Melting furnace

Details Melting furnace Melting furnace

C - Chemistry, Metallurgy

03

B

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C03B 5/12 (2006.01) C03B 3/00 (2006.01) C03B 5/02 (2006.01) C03B 5/03 (2006.01) C03B 5/04 (2006.01) C03B 5/237 (2006.01) F27B 1/02 (2006.01)

Patent

CA 1321070

Abstract The invention relates to a furnace for producing a melt for mine- ral wool production comprising a shaft (2) for preheating and melting of the raw material (6); a water-cooled grate (5) disposed in the bottom portion of the shaft, which supports a bed of cera- mic filling bodies (4) as well as the raw material (6); a combus- tion chamber (3) disposed underneath the shaft (2), which has a bottom portion (11) for collecting the melt (14) dripping from the shaft (2) and an outlet (12) for melt tapping; and at least one main burner (9) disposed in the combustion chamber (3); as well as auxiliary burners (10) disposed above the grate (5). The bottom surface of the combustion chamber (3) is larger, preferably 20 to 400% larger than the cross area of the shaft (2). Fig. 1

565506

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