JPS63193703U

JPS63193703U -

Info

Publication number: JPS63193703U
Application number: JP8581187U
Authority: JP
Priority date: 1987-06-03
Filing date: 1987-06-03
Publication date: 1988-12-13

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例の断面図、第２図
は上記第１実施例の内車室取り付け部詳細図、第
３図は本考案の第２実施例の断面図、第４図は上
記第２実施例の第２内車室貫通部の詳細図、第５
図は従来例の断面図である。１１……外車室、１２，１３……伸縮継手、１
４……フレキシブルスカート、１５，１６……シ
ールリング、１７，１８……テーパシール片、１
９……シールリング止めボルト、２１……第１内
車室（上車室）、２２……第１内車室（下車室）
、３１……第２内車室（上車室）、３２……第２
内車室（下車室）、４１……外車室（上車室）、
４２……外車室（下車室）、１００……高温・高
圧蒸気、２００……中温・中圧蒸気、３００……
低温・低圧蒸気。 Fig. 1 is a sectional view of the first embodiment of the present invention, Fig. 2 is a detailed view of the inner compartment attachment part of the first embodiment, Fig. 3 is a sectional view of the second embodiment of the invention, and Fig. 4 is a sectional view of the second embodiment of the invention. The figure is a detailed view of the second inner compartment penetration part of the second embodiment, and the fifth
The figure is a sectional view of a conventional example. 11... Outer compartment, 12, 13... Expansion joint, 1
4... Flexible skirt, 15, 16... Seal ring, 17, 18... Taper seal piece, 1
9... Seal ring retaining bolt, 21... First inner compartment (upper compartment), 22... First inner compartment (lower compartment)
, 31...Second inner compartment (upper compartment), 32...Second
Inner compartment (disembarking compartment), 41... Outer compartment (upper compartment),
42... Outer car room (disembarking room), 100... High temperature/high pressure steam, 200... Medium temperature/medium pressure steam, 300...
Low temperature/low pressure steam.

Claims

[Scope of utility model registration request]

In the low-pressure casing of a steam turbine, the part where the steam inlet pipe passes through the outer casing has a flexible double-pipe structure, and the entrance to the inner casing has a tapered part at the tip of the steam pipe and is attached to the casing side. A steam inlet structure for a steam turbine, characterized by having a seal structure pressed against a seal ring having a square cross section.