54results about How to "Fast airflow" patented technology

A board processing apparatus and a method of fabricating a semiconductor apparatus for reducing a pressure difference between a preparing chamber and a processing chamber and restraining a rapid flow of a gas caused by the pressure difference to thereby prevent a board from being contaminated by a particle are disclosed.

A negative pressure earphone includes a main body, a cover portion, a silica gel earplug, a filtering net and a moving coil sound unit. The silica gel earplug is fitted to the protruding end of the main body. The filtering net is provided on the opening of the protruding end and the moving coil sound unit is disposed inside the main body. The cover portion is fitted to the other end of the main body. A sealing framework portion is disposed inside the main body and the moving coil sound unit is fitted to the sealing framework portion. A negative pressure portion is disposed on the sealing framework portion. The negative pressure earphone of the present invention is structurally simple and water resistant and does not have to have an opening in its cover portion.

The invention relates to thermally tempered safety glass comprising an non-abrasive and porous SiO2 layer which is stable during sintering and has a refractive index of between 1.25 and 1.40. The inventive safety glass can be obtained by coating standard soda-lime glass with an aqueous coating solution having a pH value of between 3 and 8 and containing between 0.5 and 5.0 wt. % of [SiOx(OH)y]n particles (0<y<4 and 0<x<2) having a particle size of between 10 and 60 nm, and a surfactant mixture. The coated glass is then dried, thermally hardened at temperatures of at least 600° C. for several minutes, and thermally tempered by a flow of air.

The invention concerns a method for spectrometric investigation of a plurality of samples dissolved in a solvent, comprising the following steps: (a) guiding a first solvent with a sample through an SPE cartridge (5) for concentrating the sample in the cartridge (5); (b) positioning the cartridge (5) in a carrier (4) for a plurality of cartridges (5); (c) repeating steps (a) and (b) for a desired number of samples; (d) drying the concentrated samples through removal of the residual first solvent, in particular, dehydration or evaporation; (e) dissolving each sample in a second solvent, transferring these dissolved samples from the cartridges (5) to a spectrometer and acquiring a spectrum of each sample. The method is characterized in that all samples are dried together in step (d) subsequent to steps (b) and (c) while the cartridges (5) with samples are positioned in the carrier (4). The drying process is thereby considerably accelerated in a straightforward technical manner.

A fast mixture separation device comprises a hopper, a first channel, a second channel and an air-blowing pipe. The hopper is used for storing mixtures, the first channel is provided with a feed port and a discharge port and communicated with the hopper through the feed port, the discharge port in the horizontal direction is lower than the feed port, the second channel is provided with a first end and a second end, the second channel is communicated with the first channel through the first end, the first end is positioned between the feed port and the discharge port, the second channel is integrally positioned above the first channel, a predetermined included angle is formed between the lengthwise direction of the second channel and the gravity direction, the air-blowing pipe is arranged in the second channel and close to the first end, the air flow direction blown by the air-blowing pipe points to the second end, the second end is provided with a separation mesh and an outlet, and the outlet is inclined downwards. Heavy, light and powder mixtures such as a capsule, a capsule shell and medicine powder can be rapidly and thoroughly separated.

The invention discloses a relay flow fan composed of a centrifugal fan and a cross flow fan which are connected in series. A gas outlet of the centrifugal fan is communicated with a gas outlet of the cross flow fan, and the centrifugal fan and a cross flow fan are integrated or connected. The centrifugal fan and the cross flow fan perform relay acting to gas flow, and speed up gas flow relay to form relay flowing. The relay flow fan has the advantages of high gas-flow speed at outlet, large gas capacity, high gas pressure, long gas blowing space and the like, and further has properties of performing relay separation, relay condensation and relay purification to fume. An extractor hood with the relay flow fan can really realize fume discharging to be eliminated. By the aid of the relay flow fan, important support is provided for 'green' development of the industry of extractor hoods, and novel selections are provided for the fields of gas blowing, gas changing and air purifying. The relay flow fan is a new member in a fan family; the relay flow fan has various structures, and can meet different requirements; the relay flow fan can be promoted and applied to produce great social benefit and economic benefit.

Provided is a paper shredder comprising a housing (6) and a paper shredder head (4), wherein a transmission mechanism (5) and a motor are provided in the paper shredder head (4); the motor comprises a motor body (1), the motor body (1) having an output shaft (12) and a motor housing (11) sleeve connected on the output shaft (12); the motor housing (11) is provided with a heat dissipation device, the heat dissipation device comprising an air intake device (2) and an air output device (3); the air intake device (2) has a cold air inlet and the air output device (3) has a hot air outlet; the air intake device (2) is provided on one side of the output shaft (12) and the air output device (3) is provided on the other side of the output shaft (12); at the position where the air intake device (2) is provided on the motor housing (11) there is an air intake hole (13) opened correspondingly to communicate with an inner chamber of the motor housing (11), and at the position where the air output device (3) is provided on the motor housing (11) there is an air output hole (14) opened correspondingly to communicate with the inner chamber of the motor housing (11), such that a relatively isolated and independent heat dissipating air channel is formed internally from the cold air inlet, via the inner chamber of the motor housing (11), to the hot air outlet.

The invention relates to a method for sunning slat and generating power by using solar energy and wind energy. The method is characterized in that: salt manufacturing facilities and a salt store are put into a solar wind power station; and water evaporation is accelerated and water vapor is recycled to form distilled water by using the characteristics of high temperature and high airflow speed inthe power station. The method comprises that: a plurality of balls containing fiber cloth are arranged in a brine pond; the sunlight is radiated to a film greenhouse; the air in the greenhouse, the water-containing black fiber cloth on the balls and the seawater in the brine pond absorb solar heat to generate rising water vapor and hot air; a part of water vapor rises to the greenhouse and is cooled and condensed into distilled water, and the rest water vapor and the rest hot air flow to an air cylinder and rise along the air cylinder to drive a plurality of wind driven generators in the air cylinder to generate power; and in the sunlight-free time period, the salt in the salt store, the seawater in the brine pond and the balls release heat, and the moisture is continuously evaporated to generate distilled water and power.

The invention relates to a device for evaporating brine and generating electricity by utilizing solar power and wind power. The device for evaporating brine and generating electricity by utilizing the solar power and the wind power is characterized in that: a salt making facility and a salt storeroom are placed in a solar wind power station, and the moisture evaporation is accelerated and steam is recycled to distilled water by utilizing the characteristics of high temperature and rapid airflow speed in the power station. A method for the device comprises the steps: a plurality of round balls with fiber cloths are arranged in a brine pool, the sunlight is radiated into a membrane greenhouse, the sun heat is absorbed by air in the greenhouse, the black fiber cloths on the round balls containing the moisture, and the seawater in the brine pool to generate steam and hot blast which rise up, a part of the steam rises up to the greenhouse so as to be chilled and condensed to the distilled water, and the rest of the steam and the hot blast flow to a wind drum and rise up along with the wind drum to drive a plurality of wind power generations in the wind drum so as to generate electricity; and the heat can be released by the salt in the salt storeroom, the seawater in the brine pool and the round balls in a sunlight-free time period, and the moisture is evaporated to produce the distilled water and generate electricity.

A negative pressure earphone includes a main body, a cover portion, a silicone gel earplug, a filtering net and a moving coil sound unit. The silicone gel earplug is fitted to the protruding end of the main body. The filtering net is provided on the opening of the protruding end and the moving coil sound unit is disposed inside the main body. The cover portion is fitted to the other end of the main body. A sealing framework portion is disposed inside the main body and the moving coil sound unit is fitted to the sealing framework portion. A negative pressure portion is disposed on the sealing framework portion. The negative pressure earphone of the present invention is structurally simple and water resistant and does not have to have an opening in its cover portion.

The invention relates to the field of fragrance-spreading machines, in particular to an intelligent essential oilatomizing device. The intelligent essential oilatomizing device comprises an upper shell 1 and a lower shell 2. The lower part of the edge of the upper shell is in snap-fit with the upper part of the edge of the lower shell to form an atomizing cavity. The lower part of the lower shellis connected with the outer edge of an opening of an essential oil bottle in a sealing mode. An air inlet is formed in the lateral side of a cover. The intelligent essential oilatomizing device is further provided with a sealing sleeve 11. The sealing sleeve communicates with an air inlet channel. An air outlet 12 is formed in the lower end of the sealing sleeve. A sealing channel groove is downwards connected with an essential oil spraying nozzle 13. An oil guide pipe 14 is arranged at the lower end of the essential oil spraying nozzle in a sleeving mode. The sealing channel groove 15 is formed in the essential oil spraying nozzle. The sealing channel groove communicates with the oil guide pipe. An atomizing opening 16 is formed in the tail end of the sealing channel groove. The sealing channel groove is perpendicular to or intersects the air inlet channel. A protrusion block 17 is arranged between the sealing sleeve and the essential oil spraying nozzle. A good atomizing effect is achieved, fragrance spreading is uniform, and processing is convenient.

The invention relates to the technical field of fly collecting and killing, in particular to a fly collecting and killing device used for the vegetable market at night, and aims to solve the technicalproblems that pesticide killing is very harmful and unsafe and light source killing is not conducive to the protection of environmental hygiene and is inconvenient to use. In order to solve the technical problems, the fly collecting and killing device used for the vegetable market at night is provided and comprises a base, wherein a device body is fixedly connected with the top of the base; a noise adsorption device is fixedly connected with the middle of the bottom wall in the device body; an air suction fan is fixedly connected with the top of the noise adsorption device; a noise reflectingmechanism is arranged on the outer side of the air suction fan; noise eliminating mechanisms are fixedly connected with the two sides of the inner wall of the device body; a support ring is fixedly connected with the middle of the inner wall of the device body, and a limiting plate is fixedly connected with one side of the top of the support ring. The fly collecting and killing device prevents flies from escaping due to noise, kills the flies in a pure physical manner and is safe, reliable, low in noise, less harmful and convenient to use.

Provided is a paper shredder comprising a housing (6) and a paper shredder head (4), wherein a transmission mechanism (5) and a motor are provided in the paper shredder head (4); the motor comprises a motor body (1), the motor body (1) having an output shaft (12) and a motor housing (11) sleeve connected on the output shaft (12); the motor housing (11) is provided with a heat dissipation device, the heat dissipation device comprising an air intake device (2) and an air output device (3); the air intake device (2) has a cold air inlet and the air output device (3) has a hot air outlet; the air intake device (2) is provided on one side of the output shaft (12) and the air output device (3) is provided on the other side of the output shaft (12); at the position where the air intake device (2) is provided on the motor housing (11) there is an air intake hole (13) opened correspondingly to communicate with an inner chamber of the motor housing (11), and at the position where the air output device (3) is provided on the motor housing (11) there is an air output hole (14) opened correspondingly to communicate with the inner chamber of the motor housing (11), such that a relatively isolated and independent heat dissipating air channel is formed internally from the cold air inlet, via the inner chamber of the motor housing (11), to the hot air outlet.

The invention discloses a different-propeller multi-axis aircraft structure and an operation method. The aircraft structure comprises two types of propellers and has two types of corresponding power rotating speeds. The specific principle of the different-propeller multi-axis aircraft structure is as follows: two symmetric powers located on a spray nozzle are high-speed powers, and the propellers matched with the powers are small propellers with the higher pitch and smaller size. Low-speed power and large propellers with small pitch and large size are adopted for other axes. The aircraft structure has the advantages that the high-speed power rotating speed of the small propellers matched with high-speed powers is higher than that of the large propellers matched with low-speed powers under the same condition, and the airflow speed produced by the high-speed powers is obviously higher than that produced by low-speed powers. The distances between the propellers with the reduced size and other propellers are enlarged, mutual turbulence is reduced, downward movement of fog drops is facilitated, fog drops sprayed by the spray nozzle below the high-speed powers is blown downwards under the drive of high-speed airflow, so that better penetrating power is obtained.

The invention discloses a tin oxide crystal preparation device which comprises a reaction tank, a vortex pipe is arranged on one side of the reaction tank, a water and gas mixing tank is arranged between the reaction tank and the vortex pipe, a water tank is arranged on the other side of the reaction tank, a spiral pipe rotationally connected with the reaction tank is arranged in the reaction tank, an airbag for stirring is arranged at the lower part of the spiral pipe and is communicated with the spiral pipe, a power box is arranged above the reaction tank, the spiral pipe penetrates through the power box, and a plurality of axis wings positioned in the power box are fixed at the upper part of the spiral pipe; the tin oxide crystal preparation device further comprises a conveying pipe, a cold water pipe and a hot gas pipe are arranged on the vortex pipe, the two ends of the hot gas pipe are respectively communicated with the vortex pipe and the spiral pipe, the cold water pipe is communicated with the water and gas mixing tank, a water conveying pipe is arranged on the water and gas mixing tank, the two ends of the conveying pipe are respectively communicated with the water and gas mixing tank and the power box, a pipe orifice of the conveying pipe positioned in the power box is toward the axis wings, and an output pipe is arranged on the power box and is communicated with the water tank. The temperature and the stirring speed of the tin oxide crystal preparation device are simultaneously realized by using cold gas and hot gas of the vortex pipe, and the operation is simple.

The invention relates to the field of decoration security and protection, in particular to an automatic efficient textile product drying device. A gas outlet slot is formed in a drying block; a rollerslot is formed in a position, relative to the upper end of the gas outlet slot, in the drying block; rollers are movably mounted in the roller slot; the surfaces of the rollers are fixedly connectedwith rectangular bumps; inclined slots are formed in the surfaces of the rollers; and gas blocking bumps are fixedly connected in the inclined slots. The hexagonal roller is arranged on the drying device, so that textile cloth between two drying blocks is stretched by hexagonal edges while the drying device rotates to drive the textile cloth to move, and drying efficiency is higher as fiber gaps of the textile cloth are increased to pass through hot air; and five rollers in total are arranged in one roller slot, and the rectangular bumps mounted on the surfaces of the rollers are arranged in an inclined mode in a high-low alternating way, so that pulling efficiency of the textile cloth can be further improved while the rollers rotate.

An apparatus for measuring the optical absorption of airborne matter or other light absorbing species in a sample airflow. The apparatus comprises a flow path through a fibrous filter to collect light absorbing species in the sampled air. The filtered airflow may subsequently pass through a second filter, used for reference measurements. At least one light source impinges in the filter generating one or two optical signals to determine the light absorption of particulate matter or other species in the sampled airflow. The apparatus includes at least one auxiliary sensor in the sample flow path to monitor an environmental factor, such as temperature. During a training period, a mathematical model of the apparatus' environmental sensitivity is derived. Using the mathematical model and measurements from the auxiliary sensor, optical signals are compensated in real time to increase the precision and accuracy of light absorption measurements recorded under fluctuating environmental conditions.

An apparatus for measuring the optical absorption of airborne matter or other light absorbing species in a sample airflow. The apparatus comprises a flow path through a fibrous filter to collect light absorbing species in the sampled air. The filtered airflow may subsequently pass through a second filter, used for reference measurements. At least one light source impinges in the filter generating one or two optical signals to determine the light absorption of particulate matter or other species in the sampled airflow. The apparatus includes at least one auxiliary sensor in the sample flow path to monitor an environmental factor, such as temperature. During a training period, a mathematical model of the apparatus' environmental sensitivity is derived. Using the mathematical model and measurements from the auxiliary sensor, optical signals are compensated in real time to increase the precision and accuracy of light absorption measurements recorded under fluctuating environmental conditions.

The invention discloses a shell-and-plate blast furnace evaporation air cooling system using a soft water closed recirculation cooling system and a plate scale treatment method thereof and belongs to the technical field of blast furnace iron making production. The shell-and-plate blast furnace vaporation air cooling system using the soft water closed recirculation cooling system comprises a base, a shell body which is over the base and is fixedly connected with the base, a cooling plate set which is a vertical layered layout is arranged in the shell body in a fixation mode, and induced air cooling towers which are connected with the shell body in a fixation mode and right above the shell body. Through replacing an induced air motor with an air suction function with the induced air cooling towers, installed gross and production running cost are lowered, there is no need to frequently change and maintain a soggy and fragile fan motor, and the induced air cooling towers are capable of being at a normal working state for a long time and saves electric energy and water consumption of refrigerant water. Physical descaling can be conducted periodically in the whole operational process of the system through the plate scale treatment method, and also thorough descaling can be conducted in a stopping process. The induced air cooling towers are flexible and mobile and through in treatment effect. The heat exchange and cooling effects of the whole system are improved, and the continuous working period and service life are prolonged.

The invention is suitable for the technical field of laser cutting equipment, and discloses a static electricity ion wind cleaning device. The static electricity ion wind cleaning device comprises a hood body, wherein the hood body is provided with a cavity, and an opening is formed in the bottom of the hood body; a wind separating plate for dividing the cavity into a first cavity and a second cavity is arranged in the cavity; an ion wind stick is arranged in the first cavity; a wall adhering structure is arranged at the bottom close to the side wall of the second cavity, of the hood body; dust collector interfaces used for being connected with a dust collector are formed in the hood body, and communicate with the second cavity; and the hood body is also provided a CDA gas pipe fitting which is used for being connected with a gas supply device and communicates with the wall adhering structure. The invention also discloses a static electricity ion wind cleaning system. The static electricity ion wind cleaning system comprises the static electricity ion wind cleaning device, the dust collector and the gas supply device. The invention also discloses a laser cutting machine. The lasercutting machine is provided with the static electricity electric breeze cleaning system. The static electricity electric breeze cleaning device disclosed by the invention can remove remained dust on the laser cutting platform in a high-efficiency manner.

An infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover, a resiliently deformable filling material, and a vent means in the cover, the vent means including a filter medium including a filter membrane for the removal of particles of microbial size, a strengthening layer of material for providing mechanical strength to the filter medium, and an adhesive layer, wherein the filter medium allows air flow therethrough but is substantially impermeable to liquid while maintaining a barrier to particles of microbial size; optionally, wherein the adhesive layer is formed from a plurality of dots of adhesive applied to the strengthening layer.

An apparatus and method for creating nanometric delta doped layers in epitaxial diamond includes providing a dummy gas load with gas impedance equivalent to the reactor, and switching gas supplied between the reactor and the gas dummy load without stopping either flow, thereby enabling rapid flow and rapid gas switching without turbulence. An atomically smooth, undamaged substrate can be prepared, preferably in the (100) plane, by etching the surface after polishing to remove subsurface damage. A gas phase chemical getter reactant such as hydrogen disulfide can be used to suppress incorporation of residual boron into the intrinsic layers. Embodiments can produce interfaces between doped and mobile layers that provide at least 100 cm2 / Vsec carrier mobility and 1013 cm−2 sheet carrier concentration.

The invention provides a security monitoring camera capable of automatically removing an obstruction, and the camera comprises a housing, the housing is provided with an air hole, an annular groove and an arc-shaped surface, a photoresistor is disposed between a lens and the air hole, a metal ring is disposed in the housing, fan blades are disposed around the outer side of a rotating ring, and theinner side end of the interior of the rotating ring is connected with a blocking column. Trapezoidal magnetic blocks are connected to the inner side ends of the annular blades, metal sheets are arranged on the right sides of the trapezoidal magnetic blocks, and coils corresponding to the trapezoidal magnetic blocks are arranged on the right side in the rotating ring. A magnetic field generated bythe coil pushes the trapezoidal magnetic block to move leftwards, and the trapezoidal magnetic block extrudes and crosses the bumping post and the first spring; meanwhile, the resistance in the photoresistor is minimum, the blower device connected with the photoresistor in series is changed into a closed circuit from an open circuit, the blower device sucks air through the air holes, airflow in the air holes adsorbs the shielding object to get close to the annular blade on one hand, and on the other hand, the fan blades rotate in the rotating ring, and the rotating ring drives the annular blade to annularly cut the shielding object.

The invention provides a film mulching machine for garlic sprouts. The film mulching machine comprises a connecting truss, ploughs, an induced draft fan, a heat preservation film roll, a supporting rod, a linkage frame, a right-angle actuator, baffles, a spline shaft, a hollow concave plate, an air inlet, and a flow guiding groove, a convex plate, a heating plate, auxiliary rollers, linkage rods,earthing wheels and flow guiding teeth. The lower side, from one side to the other side, of the connecting truss is sequentially and fixedly connected with the ploughs, the induced draft fan, the supporting rods, the linkage frame and the right-angle actuator. As the outer edge of an opening of an air inlet is curved, the height difference between the convex plate and the air inlet is 0.3 cm, theconvex plate is located inside the air inlet with respect to the flow guiding groove and the gap between the convex plate and the air inlet is small, when the induced draft fan acts, the pressure of the airflow at the air inlet increases, the airflow under a film is accelerated and the pressure intensity under the film is reduced, so that the film is pressed down by the higher pressure above the film for better contact with the ground to prevent inflation between the film and the ground.

The invention provides an apparatus for preparing a diamond coating in the inner bores of wire-drawing dies. The apparatus comprises a vacuum chamber, a sample stage, a hot wire, a deflector and a plurality of wire-drawing dies with die holes, wherein the sample stage comprises a first end and a second end arranged face to face; the wire-drawing dies are snapped on the first end of the sample stage at intervals; the second end of the sample stage is provided with a through hole communicating with the die holes; and the hot wire with two ends connecting with electrode columns is horizontally arranged above the sample stage. The apparatus further comprises a gas inlet pipe and a gas exhaust pipe both inserted into a vacuum chamber, wherein the gas exhaust pipe is connected with a pump; the cavity of the deflector has a first end and a second end arranged to face each other, and the radial dimension of the second end is larger than the radial dimension of the first end; the first end communicates with the gas inlet pipe, and the second end is provided with a plurality of diversion pipes communicating with the cavity; and the outlets of the diversion pipes are located directly above the die holes. The apparatus provided by the invention can avoid passing of the hot wire through the inner bores of wire-drawing dies, and plasma groups generated by reaction gas for deposition of the coating around the hot wire is directionally drawn into the die holes in the wire-drawing dies so as to realize uniform deposition of the diamond coating.

The invention discloses an accelerated cooling device for baijiu processing, and relates to the technical field of baijiu processing. The accelerated cooling device comprises an inner shell and an outer shell which are connected through a support, the upper end of an inner cavity of the inner shell is fixedly connected with a water cooling heat exchanger, one end of the water cooling heat exchanger is fixedly connected with one end of a water inlet pipe, the other end of the water inlet pipe sequentially penetrates the inner shell and the outer shell and are positioned on the outer side of theouter shell, the middle of the top end of the inner shell is fixedly connected with one end of an air inlet pipe, and fans are arranged on two sides of the upper end of the air inlet pipe and fixedlyconnected with the outer wall of the outer shell. According to the accelerated cooling device for baijiu processing, by the aid of the support, the inner shell and the outer shell can be connected together, the inner shell is fixed, the side wall of the inner shell is shaped into a star, so that the contact area of the inner shell and air is increased, cooling is accelerated, wine steam can be rapidly cooled by the water cooling heat exchanger, and most waste heat is recycled and used for production and reuse.

The invention relates to a double-layer continuous ultrasonic atomization classification device and method. The classification device comprises a first container; the bottom of the first container isconnected with one end of an atomization pipe; the other end of the atomization pipe is connected to a second container; the second container is connected to the first container through a circulatingpipe; the atomization pipe is provided with a horizontal section, and multiple piezoelectric ceramic ultrasonic atomizers are arranged inside in the horizontal direction; the horizontal section of theatomization pipe is connected with a water mist conveying pipe through multiple communicators; one end of the water mist conveying pipe is a gas inlet end, and the other end is connected with a gas-liquid separator; and water level overflowing devices are arranged in the atomization pipe at the downstream of the multiple communicators. The double-layer continuous ultrasonic atomization classification method is higher in classification precision to meet the classification requirements of sub powder particles, and can perform continuous ultrasonic atomization classification to achieve sub-micron classification precision and high production efficiency.

The invention relates to a novel wing, belonging to the aeronautical field, comprising a wing body, a support plate, an electric motor and a propeller. The wing body is identical to a conventional wing. The support plate is arranged behind the wing body and connected with the wing body, and the plane of the support plate is lower than the lowest point of the upper surface of the wing; after mounting the motor and propeller on the pallet, the plane of the propeller is flat with the lowest point of the upper surface of the wing. The motors have a plurality of identical models and are arranged side by side on a support plate. The number of the propellers corresponds to the number of the motors, is respectively connected with the motors, is arranged behind the wing body, is close to the wing body, and the upper surface of the propellers is flat with the lowest point of the upper surface of the wing. The novel wing of the invention is improved on the conventional wing structure, so that theairflow speed flowing through the upper surface of the wing is faster, and the wing can generate greater lift force, thereby greatly shortening the takeoff distance of the aircraft and reducing the area occupied by the airport.