A thermal computation program of process steam boilers obtained with reusable equipments and plants
2010
This paper presents a process steam boiler dimensioned by means of two computer programs. The first computer program entitled "thermal computation of the chamber furnace of boiler" provides the utilization of the Boltzmann criterion. This computer program consists in determination of the radiant heat exchange surface. By means of this computer program, there were also made simulations in the imposed conditions of utilization of reusable furnace and different fuel types ( natural gas, heavy fuel or refinery gas). The second computer program entitled "thermal computation of the heat exchangers" allows dimensioning of the different convective heated surfaces of boiler which are placed after the chamber furnace (convective vaporizer, steam superheater, eonomizer and water preheater). By means of this computer program, there were also made simulations in the imposed conditions of utilization of reusable convective heat exchangers. Comparing the results of functional parameters determined by measurements with computation results, satisfactory convergence is found.
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