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Copper. The Noranda process.

30 May 2012
Copper. The Noranda process.


Is carried out in a modernized

Horizontal type converter

Pierce-Smith. Loading charge is produced

Through the hole in the end wall with

Using a high-speed feeder.

Oxygen-containing blast with a small

Enriched in a matte bath

(Similar to the horizontal

The converter).

The first

Continuous melting furnace and

Converting by the method of Noranda

Was intended for melting concentrates

On the blister copper. Copper was produced

Contaminated with impurities, but excessively

Rich slags (up to 12%) required a complex

And costly depletion. Therefore, in

Further the reactor was transferred to

Matte composition

To a white mat (70-75% Cu), from which

In a conventional horizontal converter

Get the blister copper.


Reactor capacity Noranda

Relatively high-23 t / (m2 day).

The SO2 content of the waste gas is

16-20% and they are processed into sulfuric

Acid. The duration of the campaign of the furnace

Is determined by the resistance of the lining.


Melting furnace (reactor) process

The nose is shown in Fig. 15. The furnace has

The shape of the turning horizontally

Located a steel cylinder,

Lined with chromium-magnesium

Brick length of 21.3 and a diameter of 5.18 m. In

Places of greatest wear of lining

Installed water-cooled elements.

Air blast is fed through 60 tuyere

Holes with a diameter of 54 mm.


To obtain black copper is characterized by

High content of copper in slags (up to 12

%) And magnetite (30%), impurities in the rough

Copper (As, Sb, Bi, etc.). Duration of the company

The reactor "Noranda" (Fig. 13) is determined

Resistance refractory in the tuyere zone.

29 May 2012
31 May 2012