针对山西兴能发电有限责任公司高压主汽阀门泄漏以及高压调汽阀卡涩的问题，从垫片的材质、螺栓的预紧力以及机械结构等多方面进行了细致地分析。
Focus on the leak and block of the high pressure main stop valve, from the material of the gasket, the pressure of the bolt and the entire mechanical structure in Gujiao Xingneng Power Generation Co.
采用非结构化四面体网格，对某600 MW超超临界汽轮机组高压主汽调节联合阀的额定工况进行了数值模拟。
Unstructured tetrahedral meshes are used to simulate the flow field inside high pressure combined valves of a 600mw ultra supercritical steam turbine under the nominal condition.
就在现有条件下解决6 0 0MW汽轮机高压主汽调节阀的内腔加工难关，实现该部件的内部生产制造方案进行介绍。
This paper presents the manufacturing method for inner chamber of HP main steam control valve for 600MW turbine under current conditions.
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