627 results about "Biomass particle" patented technology

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 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.

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 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 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 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 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 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.

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.

The invention provides biomass fuel sourced from urban life manure residues and a preparation method and application thereof, and relates to the technical field of biomass fuel. The preparation method provided by the invention comprises the following steps: carrying out solid-liquid separation on municipal domestic manure residues and manure, and then turning and mixing the municipal domestic manure residues and manure with biomass particles to obtain a dried raw material with the water content of 8-12%; extruding and granulating the dried raw material to obtain the biomass fuel; wherein the biomass material of the biomass particles comprises one of saw dust and rice husk. According to the invention, the utilization efficiency of biomass energy can be effectively improved through resource utilization of urban living manure residues, and meanwhile, the water content and combustion performance can be effectively adjusted by mixing the manure with biomass particles.

The utility model discloses a biomass particle raw material processing auger conveyor which comprises a shell, a supporting column, a feeding channel, a discharging channel, a first motor and an auger, an adjusting device is arranged, a second motor drives a screw rod to rotate, the screw rod drives a movable block to move when rotating, and the movable block is driven to move when rotating. When the movable block moves, the sliding block is driven to move through the second connecting rod, when the sliding block moves, the fixed block is driven to move through the first connecting rod, when the fixed block moves, the baffle is driven to move, the baffle can move into the fixed plate, and the falling speed of raw materials can be controlled by adjusting the distance of the baffle in the feeding channel. And blockage of the auger caused by too many raw materials is prevented, normal conveying is guaranteed, and the conveying efficiency is improved.

The invention discloses a biomass double-hearth combustion furnace with a direct-flow burner and a rotational-flow burner arranged at the bottom, and relates to the technical field of combustion equipment. The problems that an existing combustion device is insufficient in adaptability to the particle size of biomass particles, and large-particle biomass is difficult to burn out completely are solved. A direct-current burner is connected with the outer wall of an inner-layer furnace and the inner wall of an outer-layer furnace through a posture adjusting assembly, a turbulent burner and an inner-layer furnace combustion chamber which are embedded inside and outside are installed at the bottom of the inner-layer furnace, a through turbulent burner is installed at the bottom of the inner-layer furnace combustion chamber, and a third smoke exhaust channel is formed in the upper portion of the inner-layer furnace. An outlet of a first smoke exhaust channel in the upper portion of the outer-layer furnace is communicated with a third smoke exhaust channel, an outlet of a second smoke exhaust channel is communicated with an inlet of a cyclone separator, an outlet in the upper end of the cyclone separator is communicated with an inlet of a turbulent burner through a combustible gas connecting pipeline, and an outlet in the lower end of the cyclone separator is communicated with a combustion chamber of the inner-layer furnace through a carbon residue channel. The biomass burner is used for achieving sufficient burning of large-particle biomass, and the burn-off rate is increased.

The utility model discloses a biomass particle granulator with a cleaning mechanism, and relates to the technical field of granulators. The utility model provides a biomass particle granulator with a cleaning mechanism. The biomass particle granulator comprises a bottom frame, the top end of the bottom frame is fixedly connected with a containing disc, the containing disc is fixedly connected with a material extruding machine, and the material extruding machine is fixedly connected with a forming die. The scrap raw materials are guided into the extruding machine, the extruding machine extrudes the raw materials through the forming die for granulation, produced biomass particles fall on the containing disc, in the initial state, the scraping plate does not make direct contact with the surface of the forming die, and the biomass particles extruded and formed by the forming die can be cut off when the scraping plate rotates; and when the surface of the forming die needs to be cleaned, the extrusion cylinder and the sliding plate are matched to control the rolling brush and the scraping plate to move inwards to make contact with the surface of the forming die, and the scraping plate and the rolling brush rotate front and back to clean the surface of the forming die.

A fluidized bed reactor for biomass treatment comprising a vessel extending in a first direction from a first end to a second end, an inlet at the first end of the vessel for feeding biomass particles into the vessel, an outlet at the second end of the vessel for outputting processed biomass, a first fluid inlet independently activatable to deliver a first volume of a gas in a second direction into a first region of the vessel, and a second fluid inlet spaced apart from the first fluid inlet in the first direction and independently activatable to deliver a second volume of the gas in the second direction into a second region of the vessel, the second region adjacent the first region.

The disclosed invention includes a method of making a carbon dioxide-removing insulating material composition and the resulting carbon dioxide-removing insulating material composition, the material composition having sufficiently low thermal conductivity, the material composition is of the carbon dioxide removal type and thus absorbs more CO2 from the atmosphere during its production and use than it emits and can permanently sequestration this CO2. This is achieved by using at least one pyrolysis step of thermally insulating biomass particles bound to a further binder or a binder contained in the material or by directly compositing the thermally insulating biomass particles after pyrolysis to produce a composition that is shaped at macroscopic and microscopic levels.

The utility model relates to a kind of self-drying type biomass granule granulating device, it is related to biomass granule technical field, it includes box, the box top is opened feed inlet, the box bottom is opened discharge gate, a set of granulating roller is rotationally arranged in the box, several granulating holes are opened in the outer lateral wall of the granulating roller, through-hole is opened in the inner wall of the granulating hole, cavity is opened in the granulating roller, the cavity is interconnected with through-hole, push rod is inserted in the through-hole, one end of the push rod is located in the granulating hole, the other end of the push rod is located in the cavity, abutment component is arranged in the cavity, the abutment component is used to exert force, which is away from the axis of the granulating roller, to the push rod, reset component is arranged in the through-hole, the reset component is used to exert force, which is towards the axis of the granulating roller, to the push rod.The present application has the effect of facilitating biomass raw materials to be made into biomass granules.

The invention belongs to the technical field of biomass granulators, particularly relates to a granulation device for biomass particle production, and aims to solve the problems that iron slag is not easy to remove, the granulation efficiency is low and heat supply is not uniform in the prior art. A slag removal mechanism for removing iron slag and a granulation mechanism for completing biomass material granulation are respectively arranged on the outer walls of the crusher and the granulator. After biomass materials are put into the pulverizer to be pulverized, iron slag can be removed as much as possible under the action of the slag removal mechanism, the slag removal difficulty is reduced, the quality of biomass particles is prevented from being affected, and the granulation equipment is well protected; the purified biomass material can be subjected to double-sided granulation under the action of the granulation mechanism, the granulation range is expanded, the granulation efficiency is improved, heat supply is uniform, and the quality of biomass particles is improved.

The utility model discloses a self-cleaning structure of a biomass particle granulator, which comprises a lower pressing block, the interior of the lower pressing block is hollow, an inserting needle for dredging a hole of a granulation plate is arranged in the lower pressing block, and the lower pressing block can descend to extrude slurry between the lower pressing block and the granulation plate, so that the slurry can be cleaned, and the self-cleaning structure of the biomass particle granulator can be used for cleaning the granulation plate. By means of the arranged inserting needles and the pushing assembly of the inserting needles, when the granulation plate needs to be cleaned, the inserting needles can be inserted into the holes of the granulation plate to dredge the holes, the situation that the holes are blocked due to the fact that slurry remains is avoided, and later use is facilitated; and the other reason is that the connecting plate and the contact pin are arranged to be hollow-out, so that after the water bag is injected with water and expands, the electronic valve is opened, water in the water bag can enter the connecting plate and the contact pin, the water is discharged through the drainage hole, and the hole and the granulation plate are washed and further cleaned.

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.