The long-term operating temperature of  Yuanchen Technology's  polyester industrial dust collector filter bags in dry gas should be less than 120℃, but in high-moisture flue gas, its long-term operating temperature can only drop to 60-100℃. Therefore, the selection of industrial air dust filter sleeves in cement plants should consider several factors: gas temperature, humidity and chemistry, particle size, dust concentration, filtration wind speed, dust removal method, etc. According to different factors and different links, the dust bag of different materials can be selected to effectively improve the dust removal effect of the dust collector.