Since the sub-refiner pulp residue is a new soybean processing machinery, characterized by raw materials in the ground, while free to the pulp and separate the residue from the body. The aircraft structure is reasonable, attractive appearance, easy to operate. Small size, light weight, low noise, energy, stable performance, reliable, easy to clean, easy to move, etc., for soybean plants, catering, canteens, restaurants and individual businesses to use.