• Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel System 1
  • Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel System 2
  • Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel System 3
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Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel

Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
100 kg
Supply Capability:
3000000 kg/month

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Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel

Product Description:

Corundum castable is manufactured according to international standards. The product is famous for its excellent abrasion resistance and low thermal conductivity. Further, these can be provided in different specifications as required by the clients. The Corundum castables are used high purity raw materials and additives as the main material, and made of under superfine powder adding technology. 

Product Advantages:

The material has excellent structural stability and air tightness, and has high physical and chemical properties, also has a fine working ability.They should be used with the same material products.

Product Applications:

For feature of Corundum castable, they have excellent abrasion resistance, thermal shock resistance, high-temperature resistance, anti-corrode and have high intensity.

Designed for refractory lining of blast furnace iron and slag runners, skimmers and soon

They can be used in troughs of small and mid size BFs and in all positions of the troughs where fast tapping is required.

Product Specifications:

Low Aluminum Ramming Castable Made in China

FAQ:

1. How you can control your quality?

For each production processing, we have complete QC system for the chemical composition

and Physical properties. After production, all the goods will be tested, and the quality certificate

will be shipped along with goods.

2. What's your delivery time?

It usually needs about 20days- 45 days after receiving the deposit.

3. Do you provide free samples?

Yes, we can provide a free sample for testing, If we have sample in stock,

The quantity based on the material type, The buyer should bear all the shipping costs.

4. What's your payment terms?

We can accept 30% deposit, 70% balance before shipment for ordrs over $ 2000.

5. Can we visit your Company?

Yes, certainly. You are very welcome to China and we will be honored to have a customer and friend.

Product Picture:

Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel

Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel

Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel

Corundum Castable For Fireplace and Industrial Furnace in Iron and Steel




Q:What are the recommended installation techniques for monolithic refractories?
The installation techniques for monolithic refractories depend on the specific type and application of the refractory material. However, there are general guidelines that can be followed for most installations of monolithic refractories. 1. Surface Preparation: Prior to installing monolithic refractories, it is essential to ensure that the surface is clean, dry, and free from loose particles or contaminants. This can be accomplished by removing any existing refractory materials, thoroughly cleaning the surface, and allowing it to completely dry. 2. Mixing: Monolithic refractories are typically supplied in either a dry or wet form, depending on the specific material. If the refractory is in a dry form, it must be mixed with water or a suitable liquid binder to achieve a workable consistency. It is important to follow the manufacturer's guidelines for the correct mixing ratio and duration to ensure proper bonding and setting of the refractory material. 3. Application: The technique for applying monolithic refractories can vary depending on the specific material and desired installation method. Some common techniques include troweling, gunning, ramming, and casting. - Troweling: This involves manually applying the refractory material with a trowel, typically used for thin linings or patching small areas. - Gunning: Gunning is a method of applying refractory material using a gunning machine or handheld gun. It is suitable for large areas or areas that are difficult to access. The refractory material is mixed with water or a liquid binder and sprayed onto the surface at a high velocity. - Ramming: Ramming involves compacting the refractory material into place using a ramming tool or pneumatic hammer. It is commonly used for forming furnace linings or repairing damaged areas. - Casting: Casting refers to pouring the refractory material into a mold to create a desired shape or lining. It is often used for complex shapes or large-sized components. 4. Curing and Drying: Once the refractory material is applied, it must be properly cured and dried to achieve its maximum strength and thermal properties. The curing and drying process may vary depending on the specific material, but typically involves controlled heating at a gradual rate to eliminate any remaining moisture and allow the refractory to set and harden properly. It is important to note that these are general guidelines, and it is always recommended to consult the manufacturer's instructions and specifications for the specific monolithic refractory material being used. Following the recommended installation techniques will help ensure the proper performance and longevity of the refractory lining.
Q:How do monolithic refractories protect lining in ladles and tundishes?
Monolithic refractories protect lining in ladles and tundishes by forming a strong and durable barrier against the harsh conditions of high temperatures, thermal shock, and chemical corrosion. They are designed to withstand the extreme heat and mechanical stresses that occur during metal pouring and handling, ensuring the integrity and longevity of the lining. Additionally, monolithic refractories provide excellent insulation properties, reducing heat loss and conserving energy in the ladles and tundishes.
Q:What are the common failure modes of monolithic refractories in iron and steel applications?
Monolithic refractories, known for their exceptional thermal shock resistance, high temperature stability, and mechanical strength, find extensive use in iron and steel applications. However, like any other material, they are susceptible to failure. Numerous failure modes are associated with monolithic refractories in iron and steel applications. 1. Spalling, the detachment of refractory material from the surface, stands as one of the most prevalent failure modes. This detachment occurs due to thermal cycling, mechanical stress, or chemical reactions. Mismatched thermal expansion coefficients between the refractory and the surrounding structure can lead to cracking and subsequent detachment. 2. Erosion, another common failure mode, arises when the refractory material encounters the erosive action of molten metal, slag, or gases. Physical impact from flowing metal or chemical attack by corrosive slag components can contribute to erosion. This results in the loss of refractory material, reduced lining thickness, and compromised performance. 3. Corrosion, a significant failure mode, particularly affects iron and steel applications in contact with aggressive atmospheres or molten metal. The interaction between the refractory material and corrosive agents, such as oxides, sulfides, or alkalis present in the environment, leads to corrosion. Corrosion products weaken the refractory lining and shorten its lifespan. 4. Thermal shock, caused by extreme temperature fluctuations, poses a risk to monolithic refractories in iron and steel applications. Rapid heating or cooling can trigger thermal shock, resulting in cracking and failure of the refractory material. Thermal shock can occur due to uneven heating or cooling, sudden temperature changes, or thermal gradients within the refractory lining. 5. Abrasion is a potential failure mode in specific iron and steel applications, where monolithic refractories are exposed to abrasive wear. This wear occurs when the refractory lining comes into contact with solid particles like metallic oxides, slags, or raw materials. The repeated impact and rubbing action of these particles cause erosion and abrasion of the refractory material, leading to failure. To mitigate these failure modes, it is crucial to select appropriate refractories, employ proper installation techniques, and practice regular maintenance. Regular inspections, repair of damaged areas, and the application of protective coatings can greatly enhance the lifespan and performance of monolithic refractories in iron and steel applications.
Q:What are the specific requirements of monolithic refractories for ladle transfer applications?
Monolithic refractories for ladle transfer applications need to have high thermal shock resistance, excellent corrosion resistance, and good thermal conductivity. They should also have low porosity to prevent molten metal penetration and maintain their structural integrity. Additionally, these refractories should possess good erosion resistance and be able to withstand the mechanical stresses of ladle transfer operations.
Q:How do monolithic refractories improve the efficiency of ladle and tundish purging furnaces?
Monolithic refractories improve the efficiency of ladle and tundish purging furnaces by providing better insulation, reducing heat loss, and enhancing the overall thermal efficiency of the furnaces. These refractories have high thermal conductivity and low thermal expansion, allowing for better heat transfer and uniform temperature distribution. Additionally, their superior resistance to thermal shocks and chemical attacks prolongs the lifespan of the furnaces, reducing maintenance and downtime.
Q:What are the recommended storage and handling practices for monolithic refractories?
To ensure optimal performance and longevity of monolithic refractories, it is crucial to adhere to recommended storage and handling practices. Take note of the following key practices: 1. Storage: Store monolithic refractories in a clean, dry, and well-ventilated area. Protect the storage facility from moisture, extreme temperatures, and direct sunlight. Ideally, use pallets or racks to prevent contact with the ground and minimize the risk of damage. 2. Handling: Handle monolithic refractories with care to avoid physical damage. Use appropriate lifting equipment, such as forklifts or cranes, to lift and move the refractories. This will prevent excessive stress or strain on the material. Avoid dropping or dragging them, as this can cause cracks or fractures. 3. Packaging: Inspect the packaging for any signs of damage or moisture before accepting the delivery. Damaged packaging may indicate potential damage to the refractory material. Immediately inform the supplier if any anomalies are noticed. 4. Moisture control: Protect monolithic refractories from direct contact with water or excessive humidity during storage and handling. Moisture absorption can reduce performance and structural integrity. If refractories become wet, thoroughly dry them before use to eliminate absorbed moisture. 5. Stack height: Consider the stack height when storing monolithic refractories. Excessive stacking can apply pressure on lower layers, leading to deformation or cracking. Follow the manufacturer's recommendations for maximum stack height to ensure structural integrity. 6. Regular inspection: Regularly inspect the refractory material for any signs of damage or degradation during storage and handling. Look for cracks, spalling, or any visible abnormalities. If any issues are identified, consult the manufacturer or a refractory expert to determine if the material is still suitable for use. By adhering to these recommended storage and handling practices, you can minimize the risk of damage to monolithic refractories, optimize their performance, extend their service life, and ensure their effectiveness in high-temperature applications.
Q:What are the factors affecting the thermal expansion of monolithic refractories?
The factors affecting the thermal expansion of monolithic refractories are the composition of the refractory material, the temperature gradient, and the firing or curing process.
Q:Can monolithic refractories be used in electric arc furnaces and induction furnaces?
Yes, monolithic refractories can be used in both electric arc furnaces and induction furnaces. Monolithic refractories are versatile and can withstand the high temperatures and thermal shocks generated in these types of furnaces. They are often preferred due to their ease of installation, improved energy efficiency, and suitability for various furnace lining applications.
Q:What are the considerations for repairing and relining monolithic refractories?
When repairing and relining monolithic refractories, there are several key considerations that need to be taken into account. First and foremost, it is crucial to assess the extent of the damage or deterioration in order to determine the appropriate repair method. Factors such as the type of refractory material, the operating conditions, and the expected service life must be considered. Additionally, it is essential to select the right refractory material for the repair or relining process. This involves evaluating the temperature range, chemical resistance, thermal conductivity, and mechanical properties of the refractory material to ensure it is compatible with the specific application. Another important consideration is the proper preparation of the surface before applying the repair material. This may involve removing any loose or damaged refractory, cleaning the surface thoroughly, and creating a suitable bonding surface to ensure optimal adhesion. Furthermore, the application technique and curing process of the repair material should be carefully followed to achieve the desired performance and durability. This may involve proper mixing, application thickness, drying time, and temperature control. Lastly, it is crucial to conduct regular inspections and maintenance to identify any signs of deterioration or damage early on. This proactive approach will help prevent major repairs or relining in the future and prolong the overall lifespan of the monolithic refractories.
Q:What are monolithic refractories and how are they used in the iron and steel industry?
Monolithic refractories possess a unified and uninterrupted structure, distinguishing them as a distinct type of refractory material. Unlike traditional refractory bricks, which involve the firing of individual pieces in a kiln, monolithic refractories consist of a single, seamless mass. This characteristic grants them superior versatility in terms of shape and size, rendering them ideal for a plethora of iron and steel industry applications. The iron and steel industry widely employs monolithic refractories due to their exceptional thermal and mechanical properties. They find application in various areas, including the lining of furnaces, kilns, ladles, and tundishes. These refractories are engineered to endure extreme temperatures, chemical erosion, and mechanical strain, ensuring the continuous and efficient operation of the steelmaking process. One prominent utilization of monolithic refractories within the iron and steel industry pertains to the lining of blast furnaces. These furnaces are substantial, cylindrical structures utilized for the production of pig iron from iron ore. The lining of these furnaces encounters intense heat, chemical reactions, as well as the abrasive nature of iron ore and hot gases. Monolithic refractories, such as castables and gunning mixes, are employed to establish a robust lining that can withstand these harsh conditions. Another application involves the lining of ladles, which transport molten metal from the blast furnace to the steelmaking process. Monolithic refractories are used to line these ladles, protecting them from the corrosive impact of hot metal and slag. In this scenario, the ability to shape monolithic forms facilitates precise fitting and effortless installation. Monolithic refractories also play a crucial role in tundishes, vessels employed to evenly distribute molten metal into molds during continuous casting. The refractories utilized in tundishes must exhibit exceptional resistance to thermal shock and erosion to endure the high temperatures and abrasive nature of the molten metal. Monolithic refractories, such as ramming and patching mixes, are employed to mend and maintain the tundish lining. In summary, the iron and steel industry relies on monolithic refractories for their capacity to endure harsh conditions and provide enduring linings in various applications. By harnessing these advanced refractory materials, the industry can achieve heightened efficiency, reduced downtime, and enhanced productivity in the steelmaking process.

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