增加炼油厂能效.ppt

Compabloc heat exchangers Future of energy savings in refinery Compabloc全焊接板式换热器 炼油厂节能的未来,Nov. 18，2009 佛山,Janet Quah 亚太区炼油市场经理 阿法拉伐帕奇诺公司 官木松 炼油事业部 部门经理 阿法拉伐（上海）技术有限公司, Alfa Laval,Slide 2,Outline of presentation讲演议题,Energy consumption in refining process 炼油厂能耗分布 Process heat exchangers why change from shell and tube to Compabloc? 为什么管壳式工艺换热器可以被Compabloc替代？ Energy savings possibility in refinery 炼油厂节能的可行性 Individual exchangers换热器点对点的替换 Process integration 换热网络优化 Success stories in China 中国安装案例分析 Summary 总结, Alfa Laval,Slide 3,Energy consumption in refining,炼油厂能耗分布source EIA, USA, Alfa Laval,Slide 4,Why change from shell and tube to Compabloc heat exchanger?为什么管壳式工艺换热器可以被Compabloc替代？, Alfa Laval,Slide 5,Possible to replace multiple shell and tube in series by one Compabloc unit一台Compabloc替代多台管壳式换热器成为可能,Energy savings possibility in refinery 炼油厂节能的可行性 Compabloc design and customer value Compabloc 换热器设计理念和客户获得的价值,Out,In,Out,In,T1,T2,T1,T2,Close temperature approach: down to 5C 温度端差可以达到5C,Temperature cross 温度交叉,(T in - T out ) MTD,NTU =,MTD, Alfa Laval,Slide 6,PetroPlus, UK Atmospheric distillation unit 常减压装置,Atmospheric residue常渣 300 000 kg/h 16590 C, PD 80 kPa Boiler feed water锅炉给水 140 000 kg/h 148 50 C, PD 60 kPa 2 Compabloc in SS 316L/320 m2 两台316L材质， 单台换热面积320m2 In continuous operation since beginning of 2002. 2002年开始投用, Alfa Laval,Slide 7,液液热量回收案例 PetroPlus, UK, Alfa Laval,Slide 8,Water,120 C,179 C,180 C,215 C,Steam,Superheated steam,Mid-pump-around (MPA),221 C,MPA,220 C,MPA,186 C,MPA,181 C,ExxonMobil, Netherlands - Hydrocracker 加氢裂化装置 Compabloc for Steam generation 蒸汽发生器,MPA 221 220 C Steam 215 180 C,MPA 220 186 C Steam gen. 180 179 C,MPA 186 181 C Water 179 120 C,Water heating,Steam generation,Steam super-heating,15 tons/hour of 9 bar steam produced. Totally 8.4 MW recovered. 发生的蒸汽相当于回收热量8.4MW, Alfa Laval,Slide 9, Alfa Laval,Slide 10,ExxonMobil, Netherlands - Hydrocracker Compabloc for Steam generation 蒸汽发生器,Steam generator蒸汽发生器,Water pre-heater 水预热器,Start Up: 2002 开车时间2002年, Alfa Laval,Slide 11,New Building Atmospheric distillation 新建的常减压蒸馏装置,Petroleum Gas & Light Naphtha,Heavy Naphtha,Kerosene,Light Gas Oil (LGO),Heavy Gas Oil (HGO),Atmospheric residue,Preheated Crude oil,Distillation tower,Fired heater,Crude oil feed,120C,25-175C,150-260C,235-360C,330-380C,280-300C,350- 370C, Alfa Laval,Slide 12,Layout of crude preheat train,source NPRA paper, USA, 2006,25oC,120oC,120oC,210oC,195-200oC,280-300oC, Alfa Laval,Slide 13,China Case Studies in ADU/VDU Plant 中国常减压装置案例分析, Alfa Laval,Slide 14,空冷,常压塔,塔顶油罐,125 C,60 C,91 C,40 C,70C,90 C,32 C,40 C,循环水,塔顶油气,Case study for top condenser 塔顶油气换热器 案例分析,热水,塔顶三注,115 C, Alfa Laval,Slide 15,空冷,常压塔,塔顶油罐,125 C,60 C,84 C,40 C,70C,95 C,32 C,43 C,Case study for top condenser 塔顶油气换热器 案例分析,120 C,循环水,塔顶油气,热水,塔顶三注, Alfa Laval,Slide 16, Alfa Laval,Slide 17, Alfa Laval,Slide 18,初馏塔,说明：该加热流程需要管壳式换热器26台。其中304材质为4台，316L材质为18台，317L为4台。价格为5400万人民币。不锈钢阀门为104个（不含跨线阀门），价格未计算在内,初底油 196295C,HVGO,减渣,部分脱后原油, 170211C,LVGO,常压炉前换热网络, Alfa Laval,Slide 19,初馏塔,闪底油196295度,减三中及减三线,减渣II,脱后原油170211度,常二中,说明：该加热流程需要管壳式换热器10台。其中316L材质为8台，317L材质为2台，价格为2600万人民币。不锈钢阀门为40个（不含跨线阀门），价格未计算在内,常压炉前换热网络, Alfa Laval,Slide 20,Summary 总结,High efficiency 换热效率高 = Reduce size and number of heat exchangers 减少设备体积，占地面积和设备数量 Close temperature approach 更低的换热温差 = Energy savings 节能 High turbulence 高湍流流动状态 = Low fouling 操作周期大大延长 High grade material 不锈钢材质 = No cor