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2 013 132

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C1

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IPC

(21) (22)

Application

5015803/33, 1991-12-10

(22)

Actual filing date

1991-12-10

(45)

Published

1994-05-30

(72)

Inventor

Berkovich T.B.Samarin V.M.Shcherbakov V.I.

(73)

Holder

Irkutskij Gosudarstvennyj Nauchno-Issledovatel'Skij Institut Redkikh I Tsvetnykh Metallov

METHOD OF CRUSHING ORE Russian patent published in 1994 - IPC

Abstract RU 2013132 C1

FIELD: crushing and milling. SUBSTANCE: method involves two stage crushing of ore. Sands of spiral classifier of first crushing stage are distributed between first and second stages of crushing in the ratio of 1: 1. Circulation load of first stage of crushing is set up from 50 to 60 per cent, and drainage agent of hydraulic cyclone of minus 0.16 mm coarseness of second step of first stage of crushing is withdrawn from classification cycle as finished product. EFFECT: enhanced crushing capability. 1 dwg, 1 tbl

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RU 2 013 132 C1

Authors

Berkovich T.B.

Samarin V.M.

Shcherbakov V.I.

Dates

1994-05-30—Published

1991-12-10—Filed

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