噴流層ガス化シミュレータの開発(<特集>BRAIN-Cプログラム)

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Coal gasification simulators were developed to analyze and predict thermal, chemical, and physical phenomena in pressurized entrained-flow coal gasifiers. The simulator is based on tow computational fluid dynamic (CFD) codes: the "RESORT (REvolutionary Software Orchestrated Reactions in Turbulent flow)" that originated from the BRAIN-C project and the commercial code "FLUENT". Two CFD codes can be divided into five categories. The sub-models for gas fluid mechanics, particle dispersion, gas phase reaction and heat transfer are widely available. The devolatilization model, char gasification reaction models and ash particle deposition model were modified with the two CFD codes to make accurate predictions about slag-tap coal gasifires. These solutions were then compared with the data measured at 2ton/day and 50ton/day (HYCOL) entrained flow coal gasification pilot plants, and it found that the simulator can predict the both temperature profiles and ash deposition profiles fairly accurately. These simulation software and the tutorial manuals had already been provided to many of the project members. And now, these gasification simulators are being used in Japanese national coal gasification project. Figure 5 shows the operation study of an entrained flow coal gasifier. Finally, we believe the entrained flow coal gasification simulator would contribute to reduce technical and financial burden in developing and commercializing the coal gasification processes.
一般社団法人日本エネルギー学会の論文
2006-01-20

噴流層ガス化シミュレータの開発(<特集>BRAIN-Cプログラム)

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