Smart Electromagnetic Overhead Crane Solution for Rolling Workshop Material Handling

Lianyuan Steel Overview

Lianyuan Steel, a major state-owned enterprise under the Fortune Global 500 Hunan Steel Group, has an annual production capacity of over 12 million tons. As a leading high-quality steel production base in Central and Southern China, it operates the world’s largest medium and thin-gauge heat-treated plate production line. Its silicon steel base metal output also ranks first in China, with products widely used in landmark projects such as the Hong Kong–Zhuhai–Macao Bridge and Tesla.

To upgrade material handling operations in its rolling workshop, Lianyuan Steel introduced DAFANG’s Suwnica elektromagnetyczna, achieving a significant step toward smart, efficient, and safe steel logistics. Equipped with electromagnetic lifting technology, laser positioning, and an intelligent monitoring platform, the system has greatly enhanced operational efficiency and workplace safety, supporting the steel industry’s move toward standardized and intelligent crane operations.

Przegląd sprzętu

To improve the handling efficiency of the rolling workshop, Lianyuan Steel adopted the QCL-type Electromagnetic Overhead Crane, featuring:

• Double-girder structure
• Rated capacity: 20+20 tons (main & auxiliary hook)
• Span: 28 m
• Lifting height: 22 m
• Electromagnetic lifting disc: Ø 2.2 m, lifting capacity 18 tons
• Operation modes: ground remote control + cabin operation
• Fully compliant with GB/T 3811 crane design standards
• Certified to ISO 12482
• Engineered for high-temperature and heavy-dust metallurgical environments

Scenariusze głównych zastosowań

Steel Billet Transfer

• Task: Handling hot billets (15 tons each, 12 meters long)
• Result:
• Automatyczny system chwytania magnetycznego (czas reakcji ≤ 3 s)
• Intelligent anti-collision for trolley & bridge travel
• Transfer efficiency increased by 60%
• Zmniejszenie interwencji ręcznej dzięki 80%

Bar Stock Yard Management

• Task: Multi-layer bar bundle stacking (8 tons per bundle)
• Result: Laser positioning accuracy ±10 mm, Yard utilization improved by 40%

Pomoc konserwacyjna

• Task: Lifting rolls and bearing housings (10 tons each)
• Result: Variable-frequency control (0.5–10 m/min lifting speed), Hydraulic anti-sway system, Maintenance safety increased by 75%

Kluczowe innowacje techniczne

Podwójny układ napędowy elektromagnetyczno-mechaniczny

• Redundant power supply with onboard UPS ensures 15 minutes of magnetic holding during power loss
• Optional mechanical grab mode for mixed material handling

Inteligentny monitoring i wczesne ostrzeganie

• Integrated stress, temperature, and collision-avoidance monitoring
• Data transmitted in real time to the central control room via remote supervision platform

Enhanced Structural Safety

• Main girders welded with Q345D steel and reinforced with Q460E high-strength plates
• Equipped with wind-proof anchoring (resistance up to Level 12 winds)

Customer Benefits & Performance Results

• Efficiency Boost: Daily billet throughput increased from 1,200 t → 1,800 t, improving production rhythm by 25%
• Cost Optimization: Electromagnetic lifting consumes 40% less energy than mechanical grabs
  → Annual electricity savings approx. 600,000 RMB
• Safety Performance: Zero safety incidents in four years of operation. Certified to ISO 45001 occupational health & safety standard

Cindy

WhatsApp: +86-19137386654

E-mail: cindywang@hndfcrane.com

Jestem Cindy, mam 10 lat doświadczenia w branży dźwigowej i zgromadziłam bogactwo wiedzy zawodowej. Wybrałam satysfakcjonujące dźwigi dla ponad 500 klientów. Jeśli masz jakiekolwiek potrzeby lub pytania dotyczące dźwigów, skontaktuj się ze mną, wykorzystam swoją wiedzę specjalistyczną i praktyczne doświadczenie, aby pomóc Ci rozwiązać problem!