吉林省汪清林业局最近利用松根进行低温干馏,并将干馏液试制成六级松香及松节油、浮选油等。这对扩大松根利用及解决松香货源不足有一定的意义,特介绍如下:一、主要设备:瓷罐(罐)、蒸馏锅(附冷却器及油水分离器)。二、备料:用人工将松根(明子)劈成长约6—10公分,宽、厚各约0.5—0.8公分的木片,过大 Recently, Wangqing Forestry Bureau of Jilin Province made use of pine root to carry out low-temperature carbonization, and tried to make six carbonated rosin, turpentine, flotation oil and other dry distillates. This is to expand the use of pine root and solve the problem of insufficient supply of rosin has a certain significance, introduced as follows: First, the main equipment: porcelain jar (tank), distillation pot (with cooler and water separator). Second, preparation: Artificial pine root (Akiko) split into about 6-10 cm, width, thickness of about 0.5-0.8 cm of wood, too large