MVR降膜式储能电池间接液冷系统设计及性能分析
Process Design and Performance Analysis of an Indirect Liquid-cooling System based on Mechanical Vapor Recompression(MVR)Falling Film Evaporation for Energy Storage Battery
张子惠 1韩东 1熊佳明 1林志伟 1唐培浩 1望禾镜 1何纬峰1
作者信息
- 1. 南京航空航天大学 能源与动力学院,江苏 南京 210016
- 折叠
摘要
储能电池冷却系统的设计在确保其散热效果、能效优化以及安全稳定运行方面至关重要.本文旨在提出一种新型的储能电池散热方式,以实现储能电池冷却系统的高效益和低能耗目标.基于机械蒸汽再压缩(MVR)降膜蒸发原理,首先设计了MVR降膜式储能电池间接液冷系统的具体流程形式,并利用Aspen Plus软件对系统进行仿真计算;随后将系统与冷却负荷210 kW的常规空调制冷系统实例进行了能耗和经济性对比分析,并探讨了关键热力参数对系统性能的影响.结果表明,该系统较于常规一级能效制冷系统节能效果明显,可达到 77.04%;提高冷却温度和降低压缩温升有助于进一步降低系统能耗;在210 kW冷却负荷条件下,MVR降膜式间接液冷系统投资回收期仅为2 个月,经济效益较为显著.研究表明MVR降膜蒸发技术在储能电池冷却系统中展现出潜在的节能和经济效益优势.
Abstract
The process design of energy storage battery cooling system is crucial for ensuring heat dissipa-tion effectiveness,energy efficiency optimization,and safe operation.To achieve high efficiency and low energy consumption in cooling system,this paper aims to propose a novel cooling scheme for energy stor-age battery.An MVR falling film evaporation-based indirect liquid-cooling system is designed and simulated using Aspen Plus software.Subsequently,a comparison is conducted between the proposed sys-tem and a conventional air conditioning refrigeration system,focusing on energy consumption and eco-nomic feasibility,under a cooling load of 210 kW.Meanwhile,the impact of key thermodynamic parame-ters on system performance is analyzed.The results show that the proposed system achieves considerable energy savings compared to the conventional first-level refrigeration system,with savings of up to 77.04% .Higher cooling temperature or lower compression temperature rise can further reduce the energy consumption of the proposed system.With a cooling load of 210 kW,the investment payback period for the proposed system is only 2 months,indicating significant economic benefits.This study highlights the potential of MVR falling film evaporation technology for substantial energy and economic benefits in ener-gy storage battery cooling systems.
关键词
储能电池/热管理/间接式液冷/MVR/降膜蒸发Key words
energy storage battery/thermal management system/indirect liquid-cooling/MVR/falling film evaporation引用本文复制引用
出版年
2024
NETL
NSTL
万方数据