Magnesia Iron Spinel Brick
Magnesia iron spinel brick is a new variety that appeared in the late 1990s. It is made of special elastic manufacturing technology and divalent iron spinel. It is easy to form a layer of high viscosity on the hot surface of the brick. Calcium-iron and calcium-aluminum-iron compounds for hanging kiln skins. His characteristics are:
1. Easy to stick to the kiln skin
2. High softening temperature under load
3. Excellent corrosion resistance and thermal shock resistance
Product Description
The Al2O3 content in magnesia-iron spinel bricks is much lower than that of magnesia-alumina spinel, which slows down the erosion of clinker melt and alkali salt on the brick body. In addition, some cracks have the advantage of absorbing alkali compounds, so they are resistant to clinker Material melt and alkali salt are highly corrosive.
Application
Magnesia iron spinel bricks are suitable for the firing zone, transition zone and cooling zone of various cement rotary kilns.When the temperature is high, a layer of kiln skin can be attached to protect the lining brick from high-temperature flame erosion, and it has good wear resistance and is not worn at low temperature.
It can be used as the inner lining of ladles, converters, electric arc furnaces and other smelting equipment to withstand high temperature and chemical corrosion during the smelting process, and protect the furnace body from the erosion of molten steel and slag.
Magnesia iron spinel bricks are widely used in kilns in the glass industry. It has excellent alkali resistance and high temperature stability, can withstand high temperature and chemical corrosion in the glass melting process, and protect the furnace wall and bottom.
- Technical Sheet
- Production Process
- Packing & Shipping
| Normal temperature compressive strength(Mpa) | ≥70 |
| Bulk density(g/cm³) | ≥2.97 |
| Apparent porosity(%) | ≤17 |
| Thermal shock stability(1100℃,cool water) | ≥10 |
| Softening temperature under load(0.2Mpa,t0.6) | ≥1700 |
| MgO(%) | ≥88 |
| Al2O3(%) | 3.5-4.5 |
| Fe2O3(%) | 3.5-4.5 |
| SiO2(%) | ≤0.8 |
| CaO(%) | ≥1.2 |
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More Information About Jucos Refractory Andalusite
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A1:It exhibit excellent thermal stability, high-temperature resistance, corrosion resistance, and mechanical strength. They have good refractoriness, chemical inertness, and can withstand thermal shocks and severe operating conditions.
A2:They have excellent high-temperature resistance and can withstand temperatures ranging from 1600°C to 1800°C. They maintain their strength and integrity at these elevated temperatures, making them suitable for use in furnaces and other thermal processing equipment.
A3:Yes, they exhibit good resistance to chemical corrosion, particularly against alkaline slags and basic refractory environments. They are less prone to attack by alkaline compounds and can withstand the corrosive effects of molten metals and slag.
A4:Yes, they are suitable for use in contact with non-ferrous metals such as copper, aluminum, and their alloys. They have low reactivity with these metals, providing effective thermal insulation and resistance to corrosion.
A5:They should be installed following industry best practices and manufacturer guidelines. It’s important to ensure proper joint design, use appropriate refractory mortars, and consider thermal expansion. Regular inspections, repairs of any cracks or damage, and preventive maintenance can help extend the lifespan of the bricks and optimize their performance.