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Tuesday, 13 January 2015

Working of Benson Boiler

Working of Benson Boiler Points : Working of Benson boiler The major trouble of Lamont boiler is the creation of bubbles at inner side of heating tubes which decrease the heat flow and steam creation as it offers high thermal resistance than water layer. Benson argue in 1922 that if boiler pressure was increase to critical pressure (225 bars) steam and water contain the sensible density and thus danger of bubble formation can be simply reduce. The water as passed by economizer into radiant evaporator where most of the water is changed into steam and remain water is evaporated in convective evaporator absorbing heat as of hot gases with convection. Saturated high pressure steam (at 225 bar) is further passed through super heater.

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