Material feed pipe for use in belt-system continuous vacuum drie

Details Material feed pipe for use in belt-system continuous vacuum drie Material feed pipe for use in belt-system continuous vacuum drie

1980-04-09

1981-10-13

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 92, 222564, 2395533, F26B 1510

Patent

active

042940184

ABSTRACT:
A material feed pipe for use in a belt-system continuous vacuum drier and oriented above a belt moving within a vacuum drying chamber. The feed pipe includes an inner tube having its one end provided with an inlet for material and the other end being closed. An outer tube has its two ends closed and encircling said inner tube with a radial space therebetween. A plurality of nozzle openings are provided in an upper part of the inner tube at a fixed pitch along the axial length thereof. The nozzle openings are so devised as to have a larger diameter in regular succession from the inlet end to the opposite end of the inner tube; and a plurality of further nozzle openings are provided in the lower part of the outer tube at a fixed pitch along the axial length thereof and have a fixed diameter.

REFERENCES:
patent: 1126939 (1915-02-01), Batton
patent: 4229886 (1980-10-01), Durant

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