High temperature air and coal gas double heat storage type heating furnace heating method

The present invention discloses a high temperature air and coal gas double heat storage type heating furnace heating method. According to the heating method, a high temperature air and coal gas double heat storage type heating furnace is provided and comprises four heating sections such as a preheating section, a heating section 2, a heating section 3 and a soaking section, wherein the time in the heating furnace is 4.0-5.0 h, the heating temperature of the preheating section is 780-810 DEG C, the heating rate of the preheating section is 2.0-3.0 DEG C/min, the heating temperature of the heating section 2 is 980-1090 DEG C, the heating rate of the heating section 2 is 0.8-1.5 DEG C/min, the heating temperature of the heating section 3 is 1230-1260 DEG C, the heating rate of the heating section 3 is 0.8-1.2 DEG C/min, the heating temperature of the soaking section is 1230-1250 DEG C, and the heating rate of the soaking section is 0.08-0.12 DEG C/min. With the high temperature air and coal gas double heat stora