Ceramic Lined Ceramic Ball Valve Product
- 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 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 contribute to the overall productivity of iron and steel plants?
- The overall productivity of iron and steel plants is greatly improved by monolithic refractories. These refractories are versatile and efficient because they can be shaped and installed without the need for joints or mortar. One significant way in which monolithic refractories boost the productivity of iron and steel plants is their ability to withstand high temperatures. They are designed to have excellent thermal shock resistance, meaning they can endure rapid temperature changes without cracking or breaking. This makes them suitable for use in blast furnaces, converters, and ladles, which require high temperatures. Using monolithic refractories in these critical areas allows iron and steel plants to operate at higher temperatures, resulting in increased production rates. These refractories provide effective insulation, reducing heat losses and improving energy efficiency. As a result, the plant saves costs and achieves higher output. Furthermore, monolithic refractories are well-known for their exceptional resistance to chemical attacks from molten metals and slags. They can withstand the corrosive effects of molten iron, steel, and other alloys, protecting the underlying structures and extending their lifespan. This reduces the need for maintenance and repairs, leading to less downtime and higher productivity. Additionally, monolithic refractories offer easy installation and maintenance, which further contributes to productivity. Unlike traditional refractories that require time-consuming bricklaying and jointing, monolithic refractories can be easily sprayed, troweled, or pumped into place, saving time and labor costs. Moreover, they can be repaired or replaced without major disruptions to the production processes, ensuring minimal downtime and maximizing overall plant productivity. In summary, monolithic refractories enhance the productivity of iron and steel plants in various ways, including their ability to withstand high temperatures, provide insulation and energy efficiency, resist chemical attacks, and offer easy installation and maintenance. Their ability to perform in extreme conditions and their cost-effectiveness make them crucial components in the iron and steel industry, ultimately contributing to increased output and profitability.
- Q:How do monolithic refractories contribute to the overall efficiency of ladle slagging operations?
- Monolithic refractories play a vital role in enhancing the overall efficiency of ladle slagging operations, which involve removing impurities from molten metal in a ladle before pouring it into molds or further processing. One of the primary benefits of monolithic refractories is their capacity to withstand high temperatures, a crucial factor in ladle slagging operations. The refractory lining in the ladle must endure the intense heat generated by the molten metal and slag, as well as the chemical reactions occurring during the process. By possessing high thermal stability, monolithic refractories prevent the lining from cracking or deteriorating, thus ensuring the integrity of the ladle and maintaining its efficiency. Furthermore, monolithic refractories offer excellent resistance against chemical erosion and corrosion. In the ladle slagging process, the molten metal and slag may contain impurities and aggressive chemicals such as sulfur, phosphorus, and other oxides. These substances can attack and degrade the lining of the ladle, compromising its efficiency. However, monolithic refractories are specifically designed to withstand these chemical attacks, thereby prolonging the lifespan of the ladle and reducing the need for frequent repairs or replacements. Moreover, monolithic refractories possess exceptional thermal insulation properties. Precise temperature control is essential in ladle slagging operations to facilitate desired chemical reactions and efficient impurity removal. The thermal insulation provided by monolithic refractories helps maintain a consistent temperature within the ladle, preventing heat loss and facilitating optimal slagging conditions. Additionally, this insulation minimizes energy consumption and improves the overall energy efficiency of the ladle slagging process. In conclusion, monolithic refractories make significant contributions to the overall efficiency of ladle slagging operations. Their ability to endure high temperatures, resist chemical erosion, and provide thermal insulation ensures the integrity and longevity of the ladle. By reducing the need for frequent repairs and enabling precise temperature control, monolithic refractories optimize the slagging process, leading to enhanced productivity and cost-effectiveness.
- Q:How do monolithic refractories perform in rotary hearth furnace applications?
- Monolithic refractories are known for their excellent performance in rotary hearth furnace applications. These refractories are designed to withstand the extreme temperatures and harsh conditions found in rotary hearth furnaces, making them an ideal choice for this specific application. One of the main advantages of monolithic refractories is their ability to resist thermal shock. In a rotary hearth furnace, the material being processed is subjected to rapid heating and cooling cycles, which can cause significant thermal stress on the refractory lining. Monolithic refractories have high thermal conductivity and low thermal expansion, allowing them to withstand these temperature fluctuations without cracking or spalling. Another key characteristic of monolithic refractories is their excellent abrasion resistance. In a rotary hearth furnace, the material being processed can contain abrasive particles that can erode the refractory lining over time. Monolithic refractories are formulated with high-quality aggregates and binders that offer superior resistance to abrasion, ensuring a longer service life for the lining. Furthermore, monolithic refractories have good chemical resistance, making them suitable for a wide range of applications in rotary hearth furnaces. They can withstand exposure to various chemical substances, such as molten metals, slags, and gases, without undergoing significant chemical reactions or degradation. This chemical stability ensures that the refractory lining remains intact and maintains its performance in the demanding environment of a rotary hearth furnace. Additionally, monolithic refractories offer excellent installation flexibility. Unlike traditional brick or tile refractories, which require complex installation procedures, monolithic refractories can be easily shaped and applied in-situ using various methods, such as gunning, casting, or ramming. This flexibility allows for quicker and more efficient lining repairs or replacements, reducing downtime and maintenance costs. In conclusion, monolithic refractories are highly reliable and efficient in rotary hearth furnace applications. Their ability to resist thermal shock, abrasion, and chemical attack, coupled with their easy installation, make them the preferred choice for lining materials in these demanding environments.
- Q:How do monolithic refractories withstand the mechanical impacts in furnace door applications?
- Monolithic refractories withstand mechanical impacts in furnace door applications due to their high strength and resistance to thermal shock. These refractories are composed of dense and uniform materials, such as castables or plastics, which provide excellent structural integrity and the ability to withstand heavy loads and vibrations. Additionally, they have low porosity and high thermal conductivity, allowing them to dissipate heat efficiently and reduce the risk of cracking or spalling under mechanical stress.
- Q:What are the key differences between acidic and basic monolithic refractories?
- The key differences between acidic and basic monolithic refractories lie in their chemical compositions and their behavior in different environments. Acidic monolithic refractories are primarily composed of acidic oxides such as silica (SiO2) or alumina (Al2O3). These materials have a high resistance to acidic environments and are commonly used in industries where they come into contact with acidic gases or liquids. Acidic refractories are characterized by their ability to withstand high temperatures and resist chemical erosion. They are generally not suitable for use in basic or alkaline conditions, as they can react with basic compounds and lose their effectiveness. On the other hand, basic monolithic refractories are composed of basic oxides such as magnesia (MgO) or dolomite (MgO-CaO). These materials have a high resistance to basic or alkaline environments and are commonly used in industries where they come into contact with basic compounds such as lime or cement. Basic refractories are characterized by their ability to withstand high temperatures and resist chemical erosion from basic compounds. They are generally not suitable for use in acidic conditions, as they can react with acidic compounds and lose their effectiveness. In terms of their physical properties, acidic monolithic refractories tend to have higher melting points and better thermal shock resistance compared to basic monolithic refractories. This is due to the higher melting points of acidic oxides and their ability to form stable silicate or aluminate structures at high temperatures. On the other hand, basic monolithic refractories generally have higher density and better resistance to penetration by molten materials. In conclusion, the key differences between acidic and basic monolithic refractories lie in their chemical compositions and their behavior in different environments. Acidic refractories are suitable for acidic conditions, have higher melting points, and better thermal shock resistance, while basic refractories are suitable for basic conditions, have higher density, and better resistance to penetration by molten materials.
- Q:What are the advancements in monolithic refractory technology for the iron and steel industry?
- In recent years, significant progress has been made in the field of monolithic refractory technology for the iron and steel industry. Monolithic refractories, which are heat-resistant materials used to line the walls and floors of high-temperature industrial processes, have seen notable advancements. One of the key breakthroughs in monolithic refractory technology is the development of new and improved materials. Traditional refractory materials like firebricks have been replaced by more advanced options such as castables and gunning mixes. These upgraded materials offer superior performance in terms of thermal conductivity, thermal shock resistance, and erosion resistance. They can endure higher temperatures and can be applied more efficiently, resulting in enhanced process efficiency and reduced maintenance downtime. Another significant advancement is the utilization of advanced additives in monolithic refractories. These additives have the ability to enhance the properties of the refractory material, such as increasing its resistance to corrosion and erosion. They also improve the bond between the refractory and the substrate, ensuring a longer lifespan for the lining. Furthermore, the progress in monolithic refractory technology has led to the development of innovative installation techniques. Shotcreting, for example, has gained popularity due to its efficiency and ability to provide a uniform lining by spraying the refractory material onto the surface. Similarly, the use of gunning machines, which pump the refractory material at high velocity, has improved the speed and accuracy of installation. Moreover, there have been advancements in the design of monolithic refractories tailored specifically for various applications in the iron and steel industry. Refractories for blast furnaces, ladles, tundishes, and other critical equipment have been optimized to withstand the unique challenges and harsh conditions of these processes. The development of specialized monolithic refractories has resulted in increased productivity, reduced energy consumption, and improved product quality in the iron and steel industry. In conclusion, advancements in monolithic refractory technology for the iron and steel industry have brought about improved materials, advanced additives, innovative installation techniques, and specialized designs. These advancements have significantly enhanced the performance, durability, and efficiency of refractory linings in high-temperature industrial processes. Consequently, the iron and steel industry can benefit from increased productivity, reduced downtime, and improved product quality.
- Q:How do monolithic refractories improve the efficiency of ladle and tundish preheaters?
- Monolithic refractories play a crucial role in improving the efficiency of ladle and tundish preheaters through several key mechanisms. Firstly, monolithic refractories provide excellent thermal insulation properties. They have low thermal conductivity, which means they are effective in preventing heat loss from the preheaters. By minimizing heat loss, monolithic refractories ensure that the majority of the heat generated by the preheater is utilized for preheating the ladle or tundish. This results in reduced energy consumption and improved efficiency of the preheating process. Secondly, monolithic refractories offer high thermal shock resistance. Ladle and tundish preheaters are subjected to rapid and extreme temperature changes during operation. The ability of monolithic refractories to withstand these thermal shocks ensures their long-lasting performance, minimizing the need for frequent repairs or replacements. This not only enhances the efficiency of the preheaters but also reduces downtime and maintenance costs. Furthermore, monolithic refractories exhibit excellent mechanical strength and abrasion resistance. The ladle and tundish preheaters experience constant wear and tear due to the movement of ladles or tundishes, and the abrasive nature of the materials being processed. The use of monolithic refractories prevents erosion and damage to the preheaters, ensuring their longevity and optimal functioning. This, in turn, improves the overall efficiency of ladle and tundish preheaters by reducing downtime and maintenance requirements. Lastly, monolithic refractories offer design flexibility. They can be customized and shaped according to the specific requirements of the ladle or tundish preheaters. This allows for better fitting and insulation, maximizing heat transfer efficiency. The ability to tailor the refractory lining to the preheater's design also ensures uniform heating, minimizing temperature variations and improving overall operational efficiency. In summary, the use of monolithic refractories in ladle and tundish preheaters improves efficiency by providing superior thermal insulation, thermal shock resistance, mechanical strength, abrasion resistance, and design flexibility. These properties result in reduced heat loss, minimized downtime, enhanced durability, and optimized heat transfer, ultimately leading to improved efficiency of the preheating process.
- Q:How do monolithic refractories contribute to the control of spalling in iron and steel processes?
- In controlling spalling in iron and steel processes, monolithic refractories play a vital role. Spalling, which is the breaking or flaking off of refractory material due to thermal stress, mechanical stress, or chemical reactions, can cause severe damage to furnace or kiln linings, decreasing efficiency and productivity. To tackle this issue, monolithic refractories are specifically designed to be more resistant to spalling compared to traditional brick or tile refractories. They consist of a single, uniform material that can withstand high temperatures and thermal shock, making them less prone to cracking or breaking in extreme conditions. The ability of monolithic refractories to control spalling in iron and steel processes primarily stems from their high thermal conductivity and low thermal expansion properties. These characteristics allow them to effectively distribute and absorb the intense heat generated during melting or heat treatment processes, reducing thermal stress on the refractory lining. Moreover, monolithic refractories offer improved resistance to chemical reactions and erosion caused by molten metal, slag, or gases present in iron and steel processes. They are formulated with additives and binders that enhance chemical stability and corrosion protection, minimizing the risk of spalling due to chemical attack. Furthermore, the monolithic nature of these refractories eliminates the need for joints or seams, common weak points in traditional brick or tile refractories. This seamless design ensures a more uniform and durable lining, reducing the likelihood of spalling occurring at these vulnerable areas. Overall, monolithic refractories significantly contribute to spalling control in iron and steel processes by providing superior thermal conductivity, low thermal expansion, chemical resistance, and a seamless lining. This helps maintain the integrity of the refractory lining, prolonging its lifespan and ensuring efficient and safe operation of furnaces or kilns.
- Q:What are some common maintenance practices for monolithic refractories in iron and steel furnaces?
- There are several common maintenance practices for monolithic refractories in iron and steel furnaces: 1. It is essential to conduct regular inspections. Trained professionals should inspect the refractories to identify any potential issues, such as wear, erosion, or damage. 2. Promptly repairing and patching damaged or eroded areas is crucial to maintain the integrity of the refractories. Refractory mortars or castable refractories can be used for this purpose. 3. Regularly cleaning the refractory lining is important to remove any build-up of impurities that can affect performance. Mechanical cleaning with brushes or scrapers, as well as chemical cleaning with acids, can be employed. 4. Controlled thermal cycling is often performed to condition and strengthen the refractories. Gradually increasing and decreasing the furnace temperature improves their resistance to thermal shock. 5. Applying protective coatings or sealants to the refractory lining enhances its resistance to chemical attack, erosion, and thermal cycling. These act as barriers against molten metals or slags. 6. Monitoring and controlling operating conditions inside the furnace, such as temperature, pressure, and atmosphere, is crucial. This helps prevent sudden changes that may negatively affect the refractories. 7. Regular training and education for furnace operators and maintenance personnel are crucial. This ensures they understand the importance of proper refractory maintenance, reducing the risk of premature failure. Implementing these maintenance practices significantly prolongs the lifespan of monolithic refractories in iron and steel furnaces. It maximizes their performance, leading to improved efficiency and cost-effectiveness in the production process.
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Ceramic Lined Ceramic Ball Valve Product
- 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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