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2 462 596

(13)

(51)

IPC

E21F5/00(2006-01-01)

E21F17/103(2006-01-01)

(21) (22)

Application

2011106535/03, 2011-02-21

(24)

Start date

2011-02-21

(22)

Actual filing date

2011-02-21

(45)

Published

2012-09-27

(72)

Inventor

Zubov Vladimir PavlovichOvcharenko Grigorij Vasil'Evich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Gornyj Institut Imeni G.V. Plekhanova Universitet)"

METHOD OF ISOLATION OF EMERGENCY SECTION OF UNDERGROUND MINE WORKING Russian patent published in 2012 - IPC E21F5/00 E21F17/103

Abstract RU 2462596 C1

FIELD: mining.

SUBSTANCE: method includes well drilling between surface and roof of underground mine working, delivery of hardening material to the mine working in case of emergency situation related to coal fire breeding. Section of underground mine working is driven in the place of isolating barrier wall erection; height of mine working is increased towards the middle of the section. Well is drilled between ground surface and point of maximum height of underground mine working. Hardening material is delivered to the mine working till mine working section driven with various height is completely filled. Maximum height of mine working in the middle of this section is determined by expression h_max≥h_b+tgφ·b/2h where h_maxis maximum height of underground mine working on the section of isolation barrier wall erection, m; h_b is height of underground mine working outside the section within which isolation barrier wall is erected, m; φ is angle of hardening material spreading, degrees; b is width of underground mine in the rough, m.

EFFECT: improving reliability of emergency section isolation during underground fire.

2 dwg

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RU 2 462 596 C1

Authors

Zubov Vladimir Pavlovich

Ovcharenko Grigorij Vasil'Evich

Dates

2012-09-27—Published

2011-02-21—Filed