增加煉油廠能效.ppt

Compabloc heat exchangers Future of energy savings in refinery Compabloc全焊接板式換熱器 煉油廠節(jié)能的未來(lái),Nov. 18，2009 佛山,Janet Quah 亞太區(qū)煉油市場(chǎng)經(jīng)理 阿法拉伐帕奇諾公司 官木松 煉油事業(yè)部 部門經(jīng)理 阿法拉伐（上海）技術(shù)有限公司, Alfa Laval,Slide 2,Outline of presentation講演議題,Energy consumption in refining process 煉油廠能耗分布 Process heat exchangers why change from shell and tube to Compabloc? 為什么管殼式工藝換熱器可以被Compabloc替代？ Energy savings possibility in refinery 煉油廠節(jié)能的可行性 Individual exchangers換熱器點(diǎn)對(duì)點(diǎn)的替換 Process integration 換熱網(wǎng)絡(luò)優(yōu)化 Success stories in China 中國(guó)安裝案例分析 Summary 總結(jié), Alfa Laval,Slide 3,Energy consumption in refining,煉油廠能耗分布source EIA, USA, Alfa Laval,Slide 4,Why change from shell and tube to Compabloc heat exchanger?為什么管殼式工藝換熱器可以被Compabloc替代？, Alfa Laval,Slide 5,Possible to replace multiple shell and tube in series by one Compabloc unit一臺(tái)Compabloc替代多臺(tái)管殼式換熱器成為可能,Energy savings possibility in refinery 煉油廠節(jié)能的可行性 Compabloc design and customer value Compabloc 換熱器設(shè)計(jì)理念和客戶獲得的價(jià)值,Out,In,Out,In,T1,T2,T1,T2,Close temperature approach: down to 5C 溫度端差可以達(dá)到5C,Temperature cross 溫度交叉,(T in - T out ) MTD,NTU =,MTD, Alfa Laval,Slide 6,PetroPlus, UK Atmospheric distillation unit 常減壓裝置,Atmospheric residue常渣 300 000 kg/h 16590 C, PD 80 kPa Boiler feed water鍋爐給水 140 000 kg/h 148 50 C, PD 60 kPa 2 Compabloc in SS 316L/320 m2 兩臺(tái)316L材質(zhì)， 單臺(tái)換熱面積320m2 In continuous operation since beginning of 2002. 2002年開(kāi)始投用, Alfa Laval,Slide 7,液液熱量回收案例 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 加氫裂化裝置 Compabloc for Steam generation 蒸汽發(fā)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. 發(fā)生的蒸汽相當(dāng)于回收熱量8.4MW, Alfa Laval,Slide 9, Alfa Laval,Slide 10,ExxonMobil, Netherlands - Hydrocracker Compabloc for Steam generation 蒸汽發(fā)生器,Steam generator蒸汽發(fā)生器,Water pre-heater 水預(yù)熱器,Start Up: 2002 開(kāi)車時(shí)間2002年, Alfa Laval,Slide 11,New Building Atmospheric distillation 新建的常減壓蒸餾裝置,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 中國(guó)常減壓裝置案例分析, Alfa Laval,Slide 14,空冷,常壓塔,塔頂油罐,125 C,60 C,91 C,40 C,70C,90 C,32 C,40 C,循環(huán)水,塔頂油氣,Case study for top condenser 塔頂油氣換熱器 案例分析,熱水,塔頂三注,115 C, Alfa Laval,Slide 15,空冷,常壓塔,塔頂油罐,125 C,60 C,84 C,40 C,70C,95 C,32 C,43 C,Case study for top condenser 塔頂油氣換熱器 案例分析,120 C,循環(huán)水,塔頂油氣,熱水,塔頂三注, Alfa Laval,Slide 16, Alfa Laval,Slide 17, Alfa Laval,Slide 18,初餾塔,說(shuō)明：該加熱流程需要管殼式換熱器26臺(tái)。其中304材質(zhì)為4臺(tái)，316L材質(zhì)為18臺(tái)，317L為4臺(tái)。價(jià)格為5400萬(wàn)人民幣。不銹鋼閥門為104個(gè)（不含跨線閥門），價(jià)格未計(jì)算在內(nèi),初底油 196295C,HVGO,減渣,部分脫后原油, 170211C,LVGO,常壓爐前換熱網(wǎng)絡(luò), Alfa Laval,Slide 19,初餾塔,閃底油196295度,減三中及減三線,減渣II,脫后原油170211度,常二中,說(shuō)明：該加熱流程需要管殼式換熱器10臺(tái)。其中316L材質(zhì)為8臺(tái)，317L材質(zhì)為2臺(tái)，價(jià)格為2600萬(wàn)人民幣。不銹鋼閥門為40個(gè)（不含跨線閥門），價(jià)格未計(jì)算在內(nèi),常壓爐前換熱網(wǎng)絡(luò), Alfa Laval,Slide 20,Summary 總結(jié),High efficiency 換熱效率高 = Reduce size and number of heat exchangers 減少設(shè)備體積，占地面積和設(shè)備數(shù)量 Close temperature approach 更低的換熱溫差 = Energy savings 節(jié)能 High turbulence 高湍流流動(dòng)狀態(tài) = Low fouling 操作周期大大延長(zhǎng) High grade material 不銹鋼材質(zhì) = No cor