BWE-30-0018rev.5 Boiler specification BWSC type 4AF Low-NOx burners 12 off Fuel consumption coal/oil 54/31 t/h Steam capacity SH 440 t/h, 540 °C, 155 bar RH 410 t/h, 540 °C, 34 bar Efficiency, coal 94.1 % The BWSC drum type boiler is supplied with a reheater to obtain high efficiency for the entire unit. Each of the four coal mills supplies 3 burners. A separate tubular air heater for primary air is located in the 2 pass of the boiler. With PA- temperatures of about 350 °C, it is possible to run the plant on relatively wet coals (20 % water content). The firing system is designed to obtain 100 % boiler load with one of the four coal mills out of operation, and by oil firing, full load is achieved at 9 burners. The new firing system comprises 12 off BWSC type 4AF Low-NO x burners arra

Join for free to read