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Research on Water Proportioning for Dust Control on Longwalls.

Authors
Kok-EG; Adam-RFJ
Source
For Reference Only At Bureau Libraries :138 pages
Link
NIOSHTIC No.
10005128
Abstract
Compliance with respirable dust standards is presently a critical problem in many longwall faces equipped with double drum shearers. Results are presented of research performed to increase the quantity and optimize the distribution of the water supplied to the shearer drums to control the shearer operator dust exposure. The effect on the total respirable dust produced by the shearer was also examined. During the research effort, a simple and inexpensive manually controlled valve system was designed and implemented on a shearer to distribute the water supplied to the shearer drums. Research showed that increases in water quantities are beneficial, but associated pressure increases may induce respirable dust boilover, thus negating potential advantages. Other essential parameters such as location of shearer operator, outside spray orientation, and air quantity were considered in the evaluation.
Publication Date
19860101
Document Type
CP; Final Contract Report;
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OFR 56-86
NIOSH Division
PRC;
Source Name
For Reference Only At Bureau Libraries
Performing Organization
Ketron, Inc.
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