Description
SZ Series Vibrating Grizzly Feeder for Primary Crushing Efficiency
Maximize your primary crushing plant’s productivity with the Sunwe Alimentador Grizzly Vibratório Série SZ. Specifically engineered to handle severe impact loads and high-capacity feed from large excavators, shovels, and mining trucks, this heavy-duty vibrating feeder ensures a continuous, uniform feed rate even under the most rigorous quarrying and mineral processing conditions.
By integrating intelligent pre-screening technology, the SZ series effectively separates undersized fine particles before the material reaches your primary jaw crusher. This critical pre-classification step drastically reduces primary crusher wear, prevents choke-feeding, and optimizes overall downstream plant throughput.
Key Benefits of Sunwe Vibrating Grizzly Feeders
- Enhanced Primary Crusher Capacity: Efficiently removes undersized materials ahead of the primary crusher, lowering the load requirements for your primary crushing equipment.
- Heavy-Duty Structural Durability: Designed with rugged spring suspension systems and a robust structural frame to withstand high-impact Run-of-Mine (ROM) dumping conditions.
- Optimized Material Segregation & Flow: Engineered vibration angles ensure precise particle stratification, forcing finer materials to the bottom of the bed for advanced pre-screening.
- Flexible Engineering Configurations: Customizable options include standard solid pan layouts, full grizzly bar sections, or integrated screen decks for specialized multi-stage scalping.
Technical Specifications & Model Matrix
| Model | Poder (kW) | Width (milímetros) | Length (milímetros) | Area (㎡) | Máx.. Feed (milímetros) | Capacidade (t/h) | Compatibility with Primary Crusher |
|---|---|---|---|---|---|---|---|
| SZ0940 | 18.5 | 960 | 4,000 | 3.8 | 500 | 120-240 | SJ750 / SJ900 |
| SZ1150 | 22 | 1,100 | 5,000 | 5.5 | 650 | 240-350 | SJC108 / SJ1100 |
| SZ1360 | 30 | 1,300 | 6,000 | 7.8 | 750 | 400-560 | SJC/118/SJC125 / SJ1200 |
| SZ1670 | 45 | 1,600 | 7,000 | 11.2 | 1,000 | 500-800 | SJC140 / SJ1500 |
| SZ1870 | 55 | 1,800 | 7,000 | 12.6 | 1,200 | 850-1,300 | SJC165 / SJ1500 / SJ1800 |
| SZ2070 | 75 | 2,000 | 7,000 | 14 | 1,200 | 900-1,200 | SJ1500 / SJ1800 |
Model Nomenclature & Custom Options:
- SZ Series: Standard heavy-duty configuration featuring a solid feed plate at the input end and an adjustable grizzly section at the discharge end.
- SZ-B Version: Optional full solid plate feeder type.
- SZ-BT Version: Optional full grizzly bar type feeder.
- SZ-EWM Version: Advanced multi-stage configuration featuring a solid pan, ending grizzly, and an integrated screen deck for precise separation.
How Does a Vibrating Grizzly Feeder Work?
The operational principle of a Vibrating Grizzly Feeder relies on dual-shaft or mechanical linear vibration to synchronously transport and classify raw minerals:
- Feeding & Stratification: Raw quarry materials land on the reinforced solid pan section. The synchronized linear vibration mechanism generates an angled directional throw, moving the material forward while naturally allowing finer particles to settle to the bottom.
- Advanced Scalping & Pre-Screening: As the material bed travels across the heavy-duty grizzly bars, pre-sorted fines drop cleanly through the bar openings, completely bypassing the primary jaw crusher.
- Triturador & Conveyor Protection: Bypassed fines are typically directed onto the under-conveyor first. This acts as an organic cushioning layer against heavy, sharp rocks exiting the jaw crusher, significantly prolonging conveyor belt lifespan.
Industrial Applications
Domingo Vibrating Grizzly Feeders are widely implemented across demanding global mining and aggregate processing sites:
- Quarrying & Aggregate Production: Delivering reliable, regulated ROM material to primary jaw and impact crushers.
- Rip-Rap & Armor Stone Processing: Sorting large rock blocks and aggregates for dam construction, erosion prevention, and civil engineering projects.
- Contaminant & Soil Reclamation: Scalping sticky clay, soil, and roots out of raw mineral deposits to enhance product purity.
- Material Distribution: Spreading narrow conveyor outputs evenly across wider secondary crushers or processing equipment.
Frequently Asked Questions (FAQ)
What is the main purpose of a vibrating grizzly feeder?
The primary purpose of a vibrating grizzly feeder is to regulate the raw material flow into a primary crusher while simultaneously scalping (screening out) pre-sized fines. This prevents the crusher from choking, reduces internal wear, and allows plant operators to choose a more cost-effective, perfectly sized primary crusher.
What types of materials can Sunwe grizzly feeders handle?
Sunwe heavy-duty grizzly feeders are engineered to process high-abrasion materials, including granite, basalto, limestone, iron ore, quartz, and recycled concrete, even when subjected to severe, high-impact truck dumping conditions.











