88results about How to "Even airflow" patented technology

The utility model discloses a high-precision airflow classifier, and relates to the technical field of sorting. The high-precision airflow classifier comprises an airflow classifier shell and a classification device, the classification device comprises a feeding port, the feeding port is fixedly connected to the upper end of the airflow classifier shell and extends into the airflow classifier shell, the upper end of the feeding port is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a rotating shaft; the lower end of the rotating shaft is fixedly connected with a dispersing disc, the surface of the dispersing disc is fixedly connected with baffles, the surface of the dispersing disc is rotationally connected with blades, and resin raw material particles collide with the baffles and the blades through the centrifugal effect of rotation of the dispersing disc, so that the resin raw materials are scattered, and the resin raw materials are evenly distributed in the airflow classifier shell; the uniform distribution ensures that the resin raw materials can be subjected to uniform airflow and centrifugal force, so that the stability and precision of the grading process are improved, and the grading efficiency of the device is improved.

The invention discloses a full-size wind tunnel high-load blade, which relates to the technical field of wind tunnel equipment and comprises a metal blade root, a hollow main beam and a blade body, a main beam connecting section is arranged at one end of the metal blade root, and the side wall of the main beam connecting section is a first conical side wall surface; the large opening end of the first conical side wall face is closer to the end, provided with the main beam connecting section, of the metal blade root than the small opening end of the first conical side wall face. The hollow main beam is formed by wrapping a carbon fiber cloth layer; a blade root connecting section is arranged at one end of the hollow main beam and fixedly arranged on the main beam connecting section in a sleeving mode. The inner side wall of the blade root connecting section is a second conical side wall face, and the second conical side wall face is attached to the first conical side wall face. The blade body is made of a carbon fiber material; and the blade body is fixedly arranged on the hollow main beam. The lightweight design degree of the blade is improved, and the lightweight effect of the blade structure is achieved.

The utility model relates to the field of pneumatic gathering devices of compact spinning machines, and discloses a protective cover and device for preventing compact spinning special-shaped pipes from being clamped, which comprises a cover body of an arc-shaped plate structure. Each connecting piece comprises a fan-shaped base plate, a turnup edge extending along the arc-shaped edge of the base plate is vertically arranged on one face of the base plate, the radian of the turnup edge corresponds to the radian of the cover body, the protruding face of the turnup edge is attached to the inwards-concave face of the cover body, and meanwhile bolt holes are vertically formed in the base plate. The special-shaped pipe can be effectively prevented from being impacted by air flow generated in the spinning process, and flyings can be prevented from flowing into the special-shaped pipe; fly entering the special-shaped pipe, the grid and the tension bracket is reduced, the service life of the special-shaped pipe is prolonged, the number of times of truck clamping is reduced, meanwhile, the maintenance difficulty is reduced, the production efficiency is improved, the labor cost is reduced, and the labor intensity of operators is also reduced. Installation is convenient, and the structure of an existing spinning machine does not need to be changed.

The utility model discloses an indoor unit and a heating and ventilation system. The indoor unit comprises a shell and a wind wheel. The shell is provided with a heat exchange cavity, a wind wheel cavity and a diffusion cavity which are sequentially communicated and comprises a front volute tongue and a rear volute tongue, the front volute tongue is arranged at the joint of the wind wheel cavity and the heat exchange cavity, and the rear volute tongue is arranged at the joint of the diffusion cavity and the wind wheel cavity. The wind wheel is located between the front volute tongue and the rear volute tongue. In the datum plane, the rotation center of the wind wheel is a point O, the axis penetrating through the rotation center and extending in the height direction of the installation environment is S, the front volute tongue and the rear volute tongue are arranged on the two sides of the axis S respectively, the axis S and the top wall and the bottom wall of the wind wheel cavity intersect at a point J and a point P respectively, the end point, close to the axis S, of the front volute tongue is a point A, and the end point, close to the axis S, of the rear volute tongue is a point L; the angle AOJ meets the relation that the angle AOJ is larger than or equal to 25 degrees and smaller than or equal to 35 degrees, and the angle POL meets the relation that the angle POL is larger than or equal to 15 degrees and smaller than or equal to 30. According to the technical scheme, aerodynamic efficiency can be improved, the noise level is lowered, and user experience is improved.

This utility model discloses a robotic gripper for injection molding machines, relating to the field of gripper technology. The gripper includes a connecting block with a mounting cavity at its front end. A base block is fixed to the lower end of the connecting block, and a motor cavity is formed through the upper end of the base block. The mounting cavity communicates with the motor cavity, and a motor is installed inside the motor cavity. A fan is fixedly connected to the output end of the motor. This utility model drives the fan to rotate via the motor, and the airflow generated by the fan is blown downwards through a grid plate. The grid plate serves a protective function, preventing external debris from entering the motor cavity and affecting the normal operation of the fan and motor, while also ensuring uniform airflow. The airflow generated by the fan cools the gripped components and the material being gripped, preventing deformation or damage due to excessive temperature. It also helps reduce the heat generated by friction and other factors during operation, improving the gripper's service life and operational stability.

The utility model discloses a tubular electric tar precipitator relates to industrial waste gas treatment equipment technical field, it includes casing, inlet pipe, sedimentation pipe subassembly, corona pole, sedimentation pipe subassembly contains a plurality of sedimentation pipes, still includes upper head, lower head, airflow equalizer, tar collection tank, drain pipe, heating jacket and sealing door, and the gas that waits for processing enters casing through inlet pipe, is evenly distributed to each sedimentation pipe by airflow equalizer, under the electric field effect that corona pole generates, and tar is adsorbed in the inner wall of sedimentation pipe, and then is collected to tar collection tank, and heating jacket prevents tar solidification, and is discharged through drain pipe, the utility model discloses has improved tar trapping efficiency and equipment stability, and the practicality is strong, is suitable for industry popularization.

The utility model relates to an oil fume exhaust fan sound insulation device with an oil stain discharge function, which is arranged on the outer side of an oil fume exhaust fan and comprises a sound insulation and absorption cover, a flow guide elbow and a silencing device, and the oil fume exhaust fan, the flow guide elbow and the silencing device are sequentially arranged in the sound insulation and absorption cover along the wind direction; the sound insulation and absorption cover is provided with an air inlet and an air outlet, the air inlet end of the oil smoke exhaust fan penetrates through the air inlet of the sound insulation and absorption cover, the air outlet end of the silencing device is correspondingly communicated with the air outlet of the sound insulation and absorption cover, an air duct of the flow guide elbow is arranged in an arc shape, and an oil stain collection box is arranged on the lower side of the flow guide elbow. The device has the advantages of being good in structural stability, small in oil stain discharge amount, good in sound insulation and noise reduction effect and easy to install and maintain in the later period, the oil stain collecting box can be detached and cleaned, and regular cleaning and maintenance are convenient.

The present application discloses a size detection device, which is applied to a silicon wafer sorting system, and includes: a material detection mechanism and a debris cleaning mechanism, wherein the material detection mechanism includes a first light source assembly and a first shooting assembly, wherein the first light source assembly is located below the conveyor belt, and the first shooting assembly is located above the conveyor belt; the debris cleaning mechanism is installed on the first light source assembly, and is used to clean up the debris scattered on the first light source assembly; the first light source assembly includes a light source, and the light source has a through-portion penetrating itself in the height direction, and the through-portion and the light source both have a center line extending in the height direction, and the center line of the through-portion is substantially coincident with the center line of the first light source assembly; the debris cleaning mechanism includes a first air knife, at least part of the first air knife is located in the through-portion, and the debris is swept from the through-portion to the edge direction of the light source. Through the above arrangement, the sweeping effect of the first air knife is improved, the detection accuracy of the device is improved, and the production capacity of the sorting system is thereby improved.

The utility model discloses a measuring device for an air entraining system of an aviation auxiliary power device, and relates to the technical field of air entraining systems of APU test bed. The device comprises a connecting pipeline, the connecting pipeline comprises a stainless steel hose, a first rigid connecting pipe, a second rigid connecting pipe, a third rigid connecting pipe, a silencer module and an exhaust pipe, one end of the stainless steel hose is connected with an APU air guiding pipe, the other end of the stainless steel hose is connected with the first rigid connecting pipe, and the first rigid connecting pipe is connected with the second rigid connecting pipe; the second rigid connecting pipe is connected with the third rigid connecting pipe, the third rigid connecting pipe is connected with the silencer module, and the silencer module is connected with the exhaust pipe. The pipeline arrangement is simple, the number of valves and elbows is small, the number of corresponding fault points is small, meanwhile, the space requirement is small, airflow is relatively smooth, and the manufacturing cost is low.

The ball screw comprises a rod body, a first through hole is formed in the rod body in the axial direction, the first through hole penetrates through the end, used for being connected with a ball cup, of the rod body, the rod body is further provided with a second through hole, and one end of the second through hole penetrates through the end, away from the ball cup, of the first through hole to form a first opening; the other end of the second through hole extends to the surface of the body to form a second opening. When the nut is driven by the motor to drive the rod body to move through the ball, extruded airflow in the shell enters the first through hole from the second opening in the surface of the rod body and flows out of the first opening, or the extruded airflow flows in from the first opening and flows out of the second opening, and compared with a gap between the nut and the roller path, the gap between the nut and the roller path is smaller. The ventilation effect of the first through hole and the second through hole is better, so that airflow circulation in the left cavity and the right cavity is smooth, the stability of the air pressure in the sealing cavity of the shell is facilitated, and the situation that the air pressure difference causes large pressure to the dustproof cover and the clamp is prevented.

A fluidized bed granulator capable of enabling materials to do cyclone motion comprises a bottom bin, a stock bin, a main bin and a top bin, an air inlet pipe is externally connected to the air inlet end of the bottom bin, a turbulator located above the air inlet end is arranged in the bottom bin, a cyclone distribution plate located above the turbulator is arranged at the air inlet end of the stock bin, and an air outlet pipe is arranged at the air inlet end of the stock bin. The turbulator can divide airflow into a plurality of strands when the airflow passes through the turbulator, it is guaranteed that each strand of divided airflow can be directly conveyed to the cyclone distribution plate from the periphery, the cyclone distribution plate enables the airflow to be in a rotary motion state when the airflow passes through the cyclone distribution plate, and materials are allowed to be driven to do cyclone boiling motion through the rotary motion of the airflow. The utility model has the beneficial effects that the turbulator is used for shunting air flow, so that the flow and the flowing state of each shunted air flow are balanced, the cyclone distribution plate enables the air flow passing through the cyclone distribution plate to rotate, and the air flow and the temperature are more uniform due to the rotating motion; and a very good boiling effect can be achieved by only needing very small air volume.

The invention provides an air inlet system for a semiconductor reaction cavity and a discrete control method of the air inlet system. The gas inlet system comprises a controller and at least one group of gas inlet pipelines, each group of gas inlet pipelines comprises an upstream pipeline, a mixer and a plurality of downstream pipelines, the upstream pipelines are connected with a gas source, the mixers are arranged between the upstream pipelines and the downstream pipelines, the downstream pipelines are connected to the semiconductor reaction cavity, and the controllers are connected with the gas source. A switching valve is arranged on each downstream pipeline, and the switching valves are used for automatically controlling the on-off of the downstream pipelines; and the controller is used for controlling the on-off state of the switch valve by adopting a binary data column so as to obtain a target film form on the substrate. According to the air inlet system, the corresponding downstream pipelines can be switched on and off by controlling the switch valves so as to adjust the air flow in the group of air inlet pipelines, so that the control on a flow field in the semiconductor reaction cavity is realized, and the shape, thickness, doping uniformity and the like of a film formed by deposition are further controlled.

This utility model discloses a heat dissipation and dust prevention device for a frequency converter, including a frequency converter body. The bottom shell of the frequency converter body is provided with a heat dissipation window. It also includes a dust prevention mechanism and a cooling fan. The dust prevention mechanism includes a dust cover, a bent guide tube, a first resistance frame, a second resistance frame, dustproof cotton sheets, and a screw seat. By setting the dust prevention mechanism at the frequency converter body outside the heat dissipation window, together with the cooling fan, a heat dissipation and dust prevention structure is formed. The dust prevention mechanism can effectively trap dust through components such as the dust cover, the first resistance frame, and the dustproof cotton sheets in the second resistance frame, preventing dust from adhering to the cooling fan and fins inside the frequency converter body. Furthermore, the dust cover of the dust prevention structure is equipped with a cooling fan. The cooling fan, together with the bent guide tube, the dust cover, and the side wall air grooves of the first resistance frame and the second resistance frame, form a meandering airflow structure, which intercepts dust while ensuring smooth airflow and ensuring efficient heat dissipation of the frequency converter.

The application discloses a cyclone combustion system of a wing wall furnace boiler, wherein the lower furnace, the main combustion area furnace and the upper furnace all comprise a front wall, a right side wall, a back wall and a left side wall; the front wall, the right side wall, the back wall and the left side wall of the main combustion area furnace are all provided with inclined wing walls between two adjacent sides; each of the four wing walls is provided with a wind distribution chamber; each of the four wind distribution chambers is provided with a burnout air device and two or more layers of cyclone pulverized coal burners from top to bottom; the axes of the burner nozzles of the cyclone pulverized coal burners of the same layer in the four wind distribution chambers are arranged in a diagonal line in pairs; and the cyclone pulverized coal burners of the same layer in the four wind distribution chambers are all connected with the same coal mill; the application can improve the self-stable combustion capacity, the uniformity of the airflow in the furnace and the flame fullness, avoid the flame brushing the wall, realize the good combustion air power flow field organization in the furnace, precisely control the smoke temperature deviation, ensure the safe operation of the large-capacity high-parameter boiler and better meet the high-index requirement of the new generation of coal power technology.

The utility model provides a box body capable of realizing uniform distribution of airflow. The box body comprises an outer box body, an inner box body and an airflow generating device, the inner box body is arranged in the outer box body, and air channels are reserved between the lower face, the left face, the right face and the back face of the inner box body and the outer box body and are a left air channel, a right air channel, a lower air channel and a back air channel respectively. The airflow generating device is arranged in the back air duct, the back air duct communicates with the lower air duct, and the lower air duct communicates with the left air duct and the right air duct on the two sides; ventilation plates are arranged on the side walls of the two sides of the inner box body, and a plurality of ventilation holes are evenly distributed in the surfaces of the ventilation plates; after the airflow generation device generates airflow, the airflow sequentially passes through the back air duct and the lower air duct, flows into the left air duct and the right air duct, passes through the ventilation plate and then enters the inner box body; an air return opening is formed in a back plate of the inner box body and is opposite to the airflow generating device; according to the constant-temperature constant-humidity incubator, airflow is reasonably guided, so that the internal temperature of the inner box body is more uniform, the humidity is more uniform, and the constant-temperature constant-humidity environment in the incubator is fully ensured.

The utility model provides a kind of wind chamber structure of spouted fluidized bed, comprising: wind chamber body, bottom air inlet, top air outlet, air distribution plate is provided with two layers, lower layer main air distribution plate and upper layer auxiliary air distribution plate are left empty along vertical direction, as buffer cavity, the aperture of main air distribution plate upper air hole is greater than the aperture of auxiliary air distribution plate upper air hole, auxiliary air distribution plate upper air hole is more dense compared with main air distribution plate upper air hole distribution, main air distribution plate and auxiliary air distribution plate are vibratable by vibration motor driven and installed in chamber as a whole;Air inlet component is used to the bottom air inlet of wind chamber body;Gas-solid separation component is used to receive the top air outlet of wind chamber body and carry out gas-solid separation;Material backflow component is used to receive the solid material separated by gas-solid separation component, and send into wind chamber body chamber by material backflow port.The utility model can improve the production status of air distribution plate easy to block, reduce the adverse effects caused by air distribution plate blockage on the running performance and process effect of spouted fluidized bed, and protect the normal operation of equipment.

The frame assembly comprises a first longitudinal beam, a second longitudinal beam, a front cross beam and a rear cross beam, the front cross beam and the rear cross beam are connected between the first longitudinal beam and the second longitudinal beam, the front cross beam and the rear cross beam are arranged in a spaced mode, and a mounting space is formed by the front cross beam, the rear cross beam, the first longitudinal beam and the second longitudinal beam; each of the front cross beam and the rear cross beam comprises an upper wing surface and a lower wing surface, the frame assembly further comprises a waterproof protective plate and a power distribution device, one end of the waterproof protective plate is connected to the front cross beam, and the other end of the waterproof protective plate is connected to the rear cross beam and covers the mounting space; the power distribution device is connected to the upper wing surface of the rear cross beam, and the orthographic projection of the power distribution device in the direction from the lower wing surfaces of the rear cross beam and the front cross beam to the upper wing surfaces of the rear cross beam and the front cross beam is located in the waterproof protection plate. According to the vehicle frame assembly and the vehicle with the vehicle frame assembly, water splashed in the advancing process of the vehicle can be blocked, water is prevented from entering the interface of the power distribution device, and then the probability that the vehicle breaks down during traveling is reduced; and air flow can be optimized, and air resistance of the whole vehicle is reduced.

The air indirect evaporation refrigeration core comprises a plurality of heat exchange plates and a plurality of blocking pieces, the heat exchange plates are arranged at intervals in the first direction, and the blocking pieces are arranged on the surface of the heat exchange plate on one side in a heat exchange channel at equal intervals and divide the surface of the heat exchange plate into a plurality of heat exchange cavities. A plurality of water storage grooves are formed in the heat exchange chamber at equal intervals; the heat exchange channels are converted into dry channels through the equally-spaced blocking pieces in the second direction, the heat exchange channels are converted into wet channels through the equally-spaced blocking pieces in the third direction, the third direction is perpendicular to the first direction and the second direction, and the dry channels and the wet channels are arranged in a staggered mode; the heat exchange plate is formed at a time through plastic uptake, the functions of efficiency, strength and the like are achieved through the concave-convex structure design, the dry channels, the wet channels, the blocking pieces, the protrusions and the water storage grooves, performance optimization is achieved, and the sealing performance and the overall strength of the core body are improved through the edge sealing technology, the silica gel sealing technology and the like.

The present invention discloses a method for controlling the sound wave at the nozzle outlet of a hypersonic static wind tunnel and a wind tunnel. The method comprises the following steps: obtaining a given outlet sound wave; propagating the outlet sound wave in reverse to the throat of the nozzle to obtain a first sound field at the nozzle throat; arranging a speaker array upstream of the nozzle, starting the speaker array and forming a second sound field at the nozzle throat; controlling the amplitude, frequency and phase of the sound wave emitted by each speaker in the speaker array, and when the first sound field is consistent with the second sound field, completing the matching of the sound wave parameters of the speaker array with the outlet sound wave. The present invention is applied to the technical field of hypersonic wind tunnels, and by matching the sound wave at the nozzle throat, the nozzle outlet sound wave can be controlled, and then the influence of the sound wave on the boundary layer transition can be evaluated based on the controllable nozzle outlet sound wave in the study of hypersonic boundary layer transition.

The invention relates to the technical field of industrial heat treatment, and discloses an air knife device for an air cushion furnace, which comprises an air cushion furnace shell, a quenching area and a cooling area are arranged in the air cushion furnace shell, a partition plate is arranged between the quenching area and the cooling area, the partition plate is mounted at the side part of the air cushion furnace, and the air cushion furnace shell is internally provided with an air inlet and an air outlet. A plurality of rolling wheels used for conveying metal sheets and a plurality of air nozzles used for supporting the metal sheets are installed on the side portion of the air cushion furnace shell, penetrating holes are formed in the partition plate, air knife mechanisms are symmetrically installed on the partition plate, and each air knife mechanism comprises two air knife plates used for spraying air out of an air wall and driving racks installed on the two sides of the partition plate in a sliding mode. Longitudinal adjusting blocks are connected between the two driving racks and the two air knife plates respectively. The servo motor is matched with the driving gear to drive the air knife plates to be automatically and synchronously adjusted up and down, airflow borne by metal sheets is more uniform when the metal sheets pass through the air knife plates, vibration is reduced, and therefore the machining quality of the air cushion furnace is improved.

The utility model provides a coating device, which comprises a coating barrel, an inner cavity of which comprises a fluidization cavity and an air cavity located at the bottom of the fluidization cavity; the first fluidization plate is arranged in the coating barrel so as to separate the fluidization cavity from the air cavity, and the first fluidization plate is provided with a plurality of first ventilation openings so as to communicate the fluidization cavity with the air cavity; the rotating part is located in the fluidization cavity, the rotating part can rotate relative to the coating barrel in the height direction of the coating barrel, and the rotating part comprises a second fluidization plate spaced from the first fluidization plate and a plurality of stirring plates evenly distributed on the top of the second fluidization plate in the circumferential direction; the second fluidization plate is provided with a plurality of second ventilation openings. By arranging a plurality of stirring plates uniformly distributed at the top of the second fluidization plate in the circumferential direction, the rotating part can stir air in the coating barrel when rotating relative to the coating barrel, so that the airflow is more uniform, the distribution of powder is more uniform, and the coating effect of a workpiece is better.

The utility model discloses an air cooling fuel cell system integrated structure belongs to fuel cell technical field. The integrated structure is to set up fuel cell stack and its auxiliary components on the air deflector cover, and the side plate of air deflector cover and the cathode bottom plate, anode bottom plate of electric pile are connected to form the side surrounding casing structure of fuel cell stack, and the opposite side of fuel cell stack and fan is without side plate and opens to the environment, the fan in air management subassembly provides fresh air to the cooling and cathode flow channel on the polar plate in fuel cell stack, in hydrogen circulation subassembly, hydrogen passes control valve and enters hydrogen into the stack mouth on the cathode bottom plate, supplies to the anode manifold entrance of fuel cell stack through hydrogen flow channel in the cathode bottom plate, and the hydrogen that is not consumed is led out again by hydrogen out of the stack mouth on the cathode bottom plate and enters hydrogen circulation pipeline, and it is controlled by circulating pump to return to hydrogen into the stack mouth on the cathode bottom plate again. The utility model optimizes and reduces the overall size of fuel cell, guarantees the heat dissipation performance and improves the space utilization of fuel cell.

The utility model discloses a floor brush assembly of a dust collector. A dust collection pipe joint comprises a vertical part extending front and back and a transverse part extending left and right; the transverse part is provided with a transverse hole channel with a smooth hole wall, the first side of the transverse hole channel is closed, and the second side extends to the end of the transverse part to form an inner air inlet. A dust collection opening is formed in the bottom of the floor brush shell; the floor brush shell is provided with a mounting groove with an opening in the upper side; the transverse part is rotationally connected into the mounting groove; the inner air inlet of the transverse part extends into the groove wall on one side of the mounting groove; an air duct is arranged in the floor brush shell, the first end of the air duct communicates with the dust suction port, the second end of the air duct extends to one side of the mounting groove, and the inner air inlet of the transverse part communicates with the air duct; installation of a corrugated hose is omitted, the whole structure is simpler, the dust collection pipe connector forms an airflow channel, the inner wall of the dust collection pipe connector is smooth and not prone to deformation, it can be guaranteed that air circulates smoothly in the dust collector floor brush assembly, and therefore the dust collection efficiency is improved, and cleaning and maintaining are more facilitated.

The utility model discloses a nozzle type aluminum alloy variable air volume valve, which particularly relates to the technical field of air valves and comprises two valve plates, two ends of the two valve plates are jointly connected with an air guide component, two blades are mounted between the two valve plates, and a linkage component is connected between the two blades. The two valve plates and the two air guide assemblies jointly form a nozzle structure, a plurality of first air inlets are formed in the inner sides of the ends of the air guide assemblies and jointly connected with a first air inlet cavity, a first air pipe is installed on the outer side of the first air inlet cavity, and a plurality of second air inlets are formed in the inner sides of the middles of the air guide assemblies. The multiple second air inlets are jointly connected with a second air inlet cavity, and a second air pipe is installed on the outer side of the second air inlet cavity. The nozzle type structure designed on the basis of the Venturi effect solves the problems of low precision and easiness in dust accumulation and blockage during differential pressure measurement, and has the advantages of high measurement precision, strong dust accumulation and blockage resistance, accurate air volume regulation and control, high processing efficiency and good product quality.

This utility model relates to the field of furniture manufacturing technology and discloses a drying rack for furniture manufacturing, including an outer shell, fixing ports, and a sealing cover. The outer shell has multiple fixing ports on both sides. The outer walls of the outer shell are connected to the sealing cover via first rotating shafts on both sides. A rotating device is installed inside the outer shell, and a fan is installed at the rear of the rotating device. The rotating device includes a first support plate, a second rotating shaft, and a plate body. Multiple first support plates are provided inside the outer shell. The two sides of the first support plates are connected to the plate body via second rotating shafts. The outer side of the plate body is connected to wheels via a third rotating shaft. The wheels are located inside a sliding groove, which is located inside the second support plate. The outer side of the second support plate is connected to the inner wall of the outer shell. This utility model saves time in disassembling the raw solid wood boards for drying and improves the working efficiency of the device.

The utility model relates to the technical field of metal processing, in particular to a metal surface treatment continuous furnace oil blowing device which comprises a supporting frame, an installation assembly and an auxiliary assembly, and the installation assembly comprises a box body, a discharging valve, a backflow hopper, a connecting frame, an air knife, a high-pressure air pump, an air guide pipe, a feeding component and a conveying component. A heated metal workpiece is placed on the feeding component, the feeding component pushes the workpiece into the box body, the workpiece slides onto the conveying component, quenching oil in the box body is used for quenching the workpiece, and when the conveying component is driven by the auxiliary assembly to rotate, the conveying component conveys the quenched workpiece out of the box body and the workpiece is conveyed out of the box body, the high-pressure air pump is started, and the workpiece is conveyed out of the box body. The high-pressure air pump guides air into the air inlet air knife through the air guide pipe, the air is blown out through the air inlet air knife to blow off quenching oil attached to a workpiece, the blown-off quenching oil and naturally dripping quenching oil fall on the backflow hopper and flow back into the box body through the backflow hopper, and loss of the quenching oil is reduced.

The utility model discloses a humidifier, and relates to the technical field of humidifier structures, the humidifier comprises a shell, a wet curtain assembly and a fan assembly, the shell is provided with an air inlet, an air outlet and a ventilation channel communicated with the air inlet and the air outlet; the wet curtain assembly is arranged in the ventilation channel and is made of a washable material, an air passing channel is defined in the inner side of the wet curtain assembly, an air inlet channel communicating the outer side of the wet curtain assembly with the air passing channel is defined in the side portion of the wet curtain assembly, and a water passing channel extending in the vertical direction is formed in the wet curtain assembly; the fan assembly is arranged in the ventilation channel and located at the upper end of the wet curtain assembly, the fan assembly is used for driving airflow to flow from the air inlet to the air outlet, and the horizontal sectional area of an opening of the air inlet end of the fan assembly is smaller than or equal to the horizontal sectional area of the air passing channel. The utility model aims to provide the humidifier structure which is sufficient in inlet air, smooth in airflow and good in humidifying performance.

The present invention discloses a flag blowing system, which belongs to the technical field of stage equipment, and includes a flagpole, a traction rope, a flag, and a blower, wherein the flagpole is a tubular structure, and an air outlet is provided on the flagpole; the traction rope is arranged on the flagpole and is arranged opposite to the air outlet; the flag is connected to the traction rope, and the air outlet is adapted to the flag and is used to blow air to make the flag float; a hard rod is provided on the flag, and the hard rod is used to control the airflow balance on both sides of the flag; the blower is connected to the flagpole and is used to blow air into the flagpole. The flagpole of the flag blowing system provided by the present invention drives the flag to rise and fall through the annular transmission of the traction rope, and during the rising process of the flag, the blower is turned on, and the blower generates airflow, and the airflow is ejected through the air outlet to make the flag float. The present invention effectively overcomes the problem that the flag is not stretched and floated enough during blowing, and also effectively reduces the probability of the flag being unable to float after being entangled in the wire rope, and has a significant effect, and is suitable for wide promotion.

The utility model relates to the technical field of air-cooled radiators, in particular to a pouring radiator, which comprises a substrate, a plurality of radiating fins are welded on the substrate at equal intervals along the length direction, each radiating fin is provided with a through hole, a pipeline is inserted into the through hole, a plurality of connecting rods are fixedly connected onto the substrate, the connecting rods and the radiating fins are positioned on the same side, and the connecting rods are connected with the radiating fins. One end of each connecting rod is fixedly connected with the same wind scooper, the wind scooper is in contact with the heat dissipation fins, and an air outlet is formed in the wind scooper and right faces the heat dissipation fins. Cooling air generated by the fan is guided into the wind scooper, the wind scooper guides air-cooled air, the air-cooled air in the wind scooper penetrates through the air outlet to be in contact with the heat dissipation fins to conduct air-cooled heat dissipation on the heat dissipation fins, the wind scooper guides the air released by the fan, concentrated airflow passes through the heat dissipation fin area, and the heat dissipation effect of the heat dissipation fins is improved. Airflows on the surfaces of the heat dissipation fins are smooth, and the heat dissipation efficiency is improved.

The utility model discloses an air pre-heater air duct flow guiding device which comprises an air pipe, a flow guiding piece, a supporting piece and a flow equalizing plate. The flow guide piece comprises a first flow guide plate, and the first flow guide plate comprises a first horizontal plate and a first inclined plate; one end of the first horizontal plate is fixedly connected with a first inclined plate; the first horizontal plate and the first inclined plate form a certain angle in the section direction; the first horizontal plate and the first inclined plate are fixedly connected to the interior of the air pipe through supporting pieces; the flow equalizing plate is fixedly connected to the side, close to the output end of the inclined plate, of the air pipe. According to the air preheater, the problems that in the prior art, uneven airflow enters the air preheater, the flow deviation of all heat exchange parts in the air preheater is large, and the performance and the service life of the air preheater are seriously affected are solved, and the technical effect of uniform air channel airflow is achieved.