为研究船用冷藏集装箱在部分负荷下进行吸气调节时的系统特性，利用所搭建的船用冷藏集装箱实验台，采用电加热器模拟蒸发器负荷，对箱内温度设定为10℃和0℃时，对制冷机组在部分负荷下的吸气能力调节进行实验研究.结果表明,采用吸气调节进行容量控制时，当系统负荷较低时(小于4kW)，机组的制冷系数低于1,因此应尽量避免在该负荷区间采用吸气调节运行.
Abstract
In order to study on the performance of suction pressure modulation for partial load in ship refrigerated container, an experimental study was carried out using the test rig for ship refrigerated container. The electric heaters were used to simulate the load of evaporator, and the inner temperature of container were kept at set point of 10℃ and 0℃ respectively. Experimental results show that taking the suction pressure modulation method as capacity control, the coefficient of performance (COP) of refrigeration unit is less than 1 when the load of evaporator is low (less than 4 kW) . Consequently, the capacity control method of suction pressure modulation should be avoided to use for the low partial load as far as possible.
关键词
船用冷藏集装箱 /
部分负荷 /
吸气调节 /
运行特性
Key words
ship refrigerated container /
partial load /
suction pressure modulation /
operating performance
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[1]陈芝久.制冷系统能量调节分析［C］//上海市制冷学会二○○三年学术年会论文集.上海：［s.n.］, 2003:182-184.
CHEN Zhi-jiu. Analysls of adjustment of refrigeration system［C］//Shanghai Refrigeration Institute Academic Essays, 2003. 2003:182-184. (in Chinese)
［2］韩勇. 集装箱制冷机组的容量调节方式［J］.制冷与空调,2012(12):35-39.
HAN Yong. Capacity-regulating methods of container refrigeration unit［J］. Refrigeration and Air-conditioning, 2012(12):35-39. ( in Chinese)
［3］TSO C P. A comparison of hot-gas by-pass and suction modulation method for partial load control in refrigerated shipping containers［J］.International Journal of Refrigeration,2001, 24: 544-553.
［4］薛威. 船用冷藏集装箱制冷机组的设计与特性研究［D］.厦门:集美大学,2013.
XUE Wei. The design of a refrigeration unit for marine reefer container and its performance research［D］.Xiamen:Jimei University,2013. (in Chinese)
［5］中华人民共和国国家标准. GB/T1413-2008系列1集装箱分类尺寸和额定质量［S］.2008:2-6.
The national standard of the people's Republic of China. The GB/T1413-2008 Series 1 containers dimensions and ratings［S］.2008:2-6.
［6］龚炎. 冷藏集装箱冷负荷计算方法探讨［J］.四川制冷,1997: 28-32.
GONG Yan. Reefer container cooling load calculation method［J］. Sichuan refrigeration, 1997:28-32. (in Chinese)
基金
福建省科技重点项目（2012H0032）；厦门市科技计划资助项目（3502Z20123024）
PDF(4099 KB)
