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A method of manufacturing brass extracted from waste car water tanks

A car water tank and brass technology, applied in the direction of improving process efficiency, etc., can solve the problems of high recycling cost, reduced performance of brass, and little recycling, so as to achieve high recycling value, good performance reduction, saving cost and labor input effect

Active Publication Date: 2019-06-18
NINGBO HUACHENG VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are a large number of waste cars in the prior art, and almost all old cars use brass water tanks. These water tanks have a large amount of waste products and are widely used in the market, but the recovery cost is high and the recovery rate is low by conventional methods. technology specifically for its recycling
The recycling of scrap copper in the prior art generally adopts mechanical methods to clean the surface and then directly recycles it. On the one hand, the recovery rate is greatly reduced, and on the other hand, the performance of brass after long-term use is significantly reduced, and the surface is corroded, oxidized and desquamated, and internal fatigue. , Microcracks and other large accumulations, the reuse value is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of manufacturing method of the brass that extracts from waste car tank, comprises the following steps:

[0027] 1) Preparation before production

[0028] ①Preparation of raw materials for extraction: prepare a sufficient amount of aluminum powder with a diameter of 1 μm and a sufficient amount of metal zinc;

[0029] ②Equipment and tooling preparation: Prepare abrasive flow deburring equipment, acidity meter, recovery tank with built-in mechanical stirring device and inner surface protected by PVC film sealing, vacuum electroslag remelting equipment, set at the bottom of the recovery tank and cover the area Recover the tray with 2 / 3 of the bottom area of ​​the tank, which is made of tetrafluoroethylene;

[0030] ③ Preparation of auxiliary raw materials: sufficient amount of Bacillus cereus bacterial agent, Escherichia coli FR-2 bacterial agent, Achromobacter TY3-4 bacterial agent, solid LB medium, potassium permanganate solution with a solute mass fraction of 3%...

Embodiment 2

[0046] The whole is consistent with Example 1, the difference is:

[0047]A kind of manufacturing method of the brass that extracts from waste car tank, comprises the following steps:

[0048] 1) Preparation before production

[0049] ①Preparation of raw materials for extraction: prepare a sufficient amount of aluminum powder with a diameter of 2 μm and a sufficient amount of metal zinc;

[0050] ③Auxiliary raw material preparation: sufficient amount of Bacillus cereus bacterial agent, Escherichia coli FR-2 bacterial agent, Achromobacter TY3-4 bacterial agent, solid LB medium, potassium permanganate solution with a solute mass fraction of 3%;

[0051] 2) Cultivation of reducing microorganisms

[0052] ①Spray Bacillus cereus, Escherichia coli FR-2, and Achromobacter TY3-4 evenly on the surface of solid LB medium, raise the temperature to 35°C, and let it stand for 3 days to obtain the initial culture of bacteria base;

[0053] ② Pour the potassium permanganate solution prep...

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Abstract

The invention discloses a manufacturing method for brass extracted from a waste automobile water tank. The brass extracted from the waste automobile water tank is equivalent to newly-prepared originalbrass in weight and chemical component. The manufacturing method mainly comprises the steps that after the surface is cleaned, reduction is conducted through microbial activities, and purification isconducted; and then vacuum electroslag remelting is conducted, and finally recycling is conducted. The recycling rate of the brass extracted from the waste automobile water tank is extremely high, and the recycled brass is good in quality, convenient to recycle, low in cost and wide in application range.

Description

technical field [0001] The invention relates to the field of scrap metal recycling, in particular to a brass extracted from a waste car water tank and a manufacturing method thereof. Background technique [0002] Metal recycling refers to the useful substances separated from scrap metals that are physically or mechanically processed into recycled products. It is an industrial chain from recycling, dismantling, and recycling. The metal recycling industry has formed a complete industrial chain and recycling ecosystem, which is of great significance to the effective utilization of resources. [0003] However, there are a large number of waste cars in the prior art, and almost all old cars use brass water tanks. These water tanks have a large amount of waste products and are widely used in the market, but the recovery cost is high and the recovery rate is low by conventional methods. Technology is specific to its recycling. The recycling of scrap copper in the prior art genera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B7/00C22B3/18C22B3/46C22B9/18C22B9/04
CPCC22B3/18C22B3/46C22B7/006C22B9/04C22B9/18Y02P10/20
Inventor 王朝阳祝云霞连超燕徐东荣林方杰王玉堂
Owner NINGBO HUACHENG VALVE
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