Effect of Two-Phase Gas-Solid Flow into the Cyclone on the Immersion Tubes Behavior by Numerical Method and Microstructural Analyses

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SAZEGARAN HAMID; JAVADI SEYED MOHAMMAD

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Paper Information

Journal: METALLURGICAL ENGINEERING Year:2018 | Volume:21 | Issue:2 (70) Page(s): 139-148

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Title

Effect of Two-Phase Gas-Solid Flow into the Cyclone on the Immersion Tubes Behavior by Numerical Method and Microstructural Analyses

Author(s)

SAZEGARAN HAMID | JAVADI SEYED MOHAMMAD | Issue Writer Certificate

Keywords

Immersion tubeQ1

Particle flowQ1

Stainless steelQ2

Intergranular corrosionQ1

Erosion corrosionQ2

Abstract

Damage caused by the two-phase gas-solid flow on the Immersion tubes into the cyclone in cement industry that involved the environmental corrosive and abrasive factors is very important. In this work, the effect of Particle flow and impact on the corrosion of the Immersion tube was studied by the simulation of two-phase gas-solid into the cyclone. The results of gas-solid Particle flow simulation and investigation on the particle abrasion on the Immersion tube were shown that the impact of particle and shear stress is more in the upper half compared to the lower half. In addition, microstructural studies conducted by optical and scanning electron microscopies on the severely corroded sections of Immersion tubes were shown that chromium carbide in the grain boundaries of austenite is formed and the cracks nucleated and growth along the grain boundaries of austenite. Formation of chromium carbide in the grain boundaries of austenite caused to decreasing the chromium from the areas adjacent to the grain boundaries, and as a result, Intergranular corrosion occurred. Furthermore, the abrasion of the particle impact on the upper half of the Immersion tube leading to severe corrosion based on the Erosion corrosion mechanism.

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APA: Copy

SAZEGARAN, HAMID, & JAVADI, SEYED MOHAMMAD. (2018). Effect of Two-Phase Gas-Solid Flow into the Cyclone on the Immersion Tubes Behavior by Numerical Method and Microstructural Analyses. METALLURGICAL ENGINEERING, 21(2 (70) ), 139-148. SID. https://sid.ir/paper/391673/en

Vancouver: Copy

SAZEGARAN HAMID, JAVADI SEYED MOHAMMAD. Effect of Two-Phase Gas-Solid Flow into the Cyclone on the Immersion Tubes Behavior by Numerical Method and Microstructural Analyses. METALLURGICAL ENGINEERING[Internet]. 2018;21(2 (70) ):139-148. Available from: https://sid.ir/paper/391673/en

IEEE: Copy

HAMID SAZEGARAN, and SEYED MOHAMMAD JAVADI, “Effect of Two-Phase Gas-Solid Flow into the Cyclone on the Immersion Tubes Behavior by Numerical Method and Microstructural Analyses,” METALLURGICAL ENGINEERING, vol. 21, no. 2 (70) , pp. 139–148, 2018, [Online]. Available: https://sid.ir/paper/391673/en

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