Based on the gasification process of Lurgi gasifier,this paper describes the features of temperature elevating of the gas exit and/or ash lock and analyzes its reason,then summarizes the measures taken to avoid its happenning.

• 结合鲁奇炉造气工艺，描述煤气出口温度高和（或）灰锁温度高的特征，剖析其产生的原因，并对采取的防范措施进行了总结。