Method and apparatus for conveying materials in bulk by liquid p

Details Method and apparatus for conveying materials in bulk by liquid p Method and apparatus for conveying materials in bulk by liquid p

1989-06-08

1990-12-18

Peters, Jr., Joseph F.

Conveyors: fluid current

Slug conveying

406137, B65G 5324

Patent

active

049782517

ABSTRACT:
A method for conveying materials in bulk by liquid pressure carried out by an appropriate apparatus involves loading a material in bulk into a chamber through a loading pipe and then supplying liquid under pressure through a pipe for supplying liquid in the form of a downward annular flow, and discharging the material in bulk in an upward flow through a discharge pipe mounted to extend coaxially with, and inside the pipe for supplying liquid. A zone of recirculation flows of liquid is formed in the chamber by swirling the annular flow to an extent determined by a ratio of the rotational component of velocity to the axial component of velocity at least equal to 0.4. The material in bulk is discharged in the zone of recirculation flows. For swirling the annular flow, an inlet port of the pipe for supplying liquid is located in the periphery thereof, and the axis of this port is offset with respect to the axis of the discharge pipe. The inlet and outlet ports of the pipes for material discharge and liquid supply, respectively, are located at predetermined level with respect to each other.

REFERENCES:
patent: 2734781 (1956-02-01), Fowler et al.
patent: 3993359 (1976-11-01), Sweeney
patent: 3994532 (1976-11-01), Hahn
patent: 4265572 (1981-05-01), Bourdois et al.
patent: 4580927 (1986-04-01), Weeks
patent: 4859121 (1989-08-01), Deysson et al.

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