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采用焓差法建立了自然通风冷却塔出口水温的热力计算模型,并把凝汽器和冷却塔作为一个整体综合研究和分析了冷却塔出口水温的各种影响因素及其影响规律.结果表明:冷却水量、填料断面风速、凝汽器蒸汽负荷以及环境空气的相对湿度均对冷却塔的进口和出口水温有明显影响,且上述因素对进口水温的影响大于对出口水温的影响.
The enthalpy difference method was used to establish the thermal calculation model of the outlet water temperature of the natural draft cooling tower and the condenser and the cooling tower as a whole were comprehensively studied and analyzed various influencing factors and their influence laws of the outlet water temperature of the cooling tower.The results showed that: Cooling water volume, section gas velocity, condenser steam load and the relative humidity of the ambient air have a significant impact on the cooling tower inlet and outlet water temperature, and the impact of these factors on the inlet water temperature is greater than the impact on the outlet water temperature.