The steam generator of about 20 metres in height is fitted with u tubes in the inside which serve as the heat exchanger to transfer the heat from the water in primary circuit to that in the secondary circuit . the heat will convert the feed water in the secondary circuit to steam for driving the turbine - generator ( right figure ) 蒸汽发生器是一个约高20米的热交换器，其内部装设了u形传热管，以管壁换热的方式将一回路水的热能传送到二回路，然后把二回路给水转化为蒸汽，以推动涡轮发电机(右图) 。
5.
The steam generator of about 20 metres in height is fitted with u tubes in the inside which serve as the heat exchanger to transfer the heat from the water in primary circuit to that in the secondary circuit . the heat will convert the feed water in the secondary circuit to steam for driving the turbine - generator right figure 蒸汽发生器是一个约高20米的热交换器，其内部装设了u形传热管，以管壁换热的方式将一回路水的热能传送到二回路，然后把二回路给水转化为蒸汽，以推动涡轮发电机右图。
