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    • 9. 发明申请
    • WOOD DRYING METHOD
    • 木材干燥方法
    • WO2004099692A1
    • 2004-11-18
    • PCT/RU2003/000399
    • 2003-09-01
    • F26B1/00
    • F26B5/04F26B2210/16
    • The invention relate to wood processing engineering, in particular to sawn timber drying process, including thick-walled and round logs, with the aid of vacuum-impulse action performed on timber arranged in sealed drying chambers. The inventive method for drying thick-walled timber and logs consists in supplying steam to said drying chambers (1, 2), equalising humidity along the cross section of said sawn timber (28) inside and outside thereof and in heating the timber. Said operations are carried out with the aid of air ducts (23, 24) circled by sections, fans (20), distributors (24), air heaters (21) and guiding elements (25, 26,27) which uniformly distribute a flow through the height and length of stacked sawn timber (28). The distribution of steam and a wood syrup saturated steam-air mixture is carried out in two operations i.e. at first, in diffusers arranged between the fans (20) and the air heaters (21) and, afterwards with the aid of the guiding elements (25, 26,27) on at least two levels. The inventive method for drying thick-walled timber, i.e. beams, logs etc makes it possible to avoid the occurrence of stresses, cracks or warping of wood.
    • 本发明涉及木材加工工程,特别是在木材干燥过程中,包括厚壁和圆形原木,借助于在密封的干燥室中布置的木材进行真空冲击作用。 用于干燥厚壁木材和原木的本发明方法包括向所述干燥室(1,2)供应蒸汽,使其沿着内部和外部的所述锯材(28)的横截面均匀湿度并加热木材。 所述操作借助于由分段,风扇(20),分配器(24),空气加热器(21)和引导元件(25,26,27)环绕的空气管道(23,24)进行, 通过堆叠锯木材的高度和长度(28)。 蒸汽和木浆饱和蒸汽 - 空气混合物的分布在两个操作中进行,即首先,布置在风扇(20)和空气加热器(21)之间的扩散器中,然后借助于引导元件 25,26,27)至少两级。 用于干燥厚壁木材,即梁,原木等的本发明的方法使得可以避免木材的应力,裂纹或翘曲的发生。