Pb-Sn-Ca alloy rolled anode for copper EW workshop-Consumables

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Pb-Sn-Ca alloy rolled anode for copper EW workshop

Materials:

Blank:

Rolled Pb-Sn1.5%-Ca0.08% alloy

Hanger bar:

ETP Copper with Pb-Sb6% coating

Structure:

Pb alloy rolled plate

With uniform crystal structure, it is better for anti-corrosion and mechanical performance stability.

Hanger bar

It is certain mm thick, Pb cladding around Sn electro-plating on copper bar, and has better corrosion resistance to acid mist during electro-winning process.

Overview Specifications Features Cases

Overview:

Lead alloy anodes are permanently installed in the electrolytic cell to form electrode pairs with cathodes. The cells are electrocally connected in series and a voltage is aplied across the anode-cathode pair to produce Copper on cathode by electro-winning. During this process, oxygen is evolved at the anode surface.

Loaded cathodes are periodically removed from the electro-winning electrolytic cells by a lifting bale and overhead crane for stripping cathode. Blank cathodes are then returned to electro-winning electrolytic cells with the lifting bale and the process is repeated.

The anode raw material specifications are as below:

Table 1-1 Pb grade (GB/T 469-2005)

Pb	≥99.994%	Bi	≤0.001%
Ag	≤0.0002%	Zn	≤0.0003%
As	≤0.0004%	Sn	≤0.0004%
Sb	≤0.0004%	Ti	≤0.001%
Fe	≤0.0005%	Cu	≤0.0004%

Table 1-2 Cu conductive bar grade (ETP)

Grade	ETP
Vickers-hardness	107
tensile strength	35.8kg/mm²
Stretch	16.2%

Specifications:

Item	Parameter
Blank material	Pb-Sn-Ca
Blank size	9909608 mm
Hanger bar size	13255030 mm
Anode service life	3 years min
Blank length error	≤±2 mm
Blank width error	≤±2 mm
Blank thickness error	≤±0.5 mm
Blank diagonal length error	≤±3 mm
Surface	Smooth, no bubble & included slag & overlying grains

Features:

Pb and Ca and Sn will be added into the melting furnace to produce the lead alloy anode liquid as required. After mixing well enough and ready for discharging to cast, the lead alloy liquid will be sampled and analysis.
A final quality control inspection shall be undertaken on each anode plate before packing to check compliance with dimensions, tolerances and general qauality of the assembly.
A hanging test shall be conducted on all completed assemblies. The off plumb measurement at the bottom edge of the plate anode must not exceed 3mm, when the plate is supported on the underside of each end of hanger bar.

An electrical conduction performance check.

As above measures, the anode has below advantages:

High mechanical strength against distortion and creep (form stability);
Low oxygen over potential for oxygen evolution;
Quick and stable formation of hard, compact and adherent protective corrosion layer (conditioning);
High corrosion resistance, higher resistance to initial conditioning, long service life;
Minimized production cost, reduction in cell voltage, increase in current efficiency;
Production of high-quality lead-free metal cathode product;
No anode or cell cleaning required;
After assembly, flat smoothing blank surface, vertical to horizontal level, blank flatness error ≤ 0.2 mm;
Fast & on time delivery;
Professional package for export and professional solutions for sea transportation;
Customized services are available.

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1000tpa Copper Electro-winning Plant

Project:1000tpa Copper Electro-winning plant

Project location: copper smelter in Zambia

Purchasing time: 2011.09

Equipment: Lead alloy anode, stainless steel cathode, electrolytic cells, circulate pumps, demisting balls, etc.

Input: CuSO₄ solution

Output: 99.99% Copper cathode

Brief Introduction

Congo project

Project location: Congo

Purchasing time: from 2008 until now

Application: 20,000 tons per year copper electro-winning workshop

Quantity of procurement: 4,700 pcs

Brief Introduction

Zambia project

Project location: Zambia

Purchasing time: from 2011 until now

Application: 30,000 tons per year copper electro-winning workshop

Quantity of procurement: 7,900 pcs

Brief Introduction

Russia project

Project location: Russia

Purchasing time: from 2014 until now

Application: 160,000 tons per year copper electrorefining workshop

Quantity of procurement: 1,280 pcs

Brief Introduction

Burma project

Project location: Burma

Purchasing time: from 2014 until now

Application: 100,000 tons per year copper electrowinning workshop

Quantity of procurement: 34,000 pcs

Brief Introduction

Any questions for technology or equipment,please contact us

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