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对中央空调系统的节能潜力、冷负荷降低措施以及能效提升技术进行了分析。鉴于空调设计存在裕量、冷热负荷经常变化以及运行管理维护不善等原因,中央空调系统存在一定的节能潜力。中央空调系统有2个节能途径:一是减少制冷空调不必要的冷负荷;二是提高中央空调系统的能源利用效率。从维护结构冷负荷等3方面列出了减少不必要负荷的措施;同时分析了空调排风冷量回收等6种能效提升技术。
The energy saving potential of central air conditioning system, cooling load reduction measures and energy efficiency technology were analyzed. In view of the existence of air-conditioning design margin, frequent changes in heat load and operation management, poor maintenance and other reasons, the central air conditioning system has some potential for energy saving. Central air-conditioning system has two energy-saving ways: First, to reduce unnecessary cooling and air conditioning cooling load; second is to improve the central air conditioning system, energy efficiency. The measures to reduce unnecessary load are listed from 3 aspects such as maintaining the cooling load of the structure. Meanwhile, six kinds of energy efficiency upgrading technologies such as the air-conditioning exhaust air cooling recovery are analyzed.