Monolithic Refractories for Iron and Steel Industry:Low N Calcining Petroleum Coke with Good Quantity
- 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 provide thermal insulation in the iron and steel industry?
- Monolithic refractories play a crucial role in providing thermal insulation in the iron and steel industry. These refractories are commonly used to line the furnaces and other high-temperature equipment used in the production processes. One way monolithic refractories provide thermal insulation is by their ability to withstand high temperatures without degrading or melting. They are designed to have high heat resistance, which allows them to be used in environments where temperatures can reach several thousand degrees Celsius. By withstanding these extreme temperatures, the refractories prevent the transfer of heat to the surrounding structure, thus providing insulation. Another way monolithic refractories provide thermal insulation is through their low thermal conductivity. These materials have a low thermal conductivity, meaning they are not efficient in conducting heat. Instead, they trap the heat within their structure and minimize its transfer to the surrounding equipment or environment. This characteristic helps to maintain the temperature inside the furnaces and other high-temperature equipment, allowing for efficient and controlled metal production. Furthermore, monolithic refractories can be applied as a thick lining layer, which creates an additional barrier between the high-temperature environment and the surrounding equipment. The thickness of the refractory lining helps to minimize heat transfer and acts as a buffer, reducing the impact of high temperatures on the structural integrity of the equipment. In addition to providing thermal insulation, monolithic refractories also offer excellent resistance to chemical attack and mechanical wear, which are common challenges in the iron and steel industry. This resistance ensures the longevity of the refractory lining, allowing for consistent and reliable insulation over time. Overall, monolithic refractories provide thermal insulation in the iron and steel industry through their high-temperature resistance, low thermal conductivity, thick lining layer, and resistance to chemical attack and mechanical wear. These properties contribute to maintaining the desired temperature inside the equipment and protecting the surrounding structure from the intense heat generated during metal production processes.
- Q:How do monolithic refractories contribute to the efficiency of iron and steel production?
- Monolithic refractories play a crucial role in improving the efficiency of iron and steel production by providing superior thermal insulation and resistance to high temperatures, resulting in reduced heat loss and improved energy efficiency. Additionally, these refractories offer excellent mechanical strength and chemical resistance, enabling them to withstand the harsh conditions within the production process, leading to increased durability and extended service life. Their ability to be easily shaped and installed also facilitates faster maintenance and repair, minimizing downtime and enhancing overall operational efficiency in the iron and steel industry.
- 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:How are monolithic refractories inspected and tested for quality assurance?
- Monolithic refractories are inspected and tested for quality assurance through a series of rigorous processes to ensure their reliability and performance. These inspections and tests are crucial in maintaining consistent quality standards and identifying any potential defects or weaknesses in the refractory material. Firstly, visual inspections are conducted to check for any visible defects such as cracks, spalling, or signs of poor manufacturing. This step helps identify any obvious issues that may affect the refractory's performance. Next, physical properties such as density, porosity, and thermal conductivity are measured using specialized equipment. These measurements are compared against predetermined standards to ensure the refractory material meets the required specifications. Density and porosity are important indicators of the refractory's strength and resistance to heat and chemicals, while thermal conductivity determines its ability to transfer heat efficiently. In addition, mechanical tests are performed to assess the refractory's strength and resistance to mechanical stress. This involves subjecting the material to compressive, tensile, and flexural forces to evaluate its structural integrity and durability. To ensure the refractory's performance in high-temperature environments, thermal tests are conducted. These tests involve exposing the refractory to extreme temperatures and monitoring its behavior. Thermal expansion and shrinkage, resistance to thermal shock, and thermal cycling are some of the parameters evaluated during these tests. Chemical analysis is another important aspect of quality assurance for monolithic refractories. Samples of the refractory material are analyzed to determine their chemical composition and assess their resistance to various corrosive environments. This analysis helps ensure that the refractory is suitable for the specific applications it will be used in. Lastly, field tests may be conducted at actual operating sites to evaluate the refractory's performance under real-world conditions. These tests involve monitoring the refractory's behavior in terms of wear and tear, thermal insulation, and resistance to chemical attack. The results obtained from field tests are crucial in validating the refractory's performance and making any necessary adjustments to the manufacturing process. Overall, monolithic refractories undergo a comprehensive inspection and testing process, encompassing visual inspections, physical and mechanical tests, thermal analysis, chemical analysis, and field tests. This systematic approach ensures that the refractories meet the required quality standards, providing reliability and longevity in the demanding environments they are designed for.
- Q:What are the key trends in the use of monolithic refractories in the iron and steel industry?
- It is worth noting that there are several notable trends in the use of monolithic refractories in the iron and steel industry. First and foremost, there is an increasing demand for monolithic refractories due to their superior performance characteristics in comparison to traditional brick refractories. Monolithic refractories provide higher thermal shock resistance, superior insulation properties, and improved resistance to chemical attacks. As a result, they are being used more extensively in various applications within the iron and steel industry. Secondly, there is a shift towards the utilization of low-cement and ultra-low cement castables in monolithic refractories. These materials contain a reduced amount of cement, leading to enhanced refractory properties such as increased strength, better corrosion resistance, and improved resistance to thermal spalling. This trend is driven by the need to enhance the overall efficiency and longevity of refractory linings in iron and steel manufacturing processes. Another significant trend is the development of advanced monolithic refractories that prioritize sustainability and environmental performance. The iron and steel industry is facing mounting pressure to reduce its carbon footprint and minimize its impact on the environment. Consequently, there is a growing emphasis on the use of environmentally friendly binders and additives in monolithic refractories. These novel materials not only offer excellent refractory properties but also contribute to the industry's sustainability objectives. Moreover, there is an increasing focus on the development of monolithic refractories capable of withstanding extreme operating conditions. Iron and steel manufacturing processes involve high temperatures, aggressive chemical environments, and severe mechanical stresses. Consequently, there is a need for monolithic refractories that can withstand these harsh conditions without compromising their performance. The industry is investing in research and development to create refractories that exhibit exceptional resistance to thermal shock, abrasion, and erosion. Lastly, there is a growing adoption of digital and smart technologies for the monitoring and maintenance of monolithic refractories. Advances in sensor technology and data analytics have made it possible to collect real-time data on the condition and performance of refractory linings. This enables proactive maintenance, early detection of potential issues, and optimization of refractory usage, ultimately leading to improved operational efficiency and cost savings. In conclusion, the use of monolithic refractories in the iron and steel industry is witnessing key trends such as the demand for superior performance, the shift towards low-cement and ultra-low cement castables, the development of sustainable materials, the focus on extreme operating conditions, and the adoption of digital and smart technologies for monitoring and maintenance. These trends reflect the industry's continuous efforts to enhance the efficiency, durability, and environmental sustainability of refractory linings in iron and steel manufacturing processes.
- Q:How do monolithic refractories prevent slag penetration?
- Monolithic refractories prevent slag penetration by forming a dense and continuous protective layer on the surface of the refractory material. This layer acts as a barrier, preventing the molten slag from infiltrating and damaging the refractory.
- Q:How are monolithic refractories used in the repair and maintenance of ladle and tundish covers?
- Monolithic refractories are used in the repair and maintenance of ladle and tundish covers by providing a durable and heat-resistant lining. These refractories are applied as a single, seamless layer, eliminating the need for multiple bricks or tiles. They can be easily shaped and molded to fit the specific contour of the ladle or tundish cover, ensuring a tight and secure seal. Monolithic refractories also offer excellent thermal insulation properties, preventing heat loss and reducing energy consumption. Additionally, they have high resistance to thermal shock and chemical corrosion, extending the lifespan of the ladle and tundish covers and minimizing the need for frequent repairs.
- Q:What are the different types of monolithic refractories used in the iron and steel industry?
- There are several types of monolithic refractories used in the iron and steel industry, including castables, ramming mixes, gunning mixes, and plastic refractories. Castables are a mixture of refractory aggregates, binders, and additives that can be poured and shaped into various forms. Ramming mixes are granular refractories that can be packed and tamped into place using a ramming tool. Gunning mixes are similar to ramming mixes but are applied using a gunning machine. Plastic refractories are moldable materials that can be shaped and installed by hand. These different types of monolithic refractories offer flexibility and ease of installation in various applications within the iron and steel industry.
- Q:What are the key properties of gunning mixes used for monolithic refractory repairs?
- The key properties of gunning mixes used for monolithic refractory repairs include: 1. High durability: Gunning mixes should have excellent resistance to thermal shock, abrasion, and chemical attack. This ensures that the repaired refractory material can withstand the harsh conditions in industrial furnaces and kilns. 2. High strength: Gunning mixes should have a high compressive strength to provide structural integrity to the repaired refractory lining. This is especially important in areas that are subjected to high mechanical stress or load. 3. Easy application: Gunning mixes should have good gunning properties, allowing for easy and efficient application. They should have the ability to be sprayed or gunned onto the surface to be repaired, providing a smooth and even coating. 4. Quick setting and drying: Gunning mixes should have a fast setting and drying time to minimize downtime during repairs. This ensures that the repaired refractory lining can be quickly put back into service, reducing production losses. 5. Good adhesion: Gunning mixes should have excellent adhesion to the existing refractory material. This ensures a strong bond between the new repair material and the old lining, preventing any potential delamination or separation. 6. Thermal stability: Gunning mixes should have a high resistance to thermal cycling and temperature fluctuations. They should be able to maintain their structural integrity and mechanical properties even under extreme heat conditions. 7. Chemical compatibility: Gunning mixes should be chemically compatible with the materials they come into contact with, such as molten metals or corrosive gases. This ensures that the repaired refractory lining can withstand the corrosive effects of these substances. Overall, the key properties of gunning mixes for monolithic refractory repairs are focused on providing durability, strength, easy application, quick setting, good adhesion, thermal stability, and chemical compatibility. These properties ensure that the repaired refractory lining can effectively withstand the harsh operating conditions in industrial furnaces and kilns, prolonging their lifespan and reducing maintenance costs.
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Monolithic Refractories for Iron and Steel Industry:Low N Calcining Petroleum Coke with Good Quantity
- 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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