SU376468A1 - METHOD OF DECORATING LIQUID METAL - Google Patents

METHOD OF DECORATING LIQUID METAL

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Publication number
SU376468A1
SU376468A1 SU1634495A SU1634495A SU376468A1 SU 376468 A1 SU376468 A1 SU 376468A1 SU 1634495 A SU1634495 A SU 1634495A SU 1634495 A SU1634495 A SU 1634495A SU 376468 A1 SU376468 A1 SU 376468A1
Authority
SU
USSR - Soviet Union
Prior art keywords
melt
gas
liquid metal
metal
decorating liquid
Prior art date
Application number
SU1634495A
Other languages
Russian (ru)
Inventor
Г. С. Макаров Л. А. Логинов Г. В. Черепок Н. Гецелев В. К. Зиновьев В. Б. Гогин
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
Application filed filed Critical
Priority to SU1634495A priority Critical patent/SU376468A1/en
Application granted granted Critical
Publication of SU376468A1 publication Critical patent/SU376468A1/en

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Description

Изобретение относитс  к области металлургии , в частности к очистке металлов и сплавов от растворенных в них газов. Известен способ дегазации жидких металлов и сплавов продувкой расплава инертным 5 или активным газом, не раствор ющимс  в металле. Атомы растворенного в металле газа перемещаютс  при помощи конвективной диффузии к пузырькам продуваемого газа, переход т в них и удал ютс  вместе с ним из 10 расплава. Полнота очистки расплава от растворенных газов зависит от поверхности контакта между расплавом и пузырьками продуваемого газа и от времени пребывани  отдельного газового пузырька в расплаве. Не- 15 достаток известного способа заключаетс  в том, что пузырек продуваемого газа в расплаве не полностью насыщаетс  газом, растворенным в металле, из-за малого времени контакта с расплавом. Повышение зффектив- 20 ности дегазации в этом случае достигаетс  увеличением глубины ванны расплавленного металла и увеличением расхода продуваемого газа. Цель изобретени  - снижение расхода продуваемого газа и повышение чистоты по газам металла без увеличени  сло  дегазируемого металла. Это достигаетс  тем, что на продуваемый газом расплав накладывают поле электромагнитных сил, противоположно на- 30 25 правленных по отношению к силе т жести расплава. Это увеличивает чистоту продуваемого сплава по водороду в два раза и сокращает расход инертного газа. В нагретый тигель заливают алюминиевый сплав АМГ6 при 730°С и продувают сплав аргоном через пористую керамическую пробку в течение 5 мин с одновременным пропусканием через расплав переменного электрического тока плотностью 0,5 а/мм и взаимодействием магнитного пол  с индукцией 200 гс. При этом направление электрического тока и магнитного пол  выбирают таким, чтобы возникаемое поле электромагнитных сил имело противоположное направление по отношению к силе т жести расплава. Глубина сло  расплава 200 мм, расход аргона 2,5 л на I кг продуваемого расплава. Дл  сравнени  были такие проведены опыты по обработке сплава известным способом. Результаты опытов приведены в таблице. Содержание водорода, мл1100 г сплава Глубина сло  сплава, мм 3 Предмет изобретени  Способ дегазации жидкого металла продувкой газом, отличающийс  тем, что, с целью снижени  расхода продуваемого газа и повы- 5 4 шени  чистоты по газам металла, продувку ведут в поле электромагнитных сил, противоположно направленных силе т жести расплава , The invention relates to the field of metallurgy, in particular to the purification of metals and alloys from gases dissolved in them. The known method of degassing liquid metals and alloys by blowing the melt with an inert 5 or active gas that is not soluble in the metal. The atoms of the gas dissolved in the metal are transferred by convective diffusion to the bubbles of the purged gas, transferred into them and removed with it from 10 melts. The completeness of cleaning the melt from dissolved gases depends on the contact surface between the melt and the bubbles of the purge gas and on the residence time of a separate gas bubble in the melt. A disadvantage of this method is that the bubble of the purged gas in the melt is not fully saturated with gas dissolved in the metal, due to the short contact time with the melt. Increasing the efficiency of degassing in this case is achieved by increasing the depth of the molten metal bath and increasing the flow rate of the purged gas. The purpose of the invention is to reduce the flow rate of the purged gas and increase the purity of the metal gases without increasing the layer of degassed metal. This is achieved by the fact that the field of electromagnetic forces, opposite to those of 30 25 directed against the force of gravity of the melt, is applied to the gas blown by the melt. This increases the purity of the purged alloy in hydrogen twice and reduces the consumption of inert gas. Aluminum alloy AMG6 is poured into a heated crucible at 730 ° C and the alloy is blown with argon through a porous ceramic tube for 5 minutes while simultaneously passing an alternating electric current of 0.5 a / mm through the melt and the interaction of a magnetic field with an induction of 200 gf. In this case, the direction of the electric current and the magnetic field is chosen such that the resulting field of electromagnetic forces has the opposite direction with respect to the force of gravity of the melt. The depth of the melt layer is 200 mm, the flow rate of argon is 2.5 liters per I kg of the blown melt. For comparison, such experiments were carried out on processing the alloy in a known manner. The results of the experiments are given in the table. Hydrogen content, ml 1100 g of alloy Depth of alloy layer, mm 3 Subject of the invention. Method for degassing a liquid metal by gas blowing, characterized in that, in order to reduce the flow rate of the gas being blown and increase the purity of the metal gases, the blowing is conducted in the field of electromagnetic forces, oppositely directed melt strength

SU1634495A 1971-03-22 1971-03-22 METHOD OF DECORATING LIQUID METAL SU376468A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1634495A SU376468A1 (en) 1971-03-22 1971-03-22 METHOD OF DECORATING LIQUID METAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1634495A SU376468A1 (en) 1971-03-22 1971-03-22 METHOD OF DECORATING LIQUID METAL

Publications (1)

Publication Number Publication Date
SU376468A1 true SU376468A1 (en) 1973-04-05

Family

ID=20469068

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1634495A SU376468A1 (en) 1971-03-22 1971-03-22 METHOD OF DECORATING LIQUID METAL

Country Status (1)

Country Link
SU (1) SU376468A1 (en)

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