Since the evaporative condenser, the air cooler, the air cooler and the like all use the water evaporation to take away the heat reduction mode of the indoor heat, it is easy to collect various scales on the pipelines of the evaporative condenser and the air cooler, and these scales will greatly Reduce the cooling and heat transfer performance of evaporative condensers, air coolers, air coolers and other cooling equipment. Therefore, it is necessary to take certain precautions to slow down the fouling of evaporative condensers and air coolers. Shandong Jinan Shenhua Refrigeration Equipment Co., Ltd. summarized the following anti-fouling methods for evaporative condensers.
Method 1: Pre-film anti-scaling treatment is carried out during the production of the evaporative condenser. When the evaporative condenser is made, the pre-film anti-scaling can form a protective film on the surface of the evaporative condenser and the air-cooling fan, which effectively prevents the dirt crystal from adhering on the surface of the copper tube and reduces the scale of the evaporative condenser. Extend the structural cycle of the evaporative condenser and chiller.
Method 2: Pre-cooler is installed in the evaporative condenser and the air cooler to make the evaporating condenser surface evaporate below 40 °C. At the same time, the large water volume and dense water distributor are used to ensure the surface of the condenser tube. Covered with water film, no dry spots. The provision of a pre-cooler and the prevention of the occurrence of dry spots have a preventive effect on the scaling problem of the evaporative condenser and the air cooler.
Method 3: Using a small amount of continuous drainage device, the concentration of calcium ions in the cooling circulating water of the evaporative condenser and the air cooler is controlled within a certain range, thereby effectively preventing the precipitation of scale. Reducing the calcium ion content of the evaporative condenser, the air cooler and the closed cooling tower cooling circulating water is a bottom-up strategy for controlling the scaling problem, and can solve the problem of anti-scaling and scaling of the evaporative condenser from the source.
Method 1: Pre-film anti-scaling treatment is carried out during the production of the evaporative condenser. When the evaporative condenser is made, the pre-film anti-scaling can form a protective film on the surface of the evaporative condenser and the air-cooling fan, which effectively prevents the dirt crystal from adhering on the surface of the copper tube and reduces the scale of the evaporative condenser. Extend the structural cycle of the evaporative condenser and chiller.
Method 2: Pre-cooler is installed in the evaporative condenser and the air cooler to make the evaporating condenser surface evaporate below 40 °C. At the same time, the large water volume and dense water distributor are used to ensure the surface of the condenser tube. Covered with water film, no dry spots. The provision of a pre-cooler and the prevention of the occurrence of dry spots have a preventive effect on the scaling problem of the evaporative condenser and the air cooler.
Method 3: Using a small amount of continuous drainage device, the concentration of calcium ions in the cooling circulating water of the evaporative condenser and the air cooler is controlled within a certain range, thereby effectively preventing the precipitation of scale. Reducing the calcium ion content of the evaporative condenser, the air cooler and the closed cooling tower cooling circulating water is a bottom-up strategy for controlling the scaling problem, and can solve the problem of anti-scaling and scaling of the evaporative condenser from the source.
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