管道化溶出技术是强化拜耳溶出的重要途径之一。本文叙述了长铝公司管道化溶出技术与引进装备的特点 ,分析了因处理铝土矿不同和工艺条件不同而引起的热平衡变化的原因 ,讨论了整个溶出系统的热平衡状况及加入不同温度的石灰乳对熔盐炉负荷和溶出热耗的影响 ,为生产实践提供技术依据 Pipelined dissolution technology is one of the important ways to enhance Bayer dissolution. This paper describes the characteristics of Changlu company pipeline dissolution technology and the introduction of equipment, analyzes the bauxite due to different and different process conditions caused by changes in the thermal balance of the reasons for the dissolution of the system is discussed the thermal equilibrium and the addition of different temperature lime Milk on the molten salt furnace load and heat consumption impact, provide technical basis for production practice