Tap Hole Fillers for EAF
- Ref Price:
-
$1,279.11 - 1,563.35
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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General Information of Tap Hole Fillers for EAF
Made as per international standards, ALRE tap hole fillers for EAF is known for its excellent corrosion and scouring resistance of iron steel, long operating life and easy execution and mending. Further, these can be provided in different specifications as required by the clients.
Technical data of Tap Hole Fillers for EAF
Item | Tap Hole Fillers | |
Al2O3(%)≥ | — | |
MgO(%)≥ | 50 | |
CaO(%)≤ | — | |
SiO2(%)≤ | 35~40 | |
Fe2O3(%)≥ | — | |
Cr2O3 | — | |
Bulk Density （g/cm3）≥ | 110℃×24h | — |
1600℃×3h | — | |
C.C.S. (MPa)≥ | 110℃×24h | — |
1600℃×3h | — | |
M.O.R.(MPa)≥ | 110℃×24h | — |
1600℃×3h | — | |
Grain Size Distribution (%) | >6mm≤10 | |
Heavy Burn Line Rate(1300℃×3h)(%) | — | |
Production line and Test Room of Tap Hole Fillers for EAF
Feature of Tap Hole Fillers for EAF
Long operating life
Easy execution and mending
Excellent corrosion and scouring resistance of iron steel
Application of Tap Hole Fillers for EAF
ALRE tap hole fillers for EAF can be used widely to fill the tap hole of EBT.
- Q:What are the main challenges in designing the lining system with monolithic refractories?
- The main challenges in designing the lining system with monolithic refractories include ensuring proper installation and curing, achieving adequate strength and durability, managing thermal expansion and contraction, controlling shrinkage and cracking, and maintaining chemical resistance against corrosive environments. Additionally, the selection of suitable raw materials, proper mixing techniques, and effective installation methods are crucial to overcome these challenges and ensure a successful lining system design.
- Q:How do monolithic refractories improve the efficiency of ladle and tundish drying furnaces?
- The efficiency of ladle and tundish drying furnaces is enhanced by monolithic refractories in multiple ways. To begin with, monolithic refractories provide a high level of thermal insulation. These refractories possess low thermal conductivity, effectively minimizing heat transfer from the furnace to the surrounding environment. This insulation property helps to reduce heat losses and maintain a higher temperature within the furnace for a longer duration. Consequently, the drying process becomes more efficient as the heat is retained within the furnace, resulting in a decrease in overall energy consumption. Furthermore, monolithic refractories exhibit exceptional resistance to thermal shock. The rapid temperature fluctuations that occur during the heating and cooling cycles of the furnace can cause stress and cracks in the refractory material. However, monolithic refractories are designed to withstand these thermal shocks and maintain their structural integrity. This durability ensures a longer lifespan for the refractory lining, reducing the need for frequent repairs or replacements. Consequently, the furnace operates at optimal efficiency without the downtime associated with maintenance. In addition, monolithic refractories offer excellent mechanical strength and abrasion resistance. These properties are crucial in ladle and tundish drying furnaces, which are subjected to mechanical stresses and abrasive substances like molten metal and slag. The use of monolithic refractories ensures that the lining can endure these harsh conditions without suffering structural damage. This resistance to wear and tear increases the overall efficiency of the furnace, enabling it to operate uninterrupted for longer periods. Lastly, monolithic refractories provide greater design flexibility compared to traditional brick or tile refractories. They can be easily cast or gunned onto the lining surface, simplifying installation and repair processes. This flexibility allows the furnace to be customized and adapted to meet specific requirements, ensuring optimal heat distribution and efficient drying processes. In conclusion, monolithic refractories enhance the efficiency of ladle and tundish drying furnaces through their thermal insulation, resistance to thermal shock, mechanical strength, and design flexibility. By reducing heat losses, increasing durability, withstanding harsh conditions, and facilitating easy installation and repair, these refractories optimize the performance and energy efficiency of the furnaces.
- Q:How do monolithic refractories improve the durability of furnace linings?
- Monolithic refractories play a crucial role in enhancing the durability of furnace linings due to their unique characteristics and properties. These materials are composed of a single, homogeneous structure, unlike traditional brick refractories that consist of individual bricks or tiles. One of the key ways in which monolithic refractories improve the durability of furnace linings is through their ability to eliminate joints and seams. In traditional brick refractories, the joints between the bricks can be weak points where cracks and failures can occur due to thermal expansion and contraction. Monolithic refractories, on the other hand, are poured or gunned into place, ensuring a seamless lining. This seamless structure minimizes the potential for cracks, making the lining more durable and less susceptible to thermal stress. Monolithic refractories also have excellent thermal shock resistance, which is crucial for furnace linings that are subjected to rapid and extreme temperature changes. The monolithic structure allows for better heat transfer and distribution, preventing localized hotspots that can lead to thermal shock and lining failure. This enhanced thermal shock resistance ensures that the furnace lining can withstand the repeated heating and cooling cycles without significant damage, hence improving its overall durability. Additionally, monolithic refractories offer superior erosion and corrosion resistance. Furnace linings are often exposed to harsh chemicals, molten metals, and abrasive materials, which can cause erosion and corrosion over time. Monolithic refractories are designed to resist these corrosive agents, protecting the lining from chemical attacks and physical wear. This resistance ensures a longer lifespan for the furnace lining and reduces the need for frequent repairs or replacements. Furthermore, monolithic refractories provide better insulation properties compared to traditional brick refractories. They have lower thermal conductivity, meaning that heat transfer through the lining is minimized. This insulation property helps to maintain a more stable and uniform temperature within the furnace, reducing thermal stress on the lining and contributing to its longevity. In summary, monolithic refractories improve the durability of furnace linings by eliminating joints and seams, enhancing thermal shock resistance, providing erosion and corrosion resistance, and offering superior insulation properties. These materials are specifically designed to withstand the extreme conditions inside furnaces, ensuring a longer lifespan for the lining and reducing maintenance costs in the long run.
- Q:How do monolithic refractories mitigate heat loss in iron and steel operations?
- Monolithic refractories are highly effective in mitigating heat loss in iron and steel operations due to their unique properties and composition. These refractories are made from a single, continuous material, making them resistant to cracks and gaps that could allow heat to escape. One key advantage of monolithic refractories is their excellent thermal conductivity and insulation properties. They have a low thermal conductivity, which means they can effectively restrict the transfer of heat from the hot areas to the cooler surroundings. This insulation property helps maintain high temperatures within the iron and steel operations, reducing heat loss to the environment. Another factor that contributes to the heat loss mitigation is the ability of monolithic refractories to form a tight seal with the metal structures they are applied to. They adhere well to the surfaces and fill in any gaps or irregularities, creating a solid barrier against heat loss. This seal minimizes the possibility of heat escaping, ensuring that the energy generated within the operations is effectively utilized. Furthermore, monolithic refractories have high resistance to thermal shock. In the iron and steel industry, extreme temperature fluctuations are common, which can lead to material deterioration and cracks. Monolithic refractories, with their high thermal shock resistance, are able to withstand these rapid temperature changes without compromising their structural integrity. This ensures the longevity and effectiveness of the refractories in mitigating heat loss. Overall, monolithic refractories play a crucial role in mitigating heat loss in iron and steel operations by providing excellent insulation, forming a tight seal, and withstanding thermal shock. These properties allow the refractories to maintain high temperatures within the operations, optimize energy utilization, and enhance the overall efficiency of the processes.
- Q:How do monolithic refractories perform in high-temperature environments?
- Monolithic refractories perform exceptionally well in high-temperature environments due to their ability to withstand extreme heat without significant deformation or structural damage. They exhibit excellent thermal conductivity, resistance to thermal shock, and maintain their strength and integrity even at elevated temperatures. This makes them ideal for applications such as kilns, furnaces, and other industrial processes where consistent and reliable performance at high temperatures is crucial.
- Q:What are the main causes of monolithic refractory failure in the iron and steel industry?
- The main causes of monolithic refractory failure in the iron and steel industry include thermal cycling, chemical attack, mechanical wear, and improper installation or curing.
- Q:What are the common challenges faced by monolithic refractories in the iron and steel industry?
- Monolithic refractories play a crucial role in the iron and steel industry, where they are extensively used in various applications such as lining furnaces, ladles, and tundishes. However, these materials also face several common challenges in this industry. One of the major challenges is thermal shock. Monolithic refractories are exposed to extreme temperature variations, particularly during the start-up and shut-down phases of the production process. The rapid heating and cooling cycles can cause thermal stress, leading to cracking and spalling. To combat this challenge, refractory manufacturers develop high-quality monolithic materials with enhanced thermal shock resistance. Another significant challenge is corrosion. The iron and steel industry involves the use of various aggressive materials such as molten metal, slag, and gases, which can chemically attack the refractory lining. This corrosion can lead to material degradation, erosion, and reduced service life. To address this issue, specialized monolithic refractories with excellent corrosion resistance are employed, often containing additives that can withstand the corrosive environment. Abrasion is also a common challenge faced by monolithic refractories in the iron and steel industry. The movement of raw materials, molten metal, and slag can cause mechanical wear on the refractory lining, resulting in loss of material and compromised performance. Refractory manufacturers develop abrasion-resistant monolithic materials that can withstand the intense wear and tear, ensuring prolonged service life. Furthermore, the iron and steel industry often requires refractories with good thermal conductivity. This is crucial to efficiently transfer heat and maintain optimal operating conditions. Achieving the right balance between thermal conductivity and mechanical strength can be challenging, as refractories with high thermal conductivity often exhibit lower mechanical strength. Therefore, selecting the appropriate monolithic refractory with the desired thermal conductivity properties is crucial for achieving optimal performance. Lastly, monolithic refractories also face challenges related to installation and maintenance. Due to their liquid or semi-liquid nature, the application of monolithic refractories requires skilled personnel and careful installation techniques. Moreover, periodic maintenance and repair are essential to ensure the longevity and performance of the refractory lining. Regular inspections, repairs, and proper curing techniques are necessary to mitigate these challenges and optimize the refractory's performance. In conclusion, monolithic refractories in the iron and steel industry face challenges such as thermal shock, corrosion, abrasion, thermal conductivity, and installation/maintenance. Addressing these challenges through the development of specialized refractory materials and employing proper installation and maintenance techniques is crucial for ensuring efficient and reliable performance in this demanding industry.
- Q:What are the challenges in recycling and disposing of monolithic refractories?
- One challenge in recycling and disposing of monolithic refractories is the high temperature resistance and durability of these materials, which makes them difficult to break down and recycle. Additionally, the presence of various contaminants, such as metals and other impurities, can further complicate the recycling process. Proper disposal of monolithic refractories also poses challenges due to the potential environmental impact of disposing of these materials, as they may contain hazardous substances. Therefore, finding efficient and environmentally-friendly methods for recycling and disposing of monolithic refractories remains a challenge in the industry.
- Q:What are the key factors to consider when designing the lining system with monolithic refractories?
- When designing a lining system with monolithic refractories, there are several key factors that need to be considered in order to ensure optimal performance and longevity of the lining. These factors include: 1. Material selection: Choosing the right monolithic refractory material is crucial. Factors such as the operating temperature, chemical environment, and mechanical stress need to be taken into account. Different monolithic refractories have varying properties and performance characteristics, so selecting the most suitable material for the specific application is essential. 2. Thermal expansion: Monolithic refractories, like any other material, expand and contract with changes in temperature. It is important to consider the thermal expansion properties of the refractory material and how it will interact with the surrounding structure. Proper expansion joints or design features should be incorporated to accommodate thermal expansion and prevent cracking or spalling. 3. Installation technique: The method of installation plays a critical role in the performance of the lining system. It is important to follow the manufacturer's guidelines for mixing, placing, and curing the monolithic refractory material. Improper installation can lead to reduced lining integrity, decreased thermal conductivity, and compromised structural stability. 4. Bonding and anchoring: Ensuring a strong bond between the monolithic refractory and the substrate is essential for effective lining performance. Proper surface preparation, selection of suitable bonding agents, and appropriate anchoring techniques should be considered to enhance the adhesion and stability of the lining system. 5. Structural design: The structural design of the lining system should be carefully planned to withstand the mechanical stresses and operational conditions. Factors such as load-bearing capacity, thermal shock resistance, and thermal cycling should be taken into consideration during the design phase. Reinforcement materials, such as steel fibers or mesh, may be required to enhance the structural integrity and prevent cracking or spalling. 6. Maintenance and repair: Anticipating the need for maintenance and repair is crucial for the longevity of the lining system. Consideration should be given to access points, inspection ports, and repair techniques. Regular inspections and proactive maintenance can help identify and address any issues before they escalate and lead to major failures. By considering these key factors when designing the lining system with monolithic refractories, one can ensure a well-designed and effective lining that can withstand the harsh conditions and provide long-term performance.
- Q:How are monolithic refractories installed and repaired in iron and steel plants?
- Monolithic refractories are essential components in iron and steel plants, as they provide high-temperature resistance and insulation. They are commonly used in various applications, such as lining furnaces, ladles, and other equipment that come into contact with molten metal. The installation of monolithic refractories in iron and steel plants typically involves several steps. First, the surface that will receive the refractory material must be prepared by removing any existing refractories or contaminants. This can be done through mechanical methods, such as sandblasting, or chemical cleaning processes. Next, the monolithic refractory material is mixed with water or a suitable binder to form a workable consistency. This mixture is then applied to the prepared surface using various techniques, such as gunning, casting, or troweling. Gunning involves using a high-pressure gun to spray the refractory material onto the surface, while casting involves pouring the mixture into a mold. Troweling is a manual method that involves spreading the refractory material with a trowel. Once the refractory material is applied, it needs to be properly cured or dried. This is usually achieved by allowing the material to air dry or by using controlled heating. The curing process is crucial to ensure the refractory material develops the desired properties, such as strength and resistance to thermal shock. In terms of repairs, monolithic refractories in iron and steel plants can deteriorate over time due to the harsh operating conditions. When repairs are needed, damaged or worn-out areas of the refractory lining must be identified. This can be done through visual inspection or non-destructive testing techniques. The repair process typically involves removing the damaged refractory material by chipping, drilling, or cutting. The surface is then prepared as mentioned earlier, and a new batch of monolithic refractory material is applied to restore the lining. The repair material should be compatible with the existing lining and provide similar properties to ensure the overall integrity of the refractory structure. It is important to note that the installation and repair of monolithic refractories in iron and steel plants require skilled personnel with knowledge of refractory materials and installation techniques. Additionally, proper safety measures should be followed to protect workers from potential hazards, such as exposure to high temperatures, dust, and chemicals. Regular inspection and maintenance are also crucial to identify any potential issues early on and prevent major failures that could impact production and safety.
We are an industrial enterprise of refractories integrating the scientific research, design, production and engineering service. With first-class quality of products, high-efficient and prompt after-sale service, our products are not only well sold in many domestic large steel enterprises and coking enterprises, but also widely exported to more than 23 countries and regions.
1. Manufacturer Overview |
|
|---|---|
| Location | Henan, China |
| Year Established | 2007 |
| Annual Output Value | Above US$ 200 Million |
| Main Markets | North America;Asia;Western Europe;Africa;Russia;Middle East |
| Company Certifications | ISO 9001:2008 |
2. Manufacturer Certificates |
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|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 20% - 30% |
| No.of Employees in Trade Department | 10-20 People |
| Language Spoken: | English; Chinese |
| b)Factory Information | |
| Factory Size: | Above 150,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | Installation guide, OEM Service Offered |
| Product Price Range | High; Average |
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Tap Hole Fillers for EAF
- Ref Price:
-
$1,279.11 - 1,563.35
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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