The installation and commissioning of the soybean dregs flash drying project in Jiangsu has been completed and put into production. The flash dryer is a new type of continuous drying equipment that integrates drying, crushing, and screening. The moisture evaporates instantly and the material residence time is short. It can effectively prevent the material from sticking to the wall and the heat-sensitive material from deteriorating. The flash dryer can dry wet material into a uniform powder product at one time.