将谷物水分调节器改装成真空蒸汽巴氏杀菌机

Q2 Engineering
Designs Pub Date : 2023-12-21 DOI:10.3390/designs8010001
Marlon Galad, S. Eshkabilov, E. Monono
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引用次数: 0

摘要

消除低水分食品(LMF)中的微生物具有挑战性,因为这需要在巴氏杀菌过程中保持其原始品质。真空蒸汽巴氏杀菌法(VSP)已被证明能有效减少微生物,同时保持食品质量。这些研究都是在实验室规模下进行的,在实验室规模下,蒸汽分布、渗透和冷凝等问题并不令人担忧,但在较大的样品中,这些问题则是首要问题。因此,本研究将中试规模的谷物水分调节器(GMC)改装成 VSP 系统,目的是在更大规模的应用中复制实验室规模的条件。这一改造需要进行一系列的设计变更,对调节室进行结构分析,创造真空环境,确保蒸汽均匀分布,设计并增加预热器和冷却系统。性能测试证实,改造后的系统复制了 VSP 的实验室规模功能。结果表明,VSP 系统可以预热到 40 ℃ 以上,在 85 ℃ 时达到 11.7 kPa 的绝对压力,压力每分钟增加 344.7 Pa。此外,腔体内的蒸汽分布没有明显变化,快速排空蒸汽和腔体冷却可同时进行。这些成功的改进将用于今后的实验。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modification of a Grain Moisture Conditioner into a Vacuum Steam Pasteurizer
Eliminating microbes in low-moisture foods (LMFs) is challenging because this requires the preservation of their raw quality during pasteurization. Vacuum steam pasteurization (VSP) has been shown to be effective in reducing microbes while maintaining food quality. These studies were conducted at a laboratory scale where issues such as steam distribution, penetration, and condensation are not a concern, but in larger samples, these are of primary concern. Hence, this study repurposes a pilot-scale grain moisture conditioner (GMC) into a VSP system with the aim of replicating the lab-scale conditions in larger-scale applications. The modification entailed a series of design alterations, conducting a structural analysis of the conditioning chamber, creating a vacuum environment, ensuring uniform steam distribution, and designing and adding a preheater and a cooling system. Performance tests confirmed that the adapted system replicates the VSP’s lab-scale functionality. The results demonstrated that the VSP system can preheat to beyond 40 °C and achieve an absolute pressure of 11.7 kPa at 85 °C with a 344.7 Pa pressure increase per minute. Furthermore, steam distribution inside the chamber showed no significant variations, and rapid steam evacuation and chamber cooling could be performed simultaneously. The success of these modifications will be used in future experiments.
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来源期刊
Designs
Designs Engineering-Engineering (miscellaneous)
CiteScore
3.90
自引率
0.00%
发文量
0
审稿时长
11 weeks
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