假墙是构成平炉沉渣室的重要组成部份之一。其作用在于很好的保护沉渣室墙不受高温碱性熔渣侵蚀;在中、小修时不受各种机械冲击;在清除钢渣时防止沉渣室墙水化;减少贵重耐火材料用量和充分利用旧砖。阶梯式假墙构造如图。假墙用旧镁砖、旧 The false wall is one of the important components of the open hearth chamber. Its role is to protect the chamber walls from high-temperature alkaline slag erosion; it is not affected by various mechanical impacts during medium and minor repairs; it prevents hydration of the sediment chamber walls when removing steel slag; it reduces the use of precious refractory materials and makes full use of them. Old brick. Stepped false wall structure is shown in the figure. Fake wall with old magnesium brick, old