1435results about How to "Fast flow" patented technology

Ultraporous sol gel monoliths and methods for preparing the same are provided, having superior flow characteristics for chromatography and analytical chemistry applications. The methods for forming an ultra porous sol-gel monolith include (a) forming a solution comprising a porogen, a matrix dissolving catalyst and a sol gel precursor; (b) allowing the solution to form a gel; and (c) drying the gel at an elevated temperature. The ultraporous sol gel monoliths are characterized by a porosity of up to about 97%, a BET surface area of at least about 50 m²/g and substantially no micropores.

The invention provides a cooking device which comprises a shell and a hot-air flow generation device, wherein the shell is provided with a food cooking chamber, and the hot-air flow generation deviceis arranged at the top of the food cooking chamber. The hot-air flow generation device comprises a blowing device and a heating device positioned below the blowing device, the blowing device is used for generating flowed air flow, the heating part heats the air flow generated by the blowing device to form heated air flow, a blowing cover is arranged at the top of the food cooking chamber and completely covers the upper outer side of the blowing device and the heating device, the food cooking chamber is provided with side walls, at least parts of side walls are provided with air flow guide devices, and parts of heated air flow passes the air flow guide devices, then changes the flowed direction of the heated air flow and is scattered to the surface of food. According to the cooking device,the heated uniformity degree of the food in the making process can be improved, the quality and the taste of the food are improved, harmful heat is timely discharged in the making process of the food,and working stability of the device is improved.

A finned tube includes channels defined between adjacent fins on the tube body outer surface. Wings extend from side walls of the adjacent fins between the fin top and the fin base such that the wings form a barrier which splits the channel into an upper channel and a lower channel. A plurality of holes penetrate the barrier where the wings meet, so liquids and gases can pass into and out of the enclosed area defined by the lower channel. The wings can include alternating upper wings and lower wings, and there can be depressions formed in the fin top.

The invention discloses a double-solidification system fast-flowing underfill and a preparation method thereof. The underfill comprises the following raw materials in parts by weight: 30-80% of epoxy resin, 10-50% of epoxy acrylate, 5-30% of acrylate, 2-20% of polyol, 1-20% of silane coupling agent, 0.3-4% of cationic initiator, 0.1-3% of radical initiator and 0.1-0.5% of carbon black; and the preparation method comprises the following steps of: weighing the epoxy resin and the cationic initiator in the proportion, putting in a reaction kettle and stirring into a uniform solution; weighing the epoxy acrylate, the acrylate, the polyol, the silane coupling agent, the radical initiator and the carbon black in the proportion, putting in the reaction kettle in sequence, mixing and stirring to obtain the finished product of the double-solidification system fast-flowing underfill.

The present invention relates to a ventilator of fuel-cell vehicles for ventilating hydrogen in the hydrogen-system unit area arranging a hydrogen circulating device in the fuel-cell vehicles boarding the fuel cell. The ventilator of fuel-cell vehicle includes a first ventilating device for taking ventilating air in from a front side of the fuel-cell vehicle to hydrogen-system unit area arranging the fuel cell, the hydrogen supply device, and the hydrogen exhaust device in the center of front and rear direction of the fuel-cell vehicle; and a second ventilating device for sucking the ventilating air taken in from the rear end of vehicle body of the fuel-cell vehicle to the hydrogen-system unit area.

The invention provides a powerless type air heat recollection device which is characterized in that the device at leased includes a fresh air channel used for bringing in fresh air and an air exhaustion channel to exhaust the indoor air, wherein, the two ends of the fresh air channel are respectively provided with an air inlet A communicated with the outside and an air outlet B communicated with the inside. The two ends of the air exhaustion channel are respectively provided with an air outlet A1 communicated with the outside and an air inlet B1 communicated with the inside; at least either of the air inlet A or air outlet A1 is provided with an air cap which includes a wind wheel and shaft, which are driven by the external wind power, and a fan which is driven by the shaft and can form a fixed air intake or exhaustion flow in the fresh air channel or the air exhaustion channel under the drive of the wind cap; the device also at least includes a heat exchanger which runs through the fresh air channel and the air exhaustion channel.

The invention discloses a sterilization and disinfection device for surgical instruments for clinical operations. The sterilization and disinfection device comprises a sterilization and disinfection tank, a sterilization and disinfection cavity, a device cavity, a cleaning tank, a driving motor, a rotating wheel, a wedge-shaped block A, a wedge-shaped block B, an accommodating tank and an ultraviolet sterilization lamp, wherein the sterilization and disinfection tank is arranged on the base; an output shaft of the driving motor is fixedly connected with the rotating wheel frontwards, the wedge-shaped block A is arranged on the rotating wheel, and the wedge-shaped block B is further welded to the outer side of a push block located on the right side; and the heating device and a suction ventilator are arranged on the fixed plate located on the upper side. According to the sterilization and disinfection device, the functions of cleaning, disinfection, sterilization and drying can be simultaneously realized; and compared with a single-direction rotation manner, a clockwise and anticlockwise alternate rotation manner of the cleaning slot has the advantages that the flow speed of disinfection liquid is relatively high, and meanwhile, the rotation direction of the disinfection liquid in the accommodating tank can be changed, so that the relatively good disinfection effect can be achieved.

The invention relates to a kind of efficient reactor with paddle bed, which belongs to the chemical machinery field. It is composed mainly with the solid and liquid separator, the inner tube that the track is changeable, the reactor cover, the heat exchanger with an internal component, the riser with the spray nozzle, the inner-tube tank that has the heating and gas distribution function, the spray nozzle for protecting from choking, the mounting plate of the spray nozzle, the heat exchanger, the outlet of the heating coil, the quadratic distribution plate, the heating coil and so on. The beneficial effictiveness of the invention can be described as follows: the reactor and the distributor can't block up easily; the gas and the liquid can be mixed evenly; the reactive efficiency is high; the carrying amount of the catalyst and the solvent is so bit that it can not occur the bias current, channeling and dead bed; the size running quickly, and the viscosity of the size in the reactor is identical generally; the reactor can be shifted out in time, and especially in the stage of the catalytic, reducing and intensifying, it can realize to operate the reactor steadily; otherwise, the distribution of the virgin gas in the reactor along the axle is in agreement on the concentration of the catalyst, so that can make the catalyst have the most activity, and then it can be make the full use of the reactor space.

A valve unit 36 is placed in an ink flow passage 35 between an ink cartridge 8 and a recording head 7 and can be controlled in association with the cleaning operation of the recording head 7. Under the control of a drive controller, the valve unit 36 holds for a predetermined time a state in which negative pressure produced by a suction pump is accumulated, and is opened after the expiration of the predetermined time or is opened with the negative pressure accumulated and driving the suction pump is continued. The air bubbles remaining in a stuck state in the ink flow passage can be peeled from the ink flow passage together with an instantaneous fast ink flow produced as the valve unit 36 is opened, and the peeled air bubbles can be discharged effectively from the ink flow passage following the subsequent ink flow.

This invention is a ultrasonic humidifier. It includes water tank that is arranged on the base and has upper water filler opening. The water tank bottom is arranged with water discharging opening. The water discharging opening has moving compression strut. Water tank bottom and base top enclose water storage chamber, which is arranged with water level monitoring mechanism. The signal output end of water level monitoring mechanism electrically connects to main controller. The water storage chamber is also arranged with knockout pin mechanism, the superior end of which connects to the inferior end of compression strut. The inferior end of knockout pin connects to synchronous motor cam, stepping motor cam or electromagnetic switch that are all arranged in the base. The main controller electrically connects to the synchronous motor cam, stepping motor cam or electromagnetic switch. The superior end of knockout pin is covered in elastic sealing gland, which bottom connects to the top of the base. The inferior end of knockout pin has lower spring. The water tank has fog guiding pipe, the inferior end of which extends into the water storage chamber. Ultrasonic transducer is arranged below the fog guiding pipe. This invention is simple and low cost.

PCT No. PCT/DE98/00472 Sec. 371 Date Jan. 25, 1999 Sec. 102(e) Date Jan. 25, 1999 PCT Filed Feb. 18, 1998 PCT Pub. No. WO98/53195 PCT Pub. Date Nov. 26, 1998A fuel tank ventilation valve for a Laval nozzle, which has a sensitive regulation of the through flow quantity. The valve has a valve seat which is embodied on a valve seat body which has at least one opening that can be closed by the valve member. A cross section of the at least one opening is embodied as essentially smaller than an entry cross section of the Laval nozzle that is disposed spaced apart from the valve seat. The valve is suited for a metered introduction of fuel that has evaporated from a fuel tank of a mixture-compressing internal combustion engine with externally supplied ignition into an intake tube of the engine.

The invention relates to a two-stage oxygen supply dry slag removal pressurized gas flow bed gasification furnace, comprising a cylinder-shaped pressure-bearing case, a gasification chamber arranged in the cylinder-shaped pressure-bearing case, a synthesis gas cooling chamber, a mechanical slag crusher and a slag locking tank; wherein the gasification chamber and the synthesis gas cooling chamberare respectively arranged at the upper part and the lower part in the cylinder-shaped pressure-bearing case, the mechanical slag crusher is arranged below the bottom of the gasification furnace, and the slag locking tank is arranged below the mechanical slag crusher. The invention adopts two-stage oxygen supply temperature control technology and water vapour temperature control technology, and reasonable dry slag removal structure and necessary automatic control means are combined, solid slag removal of China 'double-high' coal large-scale pressurized gas flow bed gasification is realized, and the invention is especially applicable to 'double-high' coals with high ash content (25-27%) and high ash melting point (FT is more than 1400 DEG C), and handing capacity of single day can reach about 2000t/d.

The invention discloses a building flat plate shaped split typed wall-mounted vacuum solar energy superconductive heat collector, comprising a separating heat pipe formed by a flat plate collector with an automatic liquid separator, a circulating steam pipe, a circulating liquid pipe, a condenser and a heat accumulator. A plurality group of precise metering holes and capillaries are horizontally distributed between a liquid storage accumulator and a finned tube which are communicated with the circulating liquid pipe. The work condition of balanced film high temperature evaporation can be realized. The heat collector is characterized in that the heat collector has high temperature heat collection output, high efficiency and high energy heat transmission, long distance circulation without pump, low temperature and freeze proof, can be harmonized with buildings, is economical, has long service life and so on. The heat collector exploits the novel applied field of the solar energy with high temperature and separation structure, which can form devices of solar energy boiled water generator, radiant heater, air conditioner, additional water heater, etc. The heat collector is presented in a square and flat shape, which can be mounted and hung on the roof, the wall, the position above the window, the position below the window and the balcony of the buildings, is beautiful and harmonious. The heat collector is suitable for being used in high rise buildings with multiple floors, which is an ideal technology of solar energy for building integration.

The invention provides a liquid-cooling radiator of a lamp. The liquid-cooling radiator comprises a lamp shell having an opening, a light source, a water-cooling block, a heat exchanger, a water tank, a water pump, and a water pipe. The inside of the lamp shell is divided into a closed first chamber and a second chamber having an opening, by a partition. The light source is disposed in the second chamber and fitted to the partition. The water-cooling block is disposed in the first chamber and fitted to the partition. The heat exchanger and the water tank are both fitted to the inner wall of the first chamber. The water pump is mounted on the water tank. The water pipe penetrates the water-cooling block and the heat exchanger; two ends of the water pipe are connected to the water tank. The heat exchanger is provided with radiating fins provided with a fan. The partition and the lamp shell are integrated; the first chamber is provided with a rear cover; the heat exchanger is mounted on the rear cover. The liquid-cooling radiator is high in radiating efficiency and easy to demount. The invention further provides the lamp comprising a reflector, a light-permeable plate and the radiator; the lamp is high in radiating performance; a high-power light source can be used; excessively high heat is prevented from burning out the light source or the circuit board and electronic components in the lamp.

The invention discloses an air conditioner cabinet and an air conditioner, wherein the air conditioner cabinet comprises a shell, a heat exchanger component and two air wheels; two cavities spaced left and right are formed in the shell; each cavity has an air outlet penetrating through a front panel of the shell; the two air outlets are arranged in a form of strips extending from top to bottom; an air hole communicated with the shell is formed between the two air outlets in the front-back direction; the two air wheels are correspondingly arranged in the two cavities; the heat exchanger component includes two heat exchangers correspondingly positioned in the two cavities; and the two air outlets are used for leading air, leaded into the shell by the air wheels, to the front end of the air hole to form negative pressure in the air hole so as to forwards move the air at the back end of the air hole. The air conditioner cabinet greatly increases the air outlet quantity thereof.