B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 17/02 (2006.01) B03B 9/06 (2006.01) B29B 17/00 (2006.01) B29B 17/04 (2006.01)
Patent
CA 2209381
The invention relates to a process and apparatus for reprocessing mixed plastics, more particularly mixed plastics from household refuse. With the process according to the invention the material being reprocessed is shredded in a shredding stage, agglomerated in an agglomerator wherein volatile substances are sucked off by suction devices, and the agglomerated material is dried over a drying path. In order to reduce obstructive substances, such as paper and ash, the fine grain portion in particular of the plastics agglomerated is screened off. With the drying process according to the invention it is possible to produce without wet processing steps which are high in energy consumption a plastics agglomerate of high quality which is suitable for industrial re-use.
L'invention concerne un procédé et une installation de traitement de plastiques mixtes, notamment de plastiques provenant de déchets ménagers. Selon ce procédé, le matériel à traiter est broyé lors d'une phase de broyage, puis aggloméré dans un agglomérateur, les substances volatiles étant aspirées à l'aide de dispositifs d'aspiration. Le matériel aggloméré est ensuite séché dans une section de séchage. Afin de diminuer le volume de matières indésirables telles que le papier et les cendres, la part de plastique aggloméré qui se présente sous forme de fines particules est notamment éliminée par criblage. Le procédé de séchage utilisé permet de produire, sans nécessiter d'étapes de procédé par voie humide qui consomment énormément d'énergie, un plastique aggloméré d'excellente qualité, convenant à d'autres traitements industriels.
Fahrbach Gerhard
Guschall Dietmar
Guschall Heiner
Helmerth Axel
Himmel Jorg
Borden Ladner Gervais Llp
Der Grune Punkt Duales System Deutschland Gesellschaft Fur Abfallverm Dung Und S
Der Grune Punkt - Duales System Deutschland Aktiengesellschaft
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