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2 112 188

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IPC

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Application

97101311/02, 1997-01-29

(22)

Actual filing date

1997-01-29

(45)

Published

1998-05-27

(72)

Inventor

Obolenskij V.L.Paliga N.G.Staroverov V.V.Lysov F.I.Kolesov M.V.Rodin V.I.Sidel'Kovskij L.N.Tumanovskij V.A.

(73)

Holder

Rossijsko-Shvejtsarskoe Sovmestnoe Predprijatie Aktsionernoe Obshchestvo Zakrytogo Tipa

ROTARY FURNACE FOR DEHYDRATION OF ALUMINIUM FLUORIDE Russian patent published in 1998 - IPC

Abstract RU 2112188 C1

FIELD: rotary furnaces; dehydration and drying of loose materials in food-processing and chemical industries; production of aluminium fluoride. SUBSTANCE: rotary furnace includes body with metal shell mounted coaxially inside it; shell is provided with thermal expansion compensators made in the form of corrugations; furnace is also provided with fasteners. Corrugations are made with inner undercutting of rectilinear section connecting the rounded-off sections of corrugations at an angle of 28-32 deg between rectilinear sections. Shell is secured to body by means of movable joint in the form of coaxial rod secured on shell and pipe secured on body. EFFECT: increased furnace service life from 0.5 to 1.5 years; increased number of heat changes shell from 30 to 120 without break. 3 dwg

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RU 2 112 188 C1

Authors

Obolenskij V.L.

Paliga N.G.

Staroverov V.V.

Lysov F.I.

Kolesov M.V.

Rodin V.I.

Sidel'Kovskij L.N.

Tumanovskij V.A.

Dates

1998-05-27—Published

1997-01-29—Filed

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