APPARATUS FOR FLOTATION MOLDING OF PAPER AND CARDBOARD WEB Russian patent published in 2002 - IPC

FIELD: pulp-and-paper industry. SUBSTANCE: apparatus has inclined netted table with suction boxes, paper pulp delivery mechanism for discharging paper pulp onto netted table, device having two disks and adapted for releasing air in the form of micro bubbles, and air dissolving device. Mechanism for delivery of paper pulp onto netted table is made in the form of flotation tank equipped with clarified water intake device. Apparatus allows high-porosity filtering paper and cardboard to be produced. EFFECT: reduced loss of fibers during pouring of paper pulp onto netted table, reduced production cost and decreased contamination of sewage water with fibers. 1 dwg