40results about How to "Realize gas supply" patented technology

The invention relates to an electromechanical ACBS (Anti-lock Central Braking System) retarder control device and its control method, which mainly includes air circuit control and electronic control, and the air circuit is equipped with a PCV regulating valve (16) on the original air brake circuit. The normally closed solenoid valve (19) acts as a control valve to control the air pressure of the retarder air chamber, and uses the parking air reservoir to complete the retarder air supply without affecting the original braking performance of the vehicle. The retarder is cooled by circulating cooling water, and the cooling water is recycled by the electric water pump (25). The central retarder control system can judge the driver's operation, prevent misoperation, and realize the real-time monitoring of speed, temperature and pressure, retarder brake anti-lock, CAN bus communication, display and alarm and other functions. The control of the PCV regulating valve (16) and the normally closed solenoid valve (19) is realized through the high-power drive module, and the ECU of the control circuit adopts ISP programming method, power management, hardware watchdog and other methods to ensure better stability of the controller sex.

The invention relates to an updip entrance double-layer tubular slug flow catcher, and relates to a slug flow catcher, aiming to solve the problems of large floor space, large liquid carrying amount in gas, no gas phase fog catching function and unable catchment of large volume liquid stopper of a multi-branch pipe catcher at an entrance of a separator for the existing single layer finger-type tubular slug flow catcher. Two upper-layer pipe sections and two lower-layer pipe sections are all horizontally arranged in parallel; the head end of each upper-layer pipe section is communicated with the tail end of an updip pipe section; the head end of the updip pipe section is communicated with an inlet pipe; the tail end of each upper-layer pipe section is communicated with the tail part of each lower-layer pipe section; the tail end of each lower layer pipe section is communicated with a liquid collecting pipe; two gas collecting pipes are horizontally arranged in parallel; the head end of the gas collecting pipe is communicated with the tail of the updip pipe section; the tail end of the gas collecting pipe is communicated with a bidirectional inlet fog catching device; the gas collecting pipe is communicated with the upper pipe section through a gas guide pipe; the upper-layer pipe sections are communicated with the lower-layer pipe sections through communicating pipes; the updip pipe section is communicated with the lower-layer pipe section through a downspout; and the bidirectional inlet fog catching device is communicated with the tail of each upper-layer pipe section through a liquid discharge pipe. The slug flow catcher provided by the invention is used for oil gas treatment of oil gas fieldsurface engineering.

The invention discloses a method for preparing a pyrolytic boron nitride material. The method comprises the following steps: putting a substrate mold in an air-carrying atmosphere carrying borazine vapor under a vacuum condition, and pyrolyzing borazine which constantly deposits on the depositing surface of the substrate mold by adopting a chemical vapor deposition method to form the pyrolytic boron nitride material. The preparation method of the pyrolytic boron nitride material has the advantages of simple and easily controlled process, low cost, low energy consumption, high yield, environmental friendliness and the like.

The invention provides a xenon suction system device, which comprises a xenon connection port and an oxygen connection port, wherein the oxygen connection port is connected with an adjustable resistance valve to a breather through pipelines; the xenon connection port is connected in series with a switching valve and a pressure adjusting switch through pipelines and connected in series with the adjustable resistance valve to the breather; a xenon pipeline in back of the pressure adjusting switch is provided with a xenon concentration sensor, and an oxygen concentration sensor is arranged in front of the adjustable resistance valve on the oxygen pipeline; the switching valve and the pressure adjusting switch are provided with microcomputer control valves; and the adjustable resistance valve is also provided with a microcomputer control valve. The device provided by the invention has a simple structure, is convenient for use and adjustment, is light, portable, economic and practical and convenient for medicinal staffs to use, and can completely play a due role in clinic.

The invention relates to the technical field of file management equipment, and particularly discloses a file binding device which comprises a working plate, wherein a baffle is fixed on one side of the working plate; a punching machine is fixed on the top of the baffle; the punching machine comprises punching nails which slide up and down; an opening for putting files is formed between the punching machine and the working plate; a hole groove located right below the punching nails is formed in the working plate; a plurality of adsorption holes evenly distributed along the hole groove are formed in the working plate; an air flow channel is arranged in the working plate; the air flow channel comprises a necking section; and each adsorption hole communicates with the necking section and is provided with a first air inlet check valve and an air flow unit for supplying air into the air flow channel. With adoption of the technical scheme, the device solves the problem in the prior art that an operator is at risk of injury by manually pressing paper near the punching nails.

The invention belongs to the field of aero-engine double-duct spray pipes, and particularly relates to a thrust measuring structure of a double-duct spray pipe with sealing gas. The structure comprises an inner duct pressure stabilizing cavity (3), an inner duct air inlet pipe (2), an inner duct sealing air pressure stabilizing cabin (11), an outer duct pressure stabilizing cavity (6), an outer duct air inlet pipe (4), an outer duct sealing air pressure stabilizing cabin (12), a double-duct spray pipe test piece (10) and a thrust measuring balance (7). According to the thrust measurement structure of the double-duct spray pipe with the sealing gas, the inner duct and the outer duct simultaneously, horizontally and symmetrically feed gas, and a non-contact sealing and sealing gas structure is adopted, so that thrust and flow can be accurately measured, and interference of gas feeding in thrust measurement can be eliminated at the same time; influence of the structure on thrust measurement is smaller, and the interference caused by the structure can be quantitatively calculated; coaxial air supply of a double-duct spray pipe test piece can be realized, secondary switching is reduced, a straight pipe section is longer, and air flow pressure stabilization and rectification are facilitated; and the structure is compact and efficient, the thrust measuring platform is convenient to arrange, and the test efficiency is improved.

The invention provides a special test device and method for hydrogen fuel cell system fuel cell stack offline, and the device comprises a gas supply and exhaust auxiliary system, a heat dissipation system, a power supply, an electronic load, a PXI control system, and an upper computer. The air supply and exhaust auxiliary system is composed of a humidity sensor, a humidity control device, a filter, a pressure reducer, a hydrogen mass flow meter, an air guide pipe and a mechanical safety valve, the humidity control device is externally connected to the air guide pipe through a three-way valve,and the humidity control device is composed of an air inlet, a condensation device, an evaporation device and an air outlet; the air inlet is connected with the air guide pipe through the three-way valve and is connected with air inlet ends of the condensing device and the evaporating device through an electric control three-way valve; and the air outlet ends of the condensing device and the evaporating device are connected with the air guide pipe and the electronic load, and the PXI control system is externally connected with the exhaust auxiliary system and the heat dissipation system for control. According to the invention, the gas supply, flow, temperature and pressure control and hydrogen humidity adjustment of an offline fuel cell stack are realized, so that a cell is kept in an optimal working state.

The invention relates to a lever valve. The lever valve comprises a valve body (20) with a valve cavity. An input port (22), an output port (23) and an exhaust port (24) are communicated through the valve cavity, and a valve element is arranged in the valve cavity. The valve element comprises a push rod (14), a valve seat (15), a thread insert (12) and a valve vulcanization component (16). A lever support (11) is fixed at the top end of the valve body (20) and fixedly hinged to one end of a lever (10) through a cylindrical pin (21), and the other end of the lever (10) is hinged to a rotation wheel (3) through a cylindrical pin (4). The lever (10) is in slide contact with the lever (10) of the valve element. A quick-action switch is mounted on the valve body and can output corresponding electric signals according to the state of the lever, so that the working state of the valve can be known conveniently; the motion of the valve element is stable.

The invention discloses a gas leveling device for improving an etching process. The device comprises a gas inlet pipe and a gas leveling ring, wherein the gas inlet pipe and the gas leveling ring are made of hollow pipes and communicated with each other, the connection portion of the gas inlet pipe and the gas leveling ring is sealed, and the surface of a plane of the gas leveling ring is provided with gas holes. By the aid of the device, reacting gas is transported to a position which is close to a sampling platform directly and accurately, the dirt of the acting gas for a cavity is reduced, the gas is distributed on the surface of an etched article evenly, and the etching has good uniformity.

The present invention provides a gaseous fuel supplying method and device which provides power for the flow of gas by utilizing a vacuum (negative pressure) generated in an intake manifold (or an intake pipe on an internal combustion engine without an intake manifold) during operation of an internal combustion engine by reasonably controlling the opening of a suction control valve so that the mixing ratio of gas and air reaches a value required by normal operation of the internal combustion engine. The device for supplying gas by the gas supplying method physically includes six basic parts: azero pressure valve, a suction control valve, an air metering sensor, an air-fuel ratio sensor and a control unit (ECU).

The invention discloses an anti-icing structure of a sluicing slope for water conservancy facilities, and belongs to the technical field of water conservancy facilities. According to the technical keypoints, the anti-icing structure comprises a water storage wall, a sluicing gate arranged on the water storage wall and the sluicing slope arranged on one side of the water outlet end of the sluicinggate; a sluicing table is arranged between the sluicing slope and the sluicing gate, and a closure water tank is formed in the sluicing table; an air jetting tank is arranged in the closure water tank, and the two ends of the air jetting tank are connected with air delivering pipes correspondingly; a plurality of vent holes are distributed in the side wall of the air jetting tank, and the vent holes face toward the bottom of the closure water tank and the water outlet side of the sluicing gate; and a cantilever is arranged on the water storage wall, supporting plates are hinged to the two ends of the air jetting tank, and the free ends of the supporting plates are hinged to the cantilever. The anti-icing structure of the sluicing slope for the water conservancy facilities is compact in structure, low in using energy consumption and good in effect and is used for preventing the water conservancy facilities from icing.

The invention relates to a circulating ventilation system of a silica sand water storage and purification tank, belongs to the technical field of environmental engineering, and provides the following technical scheme for solving the problem that purification treatment of sewage is not facilitated, the circulating ventilation system of the silica sand water storage and purification tank is technically characterized by comprising a tank body, impermeable layers are laid on the bottom wall and the side wall of the tank body, and a water storage well and a water purification well are arranged in the tank body; the water storage well and the water purification well are both defined by silica sand water filtering walls, the water purification well is communicated with a water inlet pipe, and the water storage well is communicated with a water outlet pipe. A desilting channel is further arranged in the tank body, the desilting channel is communicated with the water purification well, and the desilting channel is provided with a sludge discharge pipe; an air inlet pipe is arranged in the tank body, the two ends of the air inlet pipe extend out of the tank body, an air channel capable of supplying air to the air inlet pipe is arranged outside the tank body, and a plurality of air outlet holes are formed in the air inlet pipe located in the tank body. The circulating ventilation system has the advantages of increasing the content of dissolved oxygen in sewage and improving the sewage filtering effect.

The invention discloses a novel lifting cylinder. The novel lifting cylinder comprises a cylinder body (2) with a first inner cavity (1), a piston (4) which is arranged inside the cylinder body (2) and can slide along the inner wall of the cylinder body (2), and a base (6) which is connected to the first end of the cylinder body (2) and can input gas to the cylinder body (2). The piston (4) is further fixedly connected with a piston rod (8) which penetrates through the second end of the cylinder body (2). The piston rod (8) is connected with the second end of the cylinder body (2) in a dynamic sealing mode. The novel lifting cylinder achieves fast gas advance and retreat, and can provide larger energy, hoist the height and increase the frequency for an impact test stand when being applied to the field of impact and collision tests.

The invention discloses a blade tip jet variable-vector rotor craft for personal transportation and material transportation. A craft body is provided with a rotor ring, a drive ring and a driven ring. The rotor ring is provided with rotors. One end of each rotor is longitudinally hinged to the rotor ring, and the other end of each rotor is provided with a gas propelling device. The drive ring is provided with gas spray nozzles. A gas storage tank is arranged in the aircraft body. The gas storage tank communicates with the gas spray nozzles. A gas pipe communicating with the gas propelling device is arranged in each rotor. Compared with the prior art, the blade tip jet variable-vector rotor craft for personal transportation and material transportation has the advantages that through synchronous rotation of the rotor ring, the drive ring and the driven ring in all directions, continuous gas supply to the rotors is achieved, the work time of the rescue aircraft is prolonged, the hovering function and the multi-directional flying function are guaranteed, and the utilization value of the aircraft is improved.

The invention belongs to the technical field of air-cushion suspension transporter, and relates to an air pipe reel mechanism for an air-cushion suspension transporter. An air motor in a reel drive outputs a certain rotating speed and torque through a reducer, a drive sprocket is driven to rotate, the drive sprocket drives an air pipe reel to revolve through a transmission chain, an action of taking back the air pipe is achieved, and the taken-back air pipe is stored between an upper layer and a lower layer of support beams of an air pipe support frame. When the air pipe is released, an electromagnetic clutch in the reel drive is powered off firstly, the resistance during releasing of the air pipe is reduced, and then the air pipe is released smoothly based on a tractive force during running of the air-cushion suspension transporter. Compared with the prior art, the air-cushion suspension transporter utilizing the air pipe reel mechanism can achieve air supply to an air cushion and a pneumatic element and can achieve releasing, recycling and storage of the air pipe. According to the air pipe reel mechanism, the air-cushion suspension transporter can release the air pipe easily, the transporting efficiency of the air-cushion suspension transporter can be improved, and the human cost is saved.

The invention provides a mechanical continuous threshing device for agricultural harvesting, and relates to the technical field of threshing devices, the mechanical continuous threshing device comprises a shell, a threshing part, a screening part, a driving part and a cleaning part; two fixed seats are symmetrically welded on the shell; the two fixing seats are each of a rectangular plate-shaped structure, and two fixing bolts are connected to each fixing seat in an inserted mode. Four elastic telescopic rods A are mounted on the bottom end face of the top plate, and a mounting seat is mounted at the head ends of the four elastic telescopic rods A; the mounting seat is of a concave structure, and stop levers are welded on the mounting seat in a linear array shape; the blocking rod is of a cylindrical rod-shaped structure, protrusions A are welded to the blocking rod in a linear array shape, and the protrusions A form a retarding structure when the sunflowers move, so that the threshing effect is improved, and the problems that firstly, the sunflowers move fast during threshing, the threshing effect is not obvious enough, and repeated threshing needs to be conducted are solved; and secondly, the problem that residues are doped in the seeds during threshing is solved.

The invention relates to an updip entrance double-layer tubular slug flow catcher, and relates to a slug flow catcher, aiming to solve the problems of large floor space, large liquid carrying amount in gas and no gas phase fog catching function for the existing finger-type tubular slug flow catcher. Two upper-layer pipe sections and two lower-layer pipe sections are all horizontally arranged in parallel; the head end of each upper-layer pipe section is communicated with the tail end of an updip pipe section; the head end of the updip pipe section is communicated with an inlet pipe; the tail end of each upper-layer pipe section is communicated with the tail part of each lower-layer pipe section; the tail end of each lower layer pipe section is communicated with a liquid collecting pipe; two gas collecting pipes are horizontally arranged in parallel; the head end of the gas collecting pipe is communicated with the tail of the updip pipe section; the tail end of the gas collecting pipe is communicated with a bidirectional inlet fog catching device; the gas collecting pipe is communicated with the upper pipe section through a gas guide pipe; the upper-layer pipe sections are communicated with the lower-layer pipe sections through communicating pipes; the updip pipe section is communicated with the lower-layer pipe section through a downspout; and the bidirectional inlet fog catching device is communicated with the tail of each upper-layer pipe section through a liquid discharge pipe. The slug flow catcher provided by the invention is used for oil gas treatment of oil gas field surface engineering.

The invention belongs to the field of engines, in particular to a cooling fan control system for an extended-range automobile engine. Aiming at the existing air intake method, there is no corresponding filtering device for air dust, so when the engine inhales air, a certain amount of dust is often mixed. If it enters the engine, it will easily cause damage to the engine. The following scheme is proposed, which includes a temperature sensor, an engine body, a controller, an anemometer, a memory, a frequency converter, and a motor. The temperature sensor is connected to the engine body. And the engine body is connected with the controller, and the present invention drives the turbine blades to rotate through the motor, so that the engine body can be supplied with air, and at the same time, under the action of the filter cartridge installed in the installation pipe, the gas entering the engine body can be controlled. Filtration can prevent dust from entering the engine body, so it can effectively avoid engine body damage.

The invention discloses a relay protection device for electrical automation, which comprises a protective case, a plurality of cooling holes are opened on the side wall of the protective case, a relay and a shock-absorbing part are arranged in the protective case, the relay is connected with the protective case through the shock-absorbing part, and the top of the protective case is fixed. A heat dissipation part is connected, and the heat dissipation part passes through the top of the protective case, and the heat dissipation part is arranged correspondingly to the top of the relay; the heat dissipation part includes a shell fixed to the top of the protective shell, and a driving motor is arranged in the shell, and the driving motor is fixedly connected to the top of the protective shell. The output end of the driving motor is connected with an air supply part and a cooling part, and the cooling part passes through the top of the protective case and is located above the relay, and the cooling part is rotationally connected with the protective case through the driving motor. The invention can achieve heat dissipation and dust removal for the relay on the basis of shock absorption protection for the relay, and only one driving motor is provided. On the one hand, the effect of heat dissipation and dust removal is good, and on the other hand, energy consumption is reduced.

The invention discloses a combined electricity, heat and gas supply system and process formed by using rice straw as raw material. It makes Spartina the best raw material source of high-quality energy and provides the cheapest clean energy for human beings. It includes Spartina gasification gas supply, power generation, and heat supply system, which is composed of feeder, gasifier, purifier, separator, fan, safety device, internal combustion engine generator set, control mechanism, etc. The gasification reaction furnace adopts a micro-negative pressure system to automatically adjust the intake air volume, gradient combustion reaction, gasification, the increase of furnace temperature promotes the cracking of tar, and the complete reaction in the furnace increases the calorific value of gas and reduces tar; , Falling film absorption and dehumidification functions in one wet purifier, high purification efficiency, one-time no power to remove ash and tar, etc., the purifier is a fully enclosed device, there is no gas leakage point, and the oxygen content of the gas is low , eliminating potential safety hazards. The special atmospheric pressure gas boiler is used for central heating, and the special gas internal combustion engine is used for power generation.

The invention belongs to the technical field of emergency lifesaving, and provides a gas source for emergency breathing, including a gas cylinder body (13), a blocking piece (12), a gas cylinder valve body (10), a gas cylinder breakdown mechanism and a firing mechanism; The gas cylinder body (13) is a high-pressure gas cylinder, and the blocking piece (12) is arranged on the mouth of the gas cylinder body (13) in a welding manner, and the blocking piece (12) is used to seal the high-pressure gas in the gas cylinder body (13); The gas cylinder valve body (10) is arranged on the outside of the blocking piece (12), and one end of the gas cylinder valve body (10) is in sealing connection with the mouth of the gas cylinder body (13) outside the blocking piece (12), and the other end is sequentially connected with the gas cylinder body (13). The bottle puncture mechanism and the firing mechanism are sealed and connected; the firing mechanism is used to trigger the action of the gas cylinder puncture mechanism to pierce the blocking piece (12) and release the high-pressure gas in the gas cylinder body (13).

A hermetic component of a neodymium iron boron storage container, comprising a component body (1). The component body (1) is divided into an inner area (15) and an outer area (14). The inner area (15) is provided with an accommodating space. The outer area (14) is a hollow structure. The component body (1) comprises: a fastening ring (2), a pressurizing element (21), a locking block (3), a rotating shaft (5), a pressure block (6), and an air pressure sealing element. The air pressure sealing element is provided with an air supplying part (7), a squeezing part (8), and a ventilation part (9).

The invention discloses isolation goggles. The isolation goggles comprise a pair of eye socket rings (1), a pair of soft goggle bodies (2) capable of being attached to eye sockets of a human body anda head band (3), a through hole is formed in each eye socket ring (1), a lens (4) is arranged at the outer end of the through hole, and the two goggle bodies (2) are each installed at the inner end ofthe through hole of the corresponding eye socket ring (1); and each eye socket ring (1), each goggle body (2) and each lens (4) form a closed inner cavity with the eye sockets after the goggles are worn on the eyes of the human body. The inner cavity is characterized in that: an air inlet pipe communicates with the interior of each inner cavity, the air outlet end of the air inlet pipe communicates with the corresponding inner cavity, and the air pressure of the inner cavity is larger than the air pressure outside the goggles in a ventilation state. According to the goggles, the air pressureinside the goggles is increased, so that an air pressure difference exists inside and outside the goggles, external air cannot enter the goggles, and eyes can be truly protected.

The invention discloses a gas bearing and a gas bearing centrifugal compressor, which relate to the technical field of compressors. The centrifugal compressor is a semi-hermetic centrifugal compressor with gas bearings. The gas radial bearings are distributed on both sides of the span of the motor rotor or shaft. The radial bearings at the impeller end and the gas radial bearings at the non-impeller end provide radial load. The gas thrust bearing provides a positive thrust towards the impeller end. When the centrifugal compressor operates stably under various high and low pressure differential conditions, the direction of the shafting force caused by the gas is towards the non-impeller end, so the thrust bearing provides In order for the thrust force to overcome the gas force of the shaft system, the pressure of the oil tank is balanced to the low-pressure evaporation pressure side through the balance pipe, and the low-pressure lubricating oil is raised to a higher pressure through the action of the oil pump to realize the oil supply of the oil film bearing. The differential oil supply pressure is the difference between the oil supply pressure and the evaporation pressure.

The invention provides a cable tube waterproof plugging device which comprises a first pressing plate, a second pressing plate and a connecting piece, the first pressing plate and the second pressing plate are spliced to form a cable plugging tube, a hinge piece is arranged between a first contact surface and a third contact surface, a first connecting surface is arranged on the first pressing plate, and a second connecting surface is arranged on the second pressing plate. The first connecting face is perpendicular to the first contact face and the second contact face, second connecting faces are arranged on the two sides of the second pressing plate, the two ends of the connecting piece are fixed to the first connecting face and the second connecting faces respectively, and the connecting piece and the hinge piece are arranged at the two ends of the first pressing plate respectively. At least one first mounting groove is formed in the first pressing plate in a penetrating mode, at least one second mounting groove is correspondingly formed in the second pressing plate in a penetrating mode, the first mounting groove and the corresponding second mounting groove are spliced to form a cable plugging hole, and the cable plugging hole is formed in the length direction of the cable plugging pipe.

The invention relates to the technical field of construction safety, and discloses an engineering construction admission safety helmet which comprises an outer side protector, a mounting groove is formed in the top of the outer surface of the outer side protector, a trigger device is fixedly mounted in the mounting groove, and an air storage device is fixedly mounted in the middle of the top of the outer side protector. When a falling object hits the top of the gas storage bin and hits the position close to the middle of the top of the gas storage bin, due to the fact that the inclination degree is low, the inclined component force borne by the falling object is insufficient, most kinetic energy of the falling object acts on the top of the gas storage device, and the top of the gas storage device is broken down; at the moment, high-pressure gas in the gas storage bin is sprayed out, so that the falling object is slowed down by applying a reverse acting force to the falling object, the kinetic energy of the falling object is reduced as much as possible before the falling object is in contact with the inner-layer protection, the force generated when the falling object collides with the inner-layer protection is reduced, and a wearer is protected to the maximum extent; and the safety performance of the device is improved.

The invention provides an electric starting fusing type quick release valve. The electric starting fusing type quick release valve comprises a valve body main part, a bottle opening device, an inflation valve, a valve element, an output connector and a throttling hole. The valve element arranged on the valve body main part is of a step type piston structure, the inside of a shell is divided into acavity A located in the right end of a valve element step and a cavity B located in the left end of the valve element step, and an output connector channel is closed through the piston end. The throttling hole formed in the valve element forms an airflow channel for the cavity A and the cavity B, and the pressure of the cavity A and the pressure of the cavity B are balanced. The bottle opening device comprises a fusible plug and an electric connector and is electrically connected with the fusible plug through the electric connector, direct current is conveyed to the fusible plug to reach setfusing energy, and after the fusible plug is loosened, the cavity B forms a deflation channel. The valve element is pushed from the end, with the large pressure, of the cavity A to move towards the end, with the small pressure, of the cavity B, the output connector is opened, and gas in a gas bottle connected with the inflation valve outputs a gas source to a device to be inflated to achieve gas supply. High popularization value is achieved.

The biomass fuel combustion furnace facilitating sufficient combustion comprises a combustion furnace body and an air pump, the feeding end of the combustion furnace body is connected with a pressure storage pipe in a penetrating mode, the left end of the pressure storage pipe is fixedly connected with a butt joint pipe, and the left end of the butt joint pipe is fixedly connected to the output end of the air pump; a pressurizing mechanism is fixedly connected to the left end of the pressure storage pipe, a guide mechanism is fixedly connected to the right end of the pressure storage pipe, compressed air is introduced into the inner side of the guide pipe through the air pump and the pressurizing mechanism, and when the compressed air pushes a piston, a connecting rod and an isolation hood to move on one side of the feeding end of the combustion furnace body, the piston is compressed; when the air leakage hole communicates with the guide hole, compressed air is sprayed out of the guide pipe through the air leakage hole and the guide hole, the stacked biomass fuel is blown away, the contact area of the biomass fuel and air on the inner side of the combustion furnace body is increased, and the combustion efficiency is improved. The combustion efficiency of the device is improved.