Monolithic Refractories for Iron and Steel Industry:Calcined Petroleum Coke as Carbon Raiser
- 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 withstand the chemical attacks in aluminum furnace applications?
- Monolithic refractories are able to withstand chemical attacks in aluminum furnace applications due to their unique composition and properties. These materials are designed to have high resistance to the corrosive effects of molten aluminum and other chemicals present in the furnace environment. Firstly, monolithic refractories are made from a combination of different minerals, such as alumina, silicon carbide, and zirconia, which have high melting points and excellent chemical stability. These minerals act as a barrier between the corrosive substances and the underlying structure, preventing them from penetrating or damaging the refractory lining. Additionally, monolithic refractories are typically formulated with high levels of alumina, which provides them with exceptional resistance to chemical attacks. Alumina has a strong affinity for oxygen, forming a stable oxide layer on the surface of the refractory material, acting as a protective barrier against corrosive elements. This oxide layer also helps to reduce the rate of penetration of corrosive substances into the refractory lining. Moreover, monolithic refractories are often designed with a dense microstructure and low porosity. This ensures that there are fewer pathways for the corrosive substances to penetrate and attack the refractory material. The denser the material, the less susceptible it is to chemical attacks. Furthermore, monolithic refractories can be further enhanced by adding additives or binders that improve their resistance to chemical attacks. These additives can include various organic or inorganic materials that provide additional protection against corrosive substances. Overall, monolithic refractories are specifically engineered to withstand the harsh conditions of aluminum furnace applications. Their unique composition, high alumina content, dense microstructure, and resistance-enhancing additives all contribute to their ability to withstand chemical attacks and prolong the lifespan of the refractory lining in aluminum furnaces.
- Q: How do monolithic refractories perform in rotary hearth furnace applications?
- The performance of monolithic refractories in rotary hearth furnaces is well-known. These refractories are specifically designed to endure the extreme temperatures and harsh conditions found in these furnaces, making them the ideal choice for this particular application. One major advantage of monolithic refractories is their resistance to thermal shock. In rotary hearth furnaces, the material being processed is subjected to rapid heating and cooling cycles, which can cause significant stress on the refractory lining. Monolithic refractories have excellent thermal conductivity and low thermal expansion, enabling them to withstand these temperature fluctuations without cracking or spalling. Another important characteristic of monolithic refractories is their exceptional resistance to abrasion. In rotary hearth furnaces, the material being processed may contain abrasive particles that can wear down the refractory lining over time. Monolithic refractories are formulated with high-quality aggregates and binders that provide superior abrasion resistance, resulting in a longer lifespan for the lining. Moreover, monolithic refractories exhibit good chemical resistance, making them suitable for various applications in rotary hearth furnaces. They can withstand exposure to different chemical substances, such as molten metals, slags, and gases, without undergoing significant chemical reactions or degradation. This chemical stability ensures that the refractory lining remains intact and performs well in the demanding environment of a rotary hearth furnace. Additionally, monolithic refractories offer excellent flexibility during installation. Unlike traditional brick or tile refractories, which require complex installation procedures, monolithic refractories can be easily shaped and applied in-situ using methods like gunning, casting, or ramming. This flexibility allows for quicker and more efficient repairs or replacements of the lining, reducing downtime and maintenance costs. In conclusion, monolithic refractories are highly reliable and efficient in rotary hearth furnace applications. Their ability to withstand thermal shock, abrasion, and chemical attack, along with their easy installation, make them the preferred choice for lining materials in these demanding environments.
- Q: In iron and steel industry, the main raw materials for blast furnace ironmaking are iron ore, coke and limestone. What's the use of limestone here?
- At high temperatures, limestone (calcium carbonate) breaks down into lime (calcium oxide, which is useful) and carbon dioxide.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish preheating furnaces?
- Monolithic refractories improve the efficiency of ladle and tundish preheating furnaces by providing superior insulation and heat retention properties. These refractories are designed to withstand high temperatures and reduce heat loss, ensuring that the furnaces reach and maintain the desired preheating temperatures more efficiently. Additionally, monolithic refractories offer excellent thermal shock resistance, preventing cracks and damage that can negatively impact furnace performance. Overall, the use of monolithic refractories in ladle and tundish preheating furnaces helps to optimize energy consumption and enhance the overall efficiency of the preheating process.
- Q: How do monolithic refractories perform in rotary kiln applications?
- Monolithic refractories are highly effective in rotary kiln applications due to their unique properties and characteristics. These refractories are designed to be installed as a single, solid unit, as opposed to traditional brick and mortar refractories. One of the key advantages of monolithic refractories in rotary kilns is their ability to withstand high temperatures and thermal stresses. Rotary kilns operate at extremely high temperatures, often reaching up to 3000 degrees Fahrenheit. Monolithic refractories are able to handle these extreme temperatures without cracking or failing, ensuring the longevity and reliability of the kiln. Another important performance aspect of monolithic refractories in rotary kilns is their ability to resist chemical attack. Rotary kilns are commonly used in industries such as cement production, where the materials being processed can be highly corrosive. Monolithic refractories offer excellent resistance to chemical attack, protecting the kiln from deterioration and extending its service life. Additionally, monolithic refractories are known for their excellent thermal conductivity and insulation properties. This helps to maintain consistent and efficient heat transfer within the kiln, improving the overall energy efficiency of the process. Furthermore, the installation of monolithic refractories in rotary kilns is relatively easy and quick compared to traditional brick and mortar refractories. The monolithic materials can be cast or gunned into place, forming a seamless lining that eliminates the need for individual bricks and mortar joints. This not only saves time during installation but also minimizes the potential for weak points or gaps in the lining, ensuring a more durable and effective refractory system. In summary, monolithic refractories offer exceptional performance in rotary kiln applications. Their ability to withstand high temperatures, resist chemical attack, provide efficient heat transfer, and offer easy installation make them a preferred choice for industries relying on rotary kilns for their production processes.
- Q: What are the typical applications of monolithic refractories in the iron and steel industry?
- Monolithic refractories find several typical applications in the iron and steel industry. These include lining electric arc furnaces, ladles, tundishes, and various other equipment used in the production of iron and steel. Monolithic refractories are also commonly used for repairing and maintaining the linings of these equipment. Their high thermal conductivity, excellent resistance to thermal shock, and ability to withstand extreme temperatures make them ideal for these applications in the iron and steel industry.
- Q: How do monolithic refractories withstand high temperatures and thermal shocks?
- Due to their unique composition and design, monolithic refractories possess the ability to endure high temperatures and thermal shocks. These refractories, referred to as "monolithic" due to their single-piece or structured form, can withstand extreme heat and sudden temperature changes commonly experienced in high-temperature applications. The utilization of high-quality raw materials is a key factor enabling monolithic refractories to withstand high temperatures. These materials are meticulously chosen for their heat and thermal stress resistance. Common components include silica, alumina, magnesia, and other refractory minerals with high melting points. Furthermore, the manufacturing process plays a vital role in enhancing the thermal resistance of monolithic refractories. The raw materials are blended with binders, such as clay or cement, to create a homogeneous mixture. This mixture is then shaped and installed in its final position, either through pouring or gunning, depending on the application. The binder ensures that the refractory maintains its shape and integrity during thermal cycling. In addition, monolithic refractories exhibit excellent thermal conductivity and low thermal expansion properties. This enables efficient heat transfer and dissipation, minimizing the risk of thermal stress and cracking. The low thermal expansion also reduces the likelihood of spalling or delamination, which is crucial for withstanding thermal shocks. Another contributing factor to the high-temperature resistance of monolithic refractories is their ability to form a protective layer or slag on the surface. This layer acts as a barrier, preventing direct contact between the refractory and corrosive materials or aggressive atmospheres. It significantly improves the refractory's longevity and resistance to thermal shocks. Overall, the combination of high-quality raw materials, meticulous manufacturing techniques, and advantageous thermal properties allows monolithic refractories to endure high temperatures and thermal shocks. These refractories find extensive use in various industries, including steel, cement, glass, and petrochemical, as reliable linings in furnaces, kilns, and other high-temperature equipment.
- Q: How do monolithic refractories improve the efficiency of ladle and tundish preheaters?
- The efficiency of ladle and tundish preheaters can be significantly improved through the utilization of monolithic refractories, which play a vital role in this process. To begin with, monolithic refractories possess exceptional thermal insulation properties. Their low thermal conductivity ensures that heat loss from the preheaters is effectively prevented. By minimizing heat loss, monolithic refractories ensure that the majority of the heat generated by the preheater is utilized for preheating the ladle or tundish. This results in reduced energy consumption and enhanced efficiency of the preheating process. Additionally, monolithic refractories offer remarkable resistance to thermal shocks. As ladle and tundish preheaters are subjected to rapid and extreme temperature changes during operation, it is crucial for the refractories to withstand these shocks. The ability of monolithic refractories to endure these thermal shocks ensures their long-lasting performance, reducing the need for frequent repairs or replacements. This not only enhances the efficiency of the preheaters but also reduces downtime and maintenance costs. Furthermore, monolithic refractories exhibit excellent mechanical strength and resistance to abrasion. The constant wear and tear experienced by ladle and tundish preheaters due to the movement of ladles or tundishes, as well as the abrasive nature of the materials being processed, can be mitigated through the use of monolithic refractories. These refractories prevent erosion and damage to the preheaters, ensuring their longevity and optimal functioning. Consequently, this improves the overall efficiency of ladle and tundish preheaters by reducing downtime and maintenance requirements. Lastly, monolithic refractories offer the advantage of design flexibility. They can be customized and shaped to meet the specific requirements of ladle or tundish preheaters. This allows for better fitting and insulation, maximizing heat transfer efficiency. The ability to tailor the refractory lining to the preheater's design also ensures uniform heating, minimizing temperature variations and improving overall operational efficiency. In conclusion, monolithic refractories contribute to the improved efficiency of ladle and tundish preheaters by providing superior thermal insulation, resistance to thermal shocks, mechanical strength, abrasion resistance, and design flexibility. These properties result in reduced heat loss, minimized downtime, enhanced durability, and optimized heat transfer, ultimately leading to improved efficiency of the preheating process.
- Q: What are the key properties and characteristics of monolithic refractories?
- Monolithic refractories are a type of refractory material that are known for their ability to be shaped or installed in a single piece or without joints. These materials are typically used in high-temperature applications where traditional brick or tile refractories may not be suitable. One key property of monolithic refractories is their excellent thermal stability. They can withstand extreme temperatures without undergoing significant expansion or contraction, making them ideal for use in furnaces, kilns, and other heat-intensive environments. This property allows monolithic refractories to maintain their structural integrity and provide long-lasting performance. Another important characteristic of monolithic refractories is their high resistance to thermal shock. They can withstand rapid temperature changes without cracking or spalling, which is crucial in applications where the refractory material is exposed to alternating hot and cold conditions. This resistance to thermal shock ensures the longevity of the refractory lining and reduces the need for frequent repairs or replacements. Monolithic refractories also exhibit good mechanical strength, which enables them to withstand the mechanical stresses and loads imposed on them during use. They possess excellent load-bearing capacity and can resist abrasion, erosion, and impact, making them suitable for applications where the refractory material is subjected to mechanical wear or impact. Furthermore, monolithic refractories have the advantage of being easily installed and repaired. Unlike traditional refractories that require skilled labor and time-consuming bricklaying techniques, monolithic refractories can be cast, gunned, or sprayed into place. This ease of installation allows for faster turnaround times and reduces downtime during repairs or maintenance. Lastly, monolithic refractories offer good chemical resistance to various corrosive agents, such as acids, alkalis, and molten metals. This property makes them suitable for use in industries where the refractory material is exposed to aggressive chemical environments, such as the steel, petrochemical, and glass industries. In summary, the key properties and characteristics of monolithic refractories include excellent thermal stability, high resistance to thermal shock, good mechanical strength, easy installation and repair, and good chemical resistance. These properties make them a preferred choice in high-temperature applications where durability, reliability, and performance are of utmost importance.
- Q: How do monolithic refractories contribute to the control of spalling in iron and steel processes?
- In controlling spalling in iron and steel processes, monolithic refractories play a vital role. Spalling, which is the breaking or flaking off of refractory material due to thermal stress, mechanical stress, or chemical reactions, can cause severe damage to furnace or kiln linings, decreasing efficiency and productivity. To tackle this issue, monolithic refractories are specifically designed to be more resistant to spalling compared to traditional brick or tile refractories. They consist of a single, uniform material that can withstand high temperatures and thermal shock, making them less prone to cracking or breaking in extreme conditions. The ability of monolithic refractories to control spalling in iron and steel processes primarily stems from their high thermal conductivity and low thermal expansion properties. These characteristics allow them to effectively distribute and absorb the intense heat generated during melting or heat treatment processes, reducing thermal stress on the refractory lining. Moreover, monolithic refractories offer improved resistance to chemical reactions and erosion caused by molten metal, slag, or gases present in iron and steel processes. They are formulated with additives and binders that enhance chemical stability and corrosion protection, minimizing the risk of spalling due to chemical attack. Furthermore, the monolithic nature of these refractories eliminates the need for joints or seams, common weak points in traditional brick or tile refractories. This seamless design ensures a more uniform and durable lining, reducing the likelihood of spalling occurring at these vulnerable areas. Overall, monolithic refractories significantly contribute to spalling control in iron and steel processes by providing superior thermal conductivity, low thermal expansion, chemical resistance, and a seamless lining. This helps maintain the integrity of the refractory lining, prolonging its lifespan and ensuring efficient and safe operation of furnaces or kilns.
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Monolithic Refractories for Iron and Steel Industry:Calcined Petroleum Coke as Carbon Raiser
- 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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