Grain roaster, using roasting or drying method will be better

You need a rotating drum type grain roaster or need to dry it until it is crispy without peeling the shell or burning the germ. Currently, Mactech does not provide rotating drum roasters because this device is rarely used and has the disadvantage of causing the grain to peel off the shell and break the germ, so customers use the crispy drying machine more.

What are the disadvantages of grain roasting machines?

The most common roasting machine is the rotating cage type to stir the grains evenly for more even heat contact, because these machines all use direct heat transfer through the grain contact with the rotating drum. The advantage is even contact, the disadvantage is burnt shell, peeling shell, broken germ, split grain, does not ensure product dryness, inaccurate temperature control and difficult to roast in large quantities. Therefore, the crispy drying method is increasingly used because it maintains the original shape of the grain without burning the shell, breaking the shell, breaking the germ, evenly crispy, and has a more beautiful color than rotary roasting.

The trend of using crispy drying machines.

As analyzed above, many facilities producing dried cereal grains or cereal powder are currently switching to using crispy drying machines for cereal grains because they are very convenient to use, and can set many drying and crispy drying modes. A type of grain or seeds, to ensure the product is dry and fragrant for a long time, must ensure the drying requirements before drying it. With grain roasting machines, there is usually no drying mode, so the grain does not ensure the necessary dryness for long-term preservation. Specialized dryers allow precise temperature control, humidity control and drying time setting for each stage, hot air circulating in the machine ensures the uniformity of the dried product.

The above video is a guide to using the controller of the high-temperature dryer line, which is specialized in drying crispy nuts and drying industrial products such as electronic components, paint, wood, mica, and plastic. The new generation of machines uses a controller that allows setting multiple drying stages, meaning that in a drying process, different temperature stages and different times can be automatically changed, for example, drying for 2 hours at 70^oC, then automatically increasing the temperature to 110^oC to dry for 30 minutes, then automatically reducing the temperature to 60^oC and continuing to dry for 60 minutes. Most types of dried grains are often not dry enough to be preserved for a long time, so adding a grain drying step will ensure the necessary dryness, and grains or cereal powder can be preserved for a long time without worrying about mold.

So, readers have learned more about whether to use a grain roaster or a grain dryer to get good results and save time and effort. Please contact Mactech directly for detailed advice on each type of machine and the most suitable way to dry products.