Modelling and predication of a practical boiler

H. Aoki, S. Tanno, T. Miura, S. Ohnishi

研究成果: Conference contribution

抄録

A three-dimensional computer model of a swirling fired type furnace where a pulverized petroleum coke and an ASTM No. 6 heavy oil are fed from two opposite side walls is presented. The predicted results are compared with measurements of exhausted NO concentration in an operating 125MW(e) boiler with and without air introduced tangentially from the bottom of the furnace (below the bottom burners) to convert from H2S to SO2 effectively. Agreement between prediction and experimental data is very satisfactory. Both of them show that the unburned ratio decreases with an increase in the flow rate ratio of the tangential air to the secondary air, and an increase in NO concentration. Our prediction also shows that when the tangential air is flowed from the bottom, the reduction of H2S formation rates are more significant in the low grade high sulfur content fuel such as heavy oil and petroleum coke.

本文言語English
ホスト出版物のタイトルASME/JSME Thermal Engineering Joint Conference
出版社Publ by ASME
ページ225-232
ページ数8
ISBN(印刷版)0791806162
出版ステータスPublished - 1991 12月 1
イベントProceedings of the 3rd ASME/JSME Thermal Engineering Joint Conference Part 5 (of 5) - Reno, NV, USA
継続期間: 1991 3月 171991 3月 22

出版物シリーズ

名前ASME/JSME Thermal Engineering Joint Conference

Other

OtherProceedings of the 3rd ASME/JSME Thermal Engineering Joint Conference Part 5 (of 5)
CityReno, NV, USA
Period91/3/1791/3/22

ASJC Scopus subject areas

  • 工学(全般)

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