毕业设计（论文）-KLRFP-400Ⅱ-水冷分离式风机盘管空调器设计

1、KLRFP-1000-水冷分离式风机盘管空调器郑州轻工业学院本科毕业设计（论文） 全套图纸加扣3012250582 题 目 KLRFP-400-水冷分离式风机盘管空调器学生姓名 专业班级 热能10-2 学 号 院 （系） 机电工程学院 指导教师（职称） 完成时间 2014 年 5 月 12日 2KLRFP-400-水冷分离式风机盘管空调器目 录摘 要IABSTRACTII2 原始设计资料和技术条件23 系统热力计算23.1 确定制冷系统的总制冷量23.2 制冷剂的选择23.2.1 制冷剂性质的要求33.2.2 热力学性质的要求33.2.3 制冷剂的选择43.3 制冷热力计算53.4 压缩机的选择104 冷凝器的选择计算134.1 冷凝器的形式选择134.2 套管式冷凝器的设计计算134.2.1 冷凝器设计参数144.2.2 冷凝器换热面积计算144.2.3 冷凝热负荷计算154.2.4 内管根数的确定154.2.5 传热计算154.2.6 冷凝器总体结构设计175 蒸发器的选择计算175.1 蒸发器的参数185.2 蒸发器结构设计185.2.1 确定空气在流经蒸发器时的状态变化过程19

2、5.2.2换热计算205.2.3 校核壁温225.2.3 风侧阻力计算236 辅助设备的选择计算选型236.1 干燥过滤器的计算选型236.2风机盘管风机选型256.3风机盘管电机选型266.4节流装置计算选型276.4.1节流前后压差的计算276.4.2节流装置的选型276.5四通换向阀的选型296.5.1四通换向阀的选型296.5.2四通换向阀线圈的选择306.6气液分离器的计算选型306.6.1气液分离器选型原则306.6.2气液分离器计算选型316.7压力控制器的选型336.7.1工作原理336.8分液器选型346.9电磁阀选型346.9.1 电磁阀的工作原理及作用346.9.2 电磁阀的安装和使用356.10 截止阀选择357 管路设计367.1 制冷循环铜管的设计计算367.1.1 各主要零部件的尺寸367.1.2 系统铜管选择388 水环系统的设计408.1 水系统循环分类408.2 水系统管制408.3水系统的设计418.3.1 冷凝水系统的设计418.3.2 冷却塔选型438.3.3 冷却水泵计算选型448.3.4 膨胀水箱计算选型468.3.5 冷凝器水环系统水管直

3、径设计468.3.6 冷凝器水系统连接管设计488.4水系统截止阀和弯头设计498.5水系统保温管设计49结 束 语52致 谢53参考文献54KLRFP-400-水冷分离式风机盘管空调器KLRFP-400-水冷分离式风机盘管空调器摘 要随着中国经济的快速发展，人们的生活水平得到了极大的提高，现在家用空调的普及率逐年升高并呈现出快速发展的趋势。特别是近几年人们对生活质量的看重和房地产的快速发展家用中央空调呈现出了空前的繁荣时期。水冷分离式风机盘管空调器是家用中央空调，专业上属于水环热泵的范畴。这种空调调节方便，节能，可同时供冷供暖，经济性好，系统布置简洁灵活，设计方便，设计周期短，施工及运行管理方便，还可分户计费等优点得到了很多用户的青睐，在国内外的发展速度也非常快。它的室外冷凝器部分采用水冷形式，室内蒸发器采用传统空调的风冷形式，制冷范围较大，可以在家用空调与一般中央空调之间灵活调节，同时造价不高，安装方便，因此近年来水冷分离式空调器发展极为迅速。该系统在水/空气热泵机组制热时，以水循环环路中的水为加热源；机组制冷时，则以水为排热源。当水环热泵空调系统制热运行的吸热量小于制热运行的放热

4、量时，循环环路中的水温度升高，到一定程度时利用冷却塔放出热量；反之循环环路中的水温度降低，到一定程度时通过辅助加热设备吸收热量。本文主要介绍了4kw水冷分离式风机盘管空调器的设计思路及主要部分的设计计算，先后定性的分析了制冷剂的选择、压缩机的选用、冷凝器的水冷换热方式的确定、蒸发器换热方式的确定、节流机构的选择以及相关辅助设备的选择计算。在定量计算上详细介绍了热力计算、冷凝器的设计计算、蒸发器的设计计算、节流机构的选择计算、水环系统管路的计算以及其他辅助设备的选择过程。关键词 水冷分离/压缩机/冷凝器/蒸发器/水环热泵KLRFP-400- WATER-COOLED FAN COIL SPLIT AIR CONDITIONERSABSTRACTReform and opening up for 30 years, along with the rapid development of Chinas economy, peoples living standards have improved tremendously, now increasing the prevalence rate

5、 of family expenses air conditioning and show a rapid development trend. Especially in recent years people of the quality of life in the rapid development of real estate values and household central air-conditioning presented unprecedented boom.Water-cooling separate fan coil air is household central air-conditioners, professional belongs to the category of water loop heat pump. This kind of air-conditioning system is convenient adjustment, energy-saving, can both cooling heating, economical, sy

6、stem decorate concise flexible, design is convenient, design cycle is short, construction and operation management convenient, still can individual biling system got many advantages such as the favor of the customers at home and abroad, development speed is also very fast. Its outdoor condenser part adopts water-cooled form, indoor evaporator adopts the traditional air-conditioning cooling form, refrigeration range is bigger, can be in household air-conditioner and general central air conditioni

7、ng, and cost between flexible adjustment is not high, easy installation, so in recent years very rapidly cooled separate air conditioner. In this system, the water/air heat pump units in water, heating water heating source of loop; Unit, criterion with water refrigeration for row heat. When water-loop heat pump system is less than the heat heating operation when the heat heating operation, put the water temperature circular loop, to certain degree gives off heat using cooling towers; Whereas the

8、 water temperature drop circular loop, to certain degree absorbs heat through assisted heating equipment.This article mainly introduced the 10kw (refrigeration area in 60-70 square meters) water-cooled separate fan coil air conditioner design idea and main part of the design and calculation, successively qualitative analyses of refrigerant compressor choice, the selection and condenser cooling ways of heat determined, evaporator heat throttle body determination, the way the option and auxiliary equipment choice calculation. Quantitative calculation are introduced in detail in the thermodynamic calculation on the design calculation, the evaporator design calculation, the throttle body choice calculation, water ring system pipeline calculation and other auxiliary equipment selection process.KEY WORDS water-cooled separation，compressor，condenser，evaporator，water loop heat pump

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