METHOD OF ALUMINOTHERMIC PRODUCTION OF METAL POWDERS AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2020 - IPC C22B34/12 C22B5/04 

Abstract RU 2729691 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to production of metal powders. Method of producing metal powders, for example titanium and silicon, is carried out by aluminothermic reduction from liquid tetrachlorides at low temperatures and pressure of 1.0–1.05 atm. At that, tetrachloride is supplied to aluminum block surface at the rate providing drip or jet-drop mode of efflux. To implement the method, I use a device which is a cylindrical reactor with a conical collector of products in the lower part. Compact unit of highly pure aluminum is installed in the reactor. Device is equipped with tetrachloride dosing unit, as well as temperature and pressure control and stabilization units.

EFFECT: method enables controlling the dosage of the supplied tetrachloride and thereby avoiding an increase in the rate of the process above the controlled level.

3 cl, 1 dwg

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RU 2 729 691 C2

Authors

Begunov Albert Ivanovich

Begunov Aleksej Albertovich

Dates

2020-08-11Published

2018-12-05Filed