Rice mill for manufacturing rice protein powder

The invention discloses a rice mill for manufacturing rice protein powder. The rice mill comprises: a feeding hole, a rice grinding chamber, a driving device, a supporting device and a discharge hole,wherein an impurity removing chamber is detachably connected above the feeding hole; a heating device is arranged on the inner wall of the impurity removing chamber; a first suction fan is arranged at one side of the impurity removing chamber; a collection box is connected at an outlet of the first suction fan; an iron removing chamber is detachably connected above the impurity removing chamber;the iron removing chamber comprises a first rotating shaft which is connected at two walls of the iron removing chamber through bearings; a plurality of turnover plates are arranged on the first rotating shaft; a plurality of magnets are arranged on the outer wall of each turnover plate; the supporting device comprises a first support plate, a second support plate and a third support plate; and the first suction fan and th