杨瑞冬，韩之皓，刘建国，侯兆乾，蔺炜，李恒，王彦平*，巴根纳*
（内蒙古伊利实业集团股份有限公司液态奶事业部研发部，内蒙古 呼和浩特 010110）
摘要：含颗粒果酱在常温液态奶制品中的添加可以增加产品的营养价值，为保证高粘度果酱杀菌后口感真实性和无菌性，常使用果酱管式杀菌机对其进行无菌化处理。目前，尚未有成熟公开的方法，用于计算果酱管式杀菌机杀菌强度及压降。本文结合管式杀菌机特殊结构和基础物理学计算公式，建立了果酱管式杀菌机的杀菌强度及压降计算模型。通过检测不同种类果酱的动力粘度，比对模型计算值与杀菌机实际运行过程总压降，发现模型计算误差为1.72%。此外，为降低高粘度果酱在杀菌机内部的压降，本研究对果酱杀菌机进行了改造。尽管杀菌机管路截去大约三分之一，但通过降流量和调整杀菌温度，实现整机杀菌强度不降低（改造前F90 = 170.51 min，改造后F90 =171.61 min），无需投入额外成本进行无菌验证，即可保证产品的微生物安全性。本研究对高粘度果酱工业无菌化处理具有重要的指导意义。
关键词：果酱；管式杀菌机；压降；杀菌强度
Study on the Application of Calculation Model of Sterilization Intensity and Pressure Dropof Jam Tubular Sterilizer
YANG Rui-dong，HAN Zhi-hao，LIU Jian-guo，HOU Zhao-qian，LIN Wei，LI Heng，
WANG Yan-ping*，BA Gen-na*
（R&D Department of Liquid Milk Business Department of Inner Mongolia Yili Industrial Group Co.，Ltd.，
Hohhot 010110，China）
Abstract: The addition of granulated jam in normal temperature liquid dairy products can increase the nutritionalvalue of the product. In order to ensure the authenticity and sterility of the taste of high viscosity jam aftersterilization，jam tube sterilizer is often used to sterilize it. At present，there is no mature and open method tocalculate the sterilization intensity and pressure drop of jam tube sterilizer. Combining the special structure of thetubular sterilizer and the basic physical calculation formula，we established a calculation model for the sterilizationintensity and pressure drop of the tubular sterilizer of jam. By measuring the dynamic viscosity of different kinds ofjam and comparing the calculated value of the model with the total pressure drop during the actual operation of thesterilizer，it was found that the calculation error of the model was 1.72%. In addition，in order to reduce the pressuredrop of high viscosity jam in the sterilizer，the jam sterilizer was modified. Although about one-third of the sterilizerpipeline is cut off，the sterilization intensity of the whole machine is not reduced （F90=170.51min before thetransformation，and F90=171.61min after the transformation）by reducing the flow rate and adjusting the sterilizationtemperature. The product's microbiological safety can be guaranteed without additional costs for sterility verification.This study has important guiding significance for aseptic processing of high viscosity jam industry.
Key words: iam；tubular sterilizer；pressure drop；bactericidal intensity
中图分类号：TS203 文献标志码：A 文章编号：1007-7871（2023）04-0044-06
2023，Vol.26，No.4