APPARATUS FOR RAISING MICROORGANISMS Russian patent published in 1995 - IPC

FIELD: microbiological industry. SUBSTANCE: apparatus consists of a vertical beveled body with technological pipes, centrally placed diffuser, recirculation system for cultural liquid which comprises the outer circulation pipes and air supplying ejector whose mixing chamber is coaxial to diffuser. The ejector is placed in the lower part of the body and connected to the circulation pipes. There is a cylindrical container outside the upper part of the body in a spaced relation to its wall to separate cultural liquid into a thick biomass and clarified liquid sent for recycling. There is an aerator placed above the bottom of the container. Circulation pipes are connected to the bottom. There is a perforated screw guide located in the above space. On its lower surface, the guide has radial partitions to accumulate the thickened biomass. EFFECT: higher efficiency and reliability. 3 dwg