Roller grate material bed transporting and heat exchange apparat

Details Roller grate material bed transporting and heat exchange apparat Roller grate material bed transporting and heat exchange apparat

1979-12-21

1981-06-02

Camby, John J.

Heating

With heating gas conveying, agitating, scattering or...

34236, 193 35R, 198950, 432 14, 432144, F27B 1500, F26B 1900

Patent

active

042708990

ABSTRACT:
Roller grate apparatus for simultaneously transporting and transferring heat to or from a bed of material particles has elongated cylindrical parallel horizontal rollers rotatably driven in the same direction; filler bars disposed in the nip between adjacent rollers and together with the rollers forming a generally flat surface with constantly moving portions which continually tumble the material particles and urge them thereacross in a direction transverse to the roller axes; gas passage apertures in the rollers which permit a heat transfer gas stream to pass through the rollers; a heat transfer chamber spanning the rollers; and a fan for blowing a heat transfer gas stream through the chamber and the material bed being transported by the rollers.

REFERENCES:
patent: 626202 (1899-05-01), Dula
patent: 1667428 (1928-04-01), Mason
patent: 3518944 (1970-07-01), Patin
patent: 3589033 (1971-06-01), Bryand

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