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On-Line Water Chemistry Measurements for Power Plants Ravi Jethra, Fred Kohlmann, Bhupen Patel, Endress + Hauser Inc. At the center of every efficient power plant, there is a well run water treatment system. Correct water treatment is crucial to provide high purity water to pre heater, boiler, steam and condensate systems, as well as other systems using boiling-water reactors and pressurized water reactors. The quality of makeup and feed-water is required to be monitored continuously to detect chaining water quality parameters (WQP). These changes in WQP usually indicate maintenance, upsets, leaks, and carryover. The long term data review of WQP also helps to study the gradual trends for prevention of corrosion or scaling. In case of inadequate measuring systems, these conditions may result in increased or unscheduled maintenance, higher capital cost, lower efficiency of heat transfer surfaces, and less profits due to down time. As newer and better technologies increase the power plant efficiencies in other area, the allowable limits on water quality become increasing important. Therefore, the requirements of WQP measurements become more important. The paper discusses data from case histories on water quality. In addition, the authors discuss how WQP measurements can be utilized to implement savings in reagents in the treatment process. The information presented in this paper would be helpful to operations managers, maintenance staff, and process owners of water treatments associated with power and steam utilities.
Revision Date: 4/14/2011
Tags: 221113 - Nuclear Electric Power Generation * , 221112 - Fossil Fuel 化石燃料, Endress + Hauser, Monitoring, Steam Cycle, Water Treatment, USA
Process Automation for Power Plants by Ravi Jethra, Endress + Hauser - Hot Topic Hour March 3, 2011
Ravi Jethra, Power Industry Specialist at Endress + Hauser, Inc., covered process instrumentation in power plants, primarily coal-fired power plants. The company has a wide range of liquid and gas instruments for flow, pressure and other parameters. They have service centers in the U.S., as well as mobile units for onsite renovation.
Revision Date: 3/3/2011
Tags: 221112 - Fossil Fuel 化石燃料, Endress + Hauser, Instrumentation
Process Automation for Power Plants - Hot Topic Hour March 3, 2011
Ravi Jethra, Power Industry Specialist at Endress + Hauser, Inc., covered process instrumentation in power plants, primarily coal-fired power plants. The company has a wide range of liquid and gas instruments for flow, pressure and other parameters. They have service centers in the U.S., as well as mobile units for onsite renovation.
Revision Date: 3/3/2011
Tags: 221112 - Fossil Fuel 化石燃料, Endress + Hauser, Instrumentation