Method for depositing dust during hydraulicking of minerals by a

Details Method for depositing dust during hydraulicking of minerals by a Method for depositing dust during hydraulicking of minerals by a

1982-03-04

1984-09-18

Pate, III, William F.

Mining or in situ disintegration of hard material

Processes

Mine safety

299 81, E21C 3522

Patent

active

044719973

ABSTRACT:
A cutting roller for a mining machine is provided with an arrangement for dust depositing and cooling cutter bits disposed on the cutting roller. The arrangement includes Venturi nozzles mounted in a closure ring enclosing the front end of the cutting roller, which closure ring faces the workings of a mineral to be processed. Spraying liquid supplied to the Venturi nozzles is discharged therefrom in strong jets directed to the workings and deflected therefrom to form branches of spraying liquid mist flowing around the cutting roller. The spraying liquid mist enriched with dust is sucked into the cutting roller and flows back to the nozzles where it is mixed with the freshly supplied spraying liquid.

REFERENCES:
patent: 3904246 (1975-09-01), Gandy et al.
patent: 4084855 (1978-04-01), Miles
patent: 4249779 (1981-02-01), Best
patent: 4315658 (1982-02-01), French et al.

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