本文给出了制浆造纸蒸煮设备炯平衡和效率计算的一般方法,结合实例对蒸煮过程进行炯分析,在此基础上提出了采用蒸汽喷射式热泵回收排放浆液闪蒸蒸汽的可行方案. This paper gives a general method for calculating the equilibrium and efficiency of pulping and papermaking equipment. Combining with practical examples, we analyze the cooking process and propose a feasible scheme to recover the flash steam by steam jet heat pump.