New High-power Electric Furnace and Control System

Product Brief

New high-power electric furnace and control system is the core equipment of pyrometallurgical FeNi smelting technology with RKEF process developed by ENFI has filled the gaps in FeNi smelting in China, making the Chinese FeNi smelting industry at the forefront of the world. The 72,000kVA EF for FeNi smelting which is designed and supplied by ENFI is hailed as the FeNi smelting EF with the largest capacity independently designed in China for the present.

Application Fields：The EF is applicable to smelting of various metallic or non-metallic raw materials, including nickel, copper, industrial silicon, copper-cobalt alloy, FeNi, vanadium-titanium, phosphorus, etc.

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enfi.cemsa@gmail.com

Advantages & Features

The EF is comprised of a furnace body of inverted trapezoidal structure, overall elastic framework and electrode assemblies, characterized by high-efficiency, energy saving and eco-friendliness.
The EF boasts a capacity of up to 72MVA, a service life of over 10 years and a capability to generate FeNi products with a grade of 10%-37%.
Meanwhile, an integrated and intelligent control system for EF is developed to accomplish efficient operation with low energy consumption.

Technical Parameters

Power	Usage	Qty	Slag line area	Startup year	Client
33,000KVA	FeNi smelting EF	2	134.4m2	2010	Fu’an, Fujian
72,000KVA	FeNi smelting EF	2	288m2	2012	Tagaung Taung, Myanmar
36,000KVA	FeNi smelting EF	2	196m2	2013	Fangchenggang, Guangxi

The Application Achievements

I. Tagaung Taung Nickel Mine Project in Myanmar: ferronickel smelting EF (2 pcs). The Tagaung Taung Nickel Mine Project is the largest cooperative project in mining industry between China and Myanmar, and one of the five major overseas resources development projects in “The 11th Five-Year Plan” of Chinese Government. The project was up and run in 2012. Until the overhaul of the refractories in 2019, the furnaces have been operated safely for 7 years, showing a much longer service life of refractories than any other ferronickel smelting EF at home and abroad. Technical parameters of single electric furnace: Transformer power: 72,000KVA Slag line area: 288m2 Electrode: six Φ1,400mm self-baking electrodes Production capacity (based on Ni content in ferronickel): 13,000~14,000t Ni/a

I. Tagaung Taung Nickel Mine Project in Myanmar: ferronickel smelting EF (2 pcs). The Tagaung Taung Nickel Mine Project is the largest cooperative project in mining industry between China and Myanmar, and one of the five major overseas resources development projects in “The 11th Five-Year Plan” of Chinese Government. The project was up and run in 2012. Until the overhaul of the refractories in 2019, the furnaces have been operated safely for 7 years, showing a much longer service life of refractories than any other ferronickel smelting EF at home and abroad. Technical parameters of single electric furnace: Transformer power: 72,000KVA Slag line area: 288m2 Electrode: six Φ1,400mm self-baking electrodes Production capacity (based on Ni content in ferronickel): 13,000~14,000t Ni/a.