Portable Alluvial Gold Dredger for River Mining

Qingzhou Jinqi Mining Machinery Co., Ltd. is a professional manufacturer of Portable Alluvial Gold Dredger for River Mining. Our company is located in Weifang City, Shandong Province, China. As the original factory of gold dredgers, we offer you the most competitive product prices and high-quality services. The equipment is our flagship product, which is currently available for direct sale from the manufacturer.

Send Inquiry

Product Description

The Portable Alluvial Gold Dredger for River Mining produced by Qingzhou Jinqi Mining Machinery Co., Ltd. is an integrated waterborne mining and processing equipment designed for operations in water areas such as river channels and shallow lakes. It combines digging, screening, washing, separation, and tailings discharge functions into one unit. Its core principle is to separate sand gold by leveraging differences in gravity, tailored to the occurrence characteristics and mining requirements of riverbed sand gold. It serves as the primary product for River Gold Dredger

This gold dredger is suitable for the mixed sand-gravel layer at the bottom of river channels (the sand gold-enriched layer), particularly well-suited for hard ore layers with a high content of pebbles and clay or soft fine sand layers. It can operate in water depths ranging from 1 to 30 meters.

Portable Alluvial Gold Dredger for River Mining

Structural Composition

This portable alluvial gold dredger for river mining operates through the coordinated work of multiple functional modules, forming a complete mining and processing system.

System	keyComponents	Functional Description
Excavation System	Bucket Chain/Reamer	The bucket chain vertically cuts into the riverbed to excavate gold-bearing gravel. The cutter-suction mechanism agitates the sediment and then aspirates it through suction pipes.
Screening System	Trommel Screen/Vibrating Screen	The process involves classifying and rejecting coarse gravel particles larger than 10-15 mm, while retaining fine-grained ore sand for subsequent ore washing.
Washing and Beneficiation System	High-pressure spraying + ore washing trough	High-pressure water (0.5–1.2 MPa) strips clay from placer gold surfaces, forming a homogeneous slurry for subsequent processing.
Separation System	Sluice box + Centrifugal concentrator + Jig separator	Gold grains are separated from light mineral sands by gravity concentration, with the gold grains settling into the concentrate trough.
Tailings Management System	Tailings discharge pump + conveying pipeline	Discharge the separated tailings to designated areas to prevent accumulation and contamination
Auxiliary System	Hull, propulsion, and maneuverability	The pontoon-style hull ensures buoyancy, with hydraulic/electric propulsion and an integrated control console enabling one-touch start/stop operation.

Portable Alluvial Gold Dredger for River Mining

Key Technical Parameters and Selection Criteria

Parameters	Key Selection Criteria	common ranges
Throughput	Match ore reserves with grade	Daily processing capacity: 200–1,000 metric tons Hourly processing capacity: 50–800 cubic meters (m³)
ExcavationDepth	Adapt to river water depth	Bucket chain type: 1–8 meters Suction type: 10–30 meters
Recovery Rate	Key Performance Indicators	85%-95%
Power	Duration of homework	Fuel Type: Diesel Power Output Range: 100–500 kW Fuel Consumption Rate: 50–200 L/h
Applicable ore seam	Geological conditions	Material-Equipment Selection Guide: Cobble layer: Bucket chain excavator Fine sand layer: Suction excavator Narrow river channel: Clamshell bucket excavator

Portable Alluvial Gold Dredger for River Mining

The gold dredger serves as the core equipment in river placer gold mining. Through integrated mining-processing design and gravity separation technology, it achieves efficient and low-cost recovery. Equipment selection must consider ore layer conditions, water depth, and processing capacity requirements, while strictly complying with regulatory and environmental protection standards.

Qingzhou Jinqi Mining Machinery Co., Ltd. strictly adheres to the "One Mine, One Solution" philosophy, delivering customized gold dredgers tailored to each client's specific requirements. If you are also interested in Portable Alluvial Gold Dredger for River Mining, please contact us.

Portable Alluvial Gold Dredger for River Mining