$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry System 1$
$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry System 2$
$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry System 3$

$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry$

$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry System 1$

$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry System 2$

$Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry System 3$

Monolithic Refractories Zirconia Slide Gate Nozzle for Iron and Steel Industry

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 100000 m.t./month

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Item B60,B50,C40type	Al-C Slide Gate	Al-Zr-C Slide Gate
AlC-70	AlC -75	AlC -80	AlC-85	AlC -86	AlZrC -70	AlZrC-75	AlZrC -77
Al2O3,%	70	75	80	85	86	70	75	77
C+SiC,%	7	7	5	5	4	7	7	7
ZrO2,%	-	-	-	-	-	6	6	2.5
A.P.,% max	10	10	10	10	7	10	10	10
B.D.,g/cm3	2.8	2.9	2.9	3.0	2.95	3.00	3.05	2.90
C.C.S., MPa min	65	70	100	100	100	110	115	100

Item B60,B50,C40type	Al-C Slide Gate
AlC-70A	AlC-75A	AlC-80A	AlC-85A	AlC-86A
Al2O3,%	70	75	80	85	86
C,%	7	7	5	5	4
A.P.,% max	10	10	8	10	7
B.D. g/cm3 min	2.8	2.9	3.0	3.0	2.95
C.C.S., MPa min	65	70	100	100	100

Item	ZN- 65	ZN- 70	ZN- 75	ZN- 80	ZN- 85	ZN- 90	ZN- 93A	ZN- 93B	ZN- 93C	ZN- 93D	ZN- 95A	ZN- 95B	ZN- 96
ZrO2(%)	≥65	≥70	≥75	≥80	≥85	≥90	≥93	≥93	≥93	≥93	≥95	≥95	≥96
Bulk density (g/cm3)	≥3.8	≥3.8	≥3.9	≥4.0	≥4.1	≥4.3	≥5.1	≥4.9	≥4.7	≥4.4	≥4.6	≥5.2	≥5.2
Apparent Porosity(%)	≤23	≤22	≤22	≤20	≤20	≤20	≤13	≤15	≤18	≤20	≤20	≤9	≤5.6
Thermal shock resistance (cycles)(1100℃,water cooling)	>5	>5	>5	>5	>5	>5	>5	>5	>5	>5	>5	>8	>10

FAQ

We have organized several common questions for our clients，may help you sincerely：

①How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

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: How do monolithic refractories resist high temperatures?: Monolithic refractories are designed to resist high temperatures due to their unique composition and structure. These refractories are made from a single piece or material, unlike traditional refractory bricks that are composed of multiple pieces. The main reason why monolithic refractories can resist high temperatures is their high melting point. These refractories are made from materials such as alumina, silica, and magnesia, which have high melting points ranging from 1650°C to 2000°C. This means that they can withstand extreme temperatures without undergoing significant deformation or melting. Furthermore, monolithic refractories possess excellent thermal stability. They have low thermal conductivity, which means they can effectively insulate against heat transfer. This property allows the refractories to maintain their structural integrity even when exposed to rapid temperature changes or thermal shocks. In addition, the monolithic nature of these refractories provides them with enhanced resistance to thermal stress. Unlike traditional refractory bricks, monolithic refractories do not have joints or seams that can be vulnerable to thermal expansion and contraction. This makes them more resistant to cracking or spalling when subjected to high temperatures. Moreover, monolithic refractories can form a protective layer or slag on their surface when exposed to high temperatures. This slag acts as a barrier and prevents direct contact between the refractory material and the hot gases or molten metals, reducing the risk of chemical reactions or corrosion. Overall, the combination of high melting point, thermal stability, resistance to thermal stress, and the ability to form protective slag makes monolithic refractories highly effective in resisting high temperatures. They are widely used in various industries, including steel, cement, glass, and petrochemical, where they are exposed to extreme heat conditions.

Q: How are monolithic refractories repaired or replaced in iron and steel facilities?: Monolithic refractories are commonly used in iron and steel facilities due to their superior thermal and mechanical properties. These refractories are designed to withstand high temperatures, thermal shocks, and chemical attacks. However, over time, they may experience wear and tear, leading to the need for repair or replacement. The repair or replacement process for monolithic refractories in iron and steel facilities generally involves the following steps: 1. Inspection: A thorough inspection of the refractory lining is conducted to identify areas that require repair or replacement. This inspection may involve visual examination, thermal imaging, or other non-destructive testing techniques to assess the extent of damage. 2. Removal of damaged material: The damaged monolithic refractory material is carefully removed using appropriate tools and equipment. This step ensures that the new refractory material will adhere properly to the substrate. 3. Surface preparation: The substrate or lining surface is prepared to enhance the bonding between the new refractory material and the existing structure. This may involve cleaning, grinding, or shot blasting to remove loose particles, contaminants, and any remaining damaged material. 4. Selection of repair material: Depending on the specific requirements and operating conditions, a suitable repair material is selected. This may involve choosing a similar monolithic refractory material or a specific repair product designed for the application. 5. Mixing and installation: The repair material is mixed according to the manufacturer's instructions, ensuring proper consistency and workability. It is then applied to the prepared surface using various techniques such as troweling, spraying, or casting. Care is taken to achieve the desired thickness and proper consolidation of the repair material. 6. Curing and drying: After installation, the repaired refractory material is allowed to cure and dry as per the manufacturer's recommendations. This step is critical to achieve the desired strength and thermal properties of the refractory lining. 7. Quality control: Once the repair or replacement is complete, quality control measures are taken to ensure the integrity and effectiveness of the repaired/refurbished refractory lining. This may involve conducting tests like thermal conductivity measurements, density checks, or visual inspections. It is important to note that the repair or replacement process for monolithic refractories may vary depending on the specific requirements and conditions of each iron and steel facility. Additionally, it is recommended to consult with refractory experts or manufacturers to ensure the correct selection of materials and proper execution of the repair or replacement procedure.

Q: How do monolithic refractories contribute to the reduction of heat loss in iron and steel plants?: The unique properties and application methods of monolithic refractories are crucial in the efforts to minimize heat loss in iron and steel plants. These refractories consist of single, continuous materials without joints or seams, providing exceptional thermal insulation and reducing heat transfer. A key factor in the reduction of heat loss is the low thermal conductivity of monolithic refractories. These materials possess a high resistance to heat flow, effectively preventing the loss of thermal energy from furnaces, ladles, and other equipment used in iron and steel production. By creating a barrier between the hot interior and cooler surroundings, monolithic refractories effectively minimize heat escape and maintain a stable and efficient thermal environment. Furthermore, monolithic refractories are known for their excellent adhesion and strength, allowing them to form a tight seal and eliminate gaps or cracks in equipment linings. This prevents the entry of cold air and the escape of hot gases, further reducing heat loss and ensuring optimal operating temperatures are maintained. Another advantage of monolithic refractories is their ease of application and repair, leading to a more efficient and cost-effective maintenance process. Regular inspections and repairs can address any wear or damage to the refractory lining, ensuring optimal performance and minimal heat loss over time. In conclusion, monolithic refractories significantly contribute to the reduction of heat loss in iron and steel plants through their low thermal conductivity, excellent adhesion, and high strength. By effectively insulating equipment and preventing heat escape, these refractories promote energy efficiency and productivity in the iron and steel industry.

Q: How are monolithic refractories used in the iron and steel industry?: Monolithic refractories are extensively used in the iron and steel industry for various applications due to their superior performance and versatility. These refractories are composed of a single, uniform material and are designed to be used as a seamless lining in high-temperature environments. In the iron and steel industry, monolithic refractories play a crucial role in different stages of the manufacturing process. One of the primary applications is in the blast furnace, where monolithic refractories are used to line the inside of the furnace. This lining is subjected to extremely high temperatures and harsh chemical reactions. Monolithic refractories provide excellent thermal insulation and resistance to chemical attack, ensuring the structural integrity and longevity of the blast furnace. Another important application is in the steelmaking process. Monolithic refractories are used to line the ladles and tundish, which are used to transport and pour molten steel. These refractories are specially designed to withstand the high temperatures and corrosive nature of the molten steel, preventing contamination and ensuring the quality of the final product. Moreover, monolithic refractories are also used in various ancillary equipment and structures in the iron and steel industry. They are employed in furnaces, kilns, and other heat treatment systems to provide insulation and maintain high-temperature conditions. Additionally, monolithic refractories are used in the construction of chimneys, exhaust ducts, and other exhaust systems, where they provide thermal insulation and resistance to corrosive gases. Overall, monolithic refractories play a vital role in the iron and steel industry by providing high-temperature insulation, chemical resistance, and durability. They help optimize the production process, improve energy efficiency, and ensure the quality of the final product. With their versatility and excellent performance, monolithic refractories have become an indispensable component in the iron and steel manufacturing industry.

Q: Can monolithic refractories be used for the lining of continuous casting tundishes and molds?: Indeed, tundishes and molds used in continuous casting can utilize monolithic refractories for their lining. These refractories consist of a single, uniform structure, in contrast to traditional refractories that are composed of multiple bricks or tiles. The utilization of monolithic refractories offers various advantages in the lining of tundishes and molds during continuous casting procedures. Firstly, their monolithic nature allows for convenient installation and repair, as they can be cast or gunned into place, eliminating the need for intricate brickwork. Consequently, this reduces downtime and enhances productivity. Furthermore, monolithic refractories demonstrate exceptional resistance to thermal shock, which is critical for tundishes and molds that undergo rapid and extreme temperature fluctuations throughout the casting process. Their high thermal conductivity additionally ensures efficient heat transfer, facilitating uniform cooling and solidification of the cast metal. Additionally, monolithic refractories exhibit commendable resistance to chemical attack, ensuring prolonged performance even in the presence of molten metal and slag. Their low porosity further prevents metal penetration and the formation of cracks or spalling. In summary, monolithic refractories are a practical and efficient choice for lining continuous casting tundishes and molds, offering superior performance, ease of installation, and durability in the demanding conditions of the casting process.

Q: How do monolithic refractories enhance the performance of ladle and tundish covers?: Monolithic refractories enhance the performance of ladle and tundish covers by providing high thermal conductivity, excellent resistance to thermal shock, and superior mechanical strength. These properties ensure efficient heat insulation, minimize heat loss, and prevent cracking or damage due to rapid temperature changes. Additionally, monolithic refractories offer good corrosion resistance, prolonging the lifespan of the ladle and tundish covers and improving their overall performance.

Q: What are the advantages of using monolithic refractories in electric arc furnaces?: There are several advantages to using monolithic refractories in electric arc furnaces. Firstly, monolithic refractories offer excellent thermal shock resistance. Electric arc furnaces operate at extremely high temperatures, and the refractory lining is constantly exposed to rapid temperature changes. Monolithic refractories are able to withstand this thermal cycling without cracking or deteriorating, ensuring the longevity and efficiency of the furnace. Secondly, monolithic refractories have superior corrosion resistance. Electric arc furnaces often use aggressive slag compositions, which can corrode and erode traditional brick linings. Monolithic refractories, on the other hand, are specifically designed to resist chemical attack, providing long-lasting protection against the corrosive effects of molten metal and slag. Additionally, monolithic refractories offer great flexibility in terms of installation. Unlike brick linings, which require extensive labor and time to construct, monolithic refractories can be easily applied as a liquid or paste, allowing for faster and more efficient installation. This not only reduces downtime during furnace maintenance or repairs but also provides the opportunity for customized linings to be easily created to suit specific furnace designs. Moreover, monolithic refractories have excellent thermal conductivity. This property allows for efficient heat transfer within the electric arc furnace, ensuring optimal energy use and minimizing heat losses. This improved thermal efficiency results in 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 electric arc furnaces, which operate at temperatures exceeding 3000°C. The ability of monolithic refractories to maintain their structural integrity at such extreme temperatures ensures the safe and efficient operation of the furnace. In conclusion, the advantages of using 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: Can monolithic refractories be customized for specific iron and steel processing requirements?: Yes, monolithic refractories can be customized for specific iron and steel processing requirements. Monolithic refractories are versatile and can be tailored to meet the specific needs of different processing techniques such as iron and steel production. They can be formulated with different materials, densities, and compositions to withstand high temperatures, resist corrosion, and provide optimal thermal insulation. This customization ensures that the refractories effectively protect the equipment and enhance the efficiency and productivity of iron and steel processing operations.

Q: What are the recommended storage and handling practices for monolithic refractories?: The recommended storage and handling practices for monolithic refractories include storing them in a dry and covered area to prevent moisture absorption, avoiding direct contact with the ground to prevent contamination, and ensuring proper ventilation to prevent condensation. It is important to handle them with care, avoiding dropping or hitting them, and using appropriate lifting equipment when necessary. Additionally, following the manufacturer's guidelines for installation, curing, and drying processes is crucial to ensure optimal performance and longevity of the monolithic refractories.

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