Linings for pusher ovens

Details Linings for pusher ovens Linings for pusher ovens

C - Chemistry, Metallurgy

04

B

261/28

C04B 35/48 (2006.01) C04B 35/484 (2006.01) F27B 9/34 (2006.01)

Patent

CA 1047545

ABSTRACT OF THE DISCLOSURE The present invention relates to linings for pusher ovens of fused cast refractory materials having the following chemical and crystallographic compositions, by weight: Chemical Analysis ZrO2 10 to 28% preferably 18 to 23% SiO2 3 to 12% preferably 5 to 7% Al2O3 60 to 80% preferably 70 to 75% Na2O 0.3 to 1.5% preferably 0.4 to 0.8% Fe2O3, TiO2, CaO and MgO up to 5% in total, preferably less than 2%, but with the proviso that the weight ratio SiO2/Na2O is not more than 16. The lining has improved abrasion resistance.

242507

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