Solid material comminution or disintegration – Apparatus – With temperature modification of material
Patent
1995-07-03
1996-05-07
Husar, John
Solid material comminution or disintegration
Apparatus
With temperature modification of material
241 67, 241175, 241184, 241DIG37, B02C 1714, B02C 1720
Patent
active
055138098
ABSTRACT:
A cryogenic vibratory mill designed to receive cooling fluid such as liquid nitrogen within a grinding chamber for grinding of feed material such as crumb rubber from vehicle tires for cryogenic comminution within a grinding chamber. Cooling within the grinding chamber is achieved by passing cooling fluid such as liquid nitrogen therethrough wherein most of the cooling fluid passes through longitudinal channels formed longitudinally in the cylindrically shaped grinding rods. The operating temperature is normally less than -120 degrees Fahrenheit. A vibrating drive is operative to vibrate the housing and the grinding rods therein to achieve comminution of the feed stock rubber passing therethrough. With this design most of the cooling is achieved by passing of the cooling fluid through the channels defined in the grinding rods with only a minimum amount of cooling achieved by cooling fluid passing through the grinding chamber between the rods.
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Husar John
TDF, Inc.
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