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    • 6. 发明授权
    • Chiller with hybrid falling film evaporator
    • 具有混合降膜蒸发器的冷水机组
    • US5839294A
    • 1998-11-24
    • US752341
    • 1996-11-19
    • Robert H. L. ChiangJack L. EsformesEdward A. Huenniger
    • Robert H. L. ChiangJack L. EsformesEdward A. Huenniger
    • F25B39/02F28D3/00F28D5/02F28D7/10F28D7/16F25B43/02
    • F28D21/0017F25B39/02F28D3/00F25B2339/0242
    • A vapor compression refrigeration system for cooling a liquid in which there is a spray dispenser for distributing liquid refrigerant over the tubes in a shell-and-tube type evaporator. The differential pressure in the refrigerant flow loop across the evaporator is the sole means of producing a flow through the spray dispenser. The evaporator is operated as a hybrid falling film heat exchanger, that is, in a semi-flooded condition. The lower portion of the evaporator shell is flooded with liquid refrigerant to wet the lower tubes in the tube bundle while the tubes in the upper portion are wetted only by refrigerant spray from the spray dispenser. The system is operated in a steady state condition whereby at least twenty-five percent (25%) of the tubes in the evaporator operate in a flooded heat transfer mode. The system allows a reduction in the amount of refrigerant charge in the system while at the same time avoiding the use of a recirculating system and pump.
    • 一种用于冷却液体的蒸汽压缩制冷系统,其中存在用于在管式蒸发器中的管上分配液体制冷剂的喷雾分配器。 通过蒸发器的制冷剂流动回路中的压差是产生通过喷雾分配器的流动的唯一手段。 蒸发器作为混合式降膜热交换器操作,即处于半淹没状态。 蒸发器壳体的下部充满液体制冷剂,以润湿管束中的下管,而上部的管仅通过来自喷雾分配器的制冷剂喷雾而被润湿。 该系统在稳态条件下运行,其中蒸发器中至少25%(25%)的管以淹水传热模式运行。 该系统允许减少系统中的制冷剂装料量,同时避免使用循环系统和泵。
    • 9. 发明授权
    • Heat reclaiming method and apparatus
    • 热回收方法和装置
    • US4251996A
    • 1981-02-24
    • US44627
    • 1979-06-01
    • Jack L. EsformesJames S. StyronPatrick Fichot
    • Jack L. EsformesJames S. StyronPatrick Fichot
    • F25B29/00F24D11/02F25B1/04F25B30/02F25B49/02F25D17/02F25B7/00F25B27/02
    • F24D11/0235F25B1/04F25B30/02F25B49/027Y02B10/70Y02B30/126Y02B30/52
    • Heat reclaiming method and apparatus for use with a vapor compression refrigeration circuit, a heat transfer fluid, and a heat storage facility. The heat reclaiming apparatus comprises a heat reclaiming condenser connected to the refrigeration circuit for receiving refrigerant vapor therefrom and discharging condensed refrigerant thereto, further connected to a source of the heat transfer fluid for receiving fluid therefrom, and still further connected to the heat storage facility for discharging the heat transfer fluid thereto, and wherein refrigerant vapor passes in heat transfer relation with the heat transfer fluid to heat the fluid and condense refrigerant vapor. The heat reclaiming apparatus further comprises a valve for regulating the flow of heat transfer fluid to the heat reclaiming condenser; and a valve control for controlling the valve to decrease the quantity of heat transfer fluid flowing to the heat reclaiming condenser when the condensed refrigerant therein reaches a predetermined level.
    • 用于蒸气压缩制冷回路,传热流体和储热设备的热回收方法和装置。 热回收装置包括连接到制冷回路的热回收冷凝器,用于从其接收制冷剂蒸气并将冷凝的制冷剂排出,进一步连接到用于从其接收流体的传热流体源,并进一步连接到储热设备 排出传热流体,其中制冷剂蒸气与传热流体传热关系,以加热流体并冷凝制冷剂蒸气。 热回收装置还包括用于调节传热流体流向热回收冷凝器的阀; 以及阀控制器,用于控制阀门,以减少当冷凝的制冷剂达到预定水平时流向热回收冷凝器的传热流体的量。