Vibrating Bar Grizzly Feeder
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Integrated Feeding & Pre-screening: The grizzly bars separate mud and fines in advance, reduce crusher blocking rate and greatly improve hourly output of the whole line.
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Wear-resistant & Impact-resistant Bars: The slotted bar structure has good permeability. Compared with ordinary trough feeders, it runs more smoothly when handling muddy and wet stones.
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Linear Vibratory Drive: Discharge bars are cast of high manganese steel, resistant to impact and abrasion from lump ores, easy to replace with low maintenance cost.
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Stable Feeding & Low Noise: Vibration conveying ensures steady discharge without material surges. It operates smoothly and supports variable frequency speed regulation linked with crushers.
1. Product Overview
Vibrating Bar Grizzly Feeder is a special feeding machine with dual functions of uniform feeding and pre-screening. The front section is a conveying trough, while the discharge end is equipped with high manganese steel wear-resistant bar grizzlies. While transporting large rocks to crushers, it can remove soil, stone powder and fine sand in advance to reduce invalid load and liner wear of crushers. It is essential front-end supporting equipment for aggregate and mining coarse crushing production lines.
2. Detailed Description
Two vibration motors rotate synchronously and reversely to generate directional alternating exciting force, driving the machine to vibrate and throw materials forward with high frequency and small amplitude. As materials pass through the bar grizzly section, fine powder and soil leak through gaps between bars, while large stones move forward along the bars into the crusher, realizing integrated feeding and screening. Feeding capacity can be adjusted by tuning eccentric blocks or installing frequency converters.
3. Why Choose Us
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Integrated feeding & pre-screening, mud removal to reduce crusher load: Screen bars separate fine mud automatically, prevent crushing chamber clogging and extend wear parts service life.
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Split wear-resistant screen bars, single piece replaceable to cut maintenance cost: High alloy wear bars can be replaced individually instead of whole tank, greatly shorten maintenance downtime.
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Anti-block large gap bars, ideal for wet sticky stone with high clay content: Open bar structure avoids mud accumulation, stable feeding for rainy mines, construction waste and soil mixed stone.
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Dual-motor synchronous vibration, variable frequency for adjustable steady feeding: BDual-motor synchronous vibration, variable frequency for adjustable steady feeding
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Thickened heavy tank, withstand direct impact of large lumps from silo:Reinforced ribbed steel tank allows installation under silos, capable of conveying oversized raw ore lumps.
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No complicated transmission structure, stable operation for all crushing front ends: Driven only by vibrators without fragile transmission parts, widely matched with aggregate, mine, coal and solid waste crushing lines.
4. Specifications & Technical Data
| Model | Max Feed Size(mm) | Capacity(t/h) | Motor Power（kW） | Installation Angle deg |
| GZD Series | ||||
| GZD-850×3000 | 400 | 120 | 7.4 (3.7×2) | 5 |
| GZD-1000×3600 | 500 | 150 | 11.0 (5.5×2) | 5 |
| GZD-1100×4200 | 580 | 240 | 11.0 (5.5×2) | 5 |
| GZD-1100×4900 | 580 | 280 | 15.0 (7.5×2) | 5 |
| GZD-1300×4900 | 650 | 450 | 22.0 (11×2) | 5 |
| BTZS Series | ||||
| BTZS-936 | 220 | 200-220 | 18.5 | -5~0 |
| BTZS-1248 | 300 | 250-280 | 22 | -5~0 |
| BTZS-1548 | 300 | 320-350 | 30 | -5~0 |
| BTZS-1560 | 300 | 320-350 | 30 | -5~0 |
| BTZS-1660 | 300 | 280-350 | 30 | -5~0 |
| BTZS-1848 | 300 | 280-350 | 30 | -5~0 |
| GZT Series | ||||
| GZT-0724 | 450 | 30-80 | 3.0 (2×1.5) | 10 |
| GZT-0932 | 560 | 80-150 | 4.8 (2×2.4) | 10 |
| GZT-0940 | 560 | 80-180 | 7.4 (2×3.7) | 10 |
| GZT-1148 | 600 | 150-300 | 11.0 (2×5.5) | 10 |
| GZT-1256 | 800 | 180-400 | 15.0 (2×7.5) | 10 |
| GZT-1560 | 1000 | 400-600 | 26.0 (2×13) | 10 |
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