DRAIN REMOVAL MONITORING DEVICE
To provide a drain removal monitoring device which can grasp whether or not drain is properly removed.SOLUTION: A drain removal monitoring device for monitoring drain removal which is performed by the suction of fluid at the outside of a stationary blade into an internal space via a slit which is fo...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a drain removal monitoring device which can grasp whether or not drain is properly removed.SOLUTION: A drain removal monitoring device for monitoring drain removal which is performed by the suction of fluid at the outside of a stationary blade into an internal space via a slit which is formed at a surface of at least one hollow stationary blade including the internal space in a steam turbine comprises: an air-liquid separator for separating fluid which is sucked into the internal space to a liquid phase and an air phase; a liquid phase flow rate measurement device for measuring the liquid phase which is separated by the air-liquid separator; an air phase flow rate measurement device for measuring the air phase which is separated by the air-liquid separator; a liquid phase return line for making the liquid phase flow rate measurement device and the steam turbine communicate with each other; and an air phase return line for making the air phase flow rate measurement device and the steam turbine communicate with each other.SELECTED DRAWING: Figure 1
【課題】ドレン除去が適切に行われているかどうかを把握できるドレン除去監視装置を提供する。【解決手段】蒸気タービンにおいて、内部空間を含む中空状の少なくとも1つの静翼の表面に形成されたスリットを介して、静翼の外部の流体を内部空間に吸い込むことによって行われるドレン除去を監視するためのドレン除去監視装置は、内部空間に吸い込まれた流体を液相と気相とに分離する気液分離装置と、気液分離装置によって分離された液相の流量を測定する液相流量測定装置と、気液分離装置によって分離された気相の流量を測定する気相流量測定装置と、液相流量測定装置と蒸気タービンとを連通する液相戻りラインと、気相流量測定装置と蒸気タービンとを連通する気相戻りラインとを備える。【選択図】図1 |
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