The chemical industry, as an important component of modern industry, involves the storage, transportation, and processing of a large amount of flammable, explosive, toxic, and harmful substances. In such an environment, any small spark or high temperature can cause serious safety accidents. Therefore, ensuring ventilation and air circulation during

Ceiling fans, as an important component of modern building ventilation systems, are widely used in commercial places, industrial plants, public buildings, and residential homes. Choosing the appropriate model and specifications for ceiling fans not only directly affects ventilation effectiveness, but also relates to energy consumption, operating co