STUDY CONCERNING THE OPERATING PARAMETERS OF CENTRAL HEATING PLANTS IN CONDENSATION REGIME

Octavian POP, Ioan POP

Abstract


A method, of reducing gaseous fuel consumption used in heating systems, is by using condensing boilers which have a higher heating efficiency, due to the condensations of vapors from the gases that result from the combustion process. Cooling the gases under the saturation temperatures, implies the use of heating water at low temperatures: flow/return 60/40 °C, which leads to oversized heating elements thus raising the costs of investment. Therefore it is reasonable to design heating elements at temperatures of 80/60 °C flow/return. The aim of this paper is to determine the average temperature of the heating fluid depending on the exterior temperatures and to identify the periods when the condensation of vapors occurs, resulting in very high efficiency of the condensation boilers.

 Key words: condensing boilers, vapor condensation temperature, flow/return temperature, heating elements.


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References


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