182 results about "Pellet fuel" patented technology

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 utility model relates to straw stalk smashing and particle forming equipment which comprises a first conveying unit and a second conveying unit. The smashing unit is used for receiving the straw input by the first conveying unit and smashing the straw, and a screen is arranged at the output end of the smashing unit; the suction unit is used for sucking out the crushed straw conforming to the specified particle size; the wind-material separation unit is used for receiving the wind and the straw crushed materials output by the suction unit and separating the wind and the straw crushed materials; a second conveying unit; the particle forming unit is used for receiving the crushed straw output by the second conveying unit, forming particle fuel through granulation and outputting the particle fuel; the straw combustion furnace has the advantages that the straw is crushed and granulated, so that the straw is compressed into a form with higher density, the energy density and the combustion efficiency are improved, and heat can be locked in the furnace during combustion, so that the heat value is increased, the straw recycling cost is greatly reduced, and the regeneration value is increased.

The invention belongs to the technical field of nuclear fuel preparation, aims to solve the problems of non-uniform particle distribution and high breakage rate in traditional coated particle fuel preparation, and discloses a coated particle dispersion fuel pellet and a preparation method thereof.The method comprises the steps that firstly, silicon carbide slurry is prepared, a silicon carbide base band is prepared through tape casting equipment, and then the silicon carbide base band is prepared; after tape casting, the base band enters a drying area to be partially dried, TRISO particles are arranged on the surface of the base band at set intervals, the silicon carbide base band is freely curled and formed from one end, degreasing treatment and sintering densification are conducted, and the core block is prepared through the method. Through high-precision tape casting and three-dimensional curling technologies, uniform distribution of TRISO particles in CDF is achieved, and the contact and breakage rate of fuel in the preparation process is reduced.

The present invention relates to a suspension combustion system for micro / nano particle fuels. The outlet of a high-pressure gas cylinder of the present invention is equipped with a branch pipe, and air vent valves are installed at both outlets of the branch pipe. One outlet of the branch pipe is sequentially connected to a pressure reducing valve, a flow meter, and a feeding component through a gas conduit, and the outlet of the feeding component is connected to the inlet of a combustion chamber through a pipeline; the other outlet of the branch pipe is sequentially connected to a check valve and a globe valve and then connected to the intake end of the combustion chamber, and a safety valve is arranged through a pipeline at the outlet of the combustion chamber. A pair of laser suspension objectives are symmetrically placed outside a pair of opposite optical windows of the combustion chamber, a high-speed camera and lighting equipment are symmetrically placed outside another pair of opposite optical windows of the combustion chamber, and a pair of expansion mechanisms for injecting ignition lasers are oppositely arranged at the diagonal positions of the combustion chamber. The present invention provides a suitable suspension combustion environment for the ignition of micro / nano particle fuels under different atmospheres and pressures, and collects the combustion products of the micro / nano particle fuels, facilitating subsequent research.

The utility model discloses a feeding device of a biomass particle fuel granulator, and relates to the technical field of biomass particle production auxiliary equipment. The device comprises a bottom plate, a height adjusting mechanism and a buffer supporting mechanism are arranged on the bottom plate, the height adjusting mechanism comprises an adjusting assembly, a supporting assembly and a conveying belt assembly, and the supporting assembly comprises two second hinge blocks fixedly connected to the top of the bottom plate; the conveying belt assembly comprises supporting rods hinged to the two first hinge blocks correspondingly, rolling wheels are fixedly connected to the outer walls of the two rotating shafts correspondingly, the buffering supporting mechanism comprises two buffering assemblies and a feeding assembly, and a pipeline is fixedly connected to the top of the third hinge block located on the front side. By arranging the height adjusting mechanism, the problem that the production efficiency of biomass particles is affected due to the fact that the height of the biomass particle fuel granulator is inconvenient to adjust and is difficult to flexibly adjust according to the actual requirements of the biomass particle fuel granulator is solved.

The utility model discloses a fixed-point biomass fuel feeding device for a curing barn, which comprises a feeding device, a material consumption monitoring device, a charging positioning device, a discharging device, a trolley feeding device and a controller, a feeding trolley and a driving device of the feeding trolley are arranged on the trolley track; the consumed material monitoring device is positioned on the burner stock bin; the feeding positioning device is located on the trolley track, and the feeding positioning device corresponds to the starting position of the feeding trolley and the position of the burner stock bin one to one; the discharging device automatically conducts discharging when the feeding trolley moves to a feeding point prompted by the material consumption monitoring device. The trolley feeding device is located on the starting side of the trolley track. According to the utility model, centralized automatic feeding of biomass pellet fuel can be realized, and the phenomenon of material shortage in the baking process is solved; and labor for tobacco leaf curing operation is reduced, and labor and cost reduction of tobacco leaf curing is facilitated.

The utility model provides a granular fuel stove oxygenation inner cylinder and oxygenation device, the granular fuel stove oxygenation inner cylinder comprises an inner cylinder body, both ends of the inner cylinder body are fixed with annular sealing plates, the middle part of each sealing plate is communicated with the middle part of the inner cylinder body, and the outer diameter of each sealing plate is greater than that of the inner cylinder body; the inner barrel body comprises an oxygen supplementing section and a maintaining section, a plurality of oxygen increasing holes are formed in the side wall of the oxygen supplementing section, and the side wall of the maintaining section is of a closed structure. According to the utility model, the furnace core is placed in a way that the oxygen supplementing section faces downwards or the keeping section faces downwards, so that the oxygen supplementing time of gasified fuel is controlled, the temperature field distribution of the furnace core is changed as required, the fuel consumption is reduced, and the economical efficiency and the environmental protection property of the furnace are improved. The oxygenation device of the granular fuel stove comprises an oxygenation bin outer cylinder, the oxygenation inner cylinder of the granular fuel stove is arranged in the oxygenation bin outer cylinder, and the peripheral side of the sealing plate is in contact with the inner side wall of the oxygenation bin outer cylinder.

The invention discloses a straw crushing, puffing and granulating all-in-one machine, and relates to the technical field of agricultural machinery. The all-in-one machine is mainly used for straw treatment, and integrated operation of efficient smashing, puffing and pelleting of straw can be achieved. The method can be used for field on-site forming of biomass pellet fuel, and solves the problem of difficult straw recovery, storage and transportation of farmers. The structure design is reasonable, and the straw treatment efficiency and the resource utilization rate can be effectively improved. And in the crushing link, an advanced crushing technology is adopted to ensure that the straws are uniformly crushed. And the puffing process can improve the nutritional value of the straws and improve the physical properties of the straws, so that the straws are easier to subsequently pelletize. And the granulation part can be used for preparing the treated straws into granules, so that the storage, the transportation and the use are convenient. The all-in-one machine has the advantages of being easy and convenient to operate, stable in performance, capable of saving energy, environmentally friendly and the like, and a low-cost solution and corresponding all-in-one equipment are provided for solving the problem that straw is left in farmland and difficult to recycle.

This invention belongs to the technical field of gasification carbon production equipment, specifically a biomass pellet fuel gasification device, including a gasifier, a cyclone dust collector, an electrostatic precipitator, a dry filter, and a gas storage tank connected in series; it also includes a cooling and regulating mechanism. By setting up the cooling and regulating mechanism and utilizing the periodic docking of the cleaning nozzle, return pipe, and heat exchange channel, this invention achieves the directional transport of liquid and solid impurities that hinder heat transfer efficiency in the heat exchange channel. Therefore, during the long-term carbon production process, it not only maintains a stable cooling effect on the combustible gas, facilitating the subsequent separation of tar from the combustible gas, but also re-transports the cleaned products back to the gasifier, where the steam stream provides raw materials for the reduction process, and the tar can undergo high-temperature cracking again. This results in a reduction of the proportion of waste produced from biomass pellet fuel gasification carbon production and an increase in the combustible gas recovery rate.

The invention relates to a preparation method of cow dung biomass granular fuel, and belongs to the technical field of livestock and poultry manure treatment and biomass fuel. The method specifically comprises the following steps that fresh cow dung and wood chips serve as raw materials, the fresh cow dung and the wood chips are pretreated respectively, the water content of the fresh cow dung is 20%-32%, and the water content of the wood chips is smaller than or equal to 32%; the method comprises the following steps: proportioning the pretreated cow dung and wood chips by dry weight, with the wood chip mass fraction of 0-40wt% and the water content of 20%-32%, and then mechanically stirring to obtain a uniform mixture; and extruding and forming the mixture into the cow dung biomass granular fuel at a proper feeding rate by adopting a biomass granulator. The forming rate of the obtained cow dung pellet fuel is 99.2% or above, the mechanical durability is as high as 99.3% or above, the low calorific value can reach 16 MJ / kg or above, and the water content of a finished product is small and lower than 10%. The technological process is short and easy to operate, and the cow dung pellet fuel has the advantages of no peculiar smell, moisture resistance, mildew resistance and the like.

A low-emission sintering method with stepped addition of coarse-grained fuel, the method comprising: 1) performing primary coarse screening on sintering fuel to obtain coarse-grained fuel and fine-grained fuel; 2) performing secondary fine screening on the coarse-grained fuel to obtain large-grained fuel and small-grained fuel; 3) sending the fine-grained fuel and part of the large-grained fuel to sintering batching, mixing, and granulation to obtain a sintering mixture; 4) distributing the sintering mixture and the remaining large-grained fuel onto a sintering machine trolley, and then distributing the small-grained fuel above the sintering material layer; 5) igniting and sintering the sintering material distributed onto the sintering machine trolley to obtain sinter. The present invention performs primary and secondary refined screening of sintering fuel according to particle size, implements fuel grading granulation and distribution, strengthens fuel segregation distribution by separately adding coarse-grained fuel, delays the cooling rate of the surface sinter by virtue of the slow combustion rate of the coarse-grained fuel, improves the quality of the surface sinter, and reduces the return ore rate.

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

The present invention belongs to the technical field of pelletizers and discloses a pelletizing and molding machine for producing biomass pellet fuel, comprising a pelletizer base, a connecting chamber fixedly connected to one side of the top of the pelletizer base, a molding chamber fixedly connected to the top of the connecting chamber, a feed inlet fixedly connected to the middle of the top of the molding chamber, a discharge port fixedly connected to one side of the molding chamber, and a first drive motor fixedly connected to one side of the top of the pelletizer base. The present invention activates a dual-shaft motor to drive a threaded rod to rotate, which in turn drives a threaded sleeve to move, which in turn drives a connecting shaft to move, which in turn drives a pressure roller to move, thereby adjusting the gap between the pressure roller and the ring die to adapt to the characteristics of the biomass material and improve the molding effect.

The utility model relates to the field of particle forming machines, and discloses a biomass fuel particle forming machine which comprises an upper shell, a lower shell and a lower shell, the connecting shaft is arranged in the upper shell and used for being connected with a pressing wheel; and the plurality of pressing wheels are mounted on the connecting shaft and arranged to rotate on the connecting shaft, and the pressing wheels are used for extruding the biomass fuel in the upper shell. According to the utility model, by designing the extrusion seats and the adjusting seats which are distributed in the circumferential array, the synchronous adjustment of the four pressing wheels is realized, the four pressing wheels can be ensured to keep consistent positions and angles in the adjusting process, the consistency and quality of granular fuel are improved, and a user can monitor the pressure borne by the adjusting shaft in real time through the pressure sensor; according to the biomass fuel granulator, machine parameters can be adjusted according to pressure data, more accurate pressure control is achieved, and the service life of the biomass fuel granulator can be prolonged by reducing uneven abrasion of components and reducing the production failure rate.

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

The invention relates to an intelligent granular fuel boiler system. The intelligent granular fuel boiler system comprises a boiler body, a feeding device arranged on the outer side of the boiler body, a combustion device, a smoke guide device, a pushing device, a discharging device and a control unit. The control unit drives all execution components and controls the feeding device arranged on the boiler body to feed fuel to the combustion device in the hearth for combustion according to the accurate proportion, combusted slag is pushed into the discharging device through the pushing device to be discharged, the slag is pushed into the slag collecting box, and then the slag is discharged to the outer side of the boiler through the slag discharging assembly. According to the device, automatic feeding, combustion, slag pushing and slag discharging of the boiler are achieved, unmanned operation is achieved, and the device is compact in structure, can be easily integrated into an existing boiler system and has remarkable economic benefits and environmental protection value. Through the automatic slag removal device, the heat efficiency of the boiler can be improved by 15%-20%, the manual operation and maintenance cost is greatly reduced, resource utilization of agricultural waste is promoted, and wide market application prospects are achieved.

The invention belongs to the technical field of industrial solid waste and sludge treatment, and particularly relates to a method for converting industrial solid waste and sludge into environment-friendly granular fuel, which comprises the following specific steps: conveying sludge to be treated to an air flotation machine, adding polypropylene into the air flotation machine, and separating light impurities and free moisture in the sludge through bubble adsorption; the method comprises the following steps: carrying out air flotation treatment on sludge, then pumping the sludge subjected to air flotation treatment into a filter press, and further removing moisture by utilizing high-pressure extrusion, so that the moisture content of the sludge is reduced to 20% or below, and a sludge filter cake with the moisture content reaching the standard and dense texture is formed. And in addition, harmful substances in the garbage can be effectively removed, and compared with an existing treatment method, pollution to the environment is greatly reduced.

The utility model discloses a granulator for efficiently preparing biomass pellet fuel, and relates to the field of biomass pellet fuel granulation. The granulator comprises a supporting table, a granulator body and a temporary storage box, a storage box is fixed to one end of the bottom of the supporting table, a first through opening is formed in the top of the storage box, a first drawing box, a second drawing box and a third drawing box are sequentially arranged in the storage box from top to bottom in a sliding mode, a third through opening is formed in the bottom of the temporary storage box, and the first drawing box, the second drawing box and the third drawing box are arranged in the temporary storage box in a sliding mode. According to the biomass pellet fuel temporary storage device, biomass pellet fuel obtained after granulation is completed can be conveniently and circularly stored and temporarily stored, meanwhile, the temporarily-stored biomass pellet fuel can be rapidly conveyed into the screening storage box below, the screening storage box is arranged on the upper portion of the temporary storage box, the temporary storage box is arranged on the lower portion of the temporary storage box, and the temporary storage box is arranged on the lower portion of the temporary storage box. Therefore, the granulated biomass granular fuel is distinguished step by step, and the internal excess materials and residues are screened out for backflow use.

The utility model discloses a kind of biomass pellet fuel cooking stoves, including device shell, cooking pot, feed structure, first feed tank, anti jamming structure, handle, limit plate and rotating lever: the cooking pot is connected on the device shell;Feed structure, the feed structure is set to the side of the device shell, the feed structure and the device shell are connected in communication;The feed structure includes the first feed tank connected in the outside of the device shell, anti jamming structure is provided in the first feed tank.The utility model not only installs cooking pot on device shell, simultaneously, handle, limit plate and rotating lever are set at the feed inlet of device shell, handle will drive rotating lever when using, so that limit plate rotates, limit plate when rotating, the material jammed in first feed tank will be dredged, reduce the probability that material jam occurs in first feed tank.

Fuel level sensors for hoppers of pellet grills are disclosed. An example pellet grill includes a hopper, a fuel level sensor, and a cover. The fuel level sensor includes a transmission portion configured to transmit infrared light toward pellet fuel located within a pellet fuel storage compartment of the hopper, and a detection portion configured to receive infrared light reflected from the pellet fuel. The cover includes a first lens, a second lens, and a divider. The divider is located between the first lens and the second lens. The divider has a first side and a second side located opposite the first side. Infrared light transmitted from the transmission portion toward the pellet fuel passes through the first lens on the first side of the divider. Infrared light reflected from the pellet fuel toward the detection portion passes through the second lens on the second side of the divider.

According to a traditional biomass particle fuel replacing device of the combustion furnace, a biomass particle fuel replacing structure comprises a box body, a material storage groove is formed in the top of the box body, a plurality of adjustable supporting structures and air blowing structures are arranged at the bottom of the box body, a connecting channel and a control panel which are matched with a feeding port are arranged on the box body, and a conveying auger is arranged in the connecting channel; one end of the conveying auger is connected with the connecting channel through a fixing arm, the other end of the conveying auger is connected with the driving motor, the driving motor is connected with the installation position in the box body through a fixing base, a combustion position is arranged at the end, stretching into the feeding port, of the connecting channel, and multiple sets of ventilation holes and igniters matched with the air blowing structure are arranged on the combustion position. By the adoption of the structure, flexible installation is achieved by directly adapting to a traditional combustion furnace, combustion energy is replaced by directly using biomass particle fuel, the device is more economical and environmentally friendly, the fuel is fully combusted to play a role, and the overall automation degree is high.

The granulator comprises a processing box, feeding hoppers are symmetrically arranged at the top of the processing box, electromagnets are arranged on the side walls of discharging ports of the feeding hoppers, sliding rods are connected to the side walls of the feeding hoppers in a sliding mode, baffles are fixedly arranged on one sides of the sliding rods, magnets are arranged at the lower ends of the baffles, and the electromagnets are arranged on the lower ends of the baffles. The sliding rods are sleeved with reset springs, an extrusion bin is arranged in the processing box, a first air cylinder is arranged in the extrusion bin, an extrusion plate is arranged at the output end of the first air cylinder, and an extrusion plate is arranged at the lower end of the extrusion bin. By adopting the technical scheme, the granulator for processing the biomass particle fuel can control the blanking speed of biomass particles, prevents a large amount of raw materials from entering the processing box to cause overlarge equipment load and influence on the service life of the equipment, can automatically complete the crushing and granulating work of the biomass particles, and improves the processing efficiency.

The invention discloses eucommia ulmoides-wood tar biomass pellet fuel and a preparation method thereof, and belongs to the technical field of biomass fuels, 54-86% by mass of eucommia ulmoides wood particles, 2-8% by mass of wood tar and 10-40% by mass of eucommia ulmoides wood charcoal are pressed at room temperature, and the purpose of preparing high-calorific-value pellet fuel with eucommia ulmoides wood as a base material is achieved. The prepared eucommia ulmoides-wood tar biomass fuel has a higher heat value, lower hygroscopicity and good mechanical strength during combustion, by adding the wood tar and the eucommia ulmoides wood charcoal, the physical stability of the eucommia ulmoides wood pellet fuel is remarkably improved, the high energy density of the biomass pellet fuel is ensured, and the biomass pellet fuel is suitable for industrial production. Therefore, the requirements of combustion application are met.

The invention relates to a low-temperature compression molding process for biomass particles, which belongs to the technical field of biomass energy conversion, and comprises a crusher, a screening machine, conveying equipment, an intermediate bin, a low-temperature precise drying module, a low-temperature compression molding main machine and a cooling, screening and packaging module which are connected in sequence. According to the method, under the accurately-controlled low-temperature condition, static ultrahigh pressure far exceeding that of a traditional method is applied to the biomass raw material through hydraulic driving, so that raw material particles are subjected to plastic deformation, crushing and tight meshing, and the raw material particles are combined and formed mainly through intermolecular Van der Waals force, hydrogen bonds and other physical acting forces instead of depending on high-temperature molten lignin bonding; the problems of high energy consumption, serious mold abrasion, limited product quality and limited raw material adaptability of a traditional biomass pellet fuel preparation process are solved.

The utility model relates to packing device technical field discloses a kind of packing devices for biomass pellet fuel, including L-shaped pedestal, the side of L-shaped pedestal top is equipped with rectangular hole, and the both ends between rectangular hole are fixedly connected with slide bar, and the same moving plate is slidably sleeved on the circumferential surface of two slide bars, and the both ends of moving plate are fixedly sleeved with the slide sleeve compatible with slide bar, and the both sides of moving plate top are provided with support mechanism, and support mechanism includes the rectangular vertical frame of fixed connection in the moving plate top, and the same guide rod is fixedly connected between the top and bottom of rectangular vertical frame, and the slider is slidably sleeved on guide rod, and the side of slider close to L-shaped pedestal middle part is fixedly connected with U-shaped rod, and the both ends of the both sides of U-shaped rod are fixedly connected in hook.The utility model, realized without manual support nylon bag, alleviate manpower burden, optimize work flow, greatly improve work efficiency.

The utility model discloses an automatic feeding device based on biomass pellet fuel production, which belongs to the technical field of biomass pellet fuel production and comprises a raw material crushing box, a crushing motor is fixedly mounted at the top end of the raw material crushing box, a feeding port is arranged at the upper end of one side of the raw material crushing box, and a feeding table is fixedly mounted on the inner wall of the bottom end of the feeding port. One side of the feeding table is a horizontal section, and the other side of the feeding table is an inclined section. According to the utility model, the plurality of compression rollers of which the diameters are increased in sequence are arranged in the first U-shaped cover, and the plurality of compression rollers rotate simultaneously after the first motor is started, so that raw materials such as straws and branches with different thicknesses are ground and then guided into the raw material crushing box along the inclined section of the feeding table; and a second motor is started, so that a driving gear can drive two driven gears to rotate, two first cutting blades and a second cutting blade are used for cutting raw materials such as crushed straws and branches, and the raw materials are firstly crushed or crushed and then are cut into multiple sections to be guided into a raw material crushing box.

The utility model is suitable for the technical field of biomass fuel processing, provides a kind of biomass granular fuel production and processing equipment, including support seat, for supporting installation to processing component and sorting component, processing component is used to process biomass granular fuel, processing component includes processing shell, fixed mounting is in support seat, processing motor, fixed mounting is in processing shell, the output shaft of processing motor is connected with processing shaft through transmission mechanism, processing shaft is rotatably matched with processing shell, by the setting of processing component, to realize when biomass granular fuel is produced, the size of biomass granular fuel production can be adjusted at any time according to the demand of granular fuel use, the production of biomass granular fuel is more flexible, by optimizing production process, not only the efficiency of production process is improved, but also production cost can be greatly reduced, and equipment investment cost is reduced, space and energy consumption are saved.

This invention relates to the field of biomass pellet fuel transportation technology, and discloses a method and system for optimizing biomass pellet fuel transportation routes. By introducing mechanisms such as real-time data perception, quality risk quantitative assessment, dynamic task rescheduling, and multi-objective optimization, it can effectively cope with uncertainties in the transportation process, ensure the transportation quality and timeliness of biomass pellet fuel, significantly improve logistics efficiency, and reduce operational risks.

A tritium-compatible pellet gas gun for a deuterium-tritium (D-T) pellet fueling apparatus is provided. In one aspect, the tritium-compatible pellet gas gun includes a pellet sizer assembly that provides in situ adjustment of pellet length during injector operation. The pellet sizer assembly includes a guillotine slide that is actuated by a pusher tube, the guillotine slide being operable to restrict the orifice of the extruder nozzle to reduce pellet length with fine resolution. The tritium-compatible pellet gas gun also includes dual flexible metal bellows seals that maintain hermetic separation between the D-T fuel region, a guard vacuum, and the ambient environment, while still permitting linear motion. This configuration allows the pellet length to be reduced by up to 50% without venting or warming the D-T pellet fueling apparatus.

The utility model discloses a biomass pellet fuel smashing device which comprises a machine frame, a smashing mechanism is arranged on the top of the machine frame, a screening mechanism is arranged on the inner wall of the machine frame, the screening mechanism comprises a mounting support, a fastening bolt, a rubber pad, a connecting plate, a vibrating screen and a partition plate, and a cleaning mechanism is arranged at the bottom of the machine frame. A driving mechanism is arranged on the outer side of the rack, a conveying mechanism is arranged on the side, close to the driving mechanism, of the rack, and a discharging mechanism is arranged at the bottom of the screening mechanism. The screening mechanism is arranged, raw materials are screened through the vibrating screen, the raw materials with unqualified granularity are filtered to the vibrating screen, a partition plate is driven by the driving mechanism to move upwards, the raw materials are blown into the conveying mechanism through the cleaning mechanism, and the raw materials are conveyed into the crushing mechanism through the conveying mechanism. And secondary crushing treatment of the raw materials is achieved, the qualified rate of raw material particles discharged out of the device is guaranteed, and the processing quality of biomass particle fuel is improved.