Reduced iron rotary kiln (sponge iron rotary kiln): efficient reduction, helping green metallurgy

Brief introduction

Reduced iron rotary kiln, also known as sponge iron rotary kiln, is an efficient and environmentally friendly direct reduced iron equipment, widely used in the direct reduction process of materials such as iron ore and iron concentrate. Its unique rotary structure and advanced reduction process make it an ideal choice in the field of green metallurgy. Our reduced iron rotary kiln adopts advanced technology and high-quality materials to ensure stable operation and long life of the equipment, providing customers with cost-effective solutions.

Detailed product introduction

Our reduced iron rotary kiln has complete product specifications and strong production capacity, which can meet the production needs of different scales. The main specifications include diameters ranging from 2.5 meters to 4.3 meters, lengths ranging from 40 meters to 65 meters, and daily output can reach 200 tons to 800 tons. The equipment adopts advanced automatic control system to achieve precise temperature control and material transportation to ensure stable product quality. In addition, our reduced iron rotary kiln is also equipped with efficient dust removal and exhaust gas treatment systems to meet environmental protection requirements and reduce environmental pollution.

Applicable materials

Iron ore: Sponge iron is generated through direct reduction process and is used in electric furnace steelmaking or foundry industry.

Iron concentrate: After reduction, it is used to produce high-purity iron powder and is widely used in the field of powder metallurgy.

Iron-containing waste: such as steel plant dust, rolled steel scale, etc., to achieve resource recycling.

Performance advantages

High efficiency and energy saving: The use of advanced reduction technology and heat recovery system can significantly reduce energy consumption.

Environmental protection and low carbon: The direct reduction process reduces carbon emissions and is in line with the development trend of green metallurgy.

Easy to operate: Automated control system reduces manual operation and improves production efficiency.

Durable and reliable: The use of high-quality refractory materials and precision manufacturing processes ensures long-term and stable operation of the equipment.

Strong adaptability: It can handle a variety of iron-containing raw materials to meet the needs of different customers.

Picture: Scrolling site map, the document note is: Reduced iron rotary kiln

The Reduced Iron Rotary Kiln is a key component in the production of direct reduced iron (DRI), a high-quality alternative to traditional blast furnace iron. Operating at high temperatures, the rotary kiln uses reducing gases like carbon monoxide to extract oxygen from iron ore, transforming it into sponge iron. This process, known as direct reduction, requires less energy and produces fewer emissions compared to conventional methods. The rotary kiln’s rotating design ensures continuous and even heating, providing optimal conditions for iron ore reduction. Additionally, the kiln is equipped with advanced control systems to monitor temperature, gas flow, and material consistency, ensuring high efficiency and minimal waste. The reduced iron produced is used in electric arc furnaces for steel production, offering an environmentally friendly and cost-effective approach to producing high-quality steel. With applications across the steel industry, the Reduced Iron Rotary Kiln is essential for sustainable, high-efficiency ironmaking.

Working Principle

The working principle of the iron reduction rotary kiln is to evenly distribute the material in the cylinder and gradually move it forward through the rotation of the rotary cylinder. Under the high-temperature reducing atmosphere, the material is fully in contact with the reducing agent (such as coal powder, natural gas, etc.) to complete the reduction process of iron oxides. The reduced sponge iron is discharged from the kiln tail and becomes a finished product after cooling. During the whole process, the temperature, atmosphere and material conveying speed can be accurately adjusted through the automatic control system to ensure product quality and production efficiency.