The practical process exe- -rgy balance equation and the exergy use equation are derived; the principles of process energy consumption are further expounded.

• 以此为目标,本文对过程第二定律分析理论在当前炼厂节能实践中的运用进行了研究和探讨,(1)导出了实用的过程(火用)平衡方程及(火用)耗方程,进而阐明了过程用能原理;