Wet jigging machine for dressing coal or other minerals

US4485010A · kind A · utility

Assignee

• Klockner-Humboldt-Deutz AG · DE

Inventors

• Werner Strauss · Kehl, DE
• Siegfried Heintges · Haltern, DE

Key dates

• Filing date: Dec 21, 1982
• Grant date: Nov 27, 1984
• Expiry date: Dec 21, 2002

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B03B5/24
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A wet jigging mechanism for handling coal or other minerals including a mineral containing tank, a pulsed air chamber opening downwardly into the tank, a compressed air source with a conduit and a vent conduit with valves in the conduit, the valves including pivotal butterfly valves on a shaft with a swing flap operator operated by the compressed air to move the butterfly valve and the swing wing engaging a variable positioned rubber stop damper at the open position of the butterfly valve, and a rubber seat for the butterfly valve in closed position acting as a damper.