Composite oil bath air filtration system

The invention relates to a composite oil bath air filtration system. The composite oil bath air filtration system comprises a pre-washer, an oil bath type air filter, a high temperature resistant cleaning liquid, a flue gas duct and a liquid guiding duct. The pre-washer is connected to the oil bath type air filter through the flue gas duct and the liquid guiding duct. The high temperature resistant cleaning liquid is located in the pre-washer and the oil bath type air filter. 本发明涉及种复合式油浴空气过滤系统，包括预洗器，油浴式空气过滤器，耐高温清洗液，烟气管道及导液管道，所述预洗器与所述油浴式空气过滤器通过烟气管道和导液管道连接，所述耐高温清洗液位于所述预洗器，油浴式空气过滤器内部。