Post on 02-Sep-2020
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Kiln Design and Improved Moisture Content Uniformity
Thom SmithOld Town Lumber Company
• All Eastern White Pine
• Lumber from Different Sawmills
• Variation of Moisture Content %
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Existing Kilns
• Wet Spots• Over-drying
• Poor Air Flow• Lack of Sensors
Large Temperature Drop• Lack of Control
What do we want in a kiln?
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Air Movement in Kiln
• Air Speed
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Air Movement in Kiln
• Air Speed
• Baffling
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Air Movement in Kiln
• Air Speed
• Baffling
• Good Piling
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Heating Requirements
• Use New Technology
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Heating Requirements
• Use New Technology
• Multi-Zoning
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Heating Requirements
• Use New Technology
• Multi-Zoning
• Distribution of Heat
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Humidity Control
• Multiple Wet Bulbs
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Humidity Control
• Multiple Wet Bulbs
• Good Venting
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Humidity Control
• Multiple Wet Bulbs
• Good Venting
• Good Spray System
Putting it Together
• The Box
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Putting it Together
• The Box
• Control System
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Putting it Together
• The Box
• Control System
• Innovation
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The End