Method and system for reclaiming aggregate from concrete waste m

Details Method and system for reclaiming aggregate from concrete waste m Method and system for reclaiming aggregate from concrete waste m

1996-01-11

1997-12-23

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With classifying or separating of material

241 29, 241DIG38, B02C 1900

Patent

active

056999690

ABSTRACT:
A method and system for reclaiming aggregate from concrete waste material includes crushing step and means of compression-crushing lumps of concrete waste material into a crushed mixture, and sorting the crushed mixture by size thereof, grinding step and means of rotating the crushed mixture sorted to grind it with a grinding member which rotates in an opposite direction to the rotating direction of the crushed mixture sorted, thereby peeling mortar from gravel, crushed stones and sand of the crushed mixture to obtain a mixture of gravel, crushed stones, sand, cement and mortar, and product separating step and means of separating the mixture of gravel, crushed stones, sand, cement and mortar into gravel and crushed stones, sand, cement and mortar.

REFERENCES:
patent: 1997031 (1935-04-01), Allswede
W. Beenken, "Die Aufbereitungstechnik zum Recycling" Aufbereitungs Technik, vol. 33, No. 12, Dec. 1992 Wiesbaden De, pp. 665-668, 670-672.
Stichting C.R.O.W., Werkgroep A1 "Resten zijn geen afval (meer)--Puingranulaten" Publikatie 12, ISBN 90-6628-072-7, pp. 1-24, Oct. 1988.
Patent Abstract of Germany 96300192.0.

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