Rotary kiln accessories
A rotary kiln is an important piece of industrial equipment primarily used for the thermal treatment of materials and chemical reactions. It is a cylindrical device that can be positioned either horizontally or at a slight incline. Depending on the type of material being processed, rotary kilns can be classified into various types, such as cement kilns, metallurgical and chemical kilns, and lime kilns.
Classification:
Key words: casting and forging
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A rotary kiln is an important industrial equipment primarily used for the thermal treatment of materials and chemical reactions. It is a cylindrical device that can be positioned horizontally or at a slight incline. Depending on the type of material being processed, rotary kilns can be classified into various types, such as cement kilns, metallurgical and chemical kilns, and lime kilns.
Features
Structural Features: The kiln body of the rotary kiln is typically fabricated by rolling high-quality, fully killed carbon steel or alloy steel plates and then automatically welded. The wheel bands, support rollers, and open gears are made of alloy cast steel, while sliding bearings utilize large-clearance, non-wiping bearings. The drive system comprises a hard-toothed surface reducer, an elastic diaphragm coupling, and a DC motor for propulsion.
Operational features: The rotary kiln achieves uniform heating and chemical reactions by continuously rotating its cylindrical body, ensuring thorough contact between the material and the high-temperature gas flow. This design gives the rotary kiln the advantages of simple operation, strong adaptability, and high production capacity.
Environmental Protection Features: Environmentally friendly rotary kilns are widely used in many manufacturing industries—including building materials, metallurgy, chemical engineering, and environmental protection—for the mechanical, physical, or chemical treatment of solid materials.
Application fields
Rotary kilns have wide-ranging applications across multiple industries:
Building materials industry: Used for the calcination of cement clinker, it is an important piece of equipment in cement production.
Metallurgical industry: Used for the smelting and reduction of metal ores, enhancing the purity and quality of metals.
Chemical Industry: Used for the heat treatment and chemical reactions of various chemical raw materials, producing fertilizers, catalysts, and more.
Environmental protection industry: Used for the incineration treatment of hazardous waste to achieve resource utilization.
| Soil type of stratum | Soft rock and clay |
| Minimum turning curve radius | 250m |
| Maximum slope | 3.50% |
| Total length | 9m (approximately) |
| Total weight | 370 tons (approximately) |
| Excavation diameter | 6,400mm |
| Outer diameter of front shield | 6,390mm |
| Outer diameter of the shield | 6,380mm |
| Outer diameter of tail shield | 6,370mm |
| Shield tail gap | 45mm |
| Total equipment power | 1650kW (approximately) |
| Maximum excavation speed | 80mm/min |
| Maximum thrust | 42575kN |
| Shield tail seal | 3 rows of sealing brushes |
| Soil pressure sensor | Three, on the earth pressure wall |
| Hydraulic sensor | 4, 1 for each propulsion cylinder group |
| Main bearing life | 10000 hours, according to DIN ISO 281, L10 |
| Maximum work pressure | 3bar |
| Maximum design pressure | 4.5bar |
| Including the total length of supporting facilities | 72m |
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