2012
DOI: 10.1021/ef300562t
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Effect of Coal Blending Methods with Different Excess Oxygen on Unburned Carbon and NOx Emissions in an Entrained Flow Reactor

Abstract: The influence of coal blending methods, such as out-furnace (external or premixed) blending and in-furnace (initially nonmixed) blending, with different excess oxygen (highest, medium, and lowest stoichiometric conditions) on unburned carbon and NO x emissions of blend combustion in an entrained flow reactor has been analyzed, using experimental and numerical approaches for binary coals used by Korean power plants. The results confirm that, under the medium condition, contrasting processes, such as reactive a… Show more

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Cited by 52 publications
(34 citation statements)
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“…[8,26,45] -effect of coal mineral matter [8,16,26,46] -coal blending [32,39,44,[47][48][49] -co-combustion of coal with alternative fuels [50][51][52][53][54].…”
Section: Effect Of Coal Characteristicsmentioning
confidence: 99%
“…[8,26,45] -effect of coal mineral matter [8,16,26,46] -coal blending [32,39,44,[47][48][49] -co-combustion of coal with alternative fuels [50][51][52][53][54].…”
Section: Effect Of Coal Characteristicsmentioning
confidence: 99%
“…In general, there are two practical methods for coal blending in power plant. One method, namely, direct blending, is to mix different coals directly in the stockpiles and coal bunker, and the coal blends are simultaneously fed through mills and burners into the boiler, which is also categorized as the out‐furnace blending method 38 . The other method, namely, indirect blending, is to feed different coals separately into the specific mills and burners without prior mixing.…”
Section: Experimental Methodsmentioning
confidence: 99%
“…Deneysel ya da bilgisayımsal yollarla yanmamış karbon tahmin sistemi geliştirmek için birçok yaklaşım mevcuttur [4]. Moron [5] uçucu küldeki yanmamış karbonun, kömür karışımı için beslenen fazla hava oranıyla ilişkisini araştırmıştır [6]. Bartonava [3] çalışmasına göre yanmamış karbon miktarı, kömürün kimyasal kompozisyonundan, kömür petrografik özelliklerinden, kömür hazırlama yöntemlerinden gibi kömüre ait parametrelerle; yanma odası sıcaklığı, fazla hava miktarı, kazan içi kalma süresi gibi kazan dizaynına ait parametrelerle ilişkilidir [7,8,9,10,11].…”
Section: Introductionunclassified