18results about How to "Increase airflow" patented technology

The utility model relates to the technical field of treatment ponds, and particularly discloses a static treatment pond structure of an aquaculture auxiliary pond, which comprises a water pond and a filter component arranged in the water pond, a water outlet pipe body and a water inlet pipe body are arranged on the side edge of the water pond and are both communicated with the water pond, the ends, away from the water pond, of the water outlet pipe body and the water inlet pipe body are connected with an external culture pond, and the water inlet pipe body comprises a first extending pipe body and a central drainage valve which is arranged in a water collecting pit at the bottom of the culture pond. One end of the first extension pipe body is communicated with the pool, and one end far away from the pool extends to the culture pond sump and is communicated with the central drain valve.

The utility model discloses a top air outlet type air conditioner outdoor unit which comprises a machine shell comprising a base plate formed by splicing a first bottom plate and a second bottom plate. The outdoor heat exchanger is arranged on the base plate and defines a heat exchange space, and a notch is formed in the side wall of the outdoor heat exchanger and comprises a first notch section and a second notch section. The compressor is arranged in the heat exchange space, is arranged on the first bottom plate and is close to the first notch section; the gas-liquid separator is arranged on the second bottom plate and is close to the first bottom plate; the oil separator is arranged on the first bottom plate and located on the side, away from the first notch section, of the compressor. The stop valve is close to the first notch section relative to the gas-liquid separator, and the projection of the stop valve on the chassis is located on the second bottom plate; and the four-way valve is arranged on the side, away from the first notch section, of the stop valve, the height of the four-way valve is between the height of the stop valve and the height of the gas-liquid separator, reasonable layout of all parts of the outdoor unit in a limited space is achieved, and manufacturability and maintainability are both considered while the space utilization rate is increased.

This invention discloses a roughness testing device and method for plastic-coated steel pipes, belonging to the field of steel pipe testing technology. It includes an operating table, with an equipment box bolted to its upper surface. A wide-angle high-definition camera is mounted on the lower surface of the equipment box. A fixing plate and a connecting plate are bolted to the upper surface of the operating table. A motor is bolted to the outer wall of the fixing plate. During operation, the device transfers the workpiece to the operating table using a robotic arm. An electric telescopic rod then drives a clamping plate to hold the workpiece. The motor then rotates the connecting plate and the clamping plate, allowing the wide-angle high-definition camera to perform a comprehensive inspection of the workpiece. A cleaning roller cleans the workpiece, removing particulate impurities from its surface, thus improving the accuracy of the wide-angle high-definition camera's results.

The utility model relates to garbage can inner bag manufacturing equipment technical field, and disclose a kind of injection mould rapid cooling's garbage can inner bag manufacturing equipment, including base and fixedly installed lower die holder on the upper end of base, the upper end of lower die holder is installed with upper die holder, cooling structure is installed on the lateral wall of lower die holder and upper die holder, injection liquid is introduced from injection port, using the cooperation of mould core and mould cavity can be shaped to injection liquid, the heat conduction layer of cooperation arrangement is favorable to the heat dissipation of mould core, in the process, start suction pump, and cooperate with duct and suction pipe can be drawn into cooling channel, can realize the purpose of air cooling, start a group of pump body simultaneously, and cooperate with water cooling pipe and circulating pipe can extract cooling liquid in water tank to cooling cavity, can carry out cooling to injection liquid, can realize the cooperation cooling of injection liquid air cooling and water cooling, shorten the forming time of injection liquid, effectively improve production efficiency.

The utility model relates to the field of film production discloses a film's air cooling device, including the conveyance case, the lateral wall of conveyance case is provided with the fan, the left end fixed connection of fan has the connecting pipe, the outer wall fixed connection of connecting pipe has the fixed pipe, the outer wall sliding connection of fixed pipe has the sleeve pipe, the fixed connection of sleeve pipe's end has the movable pipe, the top fixed connection of movable pipe has the sliding block, the inner wall of sliding block is provided with drive mechanism. In the utility model, through the conical groove structure of fan cooperation connecting pipe and movable pipe, can accelerate airflow, enhance air cooling efficiency, can effectively to the film on the conveyance belt rapid cooling. Simultaneously with the cooperation of bidirectional screw rod and sliding block, can adjust movable pipe position as needed, also can make its reciprocating movement, realize according to the flexible adjustment air cooling range of film width, ensure that large area film can also obtain uniform and efficient air cooling cooling.

This utility model discloses an ice maker, including a housing with a receiving cavity. The receiving cavity contains an ice chamber, a condenser, and a cooling fan. The housing has air inlets and outlets on both sides. An air guide shroud is also provided inside the receiving cavity, covering the ice chamber to form a heat dissipation channel between the shroud and the outer wall of the ice chamber. The two ends of the heat dissipation channel are connected to the air inlets and outlets, respectively. The condenser is located at the outlet end of the heat dissipation channel. This utility model, by covering the ice chamber with an air guide shroud to form a heat dissipation channel between the shroud and the ice chamber, increases the airflow velocity as it flows through the heat dissipation channel towards the outlet. By placing the condenser at the outlet end of the heat dissipation channel, the airflow exiting the channel passes through the condenser, thereby increasing the airflow through the condenser and rapidly cooling it, thus enhancing the heat dissipation effect.

This utility model relates to the field of wheat processing technology and discloses a high-efficiency wheat washing and screening device, including a casing. An impurity discharge hole is provided on one side of the casing. A third fixing plate is fixedly connected to the upper outer side of the casing. A screening mechanism is provided on the top of the third fixing plate. An air duct box is provided on the side of the casing away from the impurity discharge hole. A first optical axis is provided inside the air duct box. An isolation plate is rotatably connected to the outer wall of the first optical axis. A second optical axis is rotatably connected to the side of the isolation plate away from the air duct box. An adjusting strip is rotatably connected to the outer wall of the second optical axis. In this utility model, airflow is generated by a blower mechanism and transported into the casing through the air duct box. The adjusting strip allows for upward adjustment, thus solving the problems of poor purification effect and increased raw material loss in traditional wheat washing and screening devices.

This invention provides a rear-mounted guide vane with a cylindrical body for an axial flow fan, belonging to the field of ventilation equipment technology. It solves the problems of insufficient airflow or low static pressure efficiency in the high static pressure zone in existing technologies. This invention includes a guide vane body, guide vane blades, and a central hub. The two sides of the guide vane body are the outlet side and the inlet side, respectively, with the diameter of the outlet side being larger than that of the inlet side. The guide vane body is integrally formed and has a conical ring shape. The inner wall of the guide vane body forms a first mounting surface, which is a conical ring structure. The central hub is ring-shaped, and several mounting protrusions are formed on one side of the central hub. The outer surface of the central hub and the mounting protrusions forms a second mounting surface. The guide vane blades are numerous and arranged in a circumferential array, fixed between the first and second mounting surfaces. The cross-section of the guide vane blades is a thin plate structure of uniform thickness with an arc shape. This invention has the advantages of reducing turbulence, increasing airflow in the high static pressure zone, high static pressure efficiency, and increased range.

The utility model provides a kind of high refrigeration performance's circulating fan, air duct uses the design of different cross-sectional area of air inlet end, air outlet end and wind passing section, combine the shell of hyperbolic structure and outer wall surface smooth transition, air inlet end large cross-sectional area makes air mass enter, wind passing section small cross-sectional area accelerates airflow, according to Bernoulli's principle, flow rate accelerates and causes pressure to reduce, temperature drops, and gas is similar to adiabatic expansion in flow, work to outside makes internal energy decrease.Air outlet grille area is less than air inlet grille, and air outlet grille strip is located between adjacent air inlet grille strip, avoid airflow interference, ensure air orderly flow, air outlet grille towards the sharp corner structure of air inlet end, not only strengthen air outlet directional property, make airflow concentrated blow out, expand refrigeration coverage, it is also possible to airflow produce cutting and disturbance, promote heat exchange, improve refrigeration performance, the refrigeration performance and circulation performance of the fan are used with air conditioner, and good energy-saving effect can be achieved.

The utility model relates to the technical field of air conditioner ventilation, in particular to an air conditioner ventilation system with a noise reduction and sound insulation structure, which comprises an indoor unit shell, an impeller fan is mounted on the inner wall of one side of the indoor unit shell, evaporators are arranged on the left side and the right side of the impeller fan, and a refrigerant pipe A is inserted into one end of each evaporator. The other end of the refrigerant pipe A is connected to the inlet end of the compressor in an inserted mode, the outlet end of the compressor is connected to the inlet end of the condenser in an inserted mode, the outlet end of the condenser is connected with the refrigerant pipe B in an inserted mode, the other end of the refrigerant pipe B is connected to the inlet end of the expansion valve in an inserted mode, and a damping support is arranged at the bottom of the compressor. According to the improved ventilation system, multi-dimensional noise reduction can be achieved through the sound insulation cotton, vibration generated by mechanical parts can be buffered and loss can be reduced through the damping support and the damping support, the refrigerant pipe A and the refrigerant pipe B are corrugated hoses, the stability can be improved and faults can be prevented through flexible connection of the corrugated hoses, and the sawtooth-shaped flow deflectors can optimize airflow and reduce whistling sound at the same time.

The present application provides a kind of pulverized coal, oxidant combination formula burner, belong to coal chemical technology field, comprising: body and protective shell;Oxidant is transported by the oxidant flow channel in the body, pulverized coal is transported by pulverized coal flow channel, the body is internally provided with oxidant outlet pipe and pulverized coal outlet pipe, the protective shell is sleeved in the head of the body, the oxidant outlet pipe and the pulverized coal outlet pipe respectively from the head of the protective shell, the pulverized coal, oxidant combination formula burner provided by the present application, oxidant and pulverized coal are mixed outside the protective shell, can effectively prevent the backflow oxidation reaction of near burner, prolongs the trouble-free operation cycle of burner.

The utility model discloses a simulated cannon, which belongs to the technical field of entertainment equipment and comprises a cannon body, a slider component is slidably connected in the cannon body through a polished shaft, a cannon barrel chuck is arranged on the slider component, a cannon barrel is arranged on the cannon barrel chuck and slidably connected with the cannon body, and a spring is arranged between the cannon barrel chuck and the cannon body. An air cylinder used for driving the sliding block assembly is arranged in the gun body, and high-pressure gas is injected into an air cylinder ventilation opening in the air cylinder to drive the sliding block assembly and the gun body to move relatively. The sliding block assembly is driven through the air cylinder, then the gun barrel is driven to slide in the gun body, the recoil action of the gun barrel during blasting is truly simulated, the simulation trueness is greatly improved, and players can feel the experience closer to a real war scene in the entertainment process.

The utility model discloses a high-performance high-temperature-resistant dry-type air-core reactor which comprises a package formed by reactor aluminum stranded wires, the package is wound in a multi-layer cylinder mode, and all layers of aluminum stranded wires are connected in parallel to form an electrical connection structure. An upper star-shaped frame is arranged at the top of the envelope, a lower star-shaped frame is arranged at the bottom of the envelope, and the upper star-shaped frame, the lower star-shaped frame and the envelope are vertically bound through a wet binding tape; and the outer side of the aluminum stranded wire is tightly wrapped with a polyimide film, so that the H-level flat transposition aluminum stranded wire is formed. According to the utility model, the comprehensive H-level heat resistance level from interturn to overall insulation is realized, and the long-term operation stability and reliability of the reactor under high-temperature and complex working conditions are remarkably improved.

The special-shaped curve air duct structure comprises an inlet contraction section, a throat steady flow section and an outlet diffusion section which are used for the axial flow fan, the inlet contraction section and the outlet diffusion section are in continuous smooth curve transition, and the diameter of the throat steady flow section is smaller than that of the inlet contraction section and that of the outlet diffusion section. A venturi tube imitating structure is formed; a gap between the inner wall of the air duct and the impeller is in nonlinear change in the axial direction, and the gap at the throat part is minimum; the special-shaped curve air duct structure for the axial flow fan is simple and reasonable in structure and ingenious in design, the contour curve of the air duct is optimized through the Venturi effect, the gap self-adaptive design and the modular manufacturing process are combined, the machining cost is reduced while the aerodynamic efficiency is improved, and experiments show that the special-shaped curve air duct structure for the axial flow fan is suitable for large-scale popularization and application. According to the design, the fan efficiency can be improved by more than 20%, the noise is reduced by 7dB (A), and the fan is suitable for the fields of industrial ventilation, air conditioning systems and the like.

The utility model relates to the technical field of vehicle accessories, in particular to a bumper for a new energy four-wheeler. The automobile bumper comprises a bumper assembly, the bumper assembly is installed at the front end and / or the rear end of an automobile, a damping assembly is arranged on and connected with the bumper assembly, the outer side of the bumper assembly is wrapped with a shell assembly, and the bumper assembly and the shell assembly are fixedly connected with each other. And the bumper assembly is fixedly connected with the frame and the shell through an assembling component. The main beam is of a hollow and reinforcing beam structure, combined with structural layer filling, collision energy can be effectively absorbed and dispersed, the impact resistance of the bumper is enhanced, the safety performance of a vehicle during collision is improved, the damping assembly adopts multiple buffering design of a wrapping rubber layer, a sponge cushion layer, a front protection plate, a rear protection plate and the like, external impact and vibration can be effectively relieved, and the service life of the vehicle is prolonged. Safety of a vehicle body and passengers is protected, and the service life of the bumper and related parts of the vehicle is prolonged.

The ignition method and device are applied to a vehicle, the vehicle comprises the pure ammonia engine and a motor, the pure ammonia engine comprises a variable valve timing device, and the method comprises the steps that if a pure ammonia engine starting instruction is received, the motor is controlled to drive the pure ammonia engine to the preset rotating speed, and the rotating speed is maintained for the first preset time; after the first preset time is maintained, the variable valve timing device is controlled to enter a preset control state; ammonia injection control and ignition control are executed at the later stage of the compression stroke of the pure ammonia engine to ignite the pure ammonia engine. According to the method, rapid and reliable starting of the pure ammonia engine in the hybrid power vehicle is achieved, meanwhile, the combustion process is optimized, and the energy efficiency and starting smoothness of the whole vehicle are improved.

The utility model discloses an automobile silencer module relates to the technical field of automobile silencer, it includes the shell, and the air inlet end intercommunication of shell has the connecting pipeline, and the one end fixed intercommunication of connecting pipeline is away from the shell has the air inlet pipeline, and the air inlet pipeline is fixed intercommunication with automobile exhaust pipe, and the air outlet end integral intercommunication of connecting pipeline has the flow guide pipe, and is provided with the hole on the flow guide pipe, and the one end fixed intercommunication of flow guide pipe is away from the air outlet pipeline of connecting pipeline, and the air outlet pipeline's air outlet end extends to the outside of shell, and the outside of flow guide pipe is fixedly connected with the baffle along the vertical direction, and the baffle divides the inside space of shell into first cavity and second cavity, and the outside of shell is provided with mounting part, and mounting part is connected with the automobile dismounting. The automobile silencer module has played the resistance and the resistance silencing advantage, has realized the high -efficient suppression to the exhaust broadband noise, has guaranteed low exhaust back pressure simultaneously, thereby has improved the engine efficiency.

This utility model provides an indoor unit for an air conditioner with dual-sided air outlets, including a housing with a first air outlet and a second air outlet. A main air duct section is disposed within the housing, along with a first air duct section and a second air duct section connecting to it. The first air duct section is connected to the first air outlet, and the second air duct section is connected to the second air outlet. The main air duct section includes a first air duct wall and a second air duct wall. A cross-section at the front end of the first air duct wall is a first reference surface, and a cross-section at the front end of the second air duct wall is a second reference surface. The plane of symmetry between the first and second reference surfaces is a third reference surface. The first air duct section includes a fourth air duct wall. The second air duct section includes a sixth air duct wall. A reference line is provided at the connection between the sixth air duct wall and the fourth air duct wall, and the cross-section at the reference line is perpendicular to the third reference surface. This design helps to improve the uneven airflow between the first and second air outlets.