Energy Conservation in Timber-Drying Kilns By Vapor Recompression

The application of the vapor-recompression process to kiln-drying as a means of reducing the energy consumed in drying timber is described. The energy requirements for drying 25.4 Mfbm of 2-inch southern yellow pine is calculated for both a conventional process and a vapor-recompression process and the consumptions compared. A saving of 60×106 Btu in energy consumption, or 65 percent of the energy used in conventional drying, can result from using the vapor-recompression process.

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