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2 245 929

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IPC

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Application

2003107794/02, 2003-03-21

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Start date

2003-03-21

(22)

Actual filing date

2003-03-21

(45)

Published

2005-02-10

(72)

Inventor

Rudnev B.P.Sindarovskij A.N.Ptitsyn A.M.Djudin Ju.K.Korshunov V.V.Shestovets V.Z.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij, Proektnyj I Konstruktorskij Institut Gornogo Dela I Metallurgii Tsvetnykh Metallov" Fgup

METHOD FOR AGGLOMERATION OF FINE CRUSHED FLUORSPAR CONCENTRATES Russian patent published in 2005 - IPC

Abstract RU 2245929 C2

FIELD: pretreatment of fine crushed fluorspar concentrates useful as flux in metallurgy.

SUBSTANCE: claimed method includes agitation of concentrate with 8-18 % humidity, calcium hydroxide or calcium oxide and treacle in wt % of 1-2 and 2-6 as reduced to concentrate mass, respectively. Obtained wet mass if extruded through nozzle, cut to the desired dimensions, dried for 10-30 min at 60-120⁰C, and held at positive temperature for at least 5 days.

EFFECT: method for agglomeration of fine crushed fluorspar concentrates with increased humidity to obtain product of desired strength.

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RU 2 245 929 C2

Authors

Rudnev B.P.

Sindarovskij A.N.

Ptitsyn A.M.

Djudin Ju.K.

Korshunov V.V.

Shestovets V.Z.

Dates

2005-02-10—Published

2003-03-21—Filed