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Smelting process for efficient and energy-saving regenerated lead

A high-efficiency and energy-saving technology for secondary lead smelting, applied in the field of secondary lead smelting, can solve the problems of high economic value, ecological value and social value, high comprehensive recovery rate and labor productivity, and low metal recovery rate, so as to avoid smoke pollution Environmental, comprehensive recovery rate and labor productivity are high, and the effect of precious metal loss is small

Inactive Publication Date: 2019-12-10
骆驼集团(安徽)再生资源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main purpose of the present invention is to provide a high-efficiency energy-saving regeneration lead smelting process, which can efficiently, quickly and safely smelt lead waste parts and waste materials into recycled lead, realize resource reuse, turn waste into treasure, and solve the existing problems. In the secondary lead smelting process, the metal recovery rate is low, the slag contains high lead, and a large amount of flue gas containing lead, sulfur dioxide and acid mist is produced to pollute the environment. It has high lead recovery rate, comprehensive recovery rate and labor productivity, and precious metals The advantages of less loss, high economic value, ecological value and social value; at the same time, the present invention also provides the regenerated lead produced according to the high-efficiency and energy-saving regenerated lead smelting process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A high-efficiency and energy-saving recycled lead smelting process is characterized in that it comprises the following steps:

[0036]Step S1, preparation of lead raw materials for smelting: disassemble the waste lead-acid battery in the closed dismantling workshop with automatic crushing and sorting equipment, first transport the waste lead-acid battery to the primary crushing device, and the residual sulfuric acid in the waste lead-acid battery And the washing solution of spraying the waste lead-acid battery constitutes the dismantling waste acid liquid and flows into the waste acid liquid storage tank; the waste lead-acid battery after removing the sulfuric acid residue is transported to the hydraulic separator, and the lead paste and the coarse solid are separated; Coarse solids are crushed and sorted to obtain plates, heavy plastics, light plastics, and partitions; the lead paste is transported to the discharge bin for processing, and the plates are directly used as...

Embodiment 2

[0049] A high-efficiency and energy-saving recycled lead smelting process is characterized in that it comprises the following steps:

[0050] Step S1, preparation of lead raw materials for smelting: disassemble the waste lead-acid battery in the closed dismantling workshop with automatic crushing and sorting equipment, first transport the waste lead-acid battery to the primary crushing device, and the residual sulfuric acid in the waste lead-acid battery And the washing solution of spraying the waste lead-acid battery constitutes the dismantling waste acid liquid and flows into the waste acid liquid storage tank; the waste lead-acid battery after removing the sulfuric acid residue is transported to the hydraulic separator, and the lead paste and the coarse solid are separated; Coarse solids are crushed and sorted to obtain plates, heavy plastics, light plastics, and partitions; the lead paste is transported to the discharge bin for processing, and the plates are directly used a...

Embodiment 3

[0063] A high-efficiency and energy-saving recycled lead smelting process is characterized in that it comprises the following steps:

[0064] Step S1, preparation of lead raw materials for smelting: disassemble the waste lead-acid battery in the closed dismantling workshop with automatic crushing and sorting equipment, first transport the waste lead-acid battery to the primary crushing device, and the residual sulfuric acid in the waste lead-acid battery And the washing solution of spraying the waste lead-acid battery constitutes the dismantling waste acid liquid and flows into the waste acid liquid storage tank; the waste lead-acid battery after removing the sulfuric acid residue is transported to the hydraulic separator, and the lead paste and the coarse solid are separated; Coarse solids are crushed and sorted to obtain plates, heavy plastics, light plastics, and partitions; the lead paste is transported to the discharge bin for processing, and the plates are directly used a...

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Abstract

The invention discloses a smelting process for efficient and energy-saving regenerated lead. The smelting process for the efficient and energy-saving regenerated lead is characterized by comprising the following steps: step S1, preparation for a lead raw material for smelting; step S2, treatment for a lead paste; step S3, forming for the lead smelting raw material; step S4, smelting treatment; andstep S5, by-product aftertreatment. The invention further discloses the efficient and energy-saving regenerated lead prepared according to the smelting process for the efficient and energy-saving regenerated lead. The smelting process for the efficient and energy-saving regenerated lead is capable of efficiently, rapidly and safely smelting lead scraps and wastes into the regenerated lead, so that resource recycling is realized, waste is turned into wealth, and the problems of low metal recovery rate and high lead content of slag in an existing smelting process for regenerated lead, and environment pollution caused by the generation of lots of smoke containing lead, sulfur dioxide and acid mist, are solved; and the smelting process for the efficient and energy-saving regenerated lead hasthe advantages of being high in lead direct-recovery rate, comprehensive recovery rate and labor productivity, low in precious metal loss, and high in economic value, ecological value and social value.

Description

technical field [0001] The invention relates to the technical field of secondary lead smelting, in particular to a high-efficiency and energy-saving secondary lead smelting process. Background technique [0002] Along with the development of national economy, the usage of lead is also more and more, therefore, lead waste parts and waste material are bound to increase day by day, these lead waste parts and waste material have not only brought the waste of resource, and because the acute toxicity of lead, Make it pollute the environment, directly or indirectly harm people's health. Therefore, it is particularly necessary to carry out the recycling of lead waste parts and waste materials. [0003] Secondary lead is a successful case of resource recovery and reuse of lead waste parts and waste materials. It uses these lead waste parts and waste materials as raw materials to produce refined lead, lead-based alloys or lead compounds. This method has successfully turned waste int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B7/00C22B13/02
CPCC22B7/001C22B13/025Y02P10/20
Inventor 贾磊蔡以辉王振飞王脐君曹睿
Owner 骆驼集团(安徽)再生资源有限公司
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