Technique for monitoring the oxidation reduction potential characteristics of a steam environment
Patent
·
OSTI ID:5949351
The invention provides a method for the continuous monitoring of the oxygen or hydrogen concentrations in a steam system with a solid electrolyte oxygen analyzer. The operating temperature of the analyzer is adjusted to about 500/sup 0/ C. and the reference gas used for the analyzer is air or oxygen-inert gas mixture. Under operating conditions, an oxygen or hydrogen level of low parts per billion in superheated or saturated steam can be identified and measured. This technique is specifically useful for continuously monitoring the air inleakage, that is, the oxygen contents in steam and for controlling the corrosion intensity that is, the hydrogen levels in steam in, for example, steam turbine systems in power plants.
- Assignee:
- Westinghouse Electric Corp.
- Patent Number(s):
- US 4537661
- OSTI ID:
- 5949351
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200104* -- Fossil-Fueled Power Plants-- Components
AIR
CHEMICAL REACTIONS
CORROSION
CORROSIVE EFFECTS
DESIGN
ELECTROLYTES
ELEMENTS
FLUIDS
GAS ANALYSIS
GASES
HEATING
HIGH TEMPERATURE
HYDROGEN
INERT ATMOSPHERE
LEAD
MACHINERY
MEASURING INSTRUMENTS
METALS
MONITORING
MONITORS
NONMETALS
OXYGEN
SATURATION
SOLID ELECTROLYTES
STEAM
STEAM TURBINES
SUPERHEATING
SUPERSATURATION
TURBINES
TURBOMACHINERY
200104* -- Fossil-Fueled Power Plants-- Components
AIR
CHEMICAL REACTIONS
CORROSION
CORROSIVE EFFECTS
DESIGN
ELECTROLYTES
ELEMENTS
FLUIDS
GAS ANALYSIS
GASES
HEATING
HIGH TEMPERATURE
HYDROGEN
INERT ATMOSPHERE
LEAD
MACHINERY
MEASURING INSTRUMENTS
METALS
MONITORING
MONITORS
NONMETALS
OXYGEN
SATURATION
SOLID ELECTROLYTES
STEAM
STEAM TURBINES
SUPERHEATING
SUPERSATURATION
TURBINES
TURBOMACHINERY