Device for pelletizing vegetable material

Details Device for pelletizing vegetable material Device for pelletizing vegetable material

1994-08-03

1997-04-22

Melius, Terry Lee

Harvesters

Motorized harvester

Having driven means for handling or treating crop

56DIG1, A01F 2900

Patent

active

056220375

ABSTRACT:
A pressing or pelletizing device for compacting vegetable materials, in particular grass blades, is disclosed for use with a harvester. In order to reduce the pressing forces required for the pelletizing process, the pressing channels are heated up to a temperature above 100 degrees C. It has been demonstrated that by heating the pressing channels, local overheating of the device, which could otherwise lead to malfunctions, can be avoided. The pelletizing device has two co-axial hollow cylinders in which the pressing channels are delimited by radial lands which alternatively engage the pressing channels of the other hollow cylinder. The hollow cylinders are heated by means of a liquid circuit guided through the lands and linked to a heat exchanger that utilizes lost heat from the internal combustion engine of the harvester.

REFERENCES:
patent: 3192881 (1965-07-01), Lundell
patent: 3230903 (1966-01-01), Peterson et al.
patent: 3517488 (1970-06-01), Lundell
patent: 3859026 (1975-01-01), Osborn
patent: 4824352 (1989-04-01), Hadley et al.
patent: 5156570 (1992-10-01), Justice, III

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