对于饮食业的厨房来说，排烟是否通畅直接关系到厨房能否正常工作，油烟净化则只是厨房排烟系统中的一个净化空气的强制性功能。排烟系统和净化器的合理匹配是保证油烟净化器净化效率的关键，同时也是油烟净化器设计人员容易忽略的问题。
For the kitchen of catering industry, whether the smoke exhaust is unobstructed is directly related to whether the kitchen can work normally, and the oil fume purification is only a mandatory function of purifying the air in the kitchen smoke exhaust system. The reasonable matching between the exhaust system and the purifier is the key to ensure the purification efficiency of the oil fume purifier, and it is also a problem easily ignored by the designers of the oil fume purifier.