65000m^3·h^(-1)空分设备分子筛纯化系统逻辑控制

Logic control of molecular sieve purification system of 65000m^3·h^(-1) air separation plant

简介鹤壁煤电股份有限公司化工分公司空分厂65000m3·h-1空分设备分子筛纯化系统结构和工艺流程,介绍分子筛纯化系统阀门自动开关控制逻辑、顺控程序自动/手动运行、顺控程序执行过程,以及根据现场生产运行实际情况,对分子筛吸附器顺控组态程序进行的优化改进。

The structure and technical process of molecular sieve purification system of 65000m3/an air sepa- ration plant of Hebi coal and electeicity 600 ktpa methanol project are briefed,automatic valve closing / opening logical control of molecular sieve purification system, automatic / manual operation sequence control program,im- plementation of the sequence control program and optimized reform of the sequence control configuration program of the molecular sieve absorber in accordance with site operation conditions are described.