252-大连名品家居城污水源热泵空调系统设计.pdfVIP

大连名品家居城污水源热泵空调系统设计 1,2,3,4 1,2,3,4 4 1 1 1 汪语哲 ，毕海洋 ，姚伟君 ，冉春秋 ，李佳乐 ，杨正凯 （1 大连民族大学，2 大连理工大学，3 大连经济技术开发区博士后工作站，4 大连葆光节能空调设备厂） 摘 要：介绍了国家科技支撑计划项目示范工程 “大连名品家居城污水源热泵空调项 目”的设计方案。从大连开发区市政污水干渠引出的原生工业污水经过除污、换热、输配和 退水环节，为家居城供暖制冷。概述了项目的整体设计方案，介绍了该空调系统的设计指标、 冷热源方案。针对污水源热泵系统运行中普遍存在的污垢堆积堵塞换热器和降低换热器效率 的问题，重点介绍了项目设计的全自动除污机和污水专用楔形管式换热器两类防阻方案设 计，五年以来的运行结果表明了该套系统设计的有效性。 关键词：污水源热泵； 系统设计；防阻机； 节能； 污水专用换热器 Design and application of a sewage source heat pump air conditioning system for Dalian Mingping furniture mall Wang Yuzhe ，Bi Haiyang ，Yao Weijun ，Ran Chunqiu ， Li Jiale ， Yang Zhengkai Abstract: Design scheme of sewage source heat pump project of Dalian Mingping furniture mall was introduced in the demonstration project of National Science and Technology Support Program. Primary sewage conducted from the municipal wastewater trunk canal of Dalian Developing Zone was used for heating and cooling the furniture mall after decontamination, heat exchanging, transmission and water returning. Overall design of the project was first summarized, then design indexes as well as heating and cooling scheme of the air conditioning system were introduced. For the typical problems of blockage and lowing in efficiency of heat exchanger caused by fouling aggregation of sewage source heat pump system, two kinds of anti-blocking scheme, namely, automatic decontaminator and wedge-shaped pipe typed heat exchanger special made for sewage were special emphasize. Results of five years operation showed the effectiveness of the system. Keywords: sewage source heat pump ；system design ； anti-blocking machine ； energy saving ；heat exchanger specialized for sewage water 1 引 言 我国是工业大国，每年煤炭、石油、造纸、钢铁等行业的生产排放大量工业废水，这些 废水中蕴含了大量低品位能源，研究如何变废为宝，利用其进行再生产具有重要意义[1-2] 。 原生污水源热泵技术为上述工业废水的回收利用提供了一种较好的解决方案。污水源热泵工 程应用对最大难点在于工业污水中蕴含大量柔、脆性污物，经长年累月的运行，污杂物将逐 渐沉积，造成设备堵塞，严重影响污