Retrofitting of a central air conditioning system and energy saving

Performs the retrofitting based on the problems existed, including replacing the damaged circular cooling tower with a square one, changing the water spraying from whirling mode to fixed mode, cleaning the cooling water system and condenser of the refrigerating equipment and altering the damaged chilled water pumps. After the retrofitting, the electric power consumption of the refrigerating equipment is reduced from 220 kW to 180 kW with the relative saving rate 18.2%.