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105results about How to "Big air" patented technology

Synthesized methanol and synthesized methane co-production method and equipment

The invention discloses a synthesized methanol and synthesized methane co-production method comprising the steps: carrying out pressure gasification on a carbon-containing raw material to obtain crude synthesis gas containing the main components: CH4, H2, CO and CO2, adding a part or all of crude synthesis gas into steam to carry out conversion reaction so as to convert a part of CO into H2 and CO2, then, and purifying and removing sulfides and most of CO2 to increase the ratio of hydrogen to carbon and obtain fresh gas; carrying out methanol synthesis by using a part or all of the fresh gas, and carrying out methanation reaction by using a part or all of the reaction gas after methanol synthesis to obtain artificially synthesized natural gas; adjusting the yield of the synthesized natural gas through adjusting the CO conversion rate and the gas flow and yield of synthesized methanol. The invention also discloses a device for the synthesized methanol and synthesized methane co-production method. According to the invention, the yield of the synthesized natural gas is adjusted through adjusting the CO conversion rate at a CO conversion section and the gas flow and yield of synthesized methanol; meanwhile, the surge of circulating equipment is avoided, the production cost and investment are reduced, and the economic benefit is increased.
Owner:杭州林达化工技术工程有限公司

Fructus phyllanthi porous particle for cigarette filter and application of porous particle

The invention discloses a fructus phyllanthi porous particle for a cigarette filter and an application of the porous particle. Fructus phyllanthi serves as a raw material, the raw material is pulped and super-finely grinded, acquired mixture is processed by combining compound enzyme, processed mixture is freeze-dried to obtain fructus phyllanthi powder, fungal polysaccharide serves as a binding agent, and top spraying is performed by a fluidized bed to prepare the fructus phyllanthi porous particle. 1-2 mg of particles are applied into the cigarette filter per millimeter in the production process of compound cigarette filters, the contents of phenol and crotonic aldehyde in cigarette smoke can be effectively reduced, and the porous particle has double functions of increasing flavor and keeping humidity. The fungal polysaccharide serves as the binding agent, loss of flavor substance in the particle making process can be effectively made up, flavor content in a cigarette is remarkably increased, fine and smooth degree and sweet feeling of the smoke are obviously improved, and oral comfort is improved. The acquired particle furthest keeps flavor substances of the fructus phyllanthi and has the functions of relieving throat discomfort, promoting fluid, quenching thirst and the like. The particle is simple in production process, convenient to operate and low in cost and has good application values, raw materials are easily acquired, and industrial production is conveniently achieved.
Owner:CHINA TOBACCO YUNNAN IND

Screw-type air compressor with external air intake and dust filtering functions

The invention discloses a screw-type air compressor with external air intake and dust filtering functions. The air compressor comprises a compressor body, wherein the compressor body comprises an air intake system. The air compressor is characterized in that the air intake system comprises an independent air intake channel which is composed of a rectangular box; the air intake channel box is isolated from an internal heat source of the compressor; the start end of the air intake channel is an air inlet; the air inlet is arranged on a door plate of the compressor; a noise reducer and a partition board are arranged behind the air inlet in sequence; the surface of the partition board is provided with sound absorption foam; and the tail end of the air intake channel is connected with an air filter of the air compressor. Through the air intake system provided by the invention, the air sucked by the machine is completely cool air, and a filter screen on the door plate has the function of electrostatic precipatation; and the partition board in the air intake channel box can block part of sucked dust, thus air entering in the compressor is cleaner, and simultaneously the sound absorption foam on the partition board can absorb the air intake noise.
Owner:SHANGHAI INGERSOLL RAND COMPRESSOR CO LTD

Industrial preparation method of producing nano calcium carbonate by recycling filter-pressing water

The invention relates to an industrial preparation method of producing nano calcium carbonate by recycling filter-pressing water, and is used for solving a problem that a nano calcium carbonate product is poor in repeatability and unstable in quality after the existing water treatment technology is utilized to treat the filter-pressing water in an existing preparation method. The industrial preparation method comprises the following steps: filtering the filter-pressing water in a nano calcium carbonate producting process by using a high temperature resistant filter press, keeping the water temperature at 65 DEG C-85 DEG C, modulating the mass concentration of digested calcium hydroxide liquor to 6%-10%, and controlling the temperature to 22 DEG C-35 DEG C; then, filling into a reaction kettle, regulating the temperature of Ca(OH)2 suspension liquid to 25 DEG C-40 DEG C; ventilating a gas mixture of carbon dioxide and nitrogen gas into a carbonization reaction kettle at the velocity of 0.6-0.8 cubic meter / second, adding a dispersing agent which accounts for 0.02%-0.05% of the total weight of the Ca(OH)2 in the suspension liquid of the Ca(OH)2, heating a nano calcium carbonate sizing agent to 55 DEG C-65 DEG C, and adding a coating agent. The industrial preparation method disclosed by the invention realizes the closed cycle of nano calcium carbonate process water.
Owner:SHANXI LANHUA HUAMING NANO MATERIALS

High-speed permanent magnet motor

The invention discloses a high-speed permanent magnet motor. The high-speed permanent magnet motor comprises a motor casing and a radial bearing seat, wherein a rotor is supported to the motor casing and the radial bearing seat through a left radial hydrostatic bearing, a right radial hydrostatic bearing and an axial hydrostatic bearing; the left radial hydrostatic bearing, the right radial hydrostatic bearing and the axial hydrostatic bearing are porous hydrostatic bearings adopting a low-viscosity gaseous and liquid two-phase fluid as a lubricating medium. The liquid phase of the low-viscosity two-phase fluid of the high-speed permanent magnet motor has the characteristic of low viscosity coefficient, so that the fluid can penetrate through a porous bushing, part of the liquid is gasified due to pressure reduction in the process, and part of the liquid arrives to gaps between the bearings and the rotor; the part of liquid of the low-viscosity two-phase fluid is continuously gasified when discharged from the bearings in the axial direction, so that the amount of gas in the gaps is increased, the bearing capacity of the high-speed permanent magnet motor is improved, and the position precision of the hydrostatic gas bearings is maintained; besides, the liquid part of the low-viscosity two-phase fluid cools the hydrostatic bearings and the motor rotor in the gasifying process.
Owner:浙江福腾流体科技有限公司

Gasification nozzle

ActiveCN101773889ABlowing forceGood gasification effectSpray nozzlesLiquid spraying apparatusFly ashElectromagnetic valve
The invention relates to a gasification nozzle in a gasification system of containers for storing powdery materials. A spray head (1) is welded at the front end of a nozzle body (4); a pressing plate (2) is connected with the spray head (1); a polytetrafluoroethylene gasket (11) is arranged between a connecting cylinder (5) outside the gasification nozzle and the nozzle body (4) for sealing and the connecting cylinder and the nozzle body are connected through internal threads; a polytetrafluoroethylene gasket (13) is arranged between a reducing connector (14) and the nozzle body (4) for sealing and the reducing connector and the nozzle body are connected through internal threads; the reducing connector (12) is connected with the air outlet end of a pulse electromagnetic valve body (17) through a short thread (14); a pulse electromagnetic valve coil (18) is arranged on the pulse electromagnetic valve body (17); and an air inlet rubber pipe (16) is connected to the air inlet of the pulse electromagnetic valve body (17) through a rubber pipe movable joint (15). The invention can be used in the gasification places of storage devices (transit warehouses, ash buckets and the like) of the powdery materials and the like generated by coal fired power plants (fly ash), cement plants (clinker), iron and steel companies (sintering machines) and the like.
Owner:岳波

Micro bubble generator and diffusion crushing technology-based ship micro bubble generating device

The invention discloses a micro bubble generator, comprising a bubble nozzle, a fluid core, a shell and an end cover. A water inlet is formed in the shell or the end cover; the fluid core is of a hollow shuttle structure, and an exhaust vent is formed around the maximum diameter of the cross section of the fluid core; the fluid core is arranged in the shell of the bubble generator; one end of the shell is sealed by the end cover and the other end of the shell is provided with the bubble nozzle. A diffusion crushing technology-based 10000-ton class ship micro bubble generating device comprises a water inlet pipe, a filter unit, a water pump, a connection hose, the micro bubble generator, an air inlet pipe and an air blower. The water inlet pipe is connected with the water pump; the filter unit is arranged on the water inlet pipe; the water pump is connected with the water inlet of the micro bubble generator through the connection hose; an air inlet of the micro bubble generator is connected with the air blower through the air inlet pipe. The micro bubble generator and the diffusion crushing technology-based ship micro bubble generating device overcome the problems that, in the existing air curtain drag reduction technology, small air bubble diameter and great air flow cannot be realized simultaneously, the manufacturing cost is high, and manufacturing is difficult.
Owner:ZHEJIANG UNIV

Method and system for removing solvents from isocyanates obtained from phosgenation reaction

The invention relates to a method and system for removing solvents from isocyanates obtained from phosgenation reaction with an aim to reduce content of heavy components in the solvents, improving purity of the solvents and increasing operation elasticity. Corresponding amine and the solvents are mixed through the phosgenation reaction and then mixed and reacted with phosgene in a mixer to obtainmixed liquor with materials including isocyanate, the solvents, the phosgene, HCI and the like, the phosgene and the solvents are removed from the mixture via a phosgene removing tower and a solvent removing tower respectively, and crude isocyanates free from the phosgene and the solvents and solvents containing the phosgene and HCl light components and trace isocyanate heavy components are obtained. With the method, content of the heavy components in the cyclic solvents can be effectively reduced, plugging frequency of the amine and the phosgene mixer is reduced, self-polymerization pollutionin a tray and scaling pollution in a reboiler are reduced, operation stability is improved, and meanwhile, energy consumption during solvent removal can be reduced; the method and system is simple inprocess, convenient in operation, energy saving, high in production efficiency and environment friendly.
Owner:WANHUA CHEMICAL (NINGBO) CO LTD

Bothway air inflation hand-pulling air cylinder

The invention relates to a bothway air inflation hand-pulling air cylinder. The bothway air inflation hand-pulling air cylinder comprises a cylinder body and a piston. The piston divides the inside of a cylinder main body into an upper air chamber and a lower air chamber. The cylinder body comprises the cylinder main body, an upper cover and a base. A linkage pipe penetrates through the center of the upper cover. The bothway air inflation hand-pulling air cylinder is characterized in that the air cylinder further comprises an upper air outlet channel, a lower air outlet channel, a connecting pipe and an air guide chamber; an upper air outlet valve plate is arranged in the upper air outlet channel, a lower air outlet valve plate is arranged in the lower air outlet channel, the connecting pipe is arranged outside the cylinder main body, and the upper end and the lower end of the connecting pipe are connected and communicated with the upper air outlet channel and the lower air outlet channel respectively; the air guide chamber is arranged inside the piston, the upper surface of the piston is provided with an upper valve port and an upper breather valve plate, and the lower surface of the piston is provided with a lower valve port and a lower breather valve plate. Due to the fact that the upper air outlet channel is formed in the cylinder body, the trouble brought to customers due to the fact that the connecting pipe moves up and down along with a handle in the air inflating process is saved; in the air inflating process, the entire linkage pipe is filled with air during air inflation or air suction, the air amount is greatly increased compared with a traditional two-way inflation air cylinder, and thus the air inflation efficiency of the air cylinder is also greatly improved.
Owner:NINGBO BRAVO MFG OF INFLATORS & ACCESSORIES

Multifunctional nitrogen making device

The invention relates to the technical field of nitrogen making, and relates to a multifunctional nitrogen making device. A part of purified air is fed to the bottom of a rectifying tower after heat exchange is carried out through a main heat exchanger, the other part of the purified air is pressurized through a supercharger, is cooled after heat exchange is carried out through the main heat exchanger and then is fed into an ET2 expansion machine to be refrigerated and fed into a waste nitrogen pipe network, oxygen-enriched liquid air is obtained at the bottom of the rectifying tower and is fed to the top of a condensing evaporator after passing through a liquid air subcooler and after throttling, liquid nitrogen in the condensing evaporator flows back to the top of the rectifying tower to serve as backflow liquid of the rectifying tower, waste nitrogen obtained on the top of the a lower pressure side of the condensing evaporator is fed into an ET1 expansion machine for expansion refrigeration, the reheated waste nitrogen is fed into a purifying system, high-purity nitrogen is obtained on the top of the rectifying tower, the high-purity nitrogen is output externally after being reheated by the main heat exchanger or after being reheated by the main heat exchanger and passing through the supercharger in sequence, and liquid nitrogen is output externally after high-purity liquid nitrogen passes through a liquid nitrogen subcooler. The multifunctional nitrogen making device has the advantages of being low in energy consumption, high in extraction ratio, good in economic benefit, flexible and reliable in adjustment and suitable for gas making industries.
Owner:浙江海畅气体股份有限公司

Coke oven smoke flue capable of adjusting airflow and adjusting method

The invention belongs to the field of coke ovens, in particular to a coke oven smoke flue capable of adjusting airflow and an adjusting method. Based on the problems that the interior of the existingcoke oven smoke flue has a flat hollow cavity structure, the overall flue gas in the coke oven is uniformly distributed and the airflow of the smoke flue cannot be adjusted so that the temperature ata furnace head is difficultly increased, the coke oven smoke flue disclosed by the invention is invented. The coke oven smoke flue comprises a coke flue main body and a smoke flue main body, wherein asupport plate is fixedly connected to one side of the coke flue main body; an adjusting base is fixedly connected to the top of the support plate; a mounting chamber is arranged on the adjusting base; and one end of the smoke flue main body extends into the mounting chamber. The coke oven smoke flue disclosed by the invention has a reasonable structure and is simple to operate; through a drivingmotor, two adjusting plates can be mutually approached to each other or mutually away from each other, so that the airflow volume in the smoke flue main body can be regulated; and through changing airflow pressure distribution in the smoke flue main body, the airflow dynamic pressure of the furnace head part is increased, the volume of gas of a blast furnace for heating the furnace head part is increased, and the temperature of the furnace head is increased.
Owner:ZHANGJIAGANG HONGCHANG STEEL PLATE CO LTD +1
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