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    • 99. 发明专利
    • Air conditioning system and method for operating the same
    • 空调系统及其运行方法
    • JP2012145261A
    • 2012-08-02
    • JP2011003357
    • 2011-01-11
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • ITO JUNICHIKASHIRAJIMA YASUHIROINATOMI YASUHIKOYOSHIDA HANHAKU
    • F24F11/02F24F5/00
    • F25B49/00F04D15/0083F04D29/669F24F11/83F24F2140/20F25B23/006F25B25/005
    • PROBLEM TO BE SOLVED: To provide an air conditioning system configured so that the air conditioning ability thereof can be controlled appropriately by preventing the cavitation of a refrigerant pump, and a method for operating the same.SOLUTION: The air conditioning system is provided with: an evaporator for evaporating a refrigerant by exchanging heat with indoor air to be air conditioned; a condenser for liquefying refrigerant gas evaporated in the evaporator; a refrigerant pump for delivering the refrigerant liquid liquefied in the condenser to the evaporator; a refrigerant liquid tank disposed between the condenser and the refrigerant pump and temporarily storing the refrigerant liquid liquefied in the condenser; first cold water piping for supplying cold water, which is generated by a heat source machine, to the condenser; second cold water piping for supplying the cold water, which is generated by the heat source machine, to the refrigerant liquid tank; a tank liquid temperature sensor for measuring the temperature of the refrigerant liquid within the refrigerant liquid tank; and a control unit for supplying cold water, which is required to condense the refrigerant, to the condenser and supplying cold water to the refrigerant liquid tank so that the temperature of the refrigerant liquid within the refrigerant liquid tank is lower than the temperature of evaporation calculated from the suction pressure of the refrigerant pump.
    • 要解决的问题:提供一种空调系统,以及通过防止制冷剂泵的空化来适当地控制其空气调节能力的方法及其操作方法。 解决方案:空调系统设置有:用于通过与要空调的室内空气交换热量来蒸发制冷剂的蒸发器; 用于液化在蒸发器中蒸发的制冷剂气体的冷凝器; 用于将在冷凝器中液化的制冷剂液体输送到蒸发器的制冷剂泵; 制冷剂液罐,设置在所述冷凝器和所述制冷剂泵之间,并暂时储存冷凝器中液化的制冷剂液体; 用于将由热源机产生的冷水供应到冷凝器的第一冷水管道; 用于将由热源机产生的冷水供给到制冷剂液体罐的第二冷水管道; 用于测量制冷剂液体箱内的制冷剂液体的温度的罐液温度传感器; 以及控制单元,用于将制冷剂冷凝所需的冷水供给到冷凝器,并向制冷剂液箱供给冷水,使得制冷剂液箱内的制冷剂液体的温度低于蒸发温度,计算出 从制冷剂泵的吸入压力。 版权所有(C)2012,JPO&INPIT