Cutting refractory material

Details Cutting refractory material Cutting refractory material

C - Chemistry, Metallurgy

04

B

C04B 35/65 (2006.01) C04B 35/66 (2006.01) C04B 41/50 (2006.01) C04B 41/53 (2006.01) C04B 41/91 (2006.01)

Patent

CA 2223530

A method and powder mixture are described for cutting a refractory body. The powder mixture comprises refractory metal oxide particles and fuel particles which burn exothermically by combining with oxygen to form a refractory oxide. The mixture is characterised in that the refractory metal oxide of the powder mixture comprises calcium oxide and/or magnesium oxide. The powder mixture enables refractory bodies to be cut more effectively than hitherto.

On décrit un procédé ainsi qu'un mélange de poudres permettant de couper un corps réfractaire. Ce mélange de poudres comprend des particules d'oxyde métallique réfractaire ainsi que des particules de combustible, lesquelles brûlent de manière exothermique en se combinant avec de l'oxygène pour former un oxyde réfractaire. Ce mélange est caractérisé en ce que l'oxyde métallique réfractaire du mélange de poudres comprend de l'oxyde de calcium et/ou de l'oxyde de magnésium. Ce mélange de poudres permet de couper des corps réfractaires plus efficacement que jusqu'alors.

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