Tin Ore Beneficiation Solutions

Overall solution for tin ore beneficiation: High-efficiency recovery with "re-election as the mainstay, flotation as a supplement".

I. Overview: Precise sorting to maximize the value of tin ore resources

As an important strategic metal, tin is widely used in electronics, metallurgy, chemical industry and other fields. Efficient tin ore beneficiation solutions are the key to improving resource utilization and return on investment. We specialize in providing customers with full-process tin ore beneficiation solutions from the study of ore characteristics to the delivery of production lines, adhering to the technical concept of " re-election as the mainstay, flotation as a supplement, and multi-process synergy ", and tailoring the most economical and efficient recovery process for the different characteristics of alluvial, vein, and complex polymetallic tin ores, to ensure the efficient enrichment and comprehensive recycling of cassiterite. The most economical and efficient recovery process is customized for the different characteristics of sand tin ore and vein tin ore and complex polymetallic tin ore to ensure efficient enrichment and comprehensive recovery of cassiterite.

Core process: customized technology route

1. Ore preparation stage: laying the foundation for efficient sorting

Crushing system:
- The two-stage closed-circuit process of "Jaw Crusher (coarse crushing) + Cone Crusher (medium crushing)" is adopted to crush the ore to the ideal particle size of 10-25mm, providing uniform feed for subsequent grinding.
Grinding and Classifying System:
- Adopting ball mill + spiral classifier to form a closed-circuit grinding system, precisely controlling the grinding fineness (usually -200 mesh accounts for 60-85% ), realizing the effective dissociation of cassiterite and chalcopyrite, and avoiding over-grinding at the same time.

2. Separation system (core link): multi-technology union, precise recovery

Re-election section (core)
- Jigger: efficiently recovers coarse-grained cassiterite (+0.5mm), with large processing capacity and high recovery rate, it is the preferred equipment for alluvial cassiterite and coarse-grained embedded vein cassiterite.
- Shaking table: used for selecting medium and fine grained cassiterite (0.1-0.5mm), with very high sorting precision, it can obtain high grade tin concentrate.
- Spiral chute: used as pre-selection and sweeping equipment, simple structure, low cost, used for preliminary enrichment and recovery of residual cassiterite in the tailings.
Flotation section (auxiliary and enhancement):
- For the difficult to select tin ore with micro-fine grains embedded and complex symbiosis, the flotation process is used as an important supplement.
- The use of benzohydroxamic acid and other highly efficient selective collectors effectively recovers the microfine grained cassiterite that is difficult to be processed by reelection.
Magnetic separation section (purification):
- Magnetic separator is used to remove magnetic impurities such as magnetite that are co-occurring in the ore, effectively enhancing the grade and value of the final tin concentrate.

3. Product and tailings treatment: green production, recycling

Concentrate dewatering: Use high-efficiency concentrators and ceramic filters to dewater tin concentrates, obtaining filter cake with low moisture content, which is easy to transport and sell.
Tailings treatment: implement tailings dry stacking technology to achieve safe tailings disposal; process water recycling rate is up to 90% or more, minimizing fresh water consumption and environmental pollution.

Advantages and value of the program

High-efficiency recovery with remarkable benefits:
Through the joint process of re-election, flotation and magnetic separation, the comprehensive recovery rate of tin can be increased by 15-20%, which directly creates higher economic benefits for customers.
Flexible adaptation, investment optimization:
Provide modular design scheme, according to the nature of ore (alluvial/vein ore), processing scale (small/medium/large) and investment budget, flexible configuration of production line, support the phased construction and later upgrading.
Energy saving and consumption reduction, cost controllable:
Core equipment such as energy-saving ball mills (energy consumption reduced by 30%), high-efficiency jigger, etc., significantly reduce operating costs and shorten the return on investment cycle.
Mature technology, globally proven:
Our solutions have been successfully applied in many tin mining projects around the world (e.g. Yunnan, Africa, Southeast Asia), with stable and reliable technology, and the indicators have reached the international advanced level.

Successful Cases

A vein tin mining project in Yunnan:
- Challenge: Uneven embedded particle size and complex associated minerals.
- Solution: Adopt "crushing - grinding - jigging - shaking table - flotation" joint process.
- Achievements: tin concentrate grade and recovery rate were greatly improved, recovery rate increased by 15%, energy consumption reduced by 20%, and economic benefits were remarkable.
A large-scale tin mine project in Africa:
- Requirements: Construction of a large-scale, automated production line.
- Solution: Provide fully automated control system and efficient ball mill and shaking table combination process.
- Achievements: Optimization of process flow, significant reduction of production cost and maximization of production revenue.
A large-scale sand tin mine project in Southeast Asia:
- Requirements: large processing capacity, low-cost operation.
- Solution: Configure the core re-election process of "trommel screen - circular jigger - shaking table".
- Achievements: Stable processing capacity of 600 tons/hour, with ROI far exceeding customer expectations.

V. Our Service Commitment: Expert accompaniment throughout the whole process

We are not only an equipment supplier, but also your technical partner, providing one-stop service:

Experimental research: carry out detailed ore selectivity test and process optimization to provide scientific basis for scheme design.
Engineering design: Provide full process design, equipment selection and configuration, and three-dimensional layout planning.
Equipment Supply and Integration: Provide all core host, auxiliary equipment and intelligent control system.
Installation and commissioning and training: expert team on-site guidance for installation and commissioning, and training of qualified operation and maintenance personnel for customers.
Environmental protection solutions: Provide tailings comprehensive utilization, wastewater treatment and reuse, and other green mine construction support.

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