直冷式制冰机冰模蒸发器制冷剂侧模拟与优化

张博文; 张志强; 赵红霞; 辛公明; 程义广; 李广鹏

doi:10.12465/j.issn.0253-4339.2025.05.086

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直冷式制冰机冰模蒸发器制冷剂侧模拟与优化

更新时间：2025-09-29

- 直冷式制冰机冰模蒸发器制冷剂侧模拟与优化
- Simulation and Optimization of Refrigerant Side of Ice Mold Evaporator in Direct Cooling Ice Maker
- 制冷学报 2025年46卷第5期页码：86-95
- 作者机构：
  
  1.山东大学能源与动力工程学院　济南　250061
  2.山东宝成制冰设备有限公司　聊城　252400
  3.山东商业职业技术学院冷链物流与供应链产业学院　济南　250103
- 作者简介：
  
  赵红霞，女，教授，山东大学能源与动力工程学院，0531-88399475，E-mail：hongxia.zhao@sdu.edu.cn。研究方向：CO2制冷热泵新循环理论分析，喷射式制冷技术，喷射器的理论研究。
- 基金信息：
- DOI：10.12465/j.issn.0253-4339.2025.05.086
  中图分类号： TB61⁺1;TB657
- 收稿日期：2024-05-09，
  
  修回日期：2024-06-12，
  
  录用日期：2024-08-26，
  
  纸质出版日期：2025-10-16
- 稿件说明：
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张博文, 张志强, 赵红霞, 等. 直冷式制冰机冰模蒸发器制冷剂侧模拟与优化[J]. 制冷学报, 2025,46(5):86-95.

Zhang Bowen, Zhang Zhiqiang, Zhao Hongxia, et al. Simulation and Optimization of Refrigerant Side of Ice Mold Evaporator in Direct Cooling Ice Maker[J]. Journal of refrigeration, 2025, 46(5): 86-95.
张博文, 张志强, 赵红霞, 等. 直冷式制冰机冰模蒸发器制冷剂侧模拟与优化[J]. 制冷学报, 2025,46(5):86-95. DOI： 10.12465/j.issn.0253-4339.2025.05.086.

Zhang Bowen, Zhang Zhiqiang, Zhao Hongxia, et al. Simulation and Optimization of Refrigerant Side of Ice Mold Evaporator in Direct Cooling Ice Maker[J]. Journal of refrigeration, 2025, 46(5): 86-95. DOI： 10.12465/j.issn.0253-4339.2025.05.086.

摘要

针对直冷式制冰机在工业应用中的定量研究较少，存在调控机制不明晰，换热能力和制冰均匀性不足等问题，构建了冰模蒸发器制冷剂侧数学模型并利用MATLAB模拟仿真，对比实验数据和模拟结果，分析了换热和流动参数随流动过程和制冰时间的变化。结果表明：水结冰前换热速率比水结冰后高约30%，且制冷剂流量存在明显差异；过热前后热流密度降低40.9%，减少过热段可以显著增强换热，提高换热均匀性；过热前水侧和冰侧热阻分别占总热阻的93.4%和91.7%，换热优化时应优先提高水侧或冰侧换热。该模拟程序可以预测流量变化情况、模拟过热段长短，为制冰机的设计和运行控制提供了理论依据和实际指导，有助于提高产品性能并加速制冰过程。

Abstract

Quantitative research on the industrial application of direct cooling ice makers is limited

resulting in a lack of clarity in control mechanisms and inadequate heat transfer capability and uniformity in ice making. A mathematical model focusing on the refrigerant side of the ice mold evaporator was established

and a MATLAB simulation model was used to analyze the changes in heat transfer and flow parameters in the flow direction throughout the ice-making process

with comparisons drawn between the experimental data and the simulation results. The heat transfer rate before water icing was approximately 30% higher than that after water icing

and the refrigerant flow rates were significantly different. The heat flux in the superheat region decreased by 40.9% compared to that in the two-phase region

and reducing the superheat section can significantly enhance heat transfer and improve temperature uniformity. The thermal resistances of the water and ice sides accounted for 93.4% and 91.7% of the total resistance

respectively. Thus

the heat transfer of the water side or ice side should first be improved to optimize heat transfer. The simulation model can predict the change in the flow rate and simulate the superheat section

which provides a theoretical basis and practical guidance for the design and operation control of an ice-making machine and helps to improve the product performance and accelerate the ice-making process.

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references

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