The water tube boilers ( where water to steam flow is within tubes and combustion of fuel is out side, in a furnace), are top supported units, suspended from a self supporting steel structure , arranged to provide total freedom of expansion for all parts of the boiler in down ward direction. All the parts meet the design codes, quality standards, material testing procedure and hydraulic test code laid by Indian Boiler Regulation , ASME standards or code of practices of respective country.
Boiler is a pressure vessel in which steam is generated by the application of heat resulting from the combustion of fuel , ( Solid, Liquid or Gaseous ) is classed as fired steam boiler . There are also unfired boilers where sensible heat emanating from some primary process is further utilized to generate steam , installed at down stream . Such boilers are commonly known as Heat recovery steam generators( HRSG boilers.)
Om Prakash (Irc Engineering Services India Private Limited)
C/O S.P.Sharma S - 140 , Pandav Nagar, Delhi - 110092, India
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