C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/05 (2006.01)
Patent
CA 2294440
The invention concerns a method which consists in simultaneously feeding material (30) to be drawn out in fibres to at least two machines (1, 2) placed side by side, comprising a series of centrifugal wheels (7, 8, 9, 10) arranged in cascade and driven in rotation about axes all having substantially the same direction (main axis 13, 14), two consecutive wheels rotating in opposite direction. The melted material (30) is poured on the first wheel (7), accelerated and conveyed onto the second wheel (8), then optionally on the following wheels (9, 10), to be transformed into fibres by centrifugal ejection, the fibres being carried by a gas stream and collected by a receiving member. The main axes (13, 14) of two adjacent machines (1, 2) are arranged at a non-null angle, such that the two gas streams emitted by the two adjacent machines (1, 2) join and combine with each other. The invention is useful for making products based on mineral fibres.
On alimente simultanément en matériau (30) à fibrer au moins deux machines (1, 2) placées côte-à-côte, comprenant une série de roues (7, 8, 9, 10) de centrifugation agencées en cascade et entraînées en rotation autour d'axes ayant tous sensiblement la même direction (axe principal 13, 14), deux roues consécutives tournant en sens inverse. Le matériau (30) fondu est déversé sur la première roue (7), accéléré et renvoyé sur la deuxième roue (8), puis éventuellement sur les suivantes (9, 10), pour être transformé en fibres par éjection centrifuge, les fibres étant prises en charge par un courant gazeux et recueillies par un organe de réception. Les axes principaux (13, 14) de deux machines adjacentes (1, 2) sont disposés suivant un angle non nul, adapté pour que deux courants gazeux émis par les deux machines adjacentes (1, 2) se rencontrent et s'ajoutent. Application: fabrication de produits à base de fibres minérales.
Debouzie Alain
Dupouy Valerie
Goudreau Gage Dubuc
Isover Saint-Gobain
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