Process for low temperature comminution of scrap tires

Details Process for low temperature comminution of scrap tires Process for low temperature comminution of scrap tires

1988-10-13

1989-09-05

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

By utilizing kinetic energy of projected or suspended material

241 23, 241 24, 241 29, 241 40, 241 65, 241 48, 241152A, 241DIG31, 241DIG37, B02C 1912

Patent

active

048631060

ABSTRACT:
A process and apparatus for the low temperature comminution of tires includes the separation of the tires into tire portions including tread portions, sidewall portions and bead portions. The tire portions are cooled and crushed to form rubber granules and scrap material. The rubber granules are sorted from the scrap material in a process that includes the step of suspending the granules in a moving stream of low temperature gas. The stream of gas and rubber granules is impacted on a solid surface to grind the granules. The low temperature gas is preferably recycled and cooled by heat exchange with another circulating low temperature gas such as nitrogen.

REFERENCES:
patent: 3658259 (1972-04-01), Ledergerber
patent: 3992899 (1976-11-01), Spahn
patent: 3995816 (1976-12-01), Motek
patent: 4056231 (1977-11-01), Townsend
patent: 4113186 (1978-09-01), Smith

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