FIELD: wood-working industry. SUBSTANCE: apparatus has drying and impregnating vacuum chambers and impregnating solution vessel communicated through impregnating solution circulation circuit with centrifugal pump and vacuum circuit with vacuum pump. Vacuum chambers are provided with steam jackets, condensate collection circuit with condensation pots and drying agent forced circulation system having axial fans with guiding shells and outside electric engines. Fan shaft extending through chamber wall is provided with hermetical seal with two rubber reinforced collar and metal ring. EFFECT: increased versatility of drying-and-impregnating unit, provision for combining of vacuum drying and impregnation modes under pressure in a single working volume. 3 cl, 3 dwg
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Authors
Dates
1995-06-19—Published
1992-08-03—Filed