Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1978-09-18
1982-09-14
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34124, 29110, 162200, 165 89, 432 60, F26B 1308
Patent
active
043488196
ABSTRACT:
Disclosed is an improved heated can roll for papermaking machines having a high thermal efficiency. The improvement is in a means for insulating the ends of the internally heated can rolls to provide segmental heat insulating part spaced from the roll end or head to provide an air space adjacent to the head or roll ends, resulting in a large reduction in heat loss through natural convection, convection due to rotation, forced convection due to air draft, and radiation and resulting in a more uniform drying surface temperature.
REFERENCES:
patent: 1076330 (1913-10-01), Thompson
patent: 1640855 (1927-08-01), Shlick
patent: 2047372 (1936-07-01), Jalens
Hunt E. Leigh
Schwartz Larry I.
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