| 风冷冷热水机组性能测试系统节能运行分析及改进 |
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| 引用本文： | 徐卫荣,杜垲.风冷冷热水机组性能测试系统节能运行分析及改进[J].东南大学学报(自然科学版),2008,38(6). |
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| 作者姓名： | 徐卫荣 杜垲 |
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| 作者单位： | 东南大学能源与环境学院,南京,210096 |
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| 基金项目： | 国家自然科学基金资助项日
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| 摘 要： | 对风冷冷热水机组常规测试系统进行了计算分析,针对常规测试系统中同时需要加热和制冷而造成的能量浪费现象,提出在该常规测试系统中空气侧增设表冷器,水侧增设水水换热器,对该系统进行节能改进设计.并以制冷量为25kW(制热量为32kW)的风冷冷热水机组测试系统为例,以试验工况数据为基础,对改进后系统的节能效果进行验算分析.通过比较改进前后的系统能耗得出,改进后的系统制冷测试工况时可节电32kW,热泵测试工况时可节电16kW,最后编写了表冷器的设计计算程序模块.
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| 关 键 词： | 风冷冷热水机组 性能测试 负荷 节能 制冷工况 热泵工况 |
Energy-saving operation analysis and improvement of air-cooled cold and hot water unit performance test system |
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| Xu Weirong,Du Kai.Energy-saving operation analysis and improvement of air-cooled cold and hot water unit performance test system[J].Journal of Southeast University(Natural Science Edition),2008,38(6). |
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| Authors: | Xu Weirong Du Kai |
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| Abstract: | Calculation and analysis on conventional performance test system of air-cooled cold and hot water unit were carried out.To avoid the energy waste in conventional test system due to simultaneous heating and refrigerating,a novel test system for air-cooled cold and hot water unit is put forward.A surface cooler and a water-water heat exchanger are added to air side and water side respectively to improve the energy-saving of test system.Based on the experimental operating modes,comparison on energy-saving between the novel system and conventional system was performed through an example of an air-cooled cold and hot water unit with the cooling capacity of 25 kW and the heating capacity of 32 kW.The calculation results show that with the novel system the electric power of energy-saving is 32 kW in refrigerating test mode and 16 kW in heating test mode.Finally, a surface cooler design module is programmed. |
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| Keywords: | air-cooled cold and hot water unit performance test load energy-saving refrigerating operating status heating operating status |
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