Are Link Conveyors Suitable for High - Temperature Environments?
As a supplier of link conveyors, I often get asked about the suitability of our products in high - temperature environments. High - temperature settings can be found in various industries such as steel manufacturing, foundries, glass production, and cement plants. In these industries, the ability of equipment to withstand extreme heat is crucial for maintaining efficient operations.
Link conveyors, also known as chain conveyors, are a type of conveyor system that uses chains to move materials along a path. They are known for their durability, strength, and ability to handle heavy loads. But how do they fare in high - temperature environments?
Understanding the Challenges of High - Temperature Environments
High - temperature environments pose several challenges to conveyor systems. First and foremost is the issue of thermal expansion. As materials heat up, they expand, and if the conveyor components are not designed to accommodate this expansion, it can lead to jamming, misalignment, and premature wear.


Another challenge is the effect of heat on the materials used in the conveyor. High temperatures can cause metals to lose their strength and hardness, leading to deformation and failure. Lubricants can also break down at high temperatures, increasing friction and wear on moving parts.
In addition, high - temperature environments are often associated with dust, debris, and corrosive substances. These contaminants can further exacerbate the wear and tear on the conveyor system, reducing its lifespan and reliability.
Design Features of Link Conveyors for High - Temperature Use
To address these challenges, link conveyors designed for high - temperature environments incorporate several key features.
- Heat - Resistant Materials: The chains and other components of the conveyor are made from heat - resistant materials such as alloy steels. These materials can maintain their strength and hardness at elevated temperatures, reducing the risk of deformation and failure. For example, some high - temperature link conveyors use chains made from special stainless steels that can withstand temperatures up to 1000°C.
- Thermal Expansion Compensation: The conveyor design allows for thermal expansion. This can be achieved through the use of loose - fitting joints, expansion loops, or adjustable frames. These features ensure that the conveyor can expand and contract without causing damage to the system.
- Effective Lubrication Systems: Special high - temperature lubricants are used to reduce friction and wear on the moving parts. These lubricants are designed to withstand high temperatures without breaking down, ensuring smooth operation of the conveyor.
- Sealing and Protection: The conveyor is equipped with seals and guards to prevent dust, debris, and corrosive substances from entering the system. This helps to protect the internal components from damage and extends the lifespan of the conveyor.
Case Studies: Link Conveyors in High - Temperature Industries
Let's take a look at some real - world examples of link conveyors in high - temperature environments.
In a steel manufacturing plant, link conveyors are used to transport hot steel billets from the furnace to the rolling mill. The high - temperature environment in the plant requires conveyors that can withstand temperatures up to 800°C. Our link conveyors, with their heat - resistant chains and thermal expansion compensation features, have been able to operate reliably in this harsh environment, reducing downtime and maintenance costs.
In a glass production facility, link conveyors are used to move hot glass products from the annealing lehr to the packaging area. The conveyors need to be able to handle the high temperatures and the delicate nature of the glass products. Our link conveyors, with their gentle handling capabilities and high - temperature resistance, have proven to be an ideal solution for this application.
Comparing Link Conveyors with Other Conveyor Types in High - Temperature Environments
When considering conveyor systems for high - temperature environments, it's important to compare link conveyors with other types of conveyors.
Bridge - type Scraper Reclaimer are often used in bulk material handling applications. While they can handle high - temperature materials, they may not be as suitable for applications where precise material handling is required. Bridge - type scraper reclaimers are more prone to wear and tear in high - temperature environments, especially in the presence of abrasive materials.
Link Conveyors offer better control over the movement of materials and are more durable in high - temperature settings. They can handle a wider range of load sizes and shapes, making them a more versatile option for many high - temperature applications.
Telescopic Mobile Belt Conveyor are commonly used for loading and unloading materials. However, the belts used in these conveyors can be damaged by high temperatures, and they may require frequent replacement in high - temperature environments. Link conveyors, on the other hand, do not have this issue, as their chains are more heat - resistant.
Limitations of Link Conveyors in High - Temperature Environments
While link conveyors have many advantages in high - temperature environments, they also have some limitations.
One limitation is the initial cost. Link conveyors designed for high - temperature use are often more expensive than standard conveyors due to the use of special materials and design features. However, it's important to consider the long - term cost savings in terms of reduced maintenance and downtime.
Another limitation is the complexity of installation and maintenance. High - temperature link conveyors require more precise installation and regular maintenance to ensure optimal performance. This may require specialized knowledge and skills, which can add to the overall cost of ownership.
Conclusion
In conclusion, link conveyors can be a suitable choice for high - temperature environments. With their heat - resistant materials, thermal expansion compensation features, and effective lubrication systems, they can operate reliably in harsh high - temperature conditions. However, it's important to carefully consider the specific requirements of your application and compare link conveyors with other conveyor types before making a decision.
If you are looking for a conveyor system for your high - temperature application, I encourage you to contact us to discuss your needs. Our team of experts can provide you with detailed information and help you select the right conveyor solution for your business.
References
- "Conveyor Handbook" by Conveyor Manufacturers Association
- "Materials Science and Engineering: An Introduction" by William D. Callister Jr. and David G. Rethwisch
- Industry reports on high - temperature conveyor applications in steel, glass, and cement industries.






