Water ring pelletizer

Details Water ring pelletizer Water ring pelletizer

1991-06-07

1993-06-01

Simmons, David A.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Means forming from bulk and downstream severing means

264142, 425313, 425DIG230, B29B 900

Patent

active

052157636

ABSTRACT:
A pelletizer for liquid polymers in which the severed pellets fall from cutter knives into an annulus on the surface of a body of cooling liquid. The annulus is defined by said surface and the confluence of a downwardly flowing ring of the cooling liquid and a downwardly and radially outwardly flowing cascade of the cooling liquid. The velocity and trajectory of the pellets are controlled by the projection of a spray of cooling liquid radially across the dies from which the pellets are severed. Band heaters in proximity to the dies maintain the polymer in a liquid state prior to extrusion.

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