The primary energy consumption and the energy cost of the heat pump dryer are compared with those of electrical heating dryer and steam-heating dryer and their economic evaluations are carried out.
本文还对热泵干燥、电加热干燥、蒸汽加热干燥的一次能源消耗和能源费用进行了比较和经济评价。
Based on the climate and energy price in Shanghai, gas engine driven heat pump can save about 23% primary energy and 11.3% running cost.
根据上海地区的气候条件和能源价格，燃气机热泵比电动热泵能节约至少23%的一次能源和11.3%的运行费用。
The results also make it clear that heating coefficient and primary energy efficiency of whole heating system should be adopted to evaluate the energy utilization of each heat pump system.
还表明应以整个供热系统的供热系数和一次能源利用系数来衡量各热泵系统的能量利用性。
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