Study on the fiber fouling in drying exhaust heat utilization of wood industry Yadi Pan, Shuya Shan, Yao Wei, Feng Ji, Jinping Weng, Yulan Tian and Jin Qian E3S Web Conf., 38 (2018) 01003 Published online: 04 June 2018 DOI: 10.1051/e3sconf/20183801003