Composite type screen

Details Composite type screen Composite type screen

B - Operations, Transporting

07

B

B07B 1/24 (2006.01) B01D 29/01 (2006.01) B01D 29/11 (2006.01) B01D 36/02 (2006.01) B07B 1/04 (2006.01) B07B 1/20 (2006.01) B07B 9/00 (2006.01) D21D 5/02 (2006.01) D21D 5/04 (2006.01)

Patent

CA 2118617

ABSTRACT OF THE DISCLOSURE A composite type screen includes a machine main body divided into a first structural part in which a primary processing chamber is contained and a second structural part in which a secondary processing chamber is contained and a screen plate is interposed between the surfaces of the first structural part and the second structural part defined by the division. Since a first rotary shaft having an impeller mounted thereto is disposed in the primary processing chamber and a second rotary shaft having a rotor mounted thereto is disposed in the secondary processing chamber, the first rotary shaft does not pass through the first screen member. As a result, a seal member for the first screen member is not needed, whereby the number of parts is reduced and moreover a paper material can pass through the entire region of the first screen member and the area thereof through which the paper material passes is increased, so that a foreign substance removing efficiency can be improved.

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