The central air conditioning in the mall is used to regulate the temperature, humidity, and refresh the air throughout the year, enhancing the comfort of the shopping environment. Factors such as crowded spaces, poor ventilation, and inadequate air filtration in the HVAC system are all contributors to poor air quality in the mall.

Central Air Conditioning Cleaning in Shopping Malls: What Aspects to Consider

Central air conditioning cleaning in large shopping malls typically includes cleaning of chilled water, cooling system descaling, water treatment, cleaning of the internal cavity of lithium bromide units, replacement of new solution, regeneration of old solution, and cleaning of the central air conditioning fan coil. Adding bactericides to the recirculating water can remove various bacteria and algae. Adding stripping agents can remove biological sludge in the pipes and clean away the slime through recirculation. Chemical cleaning agents and dispersants are added to clean the floating rust, scale, and oil in the piping system, reducing the dispersal and discharge to a clean metallic surface. Pre-formed film agents are added to form a dense polymer protective film on the metallic surface, serving as corrosion prevention. Corrosion inhibitors are added to prevent metal rusting, while antiscalants are added to prevent the precipitation of calcium and magnesium ions. Regular water quality monitoring is conducted.Cleaning Method

(1) Sterilization: By adding disinfectant to the recirculating system to eliminate various bacteria and algae from the circulating water.

(2) Slime Removal: Add a stripping agent to remove biological slime from the pipeline, and then circulate to clean the slime.

(3) Chemical Cleaning: Add chemical cleaning agents and dispersants to clean rust, scale, and oil污 from the pipeline system, disperse and discharge, restoring to a clean metallic surface.

(4) Surface Pre-film: Introduce pre-film agent to form a dense polymer protective film on the metal surface to prevent corrosion.

(5) Routine Maintenance: Add corrosion inhibitors to prevent metal rust; through comprehensive action, add scale inhibitors to prevent the crystallization and precipitation of calcium and magnesium ions. Conduct regular sampling tests to monitor water quality.