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2 545 649

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IPC

B02C19/00(2006-01-01)

B02C17/00(2006-01-01)

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Application

2013147662/13, 2013-10-24

(24)

Start date

2013-10-24

(22)

Actual filing date

2013-10-24

(45)

Published

2015-04-10

(72)

Inventor

Karnatskij Vladimir AleksandrovichKamornikov Sergej VladimirovichSavitskij Leonid Valer'EvichProkopenko Aleksandr Vasil'EvichShishkin Anatolij Anatol'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Irkutskij Nauchno-Issledovatel'Skij Institut Blagorodnykh I Redkikh Metallov I Almazov OaoAktsionernaja Kompanija Aktsionernoe Obshchestvo)

GRINDING OF KIMBERLITES Russian patent published in 2015 - IPC B02C19/00 B02C17/00

Abstract RU 2545649 C1

FIELD: process engineering.

SUBSTANCE: invention relates to dressing of minerals, particularly, to self-grinding of kimberlites. Proposed method comprises selective grinding of kimberlites by drum mill spinning about horizontal axis. Grinding is executed with ore loading under water conditions. Drum mill rpm is selected from the relationship 0.635n_cr<n_”опт”<0.655n_cr, where $n_{c r} = 42,3 / \sqrt{D},$ n_cr is drum mill critical rpm MMC, min^-1, D is mill diameter, m. Degree of drum mill filling with ore makes 35-45% at content of solids of 55-65%.

EFFECT: reduced impact loads destructing the diamond crystals.

1 tbl

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RU 2 545 649 C1

Authors

Karnatskij Vladimir Aleksandrovich

Kamornikov Sergej Vladimirovich

Savitskij Leonid Valer'Evich

Prokopenko Aleksandr Vasil'Evich

Shishkin Anatolij Anatol'Evich

Dates

2015-04-10—Published

2013-10-24—Filed