SOFT MEASUREMENT FOR CO_2 CONCENTRATION IN CARBONATOR TOWER OF AMMONIA SODA PROCESS

Wang Genping; Zhang Yurun and Zhou Chunhui(National Laboratory of Process Control of Zhejiang University; Hangzhou 310027)

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SOFT MEASUREMENT FOR CO_2 CONCENTRATION IN CARBONATOR TOWER OF AMMONIA SODA PROCESS

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- SOFT MEASUREMENT FOR CO_2 CONCENTRATION IN CARBONATOR TOWER OF AMMONIA SODA PROCESS
- CIESC Journal Issue 1, (1999)
- 作者机构：
  
  浙江大学工业控制技术国家重点实验室!杭州310027,浙江大学工业控制技术国家重点实验室!杭州310027,浙江大学工业控制技术国家重点实验室,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q114.2
- Online First：25 February 1999，
  
  Published：25 February 1999
- 稿件说明：
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Wang Genping, Zhang Yurun and Zhou Chunhui(National Laboratory of Process Control of Zhejiang University, Hangzhou 310027). SOFT MEASUREMENT FOR CO_2 CONCENTRATION IN CARBONATOR TOWER OF AMMONIA SODA PROCESS[J]. CIESC Journal, 1999, (1).
DOI：

Wang Genping, Zhang Yurun and Zhou Chunhui(National Laboratory of Process Control of Zhejiang University, Hangzhou 310027). SOFT MEASUREMENT FOR CO_2 CONCENTRATION IN CARBONATOR TOWER OF AMMONIA SODA PROCESS[J]. CIESC Journal, 1999, (1). DOI：

摘要

利用自适应滤波辨识的方法

构造了联碱碳酸化塔中CO_2浓度的估计器

解决了在碳酸化过程中不能在线检测碳酸化塔中CO_2浓度的难题

对碳酸化过程的有效控制和节约检测成本有着积极的意义.

Abstract

In a carbonator tower

the change of CO2 concentration can be reflected by the alteration of some other parameters

such as temperature

pressure

and gas flow in the tower. Based on this consideration

an estimator of CO2 concentration in the tower was formed

which gives the CO2 concentration by calculating the values of temperature

pressure

and gas flow with an algorithm. Considering the time varying environment of the tower

the estimator was designed with self- adaptive attribute

so that it can work effectively under varying environment. By using the estimator

the value of CO2 concentration in the tower can be predicted online. It not only provides useful information for control

but also saves the cost for measuring CO2 concentration.

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