High Efficiency Multi-Deck Probability Screening Equipment

Вероятностный грохот

The GLS probability screen is designed for high-efficiency material classification using probabilistic screening principles. It delivers large capacity, high screening accuracy, and low energy consumption, making it ideal for mining, aggregates, coal, and building materials industries.

  • Производительность: 15–200 t/h
  • Multi-deck design: 2–8 layers
  • Screening efficiency: ≥95%
  • Feed size: ≤50 mm

Engineered for fine material separation и high-throughput operations

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Product Overview

The GLS series probability screen uses a multi-layer, large-inclination screen surface combined with high-frequency vibration to achieve efficient particle separation.

Unlike conventional vibrating screens, the probability screen applies a probability-based screening mechanism, where materials have multiple opportunities to pass through the mesh. This significantly improves screening efficiency, especially for fine and medium particle sizes.

It is widely used in:

  • Mining and mineral processing
  • Sand and aggregate production
  • Coal preparation plants
  • Chemical and building materials industries

Working Principle of Probability Screen

The probability screen operates based on probability screening theory, utilizing multiple screen decks arranged at steep angles.

Key Mechanism:

  • Material is fed evenly onto the top screen layer
  • High-frequency vibration disperses particles quickly
  • Large inclination angle (30°–60°) accelerates material flow
  • Multi-layer mesh increases screening opportunities
  • Fine particles pass through early, coarse particles move downward

This design ensures:

  • Faster material stratification
  • Reduced material clogging
  • Higher screening accuracy
Вероятностный грохот
Вероятностный грохот

Преимущества продукта

  • High Screening Efficiency
    • Achieves ≥95% efficiency due to multi-deck probability screening design.
  • Large Processing Capacity
    • Handles 15–200 t/h with stable performance across different materials.
  • Anti-Clogging Design
    • Steep angle and high-frequency vibration reduce mesh blockage.
  • Flexible Configuration
    • Supports 2–8 screen layers and customizable mesh sizes.
  • Энергоэффективность
    • Optimized vibration system reduces power consumption.
  • Durable Structure
    • Heavy-duty steel frame ensures long service life in harsh environments.

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Key Parameters of GLS Probability Screen

МодельGLS0605GLS0820GLS1018GLS1020GLS1224GLS1530GLS1536GLS1830GLS1845GLS2030GLS2045
Ярусы2–82–82–82–82–82–82–82–82–82–82–8
Screen TypeWoven MeshWoven MeshWoven MeshWoven MeshWoven MeshWoven MeshWoven MeshWoven MeshWoven MeshWoven MeshWoven Mesh
Max Feed Size (mm)≤50≤50≤50≤50≤50≤50≤50≤50≤50≤50≤50
Площадь сита (м²)0.91.61.82.02.94.55.45.48.16.09.0
Угол наклона (°)5–305–305–305–305–305–305–305–305–305–305–30
Vibration Frequency (1/min)960960960960960960960960960960960
Double Amplitude (mm)5–85–85–85–85–85–85–85–85–85–85–8
Capacity (t/h)15–5015–5030–12030–12030–12030–16030–16030–18030–18050–20050–200
Эффективность грохочения≥95%≥95%≥95%≥95%≥95%≥95%≥95%≥95%≥95%≥95%≥95%

Области применения

The GLS Series is optimized for the medium, fine, and ultra-fine classification of dry bulk solids in heavy industries, including:

Metallurgy & Metal Powder

Metallurgy

Fine and medium classification of iron ore, non-ferrous metal ores, and sintering materials.

Ceramics & Building Materials

Building Materials & Aggregates

Size grading for frac sand, dry-mixed mortar, crushed limestone, gypsum, and cement clinker.

Переработка угля

Coal Industry

High-capacity classification, desliming, and media recovery for raw coal and clean coal.

Тонкая химия

Chemicals & Refractories

Precise particle size calibration for chemical powders, fertilizer granules, and refractory brick raw materials.

Статьи по теме

GLS Series Probability Screen – FAQ

The GLS probability screen uses multi-layer decks with steep angles (5°–30°) and much larger mesh openings (2–10× the target size). Instead of relying on mesh restriction, it separates particles based on probability and high-speed stratification, reducing clogging and improving efficiency.

Yes. The deck angle can be adjusted between 5° and 30°. This allows operators to control material flow speed and optimize the balance between capacity and screening accuracy.

The decks use wear-resistant stainless steel woven mesh such as SUS304 or SUS316. The steep design reduces material impact, extending service life even in abrasive applications like ore or sand screening.

The larger mesh openings allow near-size particles to pass freely, avoiding blockage. In addition, dual vibration motors generate high-frequency linear motion, keeping the material fluidized and preventing sticky fines from adhering to the mesh.

The GLS series uses external dual vibration motors that require only routine bearing lubrication. Since they are externally mounted, inspection and replacement are simple without dismantling the screen body, reducing downtime.

The screen body is supported by high-elasticity springs or rubber shock absorbers, which reduce vibration transmission by more than 90%, protecting the supporting structure and foundation.

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