NASA NTRS · 19850000233
Automated Coal-Mining System
Abstract
Proposed system offers safety and large return on investment. System, operating by year 2000, employs machines and processes based on proven principles. According to concept, line of parallel machines, connected in groups of four to service modules, attacks face of coal seam. High-pressure water jets and central auger on each machine break face. Jaws scoop up coal chunks, and auger grinds them and forces fragments into slurry-transport system. Slurry pumped through pipeline to point of use. Concept for highly automated coal-mining system increases productivity, makes mining safer, and protects health of mine workers.
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Gangal, M. D., Isenberg, L., Lewis, E. V.. 1985-10-01. Automated Coal-Mining System. https://ntrs.nasa.gov/citations/19850000233
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