CHAMBER FOR HEAT TREATMENT AND/OR CONDITIONING OF WALLBOARDS Russian patent published in 1997 - IPC

FIELD: woodworking industry, in particular, equipment for production of wallboards or other similar materials, applicable for heat treatment and conditioning of board materials, for instance, plywood or wood veneer. SUBSTANCE: chamber for heat treatment uses a housing with a plenum-exhaust ventilation system in the form of circulation air conduits with means of air conditioning and transfer, as well as a means for conveyance of wallboards through the chamber; the means for conveyance is made for vertical conveyance of horizontally arranged wallboards, for instance, it is made in the form of two or more chain drives vertically arranged in the housing with holders of wallboards supported as a cantilever. The chamber has an additional means for removal of wallboards from the holders; the chamber housing is separated by one or more partitions into two or more sections; each section accommodates means for vertical conveyance of horizontally arranged wallboards, as well as a means for conveyance of wallboards from one section to the other. The holders are furnished with additional retaining rollers, and openings are made in the housing for feeding and removal of wallboards, that are furnished with sealing means made as, for instance, hinged covers. EFFECT: enhanced efficiency of chamber functioning. 5 cl, 15 dwg