Developing a model of small- scale, integrated processing line for forest plantation wood

Tran Tuan Nghia

Centre for Forest Industry Technology Transfer



I. Introduction


From late 80’s and early 90’s, the Forest Science Institute of Vietnam has carried out a number of research subjects aimed at developing technologies for small- scale integrated processing of forest plantation wood such as procedure for sawing small timber and forest plantation wood; production of block- board from large -size eucalypt wood with veneer as surface layer (by gluing); production of some furniture items with eucalypt wood; radial lengthwise sawing of eucalypt log; designing small- scale, improved kiln for drying forest plantation timber; perfecting and applying technologies for small timber exploitation, processing and preservation. Some achievements have been applied in production such as: equipment and technology for kiln- drying of forest plantation wood, mobile wood-chip production machine. Specially, machines for mobile production of wood chips have been manufactured and transferred to many units producing wood chips for industrial use, bringing in very high economic efficiency at the raw material area of Bai Bang Paper Mill. However, through study at the units producing wood chips for industrial use, we find out that the MB 900 machine for mobile wood chip production manufactured and transferred by the Centre for Forest Industry Technology Transfer can only produce wood chips from logs of diameter < 14cm. The logs of diameter >= 14cm must be splitted before made into wood-chips by machine. This requires much energy and at the same time results in waste of wood. The sorting out forest plantation logs of large size to be sawn (slabs are used for wood-chips production), the timber is kiln- dried and used for furniture manufacture will raise the efficiency in usage of forest plantation wood and at the same time contribute to lessening the pressure of the demand for timber exploited from natural forest. Thus, a branche-level research subject “Developing a model of small- scale, integrated processing line for forest plantation wood” has been implemented (1998- 2000) aimed at further research on determination on technology for small-scale processing of forest plantation wood.

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