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2. 发明专利

JPS59192803A Gland sealing device of steam turbine 失效
标题翻译： GLAND蒸汽涡轮密封装置
公开(公告)号：JPS59192803A
公开(公告)日：1984-11-01
申请号：JP6597783
申请日：1983-04-14
申请人： Mitsubishi Heavy Ind Ltd
发明人： HIRATA MITSUHO , ICHIKI YOSHIHIRO
IPC分类号： F01D11/04 , H01F5/00
CPC分类号： F01D11/04
摘要： PURPOSE:To reduce the entering of the outside air into the interior of a steam turbine and a gland steam condenser by a structure wherein an outside air exhausting pocket is arranged outside a pocket for mixture of sealing steam and the outside air at the steam tight sealing part of the team turbine. CONSTITUTION:A pocket A to lead the mixture (c) of sealing steam (a) and the outside air (b) to a gland steam condenser is formed by mounting packings 6a- 6c along a steam turbine rotor 1. A passage 1b piercing from the inner wall of a turbine disc 1a to a peripheral wall is formed by arranging an outside air exhausting pocket C outside the pocket A. As a result, the outside air b' entering from the exterior is exhausted through the passage 1b to the exterior. Accordingly, the entering of the outside air into the interior of a steam turbine and a gland steam condenser can be reduced.
摘要翻译：目的：为了减少外部空气进入蒸汽轮机和压盖蒸汽冷凝器的内部，其结构是外部空气排出口袋布置在口袋外部，用于混合密封蒸汽和外部空气在蒸汽密封处部分车队轮机。构成：将蒸汽（a）和外部空气（b）的混合物（c）引导到压盖蒸气冷凝器的口袋A通过沿蒸汽轮机转子1安装填料6a- 6c而形成。通过将外部空气排出口袋C布置在口袋A外部而形成涡轮盘1a的内壁到周壁。结果，从外部进入的外部空气b'通过通道1b排出到外部。因此，可以减少外部空气进入蒸汽轮机和压盖蒸汽冷凝器的内部。

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