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COREX煉鐵工藝的物理數學模擬 版權信息
- ISBN：9787502491086
- 條形碼：9787502491086 ; 978-7-5024-9108-6
- 裝幀：一般膠版紙
- 冊數：暫無
- 重量：暫無
- 所屬分類：>
COREX煉鐵工藝的物理數學模擬 內容簡介
《煉鐵工藝的物理數學模擬》共分為4篇15章，全面闡述了物理數學模型與模擬在COREX系統中的應用，主要內容包括研究背景、COREX預還原豎爐的物理數學模擬、COREX熔融氣化爐的物理數學模擬、COREX填充床中粉塵行為的模擬研究四個部分，系統介紹了中心供氣COREX豎爐的氣固流動、排料螺旋結構優化、上部調劑措施等內容，深入探討了COREX氣化爐拱頂含碳顆粒燃燒及造氣行為、循環煤氣噴吹、物料下降行為以及布料方式對溫度場影響等問題，詳細研究了粉塵在填充床中的滲流擴散、沉積堵塞特性。該書為目前國內外關于COREX系統模型與模擬較新、較全面的著作，具有較高的參考價值。 《煉鐵工藝的物理數學模擬》可供冶金工程等相關專業的研究人員和工程技術人員閱讀，也可供高等院校冶金專業的師生參考。
COREX煉鐵工藝的物理數學模擬 目錄
Part Ⅰ Research Background
1 COREX Ironmaking Process
1．1 Brief Introduction about Different lronmaking Processes
1．1．1 Blast Furnace
1．1．2 Direct-reduced Ironmaking
1．1．3 Smelting Reduction Ironmaking
1．2 Brief Introduction about COREX Process
1．3 COREX Process in China Refe rences
Part Ⅱ Physical and Mathematical Simulation of COREX Shaft Furnace
2 Physical Simulation of Solid Flow in COREX Shaft Furnace
2．1 Physical Modelling
2．1．1 Apparatus
2．1．2 Experimental Conditions
2．2 Results and Discussion
2．2．1 Characteristics of Solid Flow
2．2．2 Effect of Variables on Solid Flow
2．2．3 Effect of AGD Beams on Solid Flow
2．3 Summary
References
3 Mathematical Simulation of Solid Flow in COREX Shaft
Furnace
3．1 DEM Model
3．2 Model Validity
3．3 Solid Flow Including Asymmetric Phenomena in Traditional SF
3．3．1 Simulation Conditions
3．3．2 Basic Solid Flow
3．3．3 Effect of Discharging Rate
3．3．4 Asymmetric Behavior of Solid Motion
3．4 Summary
References
4 Effect of Discharging Screw on Solid Flow in COREX Shaft Furnace
4．1 Influence of Screw Design
4．1．1 Simulation Conditions
4．1．2 Solid Flow in Base Case
4．1．3 Effect of Screw Diameter
4．1．4 The Optimized Case
4．2 Influence of Uneven Working of Screws
4．2．1 Simulation Conditions
4．2．2 Effect of Adjacent Inactive Discharging
4．2．3 Effect of Separated Non-working Screws
4．2．4 Effect of Discharge Rate
4．3 Summary
References
5 Gas-solid Flow in a Large-scale COREX Shaft Furnace with
Center Gas Supply Device Through CFD-DEM Model
5．1 CFD-DEM Model
5．2 Model Validity
5．3 Influence of CGD on Gas-solid Flow
5．3．1 Simulation Conditions
5．3．2 Part．icle Velocity and Segregation
5．3．3 Voidage and Gas Distribution
5．3．4 RTD of Gas and Solid Phases
5．4 Influence of Burden Profile on Gas-solid Flow
5．4．1 Simulation Conditions
5．4．2 Burden Descending Velocity and Particle Segregation
……
Part Ⅲ Physical and Mathematical Simulation of COREX Melter Gasifier
Part Ⅳ Simulation of Fine Particles Behavior in COREX
1 COREX Ironmaking Process
1．1 Brief Introduction about Different lronmaking Processes
1．1．1 Blast Furnace
1．1．2 Direct-reduced Ironmaking
1．1．3 Smelting Reduction Ironmaking
1．2 Brief Introduction about COREX Process
1．3 COREX Process in China Refe rences
Part Ⅱ Physical and Mathematical Simulation of COREX Shaft Furnace
2 Physical Simulation of Solid Flow in COREX Shaft Furnace
2．1 Physical Modelling
2．1．1 Apparatus
2．1．2 Experimental Conditions
2．2 Results and Discussion
2．2．1 Characteristics of Solid Flow
2．2．2 Effect of Variables on Solid Flow
2．2．3 Effect of AGD Beams on Solid Flow
2．3 Summary
References
3 Mathematical Simulation of Solid Flow in COREX Shaft
Furnace
3．1 DEM Model
3．2 Model Validity
3．3 Solid Flow Including Asymmetric Phenomena in Traditional SF
3．3．1 Simulation Conditions
3．3．2 Basic Solid Flow
3．3．3 Effect of Discharging Rate
3．3．4 Asymmetric Behavior of Solid Motion
3．4 Summary
References
4 Effect of Discharging Screw on Solid Flow in COREX Shaft Furnace
4．1 Influence of Screw Design
4．1．1 Simulation Conditions
4．1．2 Solid Flow in Base Case
4．1．3 Effect of Screw Diameter
4．1．4 The Optimized Case
4．2 Influence of Uneven Working of Screws
4．2．1 Simulation Conditions
4．2．2 Effect of Adjacent Inactive Discharging
4．2．3 Effect of Separated Non-working Screws
4．2．4 Effect of Discharge Rate
4．3 Summary
References
5 Gas-solid Flow in a Large-scale COREX Shaft Furnace with
Center Gas Supply Device Through CFD-DEM Model
5．1 CFD-DEM Model
5．2 Model Validity
5．3 Influence of CGD on Gas-solid Flow
5．3．1 Simulation Conditions
5．3．2 Part．icle Velocity and Segregation
5．3．3 Voidage and Gas Distribution
5．3．4 RTD of Gas and Solid Phases
5．4 Influence of Burden Profile on Gas-solid Flow
5．4．1 Simulation Conditions
5．4．2 Burden Descending Velocity and Particle Segregation
……
Part Ⅲ Physical and Mathematical Simulation of COREX Melter Gasifier
Part Ⅳ Simulation of Fine Particles Behavior in COREX
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