Tuesday, July 17, 2012

Hamer Fuel Pellet Visit


The first stop on Monday for the Forest and Rail was Hamer Fuel Pellet in Elkins. WV. Jim Dearing provided the group with a tour of the facility that manufactures fuel pellets for heating. Hamer uses sawdust, a waste product from milling lumber, to fully utilize the complete resource of the tree.

 The process starts with truck delivery of sawdust from a mill. The dust is sorted according tree species before being loaded into the dryer. The 110,000 pound drum is heated by a 55 million BTU furnace that maintains a drying temperature of 1800 degrees Fahrenheit. Each load of 30 tons dries to a weight of 15 tons before entering the extrusion process.

The dry sawdust has vegetable oil infused before entering the extrusion machine. The machine uses a system of rollers and a die to press the dust into cylinder shapes before being cut to roughly 1/2 inch lengths that are 1/4 inch diameter. The pellets are used in a pellet stove to provide efficient heating with minimal waste and ash.

Questions to think about:
  • Research trobology. How does pellet fuel meet the concept?
  • What are some benefits of using pellet fuel? 
  • Why would wood product manufacturers benefit from pellet fuel?

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