The equipment is used to measure the slag corrosion resistance of refractory products. The equipment is manufactured in accordance with the requirements of method 2 of GB / T 8931 test method for slag resistance of refractories. The furnace body is a round and overturnable structure. According to the electric swing device, it has good heat preservation performance and remarkable energy saving effect. The separated bottom base brick is adopted for easy maintenance. It has the advantages of simple operation, high precision of temperature control, automatic completion of heating and heat preservation, and fault protection function.