Product Specification of High Quality Best Price Accurate Size
Refractory Silica Bricks
The silica bricks are the main fire-resistant material of coke
oven. In order to keep its high quality,we use the high purety
quatz with the multistage batching and best grain matching, our
semi-manufactured goods are produced by the pressing machine.
The bottom,Wall and top bricks are produced by 500tons bricks
pressing machine. Every semi-manufactured and finished product-s
are examined according to the national standard and marked it
according to the tolerance.
silica bricks are used for coke and annealing furnace, covering the
walls of the furnaces, in high heat areas of melting furnaces.
Features And Advantages of Refractory Silica Brick:
1) Silicon oxide is above 95%.
2) Good acid erosion resistance.
3) High softening point with temperature.
4) No shrink in burn repeatedly.
5) Temperature of refractoriness under load is above 1650º C Stable
Capability, High Quality, Excellent Service, Competitive price is
the most important advantage of our products.
Application of Silica Refractory Bricks
Silica refractory bricks are widely used in industries where high
temperatures and corrosive conditions are present, such as:
Metallurgy: Silica bricks line the walls of furnaces and converters
in steelmaking plants, where they withstand the intense heat and
chemical reactions involved in the production of steel.
Glassmaking: They are used in the construction of glass melting
tanks and furnaces due to their ability to resist the high
temperatures required for glass production and their resistance to
the corrosive effects of molten glass.
Ceramics: Silica bricks are employed in kilns and other ceramic
manufacturing equipment to provide thermal insulation and
resistance to the harsh conditions present during firing processes.
Petrochemicals: Refractory linings in petrochemical plants, such as
those found in cracking units and reformers, utilize silica bricks
to withstand the extreme temperatures and corrosive environments
encountered during the production of various petrochemical
products.
Power generation: Silica refractory bricks are used in the
construction of boilers and furnaces in power plants to withstand
the high temperatures generated during the combustion of fuels and
to provide insulation for efficient energy production.
Physical And Chemical Indicators:
| Item | Silica brick for coke oven | Silica brick for glass kin |
| Furnace bed | others | BG-96A | BG-96B | BG-95A | BG-95B |
| SiO2% ≥ | 94 | 96 | 96 | 95 | 95 |
| Fe2O3 %≥ | / | 0.8 | 1 | 1.2 | 1.2 |
| 0.2MPa RUL°C ≥ | 1650 | 1680 | 1670 | 1660 | 1650 |
| FUSION INDES: | / | 0.5 | / | 0.7 | / |
| one BRICK<20kg | / | 0.6 | / | 0.7 | / |
| one BRICK ≥20kg | | | | | |
| True density g/cm3 ≤ | 2.34 2.35 | 2.34 |
| PLC % 1450°C×2h | +0.2 0 | / |
| AP % ≤ | 22(23) | 24 | 22(24) |
| Thermal expansion 1000°C % ≤ | 1.28 | 1.3 | / |
| CCS MPa ≥ | 30 | 25 | 35(30) |
| one brick<20kg | 30(25) |
| one brick≥20kg |
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