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工频发电机调速的背压式小汽轮机驱动给水泵系统及方法

申请公布号:CN103362770A

申请号:CN201310352601.4

申请日期:2013.08.13

申请公布日期:2013.10.23

申请人:
中国电力工程顾问集团华东电力设计院

发明人:申松林;施刚夜;叶勇健;林磊

分类号:F04B17/00(2006.01)I;F04B49/20(2006.01)I

主分类号:F04B17/00(2006.01)I

代理机构:
上海一平知识产权代理有限公司 31266

代理人:蔡继清;翁霞

地址:200063 上海市普陀区武宁路409号

摘要:本发明公开了一种工频发电机调速的背压式小汽轮机驱动给水泵系统。该系统包括背压式小汽轮机、给水泵组、工频发电机和调速齿轮箱,其中,背压式小汽轮机、给水泵组、工频发电机和调速齿轮箱同轴相连;在背压式小汽轮机和工频发电机之间配置调速齿轮箱,通过调速齿轮箱调速后带动所述工频发电机转动;通过控制工频发电机的输出,从而控制背压式小汽轮机的转速,进而控制给水泵组的转速。本发明的系统极大地减少了小汽轮机进汽节流的损失,提高运行效率,并且充分发挥了小汽轮机的做功能力,增加运行收益。本发明还公开了一种蒸汽发电机组以及调节给水泵转速的方法。

主权项:一种工频发电机调速的背压式小汽轮机驱动给水泵系统,其特征在于,所述系统包括背压式小汽轮机、给水泵、工频发电机和调速齿轮箱,其中,所述背压式小汽轮机、所述给水泵、所述工频发电机和所述调速齿轮箱同轴相连;所述调速齿轮箱配置在所述背压式小汽轮机和所述工频发电机之间,从而所述背压式小汽轮机的转动通过所述调速齿轮箱调速后带动所述工频发电机转动;以及通过控制所述工频发电机的输出,从而控制所述背压式小汽轮机的转速,进而控制所述给水泵的转速。

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