Tin Alluvial Ore Production Line and Process Solution

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Product Details

Tin Alluvial Ore Production Line Solution is designed for the efficient recovery of Cassiterite from placer deposits.

This solution utilizes a "Gravity Separation" based process. By employing Trommel Screens, Jigs, and Shaking Tables, it effectively recovers tin concentrate from sand and clay, offering low investment and high recovery rates.

What Is Tin Alluvial Beneficiation?

Tin Alluvial Beneficiation is the process of extracting heavy Cassiterite (Tin Oxide) minerals from riverbeds or coastal sands. Unlike rock tin, it requires no grinding. The core process involves washing away clay and using gravity separators to concentrate the heavy tin minerals.

Alluvial Tin Ore Process Flow Chart

Alluvial Tin Process Steps

Step 1: Washing & Screening

Goal: Remove large rocks and wash off sticky clay.

Washing: Rotary Scrubber or Trommel Screen with high-pressure water breaks up clay balls.
Screening: Separates large waste gravel (>6mm) from the tin-bearing sand.

Tin Ore Trommel Screen

Step 2: Roughing (Gravity Separation)

Goal: Concentrate heavy minerals and discard light sand.

Jigging:
Uses Jig Machine for coarse tin recovery. High capacity and continuous operation.

Spiral Separation:
Uses Spiral Chute for fine sand separation. No power required.

Tin Ore Spiral Chute

Step 3: Concentration & Dewatering

Concentration: Shaking Table upgrades the rough concentrate to high-grade tin (60-70% Sn).
Dewatering: Tailings are dewatered for dry stacking or backfilling.

Tin Shaking Table

Key Equipment Comparison

Equipment	Application	Advantage
Trommel Screen	Washing & Screening	Handles clay well, high capacity.
Jig Machine	Coarse Roughing	High recovery for nuggets.
Spiral Chute	Fine Roughing	No power, low cost.
Shaking Table	Cleaning	Highest enrichment ratio.

Core Equipment Configuration

System	Main Equipment	Function
Washing	Rotary Scrubber	Clay disintegration.
Screening	Trommel Screen	Size separation.
Gravity Sep	Jig / Spiral Chute	Density concentration.
Cleaning	Shaking Table	Final upgrading.
Dewatering	Filter Press	Tailings management.

Success Stories & Data

Project: Yunnan Alluvial Tin Plant

A high-mud (15%) alluvial tin mine used our Washing + Gravity process.

Raw Ore: 0.8% Sn.
Concentrate: 65% Sn.
Recovery Rate: 88%.

Project: Submarine Tin Mining Ship

A custom-designed shipboard plant for Southeast Asia.

Configuration: Trommel + Circular Jig.
Capacity: 10,000 t/d.
Feature: Compact design for limited ship space.

Tin Processing Site

Frequently Asked Questions (FAQ)

Q1: How do you handle high clay content?

A: Clay can trap tin particles. We use a Rotary Scrubber with lifters and high-pressure water to thoroughly wash and disintegrate the clay before screening.

Q2: What is the processing capacity?

A: Our plants are modular. A single line can process anywhere from 50 t/h to 500 t/h. For larger projects, multiple lines are used in parallel.

Q3: Can this process recover other minerals?

A: Yes. Alluvial tin often co-exists with heavy minerals like Zircon, Ilmenite, and Gold. Gravity separation concentrates all these heavy minerals together, which can then be separated by magnetic or electrostatic methods.

Get Your Custom Tin Wash Plant

Whether on land or offshore, we provide tailored solutions for your alluvial tin deposit.
Contact us for a free process design and quotation.

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