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Water purification special-purpose powdered iron

A technology of water purification and iron powder, which is applied in the direction of coating, etc., can solve the problems of poor drinking water treatment effect and indicators that cannot meet the requirements, and achieve the effect of low cost and simple elimination method

Inactive Publication Date: 2008-04-09
王惠民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] In order to solve the problem in the prior art that the treatment effect on drinking water is poor and various indicators fail to meet the requirements, the present invention provides a water purification special iron powder for purifying water quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024]Example 1: In the case of -5°C, the frequency of high-frequency cutting is set at 3500 times per minute to produce drinking water coagulation special nano-iron powder and then sorted out (100nm as an example) D3 = 32nm, D25 = 51nm , D50 = 100nm, D75 = 132nm, D97 = 173nm, the particle distribution is relatively dispersed, the surface tension is extremely large, and the powder material with high affinity to other metals, the iron powder particles are infiltrated with quasi-high temperature gas at 510 ° C before coating, so that The surface of the iron powder particles forms a mesopore honeycomb shape, and then the "nitrogen and hydrogen coating method" is used to continue the anti-oxidation coating of the iron powder particles with a thickness of 2nm to 3nm.

[0025] For iron powder sorting, you can choose "cyclone classification process". time. Use artificial wind force and speed to effectively classify iron powder particles with different diameters in a closed container...

Embodiment 2

[0027] Example 2: In the case of -15°C, the frequency of high-frequency cutting is set at 4000 times per minute to produce drinking water coagulation special nano-iron powder and then sorted out (100nm as an example) D3 = 32nm, D25 = 51nm , D50 = 100nm, D75 = 132nm, D97 = 173nm, the particle distribution is relatively dispersed, the surface tension is extremely large, and the powder material with high affinity to other metals, the iron powder particles are infiltrated with quasi-high temperature gas at 510 ° C before coating, so that The surface of the iron powder particles forms a mesopore honeycomb shape, and then uses the "DQ coating method" to continue the anti-oxidation coating with a thickness of 2nm to 3nm on the iron powder particles.

Embodiment 3

[0028] Example 3: In the case of -10°C, the frequency of high-frequency cutting is set at 3750 times per minute to produce special nano-iron powder for drinking water coagulation and then sort out (100nm as an example) D3 = 32nm, D25 = 51nm , D50 = 100nm, D75 = 132nm, D97 = 173nm, the particle distribution is relatively dispersed, the surface tension is extremely large, and the powder material with high affinity to other metals, the iron powder particles are infiltrated with quasi-high temperature gas at 510 ° C before coating, so that The surface of the iron powder particles forms a mesopore honeycomb shape, and then uses the "DQ coating method" to continue the anti-oxidation coating with a thickness of 2nm to 3nm on the iron powder particles.

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Abstract

The invention relates to nanometer scale iron powder, in particular to water purification special purpose iron powder. The invention solves the problems existing in the prior art that the treatment effect of drinking water is poor, and each index can not reach the requirement. Through utilizing the cutting manufacturing process of the zero zone particles of the nanometer powder body under the circumstance of 5 DEG C to 15 DEG C below zero DEG C and the circumstance of setting the high frequency cutting times to be in 3500 times to 4000 times per minute, drinking water conglomeration special purpose iron powder is produced, and then Powder materials of D3 =32nm D25=D3=51nm D50=100nm D75=132nm D97=173nm are graded, before the coating, the pervasion of 510 DEG C semi-hot gas is performed to iron powder particles, to lead the surface of the iron powder particles to form a medium hole honeycomb shape, and then the anti-oxidization coating is performed to the iron powder particles. When being used, the invention can effectively remove the hazardous materials in water such as microorganism and heavy metals, etc.

Description

technical field [0001] The invention relates to a nano-level iron powder, in particular to a special iron powder for water purification. Background technique [0002] The safety of drinking water is crucial to human health. There are many countries in the world with different drinking water quality standards. The most representative and authoritative is the World Health Organization (WHO) water quality guidelines, which are the basis and basis for countries all over the world to formulate their own drinking water quality standards. WHO held a meeting in Geneva in September 1992 to discuss the revision of the 1984 edition of the "Guidelines". After discussions by more than 200 experts from 35 countries, the "Guidelines for Drinking Water Quality, 2nd Ed ), which was promulgated and implemented in 1993. This edition includes 135 health-related water quality indicators, including 2 microbiological indicators and 131 chemical substance indicators (36 inorganic substances, 31 ...

Claims

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Application Information

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IPC IPC(8): B22F9/04B22F1/02
Inventor 王惠民
Owner 王惠民
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