Moisture detector for steam line

Details Moisture detector for steam line Moisture detector for steam line

1976-12-22

1977-12-13

Caldwell, Sr., John W.

Communications: electrical

Systems

Call station

73 29, 73212, 340235, G08B 2100, G01N 2560

Patent

active

040632288

ABSTRACT:
In a steam turbine, the presence of water slugs can have an adverse effect on certain turbine parts. One particular area of concern is the low-pressure end of the turbine wherein excess moisture is more likely to occur. Another source of moisture is an extraction line interconnecting a turbine stage with a feedwater heater. It is possible for wet steam and/or water slugs to travel from the feedwater heater to the turbine and vice-versa. The present invention provides a monitoring device for a steam conduit which detects the presence of water slugs or wet steam in a steam conduit and will further indicate a reverse direction of flow in the steam conduit.

REFERENCES:
patent: 2316624 (1943-04-01), Romanelli
patent: 2489455 (1949-11-01), Leone
patent: 2642737 (1953-06-01), Kinsella
patent: 2946221 (1960-07-01), Annear et al.
patent: 3358738 (1967-12-01), Chambers
patent: 3413838 (1968-12-01), Duddy
patent: 3573019 (1971-03-01), Rees
patent: 3688295 (1972-08-01), Tsoras et al.
patent: 3991603 (1976-11-01), Wonn et al.

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