Equipment Overview

The Electrode Induction Melting Gas Atomization (EIGA) system is designed to produce high-purity spherical metal and alloy powders from rod-shaped feedstock. The main components include a continuous rod feeding system, high-frequency induction heater and power supply, high-pressure gas atomizer and gas supply system, atomization tower, vacuum system, powder collection system, water cooling system, and electrical control system.

During operation, the feed rod rotates slowly while being heated and melted by high-frequency induction under an inert gas atmosphere. The molten metal flows directly into the atomizer, where a high-pressure supersonic inert gas jet breaks it into fine droplets. The droplets cool and solidify into spherical powder particles as they travel through the atomization tower.

Because the feedstock does not contact a crucible or guide tube during melting and atomization, the process minimizes contamination and enables the production of high-purity metal powders.

Key Features and Advantages

1.Low Gas Consumption: 

Proprietary high-efficiency supersonic gas atomization technology reduces gas consumption when producing ultrafine powders.

2.Continuous Rod Feeding: 

A patented continuous feeding system uses two sealed feed chambers that alternate operation, enabling uninterrupted powder production. Multiple feed rods can be loaded in each chamber, reducing downtime associated with material replacement. Compared with similar equipment, production capacity can be approximately doubled, with no residual feedstock left over from the feeding process. This improves material utilization, production efficiency, and batch-to-batch consistency.

3.Uniform Heating and High Yield: 

Uniform heating supports efficient melting and helps improve powder yield.

4.Lower Production Costs: 

An optional gas circulation system helps reduce operating costs.

5.High-Purity Spherical Powders: 

Produces powders with high chemical purity and excellent sphericity.

6.Anti-Static and Explosion-Proof Design: 

Designed with anti-static and explosion-proof features to support safe operation.

Technical Specifications

Total Power: approx. 100 kW

Atomization Capacity: approx. 30 kg/h (based on pure titanium density)

Feed Rod Rotation Speed: 1–30 rpm

Feed Rate: 1–50 mm/min (adjustable for slow feeding); 200 mm/min (fast, stable feeding)

Powder Particle Size: D50 ≤ 45 μm

Equipment Information

Equipment Type: Powder Production Equipment

Feedstock: Metal rods

Processed Materials: Metals and alloys

Applications: The powders produced by EIGA equipment are primarily used in additive manufacturing and surface cladding of components.

Contact us for more information about technical specifications and customization options.