Furnace Feed Problems Solved at Knauf Fiber Glass Knauf Fiber Glass - Shelbyville, Indiana The Need Knauf Fiber Glass blends glass batch in an aerating blender and then pneumatically conveys it to a bin above each of several furnaces. When the original furnace feed bins were kept full, few handling problems were experienced. However, when a bin emptied due to upstream mechanical problems with the batching system, stable ratholes formed above each of the three chute legs, resulting in occasional loss of feed to the furnace. The Solution Jenike & Johanson visited the plant to observe the operation of the bins, run laboratory tests on the glass batch to determine its flow properties, and make functional design recommendations for modifications to alleviate the problems. Jenike & Johanson a

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