... the following: can be adjusted to many kinds of coal, high efficiency, energy saving, environment friendly and so on.The features ... coal except the calorific value lower than 2000Kcal/Kg.2.High efficiency: the efficiency of boiler is more than 89%, carbon ... combustion (more than 95%), it can desulfurate inside the boiler, high efficiency, low temperature combustion, which can reduce the discharge of ...