Apparatus for pelleting flocculent particles

Details Apparatus for pelleting flocculent particles Apparatus for pelleting flocculent particles

1978-01-23

1979-07-24

Spicer, Jr., Robert L.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Agitating to form larger particles

425222, 422242, 422256, C09C 156

Patent

active

041622871

ABSTRACT:
Particles being pelleted, e.g., flocculent carbon black being pelleted with water, are passed through alternating zones of increasing and decreasing pressure. An apparatus is disclosed in which a cylindrical shell comprises a rotatable shaft located substantially on the longitudinal axial center line of the shell. The shaft has pins positioned thereon forming at least one helix with alternate decreasing and increasing pitches along the helix thus to effect compression and expansion actions on the mass in the pelleter, thereby producing a narrow size range of pellets.

REFERENCES:
patent: RE21379 (1940-03-01), Glaxner
patent: 2924847 (1960-02-01), Keiding et al.
patent: 3597170 (1971-08-01), Dollinger
patent: 4010001 (1977-03-01), Dollinger

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