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Release agent for casting storage battery grid and preparation method thereof

A battery and release agent technology, applied in the direction of casting molding equipment, molds, mold components, etc., can solve the problems of high temperature resistance of the release agent, increased production costs, poor adhesion of the release agent, etc., to reduce production cost, increase production efficiency, and improve the effect of grid quality

Inactive Publication Date: 2021-02-09
天能集团贵州能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The preparation of the release agent directly affects the output and quality of the grid casting. The main reasons are: First, because the grid is prone to produce pores, hidden cracks, burrs, broken ribs and paste ribs during casting, and it is coated and filled into plates to manufacture The service performance of the battery will be affected after the battery, and the service life of the lead-acid battery will be shortened. It is easy to be not resistant to high temperature and burn off, which causes the operator to stop frequently to repair the mold and re-spray the mold, resulting in a waste of time and manpower, and increases the production cost

Method used

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  • Release agent for casting storage battery grid and preparation method thereof
  • Release agent for casting storage battery grid and preparation method thereof
  • Release agent for casting storage battery grid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1. Raw materials

[0032]

[0033] 2. Preparation method

[0034] Mix the measured deionized water, bone glue and polyvinyl alcohol, and stir the mixture with a stirrer at a stirring speed of 500r / min. Stir continuously during the heating process until it boils, stop heating and continue stirring until the temperature drops to 50 Heat to boiling again at ℃, and continue to stir for 15 minutes to completely dissolve the bone glue and polyvinyl alcohol; add the measured nano-zirconia sol, mix and stir evenly, and stir at a speed of 400r / min, and heat to boiling after stirring for 5 minutes; add The measured cork powder is stirred at a speed of 550 r / min, heated to boiling and stirred again for 10 minutes until the mixed solution and cork powder are completely stirred until uniformly dispersed, and the mold release agent is obtained after cooling.

[0035] 3. Analysis of results

[0036] Spray the prepared release agent evenly on the grid casting mold, and perform gri...

Embodiment 2

[0038] 1. Raw materials:

[0039]

[0040] 2. Preparation method

[0041] Mix the measured deionized water, bone glue and polyvinyl alcohol, and stir the mixture with a stirrer at a stirring speed of 450r / min. Stir continuously during the heating process until it boils, stop heating and continue stirring until the temperature drops to 50 Heat to boiling again at ℃, and continue to stir for 15 minutes to completely dissolve the bone glue and polyvinyl alcohol; add the measured nano-zirconia sol, mix and stir evenly, and stir at a speed of 450r / min, and heat to boiling after stirring for 5 minutes; add The measured cork powder is stirred at a speed of 500r / min, heated to boiling and stirred again for 10 minutes until the mixed solution and cork powder are completely stirred until evenly dispersed, and cooled for later use.

[0042] 3. Analysis of results

[0043] Spray the prepared mold release agent evenly on the grid casting mold, and perform grid casting. The model of th...

Embodiment 3

[0045] 1. Raw materials:

[0046]

[0047] 2. Preparation method

[0048] Mix the measured deionized water, bone glue and polyvinyl alcohol, and stir the mixture with a stirrer at a stirring speed of 480r / min. Stir continuously during the heating process until it boils, stop heating and continue stirring until the temperature drops to 50 Heat to boiling again at ℃, and continue to stir for 18 minutes to completely dissolve the bone glue and polyvinyl alcohol; add the measured nano-zirconia sol, mix and stir evenly, and stir at a speed of 400r / min, and heat to boiling after stirring for 5 minutes; add The measured cork powder is stirred at a speed of 550 r / min, heated to boiling and stirred again for 10 minutes until the mixed solution and the cork powder are completely stirred evenly, and the release agent is obtained after cooling.

[0049] 3. Analysis of results

[0050]Spray the prepared mold release agent evenly on the grid casting mold, and perform grid casting. The ...

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Abstract

The invention discloses a release agent for casting a storage battery grid and a preparation method thereof. The release agent comprises the following raw materials of, in parts by mass, 100 parts ofdeionized water, 1.21-1.32 parts of cork powder, 1.05-1.18 parts of bone glue, 0.35-0.37 part of polyvinyl alcohol, and 0.16-0.26 part of nano zirconium oxide sol. According to the release agent for casting the storage battery grid, the formula amounts of the cork powder, the bone glue and the polyvinyl alcohol are adjusted, and meanwhile, a high-temperature-resistant nano zirconium oxide sol is added, so that the problems that an existing release agent is not resistant to high temperature, poor in adhesion, short in service time and large in weight fluctuation are solved, the phenomenon thatair holes are easily formed in the grid is improved, the single-machine and single-shift yield of the grid and the quality of the grid are improved, the production cost is reduced, and the productionefficiency is improved.

Description

technical field [0001] The invention relates to the technical field of battery production, in particular to a release agent for battery grid casting and a preparation method thereof. Background technique [0002] The grid is an important part of the lead-acid battery plate. Its role in the lead-acid battery is mainly to support the active material, to be the carrier of the active material, to collect and conduct current, to distribute the current evenly on the active material, and to improve the utilization of the active material. Rate. Therefore, the quality of the grid directly affects the overall performance of the lead-acid battery. [0003] At present, the grids used in domestic lead-acid batteries are basically produced by gravity casting. The alloy lead is melted by the lead melting furnace and then transported to the lead spoon through the lead pipe, and cast into the grid mold cavity through the lead spoon. Before casting, the main functions of spraying release ag...

Claims

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Application Information

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IPC IPC(8): B22C3/00B22D25/04
CPCB22C3/00B22D25/04
Inventor 钦晓峰梅生猛陈勤忠周桂华
Owner 天能集团贵州能源科技有限公司
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