耐火砖砌筑时应错开砖缝,砖缝需用耐火泥浆(干砌时用干耐火粉)填满。为补偿砌体受热后的体积膨胀,砌筑时需按设计和规范要求留设膨胀缝。 Refractory brick masonry should be staggered brick joints, brick joints need to use refractory mud (dry refractory powder with dry) to fill. In order to compensate for the volume expansion of masonry after heating, the masonry shall be provided with expansion joints according to design and specifications.