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石墨改性聚丙烯冷凝器多少钱？采用什么原理？

石墨改性聚丙烯冷凝器多少钱？采用什么原理？

浏览：40次 | 提问时间： 07-24 10:07

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3个答案

影子仆人 07-24 10:08

石墨改性聚丙烯冷凝器价格是1000元左右，压缩机吸入从蒸发器出来的较低压力的工质蒸汽，使之压力升高后送入冷凝器，在冷凝器中冷凝成压力较高的液体，经节流阀节流后，成为压力较低的液体后，送入蒸发器，在蒸发器中吸热蒸发而成为压力较低的蒸汽，从而完成制冷循环。

深拥再见囍相逢 07-24 10:17

管路压降影响是一部分！我们设蒸发压力为P1，蒸发器进口处大部分是液体，在此温度下对应的饱和压力P0要稍高于其蒸发压力P1才能保证制冷剂在进入蒸发器后才蒸发。假如没有压缩机吸气，其压力也是不会变化的，但是蒸发器出口连接压缩机吸气口，蒸汽不断被抽走，形成一个比较低的压力，才会使制冷剂不断流动！而由于蒸发器出口的温度一般比蒸发压力对应的温度要高，那里一般是过热的制冷剂气体，所以才能保证在相对低的压力下制冷剂依然能保持气体状态！仅供参考，谢谢！

有种咱来比谁纯 07-24 10:25

原理:将第一个蒸发器产生的二次蒸汽再次当作加热源，引入另一个蒸发器，只要控制蒸发器内的压力和溶液沸点，使其适当降低，则可利用第一个蒸发器产生的二次蒸汽进行加热。此时，第一个蒸发器的冷凝处就是第二个蒸发器的加热处。这就是多效蒸发原理。每个蒸发器称为一效，通入生蒸汽的蒸发器为第一效，并由二次蒸汽通入方向依次为第二效、第三效等。

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