No oil, grinding speed is too fast. When grinding peanuts with a sauce grinder, the peanut butter should normally be ground into a paste. The reason why the peanut butter is ground into dry powder is because the ground peanuts are processed dry peanuts. There is no oil inside the peanuts, or the rotation speed of the sauce grinder is too fast, and the peanuts will be ground into powder. The moisture inside is rubbed dry. The refiner equipment is a novel stainless steel wet grinding equipment, used for wet grinding of rice, soybeans, corn, potatoes and other grain materials.