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    • 7. 发明申请
    • A VAPOUR COMPRESSION SYSTEM WITH SPLIT EVAPORATOR
    • 具有分离蒸发器的蒸汽压缩系统
    • WO2011072679A1
    • 2011-06-23
    • PCT/DK2010/000100
    • 2010-06-29
    • DANFOSS A/STHYBO, ClausLARSEN, Lars, Finn, SlothMADER, Gunda
    • THYBO, ClausLARSEN, Lars, Finn, SlothMADER, Gunda
    • F25B5/02F25B1/10
    • F25B5/02F25B1/10F25B39/02F28D1/0417F28D1/0435
    • A vapour compression system (1) comprising a compressor (2), a condenser (3), an expansion device (4) and an evaporator (5) arranged along a refrigerant path is disclosed. The evaporator (5) comprises at least two evaporator paths (5a, 5b, 5c, 5d) arranged fluidly in parallel between the expansion device (4) and the compressor (2). Each evaporator path (5a, 5b, 5c, 5d) is fluidly connected to the compressor (2) via a separate suction line (7a, 7b, 7c), and the suction pressure in each of the suction lines (7a, 7b, 7c) is distinct from the suction pressure in each of the other suction line(s) (7a, 7b, 7c). The separate suction lines (7a, 7b, 7c) allows the evaporator paths (5a, 5b, 5c, 5d) to be operated at different evaporator temperatures and pressures. Thereby a large temperature change of a secondary flow (6) across the evaporator (5) can be obtained while the suction pressure of a part of the mass flow is kept at a high level. The work required by the compressor (2) is reduced and energy is conserved.
    • 公开了一种蒸气压缩系统(1),其包括沿制冷剂路径布置的压缩机(2),冷凝器(3),膨胀装置(4)和蒸发器(5)。 蒸发器(5)包括至少两个平行布置在膨胀装置(4)和压缩机(2)之间的蒸发器路径(5a,5b,5c,5d)。 每个蒸发器路径(5a,5b,5c,5d)经由单独的吸入管线(7a,7b,7c)与压缩机(2)流体连接,吸入管线(7a,7b,7c) )与其他吸入管线(7a,7b,7c)中的每一个的吸入压力不同。 分离的吸入管线(7a,7b,7c)允许蒸发器路径(5a,5b,5c,5d)在不同的蒸发器温度和压力下操作。 从而可以获得横跨蒸发器(5)的二次流(6)的大的温度变化,同时将质量流的一部分的吸入压力保持在高水平。 压缩机(2)所需的工作减少,节能。