Aluminium-based lead silver alloy composite anode plate and preparation method thereof

A lead-silver alloy, composite anode technology, applied in electrodes, electrolytic inorganic material coating, electrolysis process, etc., to achieve the effects of easy cleaning, lower material costs, and lower cell voltage

Active Publication Date: 2017-06-30
湘西自治州凌云有色金属材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the patent still has technical problems such as panel strength, current efficiency, cell voltage and service life, which have been greatly improved.

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  • Aluminium-based lead silver alloy composite anode plate and preparation method thereof
  • Aluminium-based lead silver alloy composite anode plate and preparation method thereof
  • Aluminium-based lead silver alloy composite anode plate and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0056] Method a: The copper-aluminum composite conductive head is produced by pressure casting, and then welded with the conductive aluminum beam by friction welding to obtain a complete copper-aluminum composite conductive beam.

[0057] Method b: The aluminum conductive beam adopts a pressure casting method, and the copper conductive head is cast on one end of the conductive beam to produce a copper-aluminum composite conductive beam.

[0058] The surface of the aluminum plate with a width of 35mm and a thickness of 4mm is subjected to drawing and punching treatment, and then undergoes alkali washing, pickling, and water washing to remove the aluminum oxide film on the surface of the aluminum or aluminum alloy plate. Or use a plate surface cleaner to scrape off the aluminum oxide film on the plate surface to enhance the surface conductivity of the aluminum plate, thereby improving the electrical efficiency of the anode plate.

[0059] The lead-silver alloy is pressed on the ...

Embodiment 2

[0067] The production process of the conductive beam: the aluminum conductive beam adopts the pressure casting method, and the copper conductive head is cast on one end of the conductive beam to produce a copper-aluminum composite conductive beam.

[0068] The surface of the aluminum plate with a width of 15, 20, 35, 40, 50, and 70 mm and a thickness of 4 mm is subjected to drawing and punching treatment, and then undergoes alkali washing, pickling, and water washing to remove three-dimensional stains on the surface of the aluminum or aluminum alloy plate. Aluminum oxide film, or use a plate surface cleaner to scrape off the aluminum oxide film on the surface of the plate, so that the surface conductivity of the aluminum plate can be enhanced, thereby improving the electrical efficiency of the anode plate.

[0069] The lead-silver alloy is pressed on the surface of the aluminum or aluminum alloy plate that has been drawn and punched by the pressing process to obtain the lead-si...

Embodiment 3

[0076] The production process of the conductive beam: the aluminum conductive beam adopts the pressure casting method, and the copper conductive head is cast on one end of the conductive beam to produce a copper-aluminum composite conductive beam.

[0077] Carry out drawing and punching treatment on the surface of the aluminum plate with a width of 35mm and a thickness of 4mm, and then undergo alkali washing, pickling, and water washing to remove the aluminum oxide film on the surface of the aluminum or aluminum alloy plate, or scrape off the plate with a plate surface cleaner The aluminum oxide film on the surface enhances the surface conductivity of the aluminum plate, thereby improving the electric efficiency of the anode plate.

[0078] The lead-silver alloy is pressed on the surface of the aluminum or aluminum alloy plate that has been drawn and punched by the pressing process to obtain the lead-silver alloy composite anode plate body of aluminum or aluminum alloy, and the...

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Abstract

The invention relates to an aluminium-based lead silver alloy composite anode plate. The aluminium-based lead silver alloy composite anode plate comprises an aluminium or aluminium alloy electroconductive beam obtained through pressure casting, an electroconductive copper head casted at one end of the electroconductive beam through pressure casting, an anode plate array welded in a reserved hole below the aluminium alloy electroconductive beam, a plurality of insulators mounted on the anode plate array, and a beta-PbO2 layer or alpha-PbO2/beta-PbO2 composite layer obtained on the surface of the anode plate array through electrodeposition, wherein the anode plate array comprises a plurality of aluminium plate lead silver alloy composite plates; the plate surfaces are connected into an integral body through the lead silver alloy pressure casting manner; clearances of the plate array is 6 mm to 15 mm; the aluminium plate lead silver alloy composite plates comprise aluminium or aluminium alloy plates of which the width is 30 mm to 150 mm and the thickness is 3 mm to 8 mm, and lead silver alloy which is pressed on the surfaces of the aluminium or aluminium alloy plates and is 3 mm to 10 mm in thickness; the lead silver alloy plates are fixed into an integral body on the two sides of the anode plate surfaces through insulated edge clamping strips; and a plurality of insulated clamps are mounted on the plate surfaces.

Description

technical field [0001] The invention relates to an aluminum-based lead-silver alloy composite anode plate and a preparation method thereof. Background technique [0002] In the process of wet extraction of metals such as zinc and copper, lead and lead-silver alloys are usually used as anode materials. [0003] Chinese patent CN102912376A discloses a method for making zinc electrolytic lead anode plates, including the steps: a. Put the lead ingot into the lead melting furnace, melt the lead ingot into metal lead melt, and melt the melted silver metal melt Add it into the lead-melting furnace, mix it evenly to prepare a master alloy melt, drain the master alloy melt into the mother plate casting mold, and cast it into an anode master plate; b, cool the anode master plate to room temperature, and Next, use the first ST rolling mill to roll the anode mother plate several times; c, roughen the surface of the rolled anode mother plate to form a rough structure on the surface of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C7/02C25D3/46C25D3/30C25D9/04B23P15/00
CPCB23P15/00C25C7/02C25D3/30C25D3/46C25D9/04
Inventor 彭平
Owner 湘西自治州凌云有色金属材料有限公司
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