Table 1.

Related variables.

Variables	Unit	Variable Type	Controllable
Cold wind flow	m${}^3$/min·kPa	Operation Variable	✓
Pulverized coal injection	t/h	Operation Variable	✓
Wind speed	m/s	Operation Variable	✓
Oxygen enrichment flow	m${}^3$/h	Operation Variable	✓
Hot air temperature	°C	Operation Variable	✓
Hot wind pressure	kPa	Operation Variable	✓
Top blast pressure	kPa	Detection variable	×
Top temperature	°C	Detection variable	×
CO${}_2$ rate	vt%	Detection variable	×
H${}_2$ rate	vt%	Detection variable	×
SiO${}_2$ content	wt%	Sinter grade	×
CaO content	wt%	Sinter grade	×
TFe content	wt%	Sinter grade	×
M40	%	Coke grade	×
CRI	%	Coke grade	×
CSR	%	Coke grade	×