石油与天然气化工
石油與天然氣化工
석유여천연기화공
CHEMICAL ENGINEERING OF OIL AND GAS
2014年
5期
483-486
,共4页
连续重整%扩能%节能设计
連續重整%擴能%節能設計
련속중정%확능%절능설계
continuous catalyst reforming%capacity expansion%energy-saving design
依托20世纪90年代中期建成投产的40×104 t/a连续重整装置的扩能改造,从装置规模、流程设置、能量综合利用等方面,采取了一系列节能措施实施改造。该装置所采取的节能改造方案包括:①结合原料特点优化进料方案,降低预处理反应部分的规模;②采用高效焊接板式换热器、双壳程换热器,提高反应进料/产物换热深度;③降低烟气出口温度,提高重整进料四合一加热炉效率;④优化换热流程,降低空冷入口温度,充分利用塔顶蒸发潜热。上述节能设计措施可将装置扩能13%,综合能耗降低502.4 M J/t。
依託20世紀90年代中期建成投產的40×104 t/a連續重整裝置的擴能改造,從裝置規模、流程設置、能量綜閤利用等方麵,採取瞭一繫列節能措施實施改造。該裝置所採取的節能改造方案包括:①結閤原料特點優化進料方案,降低預處理反應部分的規模;②採用高效銲接闆式換熱器、雙殼程換熱器,提高反應進料/產物換熱深度;③降低煙氣齣口溫度,提高重整進料四閤一加熱爐效率;④優化換熱流程,降低空冷入口溫度,充分利用塔頂蒸髮潛熱。上述節能設計措施可將裝置擴能13%,綜閤能耗降低502.4 M J/t。
의탁20세기90년대중기건성투산적40×104 t/a련속중정장치적확능개조,종장치규모、류정설치、능량종합이용등방면,채취료일계렬절능조시실시개조。해장치소채취적절능개조방안포괄:①결합원료특점우화진료방안,강저예처리반응부분적규모;②채용고효한접판식환열기、쌍각정환열기,제고반응진료/산물환열심도;③강저연기출구온도,제고중정진료사합일가열로효솔;④우화환열류정,강저공랭입구온도,충분이용탑정증발잠열。상술절능설계조시가장장치확능13%,종합능모강저502.4 M J/t。
Relying on the capacity expansion and revamp of 400 × 103 t/a CCR unit built in the 1990’s ,a series of energy saving measures were taken considering the scale ,process and energy utilization ,w hich include:optimizing the feed scheme according to the characteristics of the feed to reduce the scale of reaction ;utilizing the high-efficient welded plate heat exchanger and double shell side heat exchanger to enhance heat transfer ;decreasing the outlet temperature of flue gas to increase thermal efficiency of heating furnace;and optimizing the heat exchanger process flow to lower the inlet temperature of air cooler ,and maximizing to utilize the latent heat of evapora-tion in the top of the tower .As a result ,the processing ability increased by 13% ,while the com-prehensive energy consumption decreased by 502 .4 MJ/t .