Soybean dregs is a combination of water, oily materials, moisture is more difficult to deal with, need to use a special dehydration dryer to process soybean dregs into dry feed, will be put into the dryer, start the blower, the dehydrated soybean dregs will be turned in the drum, after a certain period of time can be made, but the cost of this method is higher, and is not generally used.