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:How do monolithic refractories prevent thermal radiation in the iron and steel industry?
- Monolithic refractories play a vital role in the iron and steel industry by preventing thermal radiation. Thermal radiation is the transfer of heat energy through electromagnetic waves and poses a significant challenge due to the industry's high temperatures. Monolithic refractories are refractory materials that come in a single piece and are designed with exceptional thermal insulation properties. They have low thermal conductivity, meaning they do not conduct heat well. This quality allows them to act as a barrier against thermal radiation. In the iron and steel industry, monolithic refractories are commonly used as linings in furnaces, ladles, and other equipment exposed to extreme temperatures. These linings act as protective layers, preventing heat from escaping and reducing the emission of thermal radiation. Furthermore, monolithic refractories have high emissivity, which means they can absorb and re-emit thermal radiation effectively. This characteristic enables them to capture and contain heat within the equipment, minimizing the amount of radiation that escapes into the surroundings. By preventing thermal radiation, monolithic refractories help maintain the desired temperatures during the iron and steel production process. This is crucial for achieving efficient and controlled operations, as well as ensuring the quality of the final products. Moreover, the use of monolithic refractories in the iron and steel industry also contributes to energy savings. By reducing heat loss through thermal radiation, less energy is needed to maintain the desired temperatures, resulting in lower energy consumption and cost savings. In conclusion, monolithic refractories are indispensable for preventing thermal radiation in the iron and steel industry. Their excellent thermal insulation properties, low thermal conductivity, and high emissivity make them effective barriers against heat transfer through radiation. By minimizing heat loss and ensuring controlled temperatures, monolithic refractories contribute to efficient operations, high-quality products, and energy savings.
- Q:What are the key characteristics of monolithic refractories for electric arc furnace applications?
- Monolithic refractories for electric arc furnace applications have several key characteristics that make them suitable for the harsh conditions and high temperatures encountered in these environments. Firstly, monolithic refractories offer excellent thermal shock resistance. Electric arc furnaces operate at extremely high temperatures, and the rapid temperature changes that occur during the melting and refining processes can cause significant thermal stress. Monolithic refractories are designed to withstand these thermal shocks without cracking or spalling, ensuring the longevity and performance of the lining. Secondly, monolithic refractories have high resistance to chemical attack. Electric arc furnaces involve the melting and refining of various metals and alloys, which can create highly corrosive atmospheres. Monolithic refractories are formulated with chemically inert materials and additives that provide resistance to the corrosive effects of molten metals and slag, protecting the lining from chemical degradation. Another important characteristic of monolithic refractories for electric arc furnace applications is their high refractoriness. Refractoriness refers to the ability of a material to retain its strength and integrity at high temperatures. Electric arc furnaces typically operate at temperatures above 1500°C, and monolithic refractories are designed to withstand these extreme conditions without significant loss of properties or degradation. Furthermore, monolithic refractories offer good thermal conductivity. This property allows for efficient heat transfer throughout the lining, ensuring uniform heating and melting of the charge material. It also helps to minimize hot spots and thermal gradients, which can lead to uneven wear and premature failure of the lining. Lastly, monolithic refractories are known for their ease of installation and repair. Unlike traditional brick or block refractories, monolithic materials can be cast, sprayed, or rammed into place, eliminating the need for complex masonry work. This not only saves time and labor but also allows for easy maintenance and repair of the lining, reducing downtime and improving overall furnace efficiency. In summary, the key characteristics of monolithic refractories for electric arc furnace applications include excellent thermal shock resistance, high chemical resistance, high refractoriness, good thermal conductivity, and ease of installation and repair. These properties make monolithic refractories ideal for withstanding the harsh conditions and demanding requirements of electric arc furnace operations.
- Q:How do monolithic refractories withstand thermal cycling in the iron and steel industry?
- Monolithic refractories, with their unique composition and properties, are designed to endure thermal cycling in the iron and steel industry. Unlike traditional refractory bricks that are stacked together, these refractories are made from a single, continuous material. One of the reasons monolithic refractories are capable of withstanding thermal cycling is their ability to expand and contract without any cracking or damage. This is because of their high thermal shock resistance, which measures their capacity to endure rapid temperature changes. Monolithic refractories are specifically formulated to possess low thermal conductivity, enabling them to resist heat transfer and minimize thermal gradients within the material. Additionally, monolithic refractories exhibit exceptional thermal stability, meaning they can maintain their structural integrity and mechanical strength even at high temperatures. This is critical in the iron and steel industry, where temperatures can reach extreme levels. These refractories are able to endure repeated heating and cooling cycles without experiencing significant structural alterations or degradation. Moreover, monolithic refractories possess good corrosion resistance, which is crucial in an environment where they come into contact with molten metal and various chemical agents. Their composition and special additives aid in safeguarding the refractory material from chemical attack, preventing erosion and extending their lifespan. The manufacturing process of monolithic refractories allows for effortless installation and repair, as they can be applied as a liquid or a semi-liquid mixture. This reduces the risk of joints or weak points that could lead to thermal stress or failure during thermal cycling. Overall, the combination of high thermal shock resistance, low thermal conductivity, excellent thermal stability, corrosion resistance, and easy installation makes monolithic refractories highly durable and capable of enduring the severe thermal cycling conditions present in the iron and steel industry.
- Q:How do monolithic refractories contribute to the overall efficiency of ladle slagging operations?
- Monolithic refractories play a crucial role in improving the overall efficiency of ladle slagging operations. Ladle slagging is a process that involves the removal of impurities from molten metal in a ladle before it is poured into molds or further processed. One of the key contributions of monolithic refractories is their ability to withstand high temperatures, which is essential in ladle slagging operations. The refractory lining of the ladle needs to be able to endure the extreme heat generated by the molten metal and slag, as well as the chemical reactions occurring during the process. Monolithic refractories, with their high thermal stability, prevent the lining from cracking or deteriorating, thus ensuring the integrity of the ladle and maintaining its efficiency. Additionally, monolithic refractories offer excellent resistance to chemical erosion and corrosion. During the ladle slagging process, the molten metal and slag can contain various impurities and aggressive chemicals, such as sulfur, phosphorus, and other oxides. These substances can attack and degrade the lining of the ladle, compromising its efficiency. However, monolithic refractories are designed to resist these chemical attacks, thereby extending the lifespan of the ladle and reducing the need for frequent repairs or replacements. Moreover, monolithic refractories provide good thermal insulation properties. Ladle slagging operations require precise temperature control to ensure the desired chemical reactions and efficient removal of impurities. The thermal insulation offered by monolithic refractories helps to maintain a consistent temperature within the ladle, preventing heat loss and allowing for optimized slagging conditions. This insulation also minimizes energy consumption and improves the overall energy efficiency of the ladle slagging process. In conclusion, monolithic refractories contribute significantly to the overall efficiency of ladle slagging operations. Their ability to withstand high temperatures, resist chemical erosion, and provide thermal insulation ensures the integrity and longevity of the ladle. By reducing the need for frequent repairs and allowing for precise temperature control, monolithic refractories optimize the slagging process, leading to improved productivity and cost-effectiveness.
- Q:How do monolithic refractories contribute to the overall efficiency of ladle cleaning operations?
- Monolithic refractories contribute to the overall efficiency of ladle cleaning operations by providing a durable and heat-resistant lining that can withstand high temperatures and chemical reactions. This lining helps to prevent the erosion and corrosion of the ladle, ensuring its longevity and reducing the need for frequent repairs or replacement. Additionally, monolithic refractories offer excellent thermal insulation, which helps to maintain the desired temperature of the ladle's contents and minimize heat loss. This ultimately improves the ladle's efficiency and reduces energy consumption during ladle cleaning operations.
- Q:How do monolithic refractories enhance the efficiency of reheating furnaces?
- Monolithic refractories play a crucial role in enhancing the efficiency of reheating furnaces in several ways. Firstly, monolithic refractories offer excellent thermal insulation properties, which minimize heat losses from the furnace. This insulation helps to maintain a high and consistent temperature inside the furnace, reducing the need for excessive fuel consumption and improving energy efficiency. Secondly, monolithic refractories have high thermal conductivity, which allows for efficient heat transfer within the furnace. This means that the heat generated by the burners can be evenly distributed throughout the furnace, ensuring uniform heating of the materials being reheated. This uniform heating not only enhances the overall efficiency but also helps to prevent hot spots or cold spots, which can negatively impact the quality of the reheated products. Moreover, monolithic refractories have excellent resistance to thermal shock and mechanical stress. Reheating furnaces often undergo rapid temperature changes and are subjected to intense mechanical forces due to the movement of materials and the operation of various equipment. The use of monolithic refractories helps to prevent cracks, spalling, and other forms of refractory damage, thus ensuring the longevity and continuous operation of the furnace without interruptions for repairs. Additionally, monolithic refractories offer ease of installation, repair, and maintenance compared to traditional brick refractories. Their ability to be cast or sprayed onto the furnace lining allows for a more precise and seamless installation, reducing the risk of weak joints or gaps that could compromise the furnace's efficiency. Furthermore, in case of any damage or wear, monolithic refractories can be easily repaired or patched up, minimizing downtime and improving the overall productivity of the furnace. In summary, the use of monolithic refractories in reheating furnaces enhances efficiency by providing effective thermal insulation, facilitating uniform heat distribution, resisting thermal shock and mechanical stress, and allowing for easier installation and maintenance. These benefits contribute to lower energy consumption, improved product quality, increased furnace durability, and reduced operational costs.
- Q:How are monolithic refractories installed in iron and steel production processes?
- Monolithic refractories are installed in iron and steel production processes using various methods depending on the specific application and requirements. The installation process typically involves the following steps: 1. Surface Preparation: Before installing monolithic refractories, the surface where they will be applied must be properly prepared. This involves cleaning and removing any loose materials, dust, or contaminants from the substrate. 2. Mixing: Monolithic refractories consist of different materials such as aggregates, binders, and additives. These components are mixed in specific proportions to achieve the desired properties and consistency. The mixing process can be done manually or using mechanical mixers. 3. Application: There are different techniques for applying monolithic refractories, including gunning, casting, ramming, and troweling. The chosen method depends on factors such as the shape of the structure, accessibility, and required thickness. - Gunning: This method involves using a gunning machine to spray the refractory material onto the surface. It is commonly used to repair or patch existing linings or for rapid installation in areas that are difficult to access. - Casting: In casting, the refractory material is poured into molds or forms and left to set and harden. This method is suitable for creating complex shapes and large-sized components. - Ramming: Ramming involves manually or mechanically compacting the refractory material into a mold or form using a ramming tool. This technique is commonly used for lining induction furnaces, ladles, and other equipment. - Troweling: Troweling is a manual method where the refractory material is applied and smoothed using a trowel. It is often used for smaller repairs or touch-ups. 4. Curing: After the refractory material is applied, it needs to be cured to achieve its optimum strength and performance. Curing involves allowing the material to dry and harden at a controlled temperature and humidity for a specified period. This step is crucial to ensure the long-term durability and resistance of the monolithic refractory lining. Overall, the installation of monolithic refractories in iron and steel production processes requires careful preparation, proper mixing, and the appropriate application technique. It is essential to follow manufacturer guidelines and industry best practices to ensure a successful installation that meets the specific needs of the production process.
- Q:What are the specific requirements of monolithic refractories for steel ladle purging applications?
- Monolithic refractories used for steel ladle purging applications need to possess specific characteristics. These include high resistance to thermal shock and spalling, excellent erosion and corrosion resistance, low porosity, and high strength at high temperatures. Additionally, they should have good thermal conductivity and be capable of withstanding aggressive steel compositions and temperatures. Overall, the specific requirements for monolithic refractories in steel ladle purging applications are aimed at ensuring durability, longevity, and optimal performance in the harsh conditions of the steelmaking process.
- 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.
- Q:How do monolithic refractories perform in reheating furnace roof applications?
- Monolithic refractories are highly effective in reheating furnace roof applications. These refractories are known for their excellent thermal shock resistance, which is crucial in the extreme temperature conditions inside a reheating furnace. They can withstand rapid temperature changes without cracking or spalling, ensuring the longevity and durability of the furnace roof. Additionally, monolithic refractories offer superior insulation properties, which help in maintaining the desired temperature inside the furnace. These refractories have low thermal conductivity, preventing heat loss and reducing energy consumption. This not only improves the energy efficiency of the furnace but also contributes to cost savings for the operators. Furthermore, monolithic refractories provide excellent resistance to chemical attacks from gases and molten metals present in the furnace environment. They are designed to withstand corrosive atmospheres and prevent the penetration of harmful substances, thus prolonging the life of the roof refractory. Moreover, monolithic refractories offer easy installation and repair options. Their ability to be cast or gunned in place allows for a seamless and precise application to the roof structure. This feature also enables quick and efficient repairs or maintenance, minimizing downtime and production losses. In conclusion, monolithic refractories are a reliable and efficient choice for reheating furnace roof applications. Their exceptional thermal shock resistance, insulation properties, chemical resistance, and ease of installation make them an ideal solution for maintaining the structural integrity and performance of the furnace roof.
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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