Hanna Nickle Smelting Company
Smelting Wood Incineration
Riddle, Oregon
Hanna Nickle Smelting Company selected Roberts & Schaefer
to provided engineering, procurement and construction of a waste
wood incineration system to provide heat for the smelting of ore.
R&S had complete responsibility for all civil, structural,
mechanical, electrical, and instrumentation engineering.
The system itself was composed of a 120' rotary dryer with combustion
chambers, wet venturi, and dry dust collection for 150,000 cfm.
The electrical engineering included the design of modifications
to their existing substation, power distribution, and control
center, including complete combustion chamber and materials control,
instrumentation and alarm systems. Construction required coordination
with existing operations to avoid plant shutdown.
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