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| Numerical Simulation Study on Temperature Field and Flow Field of the Central Air Intake of a Grate Cooler |
1. Sinoma Energy Conservation Ltd, Tianjin 300499, China ;2. North China Electric Power University, Baoding Hebei 071003, China
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Abstract The heat transfer mechanism between cement clinker and air in a grate cooler was studied, and based on the actual operating parameters of a 5 000t/d cement clinker production line in China, the heat transfer process inside the grate cooler was numerically simulated using porous media theory. A physical and mathematical model of the grate cooler was established, and the temperature field, pressure distribution, and flow field distribution inside the grate cooler were numerically simulated using Fluent fluid calculation software. The relationship between the temperature of the middle air intake of the grate cooler and the thickness of the clinker layer was analyzed in detail. Based on the simulation analysis results, the positions of each air intake of the grate cooler and the distribution of air volume were reasonably arranged.
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Received: 20 June 2023
Published: 23 January 2024
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