Table 1: Direct detecting parameters and their instrumentations.

Variable (unit)NotationInstrumentation (notation)

Flow rate of cold air (m3/min)HH-WLB differential pressure flowmeter (FT)
Flow rate of rich oxygen (m3/h)A+K balance flowmeter (FT)
Blast pressure (kPa)DPharp EJA high accuracy pressure transmitter (PT)
Furnace top pressure (kPa)DPharp EJA high accuracy pressure transmitter (PT)
Blast temperature (°C)Hongguang SBW temperature transmitter (TT)
Blast humidity (g/m3)Air humidity sensor (HT)