Title:
LOOP-SHAPED OIL SEALING STRUCTURE OF STEAM TURBINE GENERATOR
Document Type and Number:
WIPO Patent Application WO/2018/107985
Kind Code:
A1
Abstract:
A loop-shaped oil sealing structure of a steam turbine generator, comprising a transition ring (1), an end cover (8), and a sealing base (11). Sealing structures are formed respectively between the transition ring (1) and the end cover (8) and between the transition ring (1) and the sealing base (11) by means of a sealing plate (5); the transition ring (1) is provided with a first branch oil passage (2) and a second branch oil passage (4) that are in communication with each other; the first branch oil passage (2) and the second branch oil passage (4) separately run through the sealing plate (5); the end cover (8) is provided with a mounting recess and a second sealing strip (6) is embedded in the mounting recess; the sealing base (11) is provided with a mounting recess and a first sealing strip (7) is embedded in the mounting recess; the first branch oil passage (2) and the second branch oil passage (4) are filled with a sealing oil; the first branch oil passage (2), the second branch oil passage (4), the sealing plate (5), the second sealing strip (6), and the first sealing strip (7) together form the loop-shaped oil sealing structure. The loop-shaped oil sealing structure of a steam turbine generator can reduce the amount of supplemented hydrogen when the steam turbine generator runs, reduces application costs of the steam turbine generator, and effectively improves the running safety and reliability of the steam turbine generator.
Inventors:
GUAN YONGSHENG (CN)
CHEN WENXUE (CN)
HU DEJIAN (CN)
ZHU LINZHONG (CN)
QIN CHUAN (CN)
CHEN WENXUE (CN)
HU DEJIAN (CN)
ZHU LINZHONG (CN)
QIN CHUAN (CN)
Application Number:
PCT/CN2017/114364
Publication Date:
June 21, 2018
Filing Date:
December 04, 2017
Export Citation:
Assignee:
DONGFANG ELECTRIC MACHINERY CO LTD (CN)
International Classes:
H02K5/10; F16J15/14
Foreign References:
| CN106787375A | 2017-05-31 | |||
| CN206449198U | 2017-08-29 | |||
| SU815843A1 | 1981-03-23 | |||
| CN2717099Y | 2005-08-10 | |||
| CN203035951U | 2013-07-03 | |||
| CN204344929U | 2015-05-20 |
Attorney, Agent or Firm:
CHENGDU JIUDINGTIANYUAN INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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