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Applications of numerical simulation...

Chen, Yan.

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Applications of numerical simulation for blast furnace.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Applications of numerical simulation for blast furnace./
作者:	Chen, Yan.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2012,
面頁冊數:	98 p.
附註:	Source: Masters Abstracts International, Volume: 74-07.
Contained By:	Masters Abstracts International74-07.
標題:	Mechanical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1529897
ISBN:	9781267754851

Applications of numerical simulation for blast furnace.
Chen, Yan.

Applications of numerical simulation for blast furnace. - Ann Arbor : ProQuest Dissertations & Theses, 2012 - 98 p.

Source: Masters Abstracts International, Volume: 74-07.

Thesis (M.S.E.)--Purdue University, 2012.

This item must not be sold to any third party vendors.

The blast furnace plays an important role in the steel making industry, and it is a good facility to reduce iron ore to liquid iron. Computational Fluid Dynamics (CFD)-an inexpensive, efficient, and powerful tool-has been applied to improve operation efficiency and prolong its working life. The present thesis contains two parts. First, mathematical models are generated for a chemical reaction simulation. After validation of results, two essential parameters are calibrated and applied throughout the entire blast furnace simulation. Additionally, the grain model and un-reacted shrinking core model, two popular choices for single pellet models of gas-solid chemicalreaction simulation, are applied. The results of the previous two gas-solid chemical reaction models are compared with a focus on accuracy and efficiency. Second, based on industrial data and reference papers, a simple 2D axis-symmetric model is applied to study hot metal solidification in the hearth, or the impacts of design and operating parameters on skull formation in the hearth. The results provide industry a guideline to form and maintain the skull in the hearth so that the hearth can be protected by the skull, extending the blast furnace campaign life.

ISBN: 9781267754851Subjects--Topical Terms:

649730
Mechanical engineering.

Applications of numerical simulation for blast furnace.
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506 $a This item must not be sold to any third party vendors.
520 $a The blast furnace plays an important role in the steel making industry, and it is a good facility to reduce iron ore to liquid iron. Computational Fluid Dynamics (CFD)-an inexpensive, efficient, and powerful tool-has been applied to improve operation efficiency and prolong its working life. The present thesis contains two parts. First, mathematical models are generated for a chemical reaction simulation. After validation of results, two essential parameters are calibrated and applied throughout the entire blast furnace simulation. Additionally, the grain model and un-reacted shrinking core model, two popular choices for single pellet models of gas-solid chemicalreaction simulation, are applied. The results of the previous two gas-solid chemical reaction models are compared with a focus on accuracy and efficiency. Second, based on industrial data and reference papers, a simple 2D axis-symmetric model is applied to study hot metal solidification in the hearth, or the impacts of design and operating parameters on skull formation in the hearth. The results provide industry a guideline to form and maintain the skull in the hearth so that the hearth can be protected by the skull, extending the blast furnace campaign life.
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