JPS59130004U - Steam turbine corrosion prevention device - Google Patents
Steam turbine corrosion prevention deviceInfo
- Publication number
- JPS59130004U JPS59130004U JP1326483U JP1326483U JPS59130004U JP S59130004 U JPS59130004 U JP S59130004U JP 1326483 U JP1326483 U JP 1326483U JP 1326483 U JP1326483 U JP 1326483U JP S59130004 U JPS59130004 U JP S59130004U
- Authority
- JP
- Japan
- Prior art keywords
- steam
- corrosion prevention
- reservoir
- turbine
- prevention device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は一般的な蒸気タービンのロータを示す側断面図
、第２図は本考案の腐蝕防止装置の腐蝕防止装置を施こ
したタービンロータ部の概略構成を示す側断面図、第３
図は第２図のラビリンスパツキン部の拡大断面図である
。
１・・・ロータシャフト、２・・・羽根、３・・・円板
、３ａ・・・ハブ、４・・・キー、５・・・微少間隙、
７・・・ノズルダイヤフラム、８・・・ラビリンスパツ
キン、９・・・蒸気供給孔、１１・・・蒸気供給管、１
６・・・漏洩蒸気捕集溝、１７・・・漏洩蒸気バイパス
路、１８・・・蒸気溜、１９・・・連通孔。Fig. 1 is a side sectional view showing a rotor of a general steam turbine, Fig. 2 is a side sectional view showing a schematic configuration of a turbine rotor portion equipped with the corrosion prevention device of the present invention, and Fig. 3
The figure is an enlarged sectional view of the labyrinth packing portion of FIG. 2. DESCRIPTION OF SYMBOLS 1... Rotor shaft, 2... Vane, 3... Disc, 3a... Hub, 4... Key, 5... Minute gap,
7... Nozzle diaphragm, 8... Labyrinth packing, 9... Steam supply hole, 11... Steam supply pipe, 1
6... Leakage steam collection groove, 17... Leakage steam bypass path, 18... Steam reservoir, 19... Communication hole.
Claims (1)
間の微少間隙に連通し、上記ハブに対向するノズルダイ
ヤフラム内周面に設けられたラビリンスパツキンの２つ
のフィン列の間によって区劃形成された環状の蒸気溜と
、上記ノズルダイヤフラムに沿って設けられ、蒸気源か
ら清浄蒸気を上記蒸気溜に供給する蒸気供給路と、上記
ラビリンスパツキンの最上流側フィン群と円板のハブと
の間を流下する漏洩蒸気を、前記蒸気溜をバイパスさせ
る漏洩蒸気バイパス路とを有し、前記蒸気供給路の少な
くとも蒸気溜への開口側先端部をタービン上流側に向っ
て傾斜させたことを特徴とする、蒸気タービンの腐蝕防
止ピンの腐蝕防止装置。A partition is formed between two fin rows of a labyrinth packing provided on the inner circumferential surface of the nozzle diaphragm facing the hub, communicating with a minute gap between adjacent hubs of a disc mounted on the turbine rotor. An annular steam reservoir, a steam supply path provided along the nozzle diaphragm and supplying clean steam from a steam source to the steam reservoir, and a space between the most upstream fin group of the labyrinth packing and the disk hub. It is characterized by comprising a leaky steam bypass path that allows flowing leaking steam to bypass the steam reservoir, and at least a tip end of the steam supply path on the opening side to the steam reservoir is inclined toward the upstream side of the turbine. , Corrosion prevention device for corrosion prevention pin of steam turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1326483U JPS59130004U (en) | 1983-02-01 | 1983-02-01 | Steam turbine corrosion prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1326483U JPS59130004U (en) | 1983-02-01 | 1983-02-01 | Steam turbine corrosion prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59130004U true JPS59130004U (en) | 1984-08-31 |
Family
ID=30144656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1326483U Pending JPS59130004U (en) | 1983-02-01 | 1983-02-01 | Steam turbine corrosion prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59130004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009062979A (en) * | 2007-09-04 | 2009-03-26 | General Electric Co <Ge> | Labyrinth compression seal and turbine incorporating the same |
-
1983
- 1983-02-01 JP JP1326483U patent/JPS59130004U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009062979A (en) * | 2007-09-04 | 2009-03-26 | General Electric Co <Ge> | Labyrinth compression seal and turbine incorporating the same |
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