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Annual production of 150，000 tons of MMA project abstract内容Chapter I Project Description1chapter ii raw materials and product solutions 4Chapter III Process Introduction53.1 brief description of the whole process 53 . 1 . 1 mal synthesis and purification section 53 . 1 . 2 maleste rification stage(reaction stage)63 . 1 . 3 MMA refining section(separation section)73.1.4 VOCs treatment section8chapter iv automatic control system 9chapter v energy saving technology 125.1 thermal integrated pinch technology 12Chapter VI Cleaner Production13chapter VII site selection and plant arrangement 147.1 Selection of plant location147.2 Factory layout14chapter VIII economic benefit analysis 15Chapter IX Software Application16Chapter X Project Summary1717Chapter I Project Descriptionthis project is an annual production of 150，000 tons of MMA project of PetroChina Jilin petrochemical co with MMA as The main product And by-productthe total process flow is :the air And Iso butyline are respectvely compressed by a compressor(c 0101 And c 0102)，heated，And then introducted into a tubular fiilenon-condenseable gas such as n-butane and nit rogen，mal flowing out at the bottom，water and by-product acetone，etc。Enter the acetone separation column(t 0101)。the top condenser is used to produce non-condenseable gas，And the gas at the top of the flash tank is fed into the boiler of the main plant as fueesthe liquid in the top of the tower is producted as a by-prod Uct acetone，And the mixture of mal And water in the tower enters the water separation.waste water is obtained at the bottom of the tower，And the refined mal is obtained at the top of the tower to enter the mal oxidation ester chemical ssterafter The air is compressed by The compressor(c 0201)，The mixture of mal and methanol is heated by heat exchanger e 0201，and after airthe internal gas phase discharge enters the flash tank(f 0201)for flashing，And the tank top gas phase enters the VOCs treatment sectionafter the reaction，a mixture containing MMA obtained and entered the MMA refining section。the liquid phase mixture containing MMA enters the methanol pre-separation column(t 0301)，And the non-condenseable gas producedthe methanol obtained at the top of the column enters the methanol reflux tank(v 30304)，And the waste water from the tower is discharged iningafter adding the azeo trope n-hexane to the azeot ropi C system of the liquid phase MMA And methanol in the methanol pre-separation column(t 0301the azeo trope of methanol and n-hexane enters the azeo trope separation column(t030 4)。at a pressure of 2 MPa，the top of the column was separated by an azeo tropic agent to obtain methanol，Which was introducted into a methanol referencethe n-hexane was coled by a heat exchanger e 0301 and then returned to a hexane reflux tank(v 30301)for recycling。the gas from the top of the mal oxidation ester chemical flash tank(f 0201)and the methanol pre-separation column(t 0301)Enters tersthis project is in line with the requirements of current national energy conservation And emission reduction And the 13 th five-year plan at the same time，The production of MMA products brings considerable economic benefits。the combination of economic development and social sustainable development has a Chie ved a win-win situation。at the same time，the project has improved the traditional process route，optimized the way of energy utilization，and reduced energy ccontrolchapter ii raw materials and product solutionsthe raw materials and auxiliary materials used in this project are shown in table 2-1 .table 2-1 the raw materials and auxiliary materials项目Entry规格单位Consumption酱料MaterialsIsobutylene93.8%T/h15中国石油公司JilinMethanol99.5%T/h10中国石油公司Jilin航空-Kmolh16771-Hexane是100%Kg/h36.6中国石油公司JilinAuxiliaryMaterials电气-KW32847中国石油公司Jilin清凉的水20T/h134796中国石油公司JilinFrozen brine-15T/h93420中国