully activating the nitrogen source impregnated carbonized biomass particles, performing programmed cooling, and introducing water vapor to perform secondary pore forming and oxygen functional group doping to obtain the porous carbon material. According to the method, the porous carbon particle adsorbent is prepared from natural biomass, the pore size distribution is concentrated, nitrogen and oxygen containing functional groups are rich, the adsorbent has ultrahigh adsorption and capture capacity on various impurities in the crude helium under the low-temperature condition, the impurities in the crude helium can be removed in one step, the helium is purified to reach the 6N standard, and the method is suitable for industrial production. And the application requirement of high-efficiency removal of impurities in the production process of ultra-pure helium is met.

The invention belongs to the technical field of biomass pellet fuel, particularly relates to a biomass pellet fuel rapid forming machine, and provides the following scheme aiming at the problem that part of raw material powder blocks are left in granulation holes in the prior art: the biomass pellet fuel rapid forming machine comprises a machine body, a feeding hopper is fixedly mounted in the middle of the top end of the machine body, and a controller is fixedly mounted in the middle of the outer wall of one end of the machine body; a discharge hole is formed in the bottom end of the outer wall of one end of the body. As each nozzle is perpendicular to the first forming compression roller and the second forming compression roller, airflow jetted by the first cleaning pipe rapidly impacts the circumferential outer walls of the first forming compression roller and the second forming compression roller and the interior of the forming groove, so that biomass raw material particle blocks adhered to the first forming compression roller and the second forming compression roller crack, become smaller and fall off, and the forming effect is improved. And then airflow jetted by a second cleaning pipe rapidly impacts the circumferential outer walls of the first forming compression roller and the second forming compression roller and the interior of a forming groove again, residual biomass raw material particles are washed away at high pressure, and biomass raw material residues obtained after two times of impact fall to the top end of an isolation hood.

The invention relates to the technical field of crude oil catalysis, in particular to a preparation method of a heavy oil hydrogen donor, which comprises the following steps: A, crushing biomass by a crusher, screening, and preparing the obtained biomass particles into slurry biomass; and B, conveying the slurry biomass into a steam pipeline through a conveying pump, introducing steam generated in a steam boiler into the steam pipeline, and liquefying the slurry biomass under the action of the steam to obtain the heavy oil hydrogen donor. According to the method, after biomass is liquefied through heat of steam, the generated hydrogen donor can enter the stratum along with the steam, the hydrogen donor and the thickened oil are subjected to hydrothermal cracking, in-situ modification is conducted on the thickened oil, modification and viscosity reduction are conducted on the thickened oil, and the purpose of improving the recovery rate is achieved.

The utility model discloses a biomass filter device, including support seat, shell, drive motor, roller and filtration pore, shell is fixed installation in the both sides of support seat inner wall, drive motor is fixed installation in the left side of shell, roller is fixed connection in the output end of drive motor, and the filtration pore is fixed connection in the support seat inner wall. The right side of the roller is movably connected with the right side of the inner wall of the shell through a bearing, and the filtering holes are formed in the surface of the shell. By arranging the annular scraping ring, the connecting block, the threaded block, the reciprocating assembly and the lifting assembly, the lifting assembly can effectively drive the connecting block to enable the annular scraping ring to be adjusted to the surface of the roller, then the reciprocating assembly drives the threaded block to enable the arc-shaped scraping ring to scrape and clean the surface of the roller, and the problem that the surface of the roller is scraped and cleaned when the roller is used for filtering is solved. The problems that due to lack of a cleaning structure, a part of biomass particles can be clamped into filter holes to cause blockage, and due to lack of the cleaning structure, a user difficultly cleans the particles in the filter holes are solved.

The invention discloses a high-strength and high-calorific-value biomass pellet fuel and a preparation method thereof, belongs to the technical field of environment-friendly biomass fuels, and provides a preparation method of the high-strength and high-calorific-value biomass pellet fuel, which comprises the following steps: drying and crushing herbivorous animal manure to obtain pretreated herbivorous animal manure; wood chips are dried and smashed, and pretreated wood chips are obtained; and mixing the pretreated herbivorous animal manure with the pretreated sawdust, adjusting the water content to 3-6% to obtain a premix, and granulating to obtain the biomass pellet fuel. According to the invention, organic wastes such as cattle and sheep manure and sawdust resources purchased from surrounding areas are organically combined to prepare the biomass pellet fuel, so that the dual goals of recycling and harmlessness can be achieved, and a feasible solution is provided for the development of clean energy.

The invention discloses a two-stage process for preparing powdery quality-improving fuel through biomass baking, which comprises the following steps: S1, a drying procedure: carrying out coarse crushing on biomass to form biomass particles, and screening and drying the biomass particles; s2, a low-temperature baking and powdering process: baking the dried biomass particles, and performing multi-stage fine crushing and grinding on the biomass particles in the baking process to form biomass powder; and S3, cyclic utilization of the baking gas: circularly inputting one part of the baking gas generated in the biomass particle baking process in the step S2 into the step S2 to provide heat for the baking process, and returning the other part of the baking gas to the step 1 to provide heat for the drying process. According to the technology for preparing the powdery upgrading fuel through two-section type biomass baking, powder preparation is completed while baking is conducted through the stirring unit, the baking powder preparation time is greatly saved, and compared with three-section type baking powder preparation, the production efficiency is greatly improved, and the baking efficiency is greatly improved.

The invention belongs to the technical field of granulation devices, and particularly relates to a self-drying biomass particle granulation device which comprises a bottom plate, a shell fixed to the top of the bottom plate, a transmission box fixed in the shell, a barrel fixed to the top of the shell, a discharging plate installed on the outer wall of the barrel, a motor fixed to the side of the transmission box, and a granulation disc connected to an output shaft of the transmission box. A center shaft is further arranged in the barrel, a pair of pressing rollers is rotationally connected to the center shaft, and the temperature collecting module is used for generating a temperature fluctuation coefficient through the control module; and the current acquisition module generates a current fluctuation coefficient through the control module. The extrusion temperature of the material and the working current of the motor are monitored in real time through the temperature acquisition module and the current acquisition module, the generated temperature fluctuation coefficient and the current fluctuation coefficient are comprehensively analyzed, the evaluation coefficient is generated, the evaluation coefficient is compared with a preset reference threshold value, the heating temperature and the rotating speed of the granulation disc are flexibly adjusted, and the granulation efficiency is improved. And the stability of granulation quality is ensured.

The utility model discloses a biomass particle packing device which comprises a box body, a frame body fixedly connected to the lower portion of the box body, a feeding pipe arranged on the side wall of the upper portion of the box body, a first packing part and a second packing part. The first packaging part is fixedly connected to the lower end of the box body; and the second packaging part is fixedly connected to the side wall of the conical section of the box body. The packing machine has the advantages that large bags with large specifications can be effectively packed by arranging the first packing part; by arranging the second packaging part, small bags with small specifications can be effectively packaged; the baffle sleeve can be matched with the baffle to control discharging of materials. The electric cylinder is a main power source for stretching of the baffle; the connecting piece can provide support for the electric cylinder; when the packing machine is used, one packing part can be independently used for packing according to the actual situation, and the working efficiency can be guaranteed by adopting two ways for packing at the same time.

The invention relates to a method for producing methane through biomass hydrogasification. The method comprises the following steps: S1, the water electrolysis hydrogen production device produces hydrogen and oxygen; s2, fully mixing the biomass particles with steam in a biomass hydrogenation bubbling fluidized bed reactor, and hydrogen and oxygen from a water electrolysis hydrogen production unit for reaction to generate crude synthesis gas rich in methane; s3, cooling the crude synthesis gas rich in methane in a waste heat recovery unit and producing cooled crude synthesis gas and steam; s4, removing fly ash and part of impurities from the cooled crude synthesis gas in a dust removal washing unit to obtain washed crude synthesis gas; s5, converting the washed crude synthesis gas in a carbon monoxide conversion unit to obtain converted synthesis gas; s6, removing carbon dioxide and other impurities from the converted synthesis gas in a synthesis gas purification unit to obtain purified synthesis gas; s7, separating 0-55vol% of the purified synthesis gas in a gas separation unit to generate carbon-rich gas and hydrogen-rich gas; and S8, generating methane from the residual purified synthesis gas in a methanation unit.

The utility model provides a crop straw recycling and crushing device for biomass particle production, and relates to the technical field of crop crushing, the crop straw recycling and crushing device comprises a conveying mechanism and a crushing mechanism, the conveying mechanism is arranged on the periphery of the crushing mechanism, the top of the conveying mechanism is arranged above the crushing mechanism, and the top of the crushing mechanism is arranged below the conveying mechanism. The conveying mechanism comprises a conveying belt, and a cutting-off assembly used for slitting is arranged on the conveying belt. The crushing mechanism comprises a working box, crushing rollers are arranged in the working box side by side, crushing cutters are arranged on the circular walls of the crushing rollers, crushing teeth are further arranged on the inner wall of the working box, and the crushing teeth correspond to the crushing rollers so that the crushing teeth can be meshed with the crushing cutters. The conveying mechanism and the crushing mechanism are arranged, the cutting-off assembly is arranged on the conveying mechanism, long straw is cut off through the cutting-off assembly to form short straw, the short straw is conveyed into the crushing mechanism through the conveying belt to be crushed, and therefore the probability that the long straw is wound on a crushing cutter is reduced, and the crushing efficiency is improved.

The invention discloses a granulating, conveying and air-drying integrated device which is integrated with air pressure and wind power equipment and can be used for timely and quickly air-drying and cooling formed granules extruded from a die hole, granules can be remotely conveyed through air flow energy while air-drying and cooling are performed, the breakage rate can be effectively reduced through flexible conveying of the air flow, and the production efficiency is improved. Meanwhile, fresh low-temperature airflow can cool the discharging bin, so that the discharging bin is in a low-temperature state, material forming is more facilitated, cooling and conveying are synchronously completed through the airflow, and energy consumption is effectively reduced; the equipment integrates the functions of granulation, air drying and conveying, can be adapted to feed and biomass particle production by adjusting the aperture of the flat die and the air pressure parameter, can be used for production, air drying and conveying of pellet feed and biomass particle fuel, and is extremely simple in structure, free of a complex conveying mechanism, low in failure rate, convenient and fast to maintain, easy to produce, manufacture, install and maintain and high in production efficiency. The method is suitable for large-scale popularization and has high commercial value.

Disclosed in the present invention are a steel smelting system and method based on hydrogen-rich reducing gas injection. The steel smelting system comprises a blast furnace and a hydrogen-rich reducing gas pre-production furnace; hydrogen-rich reducing gas from the hydrogen-rich reducing gas pre-production furnace and pure hydrogen are injected into the blast furnace; generated blast furnace top gas is directed into the hydrogen-rich reducing gas pre-production furnace for decarburization; the hydrogen-rich reducing gas pre-production furnace contains nut coke, biomass particles and waste plastic particles; additionally, dry coal powder and pure oxygen are also injected into the hydrogen-rich reducing gas pre-production furnace to prepare hydrogen-rich reducing gas.

The invention relates to the field of biomass particles, in particular to a biomass particle granulator and a granulation method.The biomass particle granulator comprises a cylinder with an upper end opening in an open state, a discharging opening is formed in the eccentric position of the lower end face of the cylinder, a disc body is rotationally connected into the cylinder, and a plurality of penetrating type punching holes are evenly formed in the disc body; the end part of the rotating shaft penetrates through the bottom of the cylinder and is connected with a driving motor arranged at the bottom of the cylinder; according to the biomass particle granulator, the designed lifting plate is matched with the multiple base blocks, the multiple base blocks can move up and down synchronously, the multiple feeding ports are arranged, continuous charging and punching in punching holes can be achieved, the punching and discharging processes are synchronously carried out, in other words, the charging link, the punching link and the discharging link are executed in sequence and do not interfere with one another, and the production efficiency is improved. The device has assembly line production efficiency, and ensures the granulation efficiency of biomass particles.

The utility model relates to the technical field of particle processing, in particular to a dryer for biomass particle processing, which comprises a workbench, a drying box is fixedly connected to the upper end face of the workbench, a rolling shaft is rotatably connected to the interior of the drying box, and a conveying hopper is fixedly connected to the surface of the rolling shaft. A plurality of heating rods are fixedly connected to the inner wall of the drying box, a second transmission wheel is rotatably connected to the inner wall of the workbench, two supporting plates are fixedly connected to the two symmetrical sides of the workbench, and a first transmission wheel is rotatably connected between every two supporting plates; the surfaces of the first transmission wheel and the second transmission wheel are jointly in transmission connection with a transmission belt. Particles are directly conveyed to the transmission belt, the transmission belt drives the particles to enter the drying box to be dried, the particles are turned over through the conveying hopper in the drying process, the drying effect on the particles can be improved, and the workload of workers is reduced.