A kiln support roller is an essential component of a rotary kiln, which is a large cylindrical device used in various industrial processes such as cement production, lime production, and other thermal treatments. The support roller is a mechanical part that helps the kiln barrel rotate smoothly and evenly by providing support and reducing friction.The support roller is typically made of cast steel or ductile iron and is mounted on a shaft that spans the width of the kiln. It is positioned underneath the kiln barrel and runs along the length of the kiln. The number of support rollers depends on the size and design of the kiln.
Item |
Kiln support roller |
Weight |
6-45T |
Material |
ZG35CrMo, ZG42CrMo, ZG340-640, etc. |
Used for |
Rotary kiln, ball mill, vertical roller mill, cement mill |
Application |
Cement, metallurgy, chemical, construction, etc. |
Standard |
ASTM, JIS, GOST, DIN, BS, WCB, etc. |
Certification |
ISO9001:2008 |
Heat treatment |
Normalizing, tempering, annealing, etc. |
Inspection |
Appearance, dimension, chemical composition, mechanical property, NDT(MT, UT, PT, etc.) |
Delivery status |
Rough machining; finished machining |
Load-bearing: The support roller bears the weight of the kiln barrel, the material being processed, and any associated equipment mounted on the kiln.
Axial guidance: The support roller helps maintain the axial alignment of the kiln barrel, preventing excessive movement or misalignment during operation.
Rotational support: As the kiln rotates, the support roller enables smooth and even rotation by reducing friction between the kiln barrel and the supporting structure.
Thermal expansion compensation: The support roller is designed to accommodate the thermal expansion of the kiln barrel, which occurs due to the high temperatures inside the kiln during operation.
kiln support rollers are typically made of high-quality steel or a steel alloy. The exact material used may vary depending on the specific requirements of the application, but some common materials include:
Carbon Steel: Carbon steel is a popular material for rotary kiln support rollers due to its strength and durability. It is also relatively low-cost, making it a cost-effective option for many applications.
Alloy Steel: Alloy steel is another common material used for rotary kiln support rollers. It contains additional alloying elements such as chromium, nickel, or molybdenum, which provide improved strength, durability, and resistance to wear and corrosion.
Stainless Steel: Stainless steel is a corrosion-resistant material that is commonly used in applications where high temperatures and harsh environments are present. It is also highly durable and resistant to wear, making it a good choice for rotary kiln support rollers.
Kiln Support rollers are important components used in various industrial applications, particularly in machinery and equipment where rotational movement is involved. Here are some features and advantages of support rollers:
Load-bearing capacity: Support rollers are designed to withstand heavy loads and provide reliable support for rotating or moving components. They are capable of handling substantial radial and axial loads, making them suitable for demanding applications.
Rotational support: Support rollers offer stable and smooth rotational support to shafts, cylinders, or other components. They help reduce friction and ensure efficient and precise movement, even under high loads or in challenging operating conditions.
Versatility: Support rollers come in different configurations and designs to accommodate a wide range of applications. They can be used in various industries, including material handling, conveyor systems, printing, packaging, automotive, and more.
Durability: Support rollers are typically constructed from durable materials such as steel or high-quality alloys, ensuring their longevity and resistance to wear and tear. This durability enables them to withstand heavy usage and harsh operating environments.
Easy installation and maintenance: Support rollers are generally designed for straightforward installation, making them convenient to integrate into existing systems or equipment. Additionally, they require minimal maintenance, resulting in reduced downtime and operational costs.
Self-aligning capability: Some support roller designs incorporate self-aligning features, allowing them to compensate for misalignments or slight angular deviations. This feature helps maintain smooth rotation and prevents excessive stress on the components.
Reduces friction and energy consumption: By providing a low-friction interface between rotating parts, support rollers minimize energy losses due to friction. This reduction in friction contributes to increased efficiency and reduced power consumption in machinery and equipment.
Noise reduction: Support rollers with appropriate design and materials can help dampen vibrations and noise generated during operation. This feature is especially valuable in applications where noise control is crucial, such as in printing or packaging machinery.
Cost-effective solution: Support rollers offer a cost-effective solution for supporting rotating components compared to more complex bearing systems. They provide reliable performance, ease of installation, and long service life, making them a preferred choice for many industrial applications.
Customization options: Depending on specific requirements, support rollers can be customized in terms of size, load capacity, material, lubrication, and sealing options. This flexibility allows for optimal matching to the application's needs, ensuring efficient and reliable operation.