Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1994-06-17
1996-04-09
Eley, Timothy V.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 52, 241 61, 241 69, 241 78, 241 80, 241 99, 2411522, 2411891, B02C 1306, B02C 13284, B02C 2312, B02C 2322
Patent
active
055053904
ABSTRACT:
A two stage hammer mill which reduces recycled glass and its associated contaminants to small glass particles in the 100-800 grit size range and waste. The glass grinder is of light weight, modular construction, such that it may be taken apart, relocated, and restored to operation quickly and easily. A modular design also allows it to be easily cleaned and reconfigured to produce aggregate of selectable size. Located on separate rotors, installed in separate grinding chambers, the two hammer mills are spaced apart from one another and mounted within a common housing. The first stage provides a relatively coarse reduction of the material flow, which then passes into the secondary grinding chamber where the material is further ground. The design of the hammers in this hammer mill are such that they entrain a large quantity of air, accelerate it to high velocity, and drive the mixture of air and material through the system, entraining small, medium and large sized particles. Vacuum pressure is utilized to enhance particle flow through the system and to provide for more precise separation of the finished product as well as separating contaminants from the ground glass. A shaker screen is also employed to facilitate the separation process. Paper shredders are utilized to enhance paper removal.
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Dykas Frank J.
Eley Timothy V.
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