Title:
DRAIN REMOVAL MONITORING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/235314
Kind Code:
A1
Abstract:
This drain removal monitoring device for monitoring drain removal in a steam turbine, performed by a fluid outside at least one hollow stator vane, which includes an internal space, being sucked into the internal space through a slit formed on the outer surface of the stator vane, is provided with: a gas-liquid separating device for separating the fluid sucked into the internal space into a liquid phase and a gas phase; a liquid phase flow rate measuring device for measuring the flow rate of the liquid phase separated by the gas-liquid separating device; a gas phase flow rate measuring device for measuring the flow rate of the gas phase separated by the gas-liquid separating device; a liquid phase return line providing communication between the liquid phase flow rate measuring device and the steam turbine; and a gas phase return line providing communication between the gas phase flow rate measuring device and the steam turbine.
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Inventors:
TAKATA RYO (JP)
OSAKO MASAKI (JP)
ISHIKAWA MASAHIRO (JP)
SATO HIDEAKI (JP)
TABATA SOICHIRO (JP)
TOCHITANI NAOTO (JP)
OSAKO MASAKI (JP)
ISHIKAWA MASAHIRO (JP)
SATO HIDEAKI (JP)
TABATA SOICHIRO (JP)
TOCHITANI NAOTO (JP)
Application Number:
PCT/JP2021/018215
Publication Date:
November 25, 2021
Filing Date:
May 13, 2021
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
International Classes:
F01D9/02
Foreign References:
| JP2014055577A | 2014-03-27 | |||
| JP2014040803A | 2014-03-06 | |||
| JPH0326802A | 1991-02-05 | |||
| JPH1151732A | 1999-02-26 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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