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Waterfall technique for removing settled coal solids from a storage facility

Image Number 2 for United States Patent #4354778.

This invention pertains to a method and apparatus for removing compacted, slurriable solids from a vessel by water erosion. The water erosion is effected by a waterfall created through the use of a travelling bridge which traverses the compacted solids and coacts with a movable gate which allows a nearly vertical face of the compacted solids to be exposed to the waterfall.

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