PROCESS AND SYSTEM FOR PRODUCTION OF A WARM FOAM MIX ASPHALT COMPOSITION

The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is introduced to the mixed grained aggrega...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROBERTUS CARL, LARSEN OLLE R
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE FIXED CONSTRUCTIONS GENERAL PROCESSES OF COMPOUNDING MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is introduced to the mixed grained aggregate material. A system for preparing the warm mix asphalt composition comprising a drying drum for heating and drying the aggregate component, a mixing mill for mixing the asphalt components and a mix storage silo, where the system also includes foam production facilities for foaming the hard binder before introduction to the mixing mill, is also disclosed.