THE BEHAVIOR OF HEAT REMOVAL UNSTEADY STATE SO_2 CONVERTERS（Ⅰ）──STABILITY OF THE UNSTEADY STATE SO_2 CONVERTER

Wang Hui; Xiao Bowen; Yuan Weikang(UNILAB Research Center of Chemical Reaction Engineering

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THE BEHAVIOR OF HEAT REMOVAL UNSTEADY STATE SO_2 CONVERTERS（Ⅰ）──STABILITY OF THE UNSTEADY STATE SO_2 CONVERTER

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- THE BEHAVIOR OF HEAT REMOVAL UNSTEADY STATE SO_2 CONVERTERS（Ⅰ）──STABILITY OF THE UNSTEADY STATE SO_2 CONVERTER
- CIESC Journal Issue 4, (1998)
- 作者机构：
  
  华东理工大学联合化学反应工程研究所!上海200237,华东理工大学联合化学反应工程研究所!上海200237,华东理工大学联合化学反应工程研究所,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q05
- Online First：25 August 1998，
  
  Published：25 August 1998
- 稿件说明：
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Wang Hui, Xiao Bowen, Yuan Weikang(UNILAB Research Center of Chemical Reaction Engineering. THE BEHAVIOR OF HEAT REMOVAL UNSTEADY STATE SO_2 CONVERTERS（Ⅰ）──STABILITY OF THE UNSTEADY STATE SO_2 CONVERTER[J]. CIESC Journal, 1998, (4).
DOI：

Wang Hui, Xiao Bowen, Yuan Weikang(UNILAB Research Center of Chemical Reaction Engineering. THE BEHAVIOR OF HEAT REMOVAL UNSTEADY STATE SO_2 CONVERTERS（Ⅰ）──STABILITY OF THE UNSTEADY STATE SO_2 CONVERTER[J]. CIESC Journal, 1998, (4). DOI：

摘要

以作者开发的可用于非定态SO2转化器模拟计算的通用软件包USSC为基础，对中间移热式与单段绝热式两种结构的非定态SO2转化器进行了比较，研究了气体组成、气速换向周期、冷却量等参数对转化器操作性能的影响．气体中SO2含量越高，床层的整体温度越高，SO2含量较高时（0.03左右），宜采用两点移热式结构的转化器．相同气体组成条件下，移波速度与气速成正比．对于两点移热式转化器，冷却量与换向周期均是可用来优化反应的操作变量，而原料气入口温度与床层预热温度对非定态转化影响较小．

Abstract

Based on the software used in the simulation calculation of unsteady state SO_2 converter，a comparison between two types of unsteady state converter

namely

heat removal and adiabatic converter is presented in this paper.The effects of parameters such as gas concentration，velocity，cycle duration and cooling capacity on unsteady state SO_2 converter are studied.For the gas of high concentration，two-point heat removal structure is recommended.With identical gas concentration

traveling wave velocity is directly proportional to gas velocity.For two-point heat removal converter

cooling capacity and cycle duration are two controllable variables in optimizing the reaction，whereas the inlet temperature of gas and preheated temperature of catalyst bed have relatively minor effect on unsteady state conversion.

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