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Apparent density examination method of lead paste of lead acid battery

A lead-acid battery, lead paste apparent density technology, applied in electrode manufacturing, measuring devices, instruments, etc., can solve problems such as low accuracy

Inactive Publication Date: 2018-09-28
ANHUI HAIRONG POWER SOURCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for inspecting the apparent density of lead-acid battery lead paste, which has the advantage of high inspection accuracy and solves the problem of low accuracy of the conventional method for inspecting the apparent density of lead paste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for testing the apparent density of lead paste for lead-acid batteries, comprising the following steps:

[0022] And system lead paste, lead paste is made by the following raw materials of weight ratio and system:

[0023] Lead powder 500kg, red lead 167kg, dilute sulfuric acid 49kg, deionized water 125kg;

[0024] Mix lead powder and red lead, dry mix for more than 4 minutes, slowly add dilute sulfuric acid, the time of adding dilute sulfuric acid is not less than 9 minutes, continue stirring for not less than 8 minutes after adding acid; add deionized water, continue stirring The time is not less than 5 minutes, the mixing is uniform, the temperature of the paste is not higher than 65°C, and the temperature of the paste is not higher than 48°C;

[0025] After mixing the paste, take three positions of the lead paste from the pot and place it in the lead paste density cup. In the vibrating part sleeve of the density side view instrument, turn on the vibration...

Embodiment 2

[0028] In embodiment one, add following operation:

[0029] When scraping the lead plaster, discharge the air in the lead plaster, and gently vibrate the apparent density cup in advance to make the lead plaster drop slowly until the lead plaster is solid.

[0030] A method for testing the apparent density of lead paste for lead-acid batteries, comprising the following steps:

[0031] And system lead paste, lead paste is made by the following raw materials of weight ratio and system:

[0032] Lead powder 500kg, red lead 167kg, dilute sulfuric acid 49kg, deionized water 125kg;

[0033] Mix lead powder and red lead, dry mix for more than 4 minutes, slowly add dilute sulfuric acid, the time of adding dilute sulfuric acid is not less than 9 minutes, continue stirring for not less than 8 minutes after adding acid; add deionized water, continue stirring The time is not less than 5 minutes, the mixing is uniform, the temperature of the paste is not higher than 65°C, and the temperat...

Embodiment 3

[0037] In embodiment two, add following operation:

[0038] The vibration frequency of the vibration kit is 11 times, check the relay setting in the controller, and the vibration time is 6 seconds.

[0039] A method for testing the apparent density of lead paste for lead-acid batteries, comprising the following steps:

[0040] And system lead paste, lead paste is made by the following raw materials of weight ratio and system:

[0041] Lead powder 500kg, red lead 167kg, dilute sulfuric acid 49kg, deionized water 125kg;

[0042] Mix lead powder and red lead, dry mix for more than 4 minutes, slowly add dilute sulfuric acid, the time of adding dilute sulfuric acid is not less than 9 minutes, continue stirring for not less than 8 minutes after adding acid; add deionized water, continue stirring The time is not less than 5 minutes, the mixing is uniform, the temperature of the paste is not higher than 65°C, and the temperature of the paste is not higher than 48°C;

[0043] After ...

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PUM

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Abstract

The invention discloses an apparent density examination method of a lead paste of a lead acid battery. The apparent density examination method comprises the following steps: making the lead paste, wherein the lead paste comprises the following components by weight ratio: 500 kg of lead powder, 167 kg of red lead, 49 kg of dilute sulfuric acid, and 125 kg of deionized water; mixing lead powder andred lead, blending a mixture for 4 min and above in a drying mode, slowly adding the dilute sulfuric acid for no less than 9 min, and continuously stirring the materials for no less than 8 min after acid addition is completed; adding deionized water, continuously stirring the materials for no less than 5 min, uniformly preparing at the temperature of no higher than 65 DEG C, wherein the paste-obtaining temperature is no higher than 48 DEG C, after the preparation is completed, taking the lead paste at three positions from a pan and placing the lead paste in a lead paste apparent density, wherein the height of the placed lead paste is higher than 2-3 cm of a port of a cup, then placing the lead paste apparent density cup in a vibration member sleeve of a lead paste apparent density side-view instrument, turning on a vibration switch, after the vibration is completed, taking the measuring cup, and using a perching knife for scraping the superfluous lead paste at the cup port along a direction from center to a peripheral part.

Description

technical field [0001] The invention relates to the technical field of inspection of the apparent density of lead paste, in particular to a method for inspecting the apparent density of lead paste for lead-acid batteries. Background technique [0002] Lead paste is the matrix of the active material of the plate. It is a paste-like substance with certain plasticity formed by mixing lead powder with a certain degree of oxidation and apparent density with water and sulfuric acid through mechanical stirring. The role of lead paste in lead-acid batteries It is mainly to provide and store the substances required for electrochemical reactions. The types of lead paste can be divided into two types: paste paste and sand paste. Lead paste occupies an important component in batteries. Whether the apparent density of lead paste is accurate will affect the battery. The service life of the lead paste has a great impact. The conventional inspection method of the apparent density of the lea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/02H01M4/04
CPCG01N9/02G01N2009/024H01M4/04Y02E60/10
Inventor 郑云傅宪东
Owner ANHUI HAIRONG POWER SOURCE
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