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  2. Steam and water analysis system - Wikipedia

    en.wikipedia.org/wiki/Steam_and_water_analysis...

    A rod-in-tube type of pressure reducer is the most effective method of pressure reduction recommended in ASME PTC19.11-2008 standard. As per the latest technology, a Sample rod-in-tube pressure reducer with thermal and safety relief valve [7] device is considered to be the most reliable and safe device. Single Rod in Tube System is a system in ...

  3. Boiler explosion - Wikipedia

    en.wikipedia.org/wiki/Boiler_explosion

    A fuel explosion within the confines of the firebox may damage the pressurized boiler tubes and interior shell, potentially triggering structural failure, steam or water leakage, and/or a secondary boiler shell failure and steam explosion. A common form of minor firebox "explosion" is known as "drumming" and can occur with any type of fuel.

  4. Caustic embrittlement - Wikipedia

    en.wikipedia.org/wiki/Caustic_embrittlement

    A tube damaged by caustic embrittlement. White caustic deposits can be seen inside. As water evaporates in the boiler, the concentration of sodium carbonate increases in the boiler. In high pressure boilers, sodium carbonate is used in softening of water by

  5. Ledinegg instability - Wikipedia

    en.wikipedia.org/wiki/Ledinegg_instability

    In fluid dynamics, the Ledinegg instability occurs in two-phase flow, especially in a boiler tube, when the boiling boundary is within the tube.For a given mass flux J through the tube, the pressure drop per unit length (which typically varies as the square of the mass flux and inversely as the density, i.e., as /) is much less when the flow is wholly of liquid than when the flow is wholly of ...

  6. Tubular NDT - Wikipedia

    en.wikipedia.org/wiki/Tubular_NDT

    The tubes must be clean enough to allow passage of the probe: deposits of debris, rust, or scale may have to be removed by chemicals or pressure washing. In water-tube boilers , the tubes may be examined from the outside when the boiler is shut down, often using ultrasonic testing .

  7. Internally rifled boiler tubes - Wikipedia

    en.wikipedia.org/wiki/Internally_rifled_boiler_tubes

    Internally rifled boiler tubes are used to evaporate water into steam inside boilers of thermal power plants. Because of their internally rifled shape, they are more efficient. The boiling crisis takes place later, thus allowing for greater heat transfer between the pipe and the fluid inside the pipe.

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