Process and apparatus for suctioning off the solid material from

Details Process and apparatus for suctioning off the solid material from Process and apparatus for suctioning off the solid material from

1995-02-17

1997-02-18

Melius, Terry Lee

Excavating

Processes

37323, 37321, 37333, E02F 100

Patent

active

056031718

ABSTRACT:
A process for suctioning solid material from a waterbed and for conveying a resulting solids-water suspension into a hopper is provided. A flow of water is supplied to a towed suction basket. The basket has a suction region connected to a suction tube, at least one pressure nozzle and at least one motive nozzle. The flow of water supplied to the towed suction basket is divided into a motive water flow and a pressure water flow. The pressure water flow is directed through the at least one water pressure nozzle onto the waterbed for dislodging the solid material on the waterbed and creating the solids-water suspension in the suction region of the towed suction basket. The motive water flow is directed through the at least one motive water nozzle through the suction region of the towed suction basket and into the suction tube for accelerating the solids-water suspension into the suction tube.

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Smith et al, "Diver's Excavating Device", Navy Technical Disclosure Bulletin, vol. 4, No. 4, Apr. 1979, Navy Tech. Cat. No. 7741, Navy Case No. 62795, pp. 37-39.

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