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    • 15. 发明公开
    • Method of refrigeration and a refrigeration system
    • 制冷方法和制冷系统
    • EP0033560A3
    • 1982-05-26
    • EP81200064
    • 1981-01-20
    • ENGINEERING MANAGEMENT SERVICES LIMITED
    • Van Breda Smith, Michael
    • F25D31/00F25D17/02
    • F25D31/002F25B1/00F25B2400/161F25D17/02
    • Liquid is cooled in a batch mode. A batch of liquid is circulated in a cooling loop (12) until i tjs cooled to a desired temperature at which time it is removed from the cooling loop (12) and a new batch is introduced therein. Preferably, the cooled batch is discharged from the cooling loop by the new batch with as little mixing as practicable. The cooling loop has a desired volume determined by a receiver (36) of suitable capacity. A supply accumulator (14) is used to accumulate liquid to be cooled and from which liquid to be cooled is supplied into the cooling loop. Cooled liquid is discharged from the cooling loop into a product accumulator (16). The liquid may be cooled to a temperature close to its freezing point by freezing a minor portion of the liquid in the cooling loop which is then melted by the liquid of the next batch when it is introduced into the cooling loop. The cooling loop is such as to promote plug flow and to reduce backmixing. In a preferred form, the cooling loop has an evaporative cooler (32) which utilises a suitable refrigerant. The refrigerant is evaporated in each cooling cycle, at a progressively reducing pressure and temperature achieved by withdrawing liquid refrigerant from a closed first vessel (92), evaporating it in the cooler (32) to cool the liquid, compressing the vapour refrigerant by means of a compressor (76), condensing the vapour refrigerant in a condenser (80) and feeding the condensate into a further vessel (94). The liquid refrigerant is withdrawn initially into a flash tank (70), vapour being circulated by a pump (72) to the cooler (32). Valves (88,90,100 and 102) are provided to switch the two vessels (92, 94) around at the end of each cooling cycle.
    • 17. 发明授权
    • Refrigeration system having a refrigeration cycle which provides optimized consumption
    • 制冷系统具有提供优化消耗的制冷循环
    • US06427460B1
    • 2002-08-06
    • US09537665
    • 2000-03-29
    • Luciano Zanon
    • Luciano Zanon
    • F25B4100
    • F25B41/00F25B5/02F25B49/022F25B2400/03F25B2400/075F25B2400/161F25B2500/05F25B2600/021Y02B30/741
    • A refrigeration system having a refrigeration cycle which provides optimized consumption, comprising a main section, which is constituted by at least one main compressor, a main condenser, which is connected between the compressor and at least one expansion valve, and at least one evaporator, which is connected to the expansion valve, which comprises an auxiliary section comprising at least one auxiliary compressor which is connected to a low-pressure intake line of the main compressor, at least one auxiliary condenser which is connected to the auxiliary compressor, and a first auxiliary reservoir and a second auxiliary reservoir which are respectively connected to the output of the auxiliary condenser and to the output of the main condenser, for connection to the at least one expansion valve.
    • 一种具有提供优化消耗的制冷循环的制冷系统,包括由至少一个主压缩机,连接在压缩机与至少一个膨胀阀之间的主冷凝器和至少一个蒸发器构成的主部分, 其连接到膨胀阀,其包括辅助部分,该辅助部分包括连接到主压缩机的低压进气管线的至少一个辅助压缩机,连接到辅助压缩机的至少一个辅助冷凝器,以及第一 辅助储存器和第二辅助储存器,其分别连接到辅助冷凝器的输出端和主冷凝器的输出端,用于连接到至少一个膨胀阀。
    • 20. 发明授权
    • METHOD AND DEVICE FOR COOLING
    • KÜHLVERFAHREN-和设备
    • EP0842384B1
    • 2000-04-05
    • EP95927905.0
    • 1995-07-28
    • Katai, LajosKatai, Lajos Jr.Katai, Zoltan
    • Katai, LajosKatai, Lajos Jr.Katai, Zoltan
    • F25B1/00F25B41/00
    • F25B41/00F25B2400/161F25B2400/23Y10S62/02
    • In a cooling apparatus comprising a device for (pre)cooling the liquid coolant by means of its limited expansion, the invention provides a method of reduced energy consumption by (also) utilising for cooling, at least temporarily, the (pre)cooled liquid coolant as a liquid heat carrier, by causing at least a partial amount of the coolant to flow, by maintaining its liquid state without evaporation, through at least one heat exchanger (10). The method is preferably performed in an apparatus wherein the device for (pre)cooling the liquid coolant comprises two identical liquid recipients (1, 2) the upper inner space sections of which are alternately connectable to a phase separator (3), that is also connected to a collector conduit (50) of a liquid collector (9). The liquid recipients (1, 2) are also alternately connectable to a common supply conduit (54) which is, via a changeover valve (22), connected to the collector conduit (50) of the liquid collector (9), and to a common discharge conduit (51) that leads to a (pre)cooled liquid outlet (LO) of the device. A vapour outlet of the phase separator (3) is connected to a displacement pump (4) and a vapour inlet (VI) of the device. The common discharge conduit (51) of the liquid recipients (1, 2) is also connected, via a coolant pump (5), a heat exchanger (10), and a controlled closing valve (27), to the changeover valve (22) so that in typical modes of operation, the positive circulation of the liquid coolant within the device is allowed for.