Method and apparatus for drying a moisture-containing particulat

Details Method and apparatus for drying a moisture-containing particulat Method and apparatus for drying a moisture-containing particulat

1978-09-22

1980-07-01

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 12, 34 60, F26B 300

Patent

active

042099110

ABSTRACT:
This invention relates to a process and apparatus for drying moisture-containing particulate materials. The process comprises feeding the particulates to a drying vessel containing therein a hydrocarbon liquid maintained at a temperature sufficiently high to rapidly evaporate the moisture; stirring the articulate-liquid slurry in the vessel so as to maintain particle flow therein; feeding a hot hydrocarbon liquid to the vessel; heating the vessel wall above the liquid level to a temperature above the slurry temperature to prevent foaming; removing from the vessel an overhead vapor product; and condensing the vapor product to recover water and hydrocarbon liquid. An apparatus useful for carrying out the above-mentioned process is also claimed.

REFERENCES:
patent: 3188196 (1965-06-01), Skelly
patent: 3520067 (1970-07-01), Winegartner
patent: 3953927 (1976-05-01), Hoffert

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