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硫酸生产的运动分析:使用UniSim设计的系统框架

Ulysses Guilherme Ferreira¹, Thiago Vaz da Costa¹, Sérgio Mauro da Silva Neiro¹

¹School of Chemical Engineering, Uberlândia Federal University (UFU), Av João Naves de Ávila, 2121, bloco 5K, sala 225, Santa Mônica, Uberlândia, MG 38408-100, Brazil.

|March 16, 2026

概括

本研究介绍了UniSim设计中用于硫酸生产的力分析的框架. 关键的发现表明,炉子和热交换器中的显著能量破坏,通过蒸汽压力优化有改善的潜力.

科学领域:

化学工程是化学工程的重要组成部分.
热力学是一种热力学.
工艺系统工程工艺系统工程

背景情况:

力分析对于优化化学过程和识别低效率至关重要.
传统的力分析通常需要单独的工具,使与过程模拟器的集成变得复杂.
硫酸生产是一个重要的工业过程,需要大量的能源.

研究的目的:

开发和展示一个系统的框架,直接在UniSim设计内进行力分析.
评估硫酸生产中的单位和工厂级不可逆性.
评估运营变化对能源效率和发电效率的影响.

主要方法:

在UniSim设计中实现热,机械和化学功率计算.
该框架应用于双接触硫酸工艺.
利用格拉斯曼图来可视化能量流动和损失.

主要成果:

硫燃烧炉和热交换器是能量破坏的主要来源 (>70%).
将蒸汽压力从42巴提高到60巴,减少了2381千瓦的工作损失,并增加了16%的发电量.
热交换机出口温度的优化只带来了微小的改进;固有的不可逆转性得到证实.

结论:

UniSim设计提供了一个强大的平台,用于集成的力分析.
通过操作调整,特别是蒸汽压力,提高硫酸工艺效率存在重大潜力.
开发的框架有助于对过程低效率进行透明和详细的评估.

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