Monolithic Refractories for Iron and Steel Industry:Calcined Petroleum Coke as Carbon Raiser
- 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:What are the considerations for repairing and relining monolithic refractories?
- When it comes to repairing and relining monolithic refractories, there are several key considerations that need to be taken into account. Firstly, it is important to assess the extent of the damage or wear to the refractory lining. This can be done through visual inspection, as well as non-destructive testing techniques such as ultrasonic or thermal imaging. Understanding the severity and location of the damage will help in determining the appropriate repair or relining method. Another consideration is the type of monolithic refractory material being used. Different materials have different properties and performance characteristics, and this needs to be considered when selecting the repair method. For example, some materials may require high-temperature curing or specialized equipment for installation. The operating conditions of the refractory lining also need to be taken into account. Factors such as temperature, chemical exposure, and mechanical stress can affect the performance and longevity of the lining. The repair or relining method should be selected to ensure that it can withstand these conditions and provide long-lasting protection. Additionally, the downtime and cost implications of the repair or relining process need to be considered. Some methods may require longer curing or drying times, which can result in extended shutdown periods. It is important to weigh the benefits of the repair or relining against the potential production losses and expenses associated with the downtime. Lastly, it is crucial to follow industry standards and guidelines when repairing or relining monolithic refractories. This ensures that the repairs are done correctly and in a safe manner, minimizing the risk of future damage or failure. Consulting with refractory experts or manufacturers can provide valuable insights and guidance in this regard. In conclusion, the considerations for repairing and relining monolithic refractories include assessing the extent of damage, understanding the properties of the refractory material, considering the operating conditions, evaluating downtime and cost implications, and following industry standards and guidelines.
- Q:What are the specific requirements of monolithic refractories for continuous casting applications?
- The specific requirements of monolithic refractories for continuous casting applications include high thermal shock resistance, excellent erosion resistance, good thermal conductivity, low shrinkage, and high refractoriness. These refractories must also have good flowability and workability to ensure easy installation and maintenance. Additionally, they should have a high degree of chemical stability to withstand the harsh conditions of molten metal and slag in continuous casting processes.
- Q:How do monolithic refractories withstand the chemical attacks in aluminum furnace applications?
- Monolithic refractories withstand chemical attacks in aluminum furnace applications due to their high resistance to oxidation and corrosion. They are specifically designed to withstand the harsh environment of aluminum processing, which involves exposure to molten aluminum, alkaline fluxes, and other corrosive chemicals. Monolithic refractories have excellent chemical stability, low porosity, and high thermal shock resistance, which allows them to maintain their structural integrity and protect the furnace lining from chemical erosion. Additionally, these refractories often contain additives such as antioxidants and anti-corrosion agents that further enhance their resistance to chemical attacks in aluminum furnace applications.
- Q:What are the considerations for repairing and patching monolithic refractories?
- When it comes to repairing and patching monolithic refractories, there are several important considerations that need to be taken into account. Firstly, it is crucial to carefully assess the extent and severity of the damage or deterioration. This will help determine the appropriate repair method and materials needed. Small cracks or minor damage may only require a simple patching or sealing, while larger or more severe damage might necessitate a complete replacement or a more extensive repair process. Secondly, the type of monolithic refractory material being used is an important factor to consider. Different types of monolithic refractories have varying properties and characteristics, such as thermal conductivity, chemical resistance, and mechanical strength. Therefore, it is crucial to choose a repair material that is compatible with the existing refractory material to ensure proper bonding and performance. Another consideration is the operating conditions and environment in which the monolithic refractory is exposed. Factors such as temperature, pressure, chemical exposure, and abrasion can significantly impact the durability and longevity of the refractory material. Understanding these conditions will help in selecting the appropriate repair materials and techniques that can withstand and perform well under these specific conditions. Additionally, the repair process should be carried out by experienced personnel who are knowledgeable about refractory materials and their installation. Improper repairs can lead to further damage or reduced performance, so it is essential to have skilled professionals who can perform the repair work correctly. Lastly, regular inspection and maintenance of the monolithic refractories are essential to detect any potential damage or deterioration early on. Timely repairs and patching can prevent further deterioration and extend the service life of the refractory material. In summary, considerations for repairing and patching monolithic refractories involve assessing the extent of damage, selecting compatible repair materials, understanding the operating conditions, employing skilled personnel, and conducting regular inspections and maintenance. By taking these factors into account, one can ensure effective repairs and the continued performance of monolithic refractories.
- Q:What are the main factors affecting the abrasion resistance of monolithic refractories?
- There are three key aspects that categorize the main factors influencing the abrasion resistance of monolithic refractories: material composition, microstructure, and service conditions. Firstly, the abrasion resistance of monolithic refractories is significantly determined by their material composition. The selection of raw materials, such as aggregates and binders, directly impacts the overall hardness, strength, and wear resistance of the refractories. For example, high-alumina refractories, which have a high proportion of alumina as their main component, demonstrate exceptional abrasion resistance due to the hardness and toughness of alumina. Conversely, refractories with a higher percentage of softer materials like clay or magnesia may exhibit lower abrasion resistance. Secondly, the microstructure of monolithic refractories plays a crucial role in their ability to endure abrasion. The arrangement and orientation of the aggregates, as well as the bond strength between the particles and the matrix, significantly contribute to their resistance against wear. An evenly distributed and interconnected network of aggregates can strengthen the refractories and enhance their resistance to abrasion. Additionally, a compact and well-sintered matrix can prevent abrasive particles from penetrating, thereby reducing wear. Lastly, the service conditions under which monolithic refractories operate are vital factors in determining their abrasion resistance. Variables such as temperature, atmosphere, and mechanical stress can greatly impact the wear behavior of refractories. High temperatures can cause thermal expansion and contraction, resulting in cracks and spalling, which accelerate abrasion. The presence of corrosive gases or chemicals can also deteriorate the microstructure of refractories, diminishing their wear resistance. Moreover, mechanical stress from impact or friction can lead to localized wear and damage the refractories. To conclude, the abrasion resistance of monolithic refractories is influenced by material composition, microstructure, and service conditions. By carefully selecting suitable raw materials, optimizing the microstructure, and considering specific service conditions, it is possible to enhance the abrasion resistance of monolithic refractories and improve their overall performance in high-wear applications.
- Q:How do monolithic refractories withstand the mechanical impacts in ladle lip applications?
- The unique properties and composition of monolithic refractories enable them to endure mechanical impacts in ladle lip applications. Firstly, their structural integrity is reinforced by being made from a single, uniform material, making them less prone to cracking or breaking when subjected to mechanical forces. Additionally, the inclusion of additives such as fibers or aggregates enhances their resistance to mechanical stresses by distributing the applied forces and reducing stress concentration points. Furthermore, the seamless application process ensures a uniform distribution of impacts and eliminates weak points or joints that could be susceptible to mechanical damage. Moreover, monolithic refractories can be customized with specific compositions and formulations to withstand mechanical impacts, utilizing various binders and additives to enhance toughness, impact resistance, and overall mechanical strength. Finally, the selection of monolithic refractories for ladle lip applications takes into account operating conditions like temperature and chemical exposure to optimize their mechanical properties for the specific challenges posed by ladle lip applications. In conclusion, the homogenous structure, additive inclusion, seamless application process, and customizable composition of monolithic refractories contribute to their ability to withstand mechanical impacts in ladle lip applications, ensuring their durability and effectiveness.
- 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 some common maintenance practices for monolithic refractories in iron and steel furnaces?
- There are several common maintenance practices for monolithic refractories in iron and steel furnaces: 1. It is essential to conduct regular inspections. Trained professionals should inspect the refractories to identify any potential issues, such as wear, erosion, or damage. 2. Promptly repairing and patching damaged or eroded areas is crucial to maintain the integrity of the refractories. Refractory mortars or castable refractories can be used for this purpose. 3. Regularly cleaning the refractory lining is important to remove any build-up of impurities that can affect performance. Mechanical cleaning with brushes or scrapers, as well as chemical cleaning with acids, can be employed. 4. Controlled thermal cycling is often performed to condition and strengthen the refractories. Gradually increasing and decreasing the furnace temperature improves their resistance to thermal shock. 5. Applying protective coatings or sealants to the refractory lining enhances its resistance to chemical attack, erosion, and thermal cycling. These act as barriers against molten metals or slags. 6. Monitoring and controlling operating conditions inside the furnace, such as temperature, pressure, and atmosphere, is crucial. This helps prevent sudden changes that may negatively affect the refractories. 7. Regular training and education for furnace operators and maintenance personnel are crucial. This ensures they understand the importance of proper refractory maintenance, reducing the risk of premature failure. Implementing these maintenance practices significantly prolongs the lifespan of monolithic refractories in iron and steel furnaces. It maximizes their performance, leading to improved efficiency and cost-effectiveness in the production process.
- Q:What are the advantages of using insulating castables in the iron and steel industry?
- The advantages of using insulating castables in the iron and steel industry are numerous. Firstly, insulating castables have excellent thermal insulation properties, which help to reduce heat loss during the manufacturing process. This leads to increased energy efficiency and cost savings for the industry. Additionally, insulating castables have a low thermal conductivity, meaning they can withstand high temperatures without transferring excessive heat. This is crucial in the iron and steel industry, where temperatures can reach extremely high levels. By using insulating castables, the industry can ensure the longevity and durability of its equipment and structures. Furthermore, insulating castables have good resistance to thermal shock, meaning they can withstand rapid temperature changes without cracking or breaking. This is particularly beneficial in the iron and steel industry, where the heating and cooling processes are frequent and intense. Lastly, insulating castables have a low density, making them lightweight and easier to handle and install. This not only saves time and effort during installation but also reduces the structural load on equipment and structures. Overall, the use of insulating castables in the iron and steel industry offers advantages such as improved energy efficiency, enhanced durability, resistance to thermal shock, and ease of installation.
- Q:How do monolithic refractories contribute to reducing downtime in iron and steel plants?
- Monolithic refractories play a crucial role in reducing downtime in iron and steel plants by offering several key advantages over traditional brick refractories. Firstly, monolithic refractories are highly versatile and can be easily molded and installed, allowing for quicker repairs and replacements. Unlike brick refractories that require time-consuming and labor-intensive processes, such as bricklaying and mortar application, monolithic materials can be directly applied in a castable or gunning form, significantly reducing the downtime required for repairs. Additionally, monolithic refractories provide better thermal insulation and improved resistance to thermal shocks, which are common occurrences in iron and steel plants. This enhanced thermal performance helps to maintain stable operating temperatures and prevents sudden temperature fluctuations that can lead to refractory failure and subsequent downtime. By minimizing these thermal shocks, monolithic refractories increase the overall lifespan of the refractory lining, reducing the need for frequent repairs and replacements. Furthermore, monolithic refractories offer superior chemical resistance compared to traditional brick refractories. Iron and steel plants often encounter aggressive chemical environments due to the presence of molten metal, slag, and other corrosive substances. Monolithic refractories are specifically designed to withstand these harsh conditions, preventing chemical attacks and erosion of the refractory lining. As a result, the need for unscheduled shutdowns due to refractory degradation is significantly reduced. Lastly, monolithic refractories provide better dimensional stability, minimizing the risk of cracks and spalling that can occur due to thermal cycling and mechanical stress. This increased resistance to wear and tear ensures that the refractory lining remains intact for a longer period, reducing the frequency of maintenance and enhancing the overall operational efficiency of the iron and steel plant. In summary, monolithic refractories contribute to reducing downtime in iron and steel plants by offering faster installation, improved thermal insulation, superior chemical resistance, and enhanced dimensional stability. Their versatility and performance advantages make them a reliable choice for maintaining a reliable and efficient refractory lining, ultimately reducing the frequency and duration of plant shutdowns.
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Monolithic Refractories for Iron and Steel Industry:Calcined Petroleum Coke as Carbon Raiser
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t
- Supply Capability:
- 1000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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