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在阐述封闭式冷却塔供冷技术原理及系统形式的基础上,探讨了封闭式冷却塔供冷与空气湿球温度的关系,分析了封闭式冷却塔供冷技术的节能效果。根据山东省某市全年8760h逐时实测气象数据,统计出了空气湿球温度在各区间出现的频率及累计频率,结果表明,一年中空气湿球温度小于等于10℃的时间达4208h。这对于全年运行的空调系统而言,节能潜力巨大。
Based on the principle of cooling technology and the system form of the closed cooling tower, the relationship between the cooling of the closed cooling tower and the temperature of the air wet bulb was discussed, and the energy saving effect of the cooling technology of the closed cooling tower was analyzed. According to the meteorological data of 8760h hourly in a city in Shandong Province, the frequency and accumulated frequency of air wet-bulb temperature in each interval were calculated. The results showed that the temperature of air-wet bulb in one year was 4208h less than or equal to 10 ℃. This has great potential for energy savings in air-conditioning systems that operate throughout the year.