What basic principles should be followed in the selection and configuration of refractory materials for glass melting furnaces?

 ① According to the working environment of each part of the melting furnace (temperature, atmosphere, raw material composition and state, fuel, etc.) and the cause of damage to the refractory materials, select refractory materials with corresponding materials. 

② According to the scheduled age of the melting furnace and the damage rate of the refractory materials in each part, select bricks with corresponding physical and chemical performance indicators and external dimensions to match the life of the refractory materials in each part with the age of the furnace.

③ Please do not choose refractory materials that react chemically at the operating temperature. When it is necessary to choose, transition bricks and transition layers should be used between the two bricks.

④ The gaps between the horizontal bricks in the pool wall in contact with the glass liquid should be minimized to avoid aggravating the erosion of the bricks by drilling erosion.

⑤ When refractory mud is needed for masonry, refractory mud of the same material as the masonry bricks must be used, and refractory bricks and refractory mud of different materials must not be mixed.

⑥ When the melting furnace is cold repaired, the cause of refractory damage in the weak link of the cold repair should be improved.

⑦ The selection and configuration of melting furnace refractory materials should also consider the economic rationality of the total cost of melting furnace refractory materials.

For large float lines, the composition of glass furnaces is usually composed of L-shaped hanging walls (usually using silica bricks), melting parts (the area in direct contact with the glass liquid uses electric fused bricks, and the top uses silica bricks or electric fused bricks), necks (usually using silica bricks), cooling parts are composed of ear pools (corundum materials are used in places in direct contact with the glass liquid, and silica bricks or corundum are used in places in direct contact with the glass liquid), annealing furnaces, heat storage chambers (composed of high alumina bricks, clay bricks, and directly bonded magnesium bricks).