WO2022156228A1 - 一种用于超微粉制备的分布式气体喷出结构 - Google Patents

一种用于超微粉制备的分布式气体喷出结构 Download PDF

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Publication number
WO2022156228A1
WO2022156228A1 PCT/CN2021/116961 CN2021116961W WO2022156228A1 WO 2022156228 A1 WO2022156228 A1 WO 2022156228A1 CN 2021116961 W CN2021116961 W CN 2021116961W WO 2022156228 A1 WO2022156228 A1 WO 2022156228A1
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WO
WIPO (PCT)
Prior art keywords
channel
layer
gas
inner cavity
gas ejection
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Application number
PCT/CN2021/116961
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English (en)
French (fr)
Chinese (zh)
Inventor
钟笔
Original Assignee
钟笔
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202120201024.9U external-priority patent/CN214973592U/zh
Priority claimed from CN202110099345.7A external-priority patent/CN112774543A/zh
Application filed by 钟笔 filed Critical 钟笔
Priority to JP2023516550A priority Critical patent/JP2023540815A/ja
Publication of WO2022156228A1 publication Critical patent/WO2022156228A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside

Definitions

  • the invention belongs to the technical field of ultrafine powder preparation, in particular to a distributed gas ejection structure for ultrafine powder preparation.
  • the powder materials When preparing ultrafine powder materials, the powder materials need to be fully dispersed and then mixed with other materials.
  • a blowing pipe is commonly used to pass other materials into the materials to be prepared for blowing stirring or mixing.
  • the blowing pipe After the blowing pipe enters the inside of the device, it will cause interference to the carrier gas flowing through it. Moreover, the powder will accumulate around the blowing pipe, causing blockage.
  • the existence of the blowing pipe structure also makes it difficult to clean the inside of the equipment.
  • the object of the present invention is to provide a distributed gas jet structure for the preparation of ultrafine powder, which is used for gas jet heating, jetting heating and jetting when preparing ultrafine size materials by gas phase method (including chemical gas phase method and physical gas phase method). It is used in cooling, jet acceleration or jet mixing reactions to solve the deficiencies in the prior art.
  • a distributed gas ejection structure for the preparation of ultrafine powder which is a multi-layer structure with a channel inside, in which there are substances that need to be cooled or heated, or to be mixed or to be reacted, including gas, or gas-solid mixture. , or gas and fine droplet mixture or gas-solid-liquid three-phase mixture;
  • the multi-layer structure is composed of an inner layer structure and an outer layer structure, wherein the inner layer structure is a distributed gas ejection layer, the distributed gas ejection layer forms the channel, and the outer layer structure is an equipment shell structure,
  • the interlayer structure formed between the inner layer structure and the outer layer structure is a gas jet channel, and the gas flowing in the interlayer structure is the gas that needs to be jetted into the channel.
  • the gas injected into the channel and the carrier gas substance flowing in the channel be of the same type but different temperatures, or the carrier gas substance flowing in the channel must be different types of gas of various temperatures.
  • the outer layer structure is a single-layer structure or a double-layer jacket structure, wherein the single-layer structure is used under normal temperature working conditions.
  • the temperature is 0-100°C;
  • Coolant is introduced into the double jacket structure.
  • the distributed gas ejection layer is an orifice plate ventilation structure, and a drilling plate, a microporous material made of particles, a sintered plate or a mesh structure is selected; the orifice plate ventilation structure is rolled or spliced into the described The shape of the channel, the internal supply and demand of the gas, the substance and the carrier gas mixture pass through, and produce physical and/or chemical changes in it.
  • the total passing cross-sectional area of the holes of the orifice plate ventilation structure is less than 1/2 of the total area of the orifice plate ventilation structure; the air inlets of the distributed gas ejection layer are one or more, and the number of air inlets is one or more. with or without partitions.
  • the density of the holes on the drilling plate is more than 1500 holes per square meter, and the hole diameter is 1-4 mm.
  • the channel is respectively connected with the inner cavity of the front end structure and the inner cavity of the rear end structure;
  • the inner shape and inner diameter of the inner cavity of the front end structure, the inner shape and inner diameter of the channel, and the inner shape and inner diameter of the inner cavity of the rear end structure are the same or similar, or have different inner shapes or inner diameters;
  • connection between the inner cavity of the front end structure, the inner cavity of the channel and the inner cavity of the rear end structure adopts a stepped connection or a gentle deformation connection, or the channel is the inner cavity of the front end structure and Transit deformation body of the inner cavity of the rear end structure.
  • the outer layer structure is connected to the outer shell of the front end structure and the outer shell of the rear end structure, the inner shape and inner diameter of the inner cavity of the outer layer structure, the inner shape and inner diameter of the inner cavity of the outer shell of the front end structure and the outer shell of the rear end structure.
  • the inner shape and inner diameter of the lumen are the same or similar, or have different inner shape or inner diameter;
  • connection between the inner cavity of the outer layer structure, the inner cavity of the shell of the front end structure and the inner cavity of the shell of the rear end structure should use a stepped connection, a gentle deformation connection, or,
  • the inner cavity of the outer layer structure is a transit deformation body of the inner cavity of the front end structure and the inner cavity of the rear end structure.
  • a thermal insulation structure is arranged in the jet channel, and the thermal insulation structure is a single-layer structure or a multi-layer structure;
  • the single-layer structure is made of thermal insulation or temperature resistant felt material, porous honeycomb thermal insulation or temperature resistant material, thermal insulation or heat resistant material;
  • the multi-layer structure is a multi-layer structure composed of one or more heat-insulating or temperature-resistant materials.
  • a heating or cooling structure is arranged in the jet channel, including a heating pipe, a protective intermediate frequency heating, a resistance heating, an electromagnetic heating, a hot liquid pipe or a cooling liquid pipe.
  • the distributed gas jetting structure for preparing microscopic materials of the present invention is mainly used for jet heating, jet cooling and jet acceleration when preparing ultra-fine size materials by gas phase method (including chemical gas phase method and physical gas phase method). or used in jet mixing reactions.
  • FIG. 1 is a schematic structural diagram of a distributed gas ejection structure for ultrafine powder preparation according to the present invention.
  • Cooling Agent inlet 10 distributed gas ejection layer, 11, first intermediate layer thermal insulation structural unit, 12, second intermediate layer thermal insulation structural unit, 13, outer layer structure.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, indirect connection through an intermediate medium, or internal communication between two elements.
  • installed may be a fixed connection or a detachable connection Connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, indirect connection through an intermediate medium, or internal communication between two elements.
  • the present application provides a distributed gas ejection structure for ultrafine powder preparation, the front end is connected with the front end structure, and the rear end is connected with the back end structure.
  • the structure is composed of a multi-layer structure, and a channel is formed inside, and the channel needs to be cooled or heated, or needs to be mixed or needs to be reacted.
  • the circulating substances include, but are not limited to, gas, gas-solid mixture, gas and mist (fine droplet) mixture or gas-solid-liquid mixture, etc., and may also include carrier gas for carrying the above substances to flow in the channel.
  • the type of carrier gas is not limited here, and can be any gas that can be used, such as nitrogen or inert gas.
  • the multi-layer structure is composed of an inner layer structure and an outer layer structure 13, wherein the inner layer structure is a distributed gas ejection layer 10, and the distributed gas ejection layer 10 forms the above-mentioned channels.
  • the outer layer structure 13 is the shell structure of the equipment, the sandwich structure formed between the inner layer structure and the outer layer structure 13 is a jet channel, and the gas flowing in the sandwich structure is the gas that needs to be injected into the channel.
  • the inner layer structure is a distributed gas ejection layer 10 made of an orifice plate structure, an orifice mesh structure or other materials with a microporous structure.
  • the orifice plate ventilation structure of the distributed gas ejection layer 10 can be selected from drilled plate, microporous material pressed by particles, or sintered plate, orifice mesh and other structures. , you need to select the injection speed.
  • the orifice plate is rolled or spliced into the shape of the above-mentioned channel to be used, and the gas, substance and carrier gas mixture that is supplied and required inside pass through and produce physical and/or chemical changes therein.
  • the size and number of the holes of this structure can be set according to the needs of use, and the total cross-sectional area of the holes can be required to be less than 1/2 of the total area of the plate.
  • the air inlets 2 of the distributed gas ejection layer 10 may be one or more, and partitions may (or not) be arranged between the plurality of air inlets, so as to control the amount of air intake at each position, and the gas can be supplied from the outside.
  • the air unit is passed into the air jet channel. If the outer layer structure 13 is a double jacket structure and a thermal insulation structure is provided in the air injection channel, the air inlet 2 needs to communicate with the air injection channel through the relevant structure.
  • the density of the holes on the drilling plate is more than 1500 holes per square meter, and the hole diameter is 1-4mm.
  • a front connection structure 1 connected with the front end structure, such as a flange, a quick joint or other connection units; Such as flanges, quick connectors or other connection units.
  • the equipment housing structure of the outer layer structure 13 is a single-layer structure or a double-layer jacket structure.
  • the single-layer structure is used for normal temperature working conditions, and the normal temperature gas that needs to be injected into the channel at 0-50°C is fed, and the temperature of the material flowing in the channel is 0-100°C.
  • the normal temperature gas injected into the channel is mainly used to accelerate gas flow or non-high temperature reaction.
  • the double-layer jacket structure is mainly cooling equipment, and the equipment can be cooled by cooling liquid in the double-layer jacket structure to protect the equipment from working for a long time.
  • a coolant inlet 9 and a coolant outlet 3 are provided on the equipment shell structure of the outer layer structure 13, wherein the coolant inlet 9 is connected with the coolant supply device through a pipeline, The coolant outlet 3 is connected to the coolant return line.
  • the equipment housing structure is provided with at least a first channel 4 and a second channel 8 for energization, liquid or ventilation for heating or cooling the intermediate thermal insulation layer, for use in the thermal insulation structure.
  • the channels are respectively connected with the inner cavity of the front end structure and the inner cavity of the rear end structure.
  • the front end of the passage is the intake end 6
  • the rear end is the air outlet end 7 .
  • the inner shape and inner diameter of the inner cavity of the front end structure, the inner shape and inner diameter of the channel, and the inner shape and inner diameter of the inner cavity of the rear end connecting structure are the same or similar, or have different inner shapes or inner diameters;
  • connection between the inner cavity of the front end structure, the inner cavity of the channel and the inner cavity of the rear end structure adopts a stepped connection or a gentle deformation connection, or the channel is the inner cavity of the front end structure and Transit deformation body of the inner cavity of the rear end structure.
  • the outer layer structure 13 is connected to the outer shell of the front end structure and the outer shell of the rear end structure, the inner shape and inner diameter of the inner cavity of the outer layer structure 13, the inner shape and inner diameter of the inner cavity of the outer shell of the front end structure and the inner diameter of the outer shell of the rear end structure.
  • the inner shape and inner diameter of the cavity are the same or similar, or have different inner shape or inner diameter;
  • the connection between the inner cavity of the outer layer structure 13, the inner cavity of the shell of the front-end structure and the inner cavity of the shell of the rear-end structure should use a stepped connection, a gentle deformation connection, or , the inner cavity of the outer layer structure 13 is a transit deformation body of the inner cavity of the front-end structure and the inner cavity of the rear-end structure.
  • a thermal insulation structure can be arranged in the air jet channel, and the thermal insulation structure can be a single layer or a combination of multiple layers of various materials.
  • the single-layer structure can be made of insulating or temperature-resistant felt-like materials, porous honeycomb-structured insulating or temperature-resistant materials, insulating or heat-resistant materials, and the like.
  • the multi-layer structure can be composed of one or more thermal insulation or temperature-resistant materials, which can not only meet the needs of thermal insulation, but also maintain a good degree of coordination between the outer wall of the thermal insulation layer and the outer shell structure, and can also maintain the inner wall of the thermal insulation layer and the middle layer.
  • the heating or cooling structure or the inner orifice structure is well matched, and it cooperates well with the passing air jet, and does not form a cross influence (meaning that the air jet blows off the insulation material or damages the insulation material, or the insulation material falls off and enters the air jet to form pollutants entering the interior. aisle).
  • the thermal insulation structure includes a first intermediate layer thermal insulation structure unit 11 and a second intermediate layer thermal insulation structural unit 12 , and the two intermediate layer thermal insulation structural units are used in combination.
  • the intermediate layer thermal insulation structural unit may have other structures.
  • a heating or cooling structure can be set in the jet channel, which can be various heating or cooling methods such as heating tube, protection intermediate frequency heating, resistance heating, electromagnetic heating, hot liquid tube heating, cooling liquid tube cooling, etc.
  • heating tube protection intermediate frequency heating, resistance heating, electromagnetic heating, hot liquid tube heating, cooling liquid tube cooling, etc.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Glanulating (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
PCT/CN2021/116961 2021-01-25 2021-09-07 一种用于超微粉制备的分布式气体喷出结构 WO2022156228A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023516550A JP2023540815A (ja) 2021-01-25 2021-09-07 超微粉末を調製するための分散型気体噴出構造

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202120201024.9U CN214973592U (zh) 2021-01-25 2021-01-25 一种用于超微粉制备的分布式气体喷出结构
CN202120201024.9 2021-01-25
CN202110099345.7A CN112774543A (zh) 2021-01-25 2021-01-25 一种用于超微粉制备的分布式气体喷出结构
CN202110099345.7 2021-01-25

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WO2022156228A1 true WO2022156228A1 (zh) 2022-07-28

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WO (1) WO2022156228A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
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US4743405A (en) * 1985-08-16 1988-05-10 Liquid Carbonic Industrias S/A Apparatus for injecting a gas into a liquid flow
CN106115211A (zh) * 2016-08-22 2016-11-16 江苏众胜灭菌设备科技有限公司 过热蒸气对药品食品粉末灭菌***中的冷却卸料装置
CN205815497U (zh) * 2016-06-07 2016-12-21 燕京啤酒(桂林漓泉)股份有限公司 在线气体、液体混合器
CN207487460U (zh) * 2017-09-18 2018-06-12 合肥热电集团有限公司 一种盘管冷却装置
CN208236518U (zh) * 2018-05-24 2018-12-14 湖南聚辉能源科技有限公司 一种气体发动机的气体混合器
CN112774543A (zh) * 2021-01-25 2021-05-11 钟笔 一种用于超微粉制备的分布式气体喷出结构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8420042B2 (en) * 2010-09-21 2013-04-16 High Temperature Physics, Llc Process for the production of carbon graphenes and other nanomaterials
WO2014074458A1 (en) * 2012-11-06 2014-05-15 H R D Corporation Reactor and catalyst for converting natural gas to organic compounds
MX2018010079A (es) * 2016-02-23 2019-01-21 Sagetech Medical Equipment Ltd Mejoras para la elaboracion y reelaboracion de agentes anestesicos volatiles usando fluidos supercriticos.
CN210303554U (zh) * 2019-07-26 2020-04-14 上海鲁风环保工程有限公司 一种一体化物料干化造粒装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743405A (en) * 1985-08-16 1988-05-10 Liquid Carbonic Industrias S/A Apparatus for injecting a gas into a liquid flow
CN205815497U (zh) * 2016-06-07 2016-12-21 燕京啤酒(桂林漓泉)股份有限公司 在线气体、液体混合器
CN106115211A (zh) * 2016-08-22 2016-11-16 江苏众胜灭菌设备科技有限公司 过热蒸气对药品食品粉末灭菌***中的冷却卸料装置
CN207487460U (zh) * 2017-09-18 2018-06-12 合肥热电集团有限公司 一种盘管冷却装置
CN208236518U (zh) * 2018-05-24 2018-12-14 湖南聚辉能源科技有限公司 一种气体发动机的气体混合器
CN112774543A (zh) * 2021-01-25 2021-05-11 钟笔 一种用于超微粉制备的分布式气体喷出结构

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TWI820580B (zh) 2023-11-01
TW202228839A (zh) 2022-08-01

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