Method of recycling waste lead plaster in production process of lead-acid storage battery and application of recycled material

A lead-acid battery, waste lead paste technology, used in lead-acid batteries, lead-acid battery electrodes, battery recycling and other directions

Pending Publication Date: 2020-01-03
JUJIANG POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of method and the application of reclaimed waste lead plaster that lead-acid accumulator produces in production process, how to remove wherein BaSO when preparing the 4BS of positive pole lead paste with waste lead plaster 4 problems, and how to recycle waste lead paste in a more simplified and convenient way

Method used

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  • Method of recycling waste lead plaster in production process of lead-acid storage battery and application of recycled material
  • Method of recycling waste lead plaster in production process of lead-acid storage battery and application of recycled material
  • Method of recycling waste lead plaster in production process of lead-acid storage battery and application of recycled material

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with specific embodiments.

[0024] A method for recycling lead-acid storage battery waste lead plaster, comprising the steps of:

[0025] (1) Use a filter press to remove the water from the acid-leached lead paste and the lead paste in the plate-coated sedimentation tank, then accumulate the water-removed lead paste in a small stainless steel bucket, place it in a closed drying room, and circulate hot air, and the indoor temperature is 80 ℃, after drying for 48 hours, spot-check the water content, complete the drying when the water content is below 1%, and set aside; take the scrap raw plate, use the grid paste separator to vibrate to separate the grid and lead paste, and keep the lead paste for use;

[0026] (2) The waste lead plaster derived from the leaching acid lead paste, the lead plaster of the coating sedimentation tank and the scrapped raw plate are processed according to step (1) a...

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Abstract

The invention belongs to the technical field of recycling of lead-acid storage batteries, and particularly relates to a method of recycling waste lead plaster of a lead-acid storage battery and application of recycled materials. The method comprises the following steps of: (1) crushing the waste lead plaster by using a hammer mill until the particle size of the waste lead plaster is 5-10 mu m, (2)sintering the waste lead plaster crushed in the step (1) to prepare an additive 4BS-BaPbO3, (3) grinding the additive 4BS-BaPbO3 obtained in the step (2) until the fineness is 1-5 mu m, and (4) adding the additive 4BS-BaPbO3 ground in the step (3) into the positive electrode lead paster according to 1-8% of the weight of the positive electrode lead powder. According to the method disclosed by theinvention, the waste lead plaster in the production process of the lead-acid storage battery is recycled, and barium sulfate is converted into barium plumbate, so that barium sulfate in the waste lead plaster is prevented from entering the positive lead plaster to influence the performance of the positive pole plate.

Description

technical field [0001] The invention belongs to the technical field of recycling lead-acid batteries, and in particular relates to a method for recycling waste lead paste in the production process of lead-acid batteries and an application of recyclables. Background technique [0002] The lead paste waste produced in the production process of lead-acid batteries, such as leached acid lead paste, plate-coated sedimentation tank lead paste, scrap plate lead paste, etc., mostly comes from the plate production process. Most battery manufacturers collect positive and negative lead paste separately. Backfill into positive / negative lead paste according to a certain proportion, or directly sell lead-containing waste to waste lead recycling and processing enterprises at a low price. There is also a risk of lead contamination. Therefore, it is necessary to rationally convert lead paste waste into useful products or raw materials to increase the utilization rate of lead resources. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/54H01M4/62H01M4/14H01M10/06C22B7/00C22B13/02
CPCH01M10/54H01M4/62H01M4/624H01M4/14H01M10/06C22B7/001C22B13/025Y02W30/84Y02E60/10Y02P10/20
Inventor 张伟刘毅付高峰武占国陈吉海
Owner JUJIANG POWER TECH CO LTD
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