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国际上已生产了100万瓩火力电站和100万瓩级的原子能发电设备,并已着重生产200万瓩的原子能发电设备。生产这些锻件的钢锭已达到500吨。为了保证转子锻件的内部质量和优良的综合机械性能,对于制造这些锻件的技术和材质提出了更高的要求。相对于发电机转子和低压转子而言,制造汽轮机的高中压转子还是中小型的。目前,国内外常规的汽轮机用的高压/再热式转子,这些高中压转子一般运行在进汽温
The world has produced 1 million 瓩 thermal power station and 1 million 瓩 level of nuclear power generation equipment, and has focused on the production of 2 million 瓩 of nuclear power generation equipment. The steel ingot that produced these forgings has reached 500 tons. In order to ensure the internal quality of the rotor forging and excellent overall mechanical properties, higher requirements are put forward for the techniques and materials for manufacturing these forgings. The high and medium pressure rotors used to make steam turbines are also small and medium sized relative to generator rotors and low pressure rotors. At present, domestic and foreign conventional high-pressure steam turbine / reheat rotor, these high-pressure rotor generally run into the steam temperature