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2 065 972

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C1

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IPC

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Application

93030982/03, 1993-06-01

(22)

Actual filing date

1993-06-01

(45)

Published

1996-08-27

(72)

Inventor

Trofimov N.A.Mokhirev N.N.Stukalov V.A.Tripolko A.S.Panasjuk B.F.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD FOR ADJUSTING AIR FLOW RATE IN MINE HEADINGS Russian patent published in 1996 - IPC

Abstract RU 2065972 C1

FIELD: ventilation of mine headings. SUBSTANCE: auxiliary fans are located on opposite walls in single cross-sectional area of mine headings. For better air flow rate adjustment number of auxiliary fans on each side wall is determined by following formula: n = b(d+0,3565l)-1, where: n-number of auxiliary fans installed along one wall of heading; b-height of heading, m; d-diameter of outlet hole for free air flow, m; l-distance from fans to cross section plane of heading where heading is fully filled with free air streams, m. Fans are positioned uniformly over wall height so that axes of fans are located horizontally at an angle to longitudinal axis of heading. EFFECT: high efficiency. 2 dwg

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RU 2 065 972 C1

Authors

Trofimov N.A.

Mokhirev N.N.

Stukalov V.A.

Tripolko A.S.

Panasjuk B.F.

Dates

1996-08-27—Published

1993-06-01—Filed

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