Apparatus for drying finely divided solids

Details Apparatus for drying finely divided solids Apparatus for drying finely divided solids

1989-03-27

1990-10-23

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Gravity flow type

34 39, 34 57R, F26B 1712

Patent

active

049642278

ABSTRACT:
A vertical drying chamber, for the continuous drying of finely divided solids at temperatures in the range of 800.degree. to 1000.degree. C. by the evaporation of moisture adhering thereto, is formed by the interstice between an inner tube and an outer tube. The outer tube is surrounded by a heat source (electrical resistance heating, infrared radiator) and is composed of a plurality of tube sections plugged one into the other, each tube having a funnel-shaped upper end into which the bottom, plain end of the tube section above it extends. Between the interconnected tube ends spacers are provided. The tube sections are made of a material that is permeable to infrared radiation.

REFERENCES:
patent: 9711 (1881-05-01), Hanna
patent: 547597 (1895-10-01), Brantingham
patent: 2677195 (1954-05-01), Menning
patent: 4201695 (1980-05-01), Juntgen et al.
patent: 4594795 (1986-07-01), Stephansen

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