多目标优化和质量集成的热电联合系统的生命周期评估
Jiawen Yang1, Chengyun Li1, Junfeng Teng1
1College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
The Science of the total environment
|August 28, 2024
概括
本研究引入了一种新的热电综合系统,优化其效率和投资回报率 (ROI),同时评估环境影响. 该系统显示了可以忽略不计的全球变暖潜力,强调了可持续发展的机会.
科学领域:
- 热力学和能源系统工程 热力学和能源系统工程
- 可持续能源技术 可持续能源技术
- 环境科学与技术 环境科学与技术
背景情况:
- 越来越多的人认识到气候变化推动了对绿色能源技术创新的需求.
- 热电联产 (CHP) 系统对于高效的能源利用至关重要.
- 需要新的系统设计来提高性能并最大限度地减少对环境的影响.
研究的目的:
- 提出和分析一个新的质量集成的热电综合系统.
- 进行全面的能源,电力和技术经济分析.
- 通过生命周期评估 (LCA) 评估系统的环境影响.
主要方法:
- 开发一种新的质量集成联合热电系统.
- 集成多项式回归和非主导排序遗传算法III进行优化.
- 能源,能量,技术经济和生命周期评估 (LCA) 分析.
主要成果:
- 废热回收热交换器表现出最高的能量破坏 (674.61千瓦).
- 中间热交换器 (IHX2) 显示较低的能量破坏 (<32.00 kW),但具有显著的成本和改进潜力.
- 优化的系统实现了0.17的热效率,0.97的功率效率和0.30的ROI.
- 生命周期测试结果显示,全球变暖和臭氧产生影响微不足道 (<4.20).
结论:
- 拟议的系统显示了高的能量效率和积极的ROI.
- 建设和运营阶段对环境影响最大,需要采取有针对性的保护措施.
- 可持续发展需要解决原材料采购和工作流体的准备,以尽量减少排放.
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