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Method for separating mixture containing N types of solid powder in different densities

A technology of mixture and solid powder, applied in solid separation, chemical instruments and methods, and separation of solids from solids by air flow, etc., can solve problems such as inability to separate, and achieve the effects of saving manpower and material resources, less investment, and simple operation.

Inactive Publication Date: 2012-01-11
王嘉兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not suitable for non-magnetic material mixtures, and most of the chemical mixture materials are non-magnetic substances, which cannot be separated by polar magnetic separation technology.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for separating a mixture of four solid powders with different densities, the four solid powders being charcoal, copper oxide, iron oxide and calcium oxide comprises the following specific steps:

[0021] Step A: Convert the mass W of the four substances in the solid powder mixture 1 , W 2 , W 3 and W 4 , where the carbon mass W 1 is 80kg, the mass of copper oxide W 2 is 120kg, the mass of iron oxide W 3 is 200kg, the mass of calcium oxide W 4 200kg, and grind the solid powder mixture into 400-600 mesh powder;

[0022] Step B: The ground solid powder mixture obtained in step A is subjected to quality classification by a weight winnowing machine, and is divided into solid powder mixtures of heavy, medium and light specifications, wherein the solid powder mixture of the heavy specification is 150kg, and the solid powder mixture of the medium specification 150kg for solid powder mixture, 150kg for fine size solid powder mixture;

[0023] Step C: Sieve the s...

Embodiment 2

[0026] A method for separating the mixture of four solid powders containing different densities, the four solid powders are sodium chloride, sodium hydroxide, sodium carbonate and sodium sulfate comprise the following specific steps:

[0027]Step A: Convert the mass W of the four substances in the solid powder mixture 1 , W 2 , W 3 and W 4 , where the mass of NaCl W 1 is 100kg, the mass of sodium hydroxide W 2 150kg, the quality of sodium carbonate W 3 is 100kg, the mass of sodium sulfate W 4 200kg, and grind the solid powder mixture into 400-600 mesh powder;

[0028] Step B: The ground solid powder mixture obtained in step A is subjected to quality classification by a weight winnowing machine, and is divided into solid powder mixtures of heavy, medium and light specifications, wherein, the solid powder mixture of the heavy specification is 137.5kg, and the medium specification 137.5kg for the solid powder mixture, and 137.5kg for the fine-sized solid powder mixture;

...

Embodiment 3

[0032] A method for separating a mixture of three solid powders with different densities. The known three solid powders are aluminum, copper and silicon dioxide, comprising the following specific steps:

[0033] Step A: Convert the mass W of the three substances in the solid powder mixture 1 , W 2 and W 3 , where the mass of aluminum W 1 is 54kg, the mass of copper W 2 is 130kg, the quality of silicon dioxide W 3 200kg, and grind the solid powder mixture into 400-600 mesh powder;

[0034] Step B: The ground solid powder mixture obtained in step A is subjected to quality classification by a weight winnowing machine, and is divided into solid powder mixtures of heavy, medium and light specifications, wherein the solid powder mixture of heavy specifications is 128kg, and the solid powder mixture of medium specifications is 128kg. 128kg for solid powder mixture, 128kg for fine size solid powder mixture;

[0035] Step C: Sieve the solid powder mixture of heavy specifications ...

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PUM

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Abstract

The invention provides a method for separating mixture containing N types of solid powder in different densities. The method comprises the following steps of: firstly smashing the solid powder into 400-600-mesh powder, performing air separation by weight, screening and sieving, and further completing the separation of the mixture containing the N types of the solid powder by utilizing density difference and volume difference among different substances. The method is simple in operation, low in equipment investment and convenient and fast and saves manpower and physical resources, thereby being a very applicable separation method.

Description

technical field [0001] The invention relates to the technical field of material separation, in particular to a method for separating N types of solid powder mixtures with different densities. Background technique [0002] The separation of substances is an important step in the chemical process, and it is also a necessary process to separate the reaction products after chemical reactions between compounds. Most of the current chemical processes are to obtain products soluble in the reaction solution and precipitates insoluble in the reaction solution through chemical reactions, and separate the products from the precipitates by filtration. This kind of method consumes manpower and material resources, wastes resources, and sometimes has potential safety hazards. Pollution environment. [0003] At present, the more commonly used material separation technology includes polar magnetic separation, in which one of the mixed materials separated by this method must be magnetic. It...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B9/00
Inventor 王嘉兴
Owner 王嘉兴
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