DCS控制系统在焦炉煤气制甲醇中甲醇精馏工序的应用  

Application of DCS control system in methanol rectification process of coke oven gas to methanol

作　　者：王蕾 张碧帅 WANG Lei;ZHANG Bishuai(Shanxi Industrial Equipment Installation Group Co.,Ltd.,Taiyuan Shanxi 030032,China;Shanxi Xingxin Safety Production Technology Service Co.,Ltd.,Taiyuan Shanxi 030024,China)

机构地区：[1]山西省工业设备安装集团有限公司,山西太原030032 [2]山西兴新安全生产技术服务有限公司,山西太原030024

出　　处：《山西化工》2022年第1期176-178,共3页Shanxi Chemical Industry

摘　　要：甲醇精馏工序为焦炉煤气制备甲醇工艺必不可少的环节,为提升最终甲醇的纯度和质量,在对甲醇精馏工序简单概述的基础上,提出了与其相匹配控制系统的功能要求和功能实现思路;以常压塔压力和温度控制为对象,基于PID、串接联合控制方式完成DCS控制系统的设计,并完成关键仪表选型和相应组态软件和控制程序流程的设计。Methanol rectification process is an indispensable link in the process of preparing methanol from coke oven gas.In order to improve the purity and quality of final methanol,based on the brief overview of methanol rectification process,the functional requirements and functional realization ideas of its matching control system are put forward.Taking the pressure and temperature control of atmospheric tower as the object,the design of DCS control system is completed based on PID and series joint control mode,and the selection of key instruments and the design of corresponding configuration software and control program flow are completed.

关 键 词：焦炉煤气 甲醇 精馏 常压塔 DCS控制系统 

分 类 号：TQ522.6[化学工程—煤化学工程]