蒸煮过程有效碱浓度在线软测量技术研究  

The Study for the Online Soft Sensing Technology of effective Alkali Concentration in the Digester

作　　者：金福江[1] 王慧[1] 陆浩[1] 李平[1] 

机构地区：[1]浙江大学工业控制研究所,杭州310027

出　　处：《仪器仪表学报》2003年第4期380-383,405,共5页Chinese Journal of Scientific Instrument

基　　金：国家自然基金资助项目 (699740 34)

摘　　要：为了达到降低黑液残碱浓度 ,减轻蒸煮液排放对环境的污染 ,实现制浆生产蒸煮过程清洁生产的目的 ,根据电导测量液体浓度的原理 ,设计了连续蒸煮过程有效碱浓度在线软测量系统 ,并且在该测量系统中使用推断控制器来抑制现场扰动对测量结果的影响 ,提高测量精度和系统的稳定性。该系统和人工滴定测量相比较的结果表明 。For the aims of debasing residual alkaline concentration in the black liquor and reducing emitted pollutant in the digester liquor and implementing cleaner production in the paper & pulp production process,the online soft sensing system of effective alkaline concentration is designed,which according to the principle of conductance measured liquor concentration,and the inference control is applied to restrain disturbance of measured result,and to enhance stability and to improve precision of measure system.The result of comparing manual titration with the online soft-measure system shows that the soft sensing system has batter measuring precision and the capability of restraining disturbance.

关 键 词：造纸 间歇蒸煮 有效碱浓度 摩尔电导 软测量 推断控制 

分 类 号：TS736[轻工技术与工程—制浆造纸工程] TP274[自动化与计算机技术—检测技术与自动化装置]