Repairing method for refractory material layer of rotary kiln

The invention relates to the technical field of rotary kiln, in particular to a repairing method for a refractory material layer of a rotary kiln. The repairing method comprises the steps that temperature in a rotary kiln body is reduced under the condition that the rotary kiln is not shut down; and the refractory material layer to be repaired is directly repaired through a slurry gunning machine,wherein the gunning slurry can be quickly condensed under a high-temperature condition, so that the refractory material layer to be repaired can be repaired in time, and prevented the refractory material layer to be repaired from further falling off to affect the production of the rotary kiln. According to the repairing method for the refractory material layer of the rotary kiln, the repair effect is good, the production of the rotary kiln cannot be influenced, and the service life of the rotary kiln is prolonged. 本发明公开涉及回转窑技术领域，尤其是种回转窑耐火材料层的修补方法，其包括在回转窑不熄火停产的情况下，降低回转窑窑体内部的温度，通过浆料喷补机直接对待修补的耐火材料层进行修补，喷补的浆料在高温条件下能够快速凝结