Project story · Oat processing · Manitoba
Process steam from its own oat hulls
An oat processing plant in Manitoba makes its high-pressure process steam by burning the hulls from its own mill. It replaced natural gas.
- Location
- Manitoba
- Operation
- Oat processing plant
- System
- 300 to 500 BHP, high-pressure process steam
- Fuel
- Oat hulls from the plant's own mill
- Replaced
- Natural gas
- Installed
- 2019 to 2022
The job
Milling oats leaves a steady stream of hulls, and the plant needs steam all day for processing.
Burning the hulls for steam turns a waste stream into fuel and takes natural gas off the steam load.
Hull storage and feed
Hulls go from the mill into two storage bins. We built the screw feed system under the bins that meters the hulls out, and augers carry them to the stoker.
What we built
- Chain grate stoker, firebox and controls, built in our shop in Headingley, Manitoba.
- A certified boiler vessel sized for high-pressure process steam.
- Screw feed under the hull bins, and augers to the stoker.
- A multi-cyclone dust collector on the exhaust.
- Installation by our crew.
The result
The plant burns its own hulls for steam instead of buying natural gas for it.
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