The maintenance procedure of the cooling tower is divided into three stages, namely, the cleaning and maintenance after the shutdown, the inspection and debugging before starting up, and the inspection in the official operation.
(一) cleaning and maintenance after the cooling tower stop
1、Water distribution system
①Check the main water pipe, water branch and sprinkler head of the cooling tower, and repair and fix it in time. Thoroughly remove the internal dirt of the water pipe and nozzles to ensure the water pipe is smooth and the nozzle water is even.
②Rinse water dish and water filter cover of the cooling tower thoroughly to avoid the blockage of dirt. Clean the drain valve and drain water in the water dish to avoid freezing.
③Check the water tray and the foot, if there is a leak, timely fill the glue.
2、The cooling system
①Clean the cooling tower for all heat transfer material (packing), thoroughly remove the scale of the surface of hot material and the hole between the holes to ensure the clean of heat exchanger. Repair and replace of heat transfer material. When loading, cloth is tight, leaving no gap.
②Wash water curtain, silt carpet, remove dirt. Repair and replace the broken parts. The water screen should be kept tightly to prevent floating water. Fill the cooling tower with water and check for water leakage (especially in the tower joint), and replace the seal if it is omitted.
In part