Material or article handling – Marine loading or unloading system – Marine vessel to/from shore
Patent
1998-04-15
2000-10-17
Krizek, Janice L.
Material or article handling
Marine loading or unloading system
Marine vessel to/from shore
4141418, B65G 6760
Patent
active
061321567
ABSTRACT:
A ship loading installation for loading bulk materials at a sea port into a ship or barge using a loading system comprised of a projecting boom structure mounting a first belt conveyor portion therein and provided with means for vertical luffing motions, said projecting boom structure pivotally connected to a shuttling support structure mounting a contiguous second belt conveyor portion therein, said support structure arranged to shuttle linearly of the longitudinal axis of the conveyor portions on a horizontal rail bed or other suitable travelway mounted to the upper surface of a beam structure, said beam structure pivotally connected to a fixed pivot base at one end remote from the dockside end enabling horizontal arcuate stewing motions of the beam structure, its other end being arranged with a set of wheels on a curved travelway to support the beam structure as it slews through its arcuate path of travel, said support structure being provided with a sealed loading arrangement from a source of bulk material, said first and second belt conveyor portions being motivated to deliver said bulk material generally from the loading point in the direction of the projecting boom to be discharged from the projecting end of the boom at a suitable height and linear and radial position as to fall generally into the cargo hold areas of a ship or barge; the improvement being managing dust and spillage associated with the operation, of the ship loading installation by arranging, in combination, such boom and support structures as sealed tubular structures with auxiliary flexible sealing means, within which the first and second belt conveyor portions are mounted in sealed configuration, thereby to effectively contain for subsequent collection and disposal any fugitive dust and/or spillage of bulk material which would otherwise pollute the local environment of the bulk materials handling facility.
REFERENCES:
patent: 4082181 (1978-04-01), Berthold et al.
patent: 4712962 (1987-12-01), Johnston
patent: 4925010 (1990-05-01), Pallasvirta
patent: 5193964 (1993-03-01), Soros
patent: 5727918 (1998-03-01), Arend et al.
patent: 5871324 (1999-02-01), Horak
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