FIELD: process engineering.
SUBSTANCE: invention relates to woodworking and can be used for pelletising of timber wastes. Expeller comprises housing consisting of intake zone and zones of material compaction, forming of pellets and curing. Housing accommodate driven compaction screw with forming ledge. Hollow screw is furnished with tube for feeding of hot heat carrier for heating said screw and timber wastes in contact with its surface. Temperature gage is used to measure heating temperature.
EFFECT: higher efficiency and quality.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SCREW EXTRUDER | 1993 |
|
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|
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