YZ160t Foundry Overhead Crane for Efficient and Safe Molten Metal Handling in Steel Plants

Client Profile

Shijiazhuang Iron & Steel Group (Shisteel) is a large-scale integrated steel manufacturer specializing in high-quality structural steel, alloy steel, and special steel products. With continuous expansion of its steelmaking capacity and increasing requirements for safety and efficiency, the group launched an upgrade project for molten metal handling in its steelmaking workshop.

To support this upgrade, Shisteel introduced the DAFANG CRANE YZ160t Foundry Overhead Crane to enhance ladle handling reliability, operational safety, and production efficiency.

Project Overview

Shisteel adopted the YZ160t Foundry Overhead Crane to significantly improve molten metal handling efficiency within the steelmaking workshop. The crane features a four-girder, four-rail double-main-girder design with a 28m span, a main hoist lifting height of 22m, and an auxiliary hoist lifting height of 24m. Equipped with a hydraulic synchronous lifting system—featuring five lifting points with a synchronization accuracy of ≤0.1 mm—the crane supports both wireless remote control and operator cabin modes.

The equipment complies with GB/T 3811 design standards and ISO 12482 safety certification, and is engineered specifically for high-temperature and heavy-dust metallurgical environments.

Key Application Scenarios

Hot Metal Ladle Transfer

• Task: Lifting 140-ton hot metal ladles (diameter 3.0m, height 4.0m)
• Result: Hydraulic synchronization + laser alignment reduced lifting cycle time from 1.5 hours to 40 minutes
• Ladle vertical deviation controlled within 1/1000, ensuring precise and stable ladle tilting and movement

Continuous Casting Billet Handling

• Task: Handling 80-ton billets (10m long, 1.2m wide)
• Result: Four-girder, four-rail design minimized structural deflection
• Smooth operation reduced billet vibration
• Casting defect rate decreased by 28%

Multi-Crane Synchronized Lifting

• Task: Simultaneously lifting two continuous-casting billets (70 tons each)
• Result: Advanced control system enabled speed and position synchronization across cranes
• Operational efficiency increased by 38%
• Energy consumption reduced by 22%

Technical Innovations

Hydraulic Synchronous Lifting System

• Integrated proportional valve + displacement sensor technology
• Five-point millimeter-level synchronization
• Emergency manual pump ensures safe lowering during unexpected power loss

Intelligent Safety Monitoring

• Real-time monitoring of 15 critical parameters including girder stress and leg settlement
• 3D laser anti-collision system (70m warning distance, ±8cm accuracy)

Harsh-Environment Adaptation

• Q460E high-strength steel + dual-layer thermal insulation design
• Wind resistance up to Level 13
• IP67-rated electrical system for high-temperature and heavy-dust conditions

User Feedback and Performance Outcomes

• Productivity Improvement: Steelmaking workshop daily output increased from 1000 tons to 1400 tons (+40%)
• Cost Optimization: Hydraulic synchronization reduced energy consumption by 32%, saving approx. 1.5 million RMB/year
• Safety Performance: Zero accidents in 4 years of operation; certified under ISO 45001 Occupational Health & Safety Management System

신디

왓츠앱: +86-19137386654

이메일: cindywang@hndfcrane.com

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