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Homotropal ventilation for longwall dust control.

Authors
Kelly-JS; Jankowski-RA
Source
World Min Equip 1985 Dec; 9(12):24-26
NIOSHTIC No.
10004970
Abstract
U.S. longwall operators find compliance with federal respirable dust regulations difficult to achieve and maintain. Research has found that a major problem on many faces is contamination of the face intake air. Most U.S. longwall faces are currently ventilated from headgate to tailgate. Air is routed up one or more of the headgate entries, through a crosscut, and down the face to a return entry at the tailgate, causing intake air to become contaminated prior to entering the face. Results from this evaluation clearly showed the benefits of homotropal ventilation, as intake dust levels on the face were reduced by over 60% when compared with levels on the majority of longwall faces in the United States.
Publication Date
19851201
Document Type
OP; Journal Article
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OP 31-86
Issue of Publication
12
ISSN
0746-729X
NIOSH Division
PRC
Source Name
World Mining Equipment
State
PA
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