The bottom of the furnace is usually sintered with quartz, that is, masonry is made of ground quartz stone or natural river sand, the particle size is not more than 2mm, and the SiO2 content is not less than 92% to 96%.

The reverberatory furnace is a heavy building. The total weight of the furnace building materials alone can reach 1500~3000 tons. The ground load is very large. There must be a good furnace foundation to evenly transmit the load to the ground, otherwise the furnace may sink locally. , Causing cracks in the brickwork.

f the reverberatory furnace when smelting different charge materials. For smelting concentrate, the slope of the material slope is relatively large, generally around 60. If only the furnace width is increased without increasing the furnace height, the effective surface area of the charge heated by the furnace gas does not increase, but the heat loss increases. For calcine smelting, the material slope is relatively inclined, about 30. If the width of the furnace is narrow, two opposite material slopes will be connected, blocking the molten pool and complicating the smelting process. Therefore, when smelting calcine, the furnace width should be increased to increase the effective heating surface area of the charge, thereby increasing the productivity of the reverberatory furnace.

The airflow space height of the reverberatory furnace is selected according to the average velocity of the furnace gas. The average velocity of furnace gas is generally 5-8 m/s. If it is greater than this range, the amount of soot carried by the furnace gas will increase. The height of the airflow space of the reverberatory furnace is generally 3~4 m.