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1、摘要随着社会生产力的发展和人们生活水平的提高,人们对生产和生活环境的要求也越来越高。伴随着人们环境意识的不断提高,溴化锂吸收式制冷运行时以其无噪音,振动小,无污染,可以利用各种废热等优点,已逐步取代氟制冷成为主流发展趋势,因此,研究溴化锂吸收式制冷意义重大,溴化锂制冷具有广阔的发展前景,也一定会在未来得到长足的发展。本文主要根据教学和制冷实验的需要,依据溴化锂吸收式制冷的工作原理和特点,对溴化锂吸收式制冷实验装置进行设计,主要完成其结构布局,各换热器计算和设计,设计结构图,最后对整个系统进行性能测定,并根据其优缺点分析得出其具体的节能措施和主
2、要用途。同时依据系统的控制和保护,对整个制冷系统进行完善和修正。关键词:溴化锂;吸收;制冷;设计。40AbstractWiththedevelopmentofsocialproductiveforceandpeople’sgrowthinthelivingstandard,.People’srequireinproduceandlivingenvironmentisalsoincreasinglyhigherandhigher.accompanywithpeople’sconsciousnessofenvironmentisincreased
3、,lithiumbromideabsorptionrefrigerationhavemanyadvantages,suchasnoise-free,smallvibration,lesspollutionandutilizingdifferentkindsofwasteheatandsoon,whichisalreadygraduallysubstitutedthefluorinerefrigerationandpredominatethetrendofdevelopment.Wherefore,researchofthelithiumbro
4、mideabsorptionrefrigerationisofgreatmoment.Lithiumbromideabsorptionrefrigerationhasextensivelongtermpotential,whichisalsocertaintogainfullgrowndevelopmentinthefuture.Thisarticlemostlybasesonthedemandofteachingandexperimentofrefrigeration,referencingthelithiumbromideabsorpti
5、onrefrigeration’sprincipleofoperationandcharacters,designingtheexperimentalapparatusoflithiumbromideabsorptionrefrigeration,mostlyfinishingitsstructureposition,calculatinganddesigningeachheatexchanger,constructionaldrawingofdesign.Inconclusion,precedingthetotalsystem’sperfo
6、rmancemeasurement,andalsobasedonitsadvantagesanddisadvantagesanalysisgainsitsspecificenergy-savingmeasuresandmainapplication.Atthesametime,intermsofthegibberishandprotectionoftherefrigerationsystem,andproceedthewholerefrigerationsystem’ssoundnessandamend.Keywords:lithium-br
7、omide;absorption;refrigeration;design.40目录摘要IAbstractII1绪论11.1课题的背景和研究意义11.2中外溴化锂吸收式制冷的发展概况11.3.1设计步骤21.3.2设计过程21.4溴化锂吸收式制冷性能分析21.5溴化锂吸收式制冷优缺点32实验装置设计过程及计算42.1序言42.2系统设计介绍42.3实验装置的制冷工作原理42.4制冷装置设计过程52.4.1热力计算52.4.2设计参数的选定62.4.3循环各点的参数值72.4.4设备热负荷计算82.4.5装置的热平衡及热力系数和热力完善度92.
8、4.6各类泵的流量计算102.5换热器设计112.5.1冷凝器设计112.5.2蒸发器设计142.5.3吸收器设计152.5.4热交换器的设计172.5.5发生器的