In industries like power generation, metallurgy, coal, building materials, and chemicals, efficiently handling bulk materials such as coal and ore is crucial. This is where stackers and reclaimers come into play. But what exactly are these machines, and how do they work? Let’s dive in.
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What is a Stacker and Reclaimer?
A stacker and reclaimer, also known as a bucket wheel stacker reclaimer, is a large, continuous-operation machine designed for stacking and reclaiming bulk materials in storage yards. It combines the functions of stacking (storing materials) and reclaiming (retrieving materials) into a single, highly efficient system. These machines are essential in industries where large volumes of materials like coal, iron ore, and aggregates need to be managed efficiently.
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Our company’s cantilever bucket wheel stacker and reclaimer, for instance, features a boom length ranging from 20 to 60 meters and a handling capacity of 100 to 10,000 tons per hour. It is widely used in linear stockyards, making it an ideal solution for bulk material storage and retrieval.
How Does a Stacker and Reclaimer Work?
The stacker and reclaimer operates through a combination of advanced mechanisms designed for seamless material handling. Here’s a step-by-step breakdown:
Stacking Process
When in stacking mode, the machine receives materials from an incoming conveyor via its tail section.
The materials are transported along the boom conveyor and discharged from the head of the boom, spreading them evenly across the stockpile.
This process is continuous, allowing for rapid and efficient stacking of bulk materials.
Reclaiming Process
In reclaiming mode, the bucket wheel (a rotating wheel equipped with multiple buckets) excavates materials from the stockpile.
The reclaimed materials are then transferred to the boom conveyor, which reverses direction to carry them to the center funnel.
From there, the materials are discharged onto the yard conveyor for transport to their next destination.
While the machine can perform both stacking and reclaiming, these operations cannot occur simultaneously. However, its ability to switch between modes quickly ensures minimal downtime and maximum productivity.
Key Features of Our Stacker and Reclaimer
Our stacker and reclaimer stands out due to its innovative design and advanced features:
High Efficiency
Combining lifting, transporting, and excavating functions, the machine operates continuously, ensuring high productivity. The integration of digging and conveying mechanisms allows for simultaneous material retrieval and transport.Low Energy Consumption
The use of low-resistance belt conveyors and rolling bearings in the slewing mechanism reduces power consumption, making the machine energy-efficient.Long Service Life
With minimal impact during operation and reduced wear on components, the machine is built to last. The bucket teeth are made of wear-resistant materials, further extending its lifespan.User-Friendly Operation
Equipped with PLC control systems, the machine supports semi-automatic and fully automated operations. The cantilever slewing mechanism uses 1/cosψ variable frequency speed control, ensuring optimal efficiency.Advanced Design Methods
Our design process incorporates computer-aided design (CAD), 3D modeling, and optimized steel structure design. By leveraging international advanced technologies and decades of experience, we ensure our machines are both technically advanced and reliable.Precision Manufacturing
State-of-the-art production equipment and processes, such as steel pretreatment lines and large boring mills, guarantee high-quality and corrosion-resistant components. Key structural parts are assembled in-house, and drive systems are tested before delivery.
Types of Stacker and Reclaimers
Stacker and reclaimers can be broadly classified into two types:
Boom-Type Stacker Reclaimer
This type includes a metal structure, tail section, boom conveyor, travel mechanism, bucket wheel, and slewing and luffing mechanisms. The boom conveyor is designed for reversible operation, enabling both stacking and reclaiming functions.Portal-Type Stacker Reclaimer
This variant features a gantry-like structure and is suitable for specific yard layouts and material handling requirements.
Applications of Stacker and Reclaimers
Stacker and reclaimers are widely used in:
Ports: For handling imports and exports of bulk materials.
Power Plants: To manage coal storage and retrieval.
Steel and Cement Plants: For handling raw materials like iron ore and limestone.
Mining Operations: To streamline the storage and transport of extracted materials.
Conclusion
The stacker and reclaimer is a cornerstone of modern bulk material handling, offering unparalleled efficiency, reliability, and versatility. Whether you’re in power generation, mining, or manufacturing, investing in a high-quality stacker and reclaimer can significantly enhance your operational productivity.
At our company, we combine cutting-edge technology with decades of expertise to deliver stacker and reclaimers that meet the highest standards of performance and durability. To learn more about how our machines can optimize your material handling processes, feel free to reach out to us!
HENAN ZEHUA HEAVY INDUSTRY EQUIPMENT CO., LTD
Email: sale@zehuacranes.com
Website: [https://www.zehuacranes.com/]
Whatsapp：86-19562739544
