In the high - temperature firing process of ceramic products, the uneven heat conduction of the tray often leads to common defects in ceramic products, such as warping and cracking. These defects not only reduce the production efficiency but also have a significant impact on the yield rate. For example, in some traditional ceramic production processes, the yield rate may be affected by up to 20% due to these problems.
The uneven heat conduction of the tray is mainly caused by its geometric structure. The scientific design of the groove distribution and thickness gradient of the composite corundum - mullite tray can significantly improve the uniformity of heat conduction. Let's first look at the groove distribution. Grooves on the tray can promote air - flow circulation. When the air in the kiln circulates through these grooves, it can carry heat more evenly to all parts of the tray, thus achieving a more balanced heat transfer. According to experimental data, a well - designed groove distribution can increase the heat transfer efficiency by about 15%.
The thickness gradient design of the tray is also crucial. Different areas of the tray are exposed to different temperatures during the firing process. By designing a reasonable thickness gradient, the tray can better match the temperature difference requirements of different areas. For example, in areas with higher temperatures, a thinner tray thickness can be designed to speed up heat transfer, while in areas with lower temperatures, a slightly thicker thickness can be used to store more heat. This design can effectively reduce the temperature difference across the tray surface, minimizing the risk of ceramic warping.
In addition to the geometric structure, the installation method of the tray also has an important impact on heat conduction. Optimizing the stacking spacing and the layout of positioning holes can work in synergy with the kiln car thermal field. A proper stacking spacing allows for better air circulation between trays, while a reasonable positioning hole layout ensures that the trays are accurately placed in the kiln, further improving the overall heat conduction consistency. As an experienced kiln engineer said, "A good installation method can make the heat conduction of the entire kiln system more stable and efficient."
Let's look at a real - world application case. A ceramic factory adopted our composite corundum - mullite tray design solution. After implementation, the factory saw a 12% increase in the yield rate, and the deformation rate dropped to below 3%. This significant improvement in production efficiency and product quality clearly demonstrates the effectiveness of our tray design.
To ensure the effectiveness of the tray design, on - site detection methods are also essential. Technicians often use infrared temperature measurement and thermal imaging analysis to monitor the temperature distribution of the tray during the firing process. These methods can quickly identify areas with abnormal temperatures, allowing for timely adjustments. For example, if an area on the tray shows a significantly higher or lower temperature, technicians can adjust the firing parameters or the tray's installation position to correct the problem.
Our composite corundum - mullite tray has successfully served many leading ceramic enterprises. If you are also troubled by the problems of uneven heat conduction in ceramic firing, don't miss this opportunity to improve your production process. Click here to learn more about the product features and application scenarios of our composite corundum - mullite tray and take a step towards more efficient and stable ceramic firing!
