热泵回收印染余热系统的设计及维护管理  

Design and maintenance management of heat pump system for waste heat recovery

作　　者：杨倩鹏[1] 吴静[2] 王福强[1] 史琳[1] 

机构地区：[1]热科学与动力工程教育部重点实验室,清华大学热能工程系,北京100084 [2]清华大学环境模拟与污染控制国家重点实验室.北京100084

出　　处：《印染》2013年第11期30-32,45,共4页China Dyeing and Finishing

基　　金：国家自然科学基金项目(No.51236004);国家973资助项目(No.2010CB227305)

摘　　要：针对印染业的余热回收和节能减排,设计了中高温和中低温两级热泵系统,回收印染废水余热并回用于不同印染工序;针对印染废水水质较差,易在换热器表面形成污垢问题,进行了污垢与换热的综合分析和污垢监测系统设计,预测清洗周期并给出清洗建议。Huge amount of waste heat exists in printing and dyeing wastewater for its large rate of flow. Second stage heat pump system using medium-high and medium-low refrigerants is designed for waste heat recovery from printing and dyeing wastewater, aiming to provide heat for different printing and dyeing process. Meanwhile, the complex water quality of wastewater can cause severe fouling problem in heat exchangers of heat pump system. A fouling monitoring system is de- signed and relation between fouling and heat transfer is comprehensively analyzed in this study, by which the cleaning period can be predicted and cleaning strategies can be given. This study will provide the reference for waste heat recovery from print- ing and dyeing wastewater with fouling problem using heap pump system.

关 键 词：印染废水 余热回收 热泵 污垢 

分 类 号：X791[环境科学与工程—环境工程]