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

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 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 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.

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 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.

The invention provides a harvester fan. The harvester fan comprises a fan shell, a fan structure and a fan driver. The fan structure is mounted in a cylindrical mounting cavity of the fan shell, and first air inlets communicating with the outside are formed at the two ends of the fan shell in the axial direction correspondingly. An air outlet is formed in the side wall of the fan shell in the axial direction of the fan shell, and the width of the air outlet is equal to that of the mounting cavity. A second air inlet is formed in the side wall, opposite to the air outlet, of the fan shell in the circumferential direction of the fan shell, and the second air inlet is located in the middle of the fan shell in the axial direction of the fan shell. The second air inlet is formed in the middle of the shell and matched with the first air inlets at the two ends of the fan shell, three air inlets evenly distributed in the fan shell are formed, enough air inlet amount is provided, and meanwhile air inlet is more uniform.

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.

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 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.