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 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:What are the specific requirements of monolithic refractories for soaking pit applications?
- Monolithic refractories for soaking pit applications must meet several specific requirements. Firstly, they need to withstand high temperatures and thermal cycling. This means they must be able to endure temperatures exceeding 1500 degrees Celsius without significant degradation. The longevity and durability of the refractories depend on this capability. Secondly, the refractories must have good thermal shock resistance. Since soaking pits often experience rapid changes in temperature, the refractories must be able to handle these fluctuations without cracking or spalling. This is vital to maintain the refractories' integrity. Chemical attacks are another concern in soaking pit applications. Molten metal, slag, and other corrosive substances are present, so the refractories must have excellent chemical resistance. This prevents erosion and chemical reactions. Withstanding the corrosive effects of molten metal and slag, as well as potential chemical reactions, is crucial. Furthermore, mechanical stresses, such as abrasion and impact, occur in soaking pits due to the movement and handling of metal ingots. The monolithic refractories should possess good mechanical strength and abrasion resistance to withstand these stresses. They should be able to resist wear and tear caused by heavy loads and avoid any mechanical failure. Lastly, the refractories used in soaking pits should be easy to work with and install. This ensures efficient and effective lining of the pit, minimizing any gaps or cracks that could lead to heat loss or chemical penetration. In summary, monolithic refractories for soaking pit applications must meet specific requirements regarding high temperature resistance, thermal shock resistance, chemical resistance, mechanical strength, and ease of installation. Fulfilling these requirements guarantees that the refractories can withstand the harsh conditions of soaking pits and maintain their performance and integrity over an extended period.
- Q:How do monolithic refractories contribute to reducing emissions in iron and steel processes?
- The reduction of emissions in iron and steel processes is greatly aided by the use of monolithic refractories, which offer a more efficient and sustainable lining solution compared to traditional brick refractories. To begin with, monolithic refractories possess a homogeneous structure that allows for easier installation and repair. This characteristic reduces the amount of time needed for maintenance, ultimately leading to increased productivity and decreased emissions. In contrast, brick refractories require more labor-intensive and time-consuming procedures for installation and repair, resulting in longer shutdown periods and higher emissions. Additionally, monolithic refractories demonstrate superior thermal insulation properties. By minimizing heat loss from furnaces or kilns, they enhance energy efficiency and decrease the amount of fuel required to reach the desired temperature. This reduction in fuel consumption directly translates into lower emissions of greenhouse gases, such as carbon dioxide, which contributes to the overall environmental sustainability of iron and steel processes. Furthermore, monolithic refractories possess excellent resistance to both thermal and chemical wear, thereby enhancing the durability and lifespan of the lining. This increased durability reduces the frequency at which refractories need to be replaced, resulting in reduced waste generation and resource consumption. By extending the service life of the lining, monolithic refractories contribute to the reduction of the environmental impact associated with the production and disposal of refractory materials. Moreover, monolithic refractories can be formulated with specialized compositions and additives to improve their resistance to corrosion and erosion, which are common challenges in iron and steel processes. By minimizing the wear and tear on the refractory lining, they help maintain the integrity of furnaces and kilns, preventing the leakage of harmful gases and pollutants that would otherwise contribute to emissions. In conclusion, monolithic refractories aid in the reduction of emissions in iron and steel processes through their ease of installation and repair, superior thermal insulation properties, increased durability, and resistance to corrosion and erosion. By optimizing energy efficiency, minimizing downtime, and reducing waste generation, monolithic refractories provide a sustainable solution for the industry, aligning with global efforts to combat climate change and promote environmental stewardship.
- Q:How do monolithic refractories perform in rotary kiln applications?
- Monolithic refractories perform exceptionally well in rotary kiln applications due to their high thermal shock resistance, excellent chemical resistance, and superior strength at high temperatures. Their ability to withstand extreme heat and harsh chemical environments makes them ideal for lining the interior of rotary kilns. Additionally, monolithic refractories offer easy installation and maintenance, ensuring efficient and reliable kiln operations.
- Q:What are the main factors affecting the abrasion resistance of monolithic refractories?
- The main factors affecting the abrasion resistance of monolithic refractories can be categorized into three key aspects: material composition, microstructure, and service conditions. Firstly, material composition plays a crucial role in determining the abrasion resistance of monolithic refractories. The choice of raw materials, such as aggregates and binders, directly influences the overall hardness, strength, and wear resistance of the refractory. For instance, high-alumina refractories, which contain a high percentage of alumina as the main component, tend to exhibit excellent abrasion resistance due to the hardness and toughness of alumina. Conversely, refractories with a high proportion of softer materials like clay or magnesia may have lower abrasion resistance. Secondly, the microstructure of monolithic refractories greatly affects their ability to withstand abrasion. The distribution and orientation of aggregates, as well as the bond strength between the particles and the matrix, play significant roles in determining the resistance to wear. A well-distributed and interconnected network of aggregates can enhance the refractory's strength and resistance to abrasion. Additionally, a dense and well-sintered matrix can inhibit the penetration of abrasive particles, thereby reducing wear. Lastly, the service conditions in which the monolithic refractories are exposed to are crucial factors in determining their abrasion resistance. Factors such as temperature, atmosphere, and mechanical stress can significantly impact the wear behavior of refractories. High temperatures can cause thermal expansion and contraction, leading to cracks and spalling, which can accelerate abrasion. The presence of corrosive gases or chemicals can also deteriorate the refractory's microstructure, reducing its resistance to wear. Furthermore, mechanical stress from impact or friction can cause localized wear and damage the refractory. In conclusion, the main factors affecting the abrasion resistance of monolithic refractories include material composition, microstructure, and service conditions. By carefully selecting the appropriate raw materials, optimizing the microstructure, and considering the specific service conditions, it is possible to enhance the abrasion resistance of monolithic refractories and improve their overall performance in high-wear applications.
- Q:How do monolithic refractories withstand high temperatures and thermal cycling?
- Monolithic refractories are designed to withstand high temperatures and thermal cycling due to their unique composition and structural characteristics. Firstly, monolithic refractories are made from high-quality raw materials, such as alumina, silica, and magnesia, which have excellent thermal properties. These materials possess high melting points and low thermal conductivity, allowing them to retain their strength and integrity even at extreme temperatures. Moreover, monolithic refractories are typically engineered to have a dense and compact microstructure. This dense structure prevents the penetration of heat and gases, thus minimizing thermal shock and preventing the formation of cracks. Additionally, the compact microstructure enhances the refractory's thermal conductivity, enabling it to efficiently distribute and dissipate heat. Furthermore, monolithic refractories are often formulated with special additives and bonding agents that enhance their resistance to thermal cycling. These additives can improve the refractory's thermal expansion properties, allowing it to expand and contract without cracking or spalling during rapid temperature changes. Additionally, certain bonding agents can provide a degree of flexibility to the refractory, enabling it to accommodate thermal stresses without compromising its structural integrity. In addition to the inherent characteristics of monolithic refractories, proper installation techniques also play a crucial role in their ability to withstand high temperatures and thermal cycling. The refractory must be carefully applied and cured to ensure uniformity and minimize the formation of internal stresses. Adequate curing and heat treatment processes help to develop a strong and durable bond between the refractory and the substrate, enhancing its resistance to thermal shock and cyclic thermal loading. Overall, monolithic refractories are engineered to withstand high temperatures and thermal cycling through their composition, microstructure, and installation techniques. These factors work in synergy to provide the refractory with excellent thermal conductivity, resistance to thermal shock, and the ability to expand and contract without compromising its structural integrity.
- 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 known for their versatility and ability to be tailored to various applications. The composition, physical properties, and installation techniques of monolithic refractories can be adjusted to meet the specific needs of iron and steel processing. For example, the choice of raw materials used in the manufacturing of monolithic refractories can be customized to withstand the high temperatures and harsh chemical environments encountered in iron and steel processing. Different types of aggregates, binders, and additives can be selected to enhance the refractory's resistance to thermal shock, erosion, and corrosion. Furthermore, the installation method of monolithic refractories can be adapted to suit the specific requirements of iron and steel processing. Whether it is gunning, casting, ramming, or spraying, the installation technique can be customized to ensure optimal performance and longevity in the given application. Additionally, monolithic refractories can also be tailored to specific shapes and sizes to fit the various equipment and structures used in iron and steel processing. This allows for a more precise and efficient lining of furnaces, ladles, tundishes, and other vessels, thereby improving the overall productivity and performance of the process. In summary, monolithic refractories can be customized to meet the specific iron and steel processing requirements by adjusting their composition, physical properties, installation techniques, and shape. This customization ensures that the refractories can withstand the extreme conditions encountered in these industries, leading to improved performance, longer service life, and enhanced productivity.
- Q:What are the main applications of monolithic refractories in the iron and steel industry?
- The iron and steel industry heavily relies on monolithic refractories due to their versatile applications. In this industry, monolithic refractories play a vital role in several areas: 1. Blast Furnaces: When converting iron ore into molten iron, blast furnaces are crucial components. The inner walls of blast furnaces are lined with monolithic refractories, which provide insulation and protection against extreme temperatures and corrosive environments. These refractories maintain the furnace's integrity and efficiency, ensuring seamless operation and extended service life. 2. Ladles and Tundishes: Ladles and tundishes are vessels used to transport molten metal from blast furnaces to the next processing stage. Monolithic refractories are used to line these vessels, as they can withstand high temperatures and chemical reactions that occur during metal transfer. They prevent heat loss, minimize metal contamination, and enhance overall process efficiency. 3. Steelmaking Furnaces: Electric arc furnaces (EAFs) and basic oxygen furnaces (BOFs) are among the various types of steelmaking furnaces that extensively employ monolithic refractories. These furnaces require lining materials that can withstand extreme temperatures, chemical reactions, and mechanical stresses. Monolithic refractories provide exceptional thermal insulation, erosion resistance, and structural integrity, enabling efficient and reliable steel production. 4. Continuous Casting: Continuous casting is a widely used method for producing large quantities of steel. During this process, molten steel is continuously poured into a water-cooled mold, solidifying it into solid steel billets or slabs. Monolithic refractories are used to line the mold's walls and floor, ensuring thermal insulation and preventing the solidified steel from adhering to the mold. They help maintain the desired casting shape and improve the final product's quality. 5. Reheating Furnaces: Reheating furnaces are used to heat steel billets or slabs before further processing. Monolithic refractories line the walls and roof of these furnaces since they can withstand high temperatures and thermal cycling. They provide insulation, reduce heat loss, and enhance the reheating process's efficiency. In conclusion, monolithic refractories are indispensable in the iron and steel industry as they possess high-temperature resistance, chemical stability, and mechanical strength. They contribute to the durability and efficiency of various equipment and processes, ensuring seamless operations and high-quality steel production.
- 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:How do monolithic refractories contribute to reducing downtime in iron and steel plants?
- Monolithic refractories play a crucial role in reducing downtime in iron and steel plants by offering several key advantages over traditional brick refractories. Firstly, monolithic refractories are highly versatile and can be easily molded and installed, allowing for quicker repairs and replacements. Unlike brick refractories that require time-consuming and labor-intensive processes, such as bricklaying and mortar application, monolithic materials can be directly applied in a castable or gunning form, significantly reducing the downtime required for repairs. Additionally, monolithic refractories provide better thermal insulation and improved resistance to thermal shocks, which are common occurrences in iron and steel plants. This enhanced thermal performance helps to maintain stable operating temperatures and prevents sudden temperature fluctuations that can lead to refractory failure and subsequent downtime. By minimizing these thermal shocks, monolithic refractories increase the overall lifespan of the refractory lining, reducing the need for frequent repairs and replacements. Furthermore, monolithic refractories offer superior chemical resistance compared to traditional brick refractories. Iron and steel plants often encounter aggressive chemical environments due to the presence of molten metal, slag, and other corrosive substances. Monolithic refractories are specifically designed to withstand these harsh conditions, preventing chemical attacks and erosion of the refractory lining. As a result, the need for unscheduled shutdowns due to refractory degradation is significantly reduced. Lastly, monolithic refractories provide better dimensional stability, minimizing the risk of cracks and spalling that can occur due to thermal cycling and mechanical stress. This increased resistance to wear and tear ensures that the refractory lining remains intact for a longer period, reducing the frequency of maintenance and enhancing the overall operational efficiency of the iron and steel plant. In summary, monolithic refractories contribute to reducing downtime in iron and steel plants by offering faster installation, improved thermal insulation, superior chemical resistance, and enhanced dimensional stability. Their versatility and performance advantages make them a reliable choice for maintaining a reliable and efficient refractory lining, ultimately reducing the frequency and duration of plant shutdowns.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
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
