Solid material comminution or disintegration – Processes – With cell rupturing or liberation of contained liquids
Patent
1994-12-02
1997-08-12
Husar, John M.
Solid material comminution or disintegration
Processes
With cell rupturing or liberation of contained liquids
241 28, 241293, B02C 900
Patent
active
056557175
ABSTRACT:
An insertless perforated mill roll body adapted to be detachably sleeved upon a roller shaft for the grinding of a fluid-containing material such as sugar cane and extracting fluid such as sucrose juice therefrom. The insertless perforated mill roll body comprises a plurality of shish-ke-bab-like fluid channel strings to be encased in the roll body, each fluid channel string comprises a hollow fluid channel preferably defined by a channel wall member which generally extends between the two axial ends of the roll body with a plurality of fluid passage members affixed thereto. The roll body is formed by casting a castable material such as cast iron or steel to enclose the fluid channel strings, whereupon a hollow center bore is provided to receive the shaft therethrough. Each fluid passage member contains at least one generally radially extending fluid passage to allow communication between the outer periphery of the mill roll body and the fluid channel. The fluid passages are inherently cast in the roll body without the need to use externally applied inserts and the fluid passage members can be fixedly secured within the roll body by a retaining force developed during the casting process without any external means thus eliminating the insert fall-off problems experienced in the prior art perforated mill rolls while preserving and enhancing all the advantages thereof.
REFERENCES:
patent: 3969802 (1976-07-01), Bouvet
patent: 4391026 (1983-07-01), Casey et al.
patent: 4546698 (1985-10-01), Bouvet
patent: 4561156 (1985-12-01), Sun
patent: 4765550 (1988-08-01), Chen
patent: 4989305 (1991-02-01), Pole et al.
patent: 5369884 (1994-12-01), Chen
Husar John M.
Liauh W. Wayne
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