Deep hold settling chamber

Conveyors: fluid current – Intake to fluid current conveyor – Load receptacle type

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Details

406 39, 414291, 414143, B65G 5340

Patent

active

047566469

ABSTRACT:
A method for cleanly unloading dry bulk material carried by ships in below-deck holds is disclosed. The method includes the steps of disposing a portable open-topped, intermediate collection station in at least one empty hold of a ship. Loads of material in at least one filled hold are moved in at least one receptacle to the open-topped, intermediate collection station in the at least one empty hold. Airborne dust is continuously collected from over the intermediate collection station to prevent local formation of a dust cloud. The material is transferred from the intermediate collection station through closed conduit structure to an on-shore collection station. Exposure of the drying material to conditions likely to cause dust clouds and likely to result in wetting of the material is minimized. Apparatus for use in cleanly unloading dry bulk material from the holds of a ship includes an open-topped hopper adapted to be lifted into and out of an operative position in the at least one empty hold. Suction apparatus disposed about the periphery of the top of the hopper draws material out of the air above the hopper to prevent formation of a dust cloud. Structure at the outlet of the hopper pumps the material from the hopper through a closed conduit to an on-shore collection station.

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