Apparatus for producing bituminous coated products from aggregat

Details Apparatus for producing bituminous coated products from aggregat Apparatus for producing bituminous coated products from aggregat

1980-12-17

1982-03-09

Silverberg, Sam

Agitating

Mortar mixer type

With heating or drying

366228, B28C 520

Patent

active

043186203

ABSTRACT:
The apparatus is constituted by a rotatable drum (1). The solid materials and the hot gases coming from a burner (6) flow in the same direction. The drum has an introduction zone (16), a transfer zone (17), an intermediate zone (18) and a zone (19) for hot mixing of aggregates and bituminous materials. The intermediate zone (18) has a first part in which lifting paddles (28) disposed on the inner wall of the drum (1) allow a continuous curtain of materials to be formed over the whole section of the drum (1) and a second part into which the solid materials degradable at high temperature are introduced. In this second part, the drum (1) has a second inner casing (31) coaxial with its outer casing (1), equipped inside with lifting paddles (32).
The invention is particularly applicable to producing coated products for road use, from recycled materials.

REFERENCES:
patent: 2815940 (1957-12-01), Madsen
patent: 4147436 (1979-03-01), Garbelman
patent: 4174181 (1979-11-01), Garbelman

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