Process for drying wood

Details Process for drying wood Process for drying wood

1974-10-31

1976-02-24

Camby, John J.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 165, 34 30, F26B 300

Patent

active

039395731

ABSTRACT:
A process for kiln drying timber in which heated air is passed over the timber, subsequently cooled to dehumidify it, and then reheated and recirculated, wherein times are substantially shortened by separating the process into two stages, a first stage where the temperature of the air passing over the wood is held relatively low, that is between 20.degree.C and 30.degree.C, and a second stage in which the temperature is raised to between 34.degree.C and 38.degree.C, the changeover from the first stage to the second being effected when the moisture content of the wood being dried has fallen to between 16 and 25 percent.

REFERENCES:
patent: 3262216 (1966-07-01), Dugger, Sr.
patent: 3335499 (1967-08-01), Larsson

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