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  • Tube to Tubesheet Joints: The Many Choices (.pdf)
    solid, explosion clad or loose lined. Other factors to consider are whether or. not to seal weld, expand only, strength weld or use some combination of these and what should be. sequence of events during proof testing and inspection. KEYWORDS. Seal welding, tube-to-tubesheet welds, heat exchanger
  • A New Code of Practice for Remote Field Testing (RFT)
    changes in the RFT industry when the new standard comes into general use. RFT is an electromagnetic method used to examine tubes such as those commonly found in boilers and heat exchangers. Use of RFT has been expanding during the last decade, helping to. A New Code of Practice for Remote Field
  • Portable Leak Detection Instrument Improves Heat Rate at Electric Power Plant.
    electric power generation market attention must be given to. improving the condensers operating efficiency. Steam turbines cannot attain their. specified performance without an efficient condenser. Tube leaks that affect condenser. performance are critical. Most condenser tubes are designed to last
  • Air-to-Water Heat Exchanger Reduces Operating Costs by $120,000 per Year
    from the stack was transferred to the Anguil economizer which in turn created hot water. This otherwise lost energy is captured and can be used in various applications such as boiler feedwater, cold makeup water, process water, glycol, and thermal fluids. The stainless steel system is a tube
  • Condition Monitoring of Steam Turbines by Performance Analysis
    pair. An increase indicates blockage, probably from metal particles from boiler tube welding repairs. Section enthalpy drop efficiency (superheated steam sections) Calculated using steam tables computer program. A drop indicates blade fouling, or erosion damage. Section pressure ratios Stage
  • Analytical techniques
    ) Continuous Gas Analyser Emission Monitoring of Air Pollinates in Recovery Boilers in Pulp and Paper Plant. (See Analyser System Layout Drawing) This analyser system was designed to measure SO2, CO, O2, NOx and H2S (TRS). The sampling method used is extractive. An extractive gas analysis system
  • SteeLog (R) - A Metallurgical Dictionary
    this end. The term should be restricted to steels that are capable of being hardened by cooling in air in fairly large sections, about 2 in. (51 mm) or more in diameter. Air Heaters - Bank of boiler tubes located in the exhaust gas ductwork which preheats the incoming combustion air by transferring
  • Performance Acceptance Test for a Condensing Turbine Generator Drive (.pdf)
    and visually inspected before and after the test. Note 5 Flow straightener shall have a minimum of 30 tubes. Figure 1 shows the required arrangement for measuring steam or water flow. It is recommended that boiler. feedwater flow be utilized rather than steam since better accuracy is achievable when

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