Monolithic Refractories Magnesium Calcium Gunning for Ladle and Tundish for Iron and Steel Industry
- Ref Price:
-
$652.11 - 797.03
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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General Information of Magnesium Calcium Gunning for Ladle and Tundish
Made as per international standards, ALRE magnesium calcium gunning forladle and tundish is known for its excellent corrosion resistance, long operating life and high refractoriness.
Technical data of Magnesium Calcium Gunning for Ladle and Tundish
Item | Magnesium Calcium Gunning | |||
CPL-1 | CPL-2 | |||
Al2O3(%)≥ | — | — | ||
MgO(%)≥ | 75-80 | 70-80 | ||
CaO(%)≤ | 5-10 | 2-10 | ||
SiO2(%)≤ | 4 | 10 | ||
SiO2+ Fe2O3+ Al2O3(%)≥ | ||||
Bulk Density (g/cm3)≥ | — | — | ||
C.C.S. (MPa) ≥ | 110℃×24hrs | — | — | |
1500℃×3hrs | — | — | ||
M.O.R.(MPa) ≥ | 110℃×24hrs | — | — | |
1500℃×3hrs | — | — | ||
Refractoriness (℃) ≥ | 1790 | 1790 | ||
Grain Size (mm) ≤ | — | — | ||
Permanent Linear Change(%) | 1500℃×2hrs | — | — | |
1500℃×3hrs | — | — | ||
Life time (hr) | — | — | ||
Production line and Packing of Magnesium Calcium Gunning for Ladle and Tundish
Feature of Magnesium Calcium Gunning for Ladle and Tundish
Long operating life
High refractoriness
Excellent corrosion resistance
Application of Magnesium Calcium Gunning for Ladle and Tundish
ALRE magnesium calcium gunning forladle and tundish can be used widely in steel and iron industry.
- Q:What are the challenges in using monolithic refractories in the iron and steel industry?
- The iron and steel industry faces significant challenges when it comes to using monolithic refractories. One of these challenges is the fact that monolithic refractories are more prone to thermal shock compared to traditional brick refractories. Unlike brick refractories, which are made from multiple materials and have strong structural integrity, monolithic refractories are made from a single material, which makes them more susceptible to cracking and failure when exposed to rapid changes in temperature. Another challenge lies in achieving consistent and uniform application of monolithic refractories. While brick refractories can be precisely shaped and fitted into specific areas, monolithic refractories are typically applied as a mortar-like mixture that is poured or sprayed into place. This process is more complex and requires skilled operators to ensure proper application and adhesion. Additionally, monolithic refractories have a shorter lifespan compared to brick refractories. They are more vulnerable to erosion and wear, especially in high-temperature environments and when exposed to harsh chemicals and slag. This means that regular maintenance and replacement of monolithic refractories are necessary, leading to increased downtime and costs for the iron and steel industry. Furthermore, selecting and customizing monolithic refractories can be challenging. The iron and steel industry has diverse operating conditions and requirements, making it difficult to find the right monolithic refractory composition and design that can withstand the specific demands of each application. Factors such as temperature, chemical composition, and mechanical stress must be carefully considered. In conclusion, although monolithic refractories offer advantages such as easy installation and versatility, their susceptibility to thermal shock, difficulty in achieving uniform application, shorter lifespan, and the need for customized selection present challenges for their effective use in the iron and steel industry.
- Q:How do monolithic refractories resist erosion from molten metals and slags?
- Monolithic refractories resist erosion from molten metals and slags through several mechanisms. Firstly, they have a high melting point, which allows them to withstand the high temperatures of molten metals and slags without any significant degradation. Secondly, they have a dense and compact structure, which reduces the penetration of molten metals and slags into their surface. Additionally, monolithic refractories often contain additives such as antioxidants or slag resistance agents, which further enhance their resistance to erosion.
- Q:What are the challenges in recycling monolithic refractories?
- One of the main challenges in recycling monolithic refractories is their composition. Monolithic refractories are typically made from a combination of different minerals, binders, and additives, which can make the separation and recovery of individual components difficult. Additionally, the high temperatures at which monolithic refractories are used can cause chemical reactions and physical changes that affect their recyclability. Furthermore, the presence of contaminants, such as metal oxides or impurities from the manufacturing process, can also pose challenges in the recycling process. Overall, developing efficient and cost-effective recycling methods for monolithic refractories requires addressing these challenges and finding innovative solutions.
- Q:How do monolithic refractories perform in reheating furnace applications?
- Monolithic refractories are highly effective in reheating furnace applications due to their exceptional thermal stability, strength, and resistance to thermal shock. These refractories are designed to withstand high temperatures, rapid temperature changes, and harsh operating conditions commonly found in reheating furnaces. One of the key advantages of monolithic refractories in reheating furnace applications is their ability to provide a seamless lining. Unlike traditional brick refractories, which require extensive installation and joints, monolithic refractories can be easily applied as a single, homogeneous layer. This eliminates the risk of thermal stress and cracking at joints, ensuring a more reliable and durable lining. Additionally, monolithic refractories offer excellent thermal insulation properties, which help to conserve energy and reduce heat loss in the reheating furnace. This not only improves the overall efficiency of the furnace but also reduces operational costs. Moreover, monolithic refractories exhibit high mechanical strength, allowing them to withstand the mechanical stress and abrasion caused by the movement of the furnace charge. They also have good resistance to chemical attack from gases, slags, and molten metals commonly encountered in reheating furnace operations. Furthermore, monolithic refractories can be easily repaired or patched, minimizing downtime and ensuring continuous furnace operation. Their ability to be easily shaped and molded to fit various furnace geometries also makes them highly versatile and adaptable to different reheating furnace designs. Overall, monolithic refractories offer exceptional performance in reheating furnace applications by providing superior thermal stability, strength, and resistance to thermal shock. Their seamless lining, thermal insulation properties, and resistance to mechanical and chemical stress make them an ideal choice for ensuring reliable and efficient furnace operation.
- Q:What are the common testing methods used to evaluate the performance of monolithic refractories?
- The common testing methods used to evaluate the performance of monolithic refractories include thermal conductivity testing, hot modulus of rupture testing, abrasion resistance testing, thermal shock resistance testing, and corrosion resistance testing.
- Q:How do monolithic refractories impact the quality and performance of iron and steel products?
- Monolithic refractories play a crucial role in influencing the quality and performance of iron and steel products. These refractories, which are composed of a single, solid structure, are used to line the furnaces and other high-temperature processing equipment in the iron and steel industry. The use of monolithic refractories ensures enhanced thermal insulation, corrosion resistance, and stability in the furnace lining. This results in improved energy efficiency and reduced heat loss during the manufacturing process. Additionally, monolithic refractories offer excellent resistance to thermal shock, meaning they can withstand rapid changes in temperature without cracking or deteriorating. The quality and performance of iron and steel products are greatly impacted by the consistent and uniform heat distribution provided by monolithic refractories. This leads to superior metallurgical properties and improved product quality, such as increased strength, enhanced durability, and better surface finish. Furthermore, monolithic refractories contribute to the overall productivity and cost-effectiveness of the iron and steel industry. Their high refractoriness and low maintenance requirements result in extended furnace lining life, reducing downtime and increasing production capacity. This, in turn, leads to higher yields and improved profitability for iron and steel manufacturers. In summary, monolithic refractories have a significant positive impact on the quality and performance of iron and steel products by providing efficient thermal insulation, superior heat distribution, and increased resistance to thermal shock. Their use enhances product quality, productivity, and cost-effectiveness in the iron and steel industry.
- Q:What are the main factors affecting the erosion resistance of monolithic refractories?
- The main factors affecting the erosion resistance of monolithic refractories include the type and composition of the refractory material, the operating temperature and environment, the mechanical strength and density of the refractory, and the presence of impurities or contaminants. Additionally, the design and installation of the refractory lining, as well as the method of installation, can also influence its erosion resistance.
- Q:What are the different techniques for installing monolithic refractories?
- Installing monolithic refractories can be accomplished using various techniques, each with its own advantages and suitability for different applications. Some commonly employed methods are as follows: 1. Casting: This involves creating a slurry by mixing the refractory material with water or a binder. The resulting mixture is then poured into molds or directly onto the prepared surface. Once set and hardened, it forms a solid monolithic structure. 2. Gunning: By utilizing a gunning machine, the refractory material is sprayed onto the surface. The material is combined with water or a binder to form a wet mix, which is then propelled onto the surface at high velocity. Gunning is commonly used for on-site repairs or lining larger areas. 3. Ramming: In this technique, the refractory material is compacted into place using a pneumatic or manual ramming tool. Prior to ramming, the material is typically preheated to decrease moisture content and enhance workability. Ramming is often employed for lining smaller areas or filling gaps between bricks or precast shapes. 4. Shotcreting: Similar to gunning, shotcreting involves using a dry mix of refractory material. The dry mix is combined with water or a binder just before being sprayed onto the surface using a high-pressure nozzle. Shotcreting is frequently used for lining larger areas or creating intricate shapes. 5. Troweling: This technique entails applying the refractory material onto the surface using a trowel or similar tool. The material used is typically a wet mix that is spread and smoothed manually. Troweling is commonly employed for patching or repairing small areas, as well as for adding finishing touches. 6. Vibrating: By using a vibrating tool or vibrator, the refractory material is compacted and any air pockets are eliminated. Vibrating is often used to improve the density and strength of the monolithic refractory after it has been installed using other techniques. It is essential to consider various factors, such as the type of refractory material, the size and shape of the area to be lined, and the specific requirements of the application when selecting the appropriate technique. Additionally, proper surface preparation and adherence to installation guidelines are crucial to ensure the effectiveness and longevity of the monolithic refractory.
- Q:How do monolithic refractories contribute to the control of spalling in iron and steel processes?
- Monolithic refractories contribute to the control of spalling in iron and steel processes by providing a protective lining that can withstand high temperatures and thermal shocks. These refractories are designed to have excellent thermal insulation properties, low thermal conductivity, and high resistance to mechanical and chemical stresses. By lining the walls and floors of furnaces and other equipment, monolithic refractories help to minimize heat transfer and prevent the formation of cracks and spalling, which can lead to equipment failure and production disruptions. Additionally, their ability to withstand thermal cycling and resist chemical reactions with molten metals and slag contributes to the overall durability and longevity of the refractory lining.
- 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.
We are an industrial enterprise of refractories integrating the scientific research, design, production and engineering service. With first-class quality of products, high-efficient and prompt after-sale service, our products are not only well sold in many domestic large steel enterprises and coking enterprises, but also widely exported to more than 23 countries and regions.
1. Manufacturer Overview |
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|---|---|
| Location | Henan, China |
| Year Established | 2007 |
| Annual Output Value | Above US$ 200 Million |
| Main Markets | North America;Asia;Western Europe;Africa;Russia;Middle East |
| Company Certifications | ISO 9001:2008 |
2. Manufacturer Certificates |
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| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 20% - 30% |
| No.of Employees in Trade Department | 10-20 People |
| Language Spoken: | English; Chinese |
| b)Factory Information | |
| Factory Size: | Above 150,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | Installation guide, OEM Service Offered |
| Product Price Range | High; Average |
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Monolithic Refractories Magnesium Calcium Gunning for Ladle and Tundish for Iron and Steel Industry
- Ref Price:
-
$652.11 - 797.03
/ m.t.
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 2 MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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