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 improve the lining of converters and refining vessels?
- Improving the lining of converters and refining vessels is a crucial role played by monolithic refractories in several ways. To begin with, these refractories offer exceptional thermal insulation properties, which effectively maintain the desired temperature within the converters and refining vessels. This is particularly important as the metallurgical processes require high temperatures to be effective. Furthermore, the high chemical resistance of monolithic refractories is vital in the harsh conditions of converters and refining vessels. These vessels often come into contact with corrosive materials and aggressive slags, but the monolithic refractories prevent any deterioration or erosion of the lining caused by these substances. In addition, the mechanical strength and stability provided by monolithic refractories ensure that the lining remains intact even under high operational stresses. This is especially significant in converters and refining vessels where frequent mechanical movements and thermal expansions occur. Moreover, monolithic refractories offer easy installation and repair compared to traditional bricks, which require complex and time-consuming assembling. Monolithic refractories can be applied as a single mass, minimizing downtime during installation or repair. This results in time and cost savings for maintaining the lining of converters and refining vessels. Overall, the utilization of monolithic refractories significantly enhances the performance and longevity of converters and refining vessels. Their excellent thermal insulation, chemical resistance, mechanical strength, and ease of installation and repair guarantee efficient and reliable operation in metallurgical processes.
- Q: What are the recent developments in monolithic refractories for the iron and steel industry?
- In recent years, there have been several significant developments in monolithic refractories for the iron and steel industry. Monolithic refractories play a crucial role in the production of iron and steel, as they provide high-temperature resistance and insulation to the lining of furnaces and other equipment used in the industry. One of the key advancements in monolithic refractories is the development of advanced alumina-based castables. These castables offer superior thermal shock resistance, high strength, and excellent corrosion resistance, making them ideal for use in the iron and steel industry. They can withstand extreme temperatures and mechanical stresses, ensuring longer service life and reduced downtime for maintenance. Another notable development is the introduction of low-cement and ultra-low cement castables. These castables have a reduced cement content compared to traditional castables, resulting in improved refractory properties. They offer higher hot strength, reduced porosity, and enhanced resistance to slag and metal corrosion. This allows for increased productivity and efficiency in iron and steel manufacturing processes. Furthermore, there have been advancements in the use of insulating refractories in the iron and steel industry. Insulating castables and bricks are now being used to line ladles, tundishes, and other equipment, providing better insulation and energy efficiency. These materials help to reduce heat loss and improve thermal efficiency, resulting in cost savings and reduced environmental impact. Additionally, the development of monolithic refractories with improved installation techniques has been a significant development. Traditional brick lining methods require skilled labor and a longer installation time. However, with the introduction of gunning and shotcreting techniques, the installation process has become faster and more efficient. These techniques involve spraying refractory materials onto the lining surface, ensuring better adherence and reducing the risk of lining failure. Overall, the recent developments in monolithic refractories for the iron and steel industry have focused on improving thermal shock resistance, corrosion resistance, insulation properties, and installation techniques. These advancements have resulted in increased efficiency, reduced downtime, and improved productivity in the iron and steel manufacturing processes.
- Q: What are the advantages of using low-cement castables in the iron and steel industry?
- There are several advantages of using low-cement castables in the iron and steel industry. Firstly, low-cement castables have a lower water requirement compared to conventional castables. This means that less water is needed during the installation process, resulting in a quicker and more efficient installation. Additionally, low water content leads to better strength development and reduced drying time, allowing for faster turnaround times in the production process. Secondly, low-cement castables offer superior resistance to thermal shocks and high temperatures. The iron and steel industry operates at extremely high temperatures, and low-cement castables have excellent refractory properties that can withstand these harsh conditions. This ensures a longer service life for the refractory lining and reduces the need for frequent repairs or replacements. Furthermore, low-cement castables exhibit excellent mechanical strength and abrasion resistance. The iron and steel industry involves the handling of heavy materials and abrasive substances, which can cause wear and tear on the refractory lining. Low-cement castables have the ability to withstand these mechanical stresses, thereby increasing the durability and longevity of the lining. Moreover, low-cement castables have a low porosity and high density, which results in reduced permeability. This makes them highly resistant to alkali attacks, chemical corrosion, and slag penetration, which are common challenges faced in the iron and steel industry. By using low-cement castables, the risk of refractory failure due to these corrosive elements is minimized. Lastly, low-cement castables offer improved energy efficiency. Their lower thermal conductivity means that less heat is conducted through the refractory lining, resulting in reduced heat losses. This leads to energy savings, as less heat is wasted and more heat is retained in the system. This is particularly advantageous in the iron and steel industry, where energy costs can be significant. In summary, the advantages of using low-cement castables in the iron and steel industry include reduced water requirement, superior thermal resistance, enhanced mechanical strength, improved resistance to chemical corrosion, and increased energy efficiency. These benefits contribute to overall cost savings, increased productivity, and improved operational performance in the iron and steel manufacturing process.
- Q: What are the key properties of monolithic refractories?
- The key properties of monolithic refractories include high strength, thermal shock resistance, erosion and abrasion resistance, good thermal conductivity, and excellent chemical resistance. These properties make monolithic refractories suitable for applications where high temperatures, harsh environments, and mechanical stresses are present, such as in furnaces, kilns, and reactors.
- Q: What are the key innovations in monolithic refractories for the iron and steel industry?
- Some key innovations in monolithic refractories for the iron and steel industry include the development of advanced materials such as low cement castables, gunning mixes, and shotcretes. These materials offer improved resistance to thermal shock, increased strength, and enhanced erosion resistance, thereby extending the service life of refractory linings in high-temperature environments. Additionally, the introduction of monolithic refractory installation techniques such as robotic application and advanced spraying technologies has improved efficiency and reduced downtime during maintenance and repair operations.
- Q: What are the common testing methods used to evaluate the performance of monolithic refractories?
- There are several common testing methods used to evaluate the performance of monolithic refractories. These methods help to determine the suitability and durability of refractory materials in various applications. Some of the most commonly used testing methods include: 1. Thermal Conductivity Testing: This method measures the ability of a refractory material to conduct heat. It helps in determining the insulation properties of the material and its ability to withstand thermal shocks. 2. Compression Testing: This test measures the compressive strength of the refractory material. It helps in understanding how well the material can withstand external forces and pressure without breaking or deforming. 3. Abrasion Testing: This method evaluates the resistance of the refractory material to wear and tear caused by abrasive forces. It helps in assessing the material's ability to withstand erosive conditions and long-term exposure to harsh environments. 4. Creep Testing: This testing method measures the deformation or sagging of the refractory material under high temperatures and constant loading. It helps in understanding the material's resistance to deformation and its ability to maintain its shape over time. 5. Thermal Expansion Testing: This test determines the expansion and contraction characteristics of the refractory material when exposed to different temperatures. It helps in assessing the material's ability to withstand thermal cycling without cracking or breaking. 6. Chemical Resistance Testing: This method evaluates the resistance of the refractory material to chemical attacks, such as corrosion or erosion caused by chemical reactions. It helps in determining the material's suitability for specific applications where it may come into contact with corrosive substances. 7. Refractoriness Under Load (RUL) Testing: This test measures the ability of the refractory material to withstand high temperatures and maintain its structural integrity. It helps in understanding the material's resistance to thermal stresses and its suitability for high-temperature applications. These testing methods provide valuable data to assess the performance of monolithic refractories and ensure their suitability for specific industrial applications. By evaluating these properties, manufacturers and users can make informed decisions regarding the selection and use of refractory materials.
- Q: What are some common applications of monolithic refractories in the iron and steel industry?
- Monolithic refractories are widely used in the iron and steel industry due to their superior performance and versatility. Some common applications of monolithic refractories in this industry include: 1. Blast Furnace: Monolithic refractories are used in the lining of blast furnaces to withstand high temperatures and chemical reactions. They help in maintaining the structural integrity of the furnace and provide insulation against heat loss. 2. Ladle Lining: Monolithic refractories are used to line ladles, which are used for transferring molten iron or steel from the blast furnace to the steelmaking process. These refractories provide excellent resistance to thermal shock and erosion caused by the aggressive molten metal. 3. Tundish Lining: Tundish is an intermediate vessel used to distribute molten steel to multiple casting molds. Monolithic refractories are employed in the tundish lining to ensure proper thermal insulation and prevent contamination of the steel during casting. 4. Electric Arc Furnace (EAF): Monolithic refractories are used in the lining of EAFs to withstand the extreme temperatures and chemical reactions involved in the steelmaking process. They provide excellent resistance to high heat and erosion caused by the molten metal and slag. 5. Induction Furnace: Induction furnaces are used for melting and refining metals. Monolithic refractories are used in the lining of induction furnaces to provide insulation and protect the furnace structure from the high temperatures and chemical reactions occurring during the melting process. 6. Continuous Casting: Monolithic refractories are used in the lining of continuous casting machines to ensure smooth and consistent casting of molten steel. They provide excellent resistance to high temperatures, thermal shock, and erosion caused by the molten metal and slag. Overall, monolithic refractories play a crucial role in the iron and steel industry by providing durability, thermal insulation, and resistance to chemical reactions, thereby enhancing the overall efficiency and productivity of the manufacturing process.
- Q: What are the advantages of using monolithic refractories in electric arc furnaces?
- Using monolithic refractories in electric arc furnaces offers several advantages. Firstly, their excellent thermal shock resistance allows them to withstand rapid temperature changes without cracking or deteriorating. This ensures the longevity and efficiency of the furnace. Secondly, monolithic refractories have superior corrosion resistance. They are specifically designed to resist chemical attack from aggressive slag compositions, providing long-lasting protection against corrosion. Additionally, monolithic refractories offer great flexibility in terms of installation. Unlike brick linings, they can be easily applied as a liquid or paste, allowing for faster and more efficient installation. This reduces downtime during maintenance or repairs and allows for customized linings to be easily created. Moreover, monolithic refractories have excellent thermal conductivity, allowing for efficient heat transfer within the furnace. This results in optimal energy use and minimized heat losses, leading to reduced operating costs and increased productivity. Furthermore, monolithic refractories have a high refractoriness, meaning they can withstand extremely high temperatures without deformation or failure. This is crucial for the safe and efficient operation of electric arc furnaces. In conclusion, the advantages of monolithic refractories in electric arc furnaces include their thermal shock resistance, corrosion resistance, ease of installation, high thermal conductivity, and exceptional refractoriness. These properties contribute to improved furnace performance, increased productivity, reduced operating costs, and extended furnace life.
- Q: How are monolithic refractories manufactured?
- Monolithic refractories are manufactured using a specific process that involves several steps. The first step is the selection and preparation of raw materials. These raw materials usually include aggregates, binders, and additives. Aggregates are chosen based on their chemical and physical properties, while binders are used to hold the aggregates together. Additives are included to enhance specific properties of the refractory material. Once the raw materials are selected, they are mixed together in precise proportions to create a homogeneous mixture. This mixture is then blended using various techniques such as dry or wet mixing, depending on the desired characteristics of the final product. After blending, the next step is shaping the refractory material. This can be done through several methods such as casting, gunning, ramming, or spraying. Each method is chosen based on the specific application and requirements of the refractory. Once the refractory material is shaped, it undergoes a curing process. This process involves drying the material at a controlled temperature to remove any excess moisture and allow for the development of desired properties. Finally, the cured refractory material is fired in a kiln at high temperatures. This firing process helps to further strengthen the refractory and enhance its resistance to heat and other harsh conditions. Overall, the manufacturing of monolithic refractories involves careful selection and preparation of raw materials, precise blending, shaping, curing, and firing processes. This ensures the production of high-quality refractory materials that can withstand the extreme conditions found in various industrial applications.
- Q: What are the specific requirements of monolithic refractories for soaking pit applications?
- The specific requirements of monolithic refractories for soaking pit applications are primarily aimed at withstanding high temperatures and thermal cycling, as well as providing excellent resistance to chemical attacks and mechanical stresses. Firstly, monolithic refractories used in soaking pits need to have a high temperature resistance capability, as these pits are subjected to extreme heat conditions. They should be able to withstand continuous exposure to temperatures exceeding 1500 degrees Celsius without any significant degradation. This is crucial to ensure the longevity and durability of the refractories. Secondly, thermal cycling is a common occurrence in soaking pit applications. The refractories should possess good thermal shock resistance to handle rapid changes in temperature. This prevents cracking and spalling, which can compromise the integrity of the refractories. Chemical attacks are also a concern in soaking pit applications due to the presence of molten metal, slag, and other corrosive substances. The refractories used should have excellent chemical resistance to prevent erosion and chemical reactions. They should be able to resist the corrosive effect of molten metal and slag, as well as any potential chemical reactions with these substances. Furthermore, soaking pits involve mechanical stresses, such as abrasion and impact, due to the handling and movement of metal ingots. The monolithic refractories must have good mechanical strength and abrasion resistance to withstand these stresses. They should be able to resist wear and tear caused by the movement of heavy loads and prevent any mechanical failure. Lastly, the refractories used in soaking pits should have good workability and ease of installation. This allows for efficient and effective lining of the pit, ensuring a proper seal and minimizing any gaps or cracks that could lead to heat loss or chemical penetration. Overall, the specific requirements of monolithic refractories for soaking pit applications revolve around high temperature resistance, thermal shock resistance, chemical resistance, mechanical strength, and ease of installation. Meeting these requirements ensures the refractories can withstand the harsh conditions of soaking pits and maintain their performance and integrity over an extended period.
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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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