Thermo-pneumatic unit and apparatus for thermal treatment of tra

Details Thermo-pneumatic unit and apparatus for thermal treatment of tra Thermo-pneumatic unit and apparatus for thermal treatment of tra

1979-01-03

1981-01-06

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34151, 34216, 68 5D, 68 20, F26B 1522

Patent

active

042428114

ABSTRACT:
A thermo-pneumatic unit for thermal treatment of moving flat materials such as a drying process for cowhides includes a blower which is located on one side of the travelling path of the materials and adapted for generation of thermally adjusted air flow having specified initial direction and mass velocity distribution so that larger mass velocity is focussed upon the portion of each material requiring higher rate of thermal treatment. Ideally, an even thermal effect is obtained over the entire parts of each material and thermal energy loss is effectively avoided even when the material has initial local variance in moisture content or temperature. A collector for blown air on the other side of the travelling path collects the blown air, which assures higher evenness in thermal effect with less thermal energy loss. A thermo-pneumatic apparatus includes a plurality of successive chamber sections for travel of the material, each having one unit in such an arrangement that the thermally adjusted air flows alternately in opposite directions from section to section, thereby equalizing the thermal effect on both lateral sides of each material as it travels from section to section.

REFERENCES:
patent: 1669275 (1928-05-01), Ayres et al.
patent: 2109425 (1938-02-01), Hurxthal
patent: 2197776 (1940-04-01), Argabrite et al.
patent: 2279425 (1942-04-01), Voysey
patent: 3075297 (1963-01-01), Argabrite et al.
patent: 3228113 (1966-01-01), Fannon, Jr.

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