Aerobic-cultivation tank

Details Aerobic-cultivation tank Aerobic-cultivation tank

C - Chemistry, Metallurgy

12

M

195/145

C12M 1/02 (2006.01) B01J 10/00 (2006.01) B01J 19/24 (2006.01) C12M 1/08 (2006.01)

Patent

CA 1302325

ABSTRACT OF THE DISCLOSURE An aerobic-cultivation tank of vertical type comprises: a closed outer tank structure of cylindrical shape; an internal cooling jacket secured concentrically to the inner wall surface of said tank structure and having a cylindrical space for accommodating a coolant; a plurality of fluid downcast pipes passed vertically through said space and being open at upper and lower ends thereof to upper and lower interior parts of the tank structure; means for passing the coolant through said space; and means for supplying fluid media into the tank structure, whereby, when the fluid media are supplied into the tank structure to a level above the upper ends of the fluid downcast pipes, the fluid media overflow into and descend through said pipes, while being cooled, into a lower interior part of the tank, while a portion of said fluid media in contact with the inner surface of the cooling jacket is also cooled and descends, the fluid media body as a whole thereby undergoing a natural circulatory flow due to convection.

587533

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