• Monolithic Refractories for Iron and Steel Industry - Calcined Petroleum Coke 1-5mm FC:98.5%min System 1
  • Monolithic Refractories for Iron and Steel Industry - Calcined Petroleum Coke 1-5mm FC:98.5%min System 2
Monolithic Refractories for Iron and Steel Industry - Calcined Petroleum Coke 1-5mm FC:98.5%min

Monolithic Refractories for Iron and Steel Industry - Calcined Petroleum Coke 1-5mm FC:98.5%min

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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.

 

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 does the composition of monolithic refractories impact their performance?
The composition of monolithic refractories plays a crucial role in determining their performance. Monolithic refractories are essentially unshaped refractory materials that are used to line furnaces, kilns, and other high-temperature equipment. They are preferred over traditional brick and mortar refractories due to their ease of installation and ability to conform to complex shapes. The composition of monolithic refractories includes various components such as aggregates, binders, and additives. The type and proportion of these constituents significantly influence the physical, mechanical, and thermal properties of the refractory material. Aggregates are the major component of monolithic refractories and provide the structural integrity. They can be made of various materials like alumina, silica, magnesia, and carbon. Each aggregate has its own unique properties that determine the refractory's resistance to heat, chemical attack, and mechanical stress. For example, alumina aggregates offer excellent resistance to high temperatures and chemical corrosion, while carbon-based aggregates are preferred for their high thermal conductivity. Binders are added to the mix to provide cohesion and improve the refractory's strength. Common binders include clay, calcium aluminate cement, and colloidal silica. The selection of binders depends on the desired strength, workability, and setting time of the refractory material. Additives are incorporated in the composition to enhance specific properties. They can improve the refractory's resistance to thermal shock, abrasion, or chemical attack. Additives like zirconium oxide, silicon carbide, and graphite are often used to enhance the performance of monolithic refractories in specific applications. The proper combination and proportion of these constituents are crucial for achieving the desired performance of monolithic refractories. The composition affects the refractory's thermal conductivity, thermal expansion, density, porosity, and chemical resistance. For instance, a higher alumina content would improve the refractory's resistance to high temperatures and chemical corrosion, while a higher silica content would enhance its insulating properties. In conclusion, the composition of monolithic refractories has a significant impact on their performance. The selection of aggregates, binders, and additives must be carefully considered to achieve the desired properties and ensure optimal performance in specific high-temperature applications.
Q:What are the key properties of pumpable refractories used for monolithic refractory applications?
The key properties of pumpable refractories used for monolithic refractory applications include high flowability, good workability, excellent bonding strength, and high resistance to thermal shock. These pumpable refractories should also possess good pumpability and be able to withstand the intense heat and mechanical stress in the application environment. Additionally, they should have low water demand, high chemical resistance, and the ability to maintain their properties even after exposure to high temperatures.
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:Can monolithic refractories be used for lining iron and steel ladles during casting and pouring?
Yes, monolithic refractories can be used for lining iron and steel ladles during casting and pouring. Monolithic refractories are a type of refractory material that is composed of a single, homogeneous structure, as opposed to traditional refractory bricks which are made up of multiple pieces. Monolithic refractories are often preferred for lining ladles in iron and steel casting due to their numerous advantages. Firstly, they have excellent thermal shock resistance, allowing them to withstand the high temperatures experienced during casting and pouring processes. This is crucial as ladles are constantly exposed to extreme heat. Additionally, monolithic refractories offer superior erosion and corrosion resistance, ensuring that the lining can withstand the harsh conditions and chemical reactions that occur when molten metal comes into contact with the ladle. They also have good thermal insulation properties, reducing heat loss and increasing energy efficiency during the casting process. Furthermore, monolithic refractories are highly versatile and can be easily installed, repaired, or replaced. They can be formed and shaped to fit the specific requirements of ladles, providing a tight and secure lining. This flexibility also allows for quick maintenance and repair, minimizing downtime and optimizing productivity. In conclusion, monolithic refractories are an ideal choice for lining iron and steel ladles during casting and pouring. Their thermal shock resistance, erosion and corrosion resistance, thermal insulation properties, and ease of installation make them well-suited for this demanding application.
Q:How do monolithic refractories contribute to reducing downtime in iron and steel plants?
Monolithic refractories contribute to reducing downtime in iron and steel plants by providing enhanced durability and resistance to high temperatures, chemical corrosion, and mechanical wear. These refractories can be quickly and easily installed, repaired, or replaced, minimizing the time required for maintenance and reducing production interruptions. Their versatile and customizable nature allows for efficient lining of various equipment, such as furnaces, ladles, and converters, ensuring a continuous and uninterrupted production process.
Q:How do monolithic refractories perform in aluminum holding furnace applications?
The use of monolithic refractories in aluminum holding furnace applications has been proven to be highly efficient and effective. These refractories are designed specifically to withstand the extreme temperatures and chemical environments found in these furnaces. One major advantage of monolithic refractories is their ability to create a continuous and 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 likelihood of molten aluminum leaking through the lining, ensuring better containment and heat retention. Monolithic refractories also provide excellent thermal insulation properties, which are essential in aluminum holding furnaces. They have low thermal conductivity, helping to reduce heat loss and maintain a stable temperature within the furnace. This leads to improved energy efficiency and lower operating costs. Furthermore, monolithic refractories have exceptional resistance to corrosion and chemical attack from molten aluminum and its by-products, such as dross and fluxes. This resistance ensures a longer lifespan for the refractory lining, reducing the need for maintenance and downtime. In addition, monolithic refractories are known for their easy installation and repair. They can be installed quickly and easily, requiring minimal downtime for furnace maintenance. If any localized damage or wear occurs, repairs can be efficiently made by patching or spraying the affected area. In conclusion, monolithic refractories are an excellent 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 enhance the overall performance and efficiency of aluminum holding furnaces.
Q:What are the typical operating temperatures for monolithic refractories?
The typical operating temperatures for monolithic refractories vary depending on the specific composition and type of refractory material. However, in general, monolithic refractories are designed to withstand high temperatures ranging from 1500°C (2732°F) to 1800°C (3272°F) and even higher in some cases. These refractories are commonly used in industries such as steelmaking, cement production, glass manufacturing, and petrochemical processing, where they are subjected to extreme thermal conditions. Different types of monolithic refractories have different temperature limits. For instance, basic refractories made of magnesia or dolomite can withstand temperatures up to 1800°C (3272°F). On the other hand, alumina-based refractories can typically handle temperatures up to 1700°C (3092°F). Silicon carbide-based refractories have even higher temperature resistance, with the ability to withstand temperatures above 2000°C (3632°F). It is crucial to select the appropriate monolithic refractory material based on the specific operating temperature requirements of the application. Using refractories beyond their recommended temperature limits can cause thermal shock, spalling, or reduced performance, leading to potential equipment failure or safety hazards. Therefore, consulting with refractory manufacturers or experts in the field is essential to ensure the correct selection and optimal performance of monolithic refractories in high-temperature applications.
Q:How do monolithic refractories withstand the corrosive environments in steelmaking processes?
Due to their unique properties and composition, monolithic refractories are capable of enduring corrosive conditions in steelmaking processes. The primary feature of monolithic refractories is their exceptional ability to withstand high temperatures and thermal shock. Steelmaking procedures involve extremely high temperatures, which can reach up to 1700 degrees Celsius. Monolithic refractories are specifically engineered to endure these extreme temperatures without compromising their structural integrity. Moreover, monolithic refractories exhibit outstanding chemical resistance. The corrosive environments in steelmaking processes often include aggressive chemicals like molten metal, slag, and gases such as carbon monoxide and sulfur dioxide. Monolithic refractories are manufactured using materials that possess resistance to these chemicals. Consequently, these materials prevent any reactions and consequent corrosion. Furthermore, monolithic refractories possess a compact and uniform structure. This characteristic aids in preventing the infiltration of corrosive agents into the refractory material, further augmenting its resistance to corrosion. The compact structure also minimizes the formation of cracks and fissures, which can serve as pathways for corrosive agents to penetrate the refractory. Additionally, monolithic refractories are frequently composed of materials with high refractoriness, such as alumina, magnesia, and silica. These materials possess high melting points, rendering them more resistant to the extreme temperatures encountered in steelmaking processes. They also possess low thermal conductivity, which assists in reducing heat transfer and lowering the risk of thermal damage to the refractory. Lastly, monolithic refractories are often formulated with specific additives and binders that enhance their resistance to corrosion. These additives may include materials like zircon, chrome, or graphite, which provide supplementary protection against the corrosive environment. In conclusion, monolithic refractories demonstrate their ability to withstand the corrosive environments in steelmaking processes through their high resistance to temperature and thermal shock, excellent chemical resistance, dense and uniform structure, high refractoriness, and the utilization of specialized additives and binders. These attributes make monolithic refractories an optimal choice for enduring the rigorous conditions of steelmaking processes, ensuring the durability and efficiency of the refractory lining.
Q:What are the main types of monolithic refractories used in the iron and steel industry?
The main types of monolithic refractories used in the iron and steel industry are castables, ramming materials, gunning materials, and plastic refractories. Castables are a type of refractory material that can be poured or cast into various shapes and sizes. They are made from a mixture of refractory aggregates, binders, and additives. Castables are commonly used in areas such as ladles, tundishes, and blast furnaces due to their excellent thermal shock resistance and high strength. Ramming materials, also known as ramming mixes, are used for lining the bottoms of furnaces and other high-temperature applications. They are typically composed of refractory aggregates and a bonding agent, which allows them to be compacted or rammed into place. Ramming materials offer good resistance to thermal cycling and can withstand high temperatures. Gunning materials are designed to be sprayed or gunned onto the refractory surface using a high-pressure gunning machine. They are used for repairing and patching refractory linings that have been damaged or eroded. Gunning materials are usually made from a mixture of refractory aggregates, binders, and additives. They provide excellent adhesion and are commonly used in applications such as kilns, converters, and electric arc furnaces. Plastic refractories are a type of monolithic refractory that can be molded or formed into various shapes. They are made from a mixture of refractory aggregates, plasticizers, and binders. Plastic refractories are used for lining various equipment and structures in the iron and steel industry, including boilers, incinerators, and chimneys. They offer good resistance to thermal shock and can be easily installed by hand or with a trowel. Overall, these types of monolithic refractories play a crucial role in the iron and steel industry by providing high-temperature resistance, thermal insulation, and durability to the various equipment and structures used in the production process.
Q:How do monolithic refractories withstand high temperatures in iron and steel production?
Monolithic refractories are specially designed to withstand the high temperatures encountered in iron and steel production. These refractories are made from a single piece or a single material, unlike traditional brick refractories that are made by laying bricks one by one. The ability of monolithic refractories to withstand high temperatures is due to their unique composition and structure. They are made from high-quality raw materials such as alumina, magnesia, silica, and carbon, which have high melting points and excellent heat resistance. The monolithic refractory is typically mixed with a binder, such as clay or cement, to give it shape and strength. This binder helps to hold the refractory particles together and provides the necessary structure to withstand thermal stresses. Additionally, various additives and additives can be included in the mix to further enhance the refractory properties. During iron and steel production, the monolithic refractories are exposed to extreme temperatures, rapid heating, and cooling cycles, as well as chemical reactions with molten metals and slag. However, the unique composition and structure of monolithic refractories enable them to endure these harsh conditions. The high melting point materials used in monolithic refractories prevent them from melting or deforming under the intense heat of iron and steel production. These materials have excellent thermal conductivity, allowing them to effectively transfer heat away from the hot surfaces, thus preventing overheating and damage. Furthermore, the binders and additives in monolithic refractories help to increase their resistance to thermal shock, which occurs when there is a rapid change in temperature. This resistance is crucial in iron and steel production since the refractories are frequently exposed to extreme temperature differentials. Lastly, the monolithic nature of these refractories eliminates the joints and gaps found in traditional brick refractories. The absence of joints minimizes the risk of heat leakage and infiltration of molten metal or slag, ensuring a more efficient and durable lining. In conclusion, monolithic refractories are specifically designed to withstand the high temperatures encountered in iron and steel production. Their composition, structure, and unique properties enable them to endure extreme heat, rapid temperature changes, chemical reactions, and thermal stresses, making them essential components in the manufacturing of iron and steel.

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