76results about How to "Even air intake" patented technology

The invention relates to the field of drying equipment, in particular to an inflatable-seal-type cross-flow drying oven with dual drying cars, which has the advantages of even drying, large processing capacity, good sealing property and high heat utilization rate. The drying oven comprises a oven body (1); two drying chambers (2) are arranged in the oven body (1) symmetrically; a fresh air inlet (3), a moisture outlet (4) and an air draft device are arranged at the top of the oven box (1) respectively; an air-out chamber (5) is arranged between the drying chambers (2); an air-in chamber (6) is formed among the top of the drying chamber (2), the side of the drying chambers (2) close to the oven body (1) and the oven body (1); drying cars (7) are arranged in the drying chambers (2); a filter (8) is arranged at the side, close to the air-in chamber (6), of the drying chambers (2) and the other side is communicated with the air-out chamber (5) by an inflatable-seal device; the filter (8) is arranged at the part corresponding to the air draft device, above the air-out chamber (5); the fresh air inlet (3) is communicated with the drying chambers (2) by a heater (9) arranged in the air-in chamber (6); and the moisture outlet (4) is connected with the air draft device.

The invention discloses a variable cross-section flow rectifier for square column wall surface attached type uniform air feeding. The variable cross-section flow rectifier for square column wall surface attached type uniform air feeding comprises an air inlet pipe and a shell, and further comprises a variable cross-section air feeding passage. The shell is a concentric-square-shaped barrel with a sealed upper end, and the lengths of the four sides of the barrel are the same. A square column is sleeved with the shell and the inner wall of the inner barrel of the shell is closely attached to the outer wall of the square column. The air inlet pipe is installed at the upper end of the variable cross-section air feeding passage and communicated with the variable cross-section air feeding passage. The axis of the air inlet pipe and the axis of the shell perpendicularly intersect. The variable cross-section air feeding passage is barrel-shaped and located in the upper half of the shell, and the lower end port of the variable cross-section air feeding passage is communicated with the shell. The variable cross-section flow rectifier for square column wall surface attached type uniform air feeding can improve the indoor air quality of buildings and hot comfort and health of people, and is applicable to a building ventilation air-conditioning system which comprises a square column structure and realizes attached air feeding through a concentric-square-shaped seam air port.

The invention discloses a Heller type air cooling tower, which comprises a cooling unit and a heat dissipating unit; the cooling unit comprises an annular heat exchanger formed by a plurality of setsof cooling triangles arranged annularly and an air inlet structure, wherein the air inlet structure is arranged annularly, and the air inlet structure is arranged annularly and located at the outer ring of an annular heat exchanger; the heat dissipating unit comprises a double-curve cooling tower, which is located above the cooling unit, and the air inlet structure of the cooling unit is an air inlet diversion type air inlet structure: the air inlet diversion type air intake comprises a plurality of inlet air direction adjusting devices, and the inlet air direction adjusting devices comprise air inlets and an air inlet diversion plates, and the right sides of the air inlets are hinged with the air inlet diversion plates by a hinged structure; diversion plate positioning structures are arranged between the air inlets and the air inlet diversion plates, and the diversion plate positioning structure can position the air inlet diversion plates at different rotation angles. The Heller typeair cooling tower is applied to air cooling generator sets of large thermal power plants, which can improve the heat exchange efficiency of existing Heller type air cooling tower.

The invention discloses an improved closed cooling tower. The tower comprises a tower body, an air inlet and an air outlet, the air inlet is arranged at the lower portion of the tower body, the air inlet is formed by air inlet gratings, a bearing frame is arranged in the air outlet, a fan is fixed on the bearing frame, a water collecting device is arranged in the tower body below the fan, a water spray and distribution system is arranged below the water collecting device, the water spray and distribution system comprises a spray tube and a plurality of double-spray heads arranged below the spray tube, an evaporative coiler is arranged below the water spray and distribution system, the evaporative coiler is placed on a shelf, the shelf is fixed at the lower portion of the tower body, a water collecting tank is arranged at the bottom of the tower body, a filter screen is arranged over the water collecting tank, a water inlet is arranged at one side of the water collecting tank, and the water inlet is communicated with the spray tube through a water tube. According to the invention, the air inlet is formed by the air inlet gratings, so the air entrance is uniform; and the double-spray-head structure in the water spray and distribution system causes sufficient and uniform water spray, so sprayed water fully exchanges heat with the evaporative coiler and also fully exchanges heat with air, thereby the heat rejection amount is substantially increased.

The invention discloses a dense-medium dry separation equipment, which comprises a fluidized bed, a tank body, a material guiding and propelling device, an air distribution device, a scraper conveying device and a material taking and screening device, wherein the fluidized bed is used for separating materials; the tank body is used for providing a space and installation equipment for forming of the fluidized bed; the material guiding and propelling device is used for guiding the materials into the fluidized bed along the side end of the fluidized bed to be loosened and layered and propelling the materials to move forwards; according to the air distribution device, compressed air passes through an air distribution plate to acquire pressure difference and is then conveyed into the fluidized bed to be sufficiently, evenly and stably fluidized, and clean coal, middings coal and gangue are separated in an optimal manner; the scraper conveying device is a large-scale scraper conveying device for the dry separation equipment, an anti-deformation measure is adopted by scrapers in order to prevent wider scraper components from deforming, and the separated gangue and middings coal are discharged from the scrapers; and after the materials pass through the separating fluidized bed, the clean coal is taken out from the material taking and screening device at the fluidized bed side, and dense media are screened out and return to the fluidized bed in the material taking process. The dense-medium dry separation equipment disclosed by the invention can overcome the defect of incapability of fluidizing and separating caused by blockage of an air outlet.

The invention relates to an electric and automatic air distributor for ships. The electric and automatic air distributor comprises a box body. An air inlet device, an adjusting device and an air outlet device are arranged inside the box body. The air inlet device comprises an air inlet and an air inlet flow rectifier, wherein the air inlet is formed in the box body, and the air inlet flow rectifier is arranged on the inner side of the box body and connected with the air inlet. The air inlet flow rectifier is cylindrical. Ventilation holes are evenly distributed in the side wall of the air inlet flow rectifier. The adjusting device comprises an actuator and a valve plate. The valve plate is connected to the output end of the actuator and is in a left-right moving state inside the air inlet flow rectifier. The air outlet device comprises an air outlet and an air diffuser, wherein the air outlet and the air diffuser are arranged at the bottom of the box body, the air diffuser is installed at the air outlet, and five air outlet faces of the air diffuser are evenly provided with evenly-distributed ventilation holes. The actuator integrates an air quantity sensor and a temperature sensor and is connected with a computer control unit. The valve plate moves in the air inlet flow rectifier to adjust the effective ventilation length of the cylindrical flow rectifier so as to control the air inlet quantity and pressure, so that the temperature is adjusted, and the automatic adjustment function is achieved.

The invention discloses a cabinet air conditioner, an air conditioner and an air outlet control method for the cabinet air conditioner. The cabinet air conditioner comprises a shell, an air outlet device, a first centrifugal fan and a second centrifugal fan, wherein an air duct is formed in the shell; the air outlet device is fixed in the shell and comprises three air outlet structures which are transversely arranged at intervals, the three air outlet structures all communicate with the air duct, and an air channel is formed between every two adjacent air outlet structures and penetrates through the shell in the front-back direction; and the first centrifugal fan and the second centrifugal fan are located in the air duct, arranged below the air outlet device and vertically arranged in a spaced mode, the first centrifugal fan is located below the second centrifugal fan, and the power of the first centrifugal fan is higher than the power of the second centrifugal fan. By adoption of the technical scheme, the air volume and the air outlet mode of the cabinet air conditioner can be effectively adjusted, and thus the temperature of indoor air can reach the set temperature effectively and rapidly.

The invention provides a wind-uniformizing plate. The wind-uniformizing plate comprises a plate body and a plurality of through hole arrays having the consistent hole shape and arranged on the plate body, wherein each through hole array is corresponding to an anode tube in an electrostatic dust removal unit. Through the structure improvement, the wind-uniformizing plate provided by the invention is capable of realizing a better uniform wind-intake effect, and then increasing the dust removal efficiency; in addition, the wind-uniformizing plate is capable of guaranteeing continuous normal working of a dust remover, and avoiding the problem of failed dust removal of the traditional wind-uniformizing plate due to that dust enters an insulation position of an electrostatic dust removal unit, thus the fault rate of dust removal equipment is reduced, the working efficiency is correspondingly increased, and the cost is reduced.

The invention discloses a flow guide ring, a centrifugal fan and an air conditioner. The flow guide ring comprises an air inlet portion and an air outlet portion which are connected, the air inlet portion comprises a first flow guide arc face, and the air outlet portion comprises a second flow guide arc face. According to the scheme, the defect that air intake and air exhaust of a centrifugal volute of the centrifugal fan are not uniform in the prior art can be overcome. Since the flow guide ring comprises the first flow guide arc face of the air inlet portion and further comprises the secondflow guide arc face of the air outlet portion, due to the existing of the second flow guide arc face, the second flow guide arc face can form a convex face at the outer edge of the inlet of the flow guide ring and the outlet of the flow guide ring, accordingly wall face attaching flow of the flow guide ring on the outer edge of the inlet and the outlet is enhanced, and air intake and air exhaust of the centrifugal volute of the centrifugal fan can be uniform.

The invention discloses a drying device based on a swing type air guide plate. The drying device comprises a box body, a draught fan, a heater, an air inlet and an exhaust opening, wherein the air inlet and the exhaust opening are formed in the box body; multiple layers of partition boards are arranged in the box body, the upper layer partition board and the lower layer partition board are supported through adjusting columns with the adjustable height, the air guide plate is arranged at the position, on one side of the air inlet, in the box body, an air guide opening is formed in the air guideplate, a crankshaft is arranged on the lower portion of the air guide plate, and is connected with the air guide plate through a second bearing, the crankshaft is in transmission connection with a drive device, and a connecting rod mechanism is arranged between the upper surface of the air guide plate and the top wall of the box body. The air guide plate which can swing up and down is adopted, air input is uniform, through adjusting of the rotating speed of the drive device, the swing frequency of the air guide plate is changed, manual adjusting is not needed, the air inlet speed and the airflow direction are changed, and parts on the partition board are heated evenly and rapidly.

The invention discloses an integrated cooker with an air guide device. The integrated cooker with the air guide device comprises a cooker body and a cooking fume suction device. The cooking fume suction device comprises a cooking fume intake device standing on the back side of the cooker body, and the cooking fume intake device comprises a front side wall, a back side wall and a cooking fume channel located between the front side wall and the back side wall. The front side wall is provided with an air inlet. The top of the cooking fume channel is provided with a top plate. The air guide deviceis arranged in the cooking fume channel and comprises a first air deflector arranged on the front side wall. The first air deflector is provided with a portion which bends and protrudes towards the back side wall. The integrated cooker with the air guide device is characterized in that the air guide device further comprises a second air deflector extending between the top plate and the back sidewall, and the second air deflector is provided with a portion bending and protruding towards the top plate and the back side wall. By arranging the air guide device meeting the flowing feature of thecooking fume flow, air intake resistance force is smaller, air intake is more uniform, vortex at the air inlet is remarkably eliminated, and therefore a better cooking fume intake effect is achieved.

A management and utilization system of environmental wind of a cooling tower relates to a system for managing and utilizing environmental crosswind around the cooling tower of a thermal power plant wet cooling unit. A device of the system is composed of guide plates, a guide plate separation membrane, a communicated wind collecting pipe (or an air bellow), an inlet check valve, a wind distribution pipeline and a hood. The management and utilization system uses the guide plates to divide an exhaust inlet of the cooling tower into two areas. An inner area is surrounded and protected by the guide plate 2 to be capable of being matched with an air inlet of the cooling tower to build a stable air inlet flow field. An outer area is divided into a plurality of guide zones by using a middle separation plate between the guide plate 2 and the guide plate 1 according to needs, and wind coming from the outer area is guided by the guide zones to be led in the wind collecting pipe (or the air bellow) through the check valve designed on the wind collecting pipe (or the air bellow). A check valve on a leeward or crosswind face is closed, wind in the wind collecting pipe (or the air bellow) serves as motive power airflow to be blown to a raining area in the cooling tower through the wind distribution pipeline, and the hood at a port of the wind distribution pipeline prevents circulating water from dropping in the wind distribution pipeline.

The invention discloses a fixed bed continuous upper suction gasification furnace for waste disposal. The fixed bed continuous upper suction gasification furnace comprises a furnace body, a dispersion frame is installed inside the furnace body, an exhaust port is formed in the top end of the furnace body, a storage bin is installed at the bottom end of the furnace body, and a feeding pipe is installed on the side surface of the furnace body. A new process of low temperature pyrolysis incineration is adopted, garbage is dried, pyrolyzed and combusted in the furnace at low temperature, so that the defects caused by high-temperature combustion are avoided, the garbage is fully combusted, heat energy is fully utilized, non-smelting slag such as non-combustible ash content can reach a higher combustion efficiency through a novel structure of the furnace on the basis of fully restraining generation of harmful substances such as dioxin, polycyclic hydrocarbon, aldehydes and carbon dioxide, iron products can be conveniently collected and prevented from entering the interior of the furnace body through arranged magnetic bars, and larger residues can be conveniently discharged through arrangement of a adjustable grate frame structure.

The invention relates to a hot air distribution device, in particular to a hot air distribution device of a spray-drying tower, and belongs to the technical field of drying. The hot air distribution device comprises three inverted-frustum-shaped casings concentrically mounted in a sleeve manner, wherein the three inverted-frustum-shaped casings are connected through a top cover; the upper part of the outer inverted-frustum-shaped casing is divided by a cylinder to form an air inlet volute, and a plurality of air inlet pipes are evenly arranged on the cylinder to communicate the air inlet volute with an air channel formed by the outer inverted-frustum-shaped casing and the middle inverted-frustum-shaped casing; flow guiding plates are evenly mounted at the lower part of the outer wall of the middle inverted-frustum-shaped casing; the inner inverted-frustum-shaped casing provided with a centrifugal atomizer is located inside the middle inverted-frustum-shaped casing; the air inlet volute is connected with an outer air channel. With the adoption of the hot air distribution device, hot air can be more evenly distributed when entering the drying tower, distribution of fog drop groups can be controlled, the hot air and fog drops are fully and evenly mixed and dried, and wall sticking and top sticking phenomena are avoided to the maximum extent.

The invention relates to the field of wellhead anti-freezing and discloses a wellhead anti-freezing far-infrared heating device. The far-infrared heating device comprises a heating box and an air blower and further comprises an intelligent control cabinet connected with the heating box and the air blower, wherein the air outlet of the air blower is connected with the air inlet of the heating box;a plurality of heating modules are fixed inside the heating box; heating elements are arranged on the heating module; the heating elements are arranged in a staggered manner in the heating box; and anair distributor is arranged at the air inlet of the heating box. According to the far-infrared heating device disclosed by the invention, heat is supplied by the far-infrared heating box, and a silicon controlled pressure-regulating control system is matched to achieve the aims of safety operation and accurate control; the heating elements are distributed in a staggered manner, the air distributor is matched to enable the overall air inlet to be uniform, the pressure loss of cold air is less, the cold air can uniformly pass through the outer walls of the heating elements, and the heat exchange ratio is close to 100%; and the whole equipment has the characteristics of being energy-saving, consumption-reducing, safe, environment-friendly and convenient to operate and has excellent market popularization prospects.

The invention discloses an energy-saving fresh air system for a clean room. The fresh air system comprises three air flues, the first air flue comprises fresh air subjected to heat exchanging with return air in an air return main channel, the second air flue comprises return air exhausted from a return air auxiliary channel and filtered through a first filter unit, and the third air flue comprisesreturn air entering a multi-stage filter unit from the return air main channel to be purified. When air exhausted out of the return air main channel is low in cleanliness degree, high in filter costor incapable of being purified to the needed cleanliness, return air waste can be directly exhausted to an air treatment chamber. Due to design of the fresh air system, the fresh air need amount in the clean room can be greatly reduced, and the energy consumption of the fresh air unit can be greatly reduced.

An arc-shaped V-shaped filter with a replaceable filter element comprises an outer frame flange in a square frame shape, symmetrical supporting frames are connected to the two side walls of the outer frame flange, each supporting frame comprises a plurality of continuous trapezoidal plates, V-shaped grooves are formed in the inner side faces of the trapezoidal plates, and openings of the V-shaped grooves face the outer frame flange; the bottom ends of the symmetrical trapezoidal plates on the two sides are fixedly connected with a bottom plate, the top ends of the V-shaped grooves in the inner side faces of the symmetrical trapezoidal plates on the two sides are detachably connected with a cover plate, the two side edges of the filter element are connected with the V-shaped grooves in the trapezoidal plates on the two sides respectively, and the top end and the bottom end of the filter element are connected with the cover plate and the bottom plate respectively; the plurality of continuous trapezoidal plates in the support frame are arranged in an arc shape; and the air inlet surface of the filter is changed into the cambered surface from the plane, and air uniformly enters the filter through the filter element, so that high resistance caused by processing of excessive air by part of the filter element is reduced, the effective filtering area of the filter element is increased, the overall resistance of the filter is reduced, and the air bearing capacity of the filter is improved.

The invention discloses an electrical cabinet for electrical equipment control, which relates to the technical field of electrical cabinets. The cabinet comprises a cabinet body, at least one air inlet part is installed on the cabinet body, and the air inlet part comprises an air inlet shell, a rotating part, a bent pipe and a dust collection box; a rotating part is rotationally mounted between the two opposite inner side faces of the air inlet shell, one end of the rotating part penetrates through the air inlet shell to be communicated with the outside, and the other end of the rotating part penetrates through the air inlet shell to be communicated with the dust collection box through a bent pipe; and any extending end of the rotating part is in transmission connection with a motor belt through a belt. The rotating part is driven by the mounted motor, the rotating part is internally provided with the blades for pushing air into the cabinet body, and the rotating rotating part extracts external air into the cabinet body through the blades, so that heat dissipation of electronic components in the cabinet body is completed.

The invention provides production and processing equipment and method for high-glossiness draw-textured yarn, and relates to the technical field of spinning. The production and processing equipment for the high-glossiness draw-textured yarn comprises a rack, a mounting plate fixedly connected to the side wall of the rack and a cross beam fixedly connected to the inner side of the rack. According to the production and processing equipment and method for the high-glossiness draw-textured yarn, the refractive index and transmissivity of fiber are ensured through four-leaf spinneret orifices, polymer dissolution caused by nano Ag2O during modification, addition and blending in the later stage can be prevented by using a chemical coprecipitation method, the interfacial effect of solid-liquid reflection is reduced through pulping operation, and the esterification rate in the polymerization process is improved. A pressurized esterification processing technology is adopted, the reaction activity is guaranteed, the reaction rate is increased, air is blown by an air blower to enter an annular blowing channel to cool tows, the air filtered by an air filter box is free of impurities, tow surface pollution is avoided, and meanwhile air pressure is adjusted by an air pressure adjusting box. The problems of many broken filaments and easy end breakage of the tows are greatly reduced.

Provided is a divided vertical sinter cooler. The divided vertical sinter cooler (A1) comprises a material bin (1), a tower (2), a dividing frame (3), an air feeding device (4), a discharging conicalhopper (5) and a hot air outlet (9), wherein the material bin (1) is arranged over the tower (2); the dividing frame (3) is arranged inside the tower (2) and located on the lower portion of the tower(2); the air feeding device (4) is arranged at the bottom of the tower (2); the discharging conical hopper (5) is arranged below the tower (2); the dividing frame (3) divides the lower part of the interior of the tower (2) into a plurality of independent spaces; and the hot air outlet (9) is arranged on the upper portion or the top of the tower (2). The interior of the tower of the vertical sintercooler is divided into a plurality of areas, the air flow and material flow uniformity is ensured, and the waste heat recovery rate is greatly improved through countercurrent heat exchange.

The invention discloses an agricultural rice airing device which comprises a base. A sliding groove is formed in the outer wall of the bottom of the base, a sliding plate is slidably connected to theinner wall of the sliding groove, a locking bolt is rotatably connected to the outer wall of one end of the base, a shovel plate is installed on the outer wall of the bottom of the sliding plate, discharging grooves distributed at equal intervals are formed in the outer wall of the top of the shovel plate, a storage shell is installed on the outer wall of the top of the base, a feeding hopper is installed on the outer wall of the top of the storage shell, and a first dust removal shell is installed on one side of the outer wall of the top of the base. According to the agricultural rice airingdevice, a motor is arranged to drive a sweeping roller on an air inlet hopper to rotate to sweep the ground for rice to-be-aired, dust, chippings and the like on the ground are prevented from being mixed with the rice, and the rice airing purity is improved; and by arranging an air extracting pump, the dust, chippings and the like swept by the sweeping roller enter the first dust removal shell through an air inlet pipe, a gas inlet pipe and the like, and rapid cleaning of the ground is achieved.

A small-sized centrifugal fan for range hoods, including a wind drum, a wind wheel and a motor, wherein the wind drum is a semi-closed shell structure, including a wind drum bottom shell and a wind drum surface shell, and the wind drum bottom shell is set There is a motor fixing hole, and the motor is fixed on the fixing hole of the bottom shell of the air drum. The projection of the center of the air inlet and the air inlet on the plane where the bottom shell of the air drum is located coincides with the center of the motor fixing hole. The characteristic is that the bottom shell of the air drum and the center of the air drum The edge contour of the flow channel in the surface shell is connected by a straight line AB, a helical curve BC, a circular arc line CD and a straight line DE with a smooth transition in sequence, and the straight line AB and the helical curve BC are tangent at point B, and the helical curve BC is tangent to the circle The arc CD is tangent to the point CD, and the circular arc CD is tangent to the straight line DE at the point D. Compared with the prior art, the present invention makes the air intake on both sides of the impeller more uniform and the air flow inside the wind drum more uniform by optimizing the flow channel profile in the wind drum and the design of the wind wheel, which can greatly improve the air volume and energy efficiency.

The invention provides a tunnel type slag-hole-adjustable continuous fuming furnace. The furnace comprises a hearth, wind holes, a feeding hole, a slag discharging hole and a vertical-lift flue, wherein the hearth is designed into a tunnel type structure; the wind holes are formed in two sides of the bottom of the hearth, the feeding hole and the slag discharging hole are respectively formed in the head and tail ends of the hearth, and the heights of the tops of the hearth from the feeding hole to the slag discharging hole are designed to be increased in a step manner; the vertical-lift flue is arranged at the top of a slag discharging end of the hearth; the height of the slag discharging hole can be adjusted. The tunnel type slag-hole-adjustable continuous fuming furnace has the advantages that the production is continuous, process parameters are easy to control, and the steam produced by the waste heat of the flue gas is continuous and stable; a pulverized coal preparation system is not needed.

The invention discloses a smoking bin device and a using method thereof. The smoking bin device comprises a left side plate assembly, a right side plate assembly, a rear plate, a top plate, a bottom plate and a door assembly, the left side plate assembly, the rear plate, the right side plate assembly, the top plate, the bottom plate and the door assembly are mutually connected to form a square space, an external air inlet is formed in the upper portion of the door assembly, a purification assembly is arranged on the middle upper portion of the rear plate, the purification assembly comprises afirst filter screen, an internal air inlet, a second composite filter screen and at least one set of draught fans which are sequentially arranged from front to back, the second composite filter screencomprises an activated carbon layer, a sterilization layer and an HEPA layer, and an air outlet is formed in the position, corresponding to the rear portion of an outlet of the draught fan, of the top plate. The smoking bin device is short in air flowing distance, uniform in air inlet of the purification assembly, high in utilization rate, high in air circulation speed, capable of reducing indoorsmoke accumulation and sedimentation, good in air exchange effect, thorough in sterilization and air purification and capable of improving the use comfort of a user.

The invention discloses a fixed bed continuous upper suction gasification furnace power generation system for waste disposal. The fixed bed continuous upper suction gasification furnace power generation system comprises a furnace body and a steam generation structure, by adopting a new low-temperature pyrolysis incineration process, garbage is dried, pyrolyzed and combusted in the furnace at low temperature, so that the defects caused by high-temperature combustion are avoided, the garbage is fully combusted, through the novel structure of the furnace, non-smelting slag such as ash content achieves higher combustion efficiency on the basis of fully restraining generation of harmful substances such as dioxin, polycyclic hydrocarbon, aldehydes and carbon dioxide, iron products are collected through arranged magnetic rods and prevented from entering the furnace body, a adjustable grate frame structure is arranged, larger residues can be conveniently discharged, heat generated by pyrolysis can be utilized for power generation, waste of resources is avoided, tail gas generated by the pyrolysis can be effectively treated, and pollution to the environment is reduced.

The invention discloses detachable air knife capable of discharging air uniformly, which comprises an air knife body, wherein the air knife body comprises an air inlet pipe, one end of the air inlet pipe is closed, the other end of the air inlet pipe is open, the air inlet pipe is connected with a fan, a connecting plate is fixed to the side surface of the air inlet pipe from the bottom, an air outlet plate is fixed to the bottom of the connecting plate, an air outlet is formed in the air outlet plate, a flow equalizing air cavity used for evenly guiding air flow in the air inlet pipe to the air outlet to flow out is formed among the air inlet pipe, the connecting plate and the air outlet plate. The air knife is simple in structure, and the flow direction of internal air flow is improved and the stability is improved by changing the structure of the internal flow equalizing air cavity, so that the problems that the blown-out air force is not uniform and the air knife is prone to deformation are solved.

The invention provides a panel structure capable of achieving uniform air input, an air conditioner indoor unit and an air conditioner. The panel structure comprises a first panel (11) which can be connected to the panel body (2) of the air conditioner and can be pushed out to form a first air inlet region (31) at the joint with the panel body (2), and a second panel (12) which can also be connected with the panel body (2) of the air conditioner and can be pushed out to form a second air inlet region (32) at the joint with the panel body (2), wherein the second panel (12) can also be pushed out relative to the first panel (11) to form a third air inlet region (4) at the joint of the second panel (12) and the first panel (11). Air can enter a middle section of an internal heat exchanger (anevaporator), thus, uniform air input of all section of the heat exchanger can be achieved, the air input amount is increased, and the energy efficiency of the air conditioner is improved.

The invention discloses a tea withering room capable of saving energy consumption. The tea withering room comprises a room body, wherein a plurality of air inlet pipelines passing through the room body from the front side to the back side are arranged in the room body; withering tanks are arranged between every adjacent two air inlet pipelines; two sides of the bottom parts of the withering tanksare connected with the lateral air inlet pipelines by one group of ventilating pipelines; one group wind shields are arranged in the air inlet pipelines; the wind shields are arranged behind a connection position of the air inlet pipelines and the ventilating pipelines; and the distance from the wind shields, from the front to the back, to the central axes of the air inlet pipelines gradually decreases. According to the tea withering room disclosed by the invention, natural wind is introduced into the withering room by the air inlet pipelines and the ventilating pipelines, and tea in the withering tanks can be subjected to withering operation by the natural wind.

The invention discloses an air purification device which comprises a housing, wherein an air inlet and an air outlet are formed in the housing; a filter element assembly, a germicidal lamp module and an air duct are sequentially arranged between the air inlet and the air outlet inside the housing; an air wheel is mounted in the air duct; the diameter of the air wheel is D; the air duct comprises a pipeline composed of a bottom plate, side walls and a cover plate; a circular diversion inlet corresponding to the air wheel is formed in the cover plate; the side walls are of a spiral involute structure; and a divergent flow channel composed of a straight line A and a straight line B is formed at the outlet of the air duct. According to the air purification device provided by the invention, air can be purified by a multiple purification module, the purification effect is excellent, and the effects of high filtering efficiency, large air outlet quantity, long conveying distance of clean air and low noise are achieved.