Silica brick for hot blast stove
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 PCS
- Supply Capability:
- 50000 PCS/month
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Specifications
1.High refractoriness under load.
2.High heat conductivity.
3.Good thermal shock resistance.
4.Solidity stable of capacity
Typical Features:
1.High refractoriness under load.
2.High heat conductivity.
3.Good thermal shock resistance.
4.Solidity stable of capacity
Applications:
1.Silica brick is the main refractory bricks used in glass melting furnace;It has high refractoriness
2.Silica brick for glass melting furnace is used in building checker chamber, chute, combustion chamber,coking 3.chamber,and furnace arch etc.
4.Silica bricks and fireclay bricks are all acid-resistant bricks.They can be used for glass furnace and other acid
industrial furnace.
Specification:
Item /Specification | High quality silica brick |
SiO2 % ≥ | 94 |
Fe2O3% ≤ | 1.0 |
Meltability Index% ≤ | 1.0 |
True Density g/cm3 ≤ | 2.36 |
Refractoriness°C≥ | 1730 |
refractoriness under load ≥°C | 1650 |
Apparent Porosity%≤ | 25 |
Cold crushing strength ≥Mpa | 25 |
Reheating Linear Change1450°C×.2h ≤% | +0.2 |
Packaging & Delivery
Packaging Detail: | in plastic sheets and then in wooden pallets |
Delivery Detail: | about 30 days or as your requirement |
- Q:The chemical composition of silica brick and its physicochemical index?
- The physicochemical index of silica brick:Turn left to |
- Q:Semisilica brick interpretation
- Good thermal shock resistance. In use, more high viscosity glass phase can be formed, and the masonry brick joint and the working surface are dense and the masonry is complete, which is beneficial to improve the impermeability of the masonry and reduce the erosion effect of the slag on the masonry.
- Q:How much is the highest melting point of silicon?
- Mainly used for partition, carbonization chamber of coke oven and combustion chamber open hearth furnace regenerator and a sediment chamber, soaking furnace, glass melting furnace refractories and ceramic kiln, kiln vault and other load-bearing parts. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace
- Q:Because of the recent relates to this industry, by way of learning to name for all raw materials, I hope knowledgeable friends exhibitions, thank you.
- Classification of chemical components of refractory materialsAccording to the chemical characteristics of refractory raw materials can be divided into acidic refractory materials, such as silica, zircon etc.; neutral refractory raw material, such as corundum, bauxite, mullite (acidic) (acidic), Ge (alkaline) iron and graphite; alkaline refractory materials, such as magnesite, dolomite, magnesium sand calcium sand.
- Q:What is the main material of silica brickIt's common, the kind we see so often!
- Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into phosphorus and quartz. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.
- Q:Why in the production of the brick to detect the volume density
- Density is the property of material, different density of materials, density of the same kind of material is not up to standard, affecting performance.
- Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
- Tridymite content high thermal conductivity silica brick is 70%, tridymite content of traditional brick is 60%, tridymite content high thermal conductivity of silica brick than tridymite high content of 10% traditional brick,
- Q:What is acid refractory?
- Acid refractory material usually refers to refractories with SiO2 content greater than 93%. Its main characteristic is that it can resist acid slag corrosion at high temperature, but it is easy to react with alkaline slag.
- Q:The brick is mainly used in the place?
- Open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts.
- Q:The introduction of silica brick
- Brick refers to the content of more than 93% products SiO2. Brick with SiO2 content of not less than 96% of silica as raw materials, adding mineralizer and binder, through mixing, molding, drying, sintering and other processes in the system. The higher the content of SiO2 in silica raw material, the higher the refractoriness of the product. According to the use of brick varieties, divided into: coke oven silica brick, brick for hot blast stove, electric stove with brick, brick for glass furnaces. According to the transformation is divided into: standard bricks, tiles, bricks and general special brick etc..
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Silica brick for hot blast stove
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 PCS
- Supply Capability:
- 50000 PCS/month
OKorder Service Pledge
OKorder Financial Service
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