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Preparing device and method for magnetic nondestructive testing material based on membrane technology

A technology for non-destructive testing and preparation of equipment, which is applied in the direction of iron oxide, iron oxide/iron hydroxide, etc., can solve the problems of low particle purity, uneven distribution, high cost, etc., achieve uniform particle size distribution, prevent The effect of mutual aggregation and reduction of specific surface energy

Inactive Publication Date: 2016-10-12
GUANGDONG INSPECTION & RES INST OF SPECIAL EQUIP ZHUHAI INSPECTION INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nano-Fe produced by these methods 3 o 4 The particle purity is not high, the particle size is large and unevenly distributed, the cost is high, etc., and continuous preparation cannot be realized

Method used

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  • Preparing device and method for magnetic nondestructive testing material based on membrane technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Referring to the accompanying drawings, an embodiment of the present invention provides a preparation device for magnetic non-destructive testing materials based on membrane technology, including a first storage tank 1, a second storage tank 2, a first pump 3, a second pump 4, and a reaction vessel 5, The first membrane assembly 6, the second membrane assembly 7, the liquid outlet of the first storage tank 1 communicates with the liquid inlet of the first membrane assembly 6 through the first pump 3, and the liquid outlet of the first membrane assembly 6 communicates with the first membrane assembly 6. The liquid inlet of a storage tank 1 is connected, and the first storage tank 1, the first pump 3 and the first membrane module 6 form a circuit; the liquid outlet of the second storage tank 2 passes through the second pump 4 and the second membrane module 7 The liquid inlet port of the second membrane module 7 is connected with the second storage tank 2, and the second st...

Embodiment 2

[0042] The present invention provides a method for preparing a magnetic nondestructive testing material preparation device based on membrane technology. Compared with Example 1, the difference is that

[0043] Dissolve ferric chloride and ferrous chloride in desalinated water to prepare mixed solution S1, in which Fe 3+ with Fe 2+ The ratio of the amount of substances is 1:1;

[0044] Sodium hydroxide and dispersant were dissolved in desalinated water to prepare mixed solution S2, wherein the ratio of sodium hydroxide to dispersant was 1:0.002.

Embodiment 3

[0046] The present invention provides a method for preparing a magnetic nondestructive testing material preparation device based on membrane technology. Compared with Example 1, the difference is that

[0047] Dissolve ferric chloride and ferrous chloride in desalinated water to prepare mixed solution S1, in which Fe 3+ with Fe 2+ The ratio of the amount of substances is 3:2;

[0048] Sodium hydroxide and dispersant are dissolved in desalinated water to prepare mixed solution S2, wherein the ratio of sodium hydroxide to dispersant is 1:0.01.

[0049] The preparation device and preparation method of magnetic non-destructive testing materials based on membrane technology provided by the embodiments of the present invention apply membrane separation technology, and use two membrane modules to filter the raw materials undergoing main chemical reactions respectively, and the first membrane module 6 Both the second membrane module and the second membrane module 7 adopt an arc desi...

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Abstract

The invention provides a preparing device for a magnetic nondestructive testing material based on the membrane technology. The preparing device comprises a first storage tank, a second storage tank, a first pump, a second pump, a reaction container, a first membrane assembly and a second membrane assembly. A liquid outlet of the first storage tank is communicated with a liquid inlet of the first membrane assembly through the first pump, a liquid outlet of the first membrane assembly is communicated with a liquid inlet of the first storage tank, a liquid outlet of the second storage tank is communicated with a liquid inlet of the second membrane assembly through the second pump, and a liquid outlet of the second membrane assembly is communicated with the second storage tank. The first membrane assembly and the second membrane assembly are arc and are symmetrically arranged in the reaction container. The invention further provides a preparing method for the magnetic nondestructive testing material based on the membrane technology.

Description

technical field [0001] The invention relates to the technical field of nondestructive testing, in particular to a nano Fe 3 o 4 A device for preparing a magnetic non-destructive testing material and a preparation method thereof. Background technique [0002] Non-destructive testing is to use the sound, light, magnetic and electrical characteristics of the material to detect whether there is a defect or inhomogeneity in the object to be inspected without damaging or affecting the performance of the object to be inspected, and to give the size and location of the defect. , nature and quantity information. Superparamagnetism is a special magnetic effect. Substances with superparamagnetism are magnetized when an external magnetic field is applied. When the external magnetic field disappears, the magnetization of superparamagnetic substances is almost zero and the coercive force is very small. Due to this characteristic, superparamagnetic materials are used in many fields. Am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G49/08
CPCC01G49/08
Inventor 戚政武王磊陈英红杨宁祥关晓辉矫庆泽
Owner GUANGDONG INSPECTION & RES INST OF SPECIAL EQUIP ZHUHAI INSPECTION INST
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