Steam heated dryer drum having stationary siphon and spoiler bar

Details Steam heated dryer drum having stationary siphon and spoiler bar Steam heated dryer drum having stationary siphon and spoiler bar

1984-03-26

1985-09-03

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34110, 34125, 165 89, F26B 1318

Patent

active

045383600

ABSTRACT:
Substantially uniform heat transfer through the cylindrical heat transfer wall of a steam heated hollow dryer drum is attained by longitudinal spoiler bars effecting turbulence of condensate throughout a major extent of the inner surface of the heat transfer wall, and condensate turbulence is generated in a narrow annular area from which a stationary siphon intake head withdraws the condensate from the steam chamber. A turbulence promoter is carried by the intake head and may comprise rigid or yieldably supported structure, e.g. a brush, rigid or flexible bar structure, an array of fingers, mounted on the downstream or off-running side of the intake head having regard to the direction of rotation of the drum.

REFERENCES:
patent: 2934831 (1960-05-01), Tasker
patent: 3217426 (1965-11-01), Barnscheidt et al.
patent: 3553849 (1971-01-01), Carrier et al.
patent: 3724094 (1973-04-01), Appel et al.
patent: 4155177 (1979-05-01), Justus
patent: 4183149 (1980-01-01), Chance et al.
patent: 4359829 (1982-11-01), Schiel

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