Sponge Iron Rotary Kiln
Product Overview
Sponge iron rotary kilns, also called reduced iron rotary kilns, are a type of rotary calcining kiln used in the metallurgical industry. These continuously rotating kilns serve as reactors, using solid carbon to reduce iron ore into sponge iron through a solid-state reaction. With mineral resources becoming increasingly scarce, these kilns are gaining attention for their ability to handle complex ore processing efficiently.
Sponge iron also called direct reduced iron, is a metallic iron product produced by removing oxygen from iron ore through direct reduction process. With the advantages of low impurity content, high flexibility, and strong adaptability, it is often used in the steel manufacturing industry.
A sponge iron rotary kiln operates through several key steps. First, iron ore and a carbon-based reducing agent, such as coal, are fed into the kiln. As the kiln slowly rotates, the materials move gradually from the feed end to the discharge end. Inside the kiln, the temperature is carefully controlled to promote a solid-state reduction reaction, where oxygen is removed from the iron ore. This process produces sponge iron. The kiln also includes systems for heating, gas flow control, and waste gas removal. The entire operation is continuous, energy-efficient, and designed to ensure consistent product quality.
Advantages
Our advantage
Sponge iron rotary kiln use indirect heating way, which can effectively utilize heat energy and reduce energy consumption.
It can utilize various types of iron ores as raw materials, including low-grade iron ores, powdery ores, and concentrates. This flexibility allows the rotary kiln to be widely used in different conditions.
Today's sponge iron rotary kilns are often equipped with advanced automation systems, allowing for accurate control of feeding, heating, and cooling. This level of precision helps enhance both the efficiency and stability of the production process.
The construction investment cost of sponge iron rotary kilns is lower, suitable for small and medium-sized steel enterprises or resource recycling projects.
Specification
|
Size (m) |
Sponge iron rotary kiln dimensions |
Motor power (kw) |
Weight (t) |
||||
|
Diameter (m) |
Length (m) |
Inclination (%) |
Capacity (t/h) |
Speed (r/min) |
|||
|
Φ2.5×40 |
2.5 |
40 |
3.5 |
180 |
0.44-2.44 |
55 |
149.61 |
|
Φ2.5×50 |
2.5 |
50 |
3 |
200 |
0.62-1.86 |
55 |
187.37 |
|
Φ2.7×42 |
2.7 |
42 |
3.5 |
320 |
0.10-1.52 |
55 |
198.5 |
|
Φ2.8×44 |
2.8 |
44 |
3.5 |
400 |
0.437-2.18 |
55 |
201.58 |
|
Φ3.0×45 |
3 |
45 |
3.5 |
500 |
0.5-2.47 |
75 |
210.94 |
|
Φ3.0×60 |
3 |
60 |
3.5 |
300 |
0.3-2 |
100 |
310 |
|
Φ3.2×50 |
3.2 |
50 |
4 |
1000 |
0.6-3 |
125 |
278 |
|
Φ3.3×52 |
3.3 |
52 |
3.5 |
1300 |
0.266-2.66 |
125 |
283 |
|
Φ4.3×60 |
4.3 |
60 |
3.5 |
3200 |
0.396-3.96 |
375 |
583 |
|
Φ4.5×66 |
4.5 |
66 |
3.5 |
4000 |
0.41-4.1 |
560 |
710.4 |
|
Φ5.6×87 |
5.6 |
87 |
4 |
8000 |
Max4.23 |
800 |
1265 |
|
Φ6.0×95 |
6 |
95 |
4 |
10000 |
Max5 |
950×2 |
1659 |
Cases
FAQ
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