一、前言众所周知,当碱性砖在水泥窑烧成带使用时,其热端的热膨胀系数增大,使砖的抗热震能力减弱,最终导致砖以分层剥落的形式损坏。本文在试验室条件下将水泥熟料粉与耐火材料粉以不同的比例混合煅烧后,测定其矿物组成和热膨胀系数的变化,从而推测水泥熟料浸入 I. INTRODUCTION It is well known that when the alkaline bricks are used in the firing zone of a cement kiln, the coefficient of thermal expansion of the hot end is increased, the thermal shock resistance of the tiles is weakened, and eventually the tiles are damaged in a layered peeling manner. In this paper, the cement clinker powder and the refractory powder were mixed and calcined in different proportions under laboratory conditions, and the changes in the mineral composition and the coefficient of thermal expansion were measured to speculate that the cement clinker was immersed.