Apparatus for controlling water spraying operations in mineral m

Details Apparatus for controlling water spraying operations in mineral m Apparatus for controlling water spraying operations in mineral m

1976-11-01

1978-01-17

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 34, 299 17, 299 12, E21C 3522

Patent

active

040688933

ABSTRACT:
A mineral mining installation has a conveyor along which a winning machine such as a plough, is guided for movement back and forth along a mineral face. A series of water-spray nozzles are distributed along the working and is divided in the operational sense into different groups. Each of these groups is controlled by a valve which allows water to pass through non-return valves to one or two adjacent groups of nozzles. The control valves are in turn operated by further valves disposed remote from the actual working zone and these further valves are operated by local means separate and remote from the machine and providing signals and an indication, dependent on the distance moved by the machine and hence its position as it progresses along the face.

REFERENCES:
patent: 3826535 (1974-07-01), Fujimori et al.
patent: 3853354 (1974-12-01), Weirich et al.

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