Monolithic Refractories Ladle Sliding Gate for Iron and Steel Industry 2024
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
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Quick Details for High Performance Refractory Ladle Slide Gate
| Place of Origin: | China (Mainland) | Shape: | Plate | Material: | Alumina Block |
| SiO2 Content (%): | N/A | Al2O3 Content (%): | 80-90% | MgO Content (%): | N/A |
| CaO Content (%): | N/A | Refractoriness (Degree): | 1770°< Refractoriness< 2000° | CrO Content (%): | N/A |
| SiC Content (%): | N/A | Model Number: | CS80 | Brand Name: | |
| Product name: | High performance refractory ladle slide gate | Model No.: | cs80 | Brand name: | CMAX |
| Quality: | Al-C or Al-Zr-C | Service life: | 4-6 heats | Apparent porosity: | 7% Max |
| Bulk density:: | 3.1 MIN | C.C.S: | 120MPA | MOQ: | 100 pcs for trial |
| Delivery time: | 60 working days upon receipt of deposit |
Packaging & Delivery
| Packaging Details: | Inner carton packing, outer wooden case suitable for long term sea shipping |
| Delivery Detail: | three months working days upon receipt of deposit |
Specifications
Surface flatness less than 0.05mm
High mechanical strength
Erosion resistance
Oxidation resistance
Thermal shock stability
General Chemical Analysis for refractory ladle slide gate :
slide gate plate widely including Alumina carbon and Alumina Zirconia Carbon slide gate plate, MgO and MgO-spinel slide gate plate,nonoxides bonding slide gate plateand unburned slide gate plate.
Alumina -Zirconia-Carbon material
| Al-Zr-C Material | |||||
| Al2O3 | C | ZrO2 | Apparent porosity | Bulk density | C.C.S |
| (% minm) | (% minm) | (% minm) | (% max) | (gm./cc minm) | (MPa minm) |
| 85 | 3 | 5 | 7 | 3.1 | 120 |
| 85 | 3 | 4 | 7 | 3.1 | 120 |
Composite type: Al-Zr-C for working line, outer Al-C material
| Al-Zr-C & Al-C Material | ||||||
| Al2O3 | C | ZrO2 | Apparent porosity | Bulk density | C.C.S | |
| (% minm) | (% minm) | (% minm) | (% max) | (gm./cc minm) | (MPa minm) | |
| Inner side (Working face) | 85 | 3 | 4 | 7 | 3.1 | 120 |
| Outside | 90 | 3 | 0 | 9 | 3 | |
Using the raw materials of tabular alumina, zirconia-corundum, carbon and other high-grade additives, after sintering to obtain characteristics of oxidation resistance, scour strength, erosion resistance, thermal shock resistance, shape stable and long service life, made our products the preferred materials for the large and medium-sized steel ladle, refining ladle, series of alloy steel ladle, and tundish. Our high performance sintering sliding gates include alumina carbon , Al2O3-ZrO2-C, etc, can meet the needs of different steel grade.
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- Q:What are the quality control measures for monolithic refractories in the iron and steel industry?
- The quality control measures for monolithic refractories in the iron and steel industry include strict material selection, thorough testing of raw materials, regular inspection and maintenance of refractory linings, and continuous monitoring of performance during operation. Additionally, adherence to industry standards and specifications, implementation of quality management systems, and collaboration with suppliers and customers to address any quality issues are also important measures in ensuring the quality of monolithic refractories in the iron and steel industry.
- 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:How are monolithic refractories manufactured?
- Manufacturing monolithic refractories is a specific process that consists of multiple steps. The initial step involves selecting and preparing raw materials, typically comprising aggregates, binders, and additives. Aggregates are chosen based on their chemical and physical properties, while binders are utilized to hold the aggregates together. Additives are incorporated to enhance specific properties of the refractory material. Once the raw materials are chosen, they are thoroughly mixed in precise proportions to create a uniform mixture. This mixture is then blended using different techniques such as dry or wet mixing, depending on the desired characteristics of the final product. Following the blending process, the subsequent step involves shaping the refractory material. This can be accomplished through various methods such as casting, gunning, ramming, or spraying. The selection of the method is based on the specific application and requirements of the refractory. After shaping, the refractory material undergoes a curing process. This entails drying the material at a controlled temperature to eliminate any excess moisture and promote the development of desired properties. Lastly, the cured refractory material is subjected to high temperatures in a kiln. This firing process further strengthens the refractory and enhances its ability to withstand heat and other harsh conditions. In summary, the manufacturing of monolithic refractories entails meticulous selection and preparation of raw materials, precise blending, shaping, curing, and firing procedures. This guarantees the production of superior-quality refractory materials capable of withstanding the extreme conditions encountered in various industrial applications.
- Q:What are the challenges in recycling monolithic refractories?
- One of the main challenges in recycling monolithic refractories is their composition. Monolithic refractories are typically made from a combination of different minerals, binders, and additives, which can make the separation and recovery of individual components difficult. Additionally, the high temperatures at which monolithic refractories are used can cause chemical reactions and physical changes that affect their recyclability. Furthermore, the presence of contaminants, such as metal oxides or impurities from the manufacturing process, can also pose challenges in the recycling process. Overall, developing efficient and cost-effective recycling methods for monolithic refractories requires addressing these challenges and finding innovative solutions.
- Q:What are the different techniques for installing monolithic refractories?
- Some of the different techniques for installing monolithic refractories include gunning, casting, ramming, and troweling. Gunning involves spraying a mixture of refractory material and water onto the surface using a high-pressure gun. Casting involves pouring the refractory material into a mold and allowing it to harden. Ramming involves manually packing the refractory material into place using a ramming tool. Troweling involves applying the refractory material with a trowel, similar to applying mortar.
- Q:What are the main factors affecting the erosion resistance of monolithic refractories?
- The erosion resistance of monolithic refractories is influenced by several key factors. These factors include the chemical composition of the refractory material, the microstructure of the material, the temperature and environment in which it is used, and the mechanical properties of the material. The chemical composition of the monolithic refractory plays a crucial role in its erosion resistance. Certain chemical elements and compounds can enhance the resistance of the refractory to erosion, while others may make it more susceptible. For example, the addition of alumina (Al2O3) in the refractory composition can improve its resistance to erosion, as it forms a protective layer on the surface. On the other hand, the presence of impurities or excess amounts of certain elements can weaken the refractory and increase its susceptibility to erosion. The microstructure of the monolithic refractory is another important factor affecting erosion resistance. The refractory's microstructure refers to the arrangement and distribution of its constituent particles. A well-structured microstructure with a uniform distribution of particles can provide better erosion resistance as it ensures a more even distribution of load during exposure to erosive forces. Conversely, a poorly structured microstructure with clusters or weak bonding between particles may lead to localized erosion and failure. The temperature and environment in which the refractory is used also significantly influence erosion resistance. High temperatures can cause thermal stresses, chemical reactions, and phase changes in the refractory material, all of which can affect its erosion resistance. Additionally, the presence of corrosive gases, liquids, or slags can accelerate erosion by promoting chemical reactions or attacking the refractory material, leading to its degradation. Lastly, the mechanical properties of the monolithic refractory, such as its strength, hardness, and toughness, contribute to erosion resistance. A refractory with higher mechanical strength and hardness can withstand erosive forces better than a weaker material. Similarly, a higher toughness helps the refractory resist cracking or spalling when subjected to impact or thermal shock, reducing its vulnerability to erosion. In summary, the erosion resistance of monolithic refractories is influenced by the chemical composition, microstructure, temperature and environment, and mechanical properties of the material. Understanding and optimizing these factors can help in developing refractories with improved erosion resistance for various industrial applications.
- Q:How do monolithic refractories improve the quality and consistency of iron and steel products?
- The use of monolithic refractories is essential for enhancing the quality and consistency of iron and steel products. These refractories, which are not shaped and can be easily molded and installed, offer several advantages over traditional brick refractories. To begin with, monolithic refractories provide superior thermal insulation properties, which effectively manage heat during the production process. By maintaining consistent and controlled temperatures, these refractories prevent thermal shocks and minimize thermal gradients, resulting in reduced cracking and distortion in the final products. As a result, the dimensional stability and overall quality of the products are improved. Additionally, monolithic refractories exhibit excellent resistance to thermal spalling and erosion. They can withstand high temperatures, chemical attacks, and mechanical stress, protecting the lining of furnaces and vessels used in iron and steel production. This resistance enhances the durability and reliability of refractory linings, preventing premature failure and extending the lifespan of the equipment. Another advantage of monolithic refractories is their ability to create a seamless lining. Unlike brick refractories, which have joints and gaps that can cause heat loss and uneven distribution, monolithic refractories form a continuous lining with no weak points. This ensures uniform heat distribution and minimizes the risk of hotspots or cold spots, resulting in consistent and reliable iron and steel products. Moreover, monolithic refractories offer flexibility in design and installation. They can be customized to fit various shapes and sizes, allowing for better furnace design optimization. This flexibility enables efficient use of space, improved heat transfer, and reduced energy consumption, all of which contribute to the overall quality and consistency of the final iron and steel products. In conclusion, monolithic refractories enhance the quality and consistency of iron and steel products by providing superior thermal insulation, resistance to thermal spalling and erosion, seamless linings, and flexibility in design and installation. These refractories improve the efficiency and reliability of the production process, resulting in higher-quality final products that meet the industry's stringent standards.
- Q:How do monolithic refractories resist erosion from molten metals and slags?
- Monolithic refractories resist erosion from molten metals and slags through several mechanisms. Firstly, they have a high melting point, which allows them to withstand the high temperatures of molten metals and slags without any significant degradation. Secondly, they have a dense and compact structure, which reduces the penetration of molten metals and slags into their surface. Additionally, monolithic refractories often contain additives such as antioxidants or slag resistance agents, which further enhance their resistance to erosion.
- Q:What are the different types of monolithic refractories used in the iron and steel industry?
- The iron and steel industry relies on various types of monolithic refractories for their exceptional thermal resistance, strength, and durability. These refractories are crucial in withstanding extreme temperatures and harsh conditions in a range of applications. Firstly, there are castables, which are precast refractory materials that form a slurry when mixed with water. This slurry is then poured or cast into molds. Castables are widely used in the iron and steel industry to line ladles, tundishes, and furnaces due to their high strength and resistance to thermal shock. Another type is ramming mass, which is used to line induction furnaces and melting units. It is composed of refractory aggregates, binders, and additives. Ramming mass is applied by ramming or tamping it into place, creating a dense lining capable of withstanding high temperatures and chemical attacks. Gunning mix is a refractory material applied using a pneumatic gunning machine. It is particularly useful for repairing or lining various areas of furnaces, especially during hot repairs. Gunning mix consists of refractory aggregates, binders, and additives that are sprayed onto the lining surface and then compacted. Plastic refractories, on the other hand, are mixtures of refractory aggregates and binders with high plasticity. They can be easily molded or shaped, making them ideal for repairing or patching refractory linings in the iron and steel industry. Plastic refractories are typically applied by hand or with a trowel and are suitable for both hot and cold applications. Lastly, refractory mortars are used for jointing or repairing refractory bricks or other monolithic refractories. They are composed of refractory powders, binders, and water. Mortars provide excellent adhesion between bricks or monolithic materials, ensuring a strong and durable lining in furnaces, ladles, and other high-temperature equipment. These various types of monolithic refractories are indispensable in the iron and steel industry. They provide reliable and long-lasting linings, ensuring efficient operations and minimizing downtime.
- Q:What are the main factors affecting the corrosion resistance of monolithic refractories?
- The corrosion resistance of monolithic refractories is influenced by several key factors. Firstly, the chemical composition of the refractory material plays a significant role. Refractories with a high content of silica (SiO2) are generally more resistant to corrosion as silica has excellent resistance to acidic environments. On the other hand, refractories with a high alumina (Al2O3) content are more resistant to basic environments. Secondly, the microstructure of the refractory material is important. A dense and well-bonded microstructure provides better resistance to corrosion compared to materials with a porous structure. The presence of pores or cracks can allow corrosive substances to penetrate and attack the refractory, leading to its degradation. The temperature at which the refractory is exposed also affects its corrosion resistance. Higher temperatures can accelerate the corrosion process by promoting more aggressive chemical reactions. Moreover, thermal cycling, where the refractory is subjected to repeated heating and cooling, can create thermal stresses that can contribute to the degradation of the material. The type and concentration of corrosive agents present in the environment also impact the corrosion resistance of monolithic refractories. Different corrosive agents have varying degrees of reactivity with refractory materials. For example, acidic substances such as sulfuric acid or hydrochloric acid can cause significant corrosion, while alkaline substances like calcium oxide can lead to more gradual degradation. In addition, the mechanical stress applied to the refractory can influence its corrosion resistance. Mechanical vibrations, abrasion, or impact can weaken the refractory structure, making it more susceptible to corrosion. Finally, the manufacturing and installation process can affect the corrosion resistance of monolithic refractories. Factors such as proper mixing, curing, and drying techniques can contribute to the development of a more resistant refractory structure. In summary, the main factors affecting the corrosion resistance of monolithic refractories include the chemical composition, microstructure, temperature, presence of corrosive agents, mechanical stress, and manufacturing/installation processes. Understanding and managing these factors are crucial in selecting and maintaining the most suitable refractory material for a given application.
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Monolithic Refractories Ladle Sliding Gate for Iron and Steel Industry 2024
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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