COREX炼铁工艺的物理数学模拟=Physical and Mathematical Simulation of COREX Ironmaking Process：英文/周恒等著.

定价：96.00元

出版时间：2022.4

ISBN 978-7-5024-9108-6

内容提要

本书共分为4篇15章，全面阐述了物理数学模型与模拟在COREX系统中的应用，主要内容包括研究背景、COREX预还原竖炉的物理数学模拟、COREX熔融气化炉的物理数学模拟、COREX填充床中粉尘行为的模拟研究四个部分，系统介绍了中心供气COREX竖炉的气固流动、排料螺旋结构优化、上部调剂措施等内容，深入探讨了COREX气化炉拱顶含碳颗粒燃烧及造气行为、循环煤气喷吹、物料下降行为以及布料方式对温度场影响等问题，详细研究了粉尘在填充床中的渗流扩散、沉积堵塞特性。本书为目前国内外关于COREX系统模型与模拟较新、较全面的著作，具有较高的参考价值。

本书可供冶金工程等相关专业的研究人员和工程技术人员阅读，也可供高等院校冶金专业的师生参考。

Contents

PartⅠResearch Background

1COREX Ironmaking Process

1.1Brief Introduction about Different Ironmaking Processes

1.2Brief Introduction about COREX Process

1.3COREX Process in China

References

Part ⅡPhysical and Mathematical

Simulation of COREX Shaft Furnace

2Physical Simulation of Solid Flow in COREX Shaft Furnace

2.1Physical Modelling

2.2Results and Discussion

2.3Summary

References

3Mathematical Simulation of Solid Flow in COREX Shaft

Furnace

3.1DEM Model

3.2Model Validity

3.3Solid Flow Including Asymmetric Phenomena in Traditional SF

3.4Summary

References

4Effect of Discharging Screw on Solid Flow in COREX Shaft

Furnace

4.1Influence of Screw Design

4.2Influence of Uneven Working of Screws

4.3Summary

References

5Gas-solid Flow in a Large-scale COREX Shaft Furnace with

Center Gas Supply Device Through CFD-DEM Model

5.1CFD-DEM Model

5.2Model Validity

5.3Influence of CGD on Gas-solid Flow

5.4Influence of Burden Profile on Gas-solid Flow

5.5Summary

References

6CFD Simulation of Inner Characteristics in COREX Shaft

Furnace with Center Gas Distribution Device

6.1Mathematical Modelling

6.2Results and Discussion

6.3Summary

References

Part ⅢPhysical and Mathematical Simulation of

COREX Melter Gasifier

7Numerical Simulation of Combustion Characteristics in the Dome

Zone of  the COREX Melter Gasifier

7.1Mathematical Modelling

7.2Simulation Conditions

7.3Result and Discussion

7.4Summary

References

8Numerical Simulation of Pulverized Coal Injection in the Dome

Zone of COREX Melter Gasifier

8.1Mathematical Model

8.2Simulation Conditions

8.3Results and Discussion

8.4Conclusions

References

9Mathematical Study the Top Gas Recycling into COREX Melter

Gasifier

9.1Mathematical Modelling

9.2Results and Discussion

9.3Summary

References

10Influence of Cohesive Zone Shape on Solid Flow in COREX

Melter Gasifier by Discrete Element Method

10.1Simulation Condition

10.2Results and Discussion

10.3Conclusions

References

11Influence of Burden Distribution on Temperature Distribution

in COREX Melter Gasifier

11.1Experimental

11.2Experimental Results and Discussion

11.3Conclusions

References

Part ⅣSimulation of Fine Particles Behavior in COREX

12Experimental Study and Numerical Simulation of Dust

Accumulation in Bustle Pipe of COREX Shaft Furnace with

Areal Gas Distribution Beams

12.1Experimental

12.2Mathematical Model

12.3Results and Discussion

12.4Conclusions

References

13Numerical Study of Fine Particle Percolation in a Packed

Bed

13.1DEM Model

13.2Simulation Conditions

13.3Results and Discussion

13.4Summary

References

14Dynamic Analysis of Blockage Behavior of Fine Particles in a

Packed Bed

14.1Blockage Behavior of Fine Particles

14.2Influence of Cohesive Force

14.3Summary

References

15CFD-DEM Study of Fine Particles Behaviors in a Packed Bed

with Lateral Injection

15.1Simulation Conditions

15.2Model Validity

15.3Results and Discussion

15.4Summary

References