Alva Crusher: Leading The New Ecosystem of Global Recycling

In industrial production and urban renewal, solid waste resources such as scrap iron, scrap steel, scrap aluminum, and scrap plastics have long faced challenges in recycling, sorting, and low added value. According to the Bureau of International Recycling (BIR), approximately 1.2 billion tons of this waste metal and plastic are not efficiently utilized annually, with some ending up in landfills as part of domestic waste. This wastes resources and contributes to heavy metal pollution and plastic degradation. As a global leader in solid waste shredding and recycling, Alva Crusher has developed customized shredding and sorting technology tailored to the specific characteristics of these finely divided materials. This streamlined process—recycling, shredding, purification, and recycling—transforms low-value waste into high-purity industrial raw materials, injecting "Alva Power" into global resource recycling.

I. Addressing the Pain Points of Subdivided Materials: Alva's "Customized Solution"

While scrap iron, scrap steel, broken aluminum, and scrap plastics are all recyclable solid waste, their physical properties and impurity content vary significantly. Traditional general-purpose crushing equipment struggles to achieve a balanced balance of efficiency and purity:

Scrap iron and steel: Mostly used machine tool parts, construction rebar, and cans, they have irregular shapes (elongated strips, blocks), often containing concrete and paint coatings. Traditional crushing methods can easily lead to over-crushing or residual impurities, affecting the purity of the recycled steel.

Broken aluminum: A core waste material from door and window dismantling, it consists of aluminum alloy profiles and insulation strips (plastic/rubber). It requires "aluminum-plastic separation." Traditional manual sorting is inefficient (only 500kg per person per day) and incomplete.

Scrap plastic: This includes used packaging, appliance casings, automotive plastic parts, and other materials, mixed with PP, PE, and PVC. Some scrap metals contain metal accessories (such as screws and clips), which require precise sorting after shredding, otherwise the properties of the recycled plastic will be affected.

To address these pain points, Alva has abandoned a one-size-fits-all approach and adopted a "material-property-adapted technology + modular equipment" approach. They customize a "high-intensity shredding + magnetic separation/eddy current separation" system for scrap metals and a "low-temperature embrittlement + air separation/color sorting" process for scrap plastics. This ensures maximum efficiency, purity, and minimal loss during the shredding process for each type of material.

II. Core Technology Solution: "Specialized Crushing and Recycling Systems" for Four Product Categories

1. Scrap Iron and Steel: High-intensity crushing + multi-stage purification to produce high-purity scrap steel raw materials

Alva's specialized jaw crusher + cone crusher system is designed specifically for scrap iron and steel processing:

Crushing Adaptation: The jaw crusher first performs "coarse crushing" of long scrap steel (such as rebar and angle steel) to prevent entanglement in the equipment. The cone crusher then performs "secondary crushing" of bulk scrap steel (such as machine tool bases and scrap steel ingots), controlling the output particle size to 50-150mm (meeting steel mill furnace requirements).

Impurity Separation: After crushing, the material undergoes "primary magnetic separation + secondary screening" – a strong magnetic drum separates ferromagnetic materials (purity ≥99.5%), while a vibrating screen removes non-metallic impurities such as concrete lumps and stones. The final scrap steel has an impurity content of ≤0.5%.

High Efficiency and Energy Saving: The equipment utilizes "hydraulic drive + intelligent load adjustment" This technology automatically increases pressure when crushing hard scrap and reduces speed when encountering soft impurities. This reduces energy consumption by 22% compared to traditional equipment, and allows for a processing capacity of 200-500 tons per day.

At a scrap steel recycling plant in Mumbai, India, this system processes 300 tons of used construction steel and machine tool waste daily. The resulting high-purity scrap steel is directly supplied to local steel mills, replacing 15% of iron ore. The processing cost per ton is only 80 yuan, generating over 1.2 million yuan in additional profit annually for the recycling plant.

2. Scrap Broken Bridge Aluminum: Aluminum-Plastic Separation + Aluminum Purification, Achieving "Dual Recycling of Aluminum and Plastic Resources"

Taking advantage of the "aluminum-plastic composite" characteristics of scrap broken bridge aluminum, Alva has developed a dedicated crushing and separation production line for scrap broken bridge aluminum. Its core focus is "efficient separation and dual recycling":

Precision Crushing: Utilizing a "rotating shear crusher," high-speed rotating blades shear the broken bridge aluminum profiles into 5-10mm particles, ensuring complete separation of the aluminum profiles from the insulation strips and preventing excessive crushing of the insulation strips.

Aluminum-Plastic Separation: After crushing, the mixed particles enter an "eddy current separator," utilizing the electrical conductivity difference between aluminum and plastic to separate the aluminum alloy particles using a high-frequency magnetic field (recovery rate ≥ 98%). The plastic particles are further purified through air separation (purity ≥ 95%).

Aluminum Upgrading: The separated aluminum alloy particles undergo a "polishing and paint removal" process to remove the surface paint coating. The resulting pure aluminum particles can be directly used in the production of aluminum alloy profiles, while the plastic particles are used as recycled plastic raw material for injection molding. At a door and window dismantling base in Foshan, China, this production line processes 200 tons of scrap aluminum alloys daily, separating 150 tons of pure aluminum pellets and 45 tons of plastic pellets. The pure aluminum pellets are sold for 18,000 yuan per ton, while the plastic pellets are sold for 4,000 yuan per ton. Compared to traditional landfill disposal, this increases annual revenue for the base by over 8 million yuan while also reducing plastic pollution.

3. Waste Plastics: Classified Crushing + Precision Sorting to Produce High-Value Recycled Plastics

Alva's multi-stage waste plastic crushing and sorting system solves the problem of mixed materials and difficult impurity removal:

Pre-processing Crushing: A hammer crusher is used for hard waste plastics (such as appliance casings), while a shredder + granulator combination is used for soft waste plastics (such as packaging film) to prevent soft plastics from entanglement in the equipment.

Multi-stage Sorting: After crushing, the plastic pellets first undergo magnetic separation to remove metal attachments, then pass through a color sorter to sort by color (e.g., white PP, black PE), and finally pass through a density separator to separate different plastic materials (e.g., PVC and PE), ensuring that each type of recycled plastic is of a single material.

Performance Guarantee: Equipped with a low-temperature drying system, it removes moisture from the plastic pellets (moisture content ≤ 0.3%), preventing air bubbles during the recycling process and ensuring that the tensile strength and impact strength of the recycled plastic meet industry standards. At a plastics recycling company in Düsseldorf, Germany, this system processes scrap automotive plastic parts, producing recycled PP plastic that can be directly used in car bumper production, achieving a 90% recycling rate. This reduces the cost of purchasing new materials by 40% and saves over 5,000 tons of plastic waste from landfill annually.

III. Global Application Cases: "Divided Recycling Practices" from Recycling Plants to Industrial Parks

1. Scrap Steel Recycling: Helping the Steel Industry Reduce Carbon and Costs

At a large steel plant in Rio de Janeiro, Brazil, Alva installed an integrated "scrap steel crushing - purification - furnace feeding" production line. This system processes 500 tons of scrap shipbuilding steel plates and construction steel scrap daily. The resulting high-purity scrap steel is directly fed into the furnace for smelting, reducing the plant's iron ore consumption by 20% and lowering carbon emissions by 180 kg per ton of steel, resulting in an annual reduction of over 30,000 tons of carbon emissions. The system has been recognized as a "Brazilian Steel Industry Green Transformation Demonstration Project." 2. Scrap Broken-bridge Aluminum: Enabling "Circular Production" in the Door and Window Industry Park in Ho Chi Minh City, Vietnam, Alva provides a centralized scrap broken-bridge aluminum processing service for 20 door and window companies within the park. A shared crushing and separation center processes 300 tons of scrap broken-bridge aluminum daily. The separated pure aluminum granules are supplied to the park's profile factories, and plastic granules are supplied to local injection molding companies. This creates a closed loop of "door and window production - use - disassembly - recycling - remanufacturing." This has increased the park's raw material self-sufficiency rate to 35% and reduced logistics costs by 25%.

3. Waste Plastics: Promoting Sustainable Development in the Packaging Industry

At a food packaging company in London, UK, the Alva waste plastic shredding and sorting system processes used PET bottles. After shredding, cleaning, and pelletizing, the recycled PET material is used to produce new food packaging film. The recycled material accounts for 50% of the content, meeting EU food contact material standards (EU No. 10/2011), helping the company achieve its goal of 100% recyclable packaging materials and earning EU "Green Packaging Certification."

IV. Future Direction: Deepening Segmentation and Building a "Full-Category Recycling Ecosystem"

To address the diverse needs of specialized solid waste, such as scrap metal and plastics, Alva has developed three major upgrade plans:

Technological Refinement: Developing an "AI Material Recognition System" that automatically identifies the material of scrap plastics (PP/PE/PVC) and the grade of scrap metals (Q235 steel, 6061 aluminum) through spectral analysis, enabling "instant identification and automatic matching of crushing parameters" upon arrival;

Equipment Miniaturization: Launching a "Mobile Scrap Metal/Plastic Shredding Station" suitable for small recycling sites. Occupying only 50 square meters and with a processing capacity of 5-20 tons/day, it meets the decentralized processing needs of communities and small dismantling plants;

Cooperative Ecosystem: Collaborating with global scrap metal and plastic recycling associations to establish "Recycled Raw Material Quality Standards." This will promote the recognition of recycled raw materials produced by Alva's shredding equipment by mainstream industrial companies worldwide, establishing an international chain of "shredding-recycling-application." From repurposing scrap iron and steel as raw materials for steelmaking, to recycling aluminum and plastics for dual recycling, to repurposing plastics for high-value recycling, Alva Crusher believes that every type of solid waste is a "misplaced resource." In the future, Alva will continue to delve deeper into these niche areas, using more precise technology and flexible solutions to give more low-value waste materials a new lease of life, injecting lasting momentum into the global circular economy.

For more information on Alva's recycling solutions for scrap iron, steel, aluminum, and plastic, please contact us through our website.