发明名称 |
Verfahren und Vorrichtung zur Verarbeitung von Kunststoffabfall zu Blöcken. |
摘要 |
<p>The present invention relates to a process and a device for processing plastic waste, such as packaging foil of polyvinylchloride, polyethylene, polypropylene etc. into blocks by compressing it in a container. Said compressing of the plastic waste is achieved by means of a punch at a temperature of 120 - 180 DEG C and a pressure of 250 - 400 g/cm<2> and preferably at a temperature of 140 - 160 DEG C and a pressure of 260 - 290 g/cm<2>, followed by cooling with air. The cooling is carried out by the introduction of air in the container by means of a fan, which cooling takes place in 5 - 15 minutes, and preferably 8 - 10 minutes. The device of the invention is provided with a punch, whereas the inner surfaces of said container and/or said punch are provided with a coating in order to prevent said softened and compressed plastic waste from adhering to the walls. Said coating is preferably teflon, whereas the heating elements advantageously are electrical heating elements.</p> |
申请公布号 |
DE69021259(T2) |
申请公布日期 |
1996.04.04 |
申请号 |
DE1990621259T |
申请日期 |
1990.05.11 |
申请人 |
THERMOPERS B.V., HELLEVOETSLUIS, NL |
发明人 |
DE SOET, ANTONIUS HENDRIKUS, NL-1722 HE ZUID-SCHARWOUDE, NL |
分类号 |
B09B3/00;B29B17/00;B29C33/62;B29C35/02;B29C35/04;B29C35/16;B29C43/02;B29K105/26;(IPC1-7):B29B17/00 |
主分类号 |
B09B3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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