Patent ID: 9089853
Filing Date: 2015-07-28
Classification: B04B

Abstract:
1. A vertical centrifugal separation apparatus comprising: a cylindrical rotational tube which has a supply port for a liquid to be processed formed on a lower side, has a discharge port for a centrifuged liquid formed on an upper side, and is rotated about a vertical axis in performing centrifugation; a casing which accommodates the cylindrical rotational tube such that the tube is rotatable about the vertical axis; a support apparatus which supports the casing and the cylindrical rotational tube such that the casing and the tube are overturned together; and a self-sealing apparatus having a supply hole for the liquid to be processed and a close member which covers the supply hole from the outside to close the supply hole, the supply hole being provided in a circumferential direction in a lower portion of the cylindrical rotational tube and passing through the cylindrical rotational tube in a diameter direction, wherein the support apparatus can be set to a first overturn position in which a centrifuged liquid remaining in the cylindrical rotational tube is recovered after the centrifugation is completed and a second overturn position in which the cylindrical rotational tube is pulled out of the casing after the remaining centrifuged liquid is recovered, wherein the close member expands or moves outward to open the supply hole by the action of a centrifugal force when the cylindrical rotational tube is rotated in performing the centrifugation, and the close member closes the supply hole when the rotation of the cylindrical rotational tube is stopped.