The Whalenburg Stack Dryer was essentially a vertical flash dryer that was built in Vancouver, BC, Canada in the 1960s to dry sand and gravel. It was in operation for some years before drying operations were moved off site and the system decommissioned and removed.
The system consisted of a heat source (natural gas burner) and a high pressure air source (fan). The material was sucked into the hot air stream by a venturi section and transferred vertically in a pipe to a larger upper chamber where the steam was removed from the product.The system was built by a Norwegian by the name of Leif Whalen for Target Products Ltd. It was capable of handling 3/8" minus material at 5 tons/hr. The only moving parts are the fan itself. Low operating cost and low maintenance plus very small footprint make this a unique drying system.
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