59results about How to "Increase air suction" patented technology

The invention discloses a refined rice processing method. The refined rice processing method comprises the following steps of rice screening, stone removal, magnetic separation and rice shelling, rice-bran separating, secondary shelling, thickness grading, moisture measurement and drying or atomizing, rice milling and white rice grading, rice cooling, polishing, color sorting, secondary white rice grading and moisture content detection, and packaging. The refined rice processing method comprises a plurality of impurity removal steps, and consequently, the purity of rice is guaranteed, the produced rice is high in purity, and the safety and the processing efficiency in the processing process are guaranteed. In the rice shelling and rice milling steps of the refined rice processing method, the material temperature is strictly controlled so that the material can be always kept in a relative low temperature appropriate environment, and the crack ratio and the broken rice rate can be reduced and the complete particle rate can be increased; the original faint scent of rice is maintained. The refined rice processing method is used for solving the problems of surface damage and uneven polishing in the rice polishing process by controlling the polishing water temperature and the dampening amount; as a result, the surfaces of all the rice grains polished can be kept smooth and clean, and the quality guarantee period of the rice can be prolonged.

The invention discloses an air conditioner with a novel air inlet system. The air conditioner comprises a shell, a volute assembly, a driving device and dual centrifugal wind wheels, wherein the shell comprises a back plate, a left side plate and a right side plate; the back plate is provided with a first air inlet; the left side plate is provided with a second air inlet; the right side plate is provided with a third air inlet; the volute assembly is connected with the back plate; an installing cavity is formed in the volute assembly; the volute assembly is provided with a back exhaust inlet communicated with the first air inlet, and a front exhaust inlet communicated with the second air inlet and the third air outlet; the driving device is connected with the back plate; the dual centrifugal wind wheels are arranged in the installing cavity, and are connected with the driving device. According to the embodiment of the invention, the working efficiency of the air conditioner is increased, the sizes of the centrifugal wind wheels and air conditioner are reduced, the cost is reduced, and the air conditioner is small in size and attractive in appearance.

The invention relates to an oil cooler of a traction transformer of an electric motor unit, which comprises two heat exchangers, two air inlet boxes and a fan box, wherein the two heat exchangers are respectively connected with the two air inlet boxes; the fan box is arranged between the two air inlet boxes. The fan box is formed by sheathing an upper casing and a lower casing. Both two installation ends of the upper casing are fixed on the side surface of the air inlet box, and both ends of the lower casing are fixed on the bottom surface of the air inlet box. The lower casing is provided with an air exhaust opening. A motor bracket is fixed on and connected with the lower part of the upper casing. A two-speed dual-axle variable-frequency motor is hung on the motor bracket. Two main shafts of the two-speed dual-axle variable-frequency motor are respectively provided with an impeller. The air inlet boxes are fixed on and connected with the two ends of the motor bracket. Both ends of the motor bracket are provided with horn-shaped air inlets. The impellers, the air inlets and air inlet holes are oppositely arranged. The cooler adopts a split structure, therefore the assembly and maintenance are convenient; the two-speed dual-axle variable-frequency motor has wide power varying range, the traction transformer with wide power varying range in the electric motor unit can be cooled, and the cooling effect is good.

The invention discloses an air purifier with an air outlet externally connected with a flow guide port. The air purifier comprises a shell, a double-suction type centrifugal fan and a filter assembly, wherein the double-suction type centrifugal fan comprises an air duct frame with a certain internal space and a double-suction impeller mounted in the air duct frame; the filter assembly is mounted between the double-suction type centrifugal fan and the shell; the shell is provided with an air suction inlet used for sucking external air into the shell and the air outlet used for discharging filtered air; the air outlet of the shell is externally connected with an upper cover assembly. The upper cover assembly comprises a cover frame with the upper portion open, an air outlet grid used for covering the cover frame and the funnel-shaped flow guide port mounted in the cover frame. The flow guide port is communicated with the outer side of the air outlet of the shell. The air purifier has the beneficial effects that the air outlet volume of the air purifier can be increased while the air inlet volume of the air purifier is increased, and therefore the purification effect of the air purifier is maximized.

A range hood with an auxiliary air inlet function comprises a range hood body and a panel arranged on the range hood body. An air suction turbine is arranged in the range hood body, an air inlet of the air suction turbine is connected with a smoke inlet in the panel, and an air outlet of the air suction turbine is connected with a smoke discharging pipe after being provided with a smoke discharging seat. The range hood is characterized in that an auxiliary air inlet device is arranged between the smoke discharging seat and the smoke discharging pipe or between the air suction turbine and the smoke discharging seat, and the auxiliary air inlet device can draw air from the outside of the range hood body to be fed into the smoke discharging pipe. The rang hood has the beneficial effects that due to the unique auxiliary air inlet structure, the total air suction amount of the range hood is the sum of the air suction amount of the air suction turbine and the air suction amount of the auxiliary air inlet device, and compared with the traditional technology, the air inlet amount of the range hood body can be increased, and the work efficiency of the range hood can be improved; and air in a kitchen can be accelerated to flow outwards through the range hood with the large air inlet amount, and it is guaranteed that the air environment of the kitchen is fresh.

The invention discloses a vinegar liquid state fermentation device and a working method thereof, and provides the vinegar liquid state fermentation device which is low in energy consumption and economical and reasonable in technology, satisfies national energy-saving and emission-reduction strategies and can ensure the fermentation quality and the working method thereof. The device comprises a fermentation tank, wherein the fermentation tank is provided with a gas inlet, a stirrer, a feed supplement tank and an offgas discharge outlet, the offgas discharge outlet is externally and sequentially connected with a cooler 1, a blower, an absorption tower, a storage tank and a pump, and a pipeline 1 communicated with the absorption tower and a pipeline 2 communicated with the feed supplement tank are arranged behind the pump; a recycling medium is filled into the storage tank; a cooler 2 is arranged on the pipeline 1; an ultrafiltration bacterium removing device is arranged on the pipeline 2; and an air inlet and a liquid outlet are formed in the bottom of the absorption tower, and an empty port and a spray port are formed in the top of the absorption tower. A cooling-circulation absorbing-microfiltrating-backflow fermenting combination technology is adopted, so that active ingredients (ethanol, ethyl acetate and ethyl lactate) in fermentation offgas can be efficiently recovered.

The invention discloses a double-tubular-jet air conditioner with the adjustable induced air volume and an indoor unit of the air conditioner. The indoor unit comprises at least two air conditioner bodies; a through air duct is formed between the first air conditioner body and the second air conditioner body which are adjacent to each other; a back-end air drawing port is formed between the back ends of the air conditioner bodies; an upper-end air drawing port is formed between the upper ends of the air conditioner bodies; an air supply port is formed between the front ends of the air conditioner bodies; air outlets of the air conditioner bodies are located in the through air duct; the first air conditioner body and the second air conditioner body are configured in such a manner that air outside the first air conditioner body and the second air conditioner body enters the through air duct via the back-end air drawing port and the upper-end air drawing port under the negative pressure produced in the through air duct during rotation of cross-flow fans, and the air in the through air duct is sent out via the air supply port. The air drawing ports includes the back-end air drawing port and the upper-end air drawing port, the air drawing range is enlarged, the air drawing volume is greatly increased, the air drawing effect is improved, and outlet air of the air supply port is milder and more comfortable. According to the double-tubular-jet air conditioner and the indoor unit of the air conditioner, the air drawing volume of the through air duct can be adjusted through an air volume adjusting part, and different air drawing volume requirements of users can be met.

The invention discloses a multistage cyclic drying system used for feeding particle aureomycin. The multistage cyclic drying system comprises a draft fan, a dust remover, a cyclone separator, a multistage drying mechanism and a preheater, wherein inlets and outlets of the parts are sequentially communicated through pipelines; the pipeline between the multistage drying mechanism and the preheater is a first pipeline; the first pipeline is provided with a pelletizer; a dust exhaust opening of the cyclone separator is provided with air seal machinery; an inlet of the air seal machinery is communicated with the dust exhaust opening of the cyclone separator through the pipeline; an outlet of the air seal machinery is provided with a three-way valve; the three-way valve comprises a first interface, a second interface and a third interface; the first interface and the outlet of the air seal machinery are communicated through the pipeline; the second interface and the multistage drying mechanism are communicated through the pipeline; and the third interface of the three-way valve is provided with a material collecting device. The multistage cyclic drying system can be used for realizing multistage cyclic drying of feeding particle aureomycin, is good in drying effect, and time-saving and labor-saving.

The invention discloses a range hood with a secondary air-sucking function. The range hood comprises a range hood body and a panel arranged on the range hood body, wherein an air-sucking turbine is arranged in the range hood body; an air inlet of the air-sucking turbine is connected with a smoke inlet of the panel, and an air outlet of the air-sucking turbine is connected with a smoke discharging pipe; an oil filtering screen is covered on the smoke inlet; the range hood with the secondary air-sucking function is characterized in that a secondary air-sucking device is arranged between the air inlet of the air-sucking turbine and the smoke inlet of the panel; the secondary air-sucking device is capable of extracting air from the outside of the range hood body and supplying the air into the air-sucking turbine. The range hood with the secondary air-sucking function has the beneficial effects that the total air-sucking amount of the range hood is equal to the sum of the air-sucking amount of the turbine and the air-sucking amount of the secondary air inlet structure due to the special secondary air-sucking structure, so that the range hood has relative high air-sucking amount, and the working efficiency of the range hood is improved; the range hood with relatively high air-sucking amount can accelerate the suction and the emission of the kitchen lampblack, so that the freshness of the kitchen air environment is ensured.

The invention discloses a duct type air conditioner and an air conditioner. The duct type air conditioner comprises a housing, a heat exchanger and a fan, wherein the housing comprises a fresh air plate and an air return plate; the fresh air plate and the air return plate are connected and are arranged at an included angle; the fresh air plate is provided with a fresh air hole; the air return plate is provided with an air return hole; the heat exchanger is arranged in the housing; the fan is arranged in the housing; the fan is arranged in an inclined mode relative to the fresh air plate and the air return plate; and an air inlet of the fan faces towards the fresh air plate and the air return plate. The duct type air conditioner and the air conditioner disclosed by the invention can increase air sucking amount, so that an exhaust air rate of the duct type air conditioner is increased.

The invention relates to the field of environmental protection, in particular to an indoor formaldehyde purification method. The purification method comprises the following steps: S1, all windows areopened and green plants capable of absorbing formaldehyde are planted in places where air does not circulate indoors; S2, after S1 is implemented for a period of time, the indoor formaldehyde contentis detected by a formaldehyde detector, and when the detected value is within the standard formaldehyde content range, some windows are closed, and then the formaldehyde purifier is placed indoors; S3, after S2 is implemented for a period of time, the indoor formaldehyde content is detected by the formaldehyde detector, when the detected value is within the standard formaldehyde content range, allwindows are closed, and the formaldehyde purifier in S2 continues to purify the indoor air; S4, after S3 is implemented for a period of time, the indoor formaldehyde content is detected by the formaldehyde detector, when the detection value is within the standard formaldehyde content range, people can come indoors to live, and the formaldehyde purifier continues to purify the indoor air.

The embodiment of the invention discloses a motor fan impeller and a washing machine comprising the motor fan impeller. The motor fan impeller comprises a round sheet and multiple blades perpendicular to the end face of the round sheet, wherein each blade extends along a corresponding first arc section, the first arc sections are arranged towards the edge of the round sheet from the center of the round sheet, and the rotating directions of the multiple blades are the same. A large number of experiments show that the negative pressure at the center of the motor fan impeller in the embodiment is smaller than the negative pressure at the center of a fan impeller in the prior art, the difference of the pressure of the interior and the pressure of the exterior of a motor is large, and therefore air around the motor can be driven to rapidly flow, the air suction amount becomes large, and the heat dissipation efficiency of the motor is improved.

The invention discloses a double-impeller counter-rotating multi-wing centrifugal fan. An inner impeller and an outer impeller which are coaxially nested are arranged in a fan volute, airflow enters a cavity of the inner impeller through the inner impeller and the outer impeller which are nested mutually, and after the airflow acts through the inner impeller, the airflow at an outlet of the inner impeller further has vortex motion energy in the circumferential direction, the airflow enters an outer impeller blade inlet, and it is ensured that the airflow flowing out of inner impeller blades enters the outer impeller without impact; and the vortex motion energy, not used in the circumferential direction, in the airflow flowing out of the inner impeller further acts through the outer impeller, the energy of the airflow is improved again, then the pressure of the air flow is multiplied, the flow of the fan is greatly improved, and the overall efficiency of the fan is greatly improved. A driving shaft and a hollow shaft which are mutually nested are utilized to synchronously drive the inner impeller and the outer impeller, so that the torques generated by the two impellers are mutually counteracted, the vibration of the fan is reduced, and mechanical noise generated by the fan is reduced.

The invention relates to an exhaust fan which comprises a shaft sleeve, a plurality of first blades and a plurality of second blades, wherein the first blades are axial-flow blades and all arranged on the peripheral surface of the shaft sleeve along the radial direction of the shaft sleeve; and the second blades are eddy-flow blades and are distributed among the plurality of first blades and arranged on the peripheral surface of the shaft sleeve along the radial direction of the shaft sleeve. According to the invention, the second blades are arranged in the first blade intervals and are arranged at the periphery of the shaft sleeve; and the second blades axially extract cold air from the outside and radially blow the cold air to the first blade intervals, thereby increasing the air extraction in the center of the exhaust fan blades and the air amount in the first blade intervals, thus the air exhaust and wind pressure of the first blades are increased, the cooling efficiency of the exhaust fan is greatly improved, and the performance of the exhaust fan is enhanced.

The invention discloses a hung type diesel locomotive cooling device which comprises a water cooling system, a hydraulic oil cooling system, a pressurizing air cooling system, a transmission oil cooling system, a steel die frame, a bearing seat, a hydraulic motor, a fan, an air cylinder, an air guide section, a protecting net and a dustproof net, wherein the cooling device is of induced draft design; the four cooling systems are respectively fixedly arranged at the air inlet end of the steel die frame; the air outlet end of the steel die frame is fixedly connected with the air guide section; the air guide section is fixedly connected with the air cylinder; the bearing seat is fixedly arranged in the middle of the air cylinder; the fan and the hydraulic motor are respectively arranged at two ends of the bearing seat; the fan is wrapped by the air cylinder. The four cooling systems, the hydraulic motor, the protecting net, the dustproof net and the like are all fixed on the steel die frame by using bolts, thus being convenient to clean, disassemble and replace. The hung type diesel locomotive cooling device is compact and reasonable in structure, good in cooling property, reasonable in air field flow, high in energy utilization rate, low in noise, simple in manufacturing process, convenient to maintain and replace, and relatively good in security protection property.

The invention relates to a smoke removing machine for welding. The smoke removing machine for welding comprises a purification main box, movable wheels, a smoke dust filter drum, a motor, a universal gas suction arm, a gas suction cover, a fixing flange and a switch and is widely applied to the fields of manufacturing of electronic and electrical products, LEDs, toys, precise hardware and automobiles, producing of furniture, electroplating, laser operation, manufacturing of various decorations, metal polishing, spraying, building, welding, medical care and the like.

The invention provides a welding, polishing and dust removal integrated platform. The welding, polishing and dust removal integrated platform comprises a polishing platform; a supporting frame is mounted on the polishing platform, and four supporting rods are mounted at the bottom of the polishing platform; an LED explosion-proof lamp is mounted on the polishing platform, and a spark rebounding prevention extra-thick densified iron net is mounted on the inner side of the polishing platform; a one-key full control button is mounted on the front side of the polishing platform, a honeycomb-type high-quality floor platform is mounted on the polishing platform, and a V power socket box is mounted on one side of the one-key full control button. Through the honeycomb-type high-quality floor platform arranged on a funnel, large-particle dust is convenient to collect, through arrangement of a filter mechanism, spark dust smoke containing fine particles enters a cyclone filter pipeline, dust-containing gas enters the filter mechanism after being collected, purified air is filtered and then discharged to the standard, a water filter internal structure is concise, the service life is long, thestability property is good, and vulnerable parts are low in replacement cost.

The invention discloses a vertical air conditioner and an air duct thereof. The air duct comprises a front volute, a rear volute, an upper installation base and a lower installation base. The upper installation base and the lower installation base are used for being assembled together with cross flow fans. The upper installation base and the lower installation base are connected with the front volute and the rear volute correspondingly. The upper installation base and the lower installation base are symmetrically arranged. Therefore, the installation directions of an air duct can be freely exchanged in the vertical direction, assembly of the air duct, air conditioner bodies and air deflectors can be achieved in each installation direction, and universality of the air duct is greatly improved. Particularly for the situation that the air conditioner comprises the two air conditioner bodies which are in bilateral symmetry, the air duct can be universal for the left portion and the right portion; only one air duct mold is needed, and therefore resources are greatly saved; and installation is facilitated, the installation process is simplified, and the installation efficiency is improved.

The invention discloses a novel integrated ceiling electric appliance. The novel integrated ceiling electric appliance comprises two integrated assemblies, and the integrated assemblies both can achieve ventilation and heating. The novel integrated ceiling electric appliance is characterized in that a volute air duct is hollow and separated to form a first chamber and a second chamber, a first airoutlet is formed in the first chamber, and a second air outlet is formed in the second chamber; the first integrated assembly is arranged in the first chamber, the second integrated assembly is arranged in the second chamber, the first integrated assembly is used for heating or replacing indoor air, and the second integrated assembly is used for heating or replacing indoor air; the volute air duct is provided with a cover plate, a first air inlet and a second air inlet are formed in the cover plate; the first air inlet is opposite to the first chamber, the first air inlet is covered with a first filter screen, the second air inlet is opposite to the second chamber, and the second air inlet is covered with a second filter screen; an iron box is further included; the volute air duct is entirely arranged in the iron box, and a first air inlet passage is formed in one side of the inner wall of the iron box.

The invention relates to a pneumatic brush head which comprises a negative pressure cavity and a sweeping cavity. A turbine is arranged in the negative pressure cavity. The turbine is in rotating connection with a power device. The negative pressure cavity is provided with an air inlet and an air outlet. A brush roller is arranged in the sweeping cavity. The brush roller is in rotating connection with the power device. The sweeping cavity is provided with an air suction opening and an exhaust opening. An air channel formed by the air suction opening and the exhaust opening penetrates through the brush roller. The pneumatic brush head can be divided into a horizontal rotating pneumatic brush head and a vertical rotating pneumatic brush head, the rotating speed of the brush roller can change along with changing of air suction amount, the problem that the brush roller sweeps too much dust or garbage into the sweeping cavity is avoided, the problem that the sweeping cavity is full, so that dust or garbage is raised outside the pneumatic brush head and pollutes air is avoided, meanwhile, power provided by the power device can be lowered, and energy is saved. The pneumatic brush head is compact in structure and convenient to assemble and disassemble. For a vacuum sweeping vehicle, a set of power device is saved, if three brush heads are arranged, three sets of motors are saved, production cost can be lowered, and machine body weight can be lowered.

The invention discloses a draught fan and a sweeping robot. The draught fan comprises a draught fan air duct, a draught fan motor and two fan blades installed in the draught fan air duct. The fan air duct is provided with an air duct air inlet end and an air duct air outlet end which are opposite to each other; wherein one fan blade is located in the air inlet end of the air duct, and the other fan blade is located in the air outlet end of the air duct. The fan motor is installed in the fan air duct, and the fan motor is located between the two fan blades. And the output end of the fan motor is connected with the fan blades through a rotating shaft. According to the fan and the sweeping robot disclosed by the invention, the two fan blades are arranged in the air duct of the fan and rotate synchronously, so that the air suction amount is increased, the suction force is enhanced, large-particle sundries can also be sucked into the dust collection box, and the sweeping effect is improved.

The invention discloses a soft braking and energy regeneration proportional control system of a gearbox. The system comprises a main pump control unit, an energy regeneration unit, a soft braking control unit, a fuel engine starting unit and an air increasing and dust blowing unit, the main pump control unit is connected to the energy regeneration unit, the soft braking control unit and the air increasing and dust blowing unit, the energy regeneration unit is used for storing energy and providing soft brake loads, the air increasing and dust blowing unit is used for dissipating heat or blowing dust to an air suction air filter and increasing the air inflow of an air suction port, the fuel engine starting unit is connected to the main pump control unit and the energy regeneration unit, the energy regeneration unit is used for providing energy for the fuel engine starting unit or providing working kinetic energy for the air increasing and dust blowing unit, and the fuel engine starting unit can also be used for controlling the main pump control unit to stop pumping oil in different emergencies of the hydraulic system. Hydraulic elements are reasonable in layout, various units are matched with one another, and the functions of graded braking, oil liquid heat dissipation, air filter element dust removal and fuel engine air inflow increasing can be achieved by fully utilizing hydraulic oil.

Disclosed is an air-duct air conditioner. According to the air-duct air conditioner, air regulating can be conducted on one of two spaces individually, and air regulating can be conducted on the two spaces simultaneously. The air-duct air conditioner comprises a shell body, a fan and a heat exchanger are arranged in the shell body, a first air inlet, a second air inlet, a first air opening and a second air opening are formed in the shell body, the fan comprises a first fan and a second fan, and the heat exchanger comprises a first heat exchanger and a second heat exchanger. The first fan and the second fan are arranged between the first heat exchanger and the second heat exchanger. In the shell body, the first heat exchanger and the first fan are arranged in a first air flow path from thefirst air inlet to the first air opening. The second heat exchanger and the second fan are arranged in a second air flow path from the second air inlet to the second air opening.

The invention relates to the technical field of spinning processes, in particular to a spinning process of an imitated airflow type slub yarn. The process comprises the following steps of S1, selecting raw materials of the imitated airflow type slub yarn, wherein the main cotton blending index is as follows, the technical grade is 3 .4 grade, the main body length is 27.8mm, the fineness is 6120 metric count, the breaking specific strength is 21.8, the short cashmere ratio is 12.7%, the impurity content is 2.3% and the moisture content is 7.5%; S2, selecting process equipment and process, and selecting (FA002-FA006C-FA104-FA022-FA106-FA141) open cleaning unit-FA201 carding machine-FA311 type draw frame-BD200SN type airflow spinning machine; S3, making a spinning yarn process, and drafting open cleaning process-carding process-parallel process-airflow type slub yarn spinning process. The process can produce the imitated airflow slub yarn with strong stereoscopic effect and various styles.

The invention discloses a dust collector which comprises a shell and a dust collection head. Two ends of the shell are respectively connected with a motor and the dust collection head; the output endof the motor is connected with a turbine. The motor comprises a rotor system and a motor assembly, the rotor system comprises a rotating shaft, and a pair of parallel bearings is arranged on the rotating shaft and comprises a rotating shaft bearing and a stator bearing; the rotating shaft bearing is a contact type bearing, sleeves the rotating shaft and is in close fit with the rotating shaft; thestator bearing is a non-contact bearing, the stator bearing sleeves the rotating shaft bearing, a gap is reserved between the inner wall of the stator bearing and the outer wall of the rotating shaftbearing, and the stator bearing is fixed on the stator; the motor assembly comprises a stator magnetic pole and a coil which sleeve the rotating shaft, and a magnetic core is arranged on a shaft section, located in the stator magnetic pole and the coil, of the rotating shaft; a filtering device is arranged in the shell and divides the shell into two parts, the part close to the parallel bearing motor contains the turbine, and the part close to the dust collection head is a dust collection cavity. The dust collector is large in air suction amount, cleaner in sweeping and low in cost.

The invention discloses a dual-cross-flow jet flow air conditioner and an air conditioner indoor unit. The indoor unit comprises at least two air conditioner bodies. A through air flue is formed between the first air conditioner body and the adjacent second air conditioner body, a rear end air induced opening is formed between the rear ends of the air conditioner bodies, an upper end air induced opening is formed between the upper ends of the air conditioner bodies, an air supply opening is formed between the front ends of the air conditioner bodies, and an air outlet of each air conditioner body is located in the through air flue; according to the first air conditioner body and the second air conditioner body, when a cross flow fan rotates, negative pressure generated in the through air flue enables air outside the first air conditioner body and the second air conditioner body to enter the through air flue through the rear end air induced opening and the upper end air induced opening, and the air supply opening supplies air in the through air flue. The air induced openings comprise the rear end air induced opening and the upper end air induced opening, the air induced range is widened, the air induced amount is greatly increased, the air induced effect is improved, and the output air of the air supply opening is more warm and comfortable.