VACUUM PRESS-DRYER FOR BOARDS AND LIMBERS Russian patent published in 2005 - IPC

FIELD: drying solid materials.

SUBSTANCE: vacuum press-dryer comprises pressure-tight chamber which is defined by the housing and lid interconnected over the periphery of the butt, heating stoves for heating and pressing boards and limbers mounted inside the chamber, vacuum pump connected with the space of the vacuum chamber, and water vapor condenser. Between the stoves is a space for receiving boards and limbers. The top stove is connected with the lid, and the bottom stove is connected with the housing. The top stove has bearing plate connected with the lid and heated sections interposed between the bearing plate and the space for arranging one layer of boards and limbers. The heated sections are flexibly connected with the bearing plate. The lateral sizes of the heated sections are equal to these of the boards and limbers.

EFFECT: reduced power consumption and improved quality of drying.

4 cl, 2 dwg