296-洗浴中心废水余热回收途径及其经济性分析.pdfVIP

洗浴中心废水余热回收途径及其经济性分析 杨前明，李 亭，李凯，张亚军 山东科技大学机械电子工程学院 摘 要：针对大型洗浴中心日常运行排出的污水含大量低品味余热特点，在讨论余热回收系统 回收原理及流程基础上，针对不同种类的能源，探讨了不同季节条件下的热经济性、各种能耗费用 的差异性与正确选择能源的重要性；通过减排估算与对各种回收途径的经济性指标分析，指出余热 回收具有显著的经济效益，表明推广清洁绿色新能源与可再生能源的必要性。 关键词：余热回收；污水源热泵；太阳能热管；经济性分析 The ways of Waste Heat Recovery and Economic Analysis of Medium-sized and Large Bathroom Yang Qianming LI Ting LI Kai Zhang Yajun College of Mechanical Electronic Engineering; Shandong University of Science Technology; Qingdao 266590 Abstract ：The thermal economy in different season and the difference of various energy cost as well as the importance of the energy selected rationality have been probed into according to the characteristic of that the large bath centers discharge sewage contains a large amount of low-grade waste heat in the daily operation based on the discussion of the principle and process of waste heat recovery system in the light of the different types of energy. The significant economic benefits of the waste heat recovery has been pointed out and the necessity of the generalizing of cleanness new energy and renewable energy been also indicated through the estimating of the emission reduction and the analysis of economic index of various recycling pathway. Key words ：Waste heat recovery ；sewage heat pump ；Solar heat pipe ；Economic analysis 引言 [1] 随着人们生活舒适度要求的逐渐提高，生活热水所消耗的能量在建筑耗能中的比重逐年增高 ； 对于常规大型集中洗浴而言，由于洗浴热水流量大、用水集中，且系统中的废水一般直接排入污水 系统，使得污水中所含高于环境温度的热量被浪费[2] ，显然对其进行余热回收具有较大的经济价值 与节能减排效益[3] 。余热回收的方法较多，针对大型浴室余热而言，采用污水源热泵、热管均是较 [6] [7~9] 好的回收方式 。由于其运行成本低，近年来得到广泛的应用 。本文在对污水源热泵、热管、 污水源热泵联合热管三种余热回收途径进行分析的基础上，比较了这三种余热回收方式的经济性， 为集中浴室洗浴系统选择合适的余热回收方式提供了一定的依据。 杨前明、男（1960.9—），教授、博士。山东科技大学