Patent ID: 7350961

Claim:
An agitation mixer comprising: a casing in which a flow channel allowing the passage of fluid is mounted inside; an agitator body comprising a shaft formed inside the casing and connected to a vibration source and impeller blades attached to the circumference of the shaft; a material inlet from which a raw material is fed into the casing; a material outlet; one or more steam inlets from which steam is injected into the inside of the casing; and a filter installed inside the casing so as to surround the agitator body, wherein one or more agitation chambers are formed inside the casing by dividing the flow channel with partition plates, at least one of the one or more steam inlets is positioned in proximity of the material inlet, the material outlet is mounted to a first agitation chamber, and the filter is placed so as to surround the agitator body in only the first agitation chamber.