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68results about How to "Improve air efficiency" patented technology

Waste gas treatment device and treatment method for adhesive tape production

The invention relates to the field of waste gas treatment, in particular to a waste gas treatment device and method for adhesive tape production, the waste gas treatment device comprises a treatment tank, one side of the treatment tank is communicated with a gas inlet pipe, one side below the treatment tank is connected with a gas outlet pipe, and a liquid discharge pipe is mounted below the treatment tank. According to the waste gas treatment device, the connecting holes are annularly distributed and are also obliquely formed, so that waste gas is annularly conveyed into the treatment tank when entering the treatment tank, and the waste gas and conveyed air can be spirally downwards conveyed while the air conveying efficiency is improved through the rotation of the fan I, so that the waste gas and the conveyed air are uniformly sprayed when a spraying nozzle sprays; according to the device, the mixing effect with waste gas can be improved, particles obtained after spraying and filtering can fall on the connecting disc and are scraped through rotation of the connecting disc, and the spraying liquid falls and finally remains at the bottom of the treatment tank, so that waste gas particles left in the used spraying liquid are reduced, and the recycling and filtering cost of the waste spraying liquid is reduced; meanwhile, the waste gas filtering efficiency and quality can be improved.
Owner:WANREN PACKAGING TECH (JIANGSU) CO LTD

Air fryer with high cooking efficiency

The utility model relates to an air fryer with high cooking efficiency, which comprises a machine body, a cooking cavity arranged in the machine body and a heating component arranged in the cooking cavity, an air duct plate is arranged at the rear part of the cooking cavity, and an air deflector with an air suction port in the middle is arranged on the front side of the air duct plate. A flow guide channel communicated with the cooking cavity is formed between the air guide plate and the air duct plate, a centrifugal fan corresponding to the air suction opening is arranged in the flow guide channel, and the flow guide channel comprises a left flow guide channel body and a right flow guide channel body which extend towards the two sides. The left flow guide channel and the right flow guide channel are of a center line symmetrical structure, the left flow guide channel comprises an upper left flow guide channel body and a lower left flow guide channel body located below the upper left flow guide channel body, and the width of the upper left flow guide channel body is smaller than or larger than that of the lower left flow guide channel body. The air outlet direction of the centrifugal fan can be better corresponding, so that the air outlet efficiency and the cooking efficiency are improved.
Owner:NINGBO CARELINE ELECTRIC APPLIANCE CO LTD

Cover plate, hot air assembly with same and cooking utensil

The cover plate is arranged on one side, in the axial direction, of a centrifugal impeller, the cover plate is provided with a first surface and a second surface which are oppositely arranged in the axial direction of the centrifugal impeller, the first surface is arranged towards the centrifugal impeller, and an air inlet hole and an air outlet hole which penetrate through the cover plate are formed in the cover plate; at least part of the peripheral wall of the air outlet hole forms a first inclined face which is obliquely arranged relative to the axis of the centrifugal impeller, and in the direction from the first surface to the second surface, the inclination direction of the first inclined face is the same as the inclination direction of blades of the centrifugal impeller. According to the cover plate disclosed by the invention, the inclined first inclined surface is arranged at the air outlet hole, and the inclined direction of the first inclined surface is the same as that of the blades of the centrifugal impeller, so that the inclined direction of the first inclined surface is the same as the air flow movement direction, and the air flow can have the radial rotation speed as much as possible when flowing out of the air outlet hole; therefore, the air outlet speed can be increased, and the cooking effect is improved.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Vertical hair drier

The utility model relates to the technical field of hair driers, in particular to a vertical hair drier which comprises a hair drier shell, a wind wheel assembly arranged in the hair drier shell and a base arranged at the bottom of the hair drier shell, and the wind wheel assembly comprises a wind wheel body and a first driving part used for driving the wind wheel body; a wind gathering piece connected with the inner wall of the blower shell is further arranged in the blower shell, the wind gathering piece is arranged on the outer side of the wind wheel body, the wind gathering piece comprises a first wind guide plate and a second wind guide plate which are arranged on the two sides of the wind wheel body, and a wind guide opening is formed between the first wind guide plate and the second wind guide plate; the blower shell is provided with an air inlet grid and an air outlet grid, and the air guide opening always corresponds to the position of the air outlet grid of the blower shell. According to the vertical hair drier, due to the arrangement of the wind gathering piece, airflow enters the wind wheel body and is blown out after being gathered by the wind gathering piece, and the wind gathering effect of the vertical hair drier is effectively improved.
Owner:GUANGDONG ZHAOJIA ELECTRICAL TECHNOLOGY CO LTD

fan

The present invention relates to a fan, comprising a first air outlet and a driving part, wherein the first air outlet comprises a first base, a plurality of first blades extend from the surface of the first base, and the driving part comprises a rotor and a stator, wherein the stator and the rotor are hollow inside, and the rotor is connected to the first base so that the first air outlet rotates. In the present invention, the insides of the stator and the rotor are hollow, so that the structure of the fan is simplified, the load of the driving part during operation is reduced, and the first air outlet can be quickly rotated and form an airflow under the driving part of the driving part, thereby improving the air outlet efficiency and working power of the fan and optimizing the use performance of the fan.
Owner:XUXIN ELECTRICAL TECH (SHENZHEN) CO LTD

Fresh air assembly and air conditioner

The invention discloses a fresh air assembly and an air conditioner, the fresh air assembly comprises a shell and a wind wheel, and a worm wheel cavity is formed in the shell; the wind wheel is rotatably arranged in the worm wheel cavity; wherein an installation groove in the thickness direction of the wind wheel is formed in the shell, a ventilation opening penetrating in the thickness direction is formed in the bottom wall of the installation groove, and at least part of the wind wheel is contained in the installation groove. According to the fresh air assembly, the mounting groove is formed, and at least part of the wind wheel is arranged in the mounting groove, so that the thickness of the wind wheel can be increased, the air outlet amount can be increased, backflow of airflow is reduced, and the air outlet efficiency is improved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD

Drying device and drying equipment

The utility model provides a drying device and drying equipment, the drying device comprises a drying module, the drying module comprises a first support, a second support, a fan and a heating unit, and the first support is provided with a silencing air duct; the second support is connected with the first support, the draught fan and the heating unit are arranged in the second support, the air inlet side of the draught fan communicates with the silencing air duct, the heating unit is located on the air outlet side of the draught fan, it is guaranteed that the drying module has high air outlet efficiency, the drying efficiency is improved, meanwhile, the noise of the draught fan is lowered, and the user experience is improved.
Owner:ZHEJIANG SHAOXING SUPOR DOMESTIC ELECTRICAL APPLIANCE CO LTD

Fresh air assembly and air conditioner

The invention discloses a fresh air assembly and an air conditioner. The fresh air assembly comprises a first shell, a wind wheel and a second shell, and a worm wheel cavity is formed in the first shell; the wind wheel is rotatably arranged in the worm wheel cavity; the second shell is arranged on the first shell, and an air inlet channel is defined between the second shell and the first shell. Wherein a ventilation opening communicated with the worm wheel cavity is formed in the first shell, an air inlet is formed in the second shell, the air inlet is communicated with the ventilation opening through the air inlet channel, and the sectional area of the air inlet channel is gradually reduced in the direction away from the air inlet. According to the fresh air assembly, the sectional area of the air inlet channel is gradually reduced in the direction far away from the air inlet, so that air which rotates and flows back can be reduced, the air volume loss is reduced, and the air outlet efficiency is improved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD

Air outlet assembly and bladeless fan

ActiveCN224755972UShorten the air delivery distanceincrease wind speed
The application relates to an air outlet assembly and a bladeless fan, wherein the air outlet assembly comprises an air outlet frame support and an air outlet frame; an air outlet frame support air duct is arranged in the air outlet frame support; an air outlet air duct is arranged in the air outlet frame; the air outlet frame support is connected with the air outlet frame, so that the air outlet frame support air duct and the air outlet air duct are communicated; and an air outlet is arranged on the air outlet frame. The air outlet assembly provided by the application is connected with the air outlet frame through the air outlet frame support, and the air ducts are communicated, so that the air outlet frame can be independently supplied with air through the air outlet frame support, thereby improving the air outlet air speed and reducing the noise.
Owner:NINGBO SINGFUN ELECTRIC APPLIANCE

An air purifier

ActiveCN224415324Ueasy to handleInhale evenlyAir cycleAir purifiers
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.
Owner:NINGBO TALLER ELECTRICAL APPLIANCE CO LTD

Annular air outlet structure

An annular air outlet structure comprises a cover plate and a panel, an air groove is formed in the center of the cover plate, the bottom face of the air groove is connected with the cover plate through a barrier, a fan air inlet is formed between the bottom face of the air groove and the cover plate in a spaced mode, and a cover plate air outlet is formed in the center of the bottom face of the air groove. Heating device mounting holes are formed in the left end and the right end of the air groove, the air groove is covered with an air guide device, the air guide device comprises an inner ring and an outer ring, the inner ring is concentrically arranged in the outer ring, and a gap serving as an air guide outlet is formed between the inner ring and the outer ring; the air guide device is provided with an air guide port corresponding to the heating device mounting hole, and the air guide port communicates with the air guide outlet; a cover plate air inlet is further formed in the cover plate, and an air inlet barrier is arranged in the cover plate air inlet and is obliquely arranged; the panel is arranged above the cover plate, an annular panel air outlet corresponding to the air guide outlet is formed in the panel, a baffle frame is arranged below the panel, and a gap serving as a panel air inlet is formed between the baffle frame and the bottom face of the panel.
Owner:JIAXING MEIKAILONG ELECTRIC APPLIANCE CO LTD

Folding hair dryer

ActiveCN224734875UReduce axial sizeAngle adjustable
The utility model discloses a kind of folding hair dryer. The folding hair dryer includes air duct assembly, handle assembly, pivotal structure and fan assembly;The length of air duct assembly along its axial direction is less than the length of handle assembly along its axial direction;Pivotal structure pivotally connects air duct assembly and handle assembly, so that air duct assembly and handle assembly can relatively rotate, to have stretched state and bending state;When in stretched state, air duct assembly and handle assembly are linearly arranged, and the rotation center of pivotal structure is offset and arranged on the same side of the central axis of air duct assembly and the central axis of handle assembly;Fan assembly is arranged in air duct assembly. The technical scheme provided by the utility model makes the folding hair dryer not only convenient to store, but also the adjustable range of air duct assembly and handle assembly is larger, can better meet the use requirements of different users, and the air outlet efficiency is high, and user experience is better.
Owner:LOVEUBEST TECHNOLOGY (SUZHOU) CO LTD

Indoor unit and air conditioner having the same

The present invention provides an indoor unit and an air conditioner having the same. The indoor unit includes a shell, a first end of the shell is provided with a first air outlet, and a second end of the shell is provided with a second air outlet; a heat exchanger, the heat exchanger is arranged in the shell to separate the shell into a first cavity and a second cavity, the first air outlet is connected to the first cavity, and the second air outlet is connected to the second cavity; wherein an auxiliary air inlet is also provided on the shell, and the auxiliary air inlet is connected to at least one of the first cavity and the second cavity; an air outlet switching mechanism, the air outlet switching mechanism is arranged in the shell, and the air outlet switching mechanism is used to open or close the auxiliary air inlet. Such a setting can effectively increase the air intake of the indoor unit, thereby effectively improving the air outlet efficiency of the indoor unit and improving the heat exchange performance of the indoor unit.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Air conditioner

The utility model relates to an air conditioner. The air conditioner comprises a machine body, an air duct assembly and a fan assembly. The air duct assembly and the fan assembly are respectively arranged in the machine body; the air duct assembly is arranged at the upper end of the fan assembly; an air outlet component is arranged at the top of the machine body; the air outlet component communicates with the air duct assembly to form an air duct. According to the air conditioner, the airflow formed by the fan assembly can upwards enter the air duct along the air duct assembly and is directly blown out through the air outlet in the air outlet component, in this way, the air outlet efficiency can be effectively improved, a user can more visually feel the air blowing effect, and the user experience feeling is improved.
Owner:NINGBO SINGFUN ELECTRIC APPLIANCE

Vertical air conditioner indoor unit and air conditioner

The utility model relates to a vertical air conditioner indoor unit and an air conditioner, and belongs to the technical field of air conditioners. The vertical air conditioner indoor unit comprises a vertical air conditioner indoor unit body and a partition plate assembly, the vertical air conditioner indoor unit body comprises a first supporting piece, a second supporting piece, a supporting column, an evaporator and two fans, the supporting column is connected with the first supporting piece and the second supporting piece, and the fans and the evaporator are arranged between the first supporting piece and the second supporting piece. The evaporator surrounds the peripheral sides of the two fans; the partition plate assembly comprises a partition plate and a first limiting piece, the partition plate is arranged between the two fans, the partition plate is connected with the first supporting piece and the second supporting piece through the first limiting piece, and the partition plate abuts against the supporting column and the evaporator. According to the vertical air conditioner indoor unit, the partition plate is arranged between the two fans, the air channels of the two fans are separated through the partition plate, mutual interference between the two air channels is avoided, air outlet of the vertical air conditioner indoor unit is more uniform, and the air outlet efficiency is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2

A ceiling electrical appliance component with high air outlet efficiency and an integrated ceiling electrical appliance

The present invention discloses a ceiling electrical component with high air outlet efficiency, which guides the wind passing through the PTC heating sheet to be blown out of the panel, and the panel is in contact with the middle plate, thereby improving the air outlet efficiency. A ceiling electrical component with high air outlet efficiency, a first grille is provided on the bottom inner wall of the base; a PTC heating sheet is placed on the first grille of the base; the interior of the upper cover is hollow, a second grille is connected between the two top edges of the upper cover, the upper cover is buckled into the base to cover the PTC heating sheet and is connected to the base with screws; the steps of the base are stacked on the middle plate and the lower part of the base protrudes from the middle plate, and the steps of the base are connected to the middle plate by screws; the middle part of the air outlet cover is hollow, and a third grille is provided on the bottom inner wall of the air outlet cover; the air outlet cover is fixed on the third mounting hole, the cover plate is fixed on the outer frame, and the air outlet cover and the second mounting hole are combined to form an air duct; the lower part of the base is inserted into the air duct and the outer wall of the base is in contact with the outer edge of the air outlet cover, and the first grille is opposite to the third grille.
Owner:FSILON BUILDING MATERIAL TECH CO LTD

Bladeless fan

The utility model discloses a bladeless fan. The bladeless fan comprises a main body part, a fan assembly and an air guide part, the fan assembly is arranged in the main body part and comprises two first air outlets which are arranged oppositely; the air guide part surrounds the main body part, the air guide part and the main body part are integrally arranged, two air guide cavities are formed in the air guide part, and the two air guide cavities communicate with the corresponding first air outlets correspondingly; the air guide part is provided with a second air outlet communicated with the air guide cavity, the second air outlet is provided with a plurality of cut-off walls arranged at intervals, the cut-off walls extend to the air guide cavity from the second air outlet, and when the air flow flows into the air guide cavity from the first air outlet, the cut-off walls sequentially cut off part of the air flow. According to the utility model, the air guide part surrounds the main body part and is integrated with the main body part, so that the convenience of production and disassembly is improved, the structure at the part is more compact and attractive, and the use experience of a user can be greatly improved; and the upper, middle and lower air outlet volumes of the second air outlet can be uniform through the arranged intercepting wall, so that the air outlet efficiency is improved.
Owner:GUCHEN (FOSHAN) IND DESIGN CO LTD

Joint assembly of blower

The utility model provides a connector assembly of a hair drier, which comprises a shell, a connector, an air duct piece and a flow guide cover, the shell is provided with a first shell and a second shell which are vertical to each other, the air duct piece is arranged in the second shell, the connector is arranged on the first shell, the air duct piece comprises a flow guide piece, the flow guide piece is provided with a horn-shaped inner cavity, and the flow guide cover is arranged in the first shell. The cavity wall of the inner cavity is enclosed to form the air duct, air enters the air duct in the first direction and exits the air duct in the second direction, the air inlet direction and the air outlet direction can be perpendicular, and the transverse air outlet requirement of the linear air blower is met. Moreover, the air duct is in the shape of a horn which is gradually widened in the second direction, namely, the air duct is gradually widened in the air outlet direction, air outlet is smoother, noise generated in the using process of the hair dryer is reduced, and the use experience of a user is improved.
Owner:LESHOW ELECTRONICS TECH CO LTD

A curling comb with wind and plasma

ActiveCN224612119Usufficient quantityincrease coverage
This utility model relates to a curling comb with airflow and plasma, comprising a handle and a combing head assembly. A fan is installed inside the handle. The combing head assembly includes an outer tube, an inner tube, a front cover plate, and a rear cover plate. The outer tube is connected to the front and rear cover plates at both ends, and has several air outlets. The inner tube is fixedly disposed between the front and rear cover plates within the outer tube, forming an airflow channel communicating with the air outlets. The rear cover plate is fixedly connected to the front end of the handle and has several ventilation openings connecting the airflow channel to the inner cavity of the handle. Several comb teeth on the inner tube extend through the air outlets. This curling comb with airflow and plasma can more comprehensively cover the hair stuck between the comb teeth, achieving better hair drying results during combing.
Owner:ZHEJIANG JINDELI ELECTRICAL APPLIANCES

Breathable and ventilated perforated cushion

The utility model provides a breathable perforated cushion, and belongs to the technical field of cushions. Comprising a cushion body and an air supply assembly, one end of the air supply assembly is connected with an air supply pipeline, a clamping groove is formed in the rear end of the cushion body, a connecting box is clamped and embedded in the clamping groove, an opening allowing the air supply pipeline to be embedded is formed in one end of the connecting box, and the opening can be blocked by the air supply pipeline; one ends of a plurality of air distribution pipes penetrate through the side wall of the connecting box and are communicated with the connecting box, a plurality of air holes distributed at equal intervals are formed in the air distribution pipes, a groove is formed in the top of the cushion body, a plurality of protruding blocks distributed in a rectangular shape are fixed to the inner bottom wall of the groove, and the cushion body is provided with a plurality of air supply holes which are in one-to-one correspondence with the air holes and are communicated with the air holes. The upper end of the air supply hole penetrates through the cushion body and is communicated with the groove, and the air hole is located in the middle of four adjacent convex blocks which are arranged in a rectangular shape. The automobile seat cushion is good in heat dissipation effect, and the comfort of a driver in the driving process is effectively improved.
Owner:ZHEJIANG TIANHONG AUTO PRODUCTS CO LTD

Blowing device

The utility model discloses a blowing device, which relates to the field of household appliances, and is characterized in that the blowing device comprises a box body, an air duct and an air source, the box body at least comprises a mask, and the mask is provided with a first blowing port, a second blowing port and a third blowing port which are sequentially arranged; the air duct comprises an air blowing duct for conveying flowing air flow to the first air blowing opening and the third air blowing opening, and further comprises a branch air duct for conveying air flow to the second air blowing opening; the branch air duct is provided with at least two different inlets. The branch air channel is provided with at least two different inlets, and air entering from the different inlets of the branch air channel can be blown out towards the second air blowing opening in a centralized mode, so that centralized air outlet is achieved, and large-air-volume air outlet of the second air blowing opening is achieved. And moreover, through the first air blowing opening and the third air blowing opening which are sequentially formed in the two sides of the second air blowing opening, two-side air outlet is achieved, the user can freely switch multiple air blowing modes according to the requirements, and the user experience is effectively improved.
Owner:AUPU INTELLIGENT TECH CORP LTD

Centrifugal fan and bladeless fan

This utility model relates to the field of bladeless fan technology, specifically disclosing a centrifugal fan and a bladeless fan, including a volute with an air inlet and an air outlet. An impeller is installed inside the volute, and the impeller is connected to a drive component for driving the impeller to rotate. A semi-enclosed volute tongue structure is provided inside the volute near the air outlet, and a sound-absorbing chamber is formed within the volute tongue structure. A sound-absorbing component is installed in the sound-absorbing chamber. Multiple through holes are formed on the wall of the volute tongue structure near the impeller to make the volute tongue structure semi-enclosed. This allows the aerodynamic noise generated by the airflow and the mechanical noise generated by the impeller rotation to be efficiently concentrated and drawn into the sound-absorbing component through the through holes when the centrifugal fan of the bladeless fan is working, thereby improving the sound absorption and noise reduction effect and improving the user's sleep quality or user experience.
Owner:XIAMEN VORK HEALTH IND CO LTD

Air outlet device and vehicle

The utility model relates to an air outlet device and a vehicle. The air outlet device comprises a shell, an air outlet frame defined by connecting the air outlet frame and the shell, an inner cavity and a blade assembly. The air outlet frame comprises an upper frame; the blade assembly comprises a first blade set, the first blade set comprises first blades, the first blades are arranged in the inner cavity and arranged in the first direction, and each first blade comprises a first blade section and a second blade section; and the second blade sections are arranged on the two sides of the first blade section, and the second blade sections are concave downwards relative to the first blade section so as to enlarge air outlet gaps between the second blade sections and the upper frame. According to the scheme, the air outlet efficiency of the air outlet device is improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Backflow isolation type coarse powder separator

The invention belongs to the technical field of separation equipment, and particularly relates to a backflow isolation type coarse powder separator which comprises a conical barrel, the upper end of the conical barrel is communicated with a barrel cover, the center of the lower end of the conical barrel is communicated with an air inlet pipe, the lower end of the conical barrel and one side of the air inlet pipe are communicated with a backflow pipe, and one side of the barrel cover is communicated with an air outlet pipe. A transmission box is fixedly connected to the inner top wall of the barrel cover, a rotating pipe is rotatably connected to the center position of the barrel cover, the rotating pipe vertically penetrates through the transmission box and is rotatably connected with the transmission box, and the part, located below the transmission box, of the rotating pipe is fixedly sleeved with a flat steel rotor. The coal pulverizing system has the advantages that by arranging the backflow cover, two-phase flow just entering the conical barrel can be prevented from intersecting with falling backflow coarse powder during coarse powder separation work, so that the air outlet efficiency of the coal pulverizing system is improved, the coal pulverizing energy consumption is reduced, and maintenance is simpler and more convenient.
Owner:JIAOZUO WANFANG ALUMINUM MANUFACTURING CO LTD

Air duct structure of window cleaning machine

The utility model discloses an air duct structure of a window cleaning machine, which comprises a protective cover, the inner wall of the rear side of the protective cover is connected with a main pipe body through a bolt, the left side of the main pipe body is closed, the rear side of the main pipe body close to the bottom is communicated and connected with an adsorption pipe, and the rear end of the adsorption pipe is connected to the inner wall of the rear side of the protective cover through a bolt. The positions, close to the top and the bottom, of the right side of the main pipe body communicate with air outlet pipes correspondingly, the ends, away from the main pipe body, of the two air outlet pipes are connected to the bottom and the bottom of the inner cavity of the protective cover through bolts, and the ends, away from the main pipe body, of the air outlet pipes communicate with the outside of the protective cover. According to the technical scheme, the main pipe body, the two air outlet pipes, the grating and other parts are matched with one another, so that air can be discharged from the two sides, the situation that air can only be discharged from one side of the anti-collision wheel due to bending arrangement can be effectively avoided, the air outlet efficiency and suction force are improved, effective adsorption can be conducted, and the service life of the anti-collision wheel is prolonged. The adsorption efficiency and the use efficiency are improved.
Owner:DONGGUAN ENJOY INTELLIGENT TECH CO LTD

A forward curved fan blade, impeller and centrifugal fan

The present invention discloses a forward-curved fan blade, an impeller and a centrifugal fan, wherein the forward-curved fan blade comprises a blade, the blade is arranged in a circular arc curve, the blade is unfolded and a first rectangular coordinate system is established with an end point of the bottom edge of the blade as the coordinate origin, the horizontal axis of the first rectangular coordinate system is the straight line where the bottom edge of the unfolded blade is located, points are taken in sequence in the first rectangular coordinate system, adjacent points are connected by smooth lines, and the horizontal axis of the rectangular coordinate system and the smooth connection line of adjacent points form an unfolded diagram of the blade; through the arrangement of this structure, the air outlet efficiency of the forward-curved fan can be effectively improved and the surge of the forward-curved fan can be reduced.
Owner:FOSHAN CITY NANHAI POPULA FAN

Defoaming device for acrylamide production

The utility model discloses a defoaming device for acrylamide production, which belongs to the technical field of defoaming for acrylamide production, and comprises a defoaming box, two rotating shafts are rotatably mounted between the inner walls of two sides of the defoaming box, the rotating shafts are rotatably mounted at the lower positions of the defoaming box, the same end of each rotating shaft extends to the outer side of the defoaming box, and the defoaming box is arranged in the defoaming box. A group of supporting rods which are located in the defoaming box and are perpendicular to each other are fixedly connected to the two ends of each rotating shaft, every two supporting rods form a group, a plurality of liquid turning plates which are arranged in an annular array and used for turning a solution are fixedly connected between every two adjacent fixing rings, the solution turning plates turn the solution from the bottom to the bottom, and a transmission box is arranged on one side of the defoaming box; the ends, extending out of the defoaming box, of the rotating shafts are all arranged in the transmission box, the rotating shafts rotate to drive the fixing rings to rotate, the fixing rings rotate, liquid in the defoaming box is turned upwards from the bottom through the liquid turning plates, air in the liquid is fully turned out, and the efficiency of eliminating the air in the liquid is improved.
Owner:JIANGSU CHANGJIU AGROCHEMICAL CO LTD