本文从热力学和传热力学的角度,简述了热能的特性,综述了余热的形态及其回收利用的有效途径。一、能量的形式及其性质能量是物质运动强度的量度。由于物质的运动有各种不同形式, In this paper, from the perspective of thermodynamics and heat transfer mechanics, the characteristics of thermal energy are briefly described. The forms of waste heat and the effective ways of recovery and utilization are summarized. First, the form of energy and its nature Energy is a measure of the intensity of physical activity. Because of the various forms of material movement,