Calcined Petroleum Coke as Carbon Raiser for Monolithic Refractories in Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t
- Supply Capability:
- 1000 m.t/month
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Factory Background
The factory is majorly running and operating carbon additive (pitch coke, calcined petroleum coke and anthracite), low nitrogen carbon additive, and brake pad making material. Company is the long term supplier of Sinosteel Corporation, Shanghai Carbon Corporation, the plant of SGL Group the Carbon Company in China and some largest special carbon products producing plants.
YUAI also supplies huge amout of high quality carbon additive and graphite carbon additive to steel plants, foundries and ferrotungsten plants. YUAI has been assigned by BAO STEEL as the only organization for processing pitch coke for export purpose. The group’s major products are constantly exported to Japan, Korea, Malaysia, South East Asia countries, Europe and America, which receive praises by our consumers.
The group has invested numbers of calcinators in Anhui China to ensure the capability of producing and processing huge amount of carbon additive. Further investment is on process. According to the orders from customers, YUAI is able to processing and providing different specifications of carbon additive and other products. To provide best quality of products and to offer customers most satisfied service is YUAI’s operating objectives.
Calcined Petroleum Coke
FC:98.5%min,
S:0.5%max
A:0.8%max
V:0.7%max
Mositure:0.5%max
Size:1-5mm
This product is mainly used in steel-making and foundry. Calcined Petroleum Coke
Calcined Petroleum Coke comes from delayed coke which extracted from oil refinery. Although Calcined Petroleum Coke contains a little bit higher level of sulfur and nitrogen than pitch coke, the price advantage still makes it widely used during steel-making and founding as a kind of carbon additive/carburant.
Technology:
Laborary Equpment
In our lab,we has a high precision balance,mullfe furnace,sample making machine, dring box,sulfur measurement instrument and other calibratiing equipments.As a result,before deliverung to our customers,our products have to pass a strict test to ensure the quality and components.The testing reports will be sent to our customers to confirm untill they satisfy with it.
Packaging & Delivery
Packaging Detail:25kg paper bag into 1t weaving bag 5kg, 10kg and 20kg weaving bag into 1t weaving bag 25kg weaving bag put on pallet covered with entanglement wrap product direct into packing bag 25kg paper bag put on pallet covered with entanglement Wrap 25kg weaving bag into 1t weaving bag.
Delivery Details: 7 days
- Q: How do monolithic refractories perform in aluminum holding furnace applications?
- Monolithic refractories have proven to be highly efficient and effective in aluminum holding furnace applications. These refractories are specifically designed to withstand the extreme temperatures and chemical environments encountered in these furnaces. One key advantage of monolithic refractories is their ability to form a continuous, seamless lining in the furnace. This eliminates the need for individual bricks or tiles, reducing the risk of thermal shock and cracking. The absence of joints also minimizes the chances of molten aluminum leaking through the lining, ensuring better containment and heat retention. Monolithic refractories also offer excellent thermal insulation properties, which are crucial in aluminum holding furnaces. They have low thermal conductivity, which helps to reduce heat loss and maintain a stable temperature within the furnace. This results in improved energy efficiency and reduced operating costs. Moreover, monolithic refractories have excellent resistance to corrosion and chemical attack from molten aluminum and its by-products, such as dross and fluxes. This resistance ensures a longer service life for the refractory lining, reducing maintenance and downtime. Additionally, monolithic refractories are known for their easy installation and repair. They can be installed quickly and easily, requiring minimal downtime for furnace maintenance. In case of any localized damage or wear, repairs can be made efficiently by patching or spraying the affected area. In summary, monolithic refractories are an ideal choice for aluminum holding furnace applications due to their seamless lining, thermal insulation properties, resistance to corrosion, and easy installation and repair. These refractories significantly contribute to the overall performance and efficiency of aluminum holding furnaces.
- Q: What are the main applications of monolithic refractories in the iron and steel industry?
- The iron and steel industry heavily relies on monolithic refractories due to their versatile applications. In this industry, monolithic refractories play a vital role in several areas: 1. Blast Furnaces: When converting iron ore into molten iron, blast furnaces are crucial components. The inner walls of blast furnaces are lined with monolithic refractories, which provide insulation and protection against extreme temperatures and corrosive environments. These refractories maintain the furnace's integrity and efficiency, ensuring seamless operation and extended service life. 2. Ladles and Tundishes: Ladles and tundishes are vessels used to transport molten metal from blast furnaces to the next processing stage. Monolithic refractories are used to line these vessels, as they can withstand high temperatures and chemical reactions that occur during metal transfer. They prevent heat loss, minimize metal contamination, and enhance overall process efficiency. 3. Steelmaking Furnaces: Electric arc furnaces (EAFs) and basic oxygen furnaces (BOFs) are among the various types of steelmaking furnaces that extensively employ monolithic refractories. These furnaces require lining materials that can withstand extreme temperatures, chemical reactions, and mechanical stresses. Monolithic refractories provide exceptional thermal insulation, erosion resistance, and structural integrity, enabling efficient and reliable steel production. 4. Continuous Casting: Continuous casting is a widely used method for producing large quantities of steel. During this process, molten steel is continuously poured into a water-cooled mold, solidifying it into solid steel billets or slabs. Monolithic refractories are used to line the mold's walls and floor, ensuring thermal insulation and preventing the solidified steel from adhering to the mold. They help maintain the desired casting shape and improve the final product's quality. 5. Reheating Furnaces: Reheating furnaces are used to heat steel billets or slabs before further processing. Monolithic refractories line the walls and roof of these furnaces since they can withstand high temperatures and thermal cycling. They provide insulation, reduce heat loss, and enhance the reheating process's efficiency. In conclusion, monolithic refractories are indispensable in the iron and steel industry as they possess high-temperature resistance, chemical stability, and mechanical strength. They contribute to the durability and efficiency of various equipment and processes, ensuring seamless operations and high-quality steel production.
- Q: What are the key properties of ramming mixes used for monolithic refractory installations?
- The key properties of ramming mixes used for monolithic refractory installations are: 1. High thermal stability: Ramming mixes should possess high thermal stability to withstand the extreme temperatures and thermal cycling in refractory applications. This property ensures that the ramming mix remains intact and does not undergo significant structural changes under varying thermal conditions. 2. High density: Ramming mixes need to have a high density to provide good resistance against thermal conductivity. This property helps in minimizing heat loss and maintaining the desired temperature in the refractory lining. 3. Low porosity: Low porosity is essential for ramming mixes as it helps in reducing the penetration of molten metals or slag into the refractory lining. This property enhances the overall durability and longevity of the refractory installation. 4. Good mechanical strength: Ramming mixes should possess good mechanical strength to withstand the stresses and loads encountered during installation, as well as during the operation of the refractory lining. This property ensures that the ramming mix can resist any physical or mechanical damage, such as cracking or spalling. 5. Chemical resistance: Ramming mixes should exhibit excellent resistance to chemical attack from molten metals, slag, or corrosive gases. This property is crucial for protecting the refractory lining from chemical reactions and degradation, which can compromise its performance and lifespan. 6. Easy installation and workability: Ramming mixes should have good workability, allowing for easy installation and compaction. This property ensures that the mix can be easily shaped and rammed into place without excessive effort or time, facilitating efficient and effective refractory installations. 7. Controlled setting time: Ramming mixes should have a controlled setting time to allow sufficient time for proper placement and consolidation. This property ensures that the mix remains workable during installation but sets and hardens within a reasonable time frame, allowing for timely completion of the refractory lining. In summary, the key properties of ramming mixes used for monolithic refractory installations include high thermal stability, high density, low porosity, good mechanical strength, chemical resistance, easy installation and workability, and controlled setting time. These properties collectively contribute to the overall performance, durability, and longevity of the refractory lining in various high-temperature applications.
- Q: What are the factors influencing the choice of monolithic refractories for different furnace types?
- There are several factors that influence the choice of monolithic refractories for different furnace types. Firstly, the operating temperature of the furnace is a crucial factor as different monolithic refractories have different temperature resistance levels. Secondly, the type of material being processed in the furnace is important as certain materials may require specific refractories to withstand their corrosive or abrasive nature. Thirdly, the furnace design and its heating method also play a role in determining the suitable refractory material. Additionally, the thermal conductivity, thermal shock resistance, and mechanical strength of the refractory are considered to ensure optimal performance and durability. Finally, cost, availability, and installation requirements are factors that can influence the choice of monolithic refractories for different furnace types.
- Q: What are the advantages of using plastic refractories in the iron and steel industry?
- Plastic refractories provide numerous benefits in the iron and steel industry. Firstly, their thermal insulation properties are exceptional. They possess a low thermal conductivity, enabling them to effectively retain heat and prevent excessive heat loss during manufacturing. This is critical for the proper functioning of furnaces and equipment, as maintaining high temperatures is essential. Secondly, plastic refractories exhibit superior resistance to chemical attack and corrosion. They can endure exposure to various chemicals, including molten metals and slag, without deteriorating or losing their structure. This is particularly important in an industry where materials frequently encounter highly corrosive substances. Moreover, plastic refractories offer the advantage of easy installation and repair. Unlike other refractory materials, they can be easily shaped and molded into the desired form. This allows for precise fitting and swift installation. Additionally, if damaged or worn, they can be easily repaired or patched, reducing downtime and maintenance costs. Additionally, plastic refractories possess excellent mechanical strength and abrasion resistance. This enables them to endure the physical stresses and mechanical forces present in the iron and steel industry, such as vibrations, impacts, and mechanical loading. Their high resistance to wear and tear ensures longevity and reduces the need for frequent replacements. Lastly, plastic refractories have a high resistance to thermal shock. They can withstand rapid temperature changes without cracking or spalling. This is advantageous in an industry where materials are subjected to extreme temperature differentials, such as during the heating and cooling cycles of furnaces. In conclusion, the utilization of plastic refractories in the iron and steel industry provides numerous advantages including excellent thermal insulation, resistance to chemical attack, ease of installation and repair, good mechanical strength, abrasion resistance, and high thermal shock resistance. These properties make plastic refractories an ideal choice for various applications, ensuring efficient and reliable operations.
- Q: What are the key innovations in monolithic refractories for the iron and steel industry?
- The iron and steel industry heavily relies on monolithic refractories, which serve as lining materials in various high-temperature processes like blast furnaces, ladles, and converters. Over time, the field of monolithic refractories has witnessed several crucial innovations that address specific challenges and enhance the overall performance of these linings. Among the significant innovations in monolithic refractories is the emergence of low cement and ultra-low cement castables. These castables contain reduced cement quantities, resulting in improved properties such as higher hot strength, better thermal shock resistance, and enhanced resistance to chemical attack. By decreasing the cement content, the refractory achieves higher density, reduced porosity, and increased mechanical strength, ultimately leading to improved durability and extended service life. Another innovation in monolithic refractories is the introduction of self-flowing castables. These castables are designed to exhibit excellent flowability and can be conveniently installed through pouring or pumping, eliminating the need for manual vibration. Self-flowing castables offer advantages like reduced installation time, improved lining quality, and enhanced performance in complex geometries or hard-to-reach areas. In recent years, advances in nanotechnology have also influenced the development of monolithic refractories. Refractory compositions now incorporate nanoparticles, such as nano-sized additives and binders, to enhance their properties. These nanoparticles enhance the refractory's mechanical strength, thermal conductivity, and corrosion resistance. Additionally, nanotechnology enables better control over refractories' microstructure, resulting in optimized performance and increased lifespan. The development of high-performance monolithic refractories has also been driven by the need for improved energy efficiency and reduced environmental impact. Insulating castables, for instance, have been created to provide excellent thermal insulation properties, leading to reduced heat loss and energy consumption in various applications. These refractories contribute to increased energy efficiency, lowered production costs, and minimized greenhouse gas emissions. Moreover, advanced installation techniques like gunning and shotcreting have revolutionized the application of monolithic refractories. These techniques enable faster and more precise installation, reducing downtime and improving productivity. Additionally, robotic application systems have been introduced, allowing for automated and consistent refractory installation, ensuring high-quality linings with minimal human intervention. In conclusion, key innovations in monolithic refractories for the iron and steel industry encompass the development of low cement and ultra-low cement castables, self-flowing castables, the incorporation of nanotechnology, the introduction of high-performance insulation materials, and advancements in installation techniques. These innovations have significantly enhanced the performance, durability, energy efficiency, and installation processes of monolithic refractories, thereby contributing to the overall efficiency and competitiveness of the iron and steel industry.
- Q: What are some common applications of monolithic refractories in the iron and steel industry?
- Some common applications of monolithic refractories in the iron and steel industry include lining of ladles, tundishes, and converters, as well as repairs and maintenance of furnaces, kilns, and other high-temperature equipment. They are also used for the construction of runners, troughs, and spouts in continuous casting processes.
- Q: What are monolithic refractories and how are they different from other refractory materials?
- Monolithic refractories, unlike bricks or tiles, are refractory materials that are not pre-formed into specific shapes or sizes. Instead, they are composed of a mixture of aggregates, binders, and additives, which are then installed and cured to create a solid and dense structure. One notable difference between monolithic refractories and other refractory materials is their versatility and ease of installation. While traditional bricks or tiles require skilled labor and careful assembly, monolithic refractories can be poured, sprayed, or gunned into place, allowing for a faster and more efficient installation process. This makes them particularly suitable for complex shapes or hard-to-reach areas. Another distinction lies in the physical properties of monolithic refractories. Unlike bricks and tiles, which are known for their mechanical strength and resistance to thermal shock, monolithic refractories can be customized to exhibit a wide range of properties. Depending on the specific application requirements, they can be engineered to have excellent thermal insulation, superior corrosion resistance, or enhanced abrasion resistance. This adaptability makes monolithic refractories suitable for various industries, including steel, cement, glass, and petrochemical. Furthermore, monolithic refractories have the advantage of being able to expand and contract with temperature changes, unlike rigid brick structures. This thermal flexibility helps prevent cracking and damage caused by thermal cycling, thus prolonging the lifespan of the refractory lining. Additionally, monolithic refractories offer better refractory integrity and reduced joint failure since they do not have seams or weak points that are susceptible to thermal stresses. In conclusion, monolithic refractories are a versatile and convenient type of refractory material that can be tailored to meet specific application requirements. Their easy installation, thermal flexibility, and customizable properties distinguish them from other refractory materials like bricks or tiles.
- Q: What are the key factors affecting the installation and curing of monolithic refractories?
- There are several key factors that affect the installation and curing of monolithic refractories: 1. Material selection: The choice of monolithic refractory material is crucial as it determines the installation and curing process. Different materials have different installation and curing requirements, so it is important to select the right material for the specific application. 2. Surface preparation: Proper surface preparation is essential for the successful installation and curing of monolithic refractories. The surface should be clean, free from contaminants, and properly roughened to ensure good adhesion of the refractory material. 3. Mixing and proportioning: The mixing and proportioning of the refractory material play a significant role in its installation and curing. It is important to follow the manufacturer's instructions for mixing ratios and ensure thorough mixing to achieve a homogeneous mixture. 4. Application technique: The technique used to apply the monolithic refractory material can greatly impact its installation and curing. Proper application techniques, such as gunning, casting, or ramming, should be employed to ensure uniformity and proper bonding with the substrate. 5. Temperature control: Temperature control during the installation and curing process is critical for the development of desired properties in the monolithic refractory. The curing process should be carried out at the recommended temperature, and any sudden temperature changes should be avoided to prevent thermal stresses. 6. Moisture content: The moisture content of the refractory material and the surrounding environment can affect its installation and curing. Excessive moisture can lead to shrinkage, cracking, or poor bonding, while insufficient moisture can hinder proper curing. It is important to maintain the optimum moisture content for the specific refractory material. 7. Curing time: The curing time required for monolithic refractories varies depending on the material and application. It is crucial to follow the recommended curing time to allow for proper strength development and dimensional stability. 8. Environmental conditions: Environmental factors, such as humidity, temperature, and air circulation, can influence the installation and curing of monolithic refractories. Suitable environmental conditions should be maintained to facilitate proper drying and curing. Overall, understanding and addressing these key factors can ensure the successful installation and curing of monolithic refractories, leading to improved performance and longevity of the refractory lining.
- Q: How are monolithic refractories different from traditional refractory materials?
- Monolithic refractories are different from traditional refractory materials in several ways. Firstly, while traditional refractory materials are typically made from bricks, blocks, or tiles, monolithic refractories are composed of a single, continuous material. This means that they do not have any joints or seams, which can be a weak point in traditional refractory structures. Secondly, monolithic refractories are much easier to install compared to traditional refractory materials. They can be easily shaped and applied in situ, allowing for greater flexibility in design and construction. In contrast, traditional refractory materials require skilled labor and more time-consuming installation methods such as bricklaying. Furthermore, monolithic refractories offer improved thermal shock resistance. Due to their continuous structure, they can better withstand sudden changes in temperature without cracking or spalling. Traditional refractory materials, on the other hand, may be more susceptible to thermal shock damage. Another advantage of monolithic refractories is their ability to provide better insulation. Their composition often includes lightweight aggregates or insulating fibers, which help to reduce heat loss and improve energy efficiency. Traditional refractory materials, while still capable of providing insulation, may not offer the same level of thermal efficiency. Lastly, monolithic refractories have the advantage of being more cost-effective. Their ease of installation, reduced labor requirements, and improved thermal performance contribute to lower overall project costs compared to traditional refractory materials. In summary, monolithic refractories differ from traditional refractory materials in terms of their continuous structure, ease of installation, improved thermal shock resistance, better insulation properties, and cost-effectiveness. These characteristics make them a preferred choice in many industries where high-temperature applications and thermal insulation are required.
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Calcined Petroleum Coke as Carbon Raiser for Monolithic Refractories in Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t
- Supply Capability:
- 1000 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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