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US 2004/0168339 A1Published application
Kiln with process water evaporation system
AssigneeWaco Construction Co., Inc.
InventorsC. Wayne Roberts, Harold Wayne Hankins, Karl H. Grubb, Joel S. Bridges, David E. Miles, Michael L. Miles
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Abstract
A process and apparatus for drying a stack of lumber, wherein the dry comprises a condensation collection device for collecting liquid in the chamber interior space; and an evaporation system for evaporating collected liquid from the chamber interior space. Process water or effluent discharge from the drying process is reduced or eliminated.
Claims25
A dry kiln system for drying a stack of lumber, comprising:
- at least one kiln chamber defining a chamber interior space capable of receiving a stack of lumber for drying;
- a chamber heating source capable of providing heated air;
- an air moving device capable of circulating heated air supplied to the chamber interior space;
- a condensation collection device for collecting liquid in the chamber interior space;
- and
- an evaporation system for evaporating collected liquid from the chamber interior space.
3 more elements
A process for drying lumber, comprising:
- providing a kiln system that comprises
- a chamber interior space for receiving a quantity of stacked lumber;
- a chamber heating source for heating the air within the structure for drying the lumber;
- and
- a condensation collection device for collecting liquid in the chamber interior space;
- placing a quantity of stacked wet lumber within the chamber interior surface;
- circulating heated air within the chamber interior surface and about the stacked lumber to dry the lumber and cause liquid in the wet lumber to escape as vapor;
- collecting liquid from condensed vapor in the chamber interior surface;
- and
- evaporating said liquid to prevent effluent liquid in the process for drying lumber.
7 more elements
Dependencies are inferred from the claim text.