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煤化驗-常用煤炭發熱量換算公式

2016-05-05  來自: 鶴壁市華維科力 瀏覽次數:2587

Qgr.daf(MJ/kg)=31.45+1.09Hdaf


無煙煤及Vdaf小于24%的煙煤:


Hdaf=Vdaf/(0.1462Vdaf+1.1124)


煙煤:




褐煤:


Hdaf=0.835Vdaf+1.206


式中:
Hdaf=Had×{100/(100-Mad-Aad)} 干燥無灰基氫含量%


Vdaf=Vad×{100/(100-Mad-Aad)} 干燥無灰基揮發分產量%


Aad=(m1/m) ×100


其中: m1—殘留物的質量,g;


m—空氣干燥煤樣的質量,g;


Vad=(m1/m) ×100 空氣干燥基煤樣揮發分產率%


Mad=(m1/m) ×100 空氣干燥基煤樣水分產率%


其中: m1—煤樣干燥后失去的質量,g;


m—空氣干燥煤樣的質量,g;


Ad=Aad×100/(100-Mad) 干燥基煤樣灰分產率%



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