INTEGRATED DYNAMIC MODELING OF LARGE SCALE CIRCULATING FLUIDIZED BED BOILER AND ITS SOLUTION

YANG Chen; HE Zuwei; TANG Shengli; GOU Xiaolong

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INTEGRATED DYNAMIC MODELING OF LARGE SCALE CIRCULATING FLUIDIZED BED BOILER AND ITS SOLUTION

更新时间：2025-12-10

- INTEGRATED DYNAMIC MODELING OF LARGE SCALE CIRCULATING FLUIDIZED BED BOILER AND ITS SOLUTION
- CIESC Journal Issue 12, (2001)
- 作者机构：
  
  重庆大学热能工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 2001，
  
  Published：25 December 2001
- 稿件说明：
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YANG Chen, HE Zuwei, TANG Shengli, et al. INTEGRATED DYNAMIC MODELING OF LARGE SCALE CIRCULATING FLUIDIZED BED BOILER AND ITS SOLUTION[J]. CIESC Journal, 2001, (12).
DOI：

YANG Chen, HE Zuwei, TANG Shengli, et al. INTEGRATED DYNAMIC MODELING OF LARGE SCALE CIRCULATING FLUIDIZED BED BOILER AND ITS SOLUTION[J]. CIESC Journal, 2001, (12). DOI：

摘要

介绍了构成大型商用循环流化床锅炉整体模型的燃烧系统、汽水系统以及烟风系统模型的建立及综合方法

并提出了一种求解整体模型的“双桢速”算法 .采用这种整体模型的构成及综合方法能够有效地求解具有复杂物理化学特性和结构的大型复杂系统模型

Abstract

A dynamic modeling method for large scale circulating fluidized bed boiler is presented in this paper.Cell approach is used to simulate the axial distributions of solid and gas phase in the bed

and ’core-annular’ construction is used to describe the radial distributions of solid particles and particle cluster.Meanwhile

it takes into account the influence of wide size distribution of both bed and feed materials on hydrodynamics

chemical reactions and heat transfer.Integration of CFB loop

steam-water and air/gas system model for circulationg fluidized bed boiler and a partitioning and multi-rate integration technique for solving the integrated model is as also presented in the paper.Based on the method

simulations of static and dynamic performance for 410t·h -1 Pyroflow CFB boiler is carried out.The results show that the model is capable of predicting the overall performance of CFB boiler.The modeling method has theoretical and engineering significance for the research of combustion technology

large scale boiler design and operating performances of circulating fluidized bed boiler.

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