Title:
EROSION ESTIMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/276387
Kind Code:
A1
Abstract:
This erosion estimation method is for estimating the degree of progress of erosion of a last-stage rotor blade of a steam turbine, the method including: a step for sampling supplied water containing a substance to be detected, which is included in the material constituting the last-stage rotor blade, from a water supply line that is connected to the steam turbine; a step for measuring the concentration of the substance to be detected in the sampled supplied water; and a step for estimating the degree of progress of erosion on the basis of the concentration thereof.
Inventors:
SENOO SHIGEKI (JP)
TABATA SOICHIRO (JP)
SAWATSUBASHI TETSUYA (JP)
TABATA SOICHIRO (JP)
SAWATSUBASHI TETSUYA (JP)
Application Number:
PCT/JP2022/016218
Publication Date:
January 05, 2023
Filing Date:
March 30, 2022
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F01D25/00; F22B37/38; G01N17/00; G01N33/2045
Foreign References:
| JPS57131034A | 1982-08-13 | |||
| JP2001065303A | 2001-03-13 | |||
| JP2015140762A | 2015-08-03 | |||
| US20120285226A1 | 2012-11-15 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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