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通过利用LURGI甲醇工厂的工艺流浪热来优化发电

Shahram Karimi¹, Alireza Safavi¹, Saman Bahram¹

¹Zagros Petrochemical Company, Technical Engineering Department, Asaluyeh, Iran.

|May 21, 2024

概括

这项研究提出了一种有机兰金循环 (ORC),用于回收甲醇生产中的废热,用于发电. 该系统可以生产高达10兆瓦的电力,提高能源效率并减少二氧化碳排放.

科学领域:

石化工程是石油化学工程的重要组成部分.
热力学是一种热力学.
恢复能源恢复能源

背景情况:

石化业务往往低利用某些热源,导致能源效率低下.
有效的废热回收 (WHR) 对于提高工业过程的可持续性至关重要.

研究的目的:

为了研究Lurgi甲醇工厂的废热潜力,用于发电.
为废热回收提出和分析一个有机兰金循环 (ORC) 系统.
为最大限度的电力生产和经济可行性优化ORC系统.

主要方法:

分析Lurgi甲醇工厂的工艺流,以确定废热来源.
有机兰金循环 (ORC) 系统的实施.
三种工作流体 (R600a,R134a,R11) 的性能比较分析.
使用遗传算法进行多目标优化,以提高功率并最大限度地降低成本.
使用概率分析和ROI计算进行经济评估.
限制优化考虑冷却水流量限制.

主要成果:

干燥和异热态工作流体 (R600a,R11) 显示出最佳的电力生产 (9-10兆瓦),回报率为16%.
由于原始甲醇出口温度较低,R600a被选为优越的流体.
在冷却水流量限制 (3000/小时) 的情况下,该系统产生大约7.5兆瓦的净电力.
拟议的WHR-ORC系统每年可以减少高达4万的二氧化碳排放量.

结论:

使用ORC的废热回收对甲醇工厂来说是经济可行的,技术可行的.
优化的ORC系统显著提高了能源效率,并减少了对环境的影响.
这种方法为实现更可持续的甲醇生产实践提供了一条途径.

关键词:

减少二氧化碳排放减少二氧化碳排放有机的兰金循环是兰金循环.石化许可证的授权者提供石油化学许可证.具体的能源消耗具体的能源消耗废热回收是废热的回收.

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