厦门东部燃气电厂LNG热电冷联产系统节能方案研究_吴集迎.pdfVIP

36 3 ( ) Vo.l36 No.3 2008 6 JournalofFuzhouUniversity(NaturalScience) Jun.200 8 :1000-224 3(2008)03-0369-05 LNG , , (, 　36 102 1) : LNG., .: 89.2% 82.8%, 80%, , 5 . :;;;; :TM621;TK12 3 :A AnalysesonenergysavingprojectofaLNG-CCHPsystem in Xiameneasternnaturalgaspowerplant WUJi-ying, ZHANGShao-jian, CAOWen-sheng (CollegeofMechanicalEngineering, JmieiUniversity, Xiamen, Fujian361021, China) Abstrac:tAnenergysavingprojectfortheLNG-CCHP(liquefiednaturalgas-combinedcoolinghea-t ingandpower)systeminXiameneasternnaturalgaspowerplantisputforwardaccordingtothebasic dataofthispowerplan.tTheprmiaryenergyratio, operationeconomicsandenergy-savingpotentialof thesystemareanalyzedundersomeassumption.sTheresultsshowthatsystemtotalenergyefficiencyof thisprojectishigherthan80%, withtheenergyefficiencyofcooling-powersystemandheating-pow- ersystemupto89.2% and82.8% respectively.Moreove,rtheoperationcostsofcoolingsystemarefe- werandtheinvestmentrecoveryperiodislessthan5 year.s Keyword:sLNG;naturalgaspowerplan;tCCHP;energysaving;Xiamen ——— LNG, 5 . , 200 8. LNG 4 ×350 MW., , . 1　 (CombinedCoolingHeatingandPowe,rCCHP) ., , ., , . , [1] :①+;②+;③ +;④+/;⑤ -+. :2007-12-07 :(1964-), , . :(E064 00 13 ) ·370 · ( ) 36 2　 2 LNG, , 18.54 m, 2 8.73, 4×350 MW.2 350 MW- , 220 kV, . [2] LNG, LNG . 2.1　 2.1.1　 2 350 MW-, , ( ). , F ( 200 MW),