Analysis and summary of construction problems in heating and ventilation system in underground sewage treatment plants

Taking an EPC (engineering, procurement and construction) project of an underground sewage treatment plant in Jiangsu Province as an example, this paper delves into the problems encountered during the construction of the heating and ventilation system in underground sewage treatment plants, and summarizes experience in aspects such as duct material selection, duct modifications, export of equipment and material lists, and prevention of fan flexible joint damage and noise occurrence,providing a reference for enhancing the design, construction, and management level of heating and ventilation systems in underground sewage treatment plants.