16results about How to "Improve suction efficiency" patented technology

The invention provides an air source heat pump system. The air source heat pump system comprises a compressor, a fin heat exchanger, a shell tube heat exchanger and a gas-liquid separator, wherein the shell tube heat exchanger comprises a gas tube, a liquid tube, a heat exchange tube and a liquid separating device, the air source heat pump system further comprises a four-way valve, the four-way valve is correspondingly communication with the compressor, the gas-liquid separator, the fin heat exchanger and the gas pipe, the fin heat exchanger is in communication with the liquid separating device through a orifice plate and a first one-way valve; the fin heat exchanger is in communication with the liquid tube through an expansion valve and a second one-way valve; the first one-way valve is used for the one-way conduction of the fin heat exchanger to the liquid separating device; the second one-way valve is used for the one-way conduction of the liquid pipe to the fin heat exchanger. By the adoption of the system, a liquid storage device of the liquid refrigerant does not need to be added in the system, so that the cost is saved; a large amount of liquid refrigerant cannot flow back to the compressor after defrosting is finished; during the refrigeration mode, the refrigerant running shell pass does not need to be subjected to suction superheat, so that the air suction pressure and the operation efficiency of the refrigeration mode are improved; and the overall use valve of the system is less, and the reliability is high.

This utility model discloses a material suction device and a material suction system. The material suction device includes a suction pipe and a support frame. The suction pipe has a suction port and a discharge port at its two ends, respectively. The support frame is disposed on the outer wall of the suction pipe and surrounds the perimeter of the suction port. The support frame is used to open the bag opening of the material bag and form a suction space communicating with the suction port at the bag opening. At least one arc-shaped chamfer is provided at the end of the support frame away from the discharge port. A first guide slope is also provided at the end of the support frame away from the discharge port. The support frame includes a first connecting surface and a second connecting surface arranged opposite each other along the radial direction of the suction pipe. The first guide slope is connected to the first connecting surface and / or the second connecting surface by an arc-shaped chamfer. The first guide slope is inclined towards the central axis of the suction pipe from the discharge port to the suction port, thereby preventing the support frame from obstructing the suction port and improving the material conveying effect and efficiency.

The utility model discloses a ceramic product polishing device with a cleaning function, which comprises a pedestal, a polishing mechanism is arranged on one side of the top of the pedestal, the ceramic product polishing device with the cleaning function further comprises a connecting seat, and the connecting seat is fixedly mounted on the back of the polishing mechanism. According to the scheme, before the ceramic is polished through the polishing mechanism, the absorption cavities horizontally deflect around the mounting column so that the absorption cavities can be located on the two sides of the ceramic, then the ceramic placed on the table top of the table base is polished through the polishing mechanism, and meanwhile the draught fan arranged at the top of the connecting base is started; according to the grinding device, the supporting frame at the top of the grinding device is separated from the surface of the collecting bin, and after the fixing column moves by the maximum distance, the collecting bin can be horizontally moved out of the connecting base so that dust collected in the collecting bin can be treated in a unified mode, and therefore grinding dust can be cleared away in time, and the influence of the dust on the surrounding environment and equipment is avoided; and the practicability of the device is improved.

The utility model discloses an air purifier belongs to air purification equipment technical field. It includes: air inlet pipe and air outlet pipe, both upside down and connect, and both the top surface, bottom surface of air purifier structure formed after connecting are closed surface, the top surface of air outlet pipe is provided with the communicating port, and the inner chamber of air inlet pipe is communicated with the air outlet pipe through the communicating port, the circumferential side wall of air inlet pipe is provided with a plurality of air inlet face, and every air inlet face is provided with air inlet, the air outlet face is formed on the opposite setting two sides of air outlet pipe respectively, and every air outlet face is provided with air outlet, the filter screen is set in air inlet pipe and covers in communicating port. Set up air inlet and air outlet on every side wall of air inlet pipe and air outlet pipe respectively, can handle the air in larger range fast, realizes the uniform suction and high -efficient discharge of air, effectively promotes the air circulation times in unit time, thereby significantly enhances purification efficiency.

This utility model discloses a coarse-grid odor extraction structure, including a sewage tank with vents circumferentially arranged on its inner wall; and a extraction assembly, disposed on the outside of the sewage tank and including multiple first extraction parts, each connected to a corresponding vent to extract odor. This utility model solves the problems of low odor treatment efficiency and the inability to prevent water vapor escape from existing sewage odor extraction equipment, which poses safety hazards. By coordinating vents within the sewage tank with the extraction assembly, odor and water vapor are pre-treated, preventing odor from spreading to a larger space, reducing extraction efficiency, and increasing effort; and preventing water vapor from escaping and corroding various equipment, thus improving the safety of odor treatment.

The application discloses a cooling system liquid supplement tool, which is suitable for supplementing cooling liquid for a cooling system by a cooling liquid tank. The cooling system liquid supplement tool comprises a liquid supplement pump, a pipeline set, a sub-pump and a current controller. The liquid supplement pump has a liquid inlet. The pipeline set comprises a first pipeline and a second pipeline. The first pipeline is suitable for connecting the liquid inlet of the liquid supplement pump and the cooling liquid tank. The second pipeline is suitable for connecting the first pipeline and the cooling liquid tank. The sub-pump is arranged in the second pipeline and is suitable for driving the fluid in the second pipeline to flow. The current controller is electrically connected with the sub-pump and is used for providing operating power for the sub-pump and controlling the operating time of the sub-pump. The application can automatically supplement the cooling liquid without human intervention or additional controller intervention. In addition, most of the air in the pipeline set can be discharged before entering the inside of the cooling system, so that the subsequent pumping and flowing efficiency of the cooling liquid is improved.

A mixed-flow ventilation fan includes a base plate and a panel that snaps onto it. An exhaust pipe is connected to the rear of the base plate. An air inlet is provided on the panel, communicating with the exhaust pipe on the base plate. A motor mount is connected to the inner wall of the exhaust pipe via several guide vanes. The motor mount is fixed to the central axis of the exhaust pipe by the guide vanes. A drive motor is installed inside the motor mount, and a front fan blade is mounted on the main shaft of the drive motor. The front fan blade rotates inside the exhaust pipe, drawing in air from the air inlet and expelling it from the rear of the exhaust pipe. The beneficial effects of this invention are: the front fan blade is a mixed-flow fan blade, and combined with an optimized number of blades and a reasonable design of the inclination angle, curvature, and angle of attack of the inner and outer edges of the blades, the blades can efficiently perform work on the air during rotation, generating excellent airflow characteristics that balance large air volume and high air pressure.

This utility model discloses an automatic fume extraction welding machine, including a welding head, a fume extraction assembly, and a fume extraction pipe. The fume extraction assembly achieves efficient airflow acceleration through magnetic drive of a vortex impeller and an excitation assembly. The cooperation of a fixed-rotation ring and a shaft sleeve guides the airflow and accelerates fume emission. A grid ring and a heat-insulating kit further improve fume filtration efficiency, ensuring effective removal of harmful substances from welding fumes. This utility model, by employing vortex impeller and magnetic drive technology, not only improves the fume extraction effect but also significantly reduces energy consumption and noise, offering advantages such as high efficiency, energy saving, and environmental friendliness. Simultaneously, it simplifies the equipment structure, facilitating cleaning and maintenance, and is suitable for various welding operations, especially in environments with strict requirements for welding fume extraction.

This utility model discloses a fan wheel structure and an air purifier. The fan wheel body has air inlet surfaces at both ends and two layers of air outlet surfaces on its lateral circumferential surface. Each layer consists of blades evenly distributed circumferentially, with adjacent blades forming an air outlet channel. The upper and lower blades are tilted in the same direction and staggered, so that the upper blades overlap the lower air outlet channel axially, improving airflow continuity and volume. The air purifier includes two opposing filter compartments, with an air inlet screen on the outer surface, a filter screen inside, and an air outlet screen on the side. The fan wheel body is located in the inner cavity, with its two air inlet surfaces corresponding to the filter compartments, and its air outlet surfaces facing the air outlet screens. The double-layer air outlet structure combined with the staggered blade design significantly improves air delivery capacity and efficiency; the symmetrical air inlet and outlet layout enhances the rationality of airflow organization and improves purification efficiency; the overall structure is compact, operates stably and with low noise, and is suitable for various air purification scenarios.

The present application relates to a kind of atomization and inhale type atomization administration device, including upper shell, lower shell, dosing control component, drug storage component, atomization component and power supply component, the drug storage component is set in upper shell, for providing drug liquid to atomization component;The atomization component is arranged between upper shell and lower shell, for atomizing the drug liquid provided by drug storage component;The dosing control component is used to control the work of atomization component;The power supply component is used to power dosing control component and atomization component;Atomization outlet is provided on the lower shell, for discharging the drug liquid after atomization, and the atomization administration device can store and atomize liquid drug preparation, and provide patient with real-time atomization inhalation, realize treatment or immunization effect etc..

The new type relates to a central island table of integrated suspension kitchen. It comprises a main body suspension device, a decorative suspension device and a plurality of smoke exhaust machines. The main body suspension device and the decorative suspension device are both suspended and welded on the suspension steel structure below the floor. The decorative suspension device is spaced and covered on the outer side of the main body suspension device. The plurality of smoke exhaust machines are installed in the main body suspension device. The main body suspension device comprises a main body steel frame and a veneer layer covering the surface of the main body steel frame. The main body steel frame comprises a smoke channel steel frame and a smoke machine installation steel frame. The top end of the smoke channel steel frame is welded on the suspension steel structure. The bottom end of the smoke channel steel frame is welded on the top surface of the smoke machine installation steel frame. The plurality of smoke exhaust machines are installed at the bottom of the main body steel frame. The air exhaust port is downward and connected to the bottom opening of the smoke channel steel frame. The new type has the characteristics of integrated suspension structure, smoke treatment and decoration function.

This invention discloses a sludge removal system and sludge suction device for collecting floating sludge in biological treatment ponds, relating to the field of sludge treatment technology. The invention includes an air compressor and an air storage tank. The air compressor is connected to the air storage tank, which is connected to a filter. The filter is connected to a refrigerated dryer. The filter is connected to a control box via a compressed air pipe. Valves are installed at the connections between the filter and the refrigerated dryer, and between the filter and the control box. The refrigerated dryer is connected to the control box via an instrument air pipe. The compressed air pipe is connected to a pneumatic diaphragm pump via the control box. The pneumatic diaphragm pump is connected to a sludge suction assembly. This invention can remove floating sludge more efficiently and thoroughly without the need for flocculants, thus avoiding adverse effects and reducing cleaning costs. It can adjust the position of the sludge collection port according to changes in water level, expanding the collection area and making the collection of floating sludge more efficient and rational.

The application provides a sound attenuation device and a compressor. The sound attenuation device comprises a shell and a second air inlet. The shell has a cavity, and the shell is provided with a first air inlet which is communicated with the cavity and has a first tapering portion. The second air inlet comprises a second tapering portion which is communicated with the first tapering portion, and the maximum radius of the second tapering portion is smaller than that of the first tapering portion. The application can improve the air intake efficiency while reducing the noise, and does not affect the performance of the compressor.

The utility model discloses a kind of air purifier combination structure, belong to air purification equipment technical field.It includes first air purifier and second air purifier, respectively by first air inlet cylinder and first air outlet cylinder, second air inlet cylinder and second air outlet cylinder along axial butt joint composition;When stacking in the same direction, first air inlet cylinder is connected with second air outlet cylinder, and the first connecting structure and the second connecting structure formed on the connecting surface of both are formed circumferential constraint cooperation, and second roller can be stored into accommodating groove;When stacking reversely, first air inlet cylinder is connected with second air inlet cylinder, and also through the first connecting structure and the second connecting structure form circumferential constraint cooperation.By the cooperation between the first connecting structure and the second connecting structure, two air purifiers can be coaxially stacked, and in stacked state, the displacement of the air purifier located in the upper horizontal direction is effectively constrained, and the design is particularly suitable for application scenarios requiring multiple units to work together, improving space utilization efficiency.