Thermal Analysis of Blast Furnace Cooling Stave Using CFD
Manmohan Soni1, Sankalp Verma2
1Manmohan Soni, Mechanical Engineering Department ,Shri Shankaracharya College of Engineering And Technology, Junwani, Bhilai Chhattisgarh , India.
2Sankalp Verma, Mechanical Engineering Department ,Shri Shankaracharya College of Engineering And Technology, Junwani, Bhilai Chhattisgarh , India.
Manuscript received on April 04, 2014. | Revised Manuscript Received on April 17, 2014. | Manuscript published on April 20, 2014. | PP: 10-16 | Volume-2, Issue-5, April 2014. | Retrieval Number: E0460042514/2014©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering & Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Blast furnace Cooling Systems have been developing since 1884. Earlier (till 1920’s) the cooling was applied only to hearth and bosh areas. By 1930’s and 1940’s, cooling was also applied to the shaft. Simultaneously, external cooling methods like shower and jacket cooling of the furnace shell were tried. This method relied on extracting the heat through the furnace shell to the cooling medium, generating high thermal stresses during the heat transfer and hence jeopardizing the integrity of the shell. The main purpose of cooling system is to enhance the furnace campaign life. If heat transfer, thermal stress and furnace campaign life all such parameters should not be analyzed it may lead to catastic failure of Blast furnace. This Paper deals with the computational analysis of three-dimensional model of blast furnace stave, using FEV tool ANSYS FLUENT. Where the inner wall are heated up linearly, due to molten metal inside the furnace and the outer wall is been exposed to ambient condition with the maximum temperature TH and the minimum temperature with Tc The present computational investigation deals with Heat transfer analysis in blast furnace cooling stave and the parametric analysis such as the cooling channel inter-distance and diameter, coating layer on the external surface, cooling water velocity, etc is been done and the effect of them in heat transfer of stave or stave performance is been justified. The temperature distribution and flow pattern across the cavities were visualized. The FEV results are validated with well published results in literature and furthermore with experimentation. Results are first presented in the form of streamlines, isotherm contours, thermal stress, and Temperature difference.
Keywords: Blast Furnace Stave, CFD, Heat Transfer.