The lining of the glass kiln is subject to chemical erosion, mechanical erosion, and large temperature fluctuations, and the refractory materials used for the kiln lining are also quite complicated. There are mainly zirconium corundum brick series and clay bricks, high alumina bricks, and heat-insulating clay fire brick series. Get a free quote from Refractory Bricks Manufacturer.
High-grade refractory brick materials include fused corundum bricks and mullite bricks. The mid-grade series of refractory bricks include high alumina bricks, silica bricks, low-porosity clay bricks, and ultra-low-porosity clay bricks. The pores of ultra-low porosity clay bricks are not more than 12%. Low-grade series of refractory bricks include clay bricks and large clay bricks. The production process of large clay bricks is much more difficult than that of clay bricks, because large clay bricks are difficult to press and form, and the exhaust process takes several times longer than clay bricks. The raw materials used to produce large clay bricks and ordinary clay bricks are the same, but in the production process of large clay bricks, the particle gradation is different, and the drying, pressing, and firing process takes longer than ordinary clay bricks.
High-aluminum checker bricks are used in the regenerator of the glass kiln, and high-aluminum bricks are used for the supporting strings in the middle and lower walls. Silica bricks are used in places such as the large string, the breast wall, and the top of the regenerator string. Silica brick is an acid refractory material, which has strong resistance to acid slag or molten corrosion. Especially when the temperature rises to 1450°C, it helps to ensure the structural strength and airtightness of the masonry.
Fused zirconium corundum bricks are used in the glass pool. Corundum bricks have a high melting point, high hardness, and are particularly resistant to erosion, wear, and erosion. Both zirconium corundum and zirconium mullite are used in melting operations. When contacted with molten glass, the characteristics of zirconium corundum bricks are reflected.
The breast wall of the glass melting part and the sealing layer at the bottom of the arch-foot pool is made of zircon bricks. The melting point of zircon bricks is 2550°C. Not affected by the erosion of molten glass and slag.
Checker bricks for regenerators. Checker bricks are directly combined with magnesia chrome bricks and magnesia alumina bricks. The central checker brick is in the air and gas, which is reduced by repeated high-temperature changes and serious alkali vapor. Magnesium check bricks are used, and high-alumina bricks are used for the lining of the heat storage chamber.
The thermal insulation structure of the glass kiln uses clay thermal insulation bricks, siliceous thermal insulation bricks, diatomite bricks and thermal insulation ramming materials. Clay bricks are used for the outer walls of the furnace.
FAQ: What are zircon bricks for glass kilns?
Zircon bricks for glass kilns are made of zircon as the main raw material, added with binders and additives, equipped in proportion, and fired at high temperature after mixing, mixing, forming, and drying. Zircon bricks are classified into the high-density type and dense type according to production technology and physical and chemical indicators. The dense zircon brick with high density and low porosity is a special variety suitable for the lining of the glass tank furnace for melting glass fiber. Generally, it is manufactured by full powder material, casting molding, and high-temperature firing.
Performance of dense zircon brick for glass kiln:
- High refractoriness and high softening temperature.
- Strong resistance to slag liquid corrosion and strong acid resistance.
- High compressive strength.
- Good thermal shock resistance.
Where are the dense zircon bricks for glass kilns mainly used? Zircon bricks are used for the working layer of the wall of the glass kiln. Its density is high, and as a working layer of the pool wall, it has strong resistance to the corrosion of glass liquid.
What is the price of dense zircon brick for a glass kiln? The price of zircon bricks fluctuates due to market conditions and the price of raw materials. For the actual purchase price of zircon, you need to contact the manufacturer and combine the actual production needs of the glass furnace. The manufacturer will provide you with high-quality and reasonably priced refractory brick products. Rongsheng refractory brick manufacturers have rich experience in production and sales, and our customers have spread to more than 60 countries all over the world, for example, Russia, South Africa, Kazakhstan, Philippines, Chile, Malaysia, Uzbekistan, Indonesia, Vietnam, Kuwait, Turkey, Zambia, Peru, Mexico, Qatar, etc. If you need to buy refractory products for glass kilns, please contact us in time.