bcd 550wt间冷式家用冰箱制冷系统设计说明书.doc

目录摘要···················································3关键词···················································3ABSTRACT···············································4KEYWORDS············································4前言·····································································································6流程选择···········································6冷凝器选择·········································6蒸发器选择·········································7制冷剂选择·········································7节流装置选择·······································7压缩机选择········································7过程论述···············································································································································································································································································································································································································································································································································································30参考文献············································30附录················································32附录一冰箱系统布置图································32附录二冷凝器装配图··································32附录三计算程序·····································33致谢················································34BCD-550WT间冷式家用冰箱制冷系统设计摘要随着人们生活水平的日益提高,家用冰箱已经成为家用冷冻冷藏的必备设备,同时节能和环保已经成为冰箱行业发展的主流。本论文详细的说明了如何设计一台550L的间冷冰箱的步骤和相关的计算方法。例如绝热层厚度的选择、冰箱外壁面的防露校核、制冷系统的热力计算、压缩机的选型、蒸发器和冷凝器的热力计算及毛细管长度的计算。另外本文还对未来电冰箱的发展趋势、技能技术也作了一定介绍,指出家用电冰箱应该向着节能化、环保化、智能化及多功能化方向发展。关键词:间冷式;家用冰箱;节能环保BCD-550WThouseholdrefrigeratorsrefrigerationsystemdesignAbstractAspeoplelivingsta