| The model of 1.8Mt/a FCC plant of Daqing Refinery and Chemical Company was constructed and the optimization of different product plan of FCC unit was researched, which would be used in the macroscopic plan in future.The preliminary variables have been selected by means of studying production feature of FCC plant, analyzing the primary factor which affect different products yield of FCC unit. Based on the historical production data of FCC unit, we used selecting linear regression statistical analysis method, and the data were processed by"Statistics Package for Social Science"software. The relation of yield and different correlated variables has been found out, and three product yield models and eight correlated models of independent variable were set up. According the production practical situation, we selected three production projects by linear programming method and gained the optimization results.Using statistics and optimization of FCC unit, the model is connected with the operation situation tightly for analyzing plant operation situation, optimizing production operation and so on. For the purpose of executing about production plans, it will make a good directive function. It will offer the theoretical basis for the improvement of models. |
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