C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/04 (2006.01) F16L 59/02 (2006.01)
Patent
CA 2392338
The invention concerns a device for forming mineral fibres by internal centrifugation comprising a centrifuge (1) capable of rotating about an axis X¿1?, in particular vertical and whereof the peripheral wall (2) is perforated with a plurality of orifices, high-temperature gaseous drawing means in the form of an annular burner (9), pneumatic means for controlling/adjusting the dimensions of the fibres in the form of a blow ring (10). The control and adjusting of the dimensions carried out by said pneumatic means are completed by another means, including a mechanical means comprising a cooled plate (12) arranged around the centrifuge (1) opposite its peripheral wall (2) at least. The invention also concerns a method using said device and its uses.
L'invention a pour objet un dispositif de formation de fibres minérales par centrifugation interne comportant un centrifugeur (1) apte à tourner autour d'un axe X1, notamment vertical et dont la bande périphérique (2) est percée d'une pluralité d'orifices, un moyen d'étirage gazeux à haute température sous forme d'un brûleur annulaire (9), un moyen pneumatique pour canaliser/ajuster les dimensions des fibres sous forme d'une couronne de soufflage (10). La canalisation et l'ajustement des dimensions des fibres opérées par ledit moyen pneumatique sont complétés par au moins un autre moyen, dont un moyen mécanique comprenant une paroi refroidie (12) disposée autour du centrifugeur (1) en regard de sa bande périphérique (2) au moins. L'invention porte aussi sur le procédé mettant en oeuvre le dispositif et des applications.
Decker Pascal
Guyot Daniel
Pierucci Laurent
Goudreau Gage Dubuc
Saint-Gobain Isover
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