（附件一）离心机组培训讲解基础资料

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1、深蓝公司赴日进修服务技术员预习资料离心式制冷机组(((基础知识编(基础知识编))))三菱重工业株式会社冷热事业本部大型冷冻机部目目目目次次次次ⅠⅠⅠⅠ基础知识基础知识·····························11.1.离心式制冷机组的原理1.离心式制冷机组的原理······················11.1为什么制冷机组能制冷?······················11.2热·······························11.3制冷作用的原理························

2、·21.4泵和制冷机的比较························32.2.制冷机组上所使用的热力学的词汇2.制冷机组上所使用的热力学的词汇·················32.1温度······························32.2压力······························42.3热量的单位···························52.4比热······························52.5冷顿····························

3、··52.6功,动力功的热当量·······················63.3.离心式制冷机组的作用3.离心式制冷机组的作用······················73.1冷媒的作用···························83.2冷媒的压力和温度的关系·····················103.3离心式压缩机的作用·······················113.4冷凝器的作用··························133.5蒸发器的作用·························

4、·143.6膨胀阀的作用··························144.4.4.冷媒的特性4.冷媒的特性····························154.1冷媒R-134a的特性························154.2莫里尔图(焓-熵图)························175.5.用莫里尔图做离心式制冷机组的基础计算5.用莫里尔图做离心式制冷机组的基础计算··············225.1设定条件····························225.2莫里尔图

5、上的冷媒循环······················225.3所需要的压缩机压头的求法····················245.4所需要的压缩机动力的求法····················245.5蒸发器和冷凝器的大小的求法···················255.6双级离心式制冷机组的冷冻循环··················276.6.离心式制冷机组的结构6.离心式制冷机组的结构······················296.1离心式压缩机··························316.2油

6、回收引射器··························336.3冷凝器和蒸发器·························346.4经济器和膨胀阀·························357.7.7.离心式制冷机组的特性7.离心式制冷机组的特性·······················357.1风量-压头曲线(Q-H曲线)·····················357.2喘振现象····························367.3速度控制·························

7、···367.4导叶控制····························377.5旁通控制····························387.6运转条件变化和性能的关系····················381)冷水温度变化·························382)冷却水温度变化························393)冷却水污垢系数的影响·····················394)空气浸入和制冷能力的关系···················405)冷水温度、冷却水温度和

8、电动机输出的关系············406)冷水流量、冷却水流量变化···················41ⅡⅡⅡⅡ离心式制冷机组的运转、维修离心式制冷机组的运转、维修···················421.1.运转记录1