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TechnologyOur proprietary formulations and production technologies for low-dimensional nano insulation panels have contributed to advancements in high-temperature thermal insulation materials.
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ProductWe provide end-to-end services—from R&D and manufacturing to sales and installation—delivering fully integrated solutions tailored to your needs.
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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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About UsSanhe New Material is a nationally recognized high-tech enterprise and a "Specialized, Refined, and Innovative" enterprise in Henan Province.
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Cement Kiln
In the cement industry, beyond the equipment itself, one of the most critical factors is the energy consumption and heat loss of the kiln system. In a typical clinker production line, the rotary kiln operates continuously at temperatures exceeding 1000°C. Heat dissipation from the kiln shell not only wastes energy, but also directly impacts production efficiency and equipment lifespan.
In recent years, more and more manufacturers have turned their attention to an advanced insulation material: nano insulation boards/Microporous Insulation Boards.
What Do Microporous Insulation Boards Actually Solve?
In cement kiln applications, nano insulation boards address two key challenges:
Reducing heat loss
Lowering external shell temperature
Traditionally, kiln insulation relies on materials such as lightweight refractory bricks, ceramic fiber, and calcium silicate boards. However, under prolonged high-temperature operation, these materials tend to experience an increase in thermal conductivity, leading to a gradual decline in insulation performance.
Nano insulation boards, on the other hand, offer a significant advantage:
Ultra-low thermal conductivity
As low as 0.020 W/(m·K) at room temperature
Remaining below 0.032 W/(m·K) even at 800°C
Up to 80% lower than conventional insulation materials
Excellent high-temperature stability
Linear shrinkage rate below 2%
Maintains structural integrity without deformation or collapse under high heat.
Real Impact in Kiln Operation
In practical kiln operation, these properties translate into clear and measurable benefits:
- Significant reduction in kiln shell temperature
(typically reduced by 30–80°C in many projects) - Improved heat retention inside the kiln
resulting in higher combustion efficiency - Lower energy consumption per ton of clinker
especially noticeable in retrofit and upgrade projects for existing production lines
Comparison Item | Conventional Materials | Sanhe Nano Insulation Board | Advantages |
Thickness required to achieve the same insulation performance | 100 mm | 20–30 mm | Saves over 70% space |
Thermal conductivity at 600°C | 0.15–0.25 W/(m·K) | < 0.027 W/(m·K) | Reduces heat loss by over 70% |
Project cost | Baseline | Overall cost reduced by 30–50% | Significantly improved economic efficiency |
Typical Application Areas in Cement Kiln Systems
Nano insulation boards are not designed to be used throughout the entire kiln system. Instead, they are applied in the most critical—and most energy-intensive—areas:
Kiln Hood & Kiln Tail (Inlet/Outlet Sections)
These areas experience intense heat flow and are where traditional insulation materials are most likely to fail.
After applying nano insulation boards:
- Improved hot air recovery efficiency
- Lower shell temperature, creating a safer and more comfortable working environment
- Reduced structural deformation caused by prolonged high temperatures
Preheater & Calciner Key Sections
Components such as cyclone separators and calciner connection ducts are subject to large temperature fluctuations and strong gas flow erosion, placing high demands on insulation materials.
Nano insulation boards offer:
- Excellent thermal shock resistance
- Stable insulation performance over time (no significant degradation)
- Compatibility with traditional refractory materials as part of a composite lining system, rather than a full replacement
Thinner Design, Better Performance
One of the key advantages of nano insulation boards is that they deliver superior insulation with reduced thickness.
This is especially important in kiln retrofit projects. Many older production lines have limited space, where increasing insulation thickness would require structural modifications. Nano insulation boards allow for direct insulation upgrades without major equipment changes, making them highly practical for modernization projects.
Key Concerns for Cement Plant Operators
Can It Really Reduce Energy Consumption?
Yes—but only when applied strategically in critical areas, rather than across the entire system.
With proper design, most projects achieve an overall energy saving of 1%–3%, which is highly significant in the cement industry.
What About Service Life?
Nano insulation boards themselves are highly stable, but they are typically used as part of a multi-layer composite lining system.
With proper design (including protection against mechanical pressure and chemical erosion), their service life can match the campaign life of the refractory lining.
Is the Cost Too High?
While the unit price is higher than traditional materials, the overall operational cost can be reduced by 30%–50% due to:
Lower fuel consumption
Reduced maintenance frequency
Extended equipment lifespan
In many cases, the investment can be recovered within 1–2 years, especially in regions with high energy costs.
Sanhe Nano Insulation Boards in Cement Industry Applications
In the cement industry, our low-dimensional nano insulation boards have been widely adopted across China, serving hundreds of production lines for leading cement groups such as China National Building Material Group, Anhui Conch Cement, BBMG Corporation, Huaxin Cement, China Resources Cement, Red Lion Cement, Taiwan Cement Corporation, Shanshui Cement Group, Tianrui Group Cement, Tapai Group, Wannianqing Cement, and Jinglan Cement.
Our solutions are applied across key high-temperature process equipment, including preheaters, calciners, tertiary air ducts, kiln hoods, and clinker coolers.
Proven Performance in Real Applications
- Calciner & preheater surface temperature reduced by 40–60°C
→ Heat loss reduced by over 50% - Tertiary air temperature increased by 15–25°C
→ Significantly improving overall kiln system thermal efficiency - Clinker cooler heat recovery efficiency improved
→ Noticeable increase in secondary air temperature - Extended maintenance intervals
→ Lower overall maintenance and operating costs
Conclusion
As energy efficiency and cost reduction become increasingly critical in the cement industry, nano insulation boards are not about replacing traditional materials entirely—but about enhancing insulation performance where it matters most.
If you are planning a cement kiln energy-saving upgrade or looking to optimize your existing thermal system, nano insulation boards are a solution well worth evaluating.
Feel free to contact us for detailed technical consultation or project support!
High heat loss, poor insulation and short lifespan of ceramic fiber & calcium silicate boards.
SH400 Nano Insulation Board.
Better thermal performance, lowering heat loss and maintenance frequency.
Contact Information
Luoyang Sanhe New Material Technology Co., Ltd.
Address: No.26 Anshangwei Road, Shangcheng Strt., Yanshi District, Luoyang, Henan, China
Main Products: SH400 nano insulation board, corrosion-resistant vermiculite insulation board, battery insulation pads
Phone: +86-15138766787
Email: irenewang@lyshxcl.com
Nantong Zhongbao Energy Saving Technology Co., Ltd.
Address: High-tech Zone, Hai'an City, Jiangsu Province
Main Products: SH950 and SH1150 nano insulation boards
Yanshi Subsidiary
Address: Goushi Town, Yanshi District, Luoyang City
Main Products: SH550 nano insulation board
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Empowering global high-temperature industries with energy-efficient thermal insulation solutions
HUATAO GROUP
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No.26 Anshangwei Road, Shangcheng Strt., Yanshi District, Luoyang, Henan, China
Email: irenewang@lyshxcl.com
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