Solving the Cracking Problem of Kiln Furniture in High-Frequency Heating Scenarios: Application Practice of Thermal Shock-Resistant Materials

21 12,2025
Sunrise
Industry Research
This article focuses on the application advantages of the cordierite kiln furniture under the 'Sunrise' brand launched by Zhengzhou Tianyang Refractory Materials Co., Ltd. in high-frequency heating industrial kilns. It reveals how its low creep rate and excellent thermal shock resistance effectively solve the cracking problem of kiln furniture. The article deeply analyzes the material science and structural design of the product, demonstrates its core technology for stable operation in the high-temperature environment from 1000ºC to 1300ºC, and combines practical industrial kiln support system cases to elaborate on its significant value in improving production efficiency and reducing maintenance costs. This content provides scientific refractory material selection references for procurement decision-makers and technical teams, helping enterprises achieve long - lasting equipment performance and market competitive advantages.
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In the high - temperature industrial sector, the performance of kiln furniture plays a crucial role in ensuring the efficiency and durability of industrial kilns. Operating in an environment ranging from 1000ºC to 1300ºC, kiln furniture faces numerous technical challenges that can significantly impact production.

The Significance and Challenges of High - Temperature Industrial Kiln Furniture

High - temperature industrial kiln furniture is the backbone of many manufacturing processes. It provides support for products during firing, ensuring uniform heating and maintaining the shape of the products. However, the harsh high - temperature environment poses two major challenges: high creep rate and poor thermal shock tolerance. A high creep rate can cause the kiln furniture to deform over time, leading to uneven heating and product quality issues. Poor thermal shock tolerance often results in cracking of the kiln furniture, which not only shortens its service life but also increases maintenance costs and production downtime.

Illustration of high - temperature industrial kiln

Technical Innovations in Zhengzhou Tianyang's Cordierite Kiln Furniture

Zhengzhou Tianyang Refractory Materials Co., Ltd., under its "Sunrise" brand, has introduced cordierite kiln furniture that effectively addresses these challenges. From a materials science perspective, the selection of cordierite as the base material is a key factor. Cordierite has a low coefficient of thermal expansion, which is fundamental to achieving low creep rate and high thermal shock tolerance.

Low Creep Rate

The low creep rate of Tianyang's cordierite kiln furniture is achieved through a unique material composition and advanced manufacturing process. By carefully controlling the crystal structure and grain size of the cordierite, the movement of atoms under high - temperature conditions is restricted, resulting in a creep rate of less than 0.5% after 50 hours at 1200ºC. This low creep rate ensures that the kiln furniture maintains its shape and structural integrity over a long period, providing stable support for products in the kiln.

Excellent Thermal Shock Tolerance

In terms of thermal shock tolerance, the cordierite kiln furniture can withstand rapid temperature changes without cracking. Its thermal shock resistance is tested by heating the kiln furniture to 1200ºC and then quenching it in water. The kiln furniture can endure more than 50 such cycles without visible cracks. This excellent performance is attributed to the material's ability to absorb and dissipate thermal stress through its internal structure.

Structure analysis of cordierite kiln furniture

Practical Applications and Benefits

In various industrial kiln support systems, Zhengzhou Tianyang's cordierite kiln furniture has demonstrated remarkable value. For example, in a ceramic manufacturing plant, the traditional kiln furniture needed to be replaced every 3 months due to cracking and deformation. After switching to Tianyang's cordierite kiln furniture, the replacement cycle was extended to more than 12 months. This not only reduced the maintenance cost by 70% but also increased the production efficiency by 20% as there was less downtime for kiln furniture replacement.

Selection Guide for Purchasers

When selecting high - temperature kiln furniture, purchasers should consider factors such as creep rate, thermal shock tolerance, and chemical stability. For applications in the temperature range of 1000ºC to 1300ºC, Tianyang's cordierite kiln furniture with its low creep rate and excellent thermal shock tolerance is an ideal choice. Additionally, the company provides customized solutions based on specific customer requirements, ensuring that the kiln furniture can perfectly fit into different industrial kiln systems.

Industrial kiln with Tianyang's cordierite kiln furniture

Conclusion and Call to Action

In conclusion, Zhengzhou Tianyang's cordierite kiln furniture offers a revolutionary solution to the challenges faced by high - temperature industrial kiln furniture. Its technical innovations in achieving low creep rate and excellent thermal shock tolerance have significantly improved the performance and service life of kiln furniture, bringing substantial benefits to industrial production. Choose Zhengzhou Tianyang and achieve an efficient and long - lasting industrial kiln furniture solution.

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