FIELD: woodworking industry. SUBSTANCE: direction of heat carrier flow in process of lumber drying is changed for opposite direction at least 3-5 times in process of drying. Ratio of heat carrier delivery time in forward and reverse directions is 0.5-1.5. EFFECT: improved quality of drying. 3 dwg , 1 tbl
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Authors
Dates
1997-12-20—Published
1992-06-22—Filed