RU2019120709A - Method for plasma production of powders of inorganic materials and device for its implementation - Google Patents

Method for plasma production of powders of inorganic materials and device for its implementation Download PDF

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Publication number
RU2019120709A
RU2019120709A RU2019120709A RU2019120709A RU2019120709A RU 2019120709 A RU2019120709 A RU 2019120709A RU 2019120709 A RU2019120709 A RU 2019120709A RU 2019120709 A RU2019120709 A RU 2019120709A RU 2019120709 A RU2019120709 A RU 2019120709A
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RU
Russia
Prior art keywords
plasma
melt
jet
plasmatron
nozzle channel
Prior art date
Application number
RU2019120709A
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Russian (ru)
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RU2019120709A3 (en
RU2743474C2 (en
Inventor
Анатолий Владимирович Николаев
Андрей Анатольевич Николаев
Дмитрий Евгеньевич Кирпичев
Original Assignee
Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН)
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Application filed by Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН) filed Critical Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук (ИМЕТ РАН)
Priority to RU2019120709A priority Critical patent/RU2743474C2/en
Publication of RU2019120709A3 publication Critical patent/RU2019120709A3/ru
Publication of RU2019120709A publication Critical patent/RU2019120709A/en
Application granted granted Critical
Publication of RU2743474C2 publication Critical patent/RU2743474C2/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge

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  • Physical Or Chemical Processes And Apparatus (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Silicon Compounds (AREA)
  • Plasma Technology (AREA)

Claims (2)

1. Способ плазменного производства порошков неорганических материалов, включающий плавление исходного материала в плавильном устройстве и диспергирование струи расплава в реакторе плазменного диспергатора токоведущей плазменной струей, отличающийся тем, что диспергирование струи расплава в плазменном диспергаторе осуществляют токоведущей плазменной струей в канале сопла плазмотрона диспергатора.1. A method of plasma production of inorganic materials powders, including melting the starting material in a melting device and dispersing a melt jet in a plasma disperser reactor with a current-carrying plasma jet, characterized in that the melt jet is dispersed in a plasma disperser by a current-carrying plasma jet in the nozzle channel of the disperser plasmatron. 2. Устройство для осуществления предложенного способа производства порошков неорганических материалов, содержащее печь для плавки исходного материала, плазменный диспергатор расплава, оснащенный струйным плазмотроном, сборник конечного целевого продукта - порошка, источники исходного материала и плазмообразующего газа, фильтрующие устройства для сбора побочных продуктов и утилизаторы тепловой энергии отходящих газов, отличающееся тем, что расплав из сливного отверстия тигля плавильной печи или сливных отверстий тиглей печей (круговой слив) подают в начальную область канала сопла плазмотрона; расплав, поступающий в канал сопла плазмотрона, диспергируют токоведущей плазменной струей посредством ее кинетической энергии и энергии электопереноса в дуговых пятнах (катодном или анодном), возникающих на расплаве в канале сопла плазмотрона, длина канала сопла lc равна двум диаметрам сопла dc.2. A device for implementing the proposed method for the production of powders of inorganic materials, comprising a furnace for melting the starting material, a plasma melt disperser equipped with a jet plasmatron, a collection of the final target product - powder, sources of starting material and plasma-forming gas, filtering devices for collecting by-products and heat utilizers energy of exhaust gases, characterized in that the melt from the drain hole of the melting furnace crucible or the drain holes of the furnace crucibles (circular drain) is fed into the initial region of the plasmatron nozzle channel; The melt entering the plasmatron nozzle channel is dispersed by the current-carrying plasma jet by means of its kinetic energy and the energy of electric transfer in arc spots (cathode or anode) that appear on the melt in the plasmatron nozzle channel, the length of the nozzle channel l c is equal to two nozzle diameters d c .
RU2019120709A 2019-07-03 2019-07-03 Method of plasma synthesis of powders of inorganic materials and apparatus for implementation thereof RU2743474C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2019120709A RU2743474C2 (en) 2019-07-03 2019-07-03 Method of plasma synthesis of powders of inorganic materials and apparatus for implementation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2019120709A RU2743474C2 (en) 2019-07-03 2019-07-03 Method of plasma synthesis of powders of inorganic materials and apparatus for implementation thereof

Publications (3)

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RU2019120709A3 RU2019120709A3 (en) 2021-01-11
RU2019120709A true RU2019120709A (en) 2021-01-11
RU2743474C2 RU2743474C2 (en) 2021-02-18

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2311225C1 (en) * 2006-04-05 2007-11-27 Институт металлургии и материаловедения им. А.А. Байкова РАН Plasma device for producing nano-powders
US20160332232A1 (en) * 2015-05-14 2016-11-17 Ati Properties, Inc. Methods and apparatuses for producing metallic powder material
RU2671034C1 (en) * 2017-08-28 2018-10-29 Государственный научный центр Российской Федерации - федеральное государственное унитарное предприятие "Исследовательский Центр имени М.В. Келдыша" Installation for preparing particles of powder and method of its work
CN109304471B (en) * 2018-10-30 2023-10-03 湖南天际智慧材料科技有限公司 Plasma atomizing powder process equipment suitable for high-melting point metal

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Publication number Publication date
RU2019120709A3 (en) 2021-01-11
RU2743474C2 (en) 2021-02-18

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