| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an evaluation method, regarding generated NOx in a sintered ore production process for a blast furnace feed, in which the frequency of combustion experiments causing a high cost and a high load can be reduced, and the simplification in the evaluation of the quantity of the generated NOx in a fuel is achieved. <P>SOLUTION: Regarding generated NOx in an iron ore sintered ore production process utilizing the combustion heat of a high heat generation solid fuel essentially consisting of surface combustion, nitrogen in the fuel is subjected to chemical structure analysis, the ratio of a plurality of nitrogen chemical structure seeds contained therein is determined, and the ratio is compared with the quantity of the generated NOx on the combustion, thus the relation between each nitrogen chemical structure seed ratio and quantity of the generated NOx is estimated, and whether the quantity of the generated NOx is large or not can be estimated by the nitrogen chemical structure analysis in coal. <P>COPYRIGHT: (C)2013,JPO&INPIT |
