Complex sentence: Fuel nozzles and burners were aligned at a tangential angle, (an imaginary circle) to ensure an even heat distribution in the furnace, The pulverized fuel nozzle were provided with vertical movement to control steam temperature conditions.
Split into simpler sentences: Fuel nozzles and burners were aligned at an imaginary circle in the furnace ensuring an even heat distribution. Pulverized fuel nozzle were provided with vertical movement to control temperature conditions.