In noisy industrial environments, noise not only affects worker health but can also lead to community complaints. Ceramic fibre blankets are not only excellent at thermal insulation and fireproofing but can also act as ‘sound-absorbing wonders,’ bringing quietness and efficiency to factories! CVSIC will reveal their sound insulation principles, practical applications, and compare them with other materials to help you create a quiet and energy-efficient working environment.
Sound Insulation Principles of Ceramic Fibre Blankets
The sound absorption ‘magic’ of CVSIC ceramic fibre blankets stems from their microporous fibre structure:
- Microporous sound absorption: The countless tiny pores within the blanket capture and dissipate sound wave energy, particularly effective for mid-to-high-frequency noise (500-2000 Hz).
- Low-density advantage: With a density of 64–170 kg/m³ (e.g., CV1260 at 128 kg/m³), sound wave propagation is hindered, reducing noise transmission.
- High-temperature compatibility: Unlike traditional soundproofing materials, CVSIC ceramic fibre blankets maintain their sound absorption performance at high temperatures (1050–1600°C), making them suitable for high-temperature applications such as industrial furnaces and pipelines.
Data support:
- CV1260 (128 kg/m³, 20 mm thick): reduces noise by 10–15 decibels (at 1000 Hz).
- CV1600 (170 kg/m³, 25 mm thick): achieves noise reduction of up to 18 decibels, suitable for high-noise environments.
Soundproofing Application Cases
CVSIC ceramic fibre blankets demonstrate convincing noise reduction performance in industrial applications. The following are real-world examples:
Case 1: Noise Reduction in Power Plant Boilers
Background: A power plant boiler in southern China operated at a noise level of 85 decibels, affecting nearby residents. The client sought a solution that strikes a balance between insulation and noise reduction.
CVSIC Solution: We recommend CVSIC CV1260 (1260°C, density 128 kg/m³, thermal conductivity 0.15 W/m·K at 600°C), 20 mm thick, installed on the outer wall of the boiler, with seams treated using CVSIC high-temperature-resistant sealant.
Results:
- Noise levels reduced from 85 decibels to 70 decibels, meeting environmental standards.
- Heat loss reduced by 10%, saving approximately 800,000 RMB in annual energy costs.
- Customer feedback: ‘CVSIC blankets make our boilers quiet and energy-efficient, and community complaints have disappeared!’
Case Study 2: Noise Reduction in Petrochemical Plant Pipelines
Background: High-temperature pipelines (operating at a temperature of 1400°C) at a petrochemical plant in Southeast Asia produced noise levels of 90 decibels, necessitating the use of earplugs by workers.
CVSIC Solution: CVSIC CV1430 (1,430°C, density 140 kg/m³, containing 15-17% zirconia) was used, with a thickness of 30 mm, wrapped around the pipeline and secured with CVSIC metal mesh.
Results:
- Noise reduced to 72 decibels, improving worker comfort.
- Pipe thermal efficiency improved by 15%, extending pipe lifespan by approximately 20%.
- Customer feedback: ‘CVSIC’s solution has made our work environment more pleasant and improved efficiency!’
Comparison of ceramic fibre blankets with other soundproofing materials
CVSIC ceramic fiber blankets stand out in high-temperature sound insulation applications. Here’s a detailed comparison with rock wool and glass wool:
| Characteristic | CVSIC Ceramic Fiber Blanket | Rock Wool | Glass Wool |
| Temperature Resistance (°C) | 1050-1600 | 600-1000 | 400-600 |
| Noise Reduction (decibels) | 10-18 (1000 Hz) | 12-20 (low frequency superior) | 8-15 |
| Density (kg/m³) | 64-170 | 80-200 | 20-100 |
| Chemical Stability | Excellent (acid/alkali resistant) | Moderate | Poor |
| Construction Ease | High (easy to cut) | Moderate | High |
| Cost | Medium-high | Medium | Low |
- Compared to rock wool, CVSIC ceramic fibre blankets provide higher temperature resistance (up to 1600°C compared to 1000°C for rock wool), making them more suitable for furnaces and kilns. While rock wool is more effective for low-frequency noise, ceramic fibre blankets offer superior chemical stability for harsh environments.
- Compared to glass wool, CVSIC blankets deliver much better chemical stability and temperature resistance. This makes them more suitable for environments with acidic or alkaline conditions. In contrast, glass wool is cost-effective but is not suitable for high-temperature use.
- CVSIC Advantages: Excellent high-temperature sound insulation; when paired with sealant and fasteners, performance is further enhanced.
Installation Recommendations for Optimised Sound Insulation
Ensure proper installation by selecting an appropriate thickness (20–30 mm, e.g., CV1260 or CV1430) to suit most noise reduction needs.
- Increasing thickness can improve noise reduction by 5–10%.
- Adhere blankets closely to equipment surfaces and seal seams with high-temperature-resistant sealant to prevent sound leaks.
- For high-noise areas, stack two layers with staggered seams for up to 15% more noise reduction.
- Combine with rock wool or soundproofing panels for low-frequency noise below 500 Hz.
- Inspect every six months for damage or loosening, and make any necessary repairs to maintain optimal performance.
Conclusion
CVSIC ceramic fibre blankets are the ideal choice for high-temperature soundproofing. From power plants to petrochemical plants, our case studies demonstrate their dual capabilities in noise reduction and energy efficiency! Whether you aim to reduce noise, improve efficiency, or enhance the work environment, CVSIC can tailor a solution to your needs. We offer free soundproofing test reports or can connect you with our engineering team for composite soundproofing solutions, making your factory quieter and more efficient!
Frequently Asked Questions
1. Is the soundproofing effect of ceramic fibre blankets suitable for factories?
Ceramic fibre blankets reduce noise by 10-18 decibels in power plants and petrochemical facilities. Try our free soundproofing test!
Yes! A thickness of 20–30 mm is optimal for noise reduction. Custom options available—contact us for tailored recommendations!
3. How can low-frequency noise reduction be improved?
For low-frequency noise, combining with rock wool or soundproofing panels can increase effectiveness by 20%. Consult our engineers for tailored solutions!
