全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
热力发电  2014 

溴化锂吸收式热泵回收循环水余热的模拟研究

, PP. 38-43

Keywords: 吸收式热泵,循环水余热,单效循环,双效循环,热网水温度,驱动汽量,热力系数,蒸汽率

Full-Text   Cite this paper   Add to My Lib

Abstract:

循环水的余热造成环境热污染,同时也损失了大量的热能。对此,利用吸收式热泵对其进行回收利用。以某200mw抽凝机组及其供热系统为例,采用aspenplus软件建立单、双效溴化锂吸收式热泵模型,并进行变工况模拟对比分析。研究结果表明:当热泵出口热网水温度升高或热泵驱动汽源汽量增加时,单、双效循环热泵热力系数均降低;在相同热泵出口热网水温度下,双效循环比单效循环节省蒸汽率约30%;当采用多效循环且热泵出口热网水温度高于90℃时,可采用热泵先将热网回水加热到90℃左右,然后采用尖峰加热器加热热网水到需要的温度,以保证系统稳定运行。

References

[1]  郭培军,隋军,金红光.立式升温型溴化锂吸收式热泵的设计与变工况研究[j].工程热物理学报,2012,33(6):907�912.guopeijun,suijun,jinhongguang.off�designperformanceofaverticallibr/h2oabsorptionheattransformor[j].journalofengineeringthermophysics,2012,33(6):907�912.
[2]  张学镭,陈海平.回收循环水余热的热泵供热系统热力性能分析[j].中国电机工程学报,2013,33(8):1�8.zhangxuelei,chenhaiping.thermodynamicanalysisofheatpumpheatingsupplysystemswithcirculatingwaterrecovery[j].proceedingsofthecsee,2010,33(8):1�8.
[3]  魏潘,张士杰,肖云汉.开式循环吸收式热泵系统变工况性能研究[j].工程热物理学报,2009,30(7):1081�1085.weipan,zhangshijie,xiaoyunhan.theoff�designperformanceofopencycleabsorptionheatertransformer[j].journalofengineeringthermophysics,2009,30(7):1081�1085.
[4]  demirh,mobedim,�lküs.areviewonadsorptionheatpump:problemsandsolutions[j].renewableandsustainableenergyreviews,2008,12(9):2381�2403.
[5]  郭培军.立式降膜升温型溴化锂吸收式热泵的设计与变工况性能研究[d].北京:中国科学院工程热物理研究所,2012.guopeijun.designandresearchonoff�designperformanceofaverticalfallingfilmlibr/h2oabsorptionheattransformer[d].beijing:instituteofengineeringthermophysics,chineseacademyofsciences,2012.
[6]  杨勇平,杨志平,徐钢,等.中国火力发电能耗状况及展望[j].中国电机工程学报,2013,33(23):1�11.yangyongping,yangzhiping,xugang,etal.situationandprospectofenergyconsumptionforchina'sthermalpowergeneration[j].proceedingsofthecsee,2013,33(23):1�11.
[7]  崔可,吴凯槟,丁常富,等.热泵回收电厂循环水余热模型的热经济性分析[j].汽轮机技术,2012,54(6):475�477.cuike,wukaibin,dingchangfu,etal.thermaleconomicanalysisonthemodelofwasteheatrecoveryofcirculatingwaterinpowerplantbyheatpumptechnology[j].turbinetechnology,2012,54(6):475�477.
[8]  赵玺灵,付林,张世钢.吸收式热泵等效循环模型及性能优化[j].太阳能学报,2010,31(9):1173�1179.zhaoxiling,fulin,zhangshigang.thermodynamicsmodelandperformanceoptimizationofabsorptionheatpump[j].actaenergiaesolarissinica,2010,31(9):1173�1179.
[9]  somersc,mortazavia,hwangy,etal.modelingwater/lithiumbromideabsorptionchillersinaspenplus[j].appliedenergy,2011(88):4197�4205.
[10]  qingshengb,yanliangm,zhangb.simulationinaspenplusofpowerplant'scirculatingwaterwasteheatrecoverysystem[c]//2010internationalconferenceone�producte�serviceande�entertainment(iceee).2010:1�4.
[11]  sunf,ful,zhangs,etal.newwasteheatdistrictheatingsystemwithcombinedheatandpowerbasedonabsorptionheatexchangecycleinchina[j].appliedthermalengineering,2012,37:136�144.
[12]  林振娴,杨勇平,何坚忍.热网加热器在热电联产系统中的全工况分析[j].中国电机工程学报,2010,30(23):14�18.linzhenxian,yangyongping,hejianren.analysisonthefullconditionsofthermal�systemheaterinthecombinedandheatpowersystem[j].proceedingsofthecsee,2010,30(23):14�18.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133