JPS6259703U - - Google Patents
Info
- Publication number
- JPS6259703U JPS6259703U JP15155485U JP15155485U JPS6259703U JP S6259703 U JPS6259703 U JP S6259703U JP 15155485 U JP15155485 U JP 15155485U JP 15155485 U JP15155485 U JP 15155485U JP S6259703 U JPS6259703 U JP S6259703U
- Authority
- JP
- Japan
- Prior art keywords
- outer casing
- pressure turbine
- low
- sprayed layer
- flow path
- 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 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Coating By Spraying Or Casting (AREA)
Description
第１図は本考案の一実施例に係る外部ケーシン
グを適用した低圧タービンの概略を示す断面図、
第２図は溶射層のエロージヨンコロージヨン減量
と時間の関係を示す線図、第３図は蒸気タービン
プラントの系統図、第４図は従来の低圧タービン
の概要を示す断面図である。
１…ボイラ、２…高圧タービン、３…低圧ター
ビン、４…復水器、６…復水脱塩装置、７…低圧
給水加熱器、８…脱気器、１０…高圧給水加熱器
、１２…外部ケーシング、１３…内部ケーシング
、１４…ロータ、１５…動翼、１６…最終段動翼
、１７…スチームガイド板、２０…溶射層。
FIG. 1 is a cross-sectional view schematically showing a low-pressure turbine to which an external casing according to an embodiment of the present invention is applied;
FIG. 2 is a diagram showing the relationship between erosion and corrosion loss of a sprayed layer and time, FIG. 3 is a system diagram of a steam turbine plant, and FIG. 4 is a cross-sectional view showing an outline of a conventional low-pressure turbine. 1... Boiler, 2... High pressure turbine, 3... Low pressure turbine, 4... Condenser, 6... Condensate desalination device, 7... Low pressure feed water heater, 8... Deaerator, 10... High pressure feed water heater, 12... External casing, 13... Internal casing, 14... Rotor, 15... Moving blade, 16... Last stage moving blade, 17... Steam guide plate, 20... Thermal spray layer.
Claims (1)
圧タービンの外部ケーシングにおいて、前記内面
に耐侵食性に優れた材料からなる溶射層が形成さ
れていることを特徴とする低圧タービンの外部ケ
ーシング。 1. An outer casing for a low-pressure turbine, the outer casing of which has an inner surface constituting a steam flow path, characterized in that a thermal sprayed layer made of a material with excellent erosion resistance is formed on the inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15155485U JPS6259703U (en) | 1985-10-04 | 1985-10-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15155485U JPS6259703U (en) | 1985-10-04 | 1985-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6259703U true JPS6259703U (en) | 1987-04-14 |
Family
ID=31068733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15155485U Pending JPS6259703U (en) | 1985-10-04 | 1985-10-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6259703U (en) |
-
1985
- 1985-10-04 JP JP15155485U patent/JPS6259703U/ja active Pending
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