Abstract: The coalfeeding from separated bunkers manner, which was adopted to burn the mixed low grade coal in boiler, was researched. The experiences of burning mixed low grade coal in boiler accumulated by Guotou Qujing Power Generation Corporation Limited were introduced, providing reference for same power plant in burning low grade coal.

Key words: burn mixed low grade coal in boiler, coal-feeding from separated bunkers manner, designed coal grade, checked coal grade