Transcription of 2. BOILERS
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2. BOILERS
2. BOILERS27 Bureau of Energy EfficiencySyllabusBoilers:Types, Combustion in BOILERS , Performances evaluation, Analysis of losses, Feedwater treatment, Blow down, Energy conservation IntroductionAboileris an enclosed vessel that provides a means for combustion heat to be transferred intowater until it becomes heated water or steam. The hot water or steam under pressure is thenusable for transferring the heat to a process. Water is a useful and cheap medium fortransferring heat to a process. When water is boiled into steam its volume increases about 1,600times, producing a force that is almost as explosive as gunpowder. This causes the boiler to beextremely dangerous equipment that must be treated with utmost process of heating a liquid until it reaches its gaseous state is called evaporation. Heatis transferred from one body to another by means of (1) radiation, which is the transfer of heatfrom a hot body to a cold body without a conveying medium, (2) convection, the transfer ofheat by a conveying medium, such as air or water and (3) conduction, transfer of heat by actualphysical contact, molecule to SpecificationThe heating surface is anypart of the boiler metalthat has hot gases of com-bustion on one side andwater on the other.
2. BOILERS Bureau of Energy Efficiency 27 Syllabus Boilers: Types, Combustion in boilers, Performances evaluation, Analysis of losses, Feed water treatment, Blow down, Energy conservation opportunities. 2.1 Introduction A boiler is an enclosed vessel that provides a means for combustion heat to be transferred into water until it becomes heated water or steam.
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