氧化铝生产中四蒸发减温减压系统的改造实践

Practice on modification of temperature & pressure relief system of fourth evaporation in alumina production

四蒸发减温减压是某公司氧化铝分厂第3蒸发站和第4蒸发站使用蒸汽压力和温度调节的重要生产工序。本文介绍了采用直行程减温减压阀、机械密封和变频调速装置来控制减温水加入量的方法来改进减温减压的成功经验。

temperature and pressure relief is an important production process in evaproation No 3 and No 4 at alumina plant of a company. This paper introduces some successful experiences in modification of temperature and pressure relief by means of the method of controlling spray input through utilizing direct stroke temperature ＆ pressure relief valves, mechanical seals and speed regulating by freguency variation.