城市二级污水用于污水源热泵应用于住宅小区的经济技术分析机械工业第六设计研究院有限公司林彦川*李科孙志伟摘要随着城市的发展,近些年我国城市污水厂处理量增长迅速。城市污水处理厂的二级出水具有巨大的低品质能源,污水源热泵空调系统能够集中有效地利用污水中宝贵的冷热资源。以项目排水量12万m3的污水处理厂处理后的二级污水作为热泵低位热源建立能源站,为周围住宅集中供冷、供热。以项目为例针对污水处理厂排水的特点,探讨了污水源热泵系统设计中的相关问题,同时进行经济技术分析。结果表明,城市二级污水用于污水源热泵具有其可行性及发展潜力,能够产生巨大的经济和环境效益。关键词住宅小区;污水源热泵系统;工程实例;经济技术分析EconomicandTechnicalAnalysisofUsingUrbanSecondarySewageasSewageSourceHeatPumpinResidentialCommunitiesLinYanchuan,LiKeandSunZhiweiAbstractEconomicandtechnicalanalysisofurbansecondaryaewageusedforsewagesourceHeatpumpapplicationinresidentialcommunitieswiththedevelopmentofcity,thetreatmentcapacityofurbansewageplantsinChinahasgrownrapidlyinrecentyears.Thesecondaryeffluentofurbansewagetreatmentplantshasahugeamountoflow-qualityenergy,andthesewagesourceheatpumpairconditioningsystemcaneffectivelyutilizethevaluablecoldandhotresourcesinthesewage.Thisarticleusesthesecondarysewagetreatedbythesewagetreatmentplantwithadrainagecapacityof120000m3asthelowlevelheatsourceoftheheatpumptoestablishanenergystationforcentralizedcoolingandheatingofsurroundingresidentialareas.Takingtheprojectasanexample,thispaperexplorestherelevantissuesinthedesignofsewagesourceheatpumpsystemsbasedonthecharacteristicsofsewagetreatmentplantdrainage,andconductseconomicandtechnicalanalysis.Theresultsindicatethatusingurbansecondarysewageasasewagesourceheatpumphasitsfeasibilityanddevelopmentpotential,andcangeneratehugeeconomicandenvironmentalbenefits.KeywordsResidentialdistrict;Sewagesourceheatpumpsystem;Project;Economicandtechnicalanalysis0引言城市污水热能作为一种可再生能源比以往得到了更多的关注,相比起其他冷热源,城市污水具有明显优势,是一种理想的低位冷热源[1]。城市污水的最大特点是冬暖夏凉,冬季温度一般在13℃左右,夏季...