Gunning Mix for EAF
- Ref Price:
-
$553.11 - 676.03
/ 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
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Quality Product, Order Online Tracking, Timely Delivery
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General Information of Gunning Mix for EAF
ALRE gunning mix for EAF which is made strickly according to international standard is known for its excellent corrosion and scouring resistance of iron steel, long operating life and easy execution and mending.
Technical data of Gunning Mix for EAF
Item | Gunning Mix for EAF | ||
Al2O3 | % | ≥ | — |
MgO | % | ≥ | 86 |
CaO | % | ≤ | — |
Bulk density （g/cm3）≥ | 110℃×24h | 2.2 | |
1600℃×3h | — | ||
C.C.S. (MPa) ≥ | 110℃×24h | 60 | |
1600℃×3h | — | ||
M.O.R.(MPa) ≥ | 110℃×24h | — | |
1600℃×3h | 4.0 | ||
Max. service temperature（℃） ≥ | |||
Refractoriness (℃) | — | ||
Grain size distribution (%) | <3mm,≥90 <1mm,≥35 <0.074mm,≥20 | ||
Linear change after heating (%) | 0.0～0.4 ﹙1500℃×3hrs﹚ | ||
Application | Used for slag zone gunning of EAF | ||
Production line and Tesing Room of Gunning Mix for EAF
Feature of Gunning Mix for EAF
Excellent abrasive resistance performance
Easy execution and mending
Excellent corrosion and scouring resistance of iron steel
Application of Gunning Mix for EAF
ALRE gunning mix for EAF could be used widely for slag zone of EAF.
- Q:How can the lifespan of monolithic refractories be extended in the iron and steel industry?
- The lifespan of monolithic refractories in the iron and steel industry can be extended through various measures. Firstly, proper installation and maintenance of the refractories is crucial. This includes ensuring that the refractories are correctly shaped and sized to fit the specific application, as well as using appropriate installation techniques and materials. Regular inspections should be conducted to identify any signs of wear or damage, and immediate repairs or replacements should be carried out to prevent further deterioration. Secondly, implementing effective heat management practices can significantly prolong the lifespan of monolithic refractories. This involves monitoring and controlling the temperature gradients within the refractory lining to prevent thermal shock and excessive thermal cycling. Adequate insulation and cooling systems should also be in place to maintain a stable and controlled environment. Furthermore, proper handling and operation of the equipment and processes can contribute to extending the refractory lifespan. Avoiding sudden temperature changes, minimizing mechanical stress and impact, and employing appropriate operating procedures can help reduce the wear and tear on the refractories. Additionally, utilizing advanced refractory materials and technologies can enhance the lifespan of monolithic refractories. The development and use of high-performance and specialized refractories, such as advanced ceramics or specialized coatings, can provide increased resistance to thermal and chemical degradation, ultimately extending their lifespan. Lastly, continuous research and development efforts should be undertaken to explore innovative solutions for refractory longevity in the iron and steel industry. Collaborating with suppliers, experts, and industry partners can help identify and implement new technologies and techniques that can improve the durability and performance of monolithic refractories. In summary, extending the lifespan of monolithic refractories in the iron and steel industry requires a combination of proper installation and maintenance, effective heat management, careful handling and operation, utilization of advanced materials, and ongoing research and development. By implementing these strategies, the iron and steel industry can optimize refractory performance and reduce downtime and costs associated with frequent replacements.
- Q:How do monolithic refractories withstand the thermal cycling in coke oven applications?
- Monolithic refractories are specifically designed to withstand the harsh conditions of thermal cycling in coke oven applications. Thermal cycling refers to the repetitive heating and cooling cycles that occur in these high-temperature environments. One of the key factors that enables monolithic refractories to withstand thermal cycling is their composition. They are typically made from a combination of different refractory materials, such as high-alumina, silica, and magnesia, which provide excellent thermal shock resistance. These materials have low thermal conductivity and high thermal expansion properties, allowing them to expand and contract without cracking or spalling under extreme temperature changes. Moreover, monolithic refractories have excellent bonding and adhesion properties, allowing them to form a strong and cohesive structure. This ensures that they can withstand the mechanical stresses caused by the thermal cycling process. Additionally, monolithic refractories can be installed in place through various techniques, such as gunning, casting, or ramming, which further enhances their resistance to thermal cycling. Furthermore, the presence of specialized additives and bonding agents in monolithic refractories improves their resistance to thermal cycling. These additives can enhance the refractory's ability to absorb thermal shock and minimize cracking, thus increasing its durability and longevity in coke oven applications. Overall, monolithic refractories' ability to withstand thermal cycling in coke oven applications can be attributed to their carefully formulated composition, strong bonding properties, and the incorporation of specialized additives. These characteristics make them highly reliable and suitable for the extreme temperature fluctuations experienced in coke oven operations.
- Q:How do monolithic refractories mitigate heat loss in iron and steel operations?
- Monolithic refractories possess unique properties and composition that make them highly effective in reducing heat loss in iron and steel operations. Unlike other refractories, monolithic ones are made from a single, continuous material, making them resistant to cracks and gaps that could potentially allow heat to escape. One major advantage of monolithic refractories lies in their exceptional thermal conductivity and insulation properties. With their low thermal conductivity, they are able to effectively limit the transfer of heat from hot areas to cooler surroundings. This insulation characteristic helps maintain high temperatures within iron and steel operations, resulting in reduced heat loss to the environment. Another contributing factor to 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 surfaces and fill in any gaps or irregularities, creating a solid barrier against heat loss. By minimizing the possibility of heat escaping, these refractories ensure that the energy generated within the operations is utilized effectively. Additionally, monolithic refractories exhibit high resistance to thermal shock. In the iron and steel industry, rapid temperature fluctuations are common, which can lead to material deterioration and cracks. However, monolithic refractories possess the ability to withstand these temperature changes without compromising their structural integrity. This guarantees the longevity and effectiveness of the refractories in mitigating heat loss. In summary, monolithic refractories play a vital role in reducing heat loss in iron and steel operations through their excellent insulation, ability to form a tight seal, and resistance to thermal shock. These properties enable them to maintain high temperatures, optimize energy utilization, and enhance overall process efficiency.
- Q:What are the advantages of using self-flow castables in the iron and steel industry?
- The advantages of using self-flow castables in the iron and steel industry are numerous. Firstly, these castables have excellent flowability, which allows for easy and efficient installation. This results in reduced labor costs and time savings during the installation process. Additionally, self-flow castables have high strength and excellent resistance to thermal shock. This makes them highly durable and capable of withstanding the extreme temperatures and thermal cycling conditions present in iron and steel applications. As a result, they provide long-lasting and reliable performance in these demanding environments. Furthermore, self-flow castables offer excellent dimensional stability, ensuring that the refractory lining maintains its shape and integrity even under high mechanical loads and thermal stresses. This feature is crucial in maintaining the structural integrity of the furnaces, ladles, and other equipment used in the iron and steel industry. Moreover, self-flow castables have low water requirements, reducing the risk of cracking and spalling during drying and firing. This leads to improved product quality and increased refractory lifespan. Overall, the advantages of using self-flow castables in the iron and steel industry include easy installation, high strength, thermal shock resistance, dimensional stability, and improved product quality. These benefits contribute to increased efficiency, reduced downtime, and cost savings for iron and steel manufacturers.
- Q:How do monolithic refractories resist thermal shock in the iron and steel industry?
- Monolithic refractories in the iron and steel industry resist thermal shock primarily due to their ability to absorb and distribute thermal stress. These refractories are composed of a single, continuous structure, eliminating the weaknesses inherent in jointed or layered materials. Their dense and homogeneous structure allows for efficient heat transfer and expansion, minimizing the risk of cracking or spalling caused by sudden temperature fluctuations. Additionally, monolithic refractories possess high thermal conductivity, which aids in dissipating heat and preventing localized hotspots. Overall, their resilience to thermal shock makes them ideal for withstanding the extreme conditions of the iron and steel manufacturing processes.
- Q:How do monolithic refractories perform in reheating furnace applications?
- Due to their exceptional thermal stability, strength, and resistance to thermal shock, monolithic refractories are highly effective in reheating furnace applications. These refractories are specifically designed to withstand the harsh operating conditions commonly found in reheating furnaces, including high temperatures and rapid temperature changes. One major advantage of using monolithic refractories in reheating furnace applications is their ability to provide a seamless lining. Unlike traditional brick refractories that require extensive installation and joints, monolithic refractories can be easily applied as a single, homogeneous layer. This eliminates the risk of thermal stress and cracking at joints, ensuring a more reliable and durable lining. Furthermore, monolithic refractories offer excellent thermal insulation properties, which help conserve energy and reduce heat loss in the reheating furnace. This not only improves overall furnace efficiency but also reduces operational costs. In addition to their insulation properties, monolithic refractories exhibit high mechanical strength, allowing them to withstand the mechanical stress and abrasion caused by the movement of the furnace charge. They also have good resistance to chemical attack from gases, slags, and molten metals commonly encountered in reheating furnace operations. Another advantage of monolithic refractories is their ease of repair and patching, minimizing downtime and ensuring continuous furnace operation. They can be easily shaped and molded to fit various furnace geometries, making them highly versatile and adaptable to different reheating furnace designs. In summary, monolithic refractories offer exceptional performance in reheating furnace applications by providing superior thermal stability, strength, and resistance to thermal shock. Their seamless lining, thermal insulation properties, and resistance to mechanical and chemical stress make them an ideal choice for ensuring reliable and efficient furnace operation.
- Q:What are the factors affecting the lifespan of monolithic refractories?
- There are several factors that can significantly affect the lifespan of monolithic refractories. 1. Temperature: One of the most critical factors is the operating temperature. Monolithic refractories are designed to withstand high temperatures, but prolonged exposure to extreme temperatures can cause thermal shock and lead to premature failure. 2. Thermal cycling: Frequent temperature fluctuations, known as thermal cycling, can also shorten the lifespan of monolithic refractories. The expansion and contraction of the refractory material can create stress, resulting in cracking and degradation over time. 3. Chemical environment: The chemical environment in which the monolithic refractories are used plays a crucial role in their lifespan. Exposure to corrosive gases, acids, alkalis, or molten metals can cause chemical reactions that degrade the refractory material. 4. Mechanical stress: Mechanical stress, such as abrasion, impact, and vibration, can weaken monolithic refractories and shorten their lifespan. This is especially relevant in industries with high mechanical activity, such as steelmaking or cement production. 5. Installation and maintenance: Proper installation and regular maintenance are essential for maximizing the lifespan of monolithic refractories. Poor installation techniques or neglecting maintenance can result in weak joints, inadequate anchoring, or the growth of cracks, leading to premature failure. 6. Quality of refractory material: The quality and composition of the monolithic refractory material can significantly impact its lifespan. Higher-quality materials with better resistance to temperature, chemical attacks, and mechanical stress tend to have longer lifespans. 7. Design and engineering: The design of the refractory lining and its engineering considerations, such as thickness, shape, and reinforcement, also influence the lifespan of monolithic refractories. Proper design can distribute stress more evenly, reduce thermal gradients, and improve overall performance and durability. 8. Operating conditions: The way monolithic refractories are operated and handled can affect their lifespan. Factors such as rapid temperature changes, improper cooling or heating procedures, or excessive thermal cycling can all contribute to premature failure. In summary, the lifespan of monolithic refractories is influenced by various factors, including temperature, thermal cycling, chemical environment, mechanical stress, installation and maintenance practices, quality of refractory material, design and engineering considerations, and operating conditions. Proper consideration and management of these factors are essential for maximizing the lifespan of monolithic refractories.
- Q:What are the typical properties of monolithic refractories used in iron and steel industry?
- Monolithic refractories used in the iron and steel industry generally possess several key properties that make them suitable for the harsh operating conditions in these industries. Firstly, monolithic refractories have excellent thermal shock resistance. They can withstand rapid temperature changes without cracking or spalling, which is crucial in the iron and steel industry where the heating and cooling processes can be highly intense. Secondly, these refractories exhibit high refractoriness, meaning they can withstand extremely high temperatures without losing their strength or shape. This is essential in environments where temperatures can reach well above 1000 degrees Celsius. Additionally, monolithic refractories used in the iron and steel industry are known for their excellent corrosion resistance. They can resist the corrosive effects of molten metals, slags, and gases that are commonly encountered in these industrial processes. Furthermore, these refractories have good mechanical strength and abrasion resistance, allowing them to withstand the physical stresses and wear caused by handling and mechanical operations. Another important property of monolithic refractories is their ability to form strong bonds with the existing refractory lining. This ensures a secure and long-lasting installation, reducing the risk of failure and minimizing downtime for maintenance or repairs. Lastly, these refractories often have low porosity, which prevents the infiltration of molten metal or slag into the lining. This helps to maintain the integrity of the refractory structure and prolong its service life. Overall, the typical properties of monolithic refractories used in the iron and steel industry include thermal shock resistance, high refractoriness, corrosion resistance, mechanical strength, strong bonding, and low porosity. These properties collectively contribute to the efficient and reliable operation of iron and steel manufacturing processes.
- Q:How are monolithic refractories repaired or replaced in iron and steel facilities?
- Monolithic refractories in iron and steel facilities are repaired or replaced through a process known as hot repair or hot gunning. This involves using specialized equipment to heat the damaged refractory material and remove it. The area is then prepared for new refractory installation, which is done by either shotcreting or gunning the new material onto the surface. This method allows for quick repairs and replacements, minimizing downtime and ensuring the efficiency and safety of the facility.
- Q:How do monolithic refractories resist corrosion and erosion in the iron and steel industry?
- Monolithic refractories in the iron and steel industry are designed to resist corrosion and erosion through a combination of their composition and application techniques. Firstly, the composition of monolithic refractories includes high-quality raw materials such as alumina, magnesia, and silica. These materials possess excellent resistance to corrosion and erosion. Alumina, for example, is highly resistant to chemical attack and can withstand high temperatures, making it ideal for protecting against the corrosive nature of the iron and steel industry. In addition to the choice of materials, the application techniques used in installing monolithic refractories also play a crucial role in their resistance to corrosion and erosion. Monolithic refractories are typically installed using various methods such as gunning, ramming, or casting. These techniques ensure a tight and seamless bond between the refractory and the steel structure, minimizing the chances of corrosion and erosion. Furthermore, monolithic refractories can be customized to suit the specific needs of different parts of the iron and steel industry. For example, areas exposed to molten metal require refractories with high thermal conductivity and excellent resistance to chemical attack. By tailoring the refractory to the specific application, it becomes more effective in resisting corrosion and erosion. Moreover, monolithic refractories are often designed with additives or binders that enhance their resistance to corrosion and erosion. These additives can provide additional protection against chemical attacks from molten metal or corrosive gases, making the refractory even more durable in harsh conditions. Overall, monolithic refractories resist corrosion and erosion in the iron and steel industry due to their composition, application techniques, customization, and the inclusion of additives. By combining these factors, monolithic refractories provide excellent protection to the steel structures, ensuring their longevity and efficiency in the challenging environments of the iron and steel industry.
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 |
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|---|---|
| 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 |
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|---|---|
| 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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Gunning Mix for EAF
- Ref Price:
-
$553.11 - 676.03
/ 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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