| 摘要 |
This patent discloses a method and apparatus for treating material such as grain, manure, alfalfa, lightweight aggregate, etc. Hot air circulates throughout the entire system. Heat is first added where desired to the product in a preheater. Additional heat is then added in a heater section where the material is further heated and material such as grain may be popped if desired. The grain may then be passed through conventional rollers.
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