基于理想气体状态方程和道尔顿分压定律的气调包装气体混配系统  

Gas mixing system of modified atmosphere packaging based on ideal gas law and Dalton’s law of partial pressure

作　　者：张浩楠 康宁波[2] 何建国[2,3] 刘贵珊[2] 陈首涛 孙有瑞 陈亚鹏 ZHANG Han-nan;KANG Ning-bo;HE Jian-guo;LIU Gui-shan;CHEN Shou-tao;SUN You-rui;CHEN Ya-peng(College of Physical and Electrical Engineering,Ningxia University,Yinchuan,Ningxia 750021,China;College of Food and Wine,Ningxia University,Yinchuan,Ningxia 750021,China;College of Civil and Water Engineering,Ningxia University,Yinchuan,Ningxia 750021,China)

机构地区：[1]宁夏大学物理与电子电气工程学院,宁夏银川750021 [2]宁夏大学食品与葡萄酒学院,宁夏银川750021 [3]宁夏大学土木与水利工程学院,宁夏银川750021

出　　处：《食品与机械》2022年第2期97-103,共7页Food and Machinery

基　　金：宁夏回族自治区重点研发计划重大专项(编号:2018BCF01001);宁夏回族自治区青年科技人才托举工程项目第四批。

摘　　要：目的:解决多元气体混配系统设备稳定性差、成本高和出气流量小的问题。方法:提出基于理想气体方程和道尔顿分压定率的三元气体混配系统,并通过设计的算法不断计算误差以及调整参数,且结构上采用气缸、传感器等的连接。结果:根据相对偏差进行调整混配后,CO_(2)和O_(2)的气体浓度平均相对偏差分别为0.86%和0.75%,气体浓度精度满足<1%的技术要求,可较好地实现三元气体高精度的气体混配。结论:该系统可实现三元气体快速、无极调节,以及高精度连续化混配。Objective:In order to solve the problem of poor stability,high cost and small gas flow of ternary gas mixing equipment.Methods:A ternary gas mixing system based on the ideal gas law and Dalton s law of partial pressure was proposed,and the system calculated errors and adjusted parameters by the designed algorithm,and adopted the connection of cylinder,sensor and so on.Results:After adjusting the mixing according to the relative deviation,the average relative deviation of the gas concentration of CO_(2) and O_(2) was 0.86%and 0.75%respectively,and the gas concentration accuracy met the technical requirements of<1%,and the high-precision gas mixing of the ternary gas can be better achieved.Conclusion:The system can realize rapid and stepless regulation of ternary gas,and high-precision continuous mixing.

关 键 词：气调包装 气体混配 理想气体方程 道尔顿分压定律 

分 类 号：TS206.6[轻工技术与工程—食品科学]