APPARATUS FOR CONTROLLING FLOATED DUST POWDER AND LIKE IN LONG WALL TYPE COAL MINING FACE

摘要

A sheltering apparatus for use in the long wall face of mine wherein a plurality of plates are arranged in overlapping manner between a self-advancing support and an adjacent plate, and hung from wires whose ends are fixed to the supports through springs, and an air curtain is fixed at the front open portion of the support, whereby floating dust and falling dusty materials can be repelled from entering the inner space of the supports.