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 performance of iron and steel furnaces?
- Monolithic refractories play a crucial role in improving the performance of iron and steel furnaces in several ways. Firstly, these refractories provide excellent thermal insulation, which helps to maintain a stable and high temperature inside the furnace. This is important because the production of iron and steel requires extremely high temperatures for efficient melting and refining processes. Secondly, monolithic refractories have high resistance to thermal shock and can withstand rapid temperature changes without cracking or spalling. This is particularly important in iron and steel furnaces, where the temperature can fluctuate greatly during operations. By withstanding thermal shock, these refractories ensure the longevity of the furnace lining, reducing maintenance and downtime. Furthermore, monolithic refractories have excellent resistance to chemical attacks from the molten metal and slag in the furnace. The production of iron and steel involves the use of various chemical agents that can corrode and erode the lining of the furnace. Monolithic refractories offer superior resistance to these chemical attacks, ensuring the integrity of the furnace lining and preventing contamination of the metal being produced. Additionally, monolithic refractories have excellent mechanical strength and abrasion resistance. This is important as they are subjected to mechanical stresses and wear from the movement of materials inside the furnace, such as charging and tapping operations. The high mechanical strength and abrasion resistance of these refractories ensure their durability and prolong their service life in iron and steel furnaces. Overall, monolithic refractories improve the performance of iron and steel furnaces by providing superior thermal insulation, resistance to thermal shock and chemical attacks, as well as high mechanical strength and abrasion resistance. These properties contribute to the efficient and reliable operation of the furnace, resulting in increased productivity, reduced maintenance costs, and improved product quality.
- Q:How do monolithic refractories protect the lining of ladles and tundishes?
- Monolithic refractories protect the lining of ladles and tundishes by forming a strong and durable barrier against high temperatures, chemical reactions, and mechanical stresses. These refractories are designed to be resistant to thermal shock and erosion, ensuring that the lining remains intact and unaffected by the molten metal or slag. They also provide insulation, minimizing heat loss and reducing energy consumption. Overall, monolithic refractories act as a reliable shield, extending the lifespan of the ladles and tundishes and preventing any detrimental effects on the lining.
- Q:What are the limitations of monolithic refractories in high-temperature applications?
- Monolithic refractories have certain limitations when used in high-temperature applications. One major limitation is their susceptibility to thermal shock. Monolithic refractories lack the structural stability and resistance to sudden temperature changes compared to other refractory materials. Additionally, their relatively low thermal conductivity can lead to uneven heat distribution and potential hotspots, affecting the overall performance and longevity of the refractory lining. Another limitation is their susceptibility to chemical attack by certain aggressive environments, which can lead to accelerated deterioration and reduced lifespan. Overall, while monolithic refractories offer certain advantages in terms of installation flexibility and ease of maintenance, their limitations in terms of thermal shock resistance, thermal conductivity, and chemical resistance must be considered in high-temperature applications.
- Q:What are the advantages of using low-moisture castables in the iron and steel industry?
- There are several advantages of using low-moisture castables in the iron and steel industry. Firstly, low-moisture castables have a lower water content, which means they require less drying time. This is advantageous in the iron and steel industry where time is of the essence, as it reduces the overall production time and allows for faster turnaround. Secondly, low-moisture castables have superior strength and durability compared to traditional castables. They are able to withstand high temperatures and harsh environments without cracking or breaking. This is crucial in the iron and steel industry where extreme heat and abrasion are common, as it ensures the castables can endure the demanding conditions and maintain their structural integrity. Furthermore, low-moisture castables have excellent thermal shock resistance. This means they can withstand rapid changes in temperature without cracking or spalling, which is beneficial in the iron and steel industry where heating and cooling processes are frequent. Another advantage is that low-moisture castables have a higher density compared to traditional castables. This results in improved insulation properties, as they have a lower thermal conductivity. This is important in the iron and steel industry as it helps to conserve energy and reduce heat loss during various processes, ultimately leading to cost savings. Lastly, low-moisture castables offer versatility in terms of application. They can be used for various purposes in the iron and steel industry, such as lining ladles, furnaces, tundishes, and other high-temperature equipment. This versatility allows for greater flexibility in designing and constructing the infrastructure required for iron and steel production. Overall, the advantages of using low-moisture castables in the iron and steel industry include reduced drying time, increased strength and durability, enhanced thermal shock resistance, improved insulation properties, and versatility in application. These benefits ultimately contribute to more efficient and cost-effective operations in the iron and steel industry.
- Q:What are the typical applications of monolithic refractories in blast furnaces?
- Monolithic refractories are commonly used in blast furnaces for various applications, including lining the hearth, taphole, and slag line, as well as repairing cracks and erosion in the furnace lining. They are also used to create a protective barrier against high temperatures, chemical reactions, and mechanical stresses inside the blast furnace.
- Q:How do monolithic refractories withstand high temperatures and thermal shocks?
- Monolithic refractories are able to withstand high temperatures and thermal shocks due to their unique composition and design. These refractories are made from a single piece or structure, hence the term "monolithic". This structural integrity allows them to resist the extreme heat and sudden temperature changes experienced in high-temperature applications. One key factor that enables monolithic refractories to withstand high temperatures is the use of high-quality raw materials. These materials are carefully selected for their ability to withstand heat and thermal stress. Common components include silica, alumina, magnesia, and other refractory minerals with high melting points. Additionally, the manufacturing process plays a crucial role in enhancing the thermal resistance of monolithic refractories. The raw materials are mixed with binders, such as clay or cement, to form a homogenous mixture. This mixture is then shaped and installed in its final position, either by pouring or gunning, depending on the application. The binder ensures that the refractory maintains its shape and integrity during thermal cycling. Furthermore, monolithic refractories possess excellent thermal conductivity and low thermal expansion properties. This means that they can efficiently transfer and dissipate heat, minimizing the risk of thermal stress and cracking. The low thermal expansion also reduces the likelihood of spalling or delamination, which is crucial for withstanding thermal shocks. Another factor contributing to the high-temperature resistance of monolithic refractories is their ability to form a protective layer or slag at the surface. This layer acts as a barrier, preventing the refractory from direct contact with corrosive materials or aggressive atmospheres. It helps to improve the refractory's longevity and resistance to thermal shocks. Overall, the combination of high-quality raw materials, careful manufacturing techniques, and beneficial thermal properties enables monolithic refractories to withstand high temperatures and thermal shocks. These refractories are widely used in various industries, including steel, cement, glass, and petrochemical, where they serve as reliable linings in furnaces, kilns, and other high-temperature equipment.
- Q:How do monolithic refractories withstand high temperatures in iron and steel production?
- Monolithic refractories are able to withstand high temperatures in iron and steel production due to their composition and unique properties. These refractories are made from a single, continuous material, which eliminates the need for joints or seams that could weaken under extreme heat. Additionally, they have high thermal conductivity and low thermal expansion, allowing them to effectively absorb and distribute the intense heat in the production process without cracking or breaking. Furthermore, monolithic refractories are highly resistant to chemical corrosion and erosion, which is crucial in the harsh environment of iron and steel production. Overall, the combination of these factors enables monolithic refractories to withstand the extreme temperatures involved in iron and steel production.
- Q:How do monolithic refractories improve the quality and consistency of iron and steel products?
- Monolithic refractories enhance the quality and consistency of iron and steel products by providing excellent resistance to high temperatures, thermal shock, and chemical attacks. These refractories form a seamless lining within the furnaces and other equipment used in the production process, ensuring optimal insulation and minimizing heat loss. This insulation helps in maintaining stable and controlled temperatures, preventing unwanted variations that can affect the final product's quality. Additionally, monolithic refractories' durability and resistance to wear and tear contribute to consistent and reliable performance, resulting in improved iron and steel product quality.
- Q:How do monolithic refractories contribute to the overall efficiency of iron and steel production?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of iron and steel production. These refractories, which are made from a single material, provide exceptional thermal insulation, resistance to high temperatures, and excellent mechanical strength. By lining the furnaces, ladles, and other equipment used in the production process, monolithic refractories help in maintaining and regulating the required high temperatures for melting, refining, and shaping iron and steel. This insulation reduces heat loss, minimizes energy consumption, and ensures a more efficient and cost-effective production process. Additionally, the mechanical strength of monolithic refractories allows for better protection against wear and tear, resulting in increased equipment lifespan and reduced downtime for repairs and maintenance. Overall, the use of monolithic refractories significantly contributes to the efficiency, productivity, and sustainability of the iron and steel production industry.
- Q:What are some common maintenance practices for monolithic refractories in iron and steel furnaces?
- Some common maintenance practices for monolithic refractories in iron and steel furnaces include regular inspection and monitoring of the refractory lining for any signs of wear, damage, or erosion. This can be done through visual examinations, thermal imaging, or ultrasonic testing. Additionally, repairing and patching any damaged areas promptly is crucial to prevent further deterioration. Other practices include proper curing, preheating, and controlled cooling of the refractories to ensure their optimal performance and longevity. Regular cleaning to remove any slag, buildup, or debris is also important to reduce the risk of blockages or hotspots. Lastly, following manufacturer guidelines and recommendations for installation, usage, and maintenance is essential for effectively managing and prolonging the lifespan of monolithic refractories in iron and steel furnaces.
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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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