Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

Article retrieval

文章检索

首页 >> 文章检索 >> 往年索引

超临界流体发泡挤出机温度控制系统研究

来源:电工电气发布时间:2016-04-05 16:05 浏览次数:689

超临界流体发泡挤出机温度控制系统研究 

徐天艺 
合肥会通中科材料有限公司,安徽 合肥 230088 
 

摘 要: 介绍了超临界流体发泡挤出机的温度控制系统,分析了影响挤出设备温控系统精度的因素,并提出了改进措施,即利用双通道PID 结合可控硅调整加热冷却系统的输出功率,降低了系统的热惯性与迟滞性。实验结果表明,控温精度可达到±1 ℃,极大地提高了挤出发泡制品的质量和成品率。 关键词: 超临界流体;双通道控制;可控硅;温度控制
中图分类号:TM571 文献标识码:A 文章编号:1007-3175(2013)11-0057-04


Study on Temperature Controlled System of Supercritical Fluid Foaming Extruder 

XU Tian-yi 
Hefei Orinko-zhongke Plastic Material Co., Ltd, Hefei 230088, China 
 

Abstract: Introduction was made to a supercritical fluid foaming extruder temperature control system. Analysis was made to factors impacting on the accuracy of equipment temperature control system, the improved measures were raised. Combined with thyristor adjusting output power of heating and cooling system, the double-channel PID was used to reduce thermal inertia and hysteresis. Experimental result shows that the temperature control accuracy can reach ±1℃, which greatly lifted quality and finished product percentage of extrusion foaming products.
          Key words: supercritical fluid; dual channel controller; silicon controlled rectifier; temperature control


参考文献
[1] 赵文明.对我国聚丙烯技术及市场发展的认识和思考[J].化学工业,2009,27(12):10-16.
[2] 曹现福,陈鸣才,陈德宏,等. 超临界二氧化碳在高分子合成及加工领域的应用[J]. 高分子通报,2006(7):65-70.
[3] 何继敏.新型聚合物发泡材料及技术[M].北京:化学工业出版社,2008.
[4] 宋英华,王云宽,龚利,等.注塑机料筒温度的自校正PID控制[J].中南大学学报,2007,38(1):905-909.
[5] 彭庆红.挤出机温度控制系统中PID控制器的应用[J].现代机械,2010(1):73-75.
[6] 张还.基于PLC和智能温控表的塑料挤出机温度控制系统设计[J].工程塑料应用,2010,39(1):76-79.
[7] 朱建华.塑料挤出机双通道智能温度控制系统的设计[J].轻工机械,2006,24(4):124-126.
[8] 俞洪斌,金波,舒柏和.智能PID温控系统在塑料挤出机中的应用[J].轻工机械,2007,25(5):56-60.