2021
DOI: 10.18280/ijht.390317
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A Study on Bituminous Coal Base Acid Ratio to the Slagging Factor at Large Scale Boiler

Abstract: Different types of coal have different characteristics and performances. In thermal coal plant, deposition of coal ash inside the furnace causes slag formation inside the boiler rear path and consequently reduces the heat transfer process and boiler efficiency. Besides, accumulation of ash on the boiler tube surfaces form layers of slags and blocks the flue gas flow out of the boiler. Therefore, the purpose of this study is to investigate the relationship between sub-bituminous coal base acid ratio towards the… Show more

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Cited by 3 publications
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“…Alternatively, by dividing these oxides into two groups, Al 2 O 3 is assigned to the acidic oxide group and Fe 2 O 3 to the basic oxide group [ 13 ]. The formation of slag is mainly influenced by Fe 2 O 3 , CaO, MgO, K 2 O, Na 2 O, SiO 2 , Al 2 O 3 , and TiO 2 [ 14 ]. For the prediction of ash deposition by slagging and fouling in boilers, most researchers measure the base-to-acid (B/A) ratio, bed agglomeration index (BAI), fouling index (Fu), slag viscosity index (SR), and Babcock index (RS) of coal [ [15] , [16] , [17] ].…”
Section: Introductionmentioning
confidence: 99%
“…Alternatively, by dividing these oxides into two groups, Al 2 O 3 is assigned to the acidic oxide group and Fe 2 O 3 to the basic oxide group [ 13 ]. The formation of slag is mainly influenced by Fe 2 O 3 , CaO, MgO, K 2 O, Na 2 O, SiO 2 , Al 2 O 3 , and TiO 2 [ 14 ]. For the prediction of ash deposition by slagging and fouling in boilers, most researchers measure the base-to-acid (B/A) ratio, bed agglomeration index (BAI), fouling index (Fu), slag viscosity index (SR), and Babcock index (RS) of coal [ [15] , [16] , [17] ].…”
Section: Introductionmentioning
confidence: 99%