- Test shows that the sulfur educing behavior is closely related to coal quality and burning behavior of each single coal sort and the mixed ratio of single coal sorts.
- LOW VOLATILE COAL SORT AND W-SHAPED FLAME BOILER
- Along with variation of the coal quality and the mixed ratio, concentration of SO2 to be basically between two single coal sorts, but the regularity of H2S educing to be comparatively complex.
- We need to replenish our stocks of coal.
- She piled on more coal before the fire go out.
- I add the coal on the flame continuously.