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Small gold wash plant for Small investors at the beginning
I. Equipment Definition The vibrating motor-driven inclined screen for gold sluice, also known as a vibrating gold washing inclined screen or integrated vibrating gold panning screen, is a specialized gravity separation equipment for placer gold mines. It integrates four functions: vibrating screening, high-pressure water washing, gravity enrichment, and gold sluice recovery. Based on the traditional unpowered inclined screen, it adds a vibrating motor, solving the problems of fixed screens such as caking, fine gold loss, and poor separation of high-mud ore. It is widely used in river placer gold mining, dry placer gold mining, and tailings scavenging and roughing operations.
II. Core Structure of the Machine
Feed Bin: Thickened steel plate storage bin with built-in pre-spray water pipes to pre-disperse high-mud sand and gravel, preventing blockage.
Inclined Vibrating Screen Box: Inclined angle 10°–18°, equipped with 25# round steel wear-resistant screen bars (gap can be customized 8–15mm); side-mounted horizontal vibrating motor (1.1–2.2kw six-pole vibrating motor), spring-dampened support, high-frequency micro-vibration throughout the machine.
High-pressure spray system: Multiple sets of opposing water pipes on the screen surface use high-pressure water flow to flush away the ore sand and dissociate individual gold particles encased in soil.
Integrated gold-collecting chute: A double-layer Z-shaped/V-shaped gold-collecting chute is fitted below the screen box, lined with thickened, wear-resistant gold-collecting grass (gold-collecting blanket) to capture coarse and fine gold particles in layers; the chute slope is 5°–6°, facilitating the rapid discharge of light sand.
Frame base: Thickened square steel welded, hoistable, suitable for excavator-based mobile mining.
III. Working Principle (Vibration + Gravity Composite Separation)
Gold-bearing sand and gravel are fed into the hopper, where pre-washing with water breaks up the clumps.
A vibrating motor drives the inclined screen to vibrate continuously at high frequency, combined with water spraying, causing the sand and gravel to loosely separate into layers on the inclined screen surface: large pieces of waste rock are discharged directly along the screen; fine gold-bearing slurry falls through the gaps in the screen bars.
The slurry flows into the lower gold-adhering sluice. Utilizing the fact that the density of gold (19.3 g/cm³) is much greater than that of sand and gravel, the vibration continuously agitates the slurry to prevent caking.
Gold particles quickly settle and embed themselves into the gold-adhering carpet pattern, while light silt is discharged from the end of the sluice with the water flow. Periodic rinsing of the gold-adhering carpet allows for the collection of raw gold, completing the roughing and enrichment process.
IV. Core Advantages (Compared to Ordinary Fixed Inclined Conveyor Screens)
Significantly Improved Fine Gold Recovery Rate: Vibration breaks up mud and sand compaction, reducing the likelihood of gold loss to 0.074mm fine particles, increasing the gold recovery rate by 15%–30%;
Strong Adaptability to High-Mud Deposits: Vibration + multi-stage spraying eliminates the need for pre-desliming of clay and silt deposits, reducing screen clogging;
Large Processing Capacity and Stable Feed: The standard 1530 model can process 40–80 cubic meters of sand and gravel per hour, with feed fluctuations not affecting sorting;
Simple Operation and Maintenance, Low Cost: Only one power component-the vibrating motor-and only the screen bars and gold-adhesive mats are wear parts, making replacement convenient; the entire machine weighs approximately 2 tons, allowing for direct excavator lifting, suitable for mobile gold mining in the field;
Water-Saving and Environmentally Friendly: Lower water consumption compared to drum gold panning equipment; all processes utilize physical gravity sorting, eliminating the need for chemical agents.
V. Applicable Scenarios
**Open-pit gold mining in river channels, riverbanks, and ancient river channels;**
**Small-scale mechanized gold mining on dry slopes and alluvial deposits;**
**Roughing equipment for gold dredgers and sand pumping vessels;**
**Secondary scavenging for gold recovery from tailings in old gold mines and sand washing plants;**
**Small-scale roughing of heavy minerals such as tin and tungsten sand (simply replace with a dedicated heavy sand sluice).**
VI. Standard Technical Parameters (1530 Mainstream Model)
**Screen Size:** 1500×3000mm
**Vibration Motor Power:** 1.5kw, Level 6
**Screen Bar Specifications:** Φ25 round steel, 10mm gap (customizable)
**Processing Capacity:** 40–80m³/h
**Sluice:** Double-layer gold-adhesive sluice, total length 6m
**Machine Weight:** Approximately 2.4 tons
**Applicable Feed Size:** ≤100mm
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