System and method for drying particulate materials using heated gas

  • US 7,007,402 B1
  • Filed: 10/19/2004
  • Issued: 03/07/2006
  • Est. Priority Date: 10/19/2004
  • Status: Expired due to Fees
First Claim
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1. A system for drying particulate material, comprising:

  • a chamber for the material to be dried;

    a first flow path by which heated gas is inserted into the chamber at a first level;

    a second flow path by which heated gas is inserted into the chamber at a second level;

    a third flow path by which gas is extracted from the chamber;

    a dryer; and

    a splitter that directs part of the gas in the third flow path to the first flow path after passing through the dryer and that directs another part of the gas in the third flow path to the second flow path without passing through the dryer.

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