FIELD: civil engineering; road building. SUBSTANCE: plant has bitumen feeder, foaming component mineral raw material feeder and mineral raw material mixer. Bitumen feeder is made in form of metal conveyor belt embracing the drums part of belt being arranged in bitumen containing reservoir. Mixer is made in form of travelling wave formed by section of conveyor belt and is arranged under mineral raw material feeder. Foaming component feeder is arranged between bitumen and mineral raw material feeders. Thin layer of hot bitumen foamed on surface of metal conveyor belt is delivered to travelling wave section whereto mineral raw material is delivered. Travelling wave contributes to effective mixing enclosing entire surface of mineral raw material particles by foamed bitumen. EFFECT: enlarged operating capabilities. 1 dwg
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Authors
Dates
1997-12-10—Published
1994-07-25—Filed