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    Dec 13, 2011· There are also other types like conical rollers with shallow bowl; deep bowl, etc. where load is applied on the rollers and the bowl rotates while pulverizing. These types of mill are designed normally up to 60 tons per hour for a specific coal; however there are vertical mills with 90 …

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    Jun 25, 1996· In the drawings there is shown a vertical spindle coal pulverizer 10 which includes a rotating bowl 12 and an outer housing or enclosure 14. A roll wheel 16 crushes coal particles in the recessed bowl area 12A. The wheel 16 rotates on a shaft 17 which is pivotably mounted by means of bracket 18 on pivot pin or shaft 19.

  • Pulverized Coal Pipe Testing and Balancing - stormeng.com

    Pulverized Coal Pipe Testing and Balancing By Richard F. (Dick) Storm, PE The first step in optimizing combustion system performance is balancing the air and fuel flowing through each of the plant's coal pipes—the pipes that convey the air/fuel mix from the pulverizers to the …