Home > products > summary of spray dryer For the hot blast generator used in drying procedure, there are electric heating types that are suitable for smal-sized sprayer. Also there is a gas- direct combustion type that has high thermal efficiency and a clean energy system; a steam heater type using stream; a bunker-C, oil-direct combustion type, other direct combustion types, indirect combustion type, heat transfer oil heater type, etc. We can produce any kind of hot blast generator according to the needs of the customer and powder quality.