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
You Might Also Like
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?
- The use of monolithic refractories in aluminum holding furnace applications has been proven to be highly efficient and effective. These refractories are designed specifically to withstand the extreme temperatures and chemical environments found in these furnaces. One major advantage of monolithic refractories is their ability to create a continuous and seamless lining in the furnace. This eliminates the need for individual bricks or tiles, reducing the risk of thermal shock and cracking. The absence of joints also minimizes the likelihood of molten aluminum leaking through the lining, ensuring better containment and heat retention. Monolithic refractories also provide excellent thermal insulation properties, which are essential in aluminum holding furnaces. They have low thermal conductivity, helping to reduce heat loss and maintain a stable temperature within the furnace. This leads to improved energy efficiency and lower operating costs. Furthermore, monolithic refractories have exceptional resistance to corrosion and chemical attack from molten aluminum and its by-products, such as dross and fluxes. This resistance ensures a longer lifespan for the refractory lining, reducing the need for maintenance and downtime. In addition, monolithic refractories are known for their easy installation and repair. They can be installed quickly and easily, requiring minimal downtime for furnace maintenance. If any localized damage or wear occurs, repairs can be efficiently made by patching or spraying the affected area. In conclusion, monolithic refractories are an excellent choice for aluminum holding furnace applications due to their seamless lining, thermal insulation properties, resistance to corrosion, and easy installation and repair. These refractories significantly enhance the overall performance and efficiency of aluminum holding furnaces.
- 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 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: How do monolithic refractories withstand the alkali attacks in cement kiln applications?
- Monolithic refractories are able to withstand alkali attacks in cement kiln applications due to their unique composition and structure. These refractories are made from a single material, which allows for a more uniform and dense structure compared to traditional brick refractories. When exposed to alkali attacks in cement kilns, monolithic refractories form a protective layer on the surface which acts as a barrier against the corrosive alkali substances. This protective layer is typically formed by reactions between the alkali substances and the refractory material, resulting in the formation of a stable compound that is resistant to further attacks. Furthermore, monolithic refractories have high chemical resistance, which enables them to withstand the aggressive conditions inside cement kilns. They are designed to have low porosity, which prevents the penetration of alkali substances into the refractory material. This reduces the chances of alkali attacks and prolongs the service life of the refractory lining. In addition, monolithic refractories are often made from materials with high melting points, such as alumina, silica, and magnesia. These materials have excellent thermal stability, allowing the refractories to withstand the high temperatures in cement kilns without significant degradation. This thermal stability is crucial in preventing the formation of cracks and spalling, which can lead to alkali penetration and subsequent damage to the refractory lining. Overall, monolithic refractories are specifically engineered to resist alkali attacks in cement kiln applications by forming a protective layer, having high chemical resistance, and exhibiting excellent thermal stability. These properties make them an ideal choice for lining cement kilns and ensuring their long-term performance and durability.
- 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: What are the main factors affecting the corrosion resistance of monolithic refractories?
- The main factors affecting the corrosion resistance of monolithic refractories include the chemical composition of the refractory material, the temperature and atmosphere in which it operates, the physical properties of the refractory such as porosity and permeability, and the presence of impurities or aggressive agents. Additionally, the design and installation of the refractory lining, as well as the operational practices and maintenance of the system, can also impact its corrosion resistance.
- Q: How do monolithic refractories contribute to the safety of iron and steel operations?
- Monolithic refractories play a crucial role in ensuring the safety of iron and steel operations. They provide excellent thermal insulation and resistance to high temperatures, preventing heat transfer to the environment and minimizing the risk of accidents or fires. Additionally, these refractories possess high mechanical strength and chemical resistance, protecting the structural integrity of furnaces and other equipment under extreme conditions. By effectively containing heat and maintaining the stability of the production process, monolithic refractories enhance the overall safety and reliability of iron and steel operations.
- Q: Can monolithic refractories be used for the lining of blast furnace runners and troughs?
- Yes, monolithic refractories can be used for the lining of blast furnace runners and troughs. Monolithic refractories are a type of refractory material that is composed of a single, homogeneous structure, as opposed to traditional refractory bricks that are made by assembling individual units. Monolithic refractories offer several advantages for lining blast furnace runners and troughs. Firstly, they have excellent thermal shock resistance, which is crucial in this application as the lining is subjected to extreme temperature fluctuations. Monolithic refractories also have good resistance to chemical attack from the molten metal and slag, which helps to prolong the lining's lifespan in the harsh working environment of blast furnaces. Furthermore, monolithic refractories can be easily installed in complex shapes and structures, allowing for greater flexibility in designing the lining of blast furnace runners and troughs. This ease of installation also leads to reduced downtime during maintenance and repair, as monolithic refractories can be quickly and efficiently applied. In summary, monolithic refractories are a suitable choice for lining blast furnace runners and troughs due to their thermal shock resistance, chemical resistance, and ease of installation. Their use can help to improve the longevity and performance of these critical components in blast furnace operations.
- Q: What are the typical applications of monolithic refractories in blast furnaces?
- Due to their unique properties and applications, monolithic refractories find extensive use in blast furnaces. These refractories consist of a single, uniform material that can be shaped and installed in various forms without the need for joints or seams. This particular characteristic makes them highly suitable for lining and safeguarding the different zones of a blast furnace. One common use of monolithic refractories in blast furnaces is for lining the hearth, which is the lowermost part of the furnace where molten iron and slag collect. Monolithic refractories are employed to create a sturdy and heat-resistant lining capable of withstanding the extreme temperatures and chemical reactions that occur in this region. Another frequent application is the lining of the bosh, the transitional zone between the hearth and the blast furnace's stack. The bosh is subjected to elevated temperatures and mechanical stresses resulting from the movement of burden materials. To ensure its longevity and efficiency, monolithic refractories with high thermal shock resistance and abrasion resistance are utilized. Monolithic refractories are also utilized for lining the stack and the tuyere area. The stack refers to the vertical portion of the furnace where iron ore reduction takes place, while the tuyere area is where hot air blast is injected into the furnace. Both these areas necessitate refractories capable of withstanding high temperatures, chemical reactions, and mechanical stresses. Moreover, monolithic refractories find application in the repair and maintenance of blast furnaces. Due to the harsh conditions inside the furnace, the lining may deteriorate over time. Monolithic refractories can be easily applied as patching materials to restore the lining's integrity and extend the furnace's lifespan. In summary, monolithic refractories play a crucial role in blast furnaces by lining the hearth, bosh, stack, and tuyere area, as well as facilitating repairs and maintenance. These refractories offer exceptional thermal shock resistance, abrasion resistance, and durability, making them indispensable for the efficient operation of blast furnaces in the iron and steel industry.
- Q: What are the benefits of using monolithic refractories in the iron and steel industry?
- Using monolithic refractories in the iron and steel industry has several advantages. Firstly, they have excellent thermal shock resistance, meaning they can withstand extreme temperature changes without cracking or spalling. This is crucial in an industry where materials are exposed to high temperatures during processes such as melting, casting, and heat treatment. Secondly, monolithic refractories have superior corrosion resistance, making them highly durable against the corrosive effects of molten metals and slag. This is particularly important in the iron and steel industry, where materials come into contact with aggressive molten iron, steel, and various chemical compounds. Furthermore, monolithic refractories provide excellent mechanical strength and abrasion resistance. They can withstand mechanical stress, vibrations, and impacts commonly encountered in the iron and steel industry. This ensures a longer lifespan for the refractories, reduces downtime for repairs or replacements, and improves overall operational efficiency. Additionally, monolithic refractories offer ease of installation and repair. Unlike traditional refractory bricks that require complex and time-consuming masonry work, monolithic refractories can be quickly and easily installed using simple methods such as casting, gunning, or spraying. This saves time and labor costs during initial installation and subsequent maintenance or repairs. Moreover, monolithic refractories provide flexibility in design and application. They can be customized to specific shapes and sizes, allowing for tailored linings in different parts of the iron and steel manufacturing process. This versatility enhances the overall efficiency and effectiveness of refractory linings, optimizing production output and ensuring consistent quality of the finished iron and steel products. In conclusion, there are numerous benefits to using monolithic refractories in the iron and steel industry. They offer exceptional thermal shock resistance, corrosion resistance, mechanical strength, and abrasion resistance. They are also easy to install and repair, and their flexibility allows for customized designs. Overall, monolithic refractories contribute to improved productivity, reduced downtime, and enhanced product quality in the iron and steel industry.
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
