Agitating – Mortar mixer type – With heating or drying
Patent
1990-12-04
1993-01-12
Hornsby, Harvey C.
Agitating
Mortar mixer type
With heating or drying
366134, 34136, 34137, 432106, B28C 508, B28C 546
Patent
active
051784564
ABSTRACT:
The device comprises a drum drier with parallel streams (1) fed with recycled materials and a drum drier and countercurrent mixer (2) fed with virgin aggregates at its entry end (2a). The exit end (1b) of the drum with parallel streams (1) through which the dried and preheated recycled materials leave is connected to a ring (26) for introducing materials through the side wall of the countercurrent drum (2) through a chute for transferring the recycled materials. The ring (26) for introducing the recycled materials opens into a recycling and mixing zone (23) situated in the countercurrent drum (2) around the body of the burner (10), between the flame zone (22) and the mixing zone (24). The dried and heated recycled materials (8) are transferred continuously into the recycling zone (23) of the countercurrent drum (2).
REFERENCES:
patent: 3809373 (1974-05-01), Brock
patent: 4142803 (1979-03-01), Mendenhall
patent: 4481039 (1984-11-01), Mendenhall
patent: 4540287 (1985-09-01), Servas et al.
patent: 4555182 (1985-11-01), Mendenhall
patent: 4626198 (1986-12-01), Cohen
patent: 4705404 (1987-11-01), Bruggemann
patent: 4715720 (1987-12-01), Brock
patent: 4910540 (1990-03-01), Murray
Alexander R.
Ermont C. M.
Hornsby Harvey C.
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