Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

36 results about "Solid gas" patented technology

Solid to Gas. The process which is used to convert solid to gas is known as sublimation. It diverts the flow of instinctual energy and solid converts into gas without passing through the liquid stage. Only some compounds like solid carbon dioxide can go through the process at normal atmospheric pressure.

Gas hydrate stable preservation device and system

The utility model relates to a gas hydrate stable preservation device and system, and the device comprises an upper housing which is provided with a first cylinder body and a top cover, and the bottom of the first cylinder body is open and is provided with a switch valve; the piston reciprocates in the first barrel, a first pressure cavity is defined between one side of the piston and the first barrel, a second pressure cavity is defined between the other side of the piston and the first barrel, the second pressure cavity contains pressurized liquid, a first channel and a second channel are formed in the piston, and a spraying head is arranged at the bottom of the second channel; the lower shell is provided with a second barrel and a bottom plate located on the second barrel, the top of the second barrel is open and detachably connected with the switch valve, pressurized liquid is injected into the second pressure cavity to drive the piston to move towards the extending position, and the gas hydrate in the first pressure cavity is compressed and formed under pressurization of the piston to obtain the solid gas hydrate. And then the switching valve is opened, and the solid gas hydrate is transferred to the lower shell for low-pressure storage.
Owner:SOUTH CHINA UNIV OF TECH

Hybrid welding process for wind power tower drum

The invention discloses a hybrid welding process for a wind power tower drum, which relates to the technical field of wind power tower drum welding and comprises a pretreatment stage, a root filling stage, a single-wire submerged arc filling stage and a one-time filling welding stage for the inner side and the outer side of a drum body, according to the process, solid gas shielded welding, single-wire submerged-arc automatic welding and double-wire submerged-arc automatic welding are combined, carbon arc air gouging back gouging is not needed, procedures are reduced, the cost of auxiliary consumables, personnel, power energy and the like is reduced, carbon gouging and polishing are reduced in the welding process, the workshop smoke dust concentration is reduced by 50% or above, and the welding quality is improved. The arc light radiation is weakened by more than 30%, noise pollution of more than 85 dB generated by carbon arc air gouging is eliminated, the working environment of workers is improved, meanwhile, groove abnormity and weld joint repair caused by carbon arc air gouging back gouging are reduced, and the first-pass yield of weld joints is increased to more than 95%.
Owner:SUZHOU TITAN WIND EQUIP CO LTD

Gas hydrate stable storage device, system and method

The present invention relates to a gas hydrate stable storage device, system and method, comprising: an upper shell, which has a first cylinder and a top cover, the bottom of the first cylinder is open and is equipped with a switch valve; a piston, which reciprocates inside the first cylinder, a first pressure chamber is defined between one side of the piston and the first cylinder, and a second pressure chamber is defined between the other side of the piston and the first cylinder, the second pressure chamber receives pressurized liquid, a first channel and a second channel are provided inside the piston, and a spray head is provided at the bottom of the second channel; a lower shell, which has a second cylinder and a bottom plate located on the second cylinder, the top of the second cylinder is open and is detachably connected to the switch valve, pressurized liquid is injected into the second pressure chamber to drive the piston to move to an extended position, so that the gas hydrate in the first pressure chamber is compressed and formed under the pressure of the piston to obtain solid gas hydrate, and then the switch valve is opened to transfer the solid gas hydrate to the lower shell for low-pressure storage.
Owner:SOUTH CHINA UNIV OF TECH

OLED organic light-emitting material collecting device

The utility model belongs to the field of OLED organic light-emitting materials, and particularly relates to an OLED organic light-emitting material collecting device which comprises a working box, an observation window is fixedly connected in the working box, two glove extending holes are formed in the observation window, the outer side of the working box is fixedly communicated with a solid-gas separation device, and the solid-gas separation device is fixedly communicated with the working box. And an air injection assembly is arranged on the outer side of the working box. The sealing elastic cloth is pulled to drive the elastic rope to stretch so as to extract mixed gas in the transmission pipe, then the sealing elastic cloth is loosened to drive the sealing elastic cloth to rapidly rebound through the elastic rope, so that the mixed gas enters the working box along the exhaust pipe, and due to the shape of the exhaust pipe, the mixed gas enters the working box through the elastic rope. By means of the structure, the mixed gas is in a rotating smoke ring shape, is gradually expanded when leaving the exhaust pipe and is provided with part of power, and residual materials on the baffle can be struck through the carried power and dry ice particles, so that the materials are scoured down, and waste of the materials is reduced.
Owner:SUZHOU FENGHUA NEW MATERIAL TECH CO LTD

Liquid filling ventilation device

The utility model relates to the technical field of tools for chemical reagent production workshops, and discloses a liquid filling ventilation device which comprises a wind scooper, mounting holes are formed between the upper side wall and the lower side wall of the four corners of the wind scooper, and a solid gas processing mechanism is arranged at the top end of the wind scooper. And two active air draft mechanisms are symmetrically arranged at the top of the fixed gas treatment mechanism, and the solid gas treatment mechanism comprises a sealing cover fixedly connected to an opening in the upper portion of the wind scooper. The whole liquid filling ventilation device adopts an integrated hoisting structure design, the bottom of the whole liquid filling ventilation device is provided with the wind scooper which can be installed in a hoisting mode, the solid gas processing mechanism is arranged above the wind scooper, and the active air draft mechanism is arranged above the solid gas processing mechanism. The whole device can be conveniently and flexibly arranged and mounted in a chemical reagent workshop through the mounting holes in the wind scooper at the bottom of the device in cooperation with bolts.
Owner:NANJING CHEM REAGENT

Dry hydrogen production device and method

A dry hydrogen production device includes: a reactor to which water or vapor is not supplied; heating means configured to heat the reactor to 200 to 800° C.; a supply line for hydroxide of at least one of alkali and alkali earth connected to the reactor; a biomass supply line connected to the reactor; at least one carrier gas supply line connected to the reactor; a gas phase reaction product outflow line connected to the reactor, a solid-gas separator connected to the gas phase reaction product outflow line; and a gas separator connected to the solid-gas separator.
Owner:GAS CO +1

A catalyst discharging device and method for a synthesis reactor

The present invention provides a catalyst unloading device and method for a synthesis reactor, wherein a negative pressure is formed by a fan, and a solid-gas mixing chamber, a separator and a dust collector are sequentially arranged along the airflow direction on the air path between the synthesis reactor and the air inlet of the fan; the solid-gas mixing chamber is a shell structure of an indoor cavity, and a tangential inlet of the separator is introduced through a discharge pipe in the middle of the front bottom end along the airflow direction in the cavity, and an adjusting air duct with an adjusting valve is formed in the middle of the rear bottom end, and the air volume can be adjusted by adjusting the opening of the adjusting valve, and the solid-gas mixing chamber leads out a plurality of particle suction pipes connected to the cavity and independent of each other from the peripheral wall, and each particle suction pipe is inserted into the catalyst bed in the tube from the top of the corresponding tube array and can move up and down in the tube array; the outlet of the separator is connected to the inlet of the dust collector through the air duct, and the outlet of the dust collector is connected to the air inlet of the fan through the air duct. The present invention is easy to implement and maintain, saves manpower and operation time, and reduces costs and improves efficiency.
Owner:INNER MONGOLIA MENGWEI TECH CO LTD +1

Cigarette chamber material separation device for ceramsite sand rotary kiln

The utility model provides a smoke chamber material separation device for a ceramsite sand rotary kiln, and relates to the technical field of material separation, the smoke chamber material separation device comprises a cyclone separator main body, a spiral gas transmission cavity is arranged at the upper part in the cyclone separator main body, and the cyclone separator main body, an exhaust pipe, a strip-shaped hole and a filter screen are matched for use, so that the separation of materials is facilitated; during operation, the gas inlet pipe of the cyclone separator main body is communicated with an outlet of a smoke chamber of the rotary kiln, gas containing solids enters the cyclone separator main body and then is conveyed by the spiral gas conveying cavity, and large-particle materials are separated from smoke by the spiral gas conveying cavity through centrifugal force. Separated materials fall into a collecting hopper below through a second drain outlet in the bottom end, gas enters an exhaust pipe through a strip-shaped hole and then is exhausted through the exhaust pipe, meanwhile, a filter screen is arranged on the surface of the strip-shaped hole, solid-gas separation is further facilitated, the mode is easy to operate, and material separation is facilitated.
Owner:GONGYI SHUNYUAN CERAMIC SAND CO LTD

Use of fulvic acid in gas hydrate production

The application discloses application of fulvic acid as a gas hydrate promoter in preparation of gas hydrate and belongs to the technical field of solidified gas storage. A solution with a concentration of 0.1-3 wt% of fulvic acid is used as a gas hydrate promoter, gas is introduced into a high-pressure reaction kettle containing the gas hydrate promoter at low temperature, and solid gas hydrate is obtained after rapid reaction. The application uses natural soil organic matter, is widely available, cheap, green, environment-friendly, non-polluting, and has outstanding effects of promoting growth of hydrate, can significantly shorten the induction time of hydrate formation and enhance the gas storage density, and has a good application prospect.
Owner:FUZHOU UNIV

Compressed air solidification energy storage device

The compressed air solidification energy storage device comprises a water storage tank and an air storage tank, the outer side of the air storage tank is wrapped with a hollow heat exchanger, the heat exchanger and the water storage tank are connected through a liquid pipeline, an electric heating dehumidification pipe is installed in the middle of the interior of the air storage tank, and an opening is formed in the top end of the air storage tank; a gas pipeline and a power line connected with the electric heating dehumidification pipe are led out; the gas storage tank is filled with a solid gas storage material, the solid gas storage material comprises an upper-layer gas storage material and a lower-layer gas storage material, compared with the lower-layer gas storage material, the influence of moisture on the gas storage performance of the upper-layer gas storage material is small, and a separation net is arranged between the upper-layer gas storage material and the lower-layer gas storage material; the gas pipeline is connected with a pressure gauge and then is divided into two paths, one path is a gas outlet pipeline and comprises a valve II, a pressure reducing valve and a valve III which are connected in sequence, and the other path is a gas inlet pipeline and comprises a pressure release valve, a valve IV, a drying filter pipe and a valve V which are connected in sequence. The storage efficiency of the compressed air can be effectively improved.
Owner:CHINA UNIV OF MINING & TECH

Composite oxalate modified pentaamino tetrazole gas generating agent and preparation method thereof

The invention provides a composite oxalate modified pentaamino tetrazole gas generating agent and a preparation method thereof.The gas generating agent comprises a solid gas generating agent and a composite oxalate coolant, and the composite oxalate coolant comprises an oxalate compound A and an oxalate compound B, wherein the mass ratio of strontium oxalate in the composite oxalate coolant is 30%-40%. The composite oxalate modified pentaaminotetrazole gas generating agent is beneficial to slagging of the gas generating agent, the combustion temperature is obviously reduced, and the combustion performance is obviously improved.
Owner:NANJING UNIV OF SCI & TECH

Carbon sequestration synergistic independent shallow foundation structure and construction method thereof

The invention provides a carbon sequestration and efficiency improvement independent shallow foundation structure and a construction method thereof. The carbon sequestration and efficiency improvement independent shallow foundation structure comprises a gas sequestration strengthening area located in a foundation soil body, and the top of the gas sequestration strengthening area and the bottom face of a foundation pit are located on the same plane; the solid-gas strengthening area comprises a gas filling pipe and a porous particle layer arranged outside the gas filling pipe; the gas filling pipe is vertically arranged at the axis of the solid-gas strengthening area and is used for inputting CO2 gas into the solid-gas strengthening area; quicklime is distributed in the porous particle layer. The method has the beneficial effects that the cementation effect of calcium cementation on loose bodies in the space can be facilitated, the bearing capacity and deformation modulus of a foundation can be improved, the foundation stability and the bearing capacity can be improved in the construction period and for a long time, and meanwhile the ecological benefits of carbon sequestration and carbon reduction are further achieved; and the construction difficulty and the construction cost are low.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Scanning method, scanning system, and position information acquisition method

A scanning method for optically scanning an array plate (1) comprising a plurality of spots (3) on a front surface thereof comprises: forming at least one of a solid-gas interface and a solid-solid interface in a first region (1a) of the front surface of the plate by bringing a gas or solid into contact with the first region (1a), and an interface forming step of forming a solid-liquid interface in a second region (1b) of the front surface of the plate by bringing the liquid into contact with the second region (1b), the plurality of spots (3) being included in the second region (1b); a step of optically acquiring first position information on an interface position of at least one of the solid-gas interface and the solid-solid interface; and a step of acquiring second position information on an interface position of the solid-liquid interface on the basis of the first position information.
Owner:CANON KK

A multi-phase state dangerous chemical leakage recovery system and a recovery method

The application discloses a multi-phase state dangerous chemical product leakage recovery system, which comprises sequentially connected gas-liquid-solid separation module, gas-liquid separation module, gas absorption module and gas adsorption module; the gas-liquid-solid separation module comprises a gravity separator and a solid-liquid collection tank; the gas-liquid separation module comprises a gas-liquid separator and a liquid collection reaction tank; the gas absorption module comprises a Venturi scrubber and a sealed gas-liquid reaction tank; and the gas adsorption module comprises an adsorption chamber; the gas phase separated from the gravity separator and the liquid phase of the solid-liquid collection tank are transported to the gas-liquid separation module, liquid phase and part of the gas phase are absorbed in the gas-liquid separation module, the gas-liquid separator is sequentially connected to the gas absorption module and the gas adsorption module, and the gas phase is absorbed in the gas absorption module and the gas adsorption module. The application can simultaneously recover and efficiently dispose of dangerous chemical product leakage liquid, solid and gas.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A solid gas target for inert gas quantitative storage and a preparation method thereof

The application discloses a solid gas target for inert gas quantitative storage and a preparation method thereof. The solid gas target comprises a shell, a high-adsorption porous material is arranged in the shell, inert gas is adsorbed in the high-adsorption porous material, a thin tube section is connected to the top of the shell and communicates with the inside of the shell, and a sealing filler is arranged in the thin tube section. The shell is in a cylindrical shape, and the thin tube section is connected to the curved surface of the shell. The application is oriented to inert gas quantitative storage, a low-neutron-interference porous material with special adsorption capacity for inert gas is designed and synthesized as the solid gas target, on-demand forming and sealing technologies of the inert gas adsorbent are researched, and the solid gas target sample meeting neutron source testing is prepared.
Owner:XI AN JIAOTONG UNIV

Method for operating an SOFC for the combined production of electricity and nitric oxide

A method for the combined production of electricity and nitric oxide, comprising the steps of: providing an SOFC comprising an anodic side comprising a solid gas-permeable anode, a gas inlet and a gas outlet, a cathodic side comprising a solid gas-permeable cathode and a gas inlet and a gas outlet, and a fully dense solid electrolyte, separating the cathodic side from the anodic side; introducing an oxygen-containing gas in the inlet of the cathodic side of the SOFC; introducing an ammonia-containing gas stream in the inlet of the anodic side of the SOFC; collecting nitric oxide at the outlet of the anodic side and collecting a current flowing between the anodic side and the cathodic side.
Owner:YARA INTERNATIONAL ASA

Process and system for reducing metal oxides

UndeterminedAE202602090AMaterials scienceReducing agent
The invention relates to a process for reducing metal oxides comprising feeding metal oxides (100, 200) and a reducing agent (101, 201) to a first reactor (106, 206) to obtain pre-reduced metal oxides (116b, 216b) and a first gaseous by-product (116a, 216a), and feeding the pre-reduced metal oxides (116b, 216b) and a reducing agent (110, 210) to a second reactor (114, 214) to obtain further reduced metal oxides (115, 215) and a second gaseous by-product (117a, 217a). The pre-reduced metal oxides (116b, 216b) are fed to the upper half of the second reactor (114, 214) and / or the pre-reduced metal oxides (116b, 216b) are fed to a solid gas separator (208) prior to being fed to the second reactor (114, 214). The invention also relates to a system for reducing metal oxides.

A gas film insulation and cooling device for gas source of solid fuel gas generator

An air film heat insulation and cooling device for a gas source of a solid fuel gas generator is composed of an aircraft hood, a generator fixing bracket, a solid fuel gas generator, a fuel gas filter and rectifying tank, a gas regulating and conveying system, and a gas distribution device; wherein the generator fixing bracket is fastened to the inner walls of the upper and lower sides of the aircraft hood with screws, and the solid fuel gas generator is fastened to the middle right side of the generator fixing bracket with bolts; the fuel gas filter and rectifying tank is connected to the solid fuel gas generator by a flange and sealed by an O-ring; the gas regulating and conveying system is connected to the fuel gas filter and rectifying tank by a pipe joint and sealed by a spherical cone surface, and the gas distribution device is connected to the gas regulating and conveying system by a pipe joint and sealed by a spherical cone surface. The present invention can obtain gas with a relatively low temperature, cleanliness, and stable conveying pressure, can greatly simplify the gas source supply system, and greatly reduce the ablation of the aircraft hood material.
Owner:GALAXY ENERGY BEIJING SPACE TECH CO LTD +1

1.-2. Container for liquid or solid gas

Ornamental design for a multi-component cup, for use in mixing clearcoat (i.e., paint, or coating) sub-components; Broken lines illustrate unclaimed environmental subject matter, and form no part of the claimed design.
Owner:PPG INDUSTRIES OHIO INC

A compressed air solidification energy storage device

This invention discloses a compressed air solidification energy storage device, comprising a water tank and a gas tank. A hollow heat exchanger is wrapped around the outside of the gas tank, and the heat exchanger is connected to the water tank via a liquid pipeline. An electrically heated dehumidifying pipe is centrally installed inside the gas tank. An opening is provided at the top of the gas tank, leading outwards to a gas pipeline and a power cord connected to the electrically heated dehumidifying pipe. The gas tank is filled with a solid gas storage material, comprising an upper layer and a lower layer. The moisture content of the upper layer has less impact on the gas storage performance compared to the lower layer. An isolation mesh is arranged between the upper and lower layers. A pressure gauge is connected to the gas pipeline, which then splits into two lines: a gas outlet pipeline, including valves two, three pressure reducing valves, and three valves connected in sequence; and a gas inlet pipeline, including a pressure relief valve, four valves, a drying filter pipe, and five valves connected in sequence. This invention can effectively improve the storage efficiency of compressed air.
Owner:CHINA UNIV OF MINING & TECH

Solid gas sorption, storage and separation

The present invention relates to a method for promoting the adsorption of one or more gases onto a solid particulate material, the method comprising the step of ball-milling the solid particulate material at an operating speed of at least 200 rpm, (i) in the presence of one or more gases maintained at a pressure of at least 300 kPa, and (ii) using a ratio of milling balls to solid particulate material of at least 60:1.
Owner:DEAKIN UNIVERSITY

A composite oxalate-modified pentaaminotetrazole gas generating agent and preparation method thereof

The present invention provides a composite oxalate-modified pentaaminotetrazole gas generator and a preparation method thereof. The gas generator comprises a solid gas generator and a composite oxalate coolant. The composite oxalate coolant comprises oxalate compound A and oxalate compound B, wherein the mass fraction of strontium oxalate in the composite oxalate coolant is 30% to 40%. The composite oxalate-modified pentaaminotetrazole gas generator facilitates slagging, significantly reduces combustion temperature, and significantly improves combustion performance.
Owner:NANJING UNIV OF SCI & TECH

Solid gas hydrate stabilizer composition, method of making solid gas hydrate, solid gas hydrate

The application relates to the technical field of natural gas safe storage and transportation, and discloses a solid gas hydrate stabilizer composition and application thereof, a method for preparing solid gas hydrate and the solid gas hydrate. The composition contains the following components which are mixedly stored or independently stored: a solidified hole blocking agent, a structure reinforcing agent, the solidified hole blocking agent is a non-polar organic liquid with a freezing point lower than an ice point; and the structure reinforcing agent is an organic high molecular compound and a hydrophilic organic liquid with a content weight ratio of 0.01-0.1:1. The solid gas hydrate stabilizer composition provided by the application can solidify and block the pore channels of the solid gas hydrate, and simultaneously form a reticular crosslinked structure in the pore channels, thereby reducing the decomposition rate of the solid gas hydrate, and improving the structural stability of the solid gas hydrate in a storage state.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Device for melting solid gas

The invention relates to a device (8) for melting a solid gas (2), comprising a closed loop (12) through which the same gas as the solid gas (2) circulates in the form of a liquid (6) and a loop, in which the closed loop (12) comprises at least one inlet (14) for receiving the solid gas (2) and an outlet (16) at which the liquid gas (6) is configured to exit the closed loop (12), wherein the melting device (8) comprises at least one heat exchanger (18) which performs heat exchange between the liquid gas (6) configured to flow in a loop form through the closed loop (12) and another fluid.
Owner:GAZTRANSPORT & TECHNIGAZ SA

A multi-stage filtering device for a solid fuel gas generator and a method of installing the same

The application discloses a kind of multistage filter devices for solid gas generator, including shell, first filter, adsorption ring, support structure and second filter;The shell axial one end is the air inlet end of multistage filter device, and is connected with the outlet of solid gas generator, the shell axial other end is the air outlet end of multistage filter device;The first filter and second filter are arranged in the shell, and the first filter is connected with the port of shell air inlet end, and the second filter is connected with the port of shell air outlet end;The first filter and second filter outside are equipped with support structure, and the support structure is equipped with adsorption ring between shell inner wall;The gas entering from the air inlet end of the shell is filtered in turn through the first filter, adsorption ring and second filter.The application also discloses a corresponding installation method.The application meets the working requirement of downstream actuating system through three-stage filtration, and solves the problem of reliable filtration of solid residue-rich gas.
Owner:STATE OWNED HONGLIN MASCH FACTORY

Planetary polar region air cushion patrol robot based on in-situ solid gas sublimation driving

The invention discloses a planetary polar region air cushion patrol robot based on in-situ solid gas sublimation driving, belongs to the technical field of deep space exploration and specialized robots, and is suitable for low-energy-consumption and long-period patrol of the surfaces of solid volatile substances such as Mars polar crowns and Mu ice satellites. The robot comprises a sublimation heating chassis used for heating solid volatile substances to generate sublimation gas; the flexible sealing skirt edge on the periphery of the chassis and the planet surface are enclosed to form a semi-closed gas collection cavity for accumulating gas; a flow guide channel, an air injection nozzle array and a valve control assembly are arranged on the periphery of the air collection cavity, so that accurate regulation and control of air flow and injection are achieved; the posture and propulsion control module is used for jointly adjusting the heating power and the valve control opening degree, dynamically balancing the pressure of a gas collection cavity and controlling the thrust; and the energy and heat management system directionally conducts heat of the heat source to the heating chassis. Controllable suspension gas film pressure is formed through in-situ sublimation gas, thrust is generated through a nozzle, and suspension movement and posture control of the robot on the target surface are achieved.
Owner:HARBIN INST OF TECH

Non-pressure-storage perfluorohexanone fire extinguishing device suitable for multiple scenes and capable of spraying multiple times

The invention discloses a non-pressure-storage perfluorohexanone fire extinguishing device suitable for multiple scenes and capable of spraying multiple times, and relates to the technical field of fire extinguishing devices, the non-pressure-storage perfluorohexanone fire extinguishing device comprises a shell, and further comprises a rear end cover, an isolation plate, a piston and a front end cover which are sequentially arranged in the axis direction of the shell; the number of the isolation plates is at least two, and the isolation plates are connected in series and fixed through a connecting shaft. Gas production cabins are formed between the isolation plates and between the isolation plates and the rear end cover, and solid gas production agents are loaded in the gas production cabins; a propulsion cabin is formed between the isolation plate close to the front end cover and the piston; a plurality of air passages I are formed in the connecting shaft, and the number of the air passages I is the same as that of the gas production cabins; one end of the air passage I is communicated with the gas producing cabin, and the other end is communicated with the propelling cabin; a medicine cabin is formed between the piston and the front end cover, and a drip-proof valve is mounted on the front end cover; the cooling and fire extinguishing efficiency of the energy storage power station system can be improved.
Owner:ZHONGJI UNITED (YANTAI) IND TECHNOLOGY CO LTD

Solid gas distribution disc and chemical vapor deposition device

The invention discloses a solid gas distribution disc and a chemical vapor deposition device, and belongs to the technical field of chemical vapor deposition devices. The solid gas distribution disc comprises a distribution disc body and an annular structural part, a gas inlet is formed in the center of the top of the distribution disc body, a plurality of exhaust holes are formed in the bottom of the distribution disc body, a flow guide channel is formed in a first thickness layer in the distribution disc body, and one end of the flow guide channel communicates with the gas inlet; the other end of the flow guide channel extends in the radial direction of the distribution disc body, a plurality of flow guide through holes are formed in the second thickness layer in the distribution disc body, and the flow guide through holes communicate with the corresponding exhaust holes; the annular structural part is arranged on the annular wall of the distribution disc body in a sleeving mode, an annular air cavity is defined between the annular structural part and the distribution disc body, and the ends, facing the annular structural part, of the flow guide through holes and the flow guide channels communicate with the annular air cavity. The whole gas distribution plate is not prone to being affected by high-temperature deformation, and the flatness of the bottom of the gas distribution plate is guaranteed.
Owner:NINGBO JIANGFENGXINCHUANG TECH CO LTD +1

A method for preparing a spherical glass structure

The present invention provides a method for preparing a spherical glass structure, by adding a sheet-shaped solid gas release agent sheet into a shallow groove, and utilizing the gas released by the solid gas release agent sheet when heated to drive the glass sheet to be hot-formed, thereby forming a wafer-level spherical glass structure. The method has a simple process flow, is convenient to operate, can be accurately quantified, ensures the consistency of the spherical glass structure, and is particularly suitable for large-scale industrial production. At the same time, the present invention can not only accurately control the quality of the solid gas release agent sheet, flexibly adjust the content of the gas release agent powder therein, and prepare a spherical glass structure of a desired size, but also can obtain a spherical glass structure with a roughness similar to or lower than that of the original polished glass sheet. In addition, the preparation method of the spherical glass structure of the present invention has the advantages of low production cost, high reliability, low environmental pollution, etc., and meets the current strict requirements of large-scale production for high efficiency, low consumption, and environmental protection, as well as the high cleanliness standards of ultra-clean rooms.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Thermal spraying smoke dust recovery device

The utility model discloses a thermal spraying smoke dust recovery device, which relates to the technical field of environmental protection equipment, and comprises a box body, a smoke dust treatment chamber and a gas treatment box, the smoke dust treatment chamber is arranged between the box body and the gas treatment box, one side of the box body is provided with a sealing door, a sample placing table is arranged in the box body, and the gas treatment box is provided with a gas outlet. A sample fixture is arranged on the upper side of the sample placing table, and the middle of the upper side of the box body is fixedly communicated with a smoke exhaust hood. Smoke dust is sucked into the separation pipe through the exhaust assembly, particles of the smoke are separated to purify gas under the action of the separation pipe, the purified gas is exhausted through the first exhaust pipe, the gas purified for the first time is exhausted into the purification liquid through the gas inlet pipe, harmful gas in the gas is purified for the second time, and the purification effect is good. And the gas after secondary purification is discharged into the air through the exhaust pipe II, so that the effects of solid-gas separation and gas purification of the flue gas generated by thermal spraying are achieved, and the purpose of environmental protection is achieved.
Owner:SHENYANG UNIV