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OFR 102-80 - Evaluation of the Kloswall Longwall Mining System. 1980.

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Summary

This report presents the results of evaluating a longwall mining system specifically designed to extract a very deep web (60 inches or deeper) from a longwall panel. The report includes a productivity and cost analysis comparing the new mining system with a high capacity conventional longwall operation taking a 30 -inch wide web. The analysis shows the new system will increase annual production 44 percent and decrease cost per ton off the face 21 percent. The report also includes conceptual drawings and specifications for a high capacity four -drum shearer and a unique shield type of roof support specifically designed for very wide web operation. The advantages and problems associated with wide web mining are discussed in general [...]

Contacts

Publisher :
U.S. Bureau of Mines
Author :
Guay, Paul J.

Attached Files

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USBM OFR 102-80_Evaluation of the Kloswall Longwall Mining System_Guay.pdf 106.35 MB application/pdf

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  • ReSciColl Archive

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