分类： Projects

Henan Mine Crane Factory 200-Ton Four-Girder Casting Bridge Crane: Pioneering Green and Intelligent Upgrades in the Smelting Industry — A Benchmark Project Case Study from Jinhui Group

Four-Girder Casting Bridge Crane serves as the “heavy-duty core equipment” in the smelting industry. Its load-bearing capacity, precision, and intelligent capabilities directly determine production safety, efficiency, and the success of low-carbon transformation for smelting enterprises. Leveraging its core competencies in “in-house R&D + large-tonnage customization,” Henan Mine Crane has delivered reliable solutions for heavy-duty applications across smelting, steel, and foundry projects in over 130 countries and regions worldwide. Among these, the large-tonnage four-girder cast bridge crane customized for Jinhui Group’s green intelligent upgrade project stands as a model solution for tackling heavy-load lifting challenges in the smelting industry.

I. Core Benchmark Project

1. Project Overview: Green Intelligent Transformation Demands in the Smelting Industry

As a renowned domestic smelting enterprise, Jinhui Group’s green intelligent upgrade project focuses on low-carbon production and process optimization. Its core requirements are: “Precise handling of heavy-load molten steel ladles, intelligent production process control, and low-carbon, high-efficiency operation.”

To meet these core requirements, Henan Mine Crane custom-engineered 8 sets of heavy-duty four-girder casting bridge cranes—all independently designed and manufactured. Among these, two 200-ton (Model 200/60t) four-girder casting bridge cranes directly contributed to the project’s successful hot commissioning, establishing themselves as “critical equipment” for Jinhui Group’s green and intelligent transformation.

2. Core Product Advantages

This batch of Jinhui Group-specific heavy-duty four-girder casting bridge cranes addresses heavy-load pain points in the smelting industry through technological innovation. Their core advantages span four dimensions: “heavy-load capacity, precision, intelligence, and low-carbon operation.”

200-Ton Heavy-Load Breakthrough, Fortifying Safety Foundations: As the industry’s first 200-ton heavy-load four-girder cast bridge crane, it is custom-engineered for refining operations involving fully loaded ladle handling. Its high-strength four-girder cast structure ensures stable and reliable load-bearing capacity, effortlessly handling extreme conditions of heavy ladle lifting.

Precision Speed Control + Efficient Operation, Aligned with Smelting Processes: Equipped with a high-precision variable frequency speed control system, it achieves adaptive adjustment for “slow, precise positioning under heavy loads and rapid transfer under light loads.” With speed control accuracy of ±0.5m/min, it perfectly meets the core requirements of “smooth lifting and precise positioning” during ladle handling.

Intelligent Monitoring Empowerment for Optimized Production Control: Integrates advanced monitoring, sensing, and control technologies to create an intelligent sensor-monitored four-girder casting crane. Enables real-time equipment fault detection, operational status monitoring, and data traceability.

Low-Carbon Adaptive Design Responding to Green Transformation: The equipment fully incorporates low-carbon principles during R&D, optimizing transmission systems and energy consumption control. Compared to traditional cranes of the same type, energy consumption is reduced by 12%, perfectly aligning with Jinhui Group’s low-carbon production requirements for its green intelligent upgrade project. It has become the benchmark for low-carbon intelligent four-girder casting bridge cranes in the smelting industry.

3. Project Value: Hot-test Success Endorses Quality Excellence

On November 18, Jinhui Group’s green intelligent upgrade project achieved a successful hot-test. The 200-ton four-girder casting bridge crane manufactured by Henan Mine Crane operated stably throughout, precisely executing core tasks like ladle handling and refining. This practical performance validated the product’s reliability and adaptability.

II. Corporate Hard Power

With years of dedication to crane R&D and manufacturing, Henan Mine Crane upholds innovation-driven development and possesses distinct core strengths: Over 600 welding/machining robots and 100+ automated production lines enable independent manufacturing of core components for heavy-duty cranes. Products hold multiple international certifications including ISO, CE, and FEM, fully complying with global industry standards across regions.

III. Global Application Cases

Beyond the benchmark projects of Jinhui Group, Henan Mine Crane’s heavy-duty four-girder casting bridge cranes have been successfully deployed in multiple global smelting and steel heavy-load projects, further demonstrating their versatility and reliability:

• Southeast Asian Stainless Steel Smelter: Supplied 4 units of 150/50t four-girder cast bridge cranes for heavy-duty handling of molten steel and billets during stainless steel smelting. Upgraded moisture-proof and anti-corrosion designs for the local high-temperature, high-humidity environment. Equipment operated continuously for 2 years without failure, enabling the client to achieve a monthly production capacity of 30,000 tons of stainless steel coils.
• A European specialty steel plant: Customized two 220/70t four-girder cast bridge cranes compliant with EU CE certification and environmental standards. Integrated remote monitoring systems seamlessly interface with the client’s existing smart production platform, enabling full digital control of ladle handling operations.
• A large Middle Eastern smelting project: Supplied three 180/60t four-girder casting bridge cranes. Reinforced equipment heat dissipation and sealing performance to withstand extreme temperature fluctuations and dusty desert conditions. Maintained heavy-load positioning accuracy within ±10mm, earning high praise from the client.
  

IV. Dedicated Service System for International Clients

Addressing core concerns of overseas heavy-tonnage lifting equipment customers, we established a comprehensive worry-free service mechanism:

1. Customized R&D: Deliver full-cycle tailored services—from parameter design and 3D simulation to sample testing—based on project conditions, local industry standards, and production process requirements;

Global Logistics & Compliance: Partnering with international logistics giants like Maersk and COSCO Shipping to resolve challenges in transporting oversized crane components and cross-border customs clearance, ensuring timely and compliant delivery to designated locations;

Overseas On-Site Support: Dispatching bilingual technical teams for on-site equipment installation, commissioning, and operator training, guaranteeing rapid commissioning within 15 days;

V. Collaborative Vision: Empowering Global Metallurgical Industry Upgrades with Heavy-Duty Intelligent Equipment

From the 200-ton molten steel ladle handling four-girder casting bridge crane in Jinhui Group’s green intelligent upgrade project to the successful implementation of multiple heavy-duty metallurgical projects worldwide, Henan Mine Crane has consistently tackled heavy-duty challenges through “independent innovation” and responded to global low-carbon trends with “green intelligence.” If your enterprise operates in heavy-duty sectors such as smelting, steel production, or casting, and you are seeking high-tonnage four-girder casting bridge cranes—specialized lifting equipment for molten steel ladles in the smelting industry—or customized solutions, please feel free to contact us anytime.We not only deliver high-quality heavy-duty equipment meeting international standards but are also committed to becoming your trusted long-term strategic partner. Leveraging our core strengths of “Precision in Heavy-Duty Operations + Intelligent Low-Carbon Solutions,” we empower global heavy industries to achieve safe, efficient, and green development!

Henan Mine Crane, the intelligent coke tank crane, was successfully delivered to Jiujiang Coking and put into operation, helping coking enterprises green and intelligent upgrade. As the core category of metallurgical cranes, this equipment is specially designed for the coking industry dry quenching process, is a benchmark product in the field of high-temperature heavy-duty Crane.

Coking site working conditions are harsh, long-term exposure to high-temperature red coke heat radiation, flame baking, high dust and other extreme environments. Henan Mine Crane with metallurgical lifting technology accumulation, overcome the high temperature and heat resistance, stability and anti-shaking, intelligent control and other technical difficulties, customized for the project with high adaptability lifting program, for the industry to provide an important reference for the design of high-temperature cranes.

This coking crane is equipped with a number of intelligent core configuration, efficient and safe operation. The use of automatic precise positioning + wireless video monitoring technology, reducing manual intervention, improve the efficiency of red coke transfer; equipped with electrical centralized control + mechanical auxiliary anti-shaking system, to ensure that the heavy load lifting smooth and no shaking.

The equipment is connected to the crane’s full life cycle management platform, supporting real-time monitoring of operating conditions, data recording, fault tracing and remote online debugging, reducing operation and maintenance costs, and adapting to the needs of coking enterprises for 24-hour continuous production, which is a typical application of intelligent industrial cranes.

As a special crane for coking plants, this equipment adopts high temperature resistant materials and heat insulation protection design, which can withstand high temperature baking for a long time and have a long service life. Henan Mine Crane is deeply engaged in metallurgy and coking, and has provided customized lifting solutions for customers in more than 130 countries around the world, covering more than 50 industries such as iron and steel smelting, chemical coking, etc. In the future, Henan Mine Crane will continue to focus on metallurgy and coking.

In the future, Henan Mine Crane will continue to focus on the research and development of green coking equipment, to create safer, more efficient and intelligent lifting equipment with innovative technology, to provide full life cycle services for global metallurgical and coking enterprises, and to lead the industry’s high-quality development.

Henan Mine Crane Double-Girder Bridge Cranes: Empowering Global Heavy Industry’s Intelligent Upgrade — Panhua Group’s 4.5 Million Ton Hot Rolling Project Benchmark Case

Having cultivated the global crane market for over a decade, I firmly believe that double-girder bridge cranes, as the “core material handling equipment” for heavy industry, directly determine project efficiency and safety through their performance. Guided by the philosophy of “customized R&D + global service,” Henan Mine Crane has supplied nearly 10,000 lifting devices to over 50 countries worldwide across steel, wind power, port, and other sectors. Among these, the Panhua Group’s Chongqing 4.5 Million Ton Smart Hot Rolling Project stands as a prime example of large-tonnage double-girder bridge cranes seamlessly integrated into heavy steel production lines. Below is a detailed analysis.

I. Flagship Case Study: Panhua Group’s 4.5 Million Ton Intelligent Hot Rolling Project

1. Project Overview: Global-Scale Steel Project Lifting Requirements

To address these demands, Henan Mine Crane custom-engineered 34 10-ton to 100-ton double-girder bridge cranes (core model 75/20t, with a main hook rated at 75 tons for billet handling and a secondary hook rated at 20 tons for lighter materials). All units were successfully delivered and commissioned, serving as “critical support equipment” for the project’s completion and production launch.

2. Core Product Advantages: Precisely Matching the Demanding Conditions of the Steel Industry

This batch of dedicated double-girder bridge cranes for hot rolling production lines integrates Henan Mine Crane’s core technologies with cutting-edge industry design, perfectly addressing pain points in steel production scenarios. Key advantages include:

• Heavy-Load Stability for Large-Span Applications: Featuring a double-girder box-type structure (conforming to Douyin Encyclopedia’s core definition of “double-girder bridge cranes”), the main girders utilize high-strength manganese steel. Optimized through finite element analysis, fatigue resistance exceeds industry standards by 20%, effortlessly handling 100-ton peak loads.
• Smart Collaboration for Cost Reduction and Efficiency Boost: Equipped with variable frequency speed control and anti-sway technology, it achieves adaptive adjustment between “heavy-load slow speed (0.5-5m/min)” and “light-load high speed (0.5-12m/min)” with a 1:10 speed range. When integrated with the production line’s intelligent scheduling system, material positioning accuracy reaches ±30mm, reducing manual intervention by 60%.
• High-Temperature Weather Resistance for Steel Applications: Designed for localized high-temperature environments (80-120°C) in hot rolling mills, critical components (reducers, motors) feature high-temperature sealed designs. The lubrication system uses specialized high-temperature grease, extending service life by 30% compared to conventional cranes. The entire machine employs lightweight design (referencing European new-generation double-girder bridge crane technology), reducing self-weight by 15% and wheel load by 20% compared to traditional equipment.
  

3. Client Recognition: From “Equipment Supplier” to “Strategic Partner”

At the project completion and commissioning ceremony, Li Xinghua, Chairman of Panhua Group, explicitly stated: “Henan Mine Crane’s 10-ton to 100-ton customized double-girder bridge cranes were the key enablers for the project’s on-schedule commissioning. The equipment operated at full capacity for three consecutive months with zero failures, achieving a 15% increase in transfer efficiency beyond expectations. This truly exemplifies ‘winning through quality’.” Through its outstanding performance, Henan Mine Crane was also honored as the project’s “Excellent Supplier for Joint Progress and Win-Win Cooperation,” becoming a preferred partner for Panhua Group’s global projects.

II. Global Application Cases: Multi-Scenario Adaptability of Double-Girder Bridge Cranes

Beyond the Panhua Steel project, Henan Mine Crane’s double-girder bridge cranes have been widely adapted to meet heavy-duty demands across diverse global industries, further validating their versatility and reliability:

Wind Power Sector:

Providing wind-specific double-girder bridge cranes for companies like Jingneng Wind Power and Yunda Wind Power, these cranes handle assembly and hoisting of 2.5MW-6MW wind turbines with a lifting height of 22 meters. They enable precise alignment of turbine main shafts and nacelles within wind power plants, maintaining stable operation even in low-temperature (-30°C) environments at wind farms in Inner Mongolia and Gansu.
• Southeast Asia Steel Project: Supplied 18 50-80 ton double-girder bridge cranes to a 3 million ton/year steel plant in Vietnam. Enhanced corrosion-resistant coatings and moisture-proof electrical designs were implemented for the high-temperature, high-humidity local environment. Equipment failure rates are 35% below industry averages, supporting the client’s goal of achieving 250,000 tons/month of billet production.
• Middle East Port Project: Supplied 12 long-span double-girder bridge cranes (31-meter span) to Dubai Port in the UAE. Designed for heavy equipment handling and container transfer, these cranes feature salt-fog-resistant metal structures and sealed motors to withstand the port’s highly corrosive coastal environment. Each crane handles an average of 80 TEUs daily.
  

III. Dedicated Services for International Clients: From “Product Delivery” to “Full Lifecycle Assurance”

Addressing international clients’ key concerns—customization, logistics, and after-sales support—Henan Mine Crane has established a comprehensive international service system:

1. Customized R&D: Based on regional industry standards (e.g., FEM, DIN, IEC) and operational conditions (high/low temperatures, corrosion), we provide comprehensive solutions from parameter design to 3D simulation. For example, we customized a smart double-girder bridge crane compliant with CE certification for European clients, integrating remote monitoring and multi-crane coordination systems.
2. Global Logistics & Installation: Partnering with international logistics giants like Maersk and COSCO Shipping ensures timely delivery of equipment (including oversized components) to designated ports. Dedicated technical teams are deployed overseas for on-site installation, commissioning, and operator training—such as providing 24/7 field guidance for Southeast Asian projects to achieve commissioning within 7 days.
3. After-Sales Maintenance Support: Three overseas spare parts warehouses established in Germany, Thailand, and the UAE cover core regions in Europe, Southeast Asia, and the Middle East, with spare parts response times not exceeding 48 hours. A 24-hour multinational service hotline is available, supporting multilingual communication in English, Spanish, Arabic, and more to address customer maintenance concerns.

IV. Collaborative Vision: Empowering Global Industrial Upgrades with Lifting Equipment

Henan Mine Crane has consistently upheld the philosophy of “Crafting Century-Long Equipment with Artisan Dedication.” From supplying double-girder bridge cranes for Panhua Group’s 4.5 million-ton-per-year hot-rolled steel project to diverse applications in global wind power and port sectors, we consistently center our offerings around the “high-load, high-stability, high-intelligence” double-girder bridge crane, delivering “more adaptable, more reliable, and more economical” lifting solutions to international clients.

If your project involves heavy-duty sectors like steel, wind power, or ports and requires custom 10-ton to 100-ton double-girder bridge cranes or tailored solutions, feel free to contact us anytime. We deliver not just equipment, but “lifecycle-long industrial handling assurance.”

Product Introduction of Henan Mine Crane manufactured Unmanned Grab Crane

As a benchmark product in intelligent manufacturing within the lifting equipment industry, Henan Mine Crane manufactured unmanned grab crane leverages the company’s intelligent production line comprising over 600 welding and machining robots. Positioned around “precision, intelligence, safety, and efficiency,” it is specifically developed for bulk material handling scenarios across multiple industries including metallurgy, power generation, ports, and waste management.

This equipment overcomes the limitations of traditional manual operation by integrating core technologies such as 3D scanning, automatic positioning, and intelligent obstacle avoidance. It establishes a closed-loop, fully automated workflow, providing essential support for enterprises seeking intelligent manufacturing upgrades and green production transformations. It has been successfully deployed in multiple key domestic projects, including the 250,000-ton rotary kiln at Baowu Group’s Shaoguan Steel Plant and the technical renovation of Ningbo Steel’s No. 2 blast furnace, and has been exported to countries such as Georgia and Vietnam.

Core Technical Advantages

1. Millimeter-Level Precision Positioning
   Equipped with high-precision laser scanners and absolute encoders, it achieves 3D scanning modeling and automatic material location recognition. Positioning and repeatability accuracy are controlled within 5 millimeters, ensuring precise and error-free grasping and unloading points, meeting the fine-grained operational demands of complex material piles.
2. Full-Scene Unmanned Operation
   Supports triple control modes—remote central control, cab operation, and wireless remote control. Operators can complete entire tasks from offices up to 1000 meters away, completely avoiding harm from harsh conditions like high temperatures, dust, and strong corrosion while significantly reducing labor intensity.
3. Intelligent Safety Protection
   Equipped with nine protective functions including short-circuit, overload, and hoist limit switches. Integrated with an intelligent sensing system that detects obstacles in the travel path in real time, automatically executing stop-and-avoid maneuvers or path adjustments. The hoist mechanism and electrical control system feature redundant designs, ensuring operational reliability under high-load conditions. The machine’s Mean Time Between Failures (MTBF) outperforms the industry average by 22%.
4. High-Efficiency Energy Adaptation
   Utilizes variable frequency speed control technology and optimized transmission structures to achieve smooth starts/stops and precise speed regulation, effectively reducing mechanical losses and energy consumption. Automatically distributes materials based on silo levels, boosting operational efficiency by over 20% compared to traditional models. Seamlessly integrates with enterprise MES production execution systems and DCS control systems to enable intelligent production line coordination.
   

   Henan Mine Crane Manufactured Unmanned Grab Crane

   Applicable Scenarios

   Widely deployed in metallurgical raw material yards (iron ore, coke), rotary hearth furnace production lines; coal storage yards at coal-fired power plants; waste handling at waste-to-energy plants; bulk material loading/unloading at ports, terminals, and rail yards. Operates in environments ranging from -25°C to 40°C, with customizable grab attachments tailored to specific material properties.

   Benchmark Case Endorsement

   The unmanned grab crane custom-developed for Baowu Group’s Shaoguan Steel Plant precisely meets rotary hearth furnace steelmaking requirements, providing core support for the system’s “one-button steelmaking” capability. Since commissioning, the equipment has operated smoothly, earning high recognition from both operational and management levels. It stands as a model project for intelligent upgrades in the metallurgical industry. Leveraging the technological advantages of this product line, Henan Mine Crane was selected as Baosteel Zhanjiang’s premium supplier in 2018 and has provided annual spare parts cooperation services to Shaoguan Iron & Steel ever since.

   

   Henan Mine Crane Manufactured Unmanned Grab Crane

   The powerful alliance between Henan Mine Crane and Baowu Shaogang will drive the transformation and upgrading of the steel industry by advancing the intelligent, green, and digital development of cranes, thereby contributing significantly to the sector’s progress!

   

   Henan Mine Crane Manufactured Unmanned Grab Crane

Product Introduction of Henan Mine Crane manufactured Specialized Crane for Steel Plate Storage Facilities

Henan Mine Crane manufactured specialized crane for steel plate storage facilities is a fully automated, intelligent material handling core equipment meticulously tailored to address the challenges of steel plate warehousing in industries such as engineering steel structures, bridge construction, and tall tower buildings. As a critical component of the intelligent steel plate warehouse system, this equipment has undergone full-function verification on the 1200t crane test platform at the Henan Mine Crane Intelligent Industrial Park. All core intelligent control projects have passed rigorous acceptance testing, demonstrating stable and reliable performance. It has been successfully customized and delivered to a major steel structure company, establishing itself as a benchmark product for intelligent warehouse upgrades in the industry.

Core Product Positioning

Specifically designed for the steel structure industry’s “warehousing – Storage – Retrieval” automation requirements. It addresses core pain points such as complex plate specifications, low manual sorting efficiency, significant stacking errors, and difficult inventory traceability. By integrating multiple cutting-edge intelligent technologies, it achieves fully automated operation without manual intervention, significantly improving warehouse space utilization, operational efficiency, and inventory management accuracy. This provides efficient, intelligent, and reliable storage solutions for engineering steel structures, bridge construction, and high-rise construction enterprises.

Core Technologies and Functional Highlights

 

1. Multi-dimensional Intelligent Recognition for Precise Material Control: Equipped with a high-definition visual recognition system and AI algorithms, the system excels in both vehicle identification and steel plate recognition. It automatically identifies incoming vehicle information for swift inventory integration and accurately distinguishes plates by thickness, dimensions, and material with 99.8% accuracy, completely replacing manual visual inspection and eliminating specification mix-ups.
2. 5G Millimeter-Wave Communication Enables Real-Time, Efficient Command Transmission: Utilizing cutting-edge 5G millimeter-wave communication technology, data transmission latency is reduced to under 20ms. The system exhibits strong resistance to signal obstruction and electromagnetic interference. Even within the complex environment of steel fabrication workshops, it ensures real-time response to intelligent commands and stable transmission. A backup transmission interface is also reserved, providing dual assurance for operational continuity.
3. Fully Automated Workflow, Completely Freeing Human Labor: Independently completes the entire steel plate warehousing process—from automatic unloading upon vehicle arrival, automatic rotation and angle adjustment, rule-based automatic sorting, layered stacking, to automatic pallet rotation and allocation before outbound—requiring zero manual intervention and fully replacing traditional 3-5 person warehousing teams.
4. Precision Control + Safety Protection, Ensuring Stable Operation: Equipped with a professional travel drive system and positioning modules, achieving ±3mm travel accuracy for the gantry and ≤5mm stacking error to guarantee neat steel plate arrangement. Integrated gantry collision avoidance system automatically decelerates or brakes upon encountering obstacles. Combined with an intelligent fault monitoring module, it provides real-time alerts for equipment anomalies, safeguarding operational safety and equipment longevity.
5. Automatic Marking + Data Traceability for Transparent Inventory Management: Integrates industrial-grade automatic marking modules to print critical identifiers like steel plate numbers, specifications, and receipt times with clear, wear-resistant markings. Combined with an intelligent warehouse management system, it enables full lifecycle data traceability for steel plates and real-time inventory updates, resolving traditional challenges of difficult traceability and disorganized stock.
   

   Henan Mine Crane manufactured Specialized Crane for Steel Plate Storage Facilities

Structural Design and Reliability Assurance

 

1. Customized Structural Adaptation: Features a reinforced box-type main beam structure using Q345B high-strength steel. Optimized through finite element analysis and overall annealing treatment, it delivers outstanding torsional resistance and load-bearing stability. Rated lifting capacity ranges from 5-50 tons, with span and lifting height customizable to match workshop layouts and material storage dimensions, flexibly adapting to diverse steel plate warehousing needs.
2. Rigorous Testing Validation: All equipment undergoes comprehensive functional, load-bearing, and safety testing on Henan Mine Crane’s 1200-ton crane test bench prior to shipment. Key performance metrics—including intelligent recognition accuracy, communication stability, and operational workflow continuity—are rigorously validated to ensure immediate, stable post-delivery operation.
3. High-Reliability Component Selection: Core components (motors, reducers, communication modules, etc.) utilize renowned industry brands. Combined with modular design, this extends equipment lifespan while reducing maintenance complexity and costs. The system achieves an Mean Time Between Failures (MTBF) exceeding 8,000 hours.
   

   Henan Mine Crane manufactured Specialized Crane for Steel Plate Storage Facilities

 

Applicable Scenarios and Core Value

 

1. Target Industries and Scenarios: Primarily serves steel structure engineering, bridge construction, and tower building industries. It handles the entire warehouse process—from steel plate receiving and inspection, intelligent sorting, precise stacking, inventory management, to outbound allocation—especially meeting the large-scale centralized storage demands of major steel structure projects.
2. Core Value: Boosts operational efficiency by over 60% compared to manual labor, with a single unit replacing 3-5 warehouse workers; significantly reduces labor costs and steel plate wastage while increasing warehouse space utilization by over 30%; enables real-time inventory data and transparent material traceability to support enterprise digital transformation; minimizes human involvement in high-risk operations with multi-layered safety protections to eliminate hazards.
   

   Henan Mine Crane manufactured Specialized Crane for Steel Plate Storage Facilities

Benchmark Case Endorsement

This equipment has been successfully customized and delivered to a major steel structure company, operating stably for over one year. It accommodates storage needs for over 200 steel plate specifications, boosting inbound/outbound efficiency by 65% and reducing inventory error rates below 0.1%. Annual labor cost savings exceed ¥1.2 million. Its precise traceability functionality enabled the client to secure large-scale bridge engineering contracts, earning high recognition.

Product Introduction of  Henan Mine Crane Factory Specialized Bridge Cranes for Hot-Rolled Steel Mills

As the core material handling equipment for hot-rolling production lines in the steel industry, Henan Mine Crane’s specialized bridge cranes for hot-rolled steel mills are custom-engineered for extreme operating conditions: high-temperature radiation exceeding 1200°C, heavy-duty tonnage loads, and 24/7 continuous operation.
Leveraging a production line featuring over 600 intelligent welding and machining robots, the equipment integrates core technologies including finite element analysis-optimized design, high-temperature protection reinforcement, and intelligent precision control. This addresses the fundamental challenges of traditional cranes in hot rolling workshops—such as deformation, frequent failures, short service life, and poor safety—providing critical support for steel enterprises’ intelligent and green transformation.

Core Technical Advantages

1. Extreme High-Temperature Design for Harsh Environments
   The main beam utilizes Q690 high-strength low-alloy structural steel (yield strength ≥690MPa) combined with ceramic fiber insulation coating, directly withstanding 1200°C radiant heat while maintaining beam body temperatures below 60°C. This reduces deformation by 40% compared to industry standards. The electrical control system features high-temperature sealed design, with critical components selected from specialized models rated ≥125°C. Equipped with forced cooling modules, it completely prevents circuit short-circuits and component failures in high-temperature environments.
2. Heavy-Load Fatigue Resistance for Continuous Operation
   Designed for A6 heavy-duty duty cycle, with rated lifting capacities ranging from 50-200 tons, it meets the 24/7 continuous heavy-load operation demands of hot rolling mills. The main girder employs a box-type welded structure. Optimized through robotic internal welding processes and finite element analysis, it simulates extreme conditions like heavy and unbalanced loads to ensure uniform load distribution. Fatigue strength is 20% higher than traditional processes. The machine’s Mean Time Between Failures (MTBF) exceeds 8,000 hours, far surpassing industry averages and significantly reducing downtime losses.
3. Intelligent Precision Control for Enhanced Efficiency
   Equipped with high-precision absolute encoders and variable frequency speed control systems, the main hook achieves lifting speeds of 3.5–4.65 m/min, while the trolley operates at 64.9–66.7 m/min. Positioning accuracy is maintained within ±5 mm, meeting the precision demands of billet transfer and finished product stacking. Features an independently developed intelligent anti-sway system achieving ±3mm sway control under 100t full-load conditions, eliminating safety hazards caused by material sway in high-temperature environments. Seamless integration with enterprise MES enables automatic task reception and real-time operational monitoring, boosting efficiency by over 25% compared to conventional models.
4. Comprehensive Safety Protection, Eliminating Production Risks
   Integrates multiple safety systems, including nine core protections: overload protection, hoist limit switches, trolley buffer limit switches, and emergency braking. The intelligent sensing system continuously monitors the work area, accurately identifying personnel and obstacles to trigger automatic stops and alarms, linking with on-site security systems. The hoisting mechanism and electrical control system feature dual redundancy design with dual backup for critical components, meeting the mandatory dual-braking safety standard of EN 13001.
5. Customized Adaptation for Comprehensive Scenario Coverage
   Span customizable from 13 to 35 meters, with a maximum lifting height of 26 meters for both main and auxiliary hooks, precisely matching layout requirements of hot rolling mills of varying scales. For specialized scenarios like integrated “continuous casting-hot rolling” processes or compact workshop spaces, 3D modeling enables optimized design adjustments to lifting speed, travel paths, and equipment structure, ensuring seamless integration with existing production flows. Modular design reduces non-standard product delivery cycles by 30%, approximately 15 days faster than industry averages.
   

   Henan Mine Crane Hot-Rolled Steel Plant Specialized Bridge Crane

   Application Scenarios

   Specifically engineered for the entire hot-rolling mill process, it is widely used in critical operations such as billet loading, intermediate slab transfer, and finished steel lifting and storage. It operates reliably in environments ranging from -25°C to 40°C and withstands long-term exposure to 1200°C high-temperature radiation. Capable of handling diverse materials including iron ore and steel billets, it serves as core equipment supporting intelligent and efficient production in steel enterprises.

   

   Henan Mine Crane Hot-Rolled Steel Plant Specialized Bridge Crane

   Benchmark Case Endorsement

   In Baowu Group’s Shaogang Rotary Kiln Project, the custom-developed specialized bridge crane provided core support for the system’s “one-button steelmaking” capability. Operating continuously at 1200°C, the equipment maintained stable performance with less than one monthly failure, earning high recognition from both operational and management levels.

   

   Henan Mine Crane Hot-Rolled Steel Plant Specialized Bridge Crane

   Leveraging exceptional operational adaptability and reliability, the equipment has been successfully deployed in major domestic and international projects including Baowu Group’s Shaogang Rotary Kiln Project, Panhua Group’s Intelligent Hot Rolling Workshop, and Vietnam’s Yishan Steel Hot Rolling Line. It has become the preferred partner equipment for large steel enterprises such as Shagang and Hebei Iron & Steel. In 2018, it was selected as Baosteel Zhanjiang’s Premium Supplier and consistently provides annual spare parts cooperation services to leading steel enterprises.

   

   Henan Mine Crane Hot-Rolled Steel Plant Specialized Bridge Crane

   

   Henan Mine Crane Hot-Rolled Steel Plant Specialized Bridge Crane