顺酐及其配套正丁烷装置的热联合节能模拟优化
Simulation and Optimization of Thermal Combined Energy Saving for Maleic Anhydride and Its Supporting n-Butane Unit
刘万广 1杨佩雯2
作者信息
- 1. 众一伍德工程有限公司(201100)
- 2. 杭州星传新材料科技有限公司(浙江杭州 310012)
- 折叠
摘要
针对顺酐装置及轻烃制丙烷-异丁烷正构装置,在设计过程中进行了热联合系统的优化改造.根据轻烃分离塔(C4组分分离塔)操作温度较低、塔顶-塔底温度梯度小的特点,合理有效地利用顺酐装置副产的大量低温位(85 ℃)热水,从项目整体设计角度实现了装置间取冷与供热的互补,实现了 1+1＞2的效果.项目中E-510和E-202的能耗由优化前的58.61 kg标准油/t产品降低至19.54 kg标准油/t产品,C4分离塔再沸器和顺酐产品冷却器的节能效率达67％.
Abstract
For the maleic anhydride unit and the light hydrocarbon propane-n-butane isomeric combined unit,the thermal combined system was optimized during the design process.By taking the advantage of the low operating tempera-ture of the light hydrocarbon separation(C4 component separation tower),a large amount of low temperature(85 ℃)hot water produced by the maleic anhydride unit was reasonably and effectively utilized,and the complementary cooling and heating between the units was realized from the overall perspective of the project,achieving a 1+1＞2 effect.For one ton of product,the energy consumption of E-510 and E-202 was reduced from 58.61 kg standard oil before optimization to 19.54 kg standard oil.The energy-saving efficiency of the C4 separation tower reboiler and maleic anhydride product cool-er reached 67％.
关键词
热联合/精馏塔/工艺设计/操作参数/模拟计算Key words
Heat integration/Rectifying tower/Process design/Operating parameter/Simulation calculation引用本文复制引用
出版年
2024
NETL
NSTL
万方数据