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1.中国科学院理化技术研究所 北京 100190
2. 中国科学院大学 北京 100049
3. 低温科学与技术重点实验室 北京 100190
田长青,男,研究员,中国科学院理化技术研究所,010-82543696,E-mail:chqtian@mail.ipc.ac.cn。研究方向:冷链技术与装备、汽车热系统、热泵技术。
修回:2025-08-02,
录用:2025-08-13,
网络出版:2026-01-30,
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赵建勋,黄铭暄,唐明生等.蔬菜产地冷加工碳减排关键点位及可行路径研究[J].制冷学报,
Zhao Jianxun,Huang Mingxuan,Tang Mingsheng,et al.Key Points and Feasible Paths for Carbon-Emission Reduction in Cold Processing of Vegetable-Producing Areas[J].Journal of Refrigeration,
赵建勋,黄铭暄,唐明生等.蔬菜产地冷加工碳减排关键点位及可行路径研究[J].制冷学报, DOI:10.12465/issn.0253-4339.20250528001. CSTR: XXXXX.XX.XXX.20250528001.
Zhao Jianxun,Huang Mingxuan,Tang Mingsheng,et al.Key Points and Feasible Paths for Carbon-Emission Reduction in Cold Processing of Vegetable-Producing Areas[J].Journal of Refrigeration, DOI:10.12465/issn.0253-4339.20250528001. CSTR: XXXXX.XX.XXX.20250528001.
近年来人们对蔬菜等优质生鲜农产品的需求不断增加,在市场需求和国家政策的推动下,蔬菜产地冷加工等环节的应用率不断提高,增加蔬菜产地处理的碳排放量。本文基于已建立的产地处理碳排放计算模型,采用敏感度分析法计算模型中各参数的敏感度,分析得到产地冷加工的碳减排杠杆点为制冷剂泄漏和蔬菜损失率。根据碳减排关键点位,提出可行路径并计算碳减排预期成效。在制冷剂泄漏减排方面,采用R515B作为过渡制冷剂、R744作为最终替代制冷剂的方案,计算结果表明,R515B过渡方案由能源消耗和制冷剂泄漏引起的碳排放量均降低,可降低28.98%的产地碳排放;R744最终替代方案由制冷剂泄漏引起的碳排放量降低,但由能源消耗引起的碳排放量增加,可降低26.78%的产地碳排放。在蔬菜质量损失方面,对采收、预冷、贮藏环节分别采取机械采收、优化预冷技术、气调贮藏等方式,计算得到采用蔬菜损失率优化方案可降低11.48%的产地碳排放。将制冷剂泄漏和蔬菜损失率优化方案联合应用,可降低37.62%的产地碳排放。
In recent years, the demand for high-quality fresh agricultural products, such as vegetables, has increased continuously, and the application rate of cold processing in vegetable-producing areas has increased as well, thus resulting in an increase in carbon emissions during vegetable processing. Based on existing models, this study performed sensitivity analysis to calculate the sensitivity of each parameter and obtain the carbon-emission reduction leverage points as refrigerant leakage and vegetable loss rate. Based on the key points of carbon-emission reduction, feasible paths were proposed, and the expected effects were calculated. In terms of refrigerant leakage, a green refrigerant replacement scheme was adopted, with R515B and R744 as the transitional and final solutions, respectively. Based on calculations, the transitional and final solutions can reduce carbon emissions by 28.98% and 26.78% in producing areas, respectively. In terms of vegetable quality loss, an optimization scheme for the vegetable loss rate can reduce carbon emissions by 11.48% in the producing areas. By jointly applying the optimization schemes for refrigerant leakage and vegetable loss rate, calculation results show that using the combined optimization scheme can reduce carbon emissions by 37.62% in the producing areas.
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