Research on air sprays and unique foam application methods. Thirty third monthly report, May 1-31, 1984
The construction of the longwall mockup gallery has been completed. Testing has been completed and the data analyzed for the air sprays system. A maximum of 75% air spray effectiveness was obtained from the data analysis. Laboratory tests on pick face foaming and flushing foam through scroll sprays were successfully completed. The first underground testing of the foam system through the scroll sprays as well as external sprays located on the lead ranging arm was conducted. Data analysis revealed a 58% reduction in dust concentration at the operator's position for the 40 gpm foam system as compared to the existing 80 gpm water spray system. Dust samples analyzed by Consol personnel provided a greater than 60% reduction of dust concentration at the operator's position. The second field test of the foam system was very successful and the mining company was considering using the system on a long-term basis. However, the operating cost of the system was higher than the cost the mining company was willing to afford, and consequently further operation of the foam system was suspended.
- Research Organization:
- Engineers International, Inc., Westmont, IL (USA)
- DOE Contract Number:
- AI01-81FE00016
- OSTI ID:
- 7088667
- Report Number(s):
- DOE/FE/00016-T42; ON: DE84014674
- Country of Publication:
- United States
- Language:
- English
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