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摘要: |
本文详细介绍了应用DCS对液化气吸收塔的工艺参数实现选择性控制的原理和方案,以及现场仪表的选型和实施。介绍了RS3型装置级的DCS系统,并应用RS3的ACTION语句,对含有优先权的约束条件进行了编程及如何应用组态方法建立选择性控制系统。 |
关键词: 分散控制系统 液化气 吸收塔 DCS 脱硫装置 |
DOI: |
分类号:TE644 TE969.03 |
基金项目: |
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Application of DCS Selective Control in LPG Desulfurizing Unit |
Liao Jia
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Abstract: |
The principle and scheme of selective control on process variables of LPG absorbing tower by use of DCS is explained in detail, including the selection and implementation of field instrument. |
Key words: DCS, LPG absorbing tower, selective control, configuration, application |