The countercurrent mode has a simple scheme of pressure energy recovery,needing neither CO burner nor steam superheating devices,and about 98%of the flue gas pressure energy can be recovered.

• 逆流两段再生方式烟气压力能的回收流程简单，烟气系统无需增加一氧化碳焚烧炉或蒸汽过热设施，烟气压力能回收可达98%25左右。