The organic working fluids bicirculating screw expander power generation technology of surplus heat recovery is just a new energy recovery technology. 有機工質雙循環螺桿膨脹機餘熱回收發電技術就是一種新型的能量回收技術。
Assimilating method has been summarized on the design of hot-blast exchanger for cupola gas remaining heat, of which design theory has been analyzed with a model and example. 本文總結了衝天爐爐氣餘熱回收熱風換熱器的比擬設計法，對比擬法的設計原理進行了分析，並且給出了一個模型換熱器和設計實例。
