文章摘要
武淑琴,王仪明,柴承文,贾志慧,田贝.基于温度梯度的印刷机邻域VOCs的监测方法[J].包装工程,2017,38(1):81-86.
WU Shu-qin,WANG Yi-ming,CHAI Cheng-wen,JIA Zhi-hui,TIAN-bei.Method to Monitor the VOCs around the Printing Press Based on the Temperature Gradient[J].Packaging Engineering,2017,38(1):81-86.
基于温度梯度的印刷机邻域VOCs的监测方法
Method to Monitor the VOCs around the Printing Press Based on the Temperature Gradient
投稿时间:2016-07-15  修订日期:2017-01-10
DOI:
中文关键词: 温度场  气流场  分子动力学  VOCs监测  印刷机邻域
英文关键词: temperature field  air flow field  molecular dynamics  VOCs monitoring  printing press neighborhood
基金项目:北京市教委科技计划重点项目暨北京市自然科学基金重点项目B类(KZ201510015016);绿色印刷与出版技术协同创新中心项目;北京印刷学院科技类项目校级重点研究项目(Ea201504)
作者单位
武淑琴 1.北京印刷学院北京 1026002.数字化印刷装备北京市重点实验室北京 102600 
王仪明 1.北京印刷学院北京 1026002.数字化印刷装备北京市重点实验室北京 102600 
柴承文 1.北京印刷学院北京 1026002.数字化印刷装备北京市重点实验室北京 102600 
贾志慧 1.北京印刷学院北京 1026002.数字化印刷装备北京市重点实验室北京 102600 
田贝 1.北京印刷学院北京 1026002.数字化印刷装备北京市重点实验室北京 102600 
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中文摘要:
      目的 在研究温度梯度对印刷机邻域VOCs特征参数影响的基础上,提出监测印刷机邻域VOCs的方案,达到有效控制印刷机邻域VOCs的目的。方法 通过建立气流扩散过程的分子动力学模型,分析气体在边界条件下的扩散速度、质量浓度等参数变化特征。采用Fluent软件,模拟温度场、气流场等边界条件,对胶印机邻域VOCs气体扩散特征进行仿真分析。结合胶印印刷过程中VOCs的扩散机理及现场操作环境,检测并分析VOCs的扩散特征。结果 温度梯度对VOCs排放速度、质量浓度等特征参数的变化有较大影响,理论分析与实验结果相吻合。结论 在理论研究的基础上,提出了印刷过程中VOCs的监测及排放控制方法,为包装印刷行业VOCs的治理提供依据。
英文摘要:
      The work aims to propose the plan to monitor the VOCs around the printing press on the basis of studying the influence of temperature gradient on the characteristic parameters of VOCs around the printing press, so as to effectively control the VOCs. By establishing the molecular dynamic model of the air flow diffusion process, the characteristics of the gas parameters, such as the diffusion rate and concentration in the boundary conditions were analyzed. The Fluent software was used to simulate such boundary conditions as temperature field and air flow field, and to analyze the simulation of the gas diffusion characteristics of VOCs around the printing press during the offset printing. Combined with the diffusion mechanism of VOCs in printing process and the field operation environment, the VOCs diffusion characteristics were detected and analyzed. The result showed that the temperature gradient had a great influence on the change of such characteristic parameters as VOCs emission rate and concentration, and the theoretical analysis was in agreement with the experimental results. Based on the theoretical research, the method to monitor and control the emission of VOCs in the printing process is proposed, which provides the basis for the management of VOCs in the package printing industry.
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