A Study on Multi-Injection Methods of Over-Fire Air in Pulverized Coal Combustion

Toru NINOMIYA; Mikio SATO; Hisao MAKINOH; Kasuga FURUYA; Masao SOTOOKA

doi:10.1299/jsmeb1988.33.4_785

JSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties

Print ISSN : 0914-8817

A Study on Multi-Injection Methods of Over-Fire Air in Pulverized Coal Combustion

Toru NINOMIYA, Mikio SATO, Hisao MAKINOH, Kasuga FURUYA, Masao SOTOOKA

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Keywords: Coal, Coal Combustion, Two-Stage Combustion, NO_x emission, Carbon Burn-out

JOURNAL FREE ACCESS

1990 Volume 33 Issue 4 Pages 785-788

DOI https://doi.org/10.1299/jsmeb1988.33.4_785

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Abstract

A study of over-fire air injection point and air-injection methods and multistage injection methods in pulverized coal combustion was carried out. It was possible to predict NO_x emission for multistaged combustion by treating it as a function of the over-fire air injection point and injection rate for two-stage combustion.

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