Keywords: boilers, combustion, resource, nitrogen oxides, recirculation


In Ukraine there is the technical possibility low-cost modernization of existing industrial and heating boilers, which capacity from 12 MW and they achieved the expiration date, with increasing duration of operation for 15–20 years and bringing their technical, economic and environmental performance to the modern world’s level. When the boiler house operates at nominal capacity, and has significant residual duration of operation, it is necessary to include the following activities: the increase of surface heating of boilers to achieve modern efficiency; the application of various methods of reducing emissions of NOx. When boiler operating in less than 2/3 of peak power of the nominal capacity should: the decrease value of the nominal capacity of boilers to economically expedient in view of the exhaust gases temperature; the creation of exhaust gases recirculation in boilers using existing draught-blowing equipment. In both cases it is necessary replace the burner on improved one with low NOx emissions.Bibl. 16, Fig. 10.

Author Biographies

I.Ya. Sigal, The Gas Institute of the National Academy of Sciences of Ukraine, Kyiv

Doctor of Technical Sciences, Professor

A.V. Smikhula, The Gas Institute of the National Academy of Sciences of Ukraine, Kyiv

Candidate of Technical Sciences


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How to Cite
Sigal, I., Smikhula, A., Marasin, O., & Lavrentsov, E. (2015). SERVICE LIFE EXTENTION OF BOILERS OVER 12 MW USED IN INDUSTRY, HOUSES HEATING AND HEAT ELECTROPOWER STATIONS. Energy Technologies & Resource Saving, (3), 46-55. Retrieved from
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