Oil refineries are large-scale, continuously operated, complex industrial facilities that deal with flammable, explosive, toxic and hazardous substances. Their needs for air filtration are multifaceted, and the core revolves around equipment protection, environmental protection, process assurance, and personnel safety. 1. Application principle (Why Use Air Filtration?) The main principle and purpose of the application of air filtration systems in refineries: Protect Critical Rotating Machinery: Core requirements: refineries have a large number of expensive and continuous operations...