Monolithic Refractories for Iron and Steel Industry - Calcined Petroleum Coke with Stable Quality
- 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.
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 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: What are the advantages of using insulating castables in the iron and steel industry?
- There are several advantages of using insulating castables in the iron and steel industry. Firstly, insulating castables provide excellent thermal insulation. They have low thermal conductivity, which helps to minimize heat loss from the furnaces and other equipment. This is particularly important in the iron and steel industry, where high temperatures are required for various processes. The insulation provided by castables helps to maintain a stable temperature within the furnace, resulting in improved energy efficiency and reduced fuel consumption. Secondly, insulating castables have high strength and excellent resistance to thermal shock. This is crucial in the iron and steel industry, where extreme temperature changes are common. The castables can withstand rapid heating and cooling cycles without cracking or compromising their structural integrity. This ensures the longevity and durability of the refractory lining, reducing the need for frequent maintenance and repairs. Furthermore, insulating castables are lightweight and easy to install. Their low density makes them easier to handle and transport, resulting in reduced labor costs and shorter installation times. This is particularly advantageous in large-scale iron and steel plants, where time and cost efficiency are critical. Moreover, insulating castables offer good corrosion resistance. The harsh environment in the iron and steel industry, with the presence of molten metal, slag, and various chemicals, can cause corrosion and erosion of refractory materials. Insulating castables are designed to withstand these corrosive conditions, ensuring the longevity of the lining and minimizing the risk of downtime and production disruptions. Lastly, insulating castables are versatile and can be customized to meet specific requirements. They are available in various compositions and densities, allowing for tailored solutions to different applications within the iron and steel industry. This versatility ensures optimal performance and efficiency in various furnace and equipment designs. In conclusion, the advantages of using insulating castables in the iron and steel industry include excellent thermal insulation, high strength, resistance to thermal shock, lightweight installation, corrosion resistance, and versatility. These benefits contribute to improved energy efficiency, reduced maintenance costs, increased durability, and enhanced overall productivity in the industry.
- Q: What types of monolithic refractories are commonly used in the iron and steel industry?
- Commonly used monolithic refractories in the iron and steel industry include castables, gunning mixes, and ramming mixes.
- Q: How do monolithic refractories perform in blast furnace taphole applications?
- Monolithic refractories perform excellently in blast furnace taphole applications due to their high thermal resistance, mechanical strength, and resistance to chemical attack. They are able to withstand the extreme temperatures and abrasive conditions of the blast furnace discharge, ensuring reliable and efficient operation of the taphole. Additionally, monolithic refractories offer easy installation and maintenance, reducing downtime and improving overall productivity in the blast furnace.
- Q: How do monolithic refractories respond to changes in thermal conditions?
- Monolithic refractories have the ability to withstand and adapt to changes in thermal conditions. They have a high thermal shock resistance, meaning they can handle rapid changes in temperature without cracking or breaking. Additionally, they exhibit good thermal conductivity, allowing them to efficiently conduct and distribute heat. Overall, monolithic refractories demonstrate a stable and reliable response to changes in thermal conditions.
- Q: What are the considerations for repairing and relining monolithic refractories?
- When repairing and relining monolithic refractories, there are several key considerations that need to be taken into account. First and foremost, it is crucial to assess the extent of the damage or deterioration in order to determine the appropriate repair method. Factors such as the type of refractory material, the operating conditions, and the expected service life must be considered. Additionally, it is essential to select the right refractory material for the repair or relining process. This involves evaluating the temperature range, chemical resistance, thermal conductivity, and mechanical properties of the refractory material to ensure it is compatible with the specific application. Another important consideration is the proper preparation of the surface before applying the repair material. This may involve removing any loose or damaged refractory, cleaning the surface thoroughly, and creating a suitable bonding surface to ensure optimal adhesion. Furthermore, the application technique and curing process of the repair material should be carefully followed to achieve the desired performance and durability. This may involve proper mixing, application thickness, drying time, and temperature control. Lastly, it is crucial to conduct regular inspections and maintenance to identify any signs of deterioration or damage early on. This proactive approach will help prevent major repairs or relining in the future and prolong the overall lifespan of the monolithic refractories.
- Q: How do monolithic refractories contribute to the overall efficiency of ladle cleaning operations?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of ladle cleaning operations. These refractory materials, which are composed of a single, homogeneous structure, offer several key advantages that contribute to improved efficiency. Firstly, monolithic refractories have excellent thermal insulation properties. This means they can withstand high temperatures without cracking or deteriorating, allowing for more efficient and effective ladle cleaning operations. By maintaining a consistent temperature, these refractories minimize heat loss and ensure that the cleaning process can be carried out without interruptions or delays. Secondly, monolithic refractories have high resistance to chemical attacks. Ladles used in steelmaking processes often come into contact with aggressive molten metals and slag, which can erode and corrode the refractory lining. However, monolithic refractories are specifically designed to withstand these harsh conditions, ensuring a longer service life and reducing the need for frequent repairs or replacements. This not only saves time but also reduces the overall cost of ladle maintenance. Furthermore, monolithic refractories have excellent flowability and workability. They can be easily shaped and installed in the ladle lining, allowing for quick and precise application. This ease of installation translates into shorter downtime during ladle cleaning operations, as the refractory lining can be repaired or replaced swiftly. Additionally, the flowability of monolithic refractories enables better coverage and adherence to the ladle's surface, ensuring that no gaps or weak points are left behind. This enhances the overall effectiveness of the cleaning process and prevents any potential contamination or reactivity issues. In conclusion, monolithic refractories contribute to the overall efficiency of ladle cleaning operations by providing excellent thermal insulation, high resistance to chemical attacks, and easy workability. These properties result in reduced downtime, increased durability, and cost savings, making monolithic refractories a vital component in optimizing ladle cleaning processes.
- Q: What are the key factors affecting the installation and curing of monolithic refractories?
- There are several key factors that affect the installation and curing of monolithic refractories: 1. Material selection: The choice of monolithic refractory material is crucial as it determines the installation and curing process. Different materials have different installation and curing requirements, so it is important to select the right material for the specific application. 2. Surface preparation: Proper surface preparation is essential for the successful installation and curing of monolithic refractories. The surface should be clean, free from contaminants, and properly roughened to ensure good adhesion of the refractory material. 3. Mixing and proportioning: The mixing and proportioning of the refractory material play a significant role in its installation and curing. It is important to follow the manufacturer's instructions for mixing ratios and ensure thorough mixing to achieve a homogeneous mixture. 4. Application technique: The technique used to apply the monolithic refractory material can greatly impact its installation and curing. Proper application techniques, such as gunning, casting, or ramming, should be employed to ensure uniformity and proper bonding with the substrate. 5. Temperature control: Temperature control during the installation and curing process is critical for the development of desired properties in the monolithic refractory. The curing process should be carried out at the recommended temperature, and any sudden temperature changes should be avoided to prevent thermal stresses. 6. Moisture content: The moisture content of the refractory material and the surrounding environment can affect its installation and curing. Excessive moisture can lead to shrinkage, cracking, or poor bonding, while insufficient moisture can hinder proper curing. It is important to maintain the optimum moisture content for the specific refractory material. 7. Curing time: The curing time required for monolithic refractories varies depending on the material and application. It is crucial to follow the recommended curing time to allow for proper strength development and dimensional stability. 8. Environmental conditions: Environmental factors, such as humidity, temperature, and air circulation, can influence the installation and curing of monolithic refractories. Suitable environmental conditions should be maintained to facilitate proper drying and curing. Overall, understanding and addressing these key factors can ensure the successful installation and curing of monolithic refractories, leading to improved performance and longevity of the refractory lining.
- Q: How do monolithic refractories improve the performance of iron and steel furnaces?
- Monolithic refractories play a crucial role in enhancing the performance of iron and steel furnaces through various means. Firstly, these refractories offer exceptional thermal insulation, which helps maintain a stable and high temperature within the furnace. This is of utmost importance as the production of iron and steel necessitates extremely high temperatures for efficient melting and refining processes. Secondly, monolithic refractories possess remarkable resistance to thermal shock and can endure rapid temperature fluctuations without cracking or spalling. This is particularly significant in iron and steel furnaces where temperature fluctuations can be substantial during operations. By withstanding thermal shock, these refractories ensure the durability of the furnace lining, thereby reducing the need for maintenance and minimizing downtime. Moreover, monolithic refractories display excellent resistance to chemical attacks caused by the molten metal and slag in the furnace. The production of iron and steel involves the use of various chemical agents that can corrode and erode the furnace lining. Monolithic refractories offer superior resistance to these chemical attacks, preserving the integrity of the furnace lining and preventing contamination of the metal being produced. Additionally, monolithic refractories possess exceptional mechanical strength and abrasion resistance. This is crucial as they are subjected to mechanical stresses and wear resulting from the movement of materials inside the furnace, such as charging and tapping operations. The high mechanical strength and abrasion resistance of these refractories ensure their durability and prolong their service life in iron and steel furnaces. In conclusion, monolithic refractories enhance the performance of iron and steel furnaces by providing superior thermal insulation, resistance to thermal shock and chemical attacks, as well as high mechanical strength and abrasion resistance. These properties contribute to the efficient and reliable operation of the furnace, resulting in increased productivity, reduced maintenance costs, and improved product quality.
- 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.
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Monolithic Refractories for Iron and Steel Industry - Calcined Petroleum Coke with Stable Quality
- 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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