PLANT FOR CHEMICAL TREATMENT OF WALLBOARD MATERIALS Russian patent published in 1998 - IPC

FIELD: production of wallboards, all-pressworks of shredded wood and plywood. SUBSTANCE: plant has enclosing structure 1, which is installed above press 2 with loading 3 and unloading 4 mechanisms in the form of stacks. The enclosing structure has slotted apertures 6 on the side of the main conveyer for inlet and outlet of wallboard materials 5. Inspection windows 9 are provided around the edges of the enclosing structure. and doors are made for approach to the press. Mechanism for changing over the zones of lifting and lowering of shutters 8 is located on the enclosing structure. Slotted blowers 12 and receivers 13 for feeding and discharge of gaseous ammonia are installed on the lateral surfaces of unloading mechanism 4. The exhaust system is located in the upper part of the enclosing structure. EFFECT: enhanced efficiency. 2 dwg