Grúa de acería

A steel mill crane is a heavy-duty lifting device specifically designed for the demanding conditions of steelmaking facilities, where typical operating environments involve sustained high temperatures, heavy loads, and frequent work cycles. Unlike general-purpose industrial overhead cranes, steel mill cranes are specifically engineered to handle tasks such as molten steel ladles, continuous casting operations, furnace charging, and the transfer of finished steel products.

These cranes typically have a duty class of A7–A8 to meet the demands of continuous, heavy-duty operations in steelmaking. Their structural components, hoisting mechanisms, and electrical systems are all manufactured from high-temperature-resistant materials, and they are equipped with an anti-sway control system and multiple overload protection features. The steel mill cranes designed by VOITTO have lifting capacities ranging from 5 to 500 metric tons, spans from 7.5 to 31.5 meters, and lifting heights from 6 to 30 meters. Each configuration is tailored to the specific layout, production processes, and material handling requirements of the plant.

Descripción de la grúa de la acería

A steel mill crane is a heavy-duty lifting device specifically designed for the demanding operating conditions of steel production facilities. They are capable of handling raw materials, molten metal, and finished steel products with precision and reliability. As critical equipment in steel production, these cranes are engineered to withstand high temperatures, heavy loads, and the demands of handling finished products and are characterized by their heat resistance, safety, reliability, and intelligent features.

Ladle Crane

Grúa puente con gancho

Given the wide variety of equipment types available, users must select the appropriate model based on their specific application requirements to ensure that production operations are both efficient and safe. The following section will introduce the different types and specifications of steel mill cranes, as well as the specialized designs of their key components.

Types Of Steel Mill Crane

Steel mill cranes come in various types and sizes, depending on the specific requirements of the steel mill. The most common types of steel mill cranes are overhead cranes and gantry cranes. Each type has its unique features and benefits and is designed for specific applications within the mill.

Grúa puente de doble viga QD

Las grúas puente para acerías se utilizan principalmente en acerías para el traslado de materiales dentro de los talleres, la elevación de metal fundido y el mantenimiento de equipos pesados. Cuentan con una estructura robusta de doble viga, alta capacidad de carga, funcionamiento suave y preciso, y están equipadas con resistencia a altas temperaturas, interferencia antimagnética y múltiples sistemas de protección de seguridad.

Tipo	Grúa puente de doble viga QD
Capacidad de elevación	5-320 toneladas
Span	7.5-30 m
Altura de elevación	6,5-24 m

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Grúa puente con cuchara QZ

A grab bridge crane is suitable for metallurgy, building materials, the chemical industry, coal, and other industries. It is engaged in the loading and unloading of ore, slag, and other bulk materials in the workshop, warehouse, or open air. For the client facility, the VOITTO crane manufacturer can provide you with a single-girder grab crane or a double-girder grab crane.

Tipo	QZ Grab Bridge Grúa
Capacidad de elevación	1-75 toneladas
Span	10,5-28 m
Mecanismo de elevación	Cuchara con múltiples solapas

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Puente grúa electromagnético QC

Las grúas puente electromagnéticas están equipadas con electroimanes extraíbles y son adecuadas para manipular materiales magnéticos, como placas de acero y chatarra de acero, lo que ofrece una alta eficiencia de carga y descarga. Se utilizan principalmente en líneas de producción de laminación de acerías, almacenes de productos terminados, talleres de estampación, etc.

Tipo	Puente grúa electromagnético QC
Capacidad de elevación	5-80 toneladas
Span	7-24,5 m
Mecanismo de elevación	Ventosa electromagnética

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Grúa de cuchara de doble viga

As a key piece of equipment in steelmaking and continuous casting processes, the overhead ladle crane is primarily used in steelmaking shops to lift ladles containing molten steel near refining furnaces or continuous casting machines; it is also suitable for use in foundries to handle molten metal and other high-temperature materials.

Tipo	Grúa de cuchara de doble viga
Capacidad de elevación	5-85 toneladas
Span	10,5-32 m
Altura de elevación	6-30 m

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Fundición de grúa puente

Casting overhead cranes are mainly used to deliver molten iron to converters or lift molten steel to the continuous casting ladle turret, etc. The overall structure can be divided into double girders with double tracks, four girders with four tracks, four beams with six tracks, and other types.

Tipo	Fundición de grúa puente
Capacidad de elevación	5-500 toneladas
Span	10,5-36 m
Servicio activo	A7-A8

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Grúa puente monoviga LD

LD-type single-girder overhead cranes are primarily used in steel mills to handle raw materials and transport materials during the production process. These cranes feature a compact design and operate efficiently, making them ideal for use in small steel mills.

Tipo	Grúa puente monoviga LD
Capacidad de elevación	1-32 toneladas
Span	6,5-30 m
Mecanismo de elevación	Polipasto eléctrico de cable metálico

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Grúa pórtico para acería

Typically, steel mill workers operate gantry cranes for tasks such as transporting raw materials and storing finished products. This equipment is characterized by its large span, high load-bearing capacity, resistance to high temperatures, and dust- and corrosion-resistant properties.

Tipo	Grúa pórtico para acería
Capacidad de elevación	1-80 toneladas
Span	18-35 m
Altura de elevación	8-15 m

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Grúa giratoria con brazo montada en el suelo

Las grúas giratorias con brazo montadas en el suelo se utilizan ampliamente en acerías para la manipulación de materiales ligeros, el apoyo a la producción y el mantenimiento de equipos. Entre sus ventajas se incluyen un alto aprovechamiento del espacio, un posicionamiento preciso y una buena adaptabilidad al entorno.

Tipo	Grúa giratoria con brazo montada en el suelo
Capacidad	0,25-10 toneladas
Altura de elevación	2-6 m
Mecanismo de elevación	Polipasto de cadena

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Steel Mill Crane Applications

Steel mill cranes are widely used in the five core processes of steelmaking: ladle transfer, continuous casting, furnace charging, coil handling, and scrap yard operations. Each application has different requirements for the cranes.

Características inteligentes de la grúa de la acería

Las grúas de las acerías pueden equiparse con una variedad de funciones inteligentes para mejorar la seguridad, la eficiencia y la productividad. Algunas de estas funciones inteligentes incluyen:

Intelligent Control System

• Technical Explanation: PLC-based control architecture manages hoisting, trolley, and bridge motion through variable-frequency drives, with remote monitoring interfaces that report crane status and load data in real time to a control room or handheld device.
• Customer Benefit: Reduces operator fatigue and positioning error across repetitive ladle and casting cycles.

Anti-Sway Technology

• Technical Principle: The electronic anti-sway control system suppresses load sway during operation by adjusting the acceleration and deceleration characteristics of the trolley. Combined with load sensors, this system ensures stability under varying load conditions.
• Customer Benefits: This feature effectively improves positioning accuracy at the melting furnace and pouring stations, while reducing the risk of material splashing or collisions with the plant’s fixed structures.

Smart Safety Protection

• Technical Description: The integrated safety system combines overload protection, upper and lower limit switches, an emergency stop circuit, and anti-collision sensors for shared-track cranes, supplemented by redundant braking and load-holding protection in the event of a power failure.
• Customer Benefits: It effectively ensures the safety of personnel and equipment in workshops where molten metal is handled and mechanical failures are absolutely unacceptable.

Condition Monitoring System

• Technical Explanation: Sensors on wire ropes, brakes, motors, and structural connections continuously report wear indicators and operating temperatures to a central monitoring platform, with historical trend data flagging components approaching maintenance thresholds.
• Customer Benefits: The purpose of this component is to shift the maintenance approach from reactive to preventive, thereby reducing unplanned downtime on the continuous casting line.

Automated Operation Capability

• Technical Description: The semi-automatic positioning program uses preset coordinates and sensor feedback to correct the path, enabling the crane to perform repeatable sequences of operations.
• Customer Benefits: On high-throughput production lines, this feature improves the consistency of operation cycles.

High Temperature Adaptation

• Technical Description: For the motor and control panel, heat-resistant materials, an insulated enclosure, and cooling measures are employed to ensure the equipment can operate continuously and stably in environments exposed to radiant heat from molten steel and furnace areas.
• Customer Benefits: The equipment maintains reliable operation and extends component service life even in harsh environments that would otherwise compromise the performance of standard industrial cranes.

Precision Load Handling

• Technical Description: Fine-tuned lifting speed control and micro-positioning modes enable operators to achieve the precise positioning required for ladle pouring in continuous casting machines and accurate alignment during the charging process; at the same time, the load-sensing feedback mechanism supports controlled, incremental movement at critical process points.
• Customer Benefits: This is particularly important in the steelmaking process, as it effectively reduces process fluctuations and material loss.

Especificación

Personalización Grúa para acería

VOITTO Crane se especializa en el diseño y la fabricación a medida de grúas para acerías.

• Load Capacity: 5 ~ 500 tons or More
• Span: 7.5 ~ 31.5 m
• Lifting Height: 6 ~ 30 m
• Tipo y configuración de grúas para acerías y norma de protección contra explosiones
• Modo de control: Cabina o mando a distancia, o automatización
• Dispositivos de elevación especiales: gancho o cuchara, gancho o mandril electromagnético o pinza para planchas, o cuchara de agarre.
• Fuente de alimentación: trifásica CA 380 V 50 Hz

Fabricante de grúas puente para acerías

VOITTO es una empresa líder especializada en el diseño y la fabricación personalizados de grúas para acerías. Conocemos a fondo el duro entorno de trabajo de la industria siderúrgica y ofrecemos una gama completa de soluciones personalizadas centradas en el diseño de ingeniería profesional.

Si tiene algún requisito específico o necesita más ayuda, no dude en Póngase en contacto con nuestro equipo. de expertos, que le proporcionarán soluciones personalizadas y asistencia profesional.

Alan

Especialista en Soluciones de Grúas · Voitto Crane

10+Años Exp.

5,000+Clientes

50+Países

Especializados en soluciones de exportación de grúas puente, grúas pórtico, grúas de pluma, grúas portuarias y grúas EOT. Más de 10 años ayudando a clientes internacionales con consultoría de preventa, selección de capacidad y configuraciones específicas para cada emplazamiento.

+86 136 3963 3287 [email protected] Contacte con nosotros

PREGUNTAS FRECUENTES

What type of crane is used in steel mills?

Steel mills typically use overhead cranes (including configurations for molten steel ladles, casting, charging, and coil handling) as well as gantry cranes for yard operations.

What duty class is required for steel mill cranes?

Steel mill cranes typically require A7 or A8 working duty classification under FEM 1.001 and ISO 4301, reflecting continuous, heavy-service operation. Duty class affects structural design and component lifespan and should match your plant’s actual cycle frequency.

Can steel mill cranes handle molten steel?

Yes. Ladle cranes and casting cranes are specifically designed for transporting molten steel and feature heat-resistant structural components, anti-sway control systems, and precise low-speed hoisting capabilities.

How much does a steel mill crane cost?

Pricing depends on lifting capacity, span, duty class, and application-specific features such as heat resistance or electromagnetic attachments. Share your load and site requirements, and our engineering team will provide a project-specific quotation.

What safety systems are required?

Required safety features include overload protection, upper and lower limit switches, emergency stop circuits, anti-collision devices between cranes on shared runways, and power-failure load-holding protection.