Melting method for production of mineral wool from liquid blast furnace slag
A technology of blast furnace slag and slag wool, which is applied in the direction of furnaces, electric furnaces, furnace types, etc., can solve the problems of slag that is easy to cool down, viscosity, and easy to block the slag outlet, so as to shorten the conditioning period, save energy, and achieve uniform composition and temperature Effect
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[0037] The present invention will be further explained below through the drawings and embodiments.
[0038] Such as figure 1 As shown, the method for producing slag wool from liquid blast furnace slag provided by the present invention has the following steps:
[0039] 1) While the liquid blast furnace slag flows from the launder into the slag pot, the silo equipped with a weighing system above the launder is fed into the slag pot, and a certain amount of silica powder or fly ash is added according to the capacity of the slag pot. Additives for quenching and tempering the alkaline slag of the blast furnace.
[0040] The amount of acid additives added should be added in the following proportions:
[0041] Silica powder with SiO 2 Calculated by SiO 2 , Al 2 O 3 , CaO, MgO, so that the composition of the liquid blast furnace slag tempered with acid additives is:
[0042] (SiO 2 +Al 2 O 3 ): (CaO+MgO)=1.2~1.4.
[0043] The acidic additives are added after the blast furnace slag is opened an...
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