6种桉木单板干燥质量的比较

doi:10.11707/j.1001-7488.20141114

Abstract

Abstract:

Experiments were conducted to compare drying quality of six species of eucalyptus veneer. Industrial veneer roller dryer was adopted and the tree species were Eucalyptus urophylla×E. grandis, E. saligna, E. grandis, E. cloeziana, E. dunnii and E. pellita. The results showed that the tree species influenced veneer drying quality significantly. Based on the final moisture content(MC)and the evenness of MC,drying quality was better for E. pellita, E. urophylla×E. grandis and E. cloeziana, but the final MC of E. dunnii did not meet the MC requirements for the low drying rate. There was no significant difference in checks amount and checks length of veneer of these wood species after drying; based on the distortion of veneer, drying quality was better for E. saligna, E. pellita and E. dunnii; as the increased amount of holes by knot dropping in veneer drying process, drying quality was better for E. urophylla×E. grandis, E. dunnii and E. saligna. In summary, the drying quality of E. pellita, E. urophylla×E. grandis, E. cloeziana and E. saligna veneer could satisfy the requirements of plywood manufacturing, but E. dunnii and E. grandis veneer drying need to be studied further.

Key words: veneer drying, drying quality, eucalyptus

CLC Number:

S781.71

Zhou Yongdong, Sun Feng, Lü Jianxiong, Li Xiaoling. Veneer Drying Quality Comparison of Six Eucalyptus Species[J]. Scientia Silvae Sinicae, 2014, 50(11): 104-108.

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Veneer Drying Quality Comparison of Six Eucalyptus Species

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