NIOSHTIC-2 Publications Search

Impact of Water Sprays on Scrubber Ventilation Effectiveness.

Authors
Volkwein-JC; Wellman-TS
Source
MISSING :12 pages
Link
NIOSHTIC No.
10007252
Abstract
The U.S. Bureau of Mines conducted a study to assess the impact of a directional water spray system on a unique single-inlet dust scrubber on a low-profile mining machine. Tests were conducted in a full-scale model mine using a continuous mining machine. Tracer gas was introduced at the face and concentrations of the tracer gas were monitored at the face and in the return. Various parameters tested included mining position, depth of cut, brattice setback, and combinations of scrubber, and directional or symmetrical sprays. Results indicated that either water spray configuration improved the ventilation effectiveness of the scrubber by a factor of 2 to 3. Average face ventilation effectiveness (fve) values for all testing of the scrubber and directional sprays were 0.95, Versus 0.37 For a standard 20-ft blowing curtain without sprays. No fve values were less than the standard 20-ft blowing results.
Publication Date
19890101
Document Type
IH; Report of Investigations;
Fiscal Year
1989
Identifying No.
RI 9259
NIOSH Division
PRC;
Source Name
MISSING
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division