The grate bar is an essential component in Lurgi traveling grate pelletizing plants, serving a critical dual purpose, including providing reliable support for the entire pellet bed throughout the induration process and uniform distribution of process air for efficient drying, pre-heating, and firing cycles. Its key challenges include withstanding extreme thermal cycling and abrasive wear, while also resisting oxidation and thermal shock that can lead to premature failure and process disruptions.

The Tabarestan Steel Foundry Advantage: Replicast Technology

Tabarestan Steel Foundry (TSF) pioneered the production of high-performance grate bars using the Replicast (ceramic mould casting) technology in 2009 for Gole Gohar Mining Industries. This advanced manufacturing technique provides distinct competitive advantages:

• Superior Surface Quality: The ceramic mould yields an exceptional surface finish, dramatically improving the integrity and performance of the part.
• Enhanced Dimensional Accuracy: Replicast offers far superior precision compared to traditional sand casting. This dimensional accuracy is critical for easier installation onto the pallet car center part.
• Optimal Airflow Spacing: Our precision ensures a consistently maintained and uniform 6mm gap between assembled grate bars. This precise spacing is vital for optimal airflow circulation during induration and cooling, directly impacting pellet quality and energy efficiency.

Proven Performance and Scale

Since 2009, TSF has supplied over one million grate bars to major Iranian pelletizing facilities. Our clients, including Mobarake Steel Company, Khuzestan Steel, Sirjan Iranian Steel, Opal Parsian Sangan, Sangan Steel Mining, and Khorasan Steel Companies, consistently praise TSF grate bars for exceptional lead times, superior surface quality, and enhanced operational longevity compared to competitor products.

Driven by this consistent customer praise, we significantly scaled our Replicast manufacturing in 2022, achieving a new, formidable monthly production capacity of 15,000 grate bars.

Contact us today to receive a quote for our high-precision Replicast grate bars.