Air nozzle for a jet dryer

Details Air nozzle for a jet dryer Air nozzle for a jet dryer

1979-08-14

1981-06-09

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Gravity flow type

34155, 2395535, 239561, 239568, F26B 1302

Patent

active

042716020

ABSTRACT:
An air nozzle for a jet drier has a nozzle slot extending transverse to a moving material web during use and has an elongated nozzle lip which together with the material web forms the boundary of a channel for drying air. The elongated nozzle lip has a planar portion and at least one stabilizing zone for the drying air which extends over the entire width of the nozzle and which interrupts the planarity of the planar portion of the nozzle lip. Each stabilizing zone includes equalizing openings, so spaced from the nozzle slot that stabilization of the flow is assured with widely varying drying air velocities.

REFERENCES:
patent: 3549070 (1970-12-01), Frost
patent: 3763571 (1973-10-01), Vits
patent: 3873013 (1975-03-01), Stibbe
patent: 3943639 (1976-03-01), Vits
patent: 4074841 (1978-02-01), Kramer et al.
patent: 4155178 (1979-05-01), Weldon

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