مقاله Heat Exchanger Network Design for Fluid Catalytic Cracking (FCC) Unit in Refinery Plant با word
مقاله Heat Exchanger Network Design for Fluid Catalytic Cracking (FCC) Unit in Refinery Plant با word دارای 6 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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توجه : در صورت مشاهده بهم ریختگی احتمالی در متون زیر ،دلیل ان کپی کردن این مطالب از داخل فایل ورد می باشد و در فایل اصلی مقاله Heat Exchanger Network Design for Fluid Catalytic Cracking (FCC) Unit in Refinery Plant با word،به هیچ وجه بهم ریختگی وجود ندارد
بخشی از متن مقاله Heat Exchanger Network Design for Fluid Catalytic Cracking (FCC) Unit in Refinery Plant با word :
سال انتشار: 1389
محل انتشار: همایش ملی آشنایی با فناوریهای روز در زمینه مهندسی مکانیک
تعداد صفحات: 6
چکیده:
Due to the increase of economic competition,many refineries have tried to reduce production cost by decreasing energy consumption in the process. One way to improve energy efficiency of the refinery is recovering heat from hot product streams to preheat cold streams of crude by complex heat exchanger networks (HENs). Important feature of heat exchanger network design is the energy-capital tradeoff. This paper presents HEN design for the FCC unit by economical calculation for selecting optimum temperature difference and minimum energy consumption. At first to determine the all of hot and cold streams in the FCC unit, steady state simulation was carried out by the Aspen- HYSYS Refinery software. In many of HENs design a value for Tmin , base on designer experience, was assumed. In this study tradeoff between energy and capital cost has been considered for choosing optimum Tmin. According to result the optimum value of Tmin for this case study was 12C. The grid diagram for HEN in the FCC unit has been presented. The HEN that was designed in this study needs minimum energy by using 10 process-process heat exchangers that exchange energy about 76.5MW. With consideration tick-off rules, this network has also a minimum number of units.