【摘要】 根据热平衡理论建立了启动过程中瞬态热平衡微分方程，并对该微分方程进行了一系列数理分析，得出了供回水温度随时间的变化规律，并经实验证实，该规律与实际状态是一致的。更多还原

【Abstract】 This article sets up a differential equation of heat equilibrium at instantaneous state in starting heating system according to the heat equilibrium theory Through a series of mathmatics and physics analyses to the differential equation, the law of temperature variations of water supply and backwater with time is obtained, and it shows no difference with the experimental data更多还原