Thermoplastics waste recovery by pressureless melting - using heated receptacle with rollers, strippers, and working up screw

Preparing thermoplastics scrap for re-use, comprises melting and sepg. the components exclusively by supply of heat, without applying pressure. Heaters are installed in a stationary or rotary melt container whose bottom has a heated outlet in which exchangeable, heated, sieves are fitted. The contai...

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Bibliographische Detailangaben
Hauptverfasser:	DIETRICH,JUERGEN,ER.NAT, ERLER,EBERHARD, NOSKE,WERNER, DIETRICH,HORST
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Preparing thermoplastics scrap for re-use, comprises melting and sepg. the components exclusively by supply of heat, without applying pressure. Heaters are installed in a stationary or rotary melt container whose bottom has a heated outlet in which exchangeable, heated, sieves are fitted. The container has (opt. counter-rotating) rollers mounted inside it which are provided with doctor sheets. The container has a jacket with outlets, and a (compounding) screw is mounted downstream of it.