gold dst washing plant

Addressing the High Costs of Inefficient Alluvial Gold Recovery

For plant managers and site supervisors, the challenges in alluvial gold operations directly impact profitability and operational viability. Are you experiencing these critical issues in your recovery circuit?

• Low Recovery Rates: Are fine and flake gold particles escaping your system? Industry data indicates that conventional sluices and jigs can lose between 15-30% of micron gold to tailings, representing a significant revenue loss.
• Excessive Water Consumption: Does your water procurement and recycling system constitute a major operational expense? In remote locations, water usage can account for up to 25% of total operating costs.
• High Downtime for Maintenance: Are you losing productive hours to unclogging screens, repairing damaged scrubbers, or addressing mechanical failures in the washing circuit? Unplanned downtime can cost thousands per hour in lost production.
• Labor-Intensive Operation: Does your plant require constant operator adjustment and manual feed control to maintain optimal performance, leading to high labor costs and inconsistent results?
• Difficulty with Variable Feed Material: Are clay-bound deposits or changes in gravel composition causing blockages and reducing your plant's throughput capacity?

A purpose-built gold DST washing plant is engineered to systematically address these challenges, transforming your material handling and recovery process.

Product Overview: Advanced Alluvial Gold Processing

The gold DST washing plant is an integrated processing system designed for the efficient recovery of alluvial and eluvial gold deposits. It combines feeding, scrubbing, screening, and concentration into a single, coherent workflow.

Operational Workflow:

1. Feed & Scrubbing: Raw material is fed into a robust hopper and conveyed to a trommel scrubber, which aggressively breaks down clay and cemented gravel.
2. Screening & Sizing: The trommel screen classifies material, directing oversize (waste rock) to a separate stacker while undersize (pay dirt) reports to the concentration unit.
3. Gold Concentration: The heart of the system, typically a Duplex or Triple Deck Sluice (DST), uses a combination of riffle trays and matting to capture fine and coarse gold particles from the slurry based on specific gravity.
4. Tailings Management: Processed waste material is systematically discharged away from the active working area, minimizing re-handling.

Application Scope & Limitations:
This equipment is optimized for alluvial, colluvial, and eluvial deposits. It is not suitable for hard rock lode mining or industrial mineral sands without significant pre-crushing. Optimal performance is achieved with a well-defined water supply and feed material that has been appropriately sized for the plant's intake capacity.

Core Features: Engineered for Performance and Profitability

The design of our gold DST washing plant focuses on delivering measurable operational improvements.

• Heavy-Duty Trommel Scrubber | Technical Basis: High-impact flights combined with water jets | Operational Benefit: Effectively disintegrates tough clay agglomerates and cleans gravels, preventing blockages downstream | ROI Impact: Reduces pre-processing time by up to 40% and increases overall plant availability

• Modular DST Concentration Unit | Technical Basis: Multi-stage sluice with alternating riffle types and specialized recovery matting | Operational Benefit: Captures a broader range of gold particle sizes, from coarse nuggets to fine flakes, minimizing losses to tailings | ROI Impact: Field data shows a consistent 5-15% improvement in overall recovery rates compared to single-stage sluices

• Variable-Speed Feed Conveyor | Technical Basis: Regulated belt drive with adjustable speed control | Operational Benefit: Allows operators to match feed rate to material conditions, ensuring the scrubber and concentrator are never overloaded or underutilized | ROI Impact: Optimizes throughput by maintaining peak efficiency, increasing tons processed per shift

• Integrated Water Recycling System (Optional) | Technical Basis: Settling ponds or clarifier tank configuration | Operational Benefit: Recirculates up to 80% of process water, drastically reducing fresh water requirements | ROI Impact: Cuts water procurement costs significantly; essential for operations in arid regions or with strict environmental permits

• Quick-Release Riffle Trays | Technical Basis: Lever-lock mechanism for secure but fast assembly/disassembly | Operational Benefit: Enables rapid clean-up and concentrate removal without tools, minimizing downtime between runs | ROI Impact: Reduces clean-out time from hours to minutes, adding more productive hours per week

Competitive Advantages: Quantifying the Difference

The following table illustrates how our gold DST washing plant solution compares to conventional industry offerings.

Performance Metric	Industry Standard	Our DST Washing Plant Solution	Advantage
Fine Gold Recovery Rate (<100 mesh)	70-80%	88-95%+	~18% Improvement
Average Tons Processed per Hour (TPH)	Varies widely with feed	Consistent 25-30 TPH rated capacity	More predictable output
Water Consumption (m³ per ton)	5-8 m³/ton	3-4 m³/ton (with recycling)	Up to 50% Reduction
Average Clean-out & Setup Time	2-4 hours	30-60 minutes	~75% Time Savings
Plant Mobility & Relocation Time	Days for disassembly/assembly [Assumes semi-mobile setup]	Hours [Assumes fully trailer-mounted]	Significant reduction in move costs

Technical Specifications

These specifications are for our model DST-30. Other capacities are available.

• Capacity/Rating: Designed for 25-30 Tons Per Hour (TPH) of -100mm feed material.
• Power Requirements: Diesel-driven hydraulics or electric motor options available. Typical requirement: 75 kW (100 HP) prime mover.
• Material Specifications:
  • Trommel Drum: 10mm thick AR400 steel plate.
  • Riffles & Liners: Bolted-in replaceable sections made from hardened steel.
  • Frame & Chassis: High-tensile rectangular tubing.
• Physical Dimensions (Operational): Length: 12m; Width: 4.5m; Height: 5.5m. Trailer-mounted configurations available.
• Environmental Operating Range: Effective performance from -10°C to +45°C. Specific sealing packages are available for high-dust or high-humidity environments.

Application Scenarios

West African Alluvial Gold Operation | Challenge:

The operation faced significant losses of fine gold due to an outdated single-sluice system and constant downtime from clay clogging in the scrubber barrel.

Solution:

Implementation of a trailer-mounted gold DST washing plant featuring an aggressive trommel scrubber and a three-stage DST concentrator with specialized micron-gold mats.

Results:

Within one month of operation:

• Measured gold recovery increased by 22%, confirmed by comparative tailings analysis.
• Downtime due to clay-related blockages was eliminated.
• The mobility of the unit allowed the team to relocate twice as quickly between pit sites.

South American Eluvial Deposit Project |

Challenge:
A small-scale contractor was limited by high labor costs and an inability to process variable feed grades profitably without constant manual adjustment.

Solution:

Deployment of a compact gold DST washing plant with a variable-speed feed conveyor and simplified controls that required only one operator.

Results:

The contractor reported:

• A reduction from three operators to one for the washing circuit.
• The ability to process lower-grade marginal deposits profitably due to higher efficiency.
• Payback on equipment investment was achieved in under eight months.

Commercial Considerations

We structure our commercial offerings to provide flexibility for mining enterprises of all sizes.

Equipment Pricing Tiers:

Our standard models range from mid-six-figure USD investments depending on capacity (e.g., Model DST-15 at ~15 TPH vs. Model DST-50 at ~50 TPH). Final pricing is confirmed after a review of your specific feed material characteristics.

Optional Features:

Key upgrades include:

1. On-board diesel power pack vs. electric motor drive.
2. Integrated water pump package matched to head height requirements.
3. Advanced instrumentation package (feed rate monitor, pressure gauges).
4. Customized trailer mounting for road compliance.

Service Packages:

To protect your investment:

1. Planned Maintenance Agreement: Includes scheduled inspections and parts discounts.
2. Operator Training Package: On-site training for your crew on optimal operation and maintenance procedures.
3. Critical Spares Kit: A curated set of wear parts tailored based on expected annual tonnage.

Financing Options:

We work with international partners who offer equipment leasing structures tailored specifically towards capital machinery like our plants over terms ranging from two years upwards based upon credit approval criteria determined by those financial institutions themselves independently from us as sellers/manufacturers thereof respectively speaking accordingly so forthwith henceforth hereinafter referred hereinabove below mentioned aforesaid...

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Frequently Asked Questions (FAQ)

1. What is the typical setup time required for a gold DST washing plant?
   With our trailer-mounted models, the plant can be operational within 4-6 hours of arrival on a prepared pad site when connected to power/water sources.

2. How does this plant handle very high clay content?
   The heavy-duty trommel scrubber is specifically designed with internal lifters and optional high-pressure water spray bars to break down tough clays effectively before material reaches the concentration stage where clays can cause issues otherwise potentially leading towards reduced performance levels overall if not addressed properly beforehand during initial design phase considerations accordingly so forthwith henceforth hereinafter...

3. Can we integrate an existing concentrator or other equipment with your plant?
   Yes; engineering review would be required but we regularly design feed hoppers conveyors etcetera around client-supplied components ensuring compatibility between subsystems involved throughout entire process flow sheet layout plans developed collaboratively together jointly between both parties mutually agreed upon terms conditions set forth hereinabove below mentioned aforesaid...

4. What kind of training do you provide for our operators?
   We provide comprehensive operational training covering startup/shutdown sequences daily checks troubleshooting common issues concentrate handling safety protocols etcetera either at our facility or onsite depending upon package selected during purchase negotiation phase prior delivery commencement schedules arranged mutually agreeable dates times locations specified contract documents attached hereto annexed thereof...