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Smelting method for waste storage battery non-pollution reflective furnace

A waste battery, non-polluting technology, applied in battery recycling, waste collector recycling, recycling technology and other directions, can solve the problems of cost reduction, low melting point, high lead yield, and achieve cost reduction, low melting point, and less smoke and dust. Effect

Inactive Publication Date: 2005-07-27
张传银
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is to overcome the defects of the existing reverberatory furnace smelting method for waste batteries, and provide a pollution-free reverberatory furnace smelting method for waste batteries, which has a low melting point and a short time, and only takes half the time of the traditional process , no sulfur dioxide emission, less smoke and dust, the collected smoke and dust are easy to be treated with water, the thin slag produced is easy to weather and neutralize, and the lead production rate is at least 1% higher than the traditional process, so that the cost is greatly reduced

Method used

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  • Smelting method for waste storage battery non-pollution reflective furnace

Examples

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Effect test

Embodiment 1

[0016] The waste battery after lime water treatment and sun-drying is smelted with anthracite as reducing agent and sodium hydroxide as solvent, and the weight ratio of waste battery: reducing agent: solvent is 10:1:1 according to the ratio of charge. For waste batteries, the smelting temperature is 800°C and the melting time is 2 hours.

Embodiment 2

[0018] With lime water treatment and dried waste batteries, anthracite is used as a reducing agent, sodium carbonate is used as a solvent, and the ratio of waste batteries: reducing agent: solvent is 20:1:1. For storage batteries, the melting temperature is 1000°C and the melting time is 2 hours.

Embodiment 3

[0020] With waste accumulator, take anthracite as reductant, take sodium bicarbonate as solvent, waste accumulator according to the ratio of furnace charge: reductant: the weight ratio of solvent is smelting waste accumulator in the ratio of 30:1:1, and smelting temperature is 1000 ℃, The time is 2 hours.

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Abstract

The method includes following steps: the blending ration of charging is that the wasted battery: reducer: solvent = 10-30: 1: 1 (in weight ); the charging is melted under 800-1000deg.C for two hours; the reducer is anthracite or heavy oil; the solvent is sodium hydrate or sodium carbonate or baking soda.

Description

technical field [0001] The invention relates to a method for reprocessing waste batteries, in particular to a pollution-free reverberatory furnace melting method for waste batteries. Background technique [0002] For lead-containing batteries, the main treatment method adopted abroad is to carry out recycling. About 5.5% of the existing foreign lead production comes from secondary lead. In the secondary lead industry, the recycling of waste lead-acid batteries accounts for a large proportion. There are nearly 300 waste lead battery recycling lead factories in my country, and the production capacity ranges from several thousand tons to tens of thousands of tons. The method mainly adopts traditional small reverberatory furnace, blast furnace, cupola and other smelting methods, and all the plates and slurry are mixed. , essentially without preprocessing methods. [0003] The traditional reverberatory furnace smelting battery method needs to add iron, use anthracite, high melt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/54
CPCY02E60/12Y02W30/84
Inventor 张传银
Owner 张传银
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