287 results about "Fuel storage" patented technology

Disclosed are an apparatus for a simulation test of diesel engine fuel spray in an alpine environment and a test method, the apparatus comprising a fuel storage and pretreatment device, a fuel injection system, an optical visualization system, an environment chamber, and a spray pretreatment system. In alpine environmental conditions, the apparatus can achieve high-pressure injection of liquid, separate injected atomized mist into fine droplets and impinge same on a wall surface by means of a multi-droplet generation apparatus and a wall surface apparatus, and observe and record the whole process by means of an optical visualization path. According to the present invention, the problem of difficulty in distinguishing droplets due to the coalescence of spray into a sheet is avoided, the costs of a traditional spray and droplet test solution can be significantly reduced, and the problem of a high level of dependence on a control program in a constant volume vessel solution is solved. According to the present invention, simulation of spray test in an alpine environment is possible, and the test apparatus has a simple structure. Moreover, it is possible to conduct regular research on free spray, multi-droplet wall impingement, spray wall impingement, and development characteristics thereof under conditions such as different altitudes and different temperatures.

The present invention relates to a fuel processing system and a ship comprising the same, comprising: a fuel supply unit for supplying fuel discharged from a fuel storage tank to a demand site; a fuel recovery unit that recovers the remaining fuel returned from the demand location; and a fuel processing unit for collecting the fuel output from the fuel supply unit or the fuel recovery unit, the fuel processing unit including a plurality of absorption tanks for generating waste water by collecting the fuel with water, the fuel output from the fuel supply unit or the fuel recovery unit sequentially passes through the plurality of absorption tanks and is dissolved in water stored in the absorption tanks, thereby converting the fuel into waste water.

Techniques for supplying power to an electrical load include electrically coupling a power supply system to an electrical load. The power supply system includes a chemical energy sub-system including a fuel cell and a fuel storage assembly that stores a fuel, where the fuel cell is configured to generate a first electrical energy output at a first power output; an electrochemical energy sub-system including an energy storage device configured to generate a second electrical energy output at a second power output; and a power control unit electrically coupled to the chemical energy sub-system and the electrochemical energy sub-system and electrically coupled to the electrical load. The method includes operating the power control unit to provide the first electrical energy output or the second electrical energy output to the electrical load.

The invention provides a thermal power plant coal fuel intelligent co-combustion optimization system, and relates to the field of coal fuel co-combustion, and the system comprises a coal fuel detection module which is used for detecting coal quality characteristic parameters of coal fuel; the coal fuel storage bin group module comprises a plurality of independent coal fuel storage bins, and each coal fuel storage bin is provided with a weighing sensor and a discharging flow adjusting valve; the intelligent coal blending module is used for generating an optimal coal blending scheme through a multi-objective optimization algorithm on the basis of detection data of the coal fuel detection module and in combination with a boiler combustion characteristic database; the coal blending control module is used for adjusting discharging flow adjusting valves of all the coal fuel storage bins according to the optimal coal blending scheme, and accurate coal blending is achieved; and the correction module is used for collecting coal fuel combustion state data and feeding back the data to the intelligent coal blending module for scheme dynamic correction. A multi-objective optimization algorithm is adopted to replace artificial experience decision, combustion efficiency, pollutant discharge and equipment operation and maintenance cost are optimized synchronously, and a coal blending scheme is optimized dynamically and iteratively.

The invention provides a protective coating for a fuel storage and transportation cabin and a preparation method thereof, the protective coating comprises a primer layer, and the primer layer comprises a component A and a component B, the component A is prepared from the following raw materials in parts by weight: 20 to 40 parts of phosphorylated-sulfur heterocyclic modified epoxy resin, 0.1 to 1 part of dispersing agent, 0.1 to 1 part of flatting agent, 0.1 to 1 part of defoaming agent, 0 to 10 parts of n-butyl alcohol, 0 to 10 parts of xylene, 10 to 15 parts of zinc phosphate, 0.5 to 1.0 part of thixotropic agent, 10 to 15 parts of flaky filler, 20 to 35 parts of talcum powder, 5 to 10 parts of barite powder and 3 to 10 parts of titanium dioxide; the component B is prepared from the following raw materials in parts by weight: 99 to 100 parts of amino resin and 0.3 to 0.8 part of a catalyst. Phosphorylation-sulfur heterocycle is utilized to modify epoxy resin, a phosphating group (P-O-C) is generated, the lipophobicity is increased, an intrinsic anti-swelling network is constructed based on a sulfur / phosphorus atom covalent bonding epoxy skeleton, and by utilizing the three-dimensional shielding effect of phosphorus atoms and the high-density cross-linking characteristic of thioether bonds, the anti-swelling performance of the epoxy resin is improved. Fuel oil permeation channels are blocked from the molecular level, pollutant dissolution is inhibited, and it is ensured that the coating has good soaking resistance to fuel oil.

The invention discloses a heat insulation tank for LNG fuel storage of a super-large box ship and a working method of the heat insulation tank, and relates to the technical field of LNG fuel storage tanks, the heat insulation tank comprises a tank body, the wall body of the tank body is composed of an inner tank layer, a heat insulation interlayer and an outer tank layer, and an emergency pressure relief mechanism is arranged on one side of the upper end face of the tank body; an air pressure sensor is arranged on one side of the upper end face of the emergency pressure relief mechanism, a graded pressure relief device communicated with an inner cavity of the tank body is arranged on the other side of the upper end face of the emergency pressure relief mechanism, three pressure relief cavities are formed in the graded pressure relief device, and an elastic sealing supporting assembly is arranged in each pressure relief cavity. The other side of the upper end face of the tank body is provided with a boil-off gas recycling mechanism, the upper end face of the boil-off gas recycling mechanism is fixedly provided with a pressurizing and cooling device, and the outlet end of the pressurizing and cooling device is provided with a recycled gas discharging pipe; the problems that an LNG fuel storage tank occupies a large effective load space of a ship, the heat insulation efficiency is low, and the evaporation rate is high are solved.

The invention discloses an integrated charging method, system and equipment based on methanol fuel power generation, and belongs to the technical field of new energy automobile charging facilities. According to the scheme, the control system, the fuel storage and supply module, the methanol power generation module, the energy storage buffer module, the 40KW direct current quick charging module, the energy management unit, the mute box body and the like are highly integrated, so that the emergency quick charging service independent of a power grid is realized. The core innovation lies in that the energy management unit is adopted to dynamically coordinate power generation and charging requirements, comprehensive mute design and comprehensive safety protection are combined, and the problems that an existing fast charging station depends on a power grid, a traditional standby power supply is large in noise and high in pollution, hydrogen fuel facility cost is high, and the system integration degree is low are solved. The system has the advantages of being clean, efficient, low in noise and rapid in deployment, and the electric vehicle charging requirements of remote areas, weak power grid areas and emergency scenes can be met.

The utility model discloses a lighter similar to a diesel engine, which comprises a protective shell, decorating parts are arranged on the front surface, the rear surface and the right surface of the protective shell, a bearing is fixedly connected to the surface of the decorating part on the rear surface of the protective shell, a gyro wheel is rotatably connected to the surface of the bearing, and a fire outlet pipe is fixedly connected to the left surface of the protective shell. A fire behavior limiting cover and a shell sealing cover are arranged at the upper end of the fire outlet pipe and the upper end of the protective shell correspondingly, a button is arranged on the surface of the shell sealing cover, a fuel storage box and an electric igniter are arranged in the protective shell, a valve is arranged on the right surface of the fuel storage box, and a right-angle guide pipe is arranged in the valve. The output end of the electric igniter and the surface of the right-angle guide pipe are provided with a power line and a rubber sleeve correspondingly, and the upper surface of the valve is rotationally connected with a winding rod. By means of the structure, the compactness of internal components of the lighter is improved, and a user can conveniently replace a power line of a fire outlet area.

The application provides a solar energy driven integrated system for onboard ammonia decomposition hydrogen production and BOG recovery, which comprises a power supply device, an ammonia fuel storage unit, a BOG recovery unit, an ammonia decomposition unit and a fuel cell unit; the power supply device comprises a dish type concentrating system (1); the dish type concentrating system distributes its concentrated light energy to a first light output end communicated with a Stirling generator (3) and a second light output end communicated with a trough type solar energy collector (2); when the integrated system works, the Stirling generator is driven by input light energy to supply power to the ammonia fuel storage unit, the BOG recovery unit, the ammonia decomposition unit or the fuel cell unit, and the trough type solar energy collector supplies heat to an ammonia decomposition reactor (17) of the ammonia decomposition unit; the application produces clean hydrogen by recovering BOG (boil-off gas) in the ammonia transportation process, and can also meet the power and heat demand by integrating the solar energy infrastructure on the energy transportation ship and the fuel cell cooperation.

The invention relates to a fuel storage device, comprising: a storage barrel comprising a barrel body, a barrel cover and a partition plate; the containing pipe extends downwards from the partition plate to the fuel containing space, a plurality of liquid level detection holes arranged at intervals in the height direction are formed in the pipe wall, and a flow guide hole is formed in the height position close to the lower surface of the partition plate. One end of the fuel output pipe penetrates through the barrel wall of the barrel body at the height lower than that of the flow guide hole of the containing pipe to form a fuel output end, and the other end of the fuel output pipe extends downwards to the bottom position of the fuel containing space; the plurality of liquid level sensors are arranged in the accommodating pipe; and the control device comprises a sensing information processing unit and a cloud transmission unit, and the liquid level sensing information of the liquid fuel is obtained through the plurality of liquid level sensors and is transmitted to a cloud device.

The utility model discloses an automobile fuel tank capable of storing a spare tire, which comprises a mounting rack main body, a spare tire fixing lug is arranged at the center of the mounting rack main body, fuel tanks are arranged on the side parts of the two sides of the mounting rack main body, the mounting rack main body is also provided with a fuel outlet and an exhaust port, and mounting plates are symmetrically arranged on the two sides of the mounting rack main body. And a plurality of groups of bolt fixing holes are formed in the central positions of the front ends of the mounting plate and the mounting rack main body. The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile fuel tank capable of accommodating a spare tire, which innovatively utilizes the idle space around the spare tire to realize the installation of an auxiliary fuel tank, and increases the fuel storage space on the premise of not changing the original layout of an automobile and the position of the spare tire. Compared with a traditional mode that the spare tire needs to be removed and the auxiliary fuel tank needs to be installed, the space utilization efficiency of the vehicle is greatly improved, and the original emergency guarantee capacity of the vehicle is kept.

A fuel generator and a method for generating fuel are disclosed in which a monolithic block includes a plurality of plates stacked and bonded together to form a plurality of reaction regions. A first input port and a second input port are disposed on the monolithic block. The first input port is coupled to a source of hydrogen gas and the second input port is coupled to a source of carbon dioxide or syngas. An output port is disposed on the monolithic block and is coupled to a fuel reservoir. A first subset of the plurality of plates is bonded together to form a first reaction region, a second subset of the plurality of plates is bonded together to form a second reaction region, and a third subset of the plurality of plates is bonded together to from a channel that fluidically connects the first and the second reaction regions.

This invention provides an automotive power unit. A transverse baffle assembly within the fuel tank divides the fuel storage chamber into one or more first partitioned cavities along the height of the fuel tank shell. The size of each first partitioned cavity is smaller than the size of the fuel storage chamber. A longitudinal baffle, along the length of the fuel tank shell, divides the first partitioned cavities into one or more second partitioned cavities. The size of each second partitioned cavity is smaller than the size of the first partitioned cavity, thus reducing the space for gasoline movement. Simultaneously, longitudinal through-holes allow communication between different second partitioned cavities, enabling gasoline to flow between adjacent second partitioned cavities. When gasoline sloshes, it flows from one second partitioned cavity into another, reducing air bubbles generated by the impact between the gasoline and the longitudinal baffle. The flow guiding assembly provides downforce to the vehicle while simultaneously dissipating heat from the cooling system.

The embodiment of the utility model provides an extended-range electric ship, and relates to the technical field of electric ships. The extended-range electric ship comprises a ship body and a power module. The ship body comprises a bow, a bearing cabin and a stern which are sequentially arranged in the length direction of the ship body, an outboard outboard engine is arranged at the end, away from the bow, of the stern, the power module is arranged at the stern and comprises a power battery assembly, a fuel storage assembly and a fuel power generation assembly, and the fuel power generation assembly is connected with the fuel storage assembly. The fuel power generation assembly is used for supplying power to the power battery assembly. Under the condition that the power battery assembly has the same battery capacity, the fuel storage assembly and the fuel power generation assembly can improve the cruising ability of ship driving. The power modules are all arranged at the stern, the integration level of the power modules is improved, and when the fuel power generation assembly charges the power battery assembly, a short conveying cable can be arranged, so that the loss of electric quantity during charging is reduced, and the cruising ability of the ship during running is further improved.

Disclosed herein is an aircraft with engines positioned so as to avoid damage to other components of the aircraft. The aircraft may include a blended wing body aircraft. The engines may be positioned aft of a pressure vessel of the aircraft. The engines may be positioned aft of and / or above a fuel store of the aircraft. Such engine positioning may reduce the likelihood of damage to a pressure vessel and / or fuel store in the event of engine failure.

The invention relates to the technical field of fuel consumption prediction, and discloses an intelligent fuel consumption prediction method and system based on big data, and the method comprises the steps: collecting a plurality of fuel consumption historical quantities of a fuel storage device, and obtaining a first fuel consumption historical quantity sequence, a second fuel consumption historical quantity sequence and a third fuel consumption historical quantity sequence; calculating a deficient fuel consumption factor based on the fluctuation change of the first fuel consumption historical amount sequence, and calculating an excess fuel consumption factor based on the fluctuation change of the third fuel consumption historical amount sequence; calculating a historical fuel consumption change metric value of the fuel storage device according to the deficient fuel consumption factor and the excess fuel consumption factor; the current planned fuel consumption amount is adjusted according to the historical fuel consumption change metric value, the predicted fuel consumption amount of the fuel storage equipment is obtained, the fuel consumption fluctuation characteristics are accurately quantified, the current planned amount is dynamically adjusted on the basis, and the prediction precision and prediction comprehensiveness of the fuel consumption amount are guaranteed.

A control system and a method for controlling a hydrogen-fueled vehicle including a fuel storage container for storing hydrogen fuel to be supplied to a power system and a cooling system for cooling at least the fuel storage container. The method includes obtaining an indication indicating that the fuel storage container is to be refilled with hydrogen fuel at a refueling station at a future time point, determine a predicted state of the container at the future time point, determine a target state of the container for refilling the fuel storage container with the hydrogen fuel, and, responsive to determining that the container will not reach the target state when the vehicle is operated under at least one current and / or predicted operating condition, instruct at least portions of the vehicle to operate at least one modified operating condition such that the fuel storage container assumes the target state.

Aspects relate to blended wing body tankers and methods of use. An exemplary blended wing body tanker includes a blended wing body, a first fuel store located within the blended wing body and configured to store a first fuel, a fuel offloading system operatively connected to the first fuel store and configured to offload the first fuel to another aircraft in flight, a second fuel store located within the blended wing body and configured to store a second fuel different from the first fuel, and a propulsion system powered by the second fuel and configured to propel the blended wing body.

The application discloses a mobile aircraft real fire training fuel supply system, which comprises a movable chassis assembly, a support fixing frame assembly, a tank fixing device, a protective door, a fuel storage tank, a parallel gas pipe assembly, a gas control box, a buffer pad, a right-angle vertical plate and a locking plate with holes, and the support fixing frame assembly is fixedly installed above the movable chassis assembly. Through the arrangement of the movable chassis assembly, the mobile aircraft real fire training fuel supply system has the effects that the system is movable, has high adaptability and does not forcibly occupy a site. Through the cooperation of the support fixing frame assembly and the tank fixing device, the mobile aircraft real fire training fuel supply system has the effect that different specifications and sizes of fuel storage tanks can be conveniently fixed. Through the cooperation of the movable chassis assembly and the support fixing frame assembly, the mobile aircraft real fire training fuel supply system has the effects that the control components are not easily damaged by external force and are convenient to operate.

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

The utility model discloses a low-permeability plastic fuel tank assembly, which relates to the technical field of fuel tanks, and comprises a fuel tank shell, one side of the top of the fuel tank shell is fixedly communicated with a fuel port, the low-permeability plastic fuel tank assembly can prevent fuel from permeating through the barrier property of ethylene-vinyl alcohol copolymer, and the safety of fuel storage is improved. Meanwhile, fuel oil loss is reduced, the protection layer further enhances the anti-permeation effect, the fuel oil tank structure is protected under the external force impact or severe environment, the high-density polyethylene base layer is prevented from being damaged, the supporting shell improves the impact resistance of the fuel oil tank in the transportation and use process through stable external supporting, and through reasonable stress dispersion, the service life of the fuel oil tank is prolonged. In addition, due to the elastic supporting effect of the spring, it is ensured that the supporting shell is tightly attached to the fuel tank shell, better attaching performance and buffering performance are provided, impact of external force is effectively relieved, the safety of the fuel tank is further improved, and the service life of the fuel tank is further prolonged.

An aircraft propulsion system includes a cryogenic fuel system and a fuel flow path where a fuel flow is circulated from upstream in a direction downstream to a combustor of the core engine. A first heat exchanger inputs heat into the fuel flow downstream of the first heat exchanger is used to heat the fuel flow from the fuel storage tank and a second heat exchanger inputs thermal energy from a heat source into the fuel flow from the core engine downstream of the first heat exchanger. A turboexpander is configured to generate shaft power from expansion of the fuel flow exhausted downstream from at least one of the first heat exchanger and the second heat exchanger.

The invention relates to a fuel injector for an internal combustion engine, which is designed to supply fuel to a combustion chamber of a cylinder of the internal combustion engine, comprising: a first nozzle needle movably guided in a first needle guide, a first nozzle needle interacting with the first fuel injection orifice in such a manner that the first nozzle needle opens or blocks a fuel flow of the first fuel through the first fuel injection orifice depending on its position; a second nozzle needle movably guided in a second needle guide, which interacts with the second fuel injection orifice in such a manner that the second nozzle needle opens or blocks a fuel flow of the second fuel through the second fuel injection orifice depending on its position; the first solenoid valve and the second solenoid valve are integrated in the fuel injector and are used for controlling the first nozzle needle and the second nozzle needle; the first and second solenoid valves are integrated in the fuel injector in such a way that they are each arranged between a nozzle needle of the fuel injector and the at least one fuel storage space in the longitudinal or axial direction of the fuel injector.

The utility model relates to the technical field of biological energy sources, discloses a storage device for biomass fuel production, and solves the problems that in the biomass fuel storage process, bad gas is accumulated due to non-uniform gas transmission and non-smooth gas exhaust, and internal moisture, caking and the like are caused due to lack of an effective material stirring means. Through the gas conveying and exhausting structures, uniform gas conveying and intermittent gas exhausting are achieved, accumulation of bad gas is effectively avoided, and the moisture phenomenon is prevented; meanwhile, the device is ingeniously provided with an outer cylinder, an inner cylinder, a driving part, a material stirring mechanism and other core components, stable rotation of the inner cylinder is achieved by means of cooperative operation of a driving motor driving gear and a fluted disc, and meanwhile the material stirring mechanism continuously stirs to prevent fuel from caking; the air holes in the exhaust pipe and the inner cylinder are used for ensuring that air is exhausted in time and circulates according to needs, air pressure balance is maintained, the storage condition of biomass fuel is optimized, and high efficiency and stability of fuel storage are powerfully guaranteed.

A metal fuel flow battery management system includes a scattering module configured to receive an air and a fuel; a cell module producing an oxidation reaction between the cell module and the fuel flowing into the cell module to output discharge; a first fuel storage module configured to receive a liquid from the cell module and reduce an oxidized fuel in the liquid from the cell module by charging; a second fuel storage module configured to receive a liquid from the first fuel storage module and deliver the liquid to the scattering module; a plurality of connection channels, and a controller controlling a discharge power of the cell module by controlling flow rates of the air and the fuel. The fuel is sequentially circulated between the scattering module, the cell module, the first fuel storage module, and the second fuel storage module.

A vertical take-off and landing (VTOL) aircraft is disclosed, including a fuselage having an elevated front section configured to accommodate antennas for obstruction- free communication and a rear section configured to hold an engine, fuel storage, battery, and payload with easy and ergonomic access for loading, unloading, and maintenance A pair of wings extends laterally from fuselage to generate lift during flight, while a pair of canards are positioned forward of the wings to improve stability. The fuselage, the wings and canards are shaped to provide a significant nose-up pitching moment, enabling longitudinal stability at positive angles of attack. A pair of booms interconnect fuselage, wings, and canards to form an interconnected box-like structure that uniformly distributes loads across the aircraft. The aircraft includes VTOL rotors for vertical thrust, concealed landing gears for reduced air drag, and a cowling system with air inlets and outlets that provide efficient engine cooling.

The utility model discloses a zinc oxide production rotary kiln capable of uniformly blanking, which comprises a machine body shell, a discharge port arranged on the right side of the machine body shell, a fuel inlet arranged in the middle of the machine body shell, a fuel storage tank arranged on the upper side of the fuel inlet, a flame projector arranged on the upper side of the fuel storage tank, and a discharge port arranged on the lower side of the flame projector, and a fire spraying opening is formed in the outer side of the fire spraying device, and a first mounting frame is arranged at the lower end of the fire spraying opening. According to the zinc oxide production rotary kiln capable of achieving uniform discharging, raw materials can be conveniently and uniformly poured into the device in the using process, so that the raw materials are not prone to accumulation after entering the device, the situation that the raw materials affect the oxidation treatment efficiency of the device is avoided, and the machining efficiency of the device is improved; and meanwhile, raw materials and a reducing agent can be conveniently stirred in the using process of the device, so that the raw materials and the reducing agent are easily and fully contacted and oxidized in the device, the processing quality of the device is improved, and a better using effect is achieved.

A device for use in cleaning fuel tanks that are used for fuel storage, while simultaneously preventing an electrical charge or spark from being created while in the process of cleaning. An apparatus that is manufactured with an anti-static additive or agent to reduce the accumulation of static electricity in order to safely extract and remove particulates and impurities from a fuel tank.

The application discloses a flux-cored wire for high manganese steel independent of nickel powder and a preparation method thereof, and belongs to the technical field of the flux-cored wire.The flux-cored wire comprises a stainless steel strip and a core powder filled in the stainless steel strip, and the core powder comprises the following components in percentage by mass: 35%-45% of manganese powder, 1%-2% of aluminum-magnesium alloy powder, 0.5%-1.75% of niobium powder, 0.5%-1% of cerium oxide, 2%-4% of calcium fluoride, 1%-2% of cryolite, 1.5%-3% of magnesium carbonate, 1%-2.5% of silicon-calcium-barium composite agent, 25%-35% of manganese nitride, 1%-2% of graphite, and the balance of iron powder; and the content of Ni in the stainless steel strip is 8%-11%. The application effectively solves the technical problem that the weld strength and toughness of the conventional stainless steel wire are difficult to be considered in a deep cold environment, realizes the stabilization of the weld structure in the deep cold environment, and provides an effective solution for welding liquefied natural gas equipment, aerospace fuel storage tanks and other extreme environment structures.

The utility model relates to the technical field of biomass fuel storage, and discloses an anti-arching device of a biomass fuel storage bin, which comprises an outer cylinder, a plurality of groups of support components are fixedly connected in the outer cylinder, one end of each support component is fixedly connected with an inner cylinder, a plurality of groups of support hoppers are sleeved in the inner cylinder, and the support hoppers are fixedly connected with the outer cylinder. One side of the inner cylinder communicates with a connecting assembly, one end of the connecting assembly communicates with a heating box, the back face of the heating box communicates with an air blower, the top of the outer cylinder is fixedly connected with a top cover, and the bottom of the top cover is fixedly connected with a stirring rod. According to the anti-arching device of the biomass fuel storage bin, through the arrangement of the connecting assembly, the heating box and the air blower, the effect of drying the surface of fuel is achieved, meanwhile, the inner barrel is separated through the supporting hopper, then multi-layer drying is achieved, the temperature in the bin is kept stable, arching of the fuel caused by too heavy moisture is reduced, and the dryness of the fuel is improved.