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Difference between revisions of "Air Pillows"
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[[File:Air Pillows.jpg|thumb|200px|right|Air Pillows]] | |||
'''Air Pillows''' are flexible bladders mounted on the cone or inclined walls of the bin/silo. Upon pressurisation (typically 1 to 3 bars), the flexible bladders expand and force the material towards the center. They are helpful in breaking ratholes or “brittle arching”. These devices should not be used when the hopper outlet is closed or where the material is unable to flow, as local compaction will aggravate the flow difficulties, or with sharp or abrasive products that can puncture or wear through the flexible diaphragm. | |||