Monolithic Refractories Ceramic Lined Ceramic Ball Valve for Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 3000 pc/month
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Application:
Applied in any media, expect HF (Hydrofluoric Acid) or glass solution, with max. temperature up to 500°C or max pressure 5.0 Mpa, such as high corrosion, high attrition and middle pressure.
Structural: 3-part flange type float ball valve Flange standards follow DIN/ANSI/API/JIS
l Excellent wear-proof property of ceramic enables this valve have high reliability and prolonged lifespan which is 2-4times as much as Titannium Alloy and Monel Metal valve.
l Elastic O ring fit between metal part and ceramic part makes the whole part high sealing capacity, unables the two parts blind, and avoid the ball broken.
l Valve steams are selected among 316/316L stainless steel, HC alloy, Monel Alloy, structural ceramic.
l Completely symmetric design ensures dual leak-proof and two-direction usage to prolong its lifespan to twice.
All parts that connect the medium are made of structural ceramics with extremely high chemical stability and hardness (HRC 90), which is only inferior to diamond. So the valve features exceedingly high wear-proof capability, corrosion resisting, enduring capability, good heat insulation, small thermal expansion.
The valve is unique in granule medium of high hardness, or erosive soft granule and is the only choice for such medium. They are wisely used in FDG System, Slag system and LNCFS in power plant, saline water and distilling processes in alkali works, paper pulp system in paper mill, and so on.
The ball is processed by advanced polishing equipment and technology that can ensure high circularity, good surface quality,.
The self-lubricating capability of ZrO2, ensure the good sealing performance between the ball and its seat. It is thoroughly free from the defects of easy leakage, big torque, non-resistance sealing surface comparing with metal sealing valve.
ZrO2 Composition Chart of MZ Ceramic Ball Valve
NO. | Physical Property | Parameter |
1 | Crystal | >85% cubic, the rest monoclinic |
2 | Lg. Loss | 0.8%-1.0% |
3 | Average | 0.4-0.7um |
4 | Apparent Density | >0.4g/cc |
5 | ZrO2 Purity | >99.95% |
6 | Tapped Density | >0.8g/cc |
- Q: How do monolithic refractories perform in aluminum holding furnace applications?
- Monolithic refractories perform exceptionally well in aluminum holding furnace applications due to their high thermal conductivity, excellent resistance to thermal shock, and superior mechanical strength. They can withstand the extreme temperatures and harsh chemical environments found in these furnaces, ensuring long-lasting and efficient operations. Additionally, monolithic refractories offer easy installation and maintenance, making them a preferred choice in aluminum holding furnace applications.
- Q: How do monolithic refractories contribute to the overall efficiency of ladles and tundishes?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of ladles and tundishes in several ways. Firstly, monolithic refractories are known for their excellent thermal insulation properties. By lining the ladles and tundishes with monolithic refractories, heat losses are minimized, resulting in reduced energy consumption and improved thermal efficiency. This insulation capability also helps in maintaining a consistent temperature within the ladles and tundishes, which is essential for the proper casting and solidification of molten metal. Moreover, monolithic refractories offer superior resistance to thermal shocks and chemical corrosion. Ladles and tundishes are subjected to extreme temperatures and harsh chemical environments due to the contact with molten metal and various fluxes or additives. The use of monolithic refractories ensures a longer service life for ladles and tundishes by preventing cracking, spalling, or erosion caused by these harsh conditions. This, in turn, reduces downtime for maintenance and replacement, leading to increased overall efficiency. Additionally, the flexibility and ease of installation of monolithic refractories contribute to the efficiency of ladles and tundishes. Unlike traditional brick lining, monolithic refractories can be easily formed and installed in various shapes and sizes, allowing for better customization and optimization of ladles and tundishes. This adaptability helps in improving the flow dynamics of molten metal, reducing turbulence, and enhancing the overall casting process efficiency. In summary, monolithic refractories enhance the overall efficiency of ladles and tundishes through their exceptional thermal insulation properties, resistance to thermal shocks and chemical corrosion, and flexibility in installation. By minimizing heat losses, extending service life, and optimizing the casting process, monolithic refractories contribute significantly to the overall efficiency and productivity of ladles and tundishes in the metal industry.
- Q: How do monolithic refractories contribute to the reduction of heat loss in iron and steel plants?
- Monolithic refractories play a crucial role in reducing heat loss in iron and steel plants through their high thermal insulation properties. These refractories are designed to withstand extreme temperatures and provide excellent resistance to thermal shock and erosion. By lining the walls, roofs, and floors of various equipment and structures in the plants, monolithic refractories help to create a barrier that prevents heat from escaping into the surrounding environment. This insulation not only conserves energy but also ensures efficient heat transfer within the plant, leading to improved productivity and cost-effectiveness.
- Q: What are the considerations for repairing and patching monolithic refractories?
- Considerations for repairing and patching monolithic refractories include assessing the extent of the damage, identifying the cause of the damage, selecting the appropriate repair material, ensuring proper bonding and curing, and following manufacturer's instructions and recommended procedures. Additionally, factors such as temperature, chemical exposure, and mechanical stress should be taken into account to ensure the repaired refractory maintains its performance and longevity.
- Q: How do monolithic refractories enhance the performance of ladle and tundish preheating systems?
- Monolithic refractories enhance the performance of ladle and tundish preheating systems by providing excellent thermal insulation, high mechanical strength, and resistance to corrosion and erosion. This allows for efficient heat retention and distribution, ensuring uniform and consistent preheating of ladles and tundishes. Additionally, monolithic refractories minimize heat losses, reduce energy consumption, and increase the lifespan of the preheating systems, contributing to improved overall performance.
- Q: What are the common failure mechanisms of monolithic refractories?
- Some common failure mechanisms of monolithic refractories include thermal shock, spalling, erosion, chemical attack, and mechanical stress. These factors can weaken the refractory material, causing it to crack, break, or deteriorate over time.
- Q: How do monolithic refractories withstand the mechanical impacts in furnace door applications?
- Monolithic refractories have been specially designed to endure the mechanical impacts experienced in furnace door applications as a result of their unique properties and composition. These refractories are manufactured from a solitary piece of material, which eliminates the necessity for joints or seams that are susceptible to cracking or failure under mechanical stress. An essential characteristic of monolithic refractories is their elevated density, which grants them exceptional strength and resistance against mechanical impacts. Their compact structure makes them less prone to cracking or fracturing when exposed to sudden or repeated impacts, such as the opening or closing of a furnace door. Along with their density, monolithic refractories also possess substantial tensile strength and toughness. These qualities enable them to absorb and disperse the energy from mechanical impacts, reducing the likelihood of damage or failure. This is particularly crucial in furnace door applications, where the refractories are constantly subjected to the stress of door movement. Moreover, monolithic refractories frequently incorporate additives or bonding agents that enhance their mechanical properties. These additives may consist of fibers or aggregates that fortify the structure and improve impact resistance. They can also enhance the refractory's ability to endure thermal cycling, which is common in furnace door applications. Overall, monolithic refractories are meticulously engineered to withstand the mechanical impacts encountered in furnace door applications. Their dense composition with high strength, combined with the utilization of additives and bonding agents, guarantees their durability and longevity in these demanding environments.
- Q: What are the advantages of using low-moisture castables in the iron and steel industry?
- Low-moisture castables offer several advantages in the iron and steel industry. Firstly, they have a lower water content, which allows for faster and easier installation. This results in reduced downtime and increased productivity. Secondly, low-moisture castables have excellent strength and thermal shock resistance, making them highly durable in high-temperature applications. This helps to prolong the lifespan of refractory linings, saving on maintenance and replacement costs. Additionally, their low moisture content minimizes the risk of steam explosions during installation or curing. Lastly, these castables offer improved energy efficiency by reducing heat loss, resulting in lower fuel consumption and greenhouse gas emissions. Overall, the use of low-moisture castables in the iron and steel industry enhances operational efficiency, durability, and environmental sustainability.
- Q: How do monolithic refractories prevent heat loss through radiation?
- Monolithic refractories prevent heat loss through radiation by forming a continuous and seamless layer that acts as a barrier to thermal radiation. This layer reflects and absorbs the radiant heat, preventing it from escaping and thus minimizing heat loss. Additionally, the high thermal conductivity of monolithic refractories allows them to efficiently conduct and distribute heat, further reducing the potential for radiation heat loss.
- Q: How are monolithic refractories installed in iron and steel production processes?
- Monolithic refractories are installed in iron and steel production processes by first preparing the surface, then applying the refractory material in a plastic or semi-plastic state. This can be done through various methods such as gunning, casting, ramming, or spraying. After the installation, the refractory material is allowed to cure and harden, forming a durable lining that can withstand high temperatures and harsh conditions in the production processes.
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Monolithic Refractories Ceramic Lined Ceramic Ball Valve for Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 3000 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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