腈纶装置纺丝甬道温度控制系统升级改造  

Upgrade of the spinning loop temperature control system of acrylic fiber device

作　　者：刘洪波 靳鹰 LIU Hongbo;JIN Ying(Sinopec Qilu Branch Mechanical Power Department,Zibo Shandong 255400,China;Beijing University of Chemical Technology,Beijing 100029,China)

机构地区：[1]中国石油化工股份有限公司齐鲁分公司机械动力处,山东淄博255400 [2]北京化工大学,北京100029

出　　处：《自动化与仪器仪表》2020年第6期140-143,共4页Automation & Instrumentation

基　　金：国家自然科学基金项目:复杂重尾噪声干扰下系统模型的鲁棒辨识研究(No.61673004)。

摘　　要：腈纶装置是化工领域的重要装置。结合齐鲁石化腈纶装置的升级改造实践,采用模糊PWM解耦专家控制算法对纺丝甬道温度进行控制,通过DCS系统将纺丝机的仪表控制回路全部引入DCS中,实现纺丝机温度、压力的集中控制和显示,并通过安全仪表系统(SIS)进行了安全隐患治理,完成系统的安全联锁功能。实践表明,通过对腈纶装置的系统升级改造,降低了安全隐患,提升了控制精度和可靠性,使生产过程管理更加便捷和智能,确保了装置的安全稳定运行。The acrylic fiber device is an important device in the chemical industry.Combined with the upgrade practice of Qilu Petrochemical Acrylic Fiber Unit,the fuzzy PWM decoupling expert control algorithm is used to control the spinning tunnel temperature.The instrument control loop of the spinning machine is introduced into the DCS to realize the centralized control and display for temperature and pressure of the spinning machine,and through the Safety Instrumented System(SIS),safety hazard management is controlled,the system’s safety interlock function is arnpleted.Practice has shown that through the upgrade and modification of the acrylic fiber device system,the safety hazard is reduced,the control precision and reliability are improved,the production process management is more convenient and intelligent,and the safe and stable operation of the device is ensured.

关 键 词：模糊控制 DCS 数据采集 安全仪表系统 

分 类 号：TP207[自动化与计算机技术—检测技术与自动化装置]