Beijing North Refractories Co., Ltd.
Beijing North Refractories Co., Ltd.

Is Your Furnace Burning Cash? — Stop Losing Heat and Start Saving Energy!

Oct 28 , 2025

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    The Hidden Cost of High Conductivity and Heat Loss

    In aluminum melting and holding operations, energy consumption is often the largest operating expense. Traditional refractory castables and dense bricks have inherently high thermal conductivity. This means vast amounts of heat energy escape through the furnace walls, translating directly into two major problems:


    Energy Drain & Safety Hazard: Your heating equipment must constantly compensate for this heat loss, leading to excessive energy bills and high greenhouse gas emissions. Furthermore, the high temperatures transferred to the furnace's exterior shell create a safety hazard for personnel and contribute to an uncomfortable working environment.


    Unstable Process Temperature: Poor insulation, particularly in long transfer launders and holding furnaces, causes the molten aluminum's temperature to drop rapidly and unpredictably. This instability severely compromises the quality of your finished castings, leading to higher scrap rates and inconsistent mechanical properties.



    Solution: Ultra-Low Conductivity for Maximum Thermal Efficiency


    Solution A: Significant Energy Savings Guaranteed

    Our High-Density Calcium Silicate Board is a powerhouse of thermal efficiency. Its ultra-low thermal conductivity is far superior to conventional materials, allowing it to act like a thermal barrier that "locks" the heat inside the melt. By drastically reducing heat dissipation through the furnace walls, clients typically achieve energy savings of 15% or more, providing an immediate and substantial reduction in utility costs.

    Solution B: Stable Temperature, Premium Quality

    Using our boards for your insulation and lining systems ensures unparalleled temperature stability throughout the entire casting process—from the holding furnace to the mold. Consistent aluminum temperature minimizes thermal shock and solidification defects, lowering your scrap rate and guaranteeing high-quality, precise castings that meet the strictest industry standards. The exterior shell temperature is also significantly reduced, enhancing workplace safety and comfort.




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