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Solidifying and drying process for lead-acid cell chemical polar board

A curing and drying, lead-acid battery technology, applied in the direction of lead-acid battery electrodes, etc., can solve the problems affecting product delivery time, long production cycle, manufacturers' equipment and space shortage, etc., to shorten curing and drying time and reduce energy consumption. and cost, energy consumption and cost reduction effect

Inactive Publication Date: 2009-03-11
浙江永达电力实业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned curing and drying process has a long production cycle, which takes 48 hours to 72 hours or even longer, which causes the manufacturer's equipment and site to be tight, and the cost is high, resulting in a waste of energy and affecting the delivery date of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The invention relates to a curing and drying process for a lead-acid battery raw plate, the curing stage temperature is 55°C, the curing humidity is 90-98%, the drying temperature is 55°C, and the drying humidity is below 30%. The experimental results of curing for 0-12 hours and drying for 24 hours are shown in Table 1:

[0019] Table 1

[0020] Curing time / h Drying time / h Free lead / % Moisture / % 0 24 4.60 0.85 1 24 4.30 0.92 2 24 4.32 0.86 4 24 4.08 0.90 6 24 3.89 0.88 8 24 3.68 0.92 10 24 3.46 0.85 12 24 3.29 0.88

Embodiment 2

[0022] The invention relates to a curing and drying process for a lead-acid battery raw plate. The curing stage temperature is 55°C, the curing humidity is 90-98%, the drying temperature is 60°C, and the drying humidity is below 30%. The experimental results of curing for 0-12 hours and drying for 24 hours are shown in Table 2:

[0023] Table 2

[0024] Curing time / h Drying time / h Free lead / % Moisture / % 0 24 4.55 0.65 1 24 4.30 0.63

[0025] 2 24 4.25 0.66 4 24 4.18 0.68 6 24 3.80 0.68 8 24 3.55 0.70 10 24 3.32 0.75 12 24 3.15 0.75

Embodiment 3

[0027] The invention relates to a curing and drying process for a lead-acid battery raw plate, the curing stage temperature is 55°C, the curing humidity is 90-98%, the drying temperature is 70°C, and the drying humidity is below 30%. The experimental results of curing for 0-12 hours and drying for 24 hours are shown in Table 3:

[0028] table 3

[0029] Curing time / h Drying time / h Free lead / % Moisture / % 0 24 4.40 0.25 1 24 4.30 0.18 2 24 4.37 0.30 4 24 4.00 0.30 6 24 3.80 0.25

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PUM

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Abstract

The invention discloses a curing and drying process of the unformed plate in a lead-acid battery. The process comprises a curing stage and a drying stage, wherein the temperature at the curing stage is 55-70 DEG C, the curing humidity is 90-98 percent, and the curing time is 0-12 hours, the drying temperature is 55-70 DEG C, the drying humidity is below 30 percent, and the drying time is 24 hours. The curing and drying time of the unformed plate in the lead-acid battery can be shortened, and the energy consumption and the cost can be reduced.

Description

technical field [0001] The invention relates to a curing and drying process for a lead-acid battery raw plate. Background technique [0002] In the production process of acid batteries, the unconverted free lead and moisture content in the lead paste of the lead-acid battery raw plate are too high, it needs to be cured and dried to reduce it to a lower level, the free lead drops below 6%, and the moisture dropped below 1%. The specific process flow is to mix the paste first, then apply the mixed lead paste to form a wet green plate, and then pass the wet green plate through a curing and drying process to form a dry green plate. [0003] At present, there are two curing processes for lead-acid battery raw plates: high temperature curing and room temperature curing. The high temperature curing temperature is 75-90°C and the humidity is 90-98%. . In the drying process, the drying temperature is 60-90°C, and the humidity is below 30%. The above-mentioned curing and drying pr...

Claims

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Application Information

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IPC IPC(8): H01M4/23
CPCY02E60/126Y02E60/10
Inventor 包有富
Owner 浙江永达电力实业股份有限公司
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