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Preparation method of dust absorbent for casting copper alloy with waste as raw material

A technology of dust absorption and copper alloy, which is applied in the field of preparation of dust absorbents, can solve the problems of ineffective removal, air pollution, easy generation of a large amount of dust, etc., and achieves the effects of convenient preparation, low cost and simple operation.

Inactive Publication Date: 2019-02-01
徐兴东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the copper alloy casting industry, especially non-vacuum, when casting waste materials as raw materials, due to the oil, oxides, inclusions, etc. adsorbed on the surface of the waste materials, it is easy to generate a large amount of dust at high temperature after being added to the furnace, which needs to be removed quickly , traditional methods such as blowers are used, but they often cannot be effectively removed, and it will also cause a larger area of ​​air pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Get cetyl sodium sulfonate 12kg, dioctyl sodium dibutyrate sulfonate 5kg, fatty acid sulfoalkylamide 5kg, carboxymethyl starch 0.2kg, zinc oxide 0.4kg, urea 1kg add 76.4kg water, in the heated Stir fully under the conditions for 15 minutes to make 100kg absorbent, then add water to dilute to the required ratio.

Embodiment 2

[0026] Take 18kg of cetyl sodium sulfonate, 3kg of dioctyl sodium dibutyrate sulfonate, 6kg of fatty acid sulfoalkylamide, 0.3kg of carboxymethyl starch, 0.3kg of zinc oxide, and 1.5kg of urea into 70.9kg of water, and heat Stir fully for 25 minutes under certain conditions to make 100kg of absorbent, and then dilute with water to the required ratio.

Embodiment 3

[0028] Get 16kg of cetyl sodium sulfonate, 4kg of dioctyl sodium dibutyrate sulfonate, 5kg of fatty acid sulfoalkylamide, 0.3kg of carboxymethyl starch, 0.3kg of zinc oxide, and 1.6kg of urea into 72.8kg of water, and heat Stir fully under the conditions for 15 minutes to make 100kg of absorbent, then add water to dilute to the required ratio.

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PUM

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Abstract

The invention relates to a preparation method of a dust absorbent for casting a copper alloy with waste as a raw material, wherein the preparation method includes the following steps: (1) proportionally weighing sodium hexadecyl sulfonate, dioctyl sodium sulfosuccinate, sulfonated fatty acidalkyl amide, carboxymethyl starch, zinc oxide, urea and the balance water; and (2) diluting the raw materials weighed in the step (1) to a solution with the mass percentage concentration of 2-4%, and placing the solution around a casting furnace. The prepared absorbent has the advantages of simple preparation, convenient use, high absorption efficiency and the like.

Description

Technical field: [0001] The invention belongs to the technical field of chemical industry and relates to the preparation of absorbents, in particular to the preparation of a dust absorbent for casting copper alloys using scrap as raw materials. Background technique [0002] In the copper alloy casting industry, especially non-vacuum, when casting waste materials as raw materials, due to the oil, oxides, inclusions, etc. adsorbed on the surface of the waste materials, it is easy to generate a large amount of dust at high temperature after being added to the furnace, which needs to be removed quickly , traditional methods such as blowers are used, but they often cannot be effectively removed, and it will also cause a larger area of ​​air pollution. Invention content: [0003] The object of the present invention is to provide an absorber capable of quickly absorbing the dust produced in the casting process of copper alloys, with simple operation and low cost. [0004] Techni...

Claims

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Application Information

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IPC IPC(8): B01D47/00
CPCB01D47/00B01D2252/504B01D2258/025
Inventor 徐兴东
Owner 徐兴东
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