Biomass/coal co-firing in utilities

Intention of co-firing of biomass and boiler coal on fluid bed boiler FK1 of SE-ENO A plant In Slovak Electricity Company, Power Plant Novaky, currently it is being prepared a combustion test scheduled on a seven days period. It is planned to co-fire about 30 % of biomass of the total power input of the fluid bed boiler FK1. Considering the hourly consumption of coal 35 t/h, thus consumption of the biomass is about 10 t/h. That represents consumption of 1700 t of biomass during the combustion test. The mixture of coal and biomass should be transported into fuel boiler bunker of the FK1 boiler by using of existing coaling system. The boiler FK1 is designed for using of circulating fluid bed technology. For the preparation of the operational test are exploited the experience gained so far at combustion of mixture of coal and biomass on fluid bed boilers of Electricity company CEZ, a.s. and the combustion of wood chips on fire-grate boiler of SES, a.s. Tlmace. (author)