Mining machine excavator drum having liquid spray control

Details Mining machine excavator drum having liquid spray control Mining machine excavator drum having liquid spray control

1981-12-23

1984-09-11

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 87, E21C 3522

Patent

active

044706367

ABSTRACT:
A mining machine, e.g. for advancing a mine tunnel against a coal or rock face, comprises an elongated rotary excavator, e.g. in the form of a worm, provided with tools for attacking the face. The excavator is provided with nozzles for spraying a liquid adapted to reduce dust formation, usually water, and the nozzles are divided into angularly spaced zones respectively communicating wth a rotary distributing valve body which delivers the liquid to the group of nozzles trained upon the mine face while blocking flow to the other groups.

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