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提出一种基于室外气象参数的排风热回收性能分析方法。在计算热回收装置的节能量时考虑了装置本身的运行能耗,计算得到不同热回收方式下该地区可使用热回收装置的最低比焓或温度。以上海地区某图书馆为例,逐时计算了热回收装置的回收量和电耗,经比较获得了全年不同条件下相对节能的热回收方式和工作模式,为系统的优化设计提供计算参考。
A method based on outdoor meteorological parameters of exhaust heat recovery performance analysis is proposed. The energy consumption of the heat recovery unit is taken into account to calculate the operating energy consumption of the unit itself and the lowest specific enthalpy or temperature of the heat recovery unit that can be used under the different heat recovery modes is calculated. Taking a library in Shanghai as an example, the recovery amount and power consumption of the heat recovery unit are calculated on a hourly basis. By comparison, the relative energy saving heat recovery mode and working mode under different conditions for the whole year are calculated, providing reference for the system optimal design .