As a supplier of link conveyors, I've witnessed firsthand the significant impact that humidity can have on their operation. Link conveyors are essential in various industries, facilitating the smooth movement of materials from one point to another. However, humidity, often an overlooked environmental factor, can introduce a range of challenges that affect their performance, efficiency, and longevity.
1. Impact on Material Handling
Humidity can drastically alter the properties of the materials being transported on link conveyors. For instance, in industries dealing with granular or powdery substances like cement, flour, or sand, high humidity can cause these materials to clump together. When the air is saturated with moisture, the water molecules adhere to the surface of the particles, creating a sticky layer that promotes agglomeration. This clumping not only disrupts the uniform flow of materials on the conveyor but can also lead to blockages in the conveyor system. As a result, the conveyor may experience increased wear and tear due to the uneven distribution of the load, potentially leading to premature failure of components such as the links, chains, and bearings.
On the other hand, in extremely dry conditions (low humidity), some materials may become more prone to static electricity. Static charges can cause the materials to stick to the conveyor surface or to each other, again disrupting the flow. In industries where precision is crucial, such as the pharmaceutical or electronics sectors, these issues can have a significant impact on product quality and production efficiency.
2. Effects on Conveyor Components
The components of a link conveyor are also directly affected by humidity. Metal parts, which are commonly used in the construction of link conveyors, are susceptible to corrosion in high - humidity environments. When the relative humidity exceeds a certain threshold (usually around 60 - 70%), the moisture in the air can react with the metal surface, forming rust. Rust not only weakens the structural integrity of the components but can also cause them to seize up or malfunction. For example, the links and chains of the conveyor may become stiff and difficult to move, increasing the energy consumption of the conveyor and reducing its overall efficiency.
Plastic components, which are often used for their lightweight and corrosion - resistant properties, can also be affected by humidity. High humidity can cause plastic to absorb moisture, leading to swelling and a change in its mechanical properties. This can result in misalignment of the conveyor parts, increased friction, and potential damage to the conveyor system.
3. Influence on Conveyor Belt Performance
The conveyor belt, a critical part of the link conveyor system, is also influenced by humidity. In high - humidity conditions, the belt may become slippery. This is particularly problematic when the conveyor is transporting heavy or bulky materials, as it can lead to material slippage and reduced conveying capacity. The increased moisture can also cause the belt to stretch or deform over time, affecting its tracking and alignment on the conveyor.
In low - humidity environments, the conveyor belt may become brittle. The lack of moisture can cause the rubber or other materials in the belt to dry out, leading to cracking and reduced flexibility. This can result in belt breakage, which not only disrupts production but also poses a safety hazard in the workplace.
4. Maintenance and Operational Considerations
Given the impact of humidity on link conveyor operation, proper maintenance and operational strategies are essential. In high - humidity environments, regular inspection and cleaning of the conveyor components are necessary to prevent corrosion and material buildup. Applying anti - corrosion coatings to metal parts can help protect them from rust. Additionally, installing dehumidifiers in the conveyor area can help control the humidity levels and reduce the risk of damage to the conveyor system.
In low - humidity environments, humidifiers can be used to maintain an optimal level of moisture in the air. Lubrication of the conveyor components is also crucial to reduce friction and prevent static electricity buildup. Regular monitoring of the conveyor's performance, including its speed, load capacity, and energy consumption, can help detect any issues early and allow for timely maintenance.
5. Industry - Specific Examples
Different industries face unique challenges related to humidity and link conveyor operation. In the food industry, for example, high humidity can promote the growth of mold and bacteria on the conveyor surfaces, posing a significant risk to food safety. Therefore, strict hygiene standards and humidity control measures are necessary to ensure the quality of the products.
In the mining industry, link conveyors are often exposed to harsh environmental conditions, including high humidity. The conveyor systems need to be designed to withstand the corrosive effects of moisture and the abrasive nature of the materials being transported. Specialized coatings and materials can be used to enhance the durability of the conveyor components in these challenging environments.
6. Related Equipment and Solutions
When dealing with the challenges posed by humidity in link conveyor operation, it's important to consider related equipment that can help mitigate these issues. For example, Crawler Type Mobile Stacker Reclaimer can be used in conjunction with link conveyors to handle bulk materials more efficiently. These stacker reclaimers are designed to stack and reclaim materials in a controlled manner, reducing the exposure of the materials to the environment and minimizing the impact of humidity on the conveying process.
Bridge Bucket Wheel Stacker Reclaimer and Gantry Bucket Wheel Stacker Reclaimer are also valuable equipment in industries where large - scale material handling is required. They can be integrated with link conveyors to create a comprehensive material handling system that is more resilient to the effects of humidity.


7. Conclusion and Call to Action
In conclusion, humidity has a profound influence on link conveyor operation, affecting both the materials being transported and the conveyor components themselves. By understanding these impacts and implementing appropriate maintenance and operational strategies, companies can ensure the reliable and efficient operation of their link conveyor systems.
If you're facing challenges related to humidity and link conveyor operation in your industry, don't hesitate to reach out. Our team of experts is ready to provide you with customized solutions and high - quality link conveyors that can withstand the effects of humidity. Contact us today to discuss your specific requirements and explore how we can help optimize your material handling processes.
References
- ASM Handbook, Volume 13A: Corrosion: Fundamentals, Testing, and Protection. ASM International.
- Perry's Chemical Engineers' Handbook. McGraw - Hill Education.
- Conveyor Equipment Manufacturers Association (CEMA) standards.






