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Glass Furnace

Glass Furnace

Glass Furnace:

1. The compact microstructure of Fused Cast AZS 33 enables it to have very good corrosion resistance to molten glass. It very rarely results in stoning and has very limited chances to cause blistering and other defects to glass, so AZS 33 is the most common product used in the glass furnace
2. Besides the same eutectic with AZS 33 Tile, AZS 36 Tile has further strengthened anti-erosion ability and reduces the pollution of glass melt because more chain-shape zirconium oxide crystal and low glass phase content. It is suitable for the area with fast glass melt flow rate and high temperature, such as pool wall tiles of the melting tank, pavement tiles and charging mouth tiles.
3. Fused Cast AZS 41 has the most free baddeleyite crystals among the AZS families, which are evenly distributed within the block. Its corrosion resistibility is the best and thus it is usually recommended to be used in the most demanding positions to balance the glass furnace life.

Glass Furnace Regenerator:

1. Regenerator arch:  High temperature glass material dust, fuel impurities and alkaline steam high temperature chemical attacks, in addition arch structure has enormous high temperature load deforming. Refractories requirement here should have good endurance to erosions and resistance to high temperature creep properties. Traditionally high quality silica bricks are used, but silica bricks endurance to alkaline steam erosion not effective, sometimes would lead to regenerator arch rapidly damaged. OSYMEN recommends GMZ-98A, fused AZS bricks can also be used.
2. Regenerator Arch lattice structure: Arch 2-4 layer easily eroded by glass material dust, alkaline steam and crude oil Vanadium Oxide and SO2 gas etc. high temperature chemical attacks, at the same time they need to have good heat conductivity. OSYMEN recommends GMZ-97, GMZ-98 products, fused AZS can also be used.
3. Regenerator Upper lattice structure:  Glass material dust, alkaline steam, toxic gases in smoke would have serious erosion to lattice structure, requirements of endurance to high temperature and high conductivity. OSYMEN recommends GMZ-96, GMZ-97 or GMZ-98 products.
4. Regenerator Middle lattice structure:  According to lowering of exhaust air temperature, sulphides, condensation of alkaline steam here leading to complex process of erosion reaction, and under function of long period unchanged temperature, hazardous substances frequent evaporating and condensing would result volume changes leading to refractories loosening, therefore refractories are seriously damaged, and becoming one weakest sector of lattice structure. OSYMEN recommends GKM and GZM Products.
5. Regenerator Bottom lattice structure: Here temperature is lower (<800oC), under higher load and temperature fluctuations, sometimes with sulphuric salt erosion. Use of low porosity clay bricks or high alumina bricks would satisfy requirements here. OSYMEN recommends GKM or GSM Products.
6. Regenerators walls: Their application conditions should be co-ordinated with lattice structure. From top to low of the walls, OSYMEN recommends GMZ, if silica dust erosion is severe, we recommend GZM Product.

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Last updated: 2024-01-03
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