• Monolithic Refractories for Iron and Steel Industry - Pitch Coke Coaly as Carbon Raiser and Carbon Additive System 1
  • Monolithic Refractories for Iron and Steel Industry - Pitch Coke Coaly as Carbon Raiser and Carbon Additive System 2
Monolithic Refractories for Iron and Steel Industry - Pitch Coke Coaly as Carbon Raiser and Carbon Additive

Monolithic Refractories for Iron and Steel Industry - Pitch Coke Coaly as Carbon Raiser and Carbon Additive

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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.

 

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 torpedo ladle applications?
Monolithic refractories perform exceptionally well in torpedo ladle applications due to their high thermal shock resistance, excellent erosion and corrosion resistance, and superior mechanical strength. They can withstand the extreme temperatures and aggressive molten metal environment inside the torpedo ladle, ensuring long-lasting and reliable performance. Additionally, monolithic refractories offer ease of installation and maintenance, making them a preferred choice in torpedo ladle applications.
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:How do monolithic refractories improve the durability of furnace linings?
Monolithic refractories play a crucial role in enhancing the durability of furnace linings due to their unique characteristics and properties. These materials are composed of a single, homogeneous structure, unlike traditional brick refractories that consist of individual bricks or tiles. One of the key ways in which monolithic refractories improve the durability of furnace linings is through their ability to eliminate joints and seams. In traditional brick refractories, the joints between the bricks can be weak points where cracks and failures can occur due to thermal expansion and contraction. Monolithic refractories, on the other hand, are poured or gunned into place, ensuring a seamless lining. This seamless structure minimizes the potential for cracks, making the lining more durable and less susceptible to thermal stress. Monolithic refractories also have excellent thermal shock resistance, which is crucial for furnace linings that are subjected to rapid and extreme temperature changes. The monolithic structure allows for better heat transfer and distribution, preventing localized hotspots that can lead to thermal shock and lining failure. This enhanced thermal shock resistance ensures that the furnace lining can withstand the repeated heating and cooling cycles without significant damage, hence improving its overall durability. Additionally, monolithic refractories offer superior erosion and corrosion resistance. Furnace linings are often exposed to harsh chemicals, molten metals, and abrasive materials, which can cause erosion and corrosion over time. Monolithic refractories are designed to resist these corrosive agents, protecting the lining from chemical attacks and physical wear. This resistance ensures a longer lifespan for the furnace lining and reduces the need for frequent repairs or replacements. Furthermore, monolithic refractories provide better insulation properties compared to traditional brick refractories. They have lower thermal conductivity, meaning that heat transfer through the lining is minimized. This insulation property helps to maintain a more stable and uniform temperature within the furnace, reducing thermal stress on the lining and contributing to its longevity. In summary, monolithic refractories improve the durability of furnace linings by eliminating joints and seams, enhancing thermal shock resistance, providing erosion and corrosion resistance, and offering superior insulation properties. These materials are specifically designed to withstand the extreme conditions inside furnaces, ensuring a longer lifespan for the lining and reducing maintenance costs in the long run.
Q:What are the common manufacturing processes used for monolithic refractories?
The common manufacturing processes used for monolithic refractories include: 1. Mixing: The first step in the manufacturing process is the proper mixing of the raw materials. This involves carefully measuring and combining the different ingredients to ensure a homogeneous mixture. 2. Wetting: Once the ingredients are mixed, water or a liquid binder is added to wet the mixture. This helps in improving the workability and plasticity of the material, making it easier to shape and mold. 3. Forming: The wet mixture is then shaped into the desired form using various techniques such as casting, gunning, ramming, or extrusion. Casting involves pouring the wet mixture into a mold and allowing it to solidify, while gunning uses a spray gun to apply the material onto a surface. Ramming involves compacting the wet mixture into a mold using a ramming tool, and extrusion involves forcing the wet mixture through a die to create specific shapes. 4. Drying: After forming, the shaped monolithic refractory is dried to remove any excess moisture. This is typically done in a controlled environment with specific temperature and humidity conditions to prevent cracking or warping. 5. Firing: Once dried, the monolithic refractory is fired at high temperatures to achieve its desired properties. This process, known as sintering, helps in bonding the particles together and increasing the strength and stability of the material. 6. Finishing: After firing, the monolithic refractory may undergo additional finishing processes such as grinding, polishing, or coating to improve its surface quality and enhance its performance. These common manufacturing processes ensure the production of high-quality monolithic refractories with consistent properties and performance characteristics.
Q:How do monolithic refractories contribute to the reduction of heat loss in iron and steel furnaces?
Monolithic refractories play a crucial role in reducing heat loss in iron and steel furnaces by providing excellent insulation and maintaining a high level of thermal efficiency. These materials are designed to withstand extreme temperatures and are applied as a single, seamless lining, eliminating joints and gaps that could allow heat to escape. By creating a barrier between the hot furnace and the surrounding environment, monolithic refractories effectively minimize heat loss, ensuring optimal energy utilization and cost savings in the iron and steel industry.
Q:How do monolithic refractories improve the lining of converters and refining vessels?
Monolithic refractories enhance the lining of converters and refining vessels by providing superior thermal insulation, chemical resistance, and structural integrity. They eliminate the need for bricklaying, offering a seamless lining with reduced joints, thereby minimizing heat loss and ensuring efficient heat transfer. Additionally, monolithic refractories are highly resistant to the corrosive effects of molten metals and slag, prolonging the lifespan of the lining. Their flexibility enables easy installation and repair, resulting in reduced downtime and improved overall performance of converters and refining vessels.
Q:How do monolithic refractories help in enhancing the durability of iron and steel furnaces?
Monolithic refractories play a crucial role in enhancing the durability of iron and steel furnaces due to their unique properties and characteristics. These materials are designed to withstand extremely high temperatures and harsh conditions, making them ideal for lining the furnaces. Firstly, monolithic refractories have excellent thermal resistance, meaning they can withstand extreme heat without losing their structural integrity. Iron and steel furnaces operate at incredibly high temperatures, sometimes exceeding 2,000 degrees Celsius. Regular bricks or other materials would not be able to withstand such temperatures, leading to frequent repairs and maintenance. Monolithic refractories, on the other hand, can handle these extreme temperatures without deteriorating, thus enhancing the durability of the furnaces. Secondly, monolithic refractories have high resistance to chemical attack. In iron and steel production, the materials being processed often contain various impurities and aggressive chemicals. These substances can react with the furnace lining and cause corrosion or erosion over time. However, monolithic refractories have a high resistance to chemical attack, ensuring that the lining remains intact and durable even in the presence of corrosive elements. Furthermore, monolithic refractories have excellent mechanical strength and abrasion resistance. Iron and steel furnaces experience mechanical stress and abrasion due to the movement of raw materials, the stirring of molten metal, and the tapping of the furnace. The lining needs to withstand this constant wear and tear without breaking or cracking. Monolithic refractories have superior mechanical strength and can resist abrasion, ensuring that the furnace remains durable and functional for a longer period. Additionally, monolithic refractories offer exceptional thermal shock resistance. The lining of iron and steel furnaces is subjected to rapid temperature changes during various stages of production. These temperature fluctuations can cause thermal stress and lead to cracking or spalling of the lining. However, monolithic refractories have low thermal conductivity and can withstand thermal shock, preventing any damage to the furnace lining and enhancing its durability. In summary, monolithic refractories help enhance the durability of iron and steel furnaces by providing excellent thermal resistance, high resistance to chemical attack, superior mechanical strength and abrasion resistance, as well as exceptional thermal shock resistance. These properties ensure that the furnace lining remains intact, withstands extreme temperatures, and resists the corrosive and abrasive nature of the materials being processed, ultimately prolonging the life of the furnace and reducing the need for frequent repairs or replacements.
Q:How do monolithic refractories contribute to the quality of iron and steel products?
Monolithic refractories play a crucial role in enhancing the quality of iron and steel products. These refractories are comprised of a single, solid structure, making them highly resistant to thermal and mechanical stresses. Their unique properties make them well-suited for various high-temperature applications in the iron and steel industry. Firstly, monolithic refractories provide excellent thermal insulation, which helps to maintain a consistent temperature within the furnace or kiln. This stability in temperature is essential for the proper heat treatment of iron and steel, ensuring optimal metallurgical properties and reducing the risk of defects. By preventing heat loss, monolithic refractories enable efficient energy utilization, leading to cost savings and environmental benefits. Another significant contribution of monolithic refractories lies in their ability to withstand harsh operating conditions. The iron and steel manufacturing process involves extreme temperatures, aggressive chemical environments, and mechanical stresses. Monolithic refractories exhibit exceptional resistance to these conditions, ensuring durability and longevity. Their high resistance to thermal shock prevents cracking or spalling, which can lead to contamination and compromised product quality. Furthermore, monolithic refractories offer excellent corrosion resistance, protecting the iron and steel products from chemical reactions with molten metal, slag, and other aggressive substances. This resistance not only preserves the integrity of the refractory lining but also prevents contamination of the metal, resulting in improved product quality. Monolithic refractories also enable flexibility in design and installation. They can be shaped, cast, or gunned into various complex geometries, allowing for customization according to the specific requirements of the iron and steel production process. This versatility ensures optimal lining performance, maximizing efficiency and product quality. Overall, monolithic refractories contribute significantly to the quality of iron and steel products through their thermal insulation properties, resistance to harsh operating conditions, corrosion resistance, and design flexibility. By providing a reliable and durable lining in high-temperature applications, monolithic refractories help to ensure consistent and high-quality output in the iron and steel industry.
Q:What are the key factors to consider when designing the lining system with monolithic refractories?
To ensure optimal performance and longevity of the lining, several key factors must be taken into account when designing a system with monolithic refractories. These factors include: 1. Material selection: It is crucial to choose the appropriate monolithic refractory material, considering factors such as operating temperature, chemical environment, and mechanical stress. Different materials have varying properties and performance characteristics, so selecting the most suitable one for the specific application is essential. 2. Thermal expansion: Like any other material, monolithic refractories expand and contract with temperature changes. Therefore, it is important to consider the thermal expansion properties and how they will interact with the surrounding structure. To prevent cracking or spalling, proper expansion joints or design features should be incorporated. 3. Installation technique: The method of installation plays a critical role in the lining system's performance. Following the manufacturer's guidelines for mixing, placing, and curing the refractory material is essential. Improper installation can compromise lining integrity, thermal conductivity, and structural stability. 4. Bonding and anchoring: To ensure effective lining performance, a strong bond between the monolithic refractory and the substrate is necessary. Proper surface preparation, suitable bonding agents, and appropriate anchoring techniques should be considered to enhance adhesion and stability. 5. Structural design: The structural design of the lining system should be carefully planned to withstand mechanical stresses and operational conditions. Load-bearing capacity, thermal shock resistance, and thermal cycling must be taken into consideration during the design phase. Reinforcement materials, such as steel fibers or mesh, may be required to enhance structural integrity and prevent cracking or spalling. 6. Maintenance and repair: Anticipating the need for maintenance and repair is crucial for the lining system's longevity. Access points, inspection ports, and repair techniques should be considered. Regular inspections and proactive maintenance can help identify and address issues before they escalate and cause major failures. By considering these key factors, a well-designed and effective lining system with monolithic refractories can be ensured, capable of withstanding harsh conditions and providing long-term performance.
Q:What are the recommended curing times for monolithic refractories?
The recommended curing times for monolithic refractories can vary depending on the specific type of refractory and its application. However, in general, it is important to follow the manufacturer's guidelines for curing times to ensure the proper setting and development of the refractory material. For conventional castable refractories, a typical curing time can range from 24 to 48 hours. During this period, it is essential to control the temperature and humidity conditions to allow for the hydration and hardening of the castable. This curing time is crucial to achieve the desired strength and durability of the refractory lining. On the other hand, low cement or ultra-low cement castables may require a longer curing time due to their reduced water content. These refractories often need a curing period of 48 to 72 hours to allow for proper bonding and solidification. For gunning mixes or shotcrete applications, the curing time might be shorter, usually around 8 to 12 hours. This faster curing process is facilitated by the addition of accelerators to the mix, which promote rapid setting and hardening. It is important to note that these recommended curing times are just general guidelines, and specific recommendations may vary depending on factors such as ambient temperature, humidity, and the specific refractory material being used. Therefore, it is always advisable to consult the manufacturer's instructions or seek guidance from a refractory specialist to ensure optimal curing and performance of the monolithic refractory.

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