CHEMICALENGINEERINGDESIGN2011215*124010。《》GB50350-2005《》SY/T0515-2007①②③、。50μm。K1K2、K3K41。。。。11.121。1、、。。1.234。。。FG=MPρL-ρVggcρVFD=π/8CDD2PUV2ρVgcUTUT=4gDPρL-ρV3CDρVUV<UT。UV=0.75UTSaud-ers-BrownUT=KρL-ρVρ槡V81*。2007。。04277824124E-mailfghik@sina.com。**“”2009ZX05039。2011215K=4gDp3C槡D。。K。K。K1。KK。CD1。1KK1≤P1≤15K=0.1821+0.0029P+0.0460lnP15≤P1≤40K=0.3540≤P1≤5500K=0.430-0.023lnPGPSA0≤P2≤1500K=0.35-0.01P-100/100K=0.20K'=0.6~0.8KK'=K/2、、K'=0.7~0.8KK=4gDp3C槡DCD=expYY=8.411-2.243X+0.273X2-1.865E-2X3+5.201E-4X4X=ln0.95+8ρVDPρL-ρVμV21.31NLLLLL。2NLLHLL。LLLHLL。。。。1.4DVD=4QVπU槡VDVD。DVD6inDD。1。HT=HLLL+HH+HS+HLLN+HD。1.51。LLLNLLHLL。HLL。。VH+VS=LAT-AVD+ALLL。AVD1~2ft20%。。。LUAH≥HVUT291CHEMICALENGINEERINGDESIGN2011215。。。2.11UT=KρL-ρVρ槡Vft/sUV=0.75UT1KQV=WV3600ρVft3/s2DVD=4QVπU槡Vft3~6in6in。3QL=WL60ρLft3/minVH=THQLft34VS=TsQLft32。2ftLLLin<300psia>300psiaLLLin≤415696156108156111066121266131666155HH=VHπ/4DV2ft1ft。6HS=VSπ/4DV2ft6in。7HLIN=12+dNHLIN=12+1/2dNdn≥4Qmπ60/ρ槡m0.5Qm=QL+QVft3/sρm=ρLλ+ρV1-λlb/ft3λ=QL/QL+QV8①②HD=0.5DVHD=36+0.5dNinHD=24+0.5dNin。96in1ft。10HTHT=+HLLL+HH+HS+HLIN+HD+HMEftHME9HME=0。2.22.2.11QV=WV3600ρVft3/sQL=WL60ρLft3/min2UV=0.75UTUT=KρL-ρVρ槡Vft/s3VH=THQLft34VS=TSQLft35L/D2D=4VH+VS0.6πL/D1/3ft0.5ftAT=πD2/40220112152HLLL=0.5D+7inDft。D≤4'HLLL=9in。63HLLL/DALLL/ATALLL。3YabcdefghiA-4.755930×10-53.9240910.174875-6.3588055.6689734.018448-4.916411-1.801705-0.145348B0.0015375626.7871013.299201-22.92393224.353518-14.844824-36.99937610.5295729.892851①Y=4.755930×10-5-0.174875X+5.668973X2-4.916411X3-0.145348X41+3.924091X-6.358805X2+4.018448X3-1.801705X4②AH/D→A/ATHv/D→Av/ATy=A/ATx=H/D③BA/At→H/DAv/AT→Hv/Dy=H/Dx=A/At7AV0.2D1ft。0.2D2ft。HV0.2D2ft1ft。HV/DAV/ATAV。8L=VH+VS/AT-AV-ALLLft9=HV/UVsUVA=QV/AVft/s10LMIN=UVAft11L<LMINL=LMIN。LLMINHV7。L>LMIN。LLMINHVLLMIN。7HVHV7。L/DL/D>6.0D6。L/D<1.5D5。12。136in。1.5<L/D<6.0。143ANLL=ALLL+VH/LHHLL=D-HV2.2.2、1s=PD2SE-1.2P+tcin2S=πDLft23s=PD2SE-0.2P+tcin4S=1.09D2ft25s=PD4SE-0.4P+tcin6S=1.571D2ft27s=0.885PD4SE-0.1P+tcin8S=0.842D2ft29W=490tAS+2AH12lbPpsig+15~30psi10%~15%TT>200+25~50T<200250t12CHEMICALENGINEERINGDESIGN2011215in。34。4×104m3/d/MPa/℃mm15300.05/0.50~20/55D3227×97002300.05/0.50~20/55D1219×21342300.05/0.50~20/55D1600×45002。4。。41《》《》。2、、、。3《》《》。Aft2ALLLft2ATft2Avft2AVDft2CDDftinDPftdNinDftinDVDftDvftEFDlbfFGlbfg32.17ft/s2Hftgc32.17lbm/ft/lbfs2HDftHHftHLftHLINHLLLftHMEftHSftHTftHvftKft/sLftLMIN/ftMPlbfPpsigpsiaQLft3/minQMft3/sft3/minQVft3/sft3/minSpsiTHminTSmintcinthintsinUAHft/sUTft/sUMft/sUVft/sUVAft/sVHft3VLLLLLLft3VSft3VTft3WlbmλμvcPρLlb/ft3ρMlb/ft3ρvlb/ft3sθminλ2522201121590%、。3。3kt/a4046704370.83991.63542.33165.65106.84760.73、。3.2.2670kt/a2040kt/a、。4。41774kt/a1370kt/a+670kt/akg/h4205044630kg/h3962455430kg/h-4653-4296m3/h598538kW24882224MW64.7940.33MJ/h533008.79504105.03①②《》MJ/h。4670kt/a。3.2.348333020。1/3。1400kt/a670kt/a。4190%、、。C9A、。2C9A、C7A、。1.P.CN01131953.42001-10-22.2011-06-14檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪22HLLLHLLLLLNLLMV1GB50350-2005S.2005.2SvrcekW.Y.andMonneryW.D..DesignTwo-PhaseSep-aratorsWithintheRightLimitsJChemicalEngineeringPro-gress1993October53-60.3.1M.199335-37.4DEP31.22.05.11-Gen.Gas/LiquidSeparators-TypeSe-lectionandDesignRules.DesignandEngineeringPracticeUsedbyCompaniesoftheRoyalDutch/ShellGroup.19969-10.5SY/T0515-2007S.2008.2011-02-07522011215ABSTRACTSOFCHEMICALENGINEERINGDESIGNABSTRACTSProbeonFeedstockRouteofMethanolProductionfromNaturalGasandCoalZhouFang,etal(ChinaChengdaEngineeringCo.,Ltd.,Chengdu610041)Introducetheprocessprincipleofthehydrogenandcarbonbeingcomplementaryinco-productionofmethanolfromnaturalgasandcoal,comparetheprocessflows,rawmaterialconsumptions,coalgasshiftrates,CO2emissions,powerconsumptions,investmentsandeconomiesamongthemethanolproductionfromnaturalgasorcoalandtheco-production,andpointoutthattheco-productionfromnaturalgasandcoalcanbecomplementaryforhydrogenandcarbon,andminimizethecoalgasshiftrate.Theco-productionfromnaturalgasandcoalhascertainadvantageovertheotherprocessesinboththerawmaterialandpowerconsumption,CO2emissionandtheinvestmentandeconomics,andisabetterfeedstockrouteformethanolproduction.Keywordsco-productionfromnaturalgasandcoalmethanolprocesscomparisonTypeSelectionofTrayforCO2AbsorptionTowerinLowTemperatureMethanolPurificationProcessZhangXin,etal(LanzhouBranchofBeijingAerospaceWanYuanCoalChemicalEngineeringTechnologyCo.,Ltd.,Lanzhou730050)DeterminethetypeoftowertrayinvarioussectionoftheCO2absorptiontowerbyusingthethermodynamicmodelandthegeneralprocessingsimulationsoftwaretosimulatetheCO2absorptiontowerdividedintothreesections.KeywordslowtemperaturemethanolpurificationprocessCO2absorptiontowerBDHMVGConsiderationofFlareSystemDesigninLarge-scalePetrochemicalComplexWuDengzhong(ChinaHuanqiuContracting&EngineeringCorporation,Beijing100029)Flaresystemdesignisanimportantpartofthepetrochemicalcomplex,whichhasabearingonthesafe,long-timestableoperationforthecomplex.Thisarticlediscussesthedesignconsiderations,theparameterstobedeterminedandtheproblemstobepaidattentionfromthedesignreality.Keywordspetrochemicalindustryflaredesignmainpointfl