天然气部分液化工艺计算

范学军,袁树明,杜建梅,常玉春,于建国(中国市政工程华北设计研究总院,天津300074):提出了压力罐储存常压罐储存的天然气部分液化工艺流程,结合实例进行了液化工艺计算:液化天然气;部分液化;压力罐储存;常压罐储存;工艺计算:TU996:A:1000-4416(2010)07-0A40-03ProcessCalculationofPartialLiquefactionofNaturalGasFANXuejun,YUANShuming,DUJianme,iCHANGYuchun,YUJianguoAbstract:Theprocessflowofpartialliquefactionofnaturalgasstoredinpressurizedandatmospherictanksispresented.Theliquefactionprocesscalculationisperformed.Keywords:LNG;partialliquefaction;pressurizedtankstorage;atmospherictankstorage;processcalculation,LNG,,1压力罐储存LNG11.1LNG,,7~8MPa,,80%,,!1~3,1,32,1,23∀,,5%#,1∃,2,1.21.2.1:CH4:0.95033n-C5H12:0.00020C2H6:0.03447i-C5H12:0.00041C3H8:0.00618n-C6H14:0.00070n-C7H16:0.00112N2:0.00547i-C7H16:0.0011235%,(,)4.1MPa!70&104m3/d,69.055&104m3/d∀LNG0.6MPa1.2.23,26%T16∋A40∋第30卷第7期2010年7月煤气与热力GAS&HEATVo.l30No.7Ju.l20101LNGT17=T2=260K,p17=p2=7.0MPa,h17=-78424kJ/kmo,lp16=0.6MPa,h16=-80979.8kJ/kmo,lT16=158.887K,L=0.041,!42L0.05,T2=260K,T2,1,T4=T16=158.887K∀2T11=T4+3K=161.887K,p11=4.1MPa,h11=-87349.3kJ/kmo,lh11=h12,T12=139.209K,V12=0.21111#T10=200K,,L=1V=0T10=200K,p10=4.1MPa,h10=-84183.3kJ/kmo,lT5=179.068K∃T6T9=T2=260K,T14=T2-3K=257K,T6=235.075K(3L=0.26,3,69.055&104m3/d835.594kW,:843.249kW;555.884kW,:555.894kW;:294.283kW,:294.289kW:3,,20.51%)∋A41∋范学军,等:天然气部分液化工艺计算第30卷第7期a.,T17=260Kp17=7.0MPap16=0.6MPa,P1=676kWb.7MPa,4.1MPa7.0MPaP2=570kW,P1/P2=1.185,7.0MPa,,2常压储罐,,,LNG22LNG,LNG,2,0.12MPa,37.375%,LNG,13.8%,80%,:(1962-),,,,,:[phone]E-mail:[e-mail]:2010-01-15;:2010-01-30∋A42∋第30卷第7期煤气与热力