硫酸盐结晶的MVR控制系统设计  

Design of Sulfate Crystal MVR Control System

作　　者：高远 杨侠[1] 刘根战 陈晓东 康昊 GAO Yuan;YANG Xia;LIU Gen-zhan;CHEN Xiao-dong;KANG Hao(School of Mechanical & Electrical Engineering,Wuhan Institute of Technology,Wuhan 430073,China;Xi′an Aerospace Engine Co.,Ltd.,Xi′an 710100,China)

机构地区：[1]武汉工程大学机电工程学院,湖北武汉430073 [2]西安航天发动机有限公司,陕西西安710100

出　　处：《机械工程与自动化》2019年第3期1-3,共3页Mechanical Engineering & Automation

基　　金：国家自然科学基金资助项目(51276131)

摘　　要：针对某企业的硫酸盐溶液蒸发结晶项目,介绍了MVR技术的应用及原理,并根据MVR技术原理,提出了将MVR技术应用于硫酸盐溶液蒸发结晶的工艺流程,同时对MVR技术的自动控制系统进行整体设计及硬件设计。控制系统通过PLC与变频器相结合的控制方式,对机械式蒸汽压缩机、进料泵、出料泵、强制循环泵等实现自动控制,同时可对硫酸盐溶液的浓缩、蒸发、结晶过程中的液位、温度及流量等工艺参数进行监测控制。This paper introduces the application and principle of MVR technology in the project of evaporative crystallization of sulphate solution in an enterprise.According to the principle of MVR technology,the technological process of using MVR technology to vaporize and crystallize sulfate solution is proposed,and the overall design and hardware design of the automatic control system of MVR technology are carried out.The control system realizes the automatic control of mechanical steam compressor,feed pump,discharge pump and forced circulation pump by means of PLC combined with frequency converter.At the same time,the technological parameters such as concentration,evaporation,liquid level,temperature and flow in the crystallization process of sulfate solution can be monitored and controlled.

关 键 词：蒸发结晶 MVR技术 自动控制系统 硫酸盐 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]