3.2 m2 Large Aluminum Cathode Plate With Anticorrosion Coating For Zinc Electrowinning

3.2 m2 Large Aluminum Cathode Plate For Zinc Electrowinning Product Description Al Cathodes are installed in a Zinc electrolytic cell to form electrode pairs with Lead anodes. The cells are electrically connected in series and a voltage is applied across the anode-cathode pair to produce Zinc on cathode surface by electro-winning process. Loaded cathodes are periodically removed from the electro-winning cells by a lifting bale and overhead crane for stripping cathode. Blank cathodes are then returned to electro-winning cells with the lifting bale and the process is repeated.   Specification    

Item	Parameter
Blank material	Al (≥99.7%)
Contact copper area	25*70mm
Cathode service life	≥18 months
Cathode net weight	50.2kg
Total cathode weight with Zinc deposition	160kg
Blank length error	±2mm
Blank width error	+2/-1mm
Blank thickness error	+0.2/-0.1mm
Blank diagonal length error	±2mm
Blank flatness	Before welding: ≤1mm After welding: ≤1.5mm
Blank length bending deformation	≤2mm
Blank width bending deformation	≤1mm
Hanger bar length error	±1mm
Hanger bar width error	±0.5mm
Hanger bar thickness error	±0.3mm
Angle between Hanger bar and blank side line	90°+45’/-0’
Hanging ear size error	+0.1/-0mm
Hanging location error	±1mm
Surface	Smooth

  2. Cathode design critiria  The cathodes should be suitable for continuous operation in an electro-winning plant to produce Zinc and shall remain tolerance under all operation conditions. It also shall be suitable for repeated use and stripping using an automated cathode stripping machine. The cathodes were painted anticorrosion coating instead of strip mouth to avide its fall off. Unionsum can supply cathode exactly according to client drawing. However, according to our experience in Cathode fabrication and application, we have some improvements on: Blank material; Stripping point; Edge strip assembly; Welding The above improvements will contribute to a better cathode performance.     Packaging & Shipping     Detailed picture   Application     Company Information                                       Prospecting                                                  Mining                                                  Metallurgy                                    Processing                                                  Trading                                                     EPC serviceUnionsum, a subsidiary of CRIMM, provides sustainable system solution for mining and metallurgy industry, including engineering, procurement and construction, and offers a widerange of scientific research and consultingservices.                                                      Mining and Metallurgy Experts  History from 1953 Most authoritative and comprehensive organization in China mining and metallurgy industry 2 academicians of China Engineering Academy, 108 professors and 500 senior engineers 50 Laboratories and Pilot Plants (2 state key Labs) Decades experiences in research and engineering service    Qualifications   Clients Visiting     Global Market                                             Vacuum distillation project at Bulgaria                                            Rotary Furnace at Thailand 
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