An approach to exhaust superheat of the back-pressare turbine units and the heat supplying turbine units are discussed,and a new way of upgrading the economy of cogeneration is given here.

• 本文对背压式汽轮机组排汽热度和供热汽轮机组抽汽过热度就地转化利用问题进行了探讨，提出了提高火电厂热电联产经济性的新途径。