Monolithic Refractories for Iron and Steel Industry:Gunning Mass Refractory Material
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20000 kg
- Supply Capability:
- 100000000 kg/month
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General Information of Gunning Mass
Gunning mass refractories is product that is used in various part of furnace as Monolithic Refractories that added hydraulic alumina cement to refractory aggregate.
Our Company is producing suitable product to installation and working condition through a quality control, this product which is minimizing alumina cement for using various dispersants and ultra fine powder so it has excellent abrasion resistance, erosion resistance, spalling resistance and chemical resistance . It widely used in part of various industrial furnace including incinerator, nonferrous metal furnace etc.
Features of Gunning Mass
High refractoriness, High refractoriness under load
High density, low porosity
Good slag resistance and corrosion resistance
High strength and wear resistance
Good resistance to flake performance
Good thermal shock stability
Scouring resistance
Good hot strength
Technical Data Sheet of Gunning Mass
CA-190 | CA-185 | CA-180 | CA-175 | CA-170 | CA-165 | CA-160 | CA-155 | CA-150 | CA-140 | |||
Properties | ||||||||||||
Application Limit Temp | 1,800 | 1,800 | 1,750 | 1,700 | 1,700 | 1,650 | 1,600 | 1,550 | 1,500 | 1,400 | ||
Bulk Density (g/cm3) | 2.9 | 2.85 | 2.8 | 2.6 | 2.5 | 2.3 | 2.15 | 2.1 | 2.1 | 2 | ||
Water Required for Casting(%) | 9-10 | 9-10 | 11-12 | 11-12 | 10-13 | 11-14 | 12-15 | 13-16 | 13-16 | 13-17 | ||
CCS/MOR | 110ºCx24h | 55(9) | 30(6) | 30(6) | 30(6) | 25(5) | 25(5) | 20(4) | 20(4.5) | 25(5) | 20(5) | |
1,200ºCx3h | 50(8) | 35(7) | 35(7) | 30(7) | 20(4) | 17(3.5) | 15(3.5) | 15(2.5) | 17(4) | 14(3) | ||
1,400ºCx3h | 60(10) | 50(8) | 60(10) | 60(10) | 50(12) | 45(8) | 40(7) | 40(7) | 32(7.5) | - | ||
Permanent Linear Change(%) | 110ºCx24h | -0.03 | -0.03 | -0.06 | -0.06 | -0.06 | -0.06 | -0.06 | -0.06 | -0.06 | -0.06 | |
1,200ºCx3h | -0.1 | -0.1 | -0.15 | -0.15 | -0.2 | -0.2 | -0.16 | -0.3 | -0.25 | -0.3 | ||
1,400ºCx3h | -0.2 | -0.2 | -1 | -1 | -0.8 | -1 | -1 | -0.7 | - | - | ||
Thermal conductivity(W/m.k) | 400ºC | 0.95 | 0.95 | 0.92 | 0.92 | 0.8 | 0.72 | 0.68 | 0.68 | 0.65 | 0.6 | |
1,000ºC | 1.1 | 1.05 | 1.02 | 1.02 | 0.9 | 0.85 | 0.88 | 0.8 | 0.76 | 0.71 | ||
Chemical Analysis(%) | Al2O3 | 92 | 88 | 82 | 75 | 62 | 55 | 50 | 47 | 44 | 35 | |
SiO2 | - | - | 10 | 10 | 29 | 40 | 43 | 45 | 50 | 55 | ||
Photo of Gunning Mass
- 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 refining processes?
- Monolithic refractories play a crucial role in enhancing the overall efficiency of ladle refining processes. These refractories, which are made from a single composition, offer superior thermal resistance and excellent erosion resistance. By lining the ladle with monolithic refractories, they help to maintain consistent temperatures, preventing heat loss and ensuring efficient heat transfer during the refining process. Additionally, their high erosion resistance minimizes the wear and tear caused by the aggressive nature of molten metal, leading to extended ladle lifespan and reduced downtime for repairs. Thus, monolithic refractories significantly contribute to the overall efficiency of ladle refining processes by optimizing heat management and maintaining ladle integrity.
- Q:What are the typical applications of monolithic refractories in the iron and steel industry?
- Monolithic refractories find several typical applications in the iron and steel industry. These include lining electric arc furnaces, ladles, tundishes, and various other equipment used in the production of iron and steel. Monolithic refractories are also commonly used for repairing and maintaining the linings of these equipment. Their high thermal conductivity, excellent resistance to thermal shock, and ability to withstand extreme temperatures make them ideal for these applications in the iron and steel industry.
- Q:How do monolithic refractories perform in blast furnace taphole applications?
- Monolithic refractories perform excellently in blast furnace taphole applications due to their high thermal resistance, mechanical strength, and resistance to chemical attack. They are able to withstand the extreme temperatures and abrasive conditions of the blast furnace discharge, ensuring reliable and efficient operation of the taphole. Additionally, monolithic refractories offer easy installation and maintenance, reducing downtime and improving overall productivity in the blast furnace.
- Q:How are monolithic refractories different from conventional refractories?
- There are several ways in which monolithic refractories differ from conventional refractories. To begin with, conventional refractories are typically constructed using pre-formed shapes like bricks or tiles, whereas monolithic refractories are shapeless and can be installed through casting, gunning, or ramming. This allows for greater design and installation flexibility since monolithic refractories can be molded to fit any complex shape or size requirement. Additionally, monolithic refractories possess a higher level of thermal shock resistance compared to conventional refractories. This means that they can withstand rapid temperature changes without cracking or spalling. This characteristic is especially significant in applications where the refractory is exposed to extreme temperature fluctuations, such as in furnaces or kilns. Moreover, monolithic refractories exhibit superior corrosion resistance, making them more suitable for environments with acidic or alkaline conditions. They are also renowned for their exceptional mechanical strength and resistance to abrasion, making them ideal for situations where the refractory experiences high mechanical stress or wear. Lastly, monolithic refractories offer enhanced energy efficiency due to their lower thermal conductivity. Consequently, they can retain heat more effectively, resulting in reduced energy consumption and cost savings. In summary, the key distinctions between monolithic refractories and conventional refractories lie in their installation methods, thermal shock resistance, corrosion resistance, mechanical strength, and energy efficiency. These factors establish monolithic refractories as the preferred choice in numerous industrial applications where flexibility, durability, and performance are of utmost importance.
- Q:How do monolithic refractories withstand thermal shock?
- Monolithic refractories possess unique properties and composition that enable them to endure thermal shock. Thermal shock occurs when there is a sudden alteration in temperature, leading to stress and potential damage to the refractory material. However, monolithic refractories are constructed to possess high resistance to thermal shock, and this is accomplished through various mechanisms. Firstly, the composition of monolithic refractories incorporates materials with low coefficients of thermal expansion. This implies that they undergo minimal alterations in size or volume when exposed to varying temperatures. This characteristic allows the refractory material to withstand thermal shock by minimizing the stress caused by temperature fluctuations. Secondly, monolithic refractories exhibit exceptional thermal conductivity. This quality enables them to efficiently transfer heat away from the hot regions, preventing localized overheating and diminishing the likelihood of thermal shock. The rapid dissipation of heat aids in maintaining a more even distribution of temperature within the refractory material, thereby reducing the chances of cracking or spalling. Furthermore, the binding agents employed in monolithic refractories play a vital role in enhancing their resistance to thermal shock. These binders provide strength to the refractory material and assist in preserving its integrity during thermal cycling. Additionally, the binders contribute to the refractory's ability to withstand thermal shock by reducing the permeability of the material, thus preventing the infiltration of hot gases or liquids that could cause damage. Moreover, the installation technique of monolithic refractories plays a significant role in their capacity to endure thermal shock. Typically, monolithic refractories are applied as a single, uninterrupted layer, eliminating the weak points such as joints and seams that exist in other refractory systems. This seamless installation method ensures superior resistance to thermal shock as there are no vulnerable points for cracks to propagate. In conclusion, monolithic refractories effectively withstand thermal shock through a combination of factors including their low coefficients of thermal expansion, high thermal conductivity, appropriate binding agents, and seamless installation techniques. These properties and design considerations enable monolithic refractories to proficiently handle rapid temperature changes and maintain their structural integrity, making them ideal for applications involving thermal cycling and extreme variations in temperature.
- Q:How do monolithic refractories resist corrosion and erosion in the iron and steel industry?
- Monolithic refractories in the iron and steel industry are designed to resist corrosion and erosion through a combination of their composition and application techniques. Firstly, the composition of monolithic refractories includes high-quality raw materials such as alumina, magnesia, and silica. These materials possess excellent resistance to corrosion and erosion. Alumina, for example, is highly resistant to chemical attack and can withstand high temperatures, making it ideal for protecting against the corrosive nature of the iron and steel industry. In addition to the choice of materials, the application techniques used in installing monolithic refractories also play a crucial role in their resistance to corrosion and erosion. Monolithic refractories are typically installed using various methods such as gunning, ramming, or casting. These techniques ensure a tight and seamless bond between the refractory and the steel structure, minimizing the chances of corrosion and erosion. Furthermore, monolithic refractories can be customized to suit the specific needs of different parts of the iron and steel industry. For example, areas exposed to molten metal require refractories with high thermal conductivity and excellent resistance to chemical attack. By tailoring the refractory to the specific application, it becomes more effective in resisting corrosion and erosion. Moreover, monolithic refractories are often designed with additives or binders that enhance their resistance to corrosion and erosion. These additives can provide additional protection against chemical attacks from molten metal or corrosive gases, making the refractory even more durable in harsh conditions. Overall, monolithic refractories resist corrosion and erosion in the iron and steel industry due to their composition, application techniques, customization, and the inclusion of additives. By combining these factors, monolithic refractories provide excellent protection to the steel structures, ensuring their longevity and efficiency in the challenging environments of the iron and steel industry.
- Q:How does the choice of monolithic refractory impact the overall cost of iron and steel production?
- The choice of monolithic refractory can significantly impact the overall cost of iron and steel production. Monolithic refractories are used to line the furnaces and other high-temperature areas in the production process, providing insulation and protection against extreme heat and chemical erosion. The cost of monolithic refractories varies depending on their composition, quality, and performance properties. Opting for high-quality monolithic refractories can increase their initial cost but can result in longer refractory lifespan, reduced downtime for repairs, and improved productivity. On the other hand, choosing lower-quality or inadequate refractories may save costs initially but can lead to frequent replacements, increased downtime, and decreased production efficiency. Additionally, monolithic refractories play a crucial role in energy efficiency. Using refractories with better insulation properties can help to reduce heat loss, leading to lower energy consumption and cost savings in the long run. Therefore, the selection of the right monolithic refractory is crucial in iron and steel production, as it directly impacts the overall cost by influencing refractory lifespan, productivity, maintenance, energy consumption, and overall operational efficiency.
- Q:How do monolithic refractories contribute to energy efficiency in iron and steel production?
- Monolithic refractories play a crucial role in enhancing energy efficiency in iron and steel production processes. These refractories are unshaped materials that are used to line the various components of furnaces, kilns, and other high-temperature equipment involved in the production of iron and steel. One way monolithic refractories contribute to energy efficiency is by providing excellent insulation. These materials have low thermal conductivity, which means they effectively reduce heat transfer from the furnace or kiln to the surrounding environment. By minimizing heat loss, monolithic refractories help maintain high temperatures within the production units, which in turn reduces the energy required to sustain the desired operating conditions. Furthermore, monolithic refractories offer superior resistance to thermal shock and wear, ensuring the longevity of the lining materials. This durability reduces the need for frequent repairs and replacements, leading to less downtime and increased operational efficiency. As a result, energy is conserved since the production units can continuously operate at optimal temperatures without interruptions. In addition, monolithic refractories have excellent resistance to chemical reactions, corrosion, and erosion caused by molten metals and slag. This resistance reduces the formation of cracks and defects in the lining, which can compromise the insulation and increase heat loss. By maintaining a robust and intact lining, monolithic refractories contribute to energy efficiency by minimizing heat escape and ensuring the efficient utilization of energy for the iron and steel production processes. Moreover, the use of monolithic refractories allows for design flexibility in the construction of furnaces and kilns. Their ability to be shaped and applied in various configurations enables the creation of optimized lining structures that enhance heat transfer and combustion efficiency. This flexibility empowers engineers and operators to design and modify the production units to maximize energy efficiency and minimize energy wastage. Overall, monolithic refractories contribute significantly to energy efficiency in iron and steel production by providing excellent insulation, durability, resistance to thermal and chemical degradation, and design flexibility. By reducing heat loss, minimizing repairs and replacements, and optimizing heat transfer, these refractories play a vital role in conserving energy and improving the overall sustainability of the iron and steel industry.
- Q:How do monolithic refractories improve the performance and efficiency of iron and steel production?
- Monolithic refractories improve the performance and efficiency of iron and steel production by providing superior thermal insulation and resistance to high temperatures. They help to minimize heat loss, enhance heat transfer, and reduce energy consumption during the production process. Additionally, monolithic refractories offer excellent resistance to chemical reactions and erosion caused by molten metal and slag, thus extending the lifespan of refractory linings and reducing maintenance requirements. Overall, their use in iron and steel production improves productivity, reduces downtime, and contributes to cost savings.
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Monolithic Refractories for Iron and Steel Industry:Gunning Mass Refractory Material
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20000 kg
- Supply Capability:
- 100000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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