1、丹佛斯工业制冷 三大应用 液位控制topic | name MMM YYYY | 2Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide Mastertopic | name MMM YYYY | 3Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide Master机房液位控制的三种方案三种常用控制方案：q 开关式液位控制 : AKS38+E
2、VRA/ICS+EVMq 机械式液位控制 : PMFL/H+SVq 电子式液位控制： AKS 41+ICM/AKVA+EKC347液位控制的必要性：q 低压循环桶液位过高，容易使压缩机吸气带液，损害压缩机。q 低压循环桶液位过低，容易使泵气蚀，或由于制冷剂气化使泵无法正常供液及冷却，烧毁氨泵。topic | name MMM YYYY | 4Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide Master开关式液位控制qAKS38+EVRA/ICS+EVMAKS38
3、EVRA/ICS+EVM REGtopic | name MMM YYYY | 5Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide Master开关式液位控制 特点优点 不足q相对便宜q容易安装q适用的冷量范围大q可以用作液位报警q液位没有连续调解稳定q一旦安装无法改变设定液位位置q液位调节范围窄q温度波动大topic | name MMM YYYY | 6Danfoss Automatic ControlsHow to change footer In the
4、menu bar, select View, Master, Slide Master机械式液位控制qPMFL+SV4topic | name MMM YYYY | 7Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide Master机械式液位控制供液主阀电磁阀低压循环桶 /分离器 /蒸发器导压管浮球导阀 SV4topic | name MMM YYYY | 8Danfoss Automatic ControlsHow to change footer In the
5、menu bar, select View, Master, Slide Master供液主阀 PMFL结构topic | name MMM YYYY | 9Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide MasterPMFL里的弹簧过冷度K经过 PMFL的压降4 15 bar 1.2 4 bar0 88 40弹簧类型标准弹簧组强弹簧组弱弹簧组topic | name MMM YYYY | 10Danfoss Automatic ControlsHow to change footer In the menu bar, select View, Master, Slide Master浮球导阀 SV4结构SV 4,5,6
