集成制氢提纯单元的氢气系统优化
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摘要
为解决炼油厂加氢工艺氢气的亏缺问题,优化氢气系统,提高氢气的有效利用率,对集成制氢提纯单元的氢气系统进行详细的物料衡算分析,提出两种氢气提纯回用案例,利用改进问题表法确定氢气公用工程、中变气和制氢原料天然气的流率优化值。结果表明,在集成制氢提纯单元的氢气系统中,直接利用提纯中变气并对氢气系统进行整体优化,可以减少33.0%的制氢天然气用量和66.3%的氢气公用工程的用量。
To alleviate hydrogen deficiency in the refinery hydrogenation process, optimize the hydrogen system, and improve the effective utilization of hydrogen, detail mass balance analysis of hydrogen system was conducted, and two purification reuse scenarios were proposed. The optimal flowrates of hydrogen utility, shifted gas and natural gas were determined by using the improved problem table method. The results show that the direct utilization of the shifted gas reduces the flowrates of 33.0% of natural gas and 66.3% of hydrogen utility.
To alleviate hydrogen deficiency in the refinery hydrogenation process, optimize the hydrogen system, and improve the effective utilization of hydrogen, detail mass balance analysis of hydrogen system was conducted, and two purification reuse scenarios were proposed. The optimal flowrates of hydrogen utility, shifted gas and natural gas were determined by using the improved problem table method. The results show that the direct utilization of the shifted gas reduces the flowrates of 33.0% of natural gas and 66.3% of hydrogen utility.
引文
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[3]张毅,阳永荣,刘军,等.炼油厂氢气网络集成管理[J].石油学报(石油加工),2004,20(1):58-62.(ZHANG Yi,YANG Yongrong,LIU Jun,et al.Hydrogen network integrative management in refinery[J].Acta Petrolei Sinica(Petroleum Processing Section),2004,20(1):58-62.)
[4]ALVES J J,TOWLER G P.Analysis of refinery hydrogen distribution systems[J].Industrial&Engineering Chemistry Research,2002,41(23):5759-5769.
[5]EL-HALWAGI M M,GABRIEL F,HARELL D.Rigorous graphical targeting for resource conservation via material recycle/reuse networks[J].Industrial&Engineering Chemistry Research,2003,42(19):4319-4328.
[6]FOO D C Y,MANAN Z A.Setting the minimum utility gas flowrate targets using cascade analysis technique[J].Industrial&Engineering Chemistry Research,2006,45(17):5986-5995.
[7]邓春,周宇航,周业扬,等.具有最小压缩功的氢网络优化设计[J].化工学报,2015,66(12):4883-4887.(DENG Chun,ZHOU Yuhang,ZHOU Yeyang,et al.Optimal design of hydrogen network with minimum compression work[J].CIESC Journal,2015,66(12):4883-4887.)
[8]康永波,曹萃文,于腾.炼油厂氢气网络优化方法研究现状及展望[J].石油学报(石油加工),2016,32(3):645-658.(KANG Yongbo,CAO Cuiwen,YU Teng.Review of the optimization approaches for refinery hydrogen networks[J].Acta Petrolei Sinica(Petroleum Processing Section),2016,32(3):645-658.)
[9]ZHOU L,LIAO Z W,WANG J D,et al.Optimal design of sustainable hydrogen networks[J].International Journal Hydrogen Energy,2013,38(7):2937-2950.
[10]邓春,周宇航,李诚,等.提纯回用氢系统优化[J].高校化学工程学报,2015,29(5):1265-1270.(DENGChun,ZHOU Yuhang,LI Cheng,et al.Optimization of hydrogen recycle and purification systems in oil refinery[J].Journal of Chemical Engineering of Chinese Universities,2015,29(5):1265-1270.)
[11]JIA N,ZHANG N.Multi-component optimization for refinery hydrogen networks[J].Energy,2011,36(8):4663-4670.
[12]邓春,周业扬,陈杰,等.石化园区厂际提纯回用氢气系统优化[J].化工学报,2014,65(12):4914-4920.(DENG Chun,ZHOU Yeyang,CHEN Jie,et al.Optimization of inter-plant hydrogen system with purification reuse in petrochemical complex[J].CIESCJournal,2014,65(12):4914-4920.)
[13]DENG C,PAN H,LEE J Y,et al.Synthesis of hydrogen network with hydrogen header of intermediate purity[J].International Journal Hydrogen Energy,2014,39(25):13049-13062.
[14]LIU F,ZHANG N.Strategy of purifier selection and integration in hydrogen networks[J].Chemical Engineering Research&Design,2004,82(10):1315-1330.
[15]焦云强,苏宏业,侯卫锋.炼油厂氢气系统优化调度及其应用[J].化工学报,2011,62(8):2101-2107.(JIAO Yunqiang,SU Hongye,HOU Weifeng.Optimal scheduling of hydrogen system in refinery and its application[J].CIESC Jorunal,2011,62(8):2101-2107.)
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[28]李庆勋,刘晓彤,刘克峰,等.大规模工业制氢工艺技术及其经济性比较[J].天然气化工,2015,40(1):78-82.(LI Qingxun,LIU Xiaotong,LIU Kefeng,et al.Technical and economic analysis for large-scale industrial hydrogen production[J].Natural Gas Chemical Industry,2015,40(1):78-82.)
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[30]PRAKASH R,SHENOY U V.Targeting and design of water networks for fixed flowrate and fixed contaminant load operations[J].Chemical Engineering Science,2005,60(1):255-268.
[31]SHARIATI M,TAHOUNI N,PANJESHAHI M H.Investigation of different approaches for hydrogen management in petrochemical complexes[J].International Journal of Hydrogen Energy,2013,30(8):3257-3267.