초록 ▼

The waste material processing system of the present invention includes a (1) waste material supply; (2) shredder; (3) moisture reducing device; (4) crusher having a rotatable screw auger positioned within a cavity of the crusher for crushing and conveying waste material and a pressurizing device suc

The waste material processing system of the present invention includes a (1) waste material supply; (2) shredder; (3) moisture reducing device; (4) crusher having a rotatable screw auger positioned within a cavity of the crusher for crushing and conveying waste material and a pressurizing device such as a conduit attached to the discharge end of the cavity for exerting a backpressure upon a portion of the waste material positioned about the second end of the auger such that a portion of the scrap glass fibers in the waste material is crushed; (5) dryer; and (6) separating device for separating waste material having a mean average length of less than about 5 millimeters from oversized dried waste material. Also provided by the present invention is a process for recycling waste material using the system.

대표청구항 ▼

[ Therefore, we claim:] [30.] A process for recycling waste material produced by a glass fiberizing process, the waste material comprising scrap glass fibers, the process comprising the steps of:(a) shredding glass fiber waste material;(b) drying the glass fiber waste material to form moisture-reduc

[ Therefore, we claim:] [30.] A process for recycling waste material produced by a glass fiberizing process, the waste material comprising scrap glass fibers, the process comprising the steps of:(a) shredding glass fiber waste material;(b) drying the glass fiber waste material to form moisture-reduced waste material;(c) crushing the moisture-reduced waste material in a crusher comprising:(1) a body comprising a cavity having a first end positioned to receive the moisture-reduced waste material from the moisture reducing device, a second end distal to the first end, and a length therebetween;(2) a rotatable screw auger positioned within the cavity of the body for crushing and conveying the moisture-reduced waste material from the first end of the cavity in a first direction toward the second end of the cavity, the auger having a first end proximate the first end of the cavity, a second end proximate the second end of the cavity, and a length therebetween; and(3) a pressurizing device exerting a pressure ranging from about 1.38.times.10.sup.4 to about 5.51.times.10.sup.6 pascals upon at least a portion of the moisture-reduced waste material positioned about the second end of the auger in a direction generally opposite to the first direction in which the auger conveys the moisture-reduced waste material such that the portion of the scrap glass fibers in the moisture-reduced waste material are crushed to form crushed glass fibers;(d) drying the moisture-reduced waste material received from the crusher;(e) separating a first portion of dried waste material having a mean average length of less than about 5 millimeters from oversized dried waste material; and(f) feeding the first portion of the dried waste material to a glass melter .