我厂反射炉以碱性耐火材料筑成,炉底用镁砂。氧化亚铁的混合耐火材料,配以铁管充填结实烧结成。炉温一般保持在1350℃左右,最高达到1420℃火仓面积与炉床面积的比例为1:4.6,与烟道切面积的比例为4:1;炉床长度与宽度的比例为2:1;炉膛气流速度4～6米/秒; Refractory furnace of our factory is made of alkaline refractories and magnesia bottom. Ferrous oxide mixed refractory, together with the iron tube filled with strong sintered. Furnace temperature is generally maintained at about 1350 ℃, up to 1420 ℃ firehouse area and hearth area ratio of 1: 4.6, and the flue cut area ratio of 4: 1; hearth length and width ratio of 2: 1 ; Furnace airflow speed of 4 ~ 6 m / s;