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The high-efficiency dual-purpose vibrating feeder is a multi-functional feeding device specifically designed for primary crushing lines. It combines accurate feeding and efficient scalping/screening of fines in one machine, with a processing capacity of 150–3,000 t/h. It is widely used in mine feeding, building materials, construction waste treatment, and other industries as the front‑end feeder for primary crushing. The feeder features an 11° inclined trough design, forming an efficient conveying slope that ensures smooth material flow without clogging even at high throughput, guaranteeing continuous and stable operation of the production line. The compact and lightweight structure, low weight, and low power consumption make installation as easy as assembling building blocks, with extremely low operating costs. The scalping cover plate is bolted and can be easily replaced or adjusted according to scalping requirements, flexibly adapting to various working conditions. By adjusting the relative angle of the eccentric blocks, the excitation force can be precisely changed, allowing easy control of the feed rate like an "intelligent flow control valve" – perfectly matching material conveying to the subsequent crushing stage. When used as a discharge feeder under an ore bin, it effectively reduces the feed height, significantly lowers feeding energy consumption, and helps enterprises cut costs and improve efficiency.
Dual function – feeding + scalping: One machine simultaneously provides accurate feeding and efficient scalping of fines – reduces the number of equipment in the line, saves investment and space.
11° inclined trough design: High throughput, smooth material flow without clogging – ensures stable and continuous line operation.
Compact, light, low power: Simple and compact structure, low dead weight, low power consumption – easy installation, much lower operating cost than similar equipment.
Precisely adjustable excitation force: Change the excitation force and feed rate simply by adjusting the eccentric block angle – material conveying perfectly matches downstream crushing.
Bolted, replaceable scalping cover plates: Flexible filter module – can be replaced or precisely adjusted at any time to suit different materials and conditions.
Energy‑saving leader for bin bottom feeding: When used as a bin discharge feeder, reduces feed height – significantly lowers feeding energy consumption.
Primary crushing feed in mines: Uniformly and quantitatively feeds primary crushers such as jaw crushers and gyratory crushers – the logistic start of the entire production line.
Sand and aggregate production lines: Front‑end feeding and pre‑scalping of fines in quarries and sand plants – removes clay and impurities to improve product quality.
Bulk material conveying in building materials: Stable feeding from storage bins to crushers in cement plants, lime plants, etc.
Construction waste treatment: Feeding and pre‑scalping before crushing of construction waste – removes soil and fines to increase purity of recycled aggregates.
Mineral processing plant feed: Under‑bin feeding in metal and non‑metal ore processing lines – stabilizes mill feed rate.
Example: 500 t/h feeding section of a sand & aggregate line:
Run‑of‑mine bin → High‑efficiency dual‑purpose vibrating feeder (feeding + scalping) → Jaw crusher (primary crushing) → Subsequent crushing & screening stages
Heavy‑duty feeding: Increased excitation force configuration – suitable for extra‑large ore (max feed ≥1000 mm) and very high capacity requirements.
Fine scalping: Multi‑section scalping cover plates with adjustable bar gaps – fines removal rate >90%, controllable clay content in finished aggregates.
Bin‑bottom energy saving: Installed under the ore bin – reduces feed drop height, lowers impact energy consumption – suitable for underground or semi‑underground bin layouts.
Solution design: Based on material particle size, clay content, capacity targets, and downstream crusher configuration, we provide feeder selection calculations, feeding section process design, and equipment matching – delivering complete technical documentation.
Equipment manufacturing: In‑house production of the feeder main frame, exciter, trough, spring supports, and other core components under ISO quality system. Trough liners options: wear‑resistant steel plate or rubber liner. Support for non‑standard customization of feed capacity and trough dimensions.
Installation & commissioning: Our engineers go to site to guide foundation work, equipment positioning, excitation force adjustment, no‑load and load testing until feed rate and scalping efficiency criteria are met.
Operation & maintenance outsourcing: Full lifecycle O&M services including regular inspections, exciter and spring checks, spare parts supply, operator training, and remote diagnostics. The simple structure requires minimal maintenance – only periodic lubrication and spring inspection in daily operation.
At a large iron ore processing plant feeding project in Ha Tinh Province, Vietnam, the ore hardness is f=10–14, with a designed processing capacity of 15,000 tonnes per day. Two high‑efficiency dual‑purpose vibrating feeders were installed under the run‑of‑mine bin as discharge feeders. The design capacity per feeder was 500 t/h, with actual output reaching 520–560 t/h. The 11° inclined trough design allowed large ore (max feed 800 mm) to slide smoothly into the downstream jaw crusher – no clogging or bridging ever occurred. The bin‑bottom installation reduced the feed height by about 2.5 meters compared to conventional solutions, saving approximately 80,000 kWh per year in lifting and conveying electricity. The scalping cover plates effectively removed clay and fines attached to the ore surface, significantly improving ore cleanliness into the crusher – jaw plate life increased by about 15%. Over four years of operation, the feeders have run stably. The exciters have required only three routine bearing lubrication services, and spring supports have needed zero replacement. The customer’s feedback: "The structure is so simple that there is almost nothing to maintain – it is the lowest‑failure‑rate equipment in our entire plant." For their expansion project, they have already purchased four more feeders of the same model.
| Model | Feed chute size (mm) | Passing Capacity (t/h) |
| DLZGC0938 | 900×3800 | 150-200 |
| DLZG1223 (under-silo) | 1200×2300 | 400-500 |
| DLZGC1238 | 1200×3800 | 250-400 |
| DLZGC1250P | 1200×5000 | 250-500 |
| DLZG1550 | 1500×5000 | 400-1000 |
| DLZGC2050 | 2000×5000 | 800-1600 |
| DLZGC2260 | 2200×6000 | 1800-2200 |
| DLZGC2560 | 2500×6000 | 2000-3000 |
Q1: Can the vibrating feeder both feed and scalp fines at the same time? How effective is the scalping?
A: The core design of the high‑efficiency dual‑purpose vibrating feeder integrates feeding and scalping. As the 11° inclined trough vibrates and conveys the material, fine particles and clay fall through the gaps of the scalping cover plate bars at the bottom of the trough, while coarse ore moves forward along the trough into the crusher. The scalping cover plates are bolted and replaceable – you can change them to different bar gaps according to the clay content and target scalping size. In actual mining conditions, fines removal rates of 85%–95% are achieved. The ore entering the crusher is significantly cleaner, which not only reduces crusher wear but also helps control the clay content of the finished aggregates.
Q2: Can the feed rate of the vibrating feeder be automatically adjusted? How is it matched with the crusher?
A: On the high‑efficiency dual‑purpose vibrating feeder, the excitation force – and thus the feed rate – can be precisely adjusted by changing the relative angle of the two eccentric blocks. The larger the angle, the greater the excitation force and the higher the feed rate. Operators can manually adjust the feed rate according to the real‑time load (current) of the downstream crusher, or automatically via a VFD (variable frequency drive) to achieve constant‑power feeding. If the crusher load is too high, reduce the eccentric angle or lower the VFD frequency to decrease the feed rate; do the opposite if the load is too low. In the Vietnam project, VFD control keeps the feeder’s feed rate perfectly matched to the jaw crusher’s capacity – the crusher operating current fluctuates between 85% and 95% of the rated value, avoiding both overload and idle running.
Get Your High‑Efficiency Feeding Solution Now
Feeding is the logistics lifeline of your entire production line – unstable feeding means idle operation of the whole line. With its compact structure, dual‑function integration, and near‑zero failure performance, the high‑efficiency dual‑purpose vibrating feeder is the most worry‑free front‑end equipment for mining and building material lines. Whether you are building a new crushing line or upgrading an existing feeding system, our engineering team can provide free selection calculations and feeding section process design based on your material characteristics, capacity requirements, and site conditions. Contact us for technical specifications, selection advice, and the latest quotation. A customized feeding solution will be delivered within 24 hours.
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Crushing Equipment,
Sand Making Equipment,
Screening Equipment,
Feeding Equipment,
Mining Conveyor ,
Mobile Crusher
