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ApplicationSanhe has accumulated hundreds of successful engineering cases across industries such as cement, electrolytic aluminum, new energy EV, energy storage ESS, and other high-temperature industrial sectors.
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Application of Sanhe Nano Insulation Panels in a 300T Ladle
【Summary】 The ladle is a critical component in the steelmaking process, and its insulation performance and service life directly affect steel quality, production efficiency, and energy consumption. Under the “dual carbon” goals, reducing ladle shell temperature and minimizing molten steel temperature loss have become key challenges for steel producers.
The ladle is a critical component in the steelmaking process, and its insulation performance and service life directly affect steel quality, production efficiency, and energy consumption. Under the “dual carbon” goals, reducing ladle shell temperature and minimizing molten steel temperature loss have become key challenges for steel producers.
To address these challenges, Sanhe has developed nano insulation panels specifically designed for ladles. Made from advanced nano-scale inorganic materials, these panels offer insulation performance approximately 3–4 times better than conventional fiber-based materials. They feature low thermal conductivity, lightweight structure, reduced thickness, high-temperature stability, and low shrinkage. The panels are vacuum-packed with aluminum foil and can be easily cut and installed on-site.
Application Overview
In a 300-ton ladle project at a major steel plant, Sanhe nano insulation panels were applied as part of the insulation layer. Field results demonstrated:
Tight bonding with the ladle shell and permanent lining
No signs of burning, powdering, or structural degradation
Stable performance under high-temperature and high-pressure conditions
Performance Results
Significant reduction in shell temperature: decreased by at least 50°C from over 340°C
Improved structural integrity: reduced deformation and cracking of the permanent lining
Extended service life: longer lifespan of ladle and refractory materials
Reduced heat loss: minimized temperature drop during molten steel transfer
Lower energy consumption: reduced energy use in RH and LF refining processes
Enhanced operational stability: improved conditions for continuous casting
Market Applications
Sanhe’s ladle nano insulation panels have been widely adopted by major steel producers, including Xianggang, Rizhao Steel, Tangshan Steel, Liuzhou Steel, Kunming Steel, Shaanxi Steel, Jianlong Group, and Linsteel. The products have also been exported to steel plants in Vietnam, Malaysia, and Ethiopia, earning strong customer recognition.
About Sanhe
Luoyang Sanhe New Materials Technology Co., Ltd. is a National High-Tech Enterprise and a “Specialized and Innovative” company in Henan Province. With production bases in Henan and Jiangsu, Sanhe offers a full range of nano microporous insulation materials.
Backed by a professional R&D and engineering team, Sanhe provides customized thermal insulation solutions based on detailed thermal calculations, helping customers achieve energy efficiency, cost reduction, and improved operational performance.
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