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River Gold Dredger for Placer Gold Extraction
  • River Gold Dredger for Placer Gold ExtractionRiver Gold Dredger for Placer Gold Extraction
  • River Gold Dredger for Placer Gold ExtractionRiver Gold Dredger for Placer Gold Extraction
  • River Gold Dredger for Placer Gold ExtractionRiver Gold Dredger for Placer Gold Extraction

River Gold Dredger for Placer Gold Extraction

Qingzhou Jinqi Mining Machinery Co., Ltd. is a professional and reliable manufacturer of gold dredgers, we can offer high performance products with comprehensive services. Our flagship product, the River Gold Dredger for Placer Gold Extraction, is currently available for direct factory sales, welcome to contact us.

Qingzhou Jinqi Mining Machinery Co., Ltd., as a professional manufacturer and supplier of River Gold Dredger for Placer Gold Extraction, provides highly efficient solutions for alluvial gold mining.

This product is suitable for operation in rivers, shallow lakes, and other water bodies, integrating multiple functions including excavation, screening, washing, separation, and tailings discharge. Therefore, there is no need to prepare separate equipment for each step.

The core principle of the gold dredger's operation is the separation of placer gold using gravity differences, and we have optimized the design based on the characteristics of alluvial gold deposits and mining requirements in practical use.


River Gold Dredger for Placer Gold Extraction


Structural Composition

To achieve multi-functionality in a single unit, our River Gold Dredger for Placer Gold Extraction integrates multiple functional modules that work together to form 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.


River Gold Dredger for Placer Gold Extraction

River Gold Dredger for Placer Gold Extraction

River Gold Dredger for Placer Gold Extraction


In practical applications, if your operating depth is between 1 and 30 meters, and you need to process hard mineral layers containing a large amount of pebbles and clay, as well as soft fine sand layers, then we highly recommend this River Gold Dredger for Placer Gold Extraction. It can effectively handle the mixed sand and gravel layers at the bottom of rivers that are rich in placer gold.


Application Cases

Around Lake Baikal, Russia: Suction-type gold dredger with a processing capacity of 500m³ per hour and a recovery rate exceeding 90%.


River Gold Dredger for Placer Gold Extraction

River Gold Dredger for Placer Gold Extraction


In Central Asian rivers: Chain bucket-type gold dredger with a daily processing capacity of 1,000 tons, suitable for large-scale mining operations.


River Gold Dredger for Placer Gold Extraction


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 our gold dredger, please contact us.


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