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According to the current situation of grain rotary dryer equipment and large market demands in countryside, the drum dryer experts write articles and points out the six grain dryer development trends:

1. To design the drum dryer equipment which lower the grain of high moisture directly to that of safety moisture content standard. For that, there are two ways that we can choose from: the united drying method, which means combining more than two drying methods of different drum dryers together to form a new drying technology. From the grain drying technology development of countries all over the world, it is a trend; the other way is to design the high efficiency grain expansion drying machine.
2. The capacity of the grain dryer develops towards macro-scale operation. Concerning that, the drum dryer manufacturers need to develop the drum dryer equipment of 20ton to 30ton handling capacity per hour.
3. The grain lrotary dryer in countryside should develop towards minitype and muti-function.
4. To achieve the automation or semiautomation by applying the advanced observation and control technology.
5. Taking the fuel coal as energy. In this respect, the indirect type high efficiency and energy-saving drum dryer is the main develop trends of the drum dryer industry.
6. To deal with the mass high moisture content grain with high temperature and rapid speed.