本文選題：催化裂化 + MIP-CGP��； 參考：《華東理工大學(xué)》2017年碩士論文

【摘要】：催化裂化是重油輕質(zhì)化工藝之一,在我國(guó)煉廠中有極其重要的地位。圍繞汽油降烯烴,我國(guó)開發(fā)了不少衍生工藝,其中MIP技術(shù)是其中應(yīng)用最廣泛的一種。為適應(yīng)市場(chǎng)對(duì)低碳烯烴的需求,在MIP技術(shù)的基礎(chǔ)上,又發(fā)展了既降低汽油烯烴又多產(chǎn)丙烯的MIP-CGP技術(shù)。為了給煉廠生產(chǎn)操作優(yōu)化提供數(shù)據(jù)支撐,本論文開展了 MIP-CGP工藝反應(yīng)過(guò)程的建模研究。本論文深入分析了催化裂化反應(yīng)機(jī)理、MIP-CGP工藝特點(diǎn),以九江石化MIP-CGP裝置為對(duì)象,以實(shí)測(cè)工業(yè)數(shù)據(jù)為研究基礎(chǔ),建立了 MIP-CGP工藝8集總反應(yīng)動(dòng)力學(xué)模型。以Matlab為計(jì)算平臺(tái),運(yùn)用龍格庫(kù)塔法計(jì)算反應(yīng)動(dòng)力學(xué)方程組,使用遺傳算法估算了 22組反應(yīng)動(dòng)力學(xué)參數(shù),并對(duì)模型進(jìn)行了驗(yàn)證計(jì)算,在驗(yàn)證了預(yù)測(cè)計(jì)算結(jié)果與實(shí)際測(cè)量結(jié)果誤差在合理范圍內(nèi)的基礎(chǔ)上,再進(jìn)一步對(duì)反應(yīng)溫度、劑油比進(jìn)行了優(yōu)化預(yù)測(cè)計(jì)算,與原工況的實(shí)測(cè)數(shù)據(jù)相比,在優(yōu)化操作條件下汽油產(chǎn)率升高2.12個(gè)百分點(diǎn)。結(jié)果表明MIP-CGP工藝8集總反應(yīng)動(dòng)力學(xué)模型具有良好的可靠性和預(yù)測(cè)精度,計(jì)算結(jié)果和產(chǎn)物分布均符合催化裂化的反應(yīng)規(guī)律,可為九江石化煉廠MIP-CGP工藝裝置操作優(yōu)化提供指導(dǎo)。
[Abstract]:Catalytic cracking is one of the heavy oil and light chemical technology, and plays an extremely important role in Chinese refineries. In China, many derivation processes have been developed for reducing olefin in gasoline, among which MIP technology is the most widely used one. In order to meet the demand of low olefins in the market, the MIP-CGP technology, which can reduce olefin in gasoline and produce more propylene, was developed on the basis of MIP technology. In order to provide data support for refinery operation optimization, the modeling of MIP-CGP process reaction process was carried out in this paper. In this paper, the characteristics of MIP-CGP process of FCC reaction mechanism are analyzed in depth. Taking the MIP-CGP plant of Jiujiang Petrochemical Company as an object, and taking the measured industrial data as the research basis, the 8 lumped reaction kinetics model of MIP-CGP process is established. Based on Matlab and Runge-Kutta method, 22 groups of reaction kinetic parameters are estimated by genetic algorithm, and the model is verified and calculated. On the basis of verifying that the error between the predicted calculation result and the actual measurement result is within a reasonable range, the reaction temperature and the ratio of agent to oil are further optimized and forecasted, which is compared with the measured data under the original working condition. Under the optimized operating conditions, the gasoline yield increased by 2.12 percentage points. The results show that the 8 lumped reaction kinetic model of MIP-CGP process has good reliability and prediction accuracy, and the calculated results and product distribution all accord with the reaction law of FCC, which can provide guidance for the operation optimization of MIP-CGP process in Jiujiang Petrochemical Refinery Plant.
【學(xué)位授予單位】：華東理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TE624.41

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