在 -86°C级联制冷装置上进行实验研究,使用环保制冷剂R290-R170
Zhan Liu1,2, Kaifeng Yuan3, Yunzhi Ling3
1State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou, 221116, China. liuzhanzkd@cumt.edu.cn.
Environmental science and pollution research international
|August 17, 2023
概括
这项研究展示了一个级联制冷系统 (CRS),使用环保制冷剂达到-86°C,这对于COVID-19疫苗冷链安全至关重要. 实验数据提供了对超低温冷器性能的见解.
科学领域:
- 热力学和制冷工程 热力学和制冷工程
- 可持续能源解决方案 可持续能源解决方案
- 疫苗冷链管理 疫苗冷链管理
背景情况:
- 超低温制冷对于疫苗冷链完整性至关重要,特别是对于COVID-19疫苗.
- 现有的制冷系统在安全和可持续地保持所需的低温方面面临着挑战.
- 环境友好型制冷剂越来越多地被寻求用于级制冷系统 (CRS),以满足超低温需求.
研究的目的:
- 实验性地研究一套设计达到-86°C的级联制冷系统 (CRS) 的性能.
- 评估自然制冷剂 (R290和R170) 在用于超低温应用的CRS中的使用情况.
- 为温度敏感疫苗的可靠储存和分发提供关键的实验数据.
主要方法:
- 使用R290 (高温) 和R170 (低温) 制冷剂的CRS的建造和实验测试.
- 分析拉下性能和在不同的环境温度下稳定的操作条件 (干燥和湿泡).
- 监控系统运行特征和温度变化在 -86°C的冰箱.
主要成果:
- 通过使用使用自然制冷剂R290和R170.0的CRS成功生成了-86°C.
- 详细的实验数据对冷机的拉下特性和稳定的运行性能.
- 在测试条件下对功耗和操作特征的评估.
结论:
- 开发的CRS有效地实现并保持-86°C,适合关键疫苗储存.
- 这项研究为产生-86°C的CRS提供了第一个实验测量,增强了超低温制冷数据.
- 这些发现有助于更深入地了解-86°C超低温冷器的性能,支持冷链安全性.
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