B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 3/24 (2006.01)
Patent
CA 2347678
The present invention relates to a method and to an arrangement for the continuous production of lignocellulosic boards, wherein material is disintegrated into particles and/or fibres, glued, dried and formed into a mat (1). The mat is pressed in a continuous steam-injection press (2) into board form (3) and then passed through an after-conditioning unit (4). Gaseous emissions and steam occurrent in the press process are captured. Hot air is supplied to prevent condensation of the gaseous emissions and the steam when leakage air from the surroundings is admixed therewith and also to transport the steam and emissions to a combustion plant for combustion.
La présente invention concerne un procédé et une installation de production en continu de planches renfermant de la lignocellulose. Selon ce procédé, le matériau est désintégré en particules et/ou fibres, collé, séché et façonné sous forme de mat.(1). Comprimé dans une presse à injection de vapeur en continu, ce mat est transformé en planches (3), puis traverse une unité de post-traitement (4). On recueille les émissions gazeuses et la vapeur dégagée pendant le passage à la presse et l'on administre de l'air chaud pour empêcher les émissions gazeuses/vapeur de se condenser lors du mélange avec l'air ambiant ainsi que pour acheminer la vapeur et les émissions gazeuses jusqu'à une installation assurant leur combustion.
Lundgren Goran
Melander Olof
Schedin Kurt
Fetherstonhaugh & Co.
Valmet Fibertech Ab
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