Pelletizing disc assembly and control system

Details Pelletizing disc assembly and control system Pelletizing disc assembly and control system

1990-04-26

1991-07-23

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Control means responsive to product weight or dimension

264 401, 264117, 425145, 425222, 425232, B29B 908, B29C 6702

Patent

active

050339532

ABSTRACT:
In apparatus for spraying water on granular material in a rotating cylindrical pan and for compressing the mixture into pellets. A moisture sensor on said pan provide a signal to a programmable computer controller for providing a constant moisture content on the surface of the pellets. In one embodiment, a liquid nozzle is controlled by a control valve such as to maintain the constant moisture content. In another embodiment, a high intensity mixture is provided for mixing dry powder in varying amount with high moisture material to produce pellets having substantially constant surface moisture when discharged from the pelletizing disc.

REFERENCES:
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patent: 3406426 (1968-10-01), Pobst, Jr. et al.
patent: 3834850 (1974-09-01), Takewell et al.
patent: 3883281 (1975-05-01), Holley
patent: 4010001 (1977-03-01), Dollinger
patent: 4050271 (1977-09-01), Kleeberg et al.
patent: 4091060 (1978-05-01), Carter et al.
patent: 4330246 (1982-05-01), Varrasso
patent: 4344747 (1982-08-01), Henry
patent: 4698190 (1982-10-01), Shibata et al.
patent: 4902210 (1990-02-01), Shibata

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