煤层编号B

B₅

B₄

A₁

煤灰成分分析(%)

SiO₂

$\frac{50.35~59.12}{55.35\left(5\right)}$

$\frac{48.20~63.39}{55.07\left(16\right)}$

$\frac{46.78~75.61}{58.23\left(7\right)}$

Al₂O₃

$\frac{16.93~31.98}{22.16\left(5\right)}$

$\frac{15.64~32.50}{24.01\left(16\right)}$

$\frac{11.54~28.02}{20.52\left(7\right)}$

Fe₂O₃

$\frac{3.00~12.33}{6.75\left(5\right)}$

$\frac{1.23~13.06}{6.54\left(16\right)}$

$\frac{0.40~1.22}{0.91\left(7\right)}$

TiO₂

$\frac{0.52~1.27}{0.88\left(5\right)}$

$\frac{0.61~1.72}{1.15\left(16\right)}$

$\frac{0.40~1.22}{0.91\left(7\right)}$

CaO

$\frac{3.50~8.28}{5.52\left(5\right)}$

$\frac{0.84~16.04}{4.37\left(16\right)}$

$\frac{0.69~6.22}{3.87\left(7\right)}$