Category
Product Description
Engineered Incinerator Grate Bars for High-Efficiency Waste-to-Energy Systems
Incinerator grate bars are crucial components of a waste-to-energy plant's furnace, designed to support, move, and promote the complete combustion of waste materials. At Shandong Jiujiu Machinery, we specialize in the metallurgical casting of these heavy-duty components, ensuring they provide the mechanical backbone for modern municipal and industrial waste processing. As a key structure for garbage transportation and combustion in the incinerator, the furnace grate system (composed of interconnected waste incineration grate bars) needs high strength, heat resistance, and corrosion resistance—properties usually from materials like high-chromium nickel cast steel or high manganese steel.
Advanced Metallurgy for Thermal Stability
The internal environment of a waste-to-energy furnace is a "chemical inferno," where components must survive temperatures fluctuating between 850°C and 1100°C. Our incinerator grate bars are crafted from specialized alloys such as Cr20Ni10, Cr25Ni20, and DIN 1.4823 heat-resistant steel. These materials are chosen to prevent the "growth" or oxidation of the metal matrix over long-term exposure.
Mechanical Integrity: Maintained at a hardness of 240–320 HB to resist the abrasive impact of glass, metal, and stony residues found in municipal waste streams.
Corrosion Resistance: High nickel and chromium content provides a protective barrier against hydrochloric acid (HCl) and sulfur dioxide (SO₂) gases released during combustion.
Precision Casting: Utilizing Vacuum-Sealed Casting to eliminate internal porosity, ensuring that every bar can withstand high-pressure primary air fans without structural cracking.
Operational Performance and Airflow
Meanwhile, the grate bars must coordinate to meet dynamic garbage turning and uniform garbage layer combustion requirements, ensuring stable, efficient operation of the entire incineration system. Our design focuses on optimized air-slot geometry, which allows for:
Uniform Oxygen Penetration: Preventing "cold spots" and ensuring full burnout of organic materials.
Smooth Reciprocation: Reducing the friction between fixed and moving rows to lower the power consumption of the hydraulic drive system.
Application Scenarios
Our grate bars are compatible with major global incinerator technologies, including:
Reciprocating Grates: For standard municipal solid waste (MSW) processing.
Vibrating Grates: Ideal for high-moisture biomass or specialized hazardous waste.
Maintenance Upgrades: Providing high-durability, cost-effective replacements for original OEM parts.
Simplified FAQ
Q: How do these bars handle thermal shock?
A: Our specialized quenching and tempering process ensures the alloy matrix remains ductile enough to handle rapid temperature changes during feeding cycles.
Q: What is the typical service life?
A: Depending on the waste composition, our high-alloy bars typically offer a service life of 15,000 to 25,000 operational hours.
Chemical composition % of high chromium cast iron
This product is a customized product and is produced according to customer drawings or samples.
Casting Process
Casting Process
Casting Process
Casting Process
Casting Process
Delivery site
Delivery site
Delivery site
Delivery site
Delivery site
Inspections & Certifications
Certifications
Certifications
Customer visits
Customer visits
Customer visits
Customer visits
Customer visits
Keywords
incinerator grate bars
incinerator grate bars
Contact Us
Telephone:+86-13792621099
Weifang Binhai New Area Sino-foreign Cooperation Industrial Park, about 260 meters west of the intersection of Hai 'an Road and Zhenhai Street
Related Products
We believe: you will like more of our products
CONTACT US
Telephone：+86-13792621099
Weifang Binhai New Area Sino-foreign Cooperation Industrial Park, about 260 meters west of the intersection of Hai 'an Road and Zhenhai Street
REQUEST A QUOTE
* Please leave your contact information and we will contact you as soon as possible.
Copyright©2025 Shandong Jiujiu Machinery Co., Ltd. All rights reserved
Powered by 300.cn |SEOLabel Privacy Policy