Glass recycling system

Solid material comminution or disintegration – Processes – With application of fluid or lubricant material

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241 2414, 241 2415, 241 2422, 241 29, 241 791, 241 80, 2411522, B02C 1912

Patent

active

057588325

ABSTRACT:
An apparatus and method for recycling glass waste comprising glass and non-glass materials. The apparatus has a device for receiving and presizing the glass waste to produce presized glass waste. A first conveyor receives the presized glass waste and transfers it to a storage hopper. The presized glass waste is then transported to an impact mill via a second conveyor. The rate of movement of the second conveyor is regulated by a control device located within the impact mill. In the impact mill, the glass component of the glass waste is beat off the non-glass component of the glass waste to produce a pulverized mixture. The pulverized mixture is then sent to a screening device via a third conveyor. In the screening device, the glass and non-glass material are separated from the pulverized mixture and collected for reuse. The method includes the steps of providing a supply of glass waste, presizing the glass waste to produce presized glass waste, pulverizing the presized glass waste to produce a pulverized mixture comprising glass and non-glass material, separating those pieces of glass which are within a predetermined size from the pulverized mixture and separating those pieces of the non-glass material which are completely free of the glass from the pulverized mixture.

REFERENCES:
patent: 3650396 (1972-03-01), Gillespie et al.
patent: 4728045 (1988-03-01), Tomaszek
patent: 4795103 (1989-01-01), Lech
patent: 5350121 (1994-09-01), Vitunac et al.
patent: 5452860 (1995-09-01), Williams
patent: 5484109 (1996-01-01), Cook
patent: 5524837 (1996-06-01), Raynes

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