Vibrating screen machine plays an important role in solar panel recycling process. Whether mechanical solar panels disposal or photovoltaic panels pyrolysis. Because it can sieve out metals and silicon you want to recycle. This is greatly beneficial for quality materials recycling. Here, SX vibrating screen machine is an ideal choice for you. According to the requirements of recyclers, we especially design circular and linear screening machines for your choice. If you have any other requirements, you can contact us for customization.

What can vibrating screen machine do for quality metals and silicon recycling?

If you want to recycle quality metals and silicon for solar panels disposal, it is essential to use a screening equipment. Why? What can it do for solar panels disposal?

Reducing contaminants

Vibrating screener remove oversized or undersized particles, such as dust, adhesives, or uncrushed debris. For this, it can help to purify the target materials like silicon powder or metal fragments, and improve their quality for reuse or refining.

Improving separation efficiency

By using multi-layer mesh decks, vibrating screen machine can sort crushed solar panel components into different particle sizes. And this enables efficient separation of glass, plastics, copper, and silicon fragments, providing a solid foundation for downstream recovery processes.

How does vibrating screeners work to sieve your material?

Vibrating screener are widely used in industrial processes to separate materials by size. They achieve this by applying vibration to a screening surface, causing the material to move across and be sorted through mesh openings. So, there are two common types of vibrating screeners: linear vibrating screener and circular vibrating screener. And each operates with a distinct motion pattern and serves specific applications.

Linear vibrating screener

A linear vibrating screener uses two counter-rotating motors to generate a straight-line vibration. And these motors are installed at the sides or bottom of the machine. When powered on, they create a horizontal and vertical combined force that propels the material forward in a straight path.

linear vibrating separator working principle

As the screen vibrates, material is lifted and thrown forward. Finally, finer particles pass through the mesh while larger particles continue moving until they exit the discharge outlet.

Circular vibrating screen machine working principle

Circular vibrating screen machine

In contrast, a circular vibrating screener uses a single eccentric shaft to produce circular motion. And the shaft is mounted at the screen’s center and rotates to generate a centrifugal force. This causes the entire screen body to move in a circular path.

As a result, material on the screen surface spirals and tumbles while moving gradually toward the outlet. So, finer particles fall through the screen during this motion, while oversize particles are discharged at the end.

What is the difference between linear and circular vibrating screen machines?

In the solar panel recycling line, especially after crushing the backsheet layer of photovoltaic (PV) modules, effective screening becomes a key step to separate fine particles, plastic fragments, and residual dust. Choosing the right vibrating screen machine—linear or circular—directly affects the efficiency, purity, and yield of your material recovery.

Suitability for crushed backsheet material

Linear vibrating screener are more aggressive and efficient when dealing with dry, compact, granular material, such as burnt or aged PV backsheets. So, they are also better at separating heavier contaminants like residual aluminum foil or coarse filler particles. Circular screens, however, are often preferred for lighter, more elastic or fibrous particles, such as EVA (ethylene-vinyl acetate) residue or multilayer polymer backing. For this, their gentle motion reduces re-agglomeration and allows better dispersion of fine fragments.

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Design consideration and maintenance

Linear vibrating screen machine typically require more space and involve slightly more complex maintenance due to their dual-motor system. However, they offer high throughput and layered screening capacity for large-scale backsheet processing lines. And circular vibrating screen features a compact design and simpler drive mechanism. So, they are easier to clean and adjust, which is useful for modular recycling units handling mixed PV material streams.

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Other things most recyclers want to know

  • What screen mesh materials of vibrating sieve machine are available?

    Most vibrating screeners support stainless steel (304/316), PU (polyurethane), or carbon steel mesh, depending on the material being screened. For corrosive or fine particle applications, such as processing solar panel backsheets, we recommend stainless steel for its durability and cleanliness.

  • How often do you need to replace the screen mesh of vibratory screening equipment?

    It depends on material abrasiveness, screen tension, and runtime. Typically, screen mesh lasts 2–6 months under regular operation. For abrasive materials like glass fiber or EVA particles, consider using reinforced mesh or double-layer design to extend lifespan.

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