Product Description
Metallurgical overhead cranes are heavy-duty lifting equipment specifically designed for the metallurgical industry, including steel mills, foundries, and aluminum plants. These specialized machines handle critical processes such as material handling, molten metal hoisting, and continuous casting billet transportation in harsh environments characterized by high temperatures, dust exposure, and corrosive conditions. Featuring enhanced safety, heat resistance, and stability, they are engineered to meet the unique demands of metallurgical production.
Main Features of Metallurgical Overhead Cranes
1.High-Temperature Resistant Design
Heat insulation protection devices (such as insulation panels and thermal reflective coatings) are used to protect key components of the crane (e.g., motors, steel cables, and electrical equipment) from high-temperature radiation.
High-temperature-resistant steel wire ropes or heat shields are employed to prevent damage from molten metal splashing.
2.High Safety Standards
Dual braking system: The main lifting mechanism is equipped with dual brakes to ensure reliable braking in emergencies.
Fall prevention devices: Redundant wire ropes, safety hooks, and overload protection mechanisms prevent accidents during molten metal lifting.
Limit protection: Multiple limit switches (e.g., for lifting height and travel limits) avoid misoperation.
3.Special Lifting Equipment
Equipped with metallurgical-specific lifting hooks (e.g., C-hooks or gantry hooks) or molten steel ladle lifting tools, suitable for handling ladles, ingots, and other materials.
4.Resistance to Harsh Environments
Electrical equipment has a high protection rating (e.g., IP65) for dustproof and corrosion-resistant performance.
Structural components are made of weathering steel and treated with special anti-corrosion coatings to extend service life.
5.Precise Control
Frequency conversion speed regulation or servo control ensures smooth lifting and accurate positioning, minimizing molten metal shaking.
Common Types of Metallurgical Overhead Cranes
Casting Crane
Used for lifting steel ladles and iron ladles, with strong load-bearing capacity (up to hundreds of tons) and the highest safety requirements.
Soaking Pit Crane
Equipped with electromagnetic or mechanical clamps, used to transport steel plates, coils, and other formed materials.
Forging Crane
Designed for forging equipment, featuring slow fine-adjustment functions for precise positioning of heavy forgings.
Stripping Crane
Specifically used to remove steel ingots from molds, combining lifting and clamping functions.
The difference with ordinary bridge crane
|
Characteristic |
Metallurgical special crane |
Ordinary bridge crane |
|
Work environment |
High temperature, high dust, corrosive |
Room temperature, general industrial environment |
|
Security classification |
Redundant design, multiple protection |
Standard safety configuration |
|
Slings for lifting loads |
Special lifting hook, molten steel ladle lifting tool, etc |
General hoist, grab, etc |
|
Materials and protection |
Heat resistant steel, heat insulation protection |
Ordinary steel structure |
|
Price |
Higher (complex design, special materials) |
Relatively low |
Application Scenarios
- Steelmaking workshop: Ladle transfer, continuous casting machine coordination.
- Steel mill: Lifting steel plates and coils.
- Furnace workshop: Iron pouring, ingot transportation.
- Aluminum electrolysis workshop: Electrolytic cell replacement, anode transportation.
technical parameter
|
Maximum lifting weight |
320 tons |
|
Maximum work span |
50 meters |
|
Maximum height of lift |
Thirty meters |
Technical parameters can be customized to fully meet customer needs.
Metallurgical overhead cranes are among the core equipment in metallurgical production. Their design and selection directly impact production efficiency and safety.
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