JPS6178202U - - Google Patents
Info
- Publication number
- JPS6178202U JPS6178202U JP16236684U JP16236684U JPS6178202U JP S6178202 U JPS6178202 U JP S6178202U JP 16236684 U JP16236684 U JP 16236684U JP 16236684 U JP16236684 U JP 16236684U JP S6178202 U JPS6178202 U JP S6178202U
- Authority
- JP
- Japan
- Prior art keywords
- shroud ring
- steam turbine
- hardening
- cover
- hardening treatment
- 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
- 230000003628 erosive effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は、本考案の一実施例の斜視図、第２図
は、第１図の説明図、第３図は、従来の構造図、
第４図は、酸化スケールの飛来状況の説明図、第
５図は、シユラウドリングのエロージヨン状態図
である。
１……ロータホイール、２……高圧初段動翼、
３……インテグラルカバー、４……シユラウドリ
ング、５……テノン、７……ノズルボツクス、８
……ノズル翼、９……硬化処理部。
FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is an explanatory diagram of FIG. 1, and FIG. 3 is a conventional structural diagram.
FIG. 4 is an explanatory diagram of the state of flying oxide scale, and FIG. 5 is a diagram of the erosion state of the shroud ring. 1...Rotor wheel, 2...High pressure first stage rotor blade,
3... Integral cover, 4... Shroud ring, 5... Tenon, 7... Nozzle box, 8
... Nozzle blade, 9 ... Hardening processing section.
Claims (1)
しカバーの外周部に、動翼同士を周方向に相互に
連絡するシユラウドリングを有する構造において
、動翼のカバー間ギヤツプ部の上部にあたるシユ
ラウドリングの内面に硬化処理を施工したことを
特徴とする蒸気タービンのシユラウドリング。 ２ 特許請求の範囲第１項において、硬化処理は
耐エロージヨン性に富む硬化処理であることを特
徴とする蒸気タービンのシユラウドリング。[Claims for Utility Model Registration] 1. In a structure that has a cover integrally formed at the tip of the moving blade and a shroud ring on the outer periphery of the cover that interconnects the moving blades in the circumferential direction, A steam turbine shroud ring characterized by hardening the inner surface of the shroud ring, which is the upper part of the gap between the blade covers. 2. The shroud ring for a steam turbine according to claim 1, wherein the hardening treatment is a hardening treatment with high erosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16236684U JPS6178202U (en) | 1984-10-29 | 1984-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16236684U JPS6178202U (en) | 1984-10-29 | 1984-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6178202U true JPS6178202U (en) | 1986-05-26 |
Family
ID=30720252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16236684U Pending JPS6178202U (en) | 1984-10-29 | 1984-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6178202U (en) |
-
1984
- 1984-10-29 JP JP16236684U patent/JPS6178202U/ja active Pending