锯材窑干前根据不同的树种、用途和质量要求分别进行不同的预处理，可达到缩短干燥周期、保证干燥质量或提高产品档次的效果。现分述如下：１ 预干处理硬阔叶树材的生材含水率一般都较高，通常在９０％以上。若生材锯材直接进窑干燥，不但干燥周期长，能耗大，而且干燥质量难以 According to different tree species, purposes and quality requirements, the pre-drying of sawn timber kiln can be carried out to shorten the drying cycle, ensure the quality of drying or improve the grade of products. Are described as follows: 1 pre-dry hardwood trees raw material moisture content are generally higher, usually above 90%. If raw timber directly into the kiln drying, not only long drying cycle, energy consumption, and the quality of the dry hard