Preparing method of composite magnetism-gathering medium for horizontal ring type high-gradient high intensity magnetic separator

A technology of magnetic concentration medium and high gradient, which is applied in the field of preparation of composite magnetic concentration medium for flat ring strong magnetic separator, can solve the problems of low magnetic field gradient and poor wear resistance and corrosion resistance of single ferritic stainless steel magnetic concentration medium , to achieve the effects of reducing tailings emissions, lowering manufacturing costs, and improving metal recovery rates

Active Publication Date: 2017-09-22
嘉峪关天源新材料有限责任公司
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  • Application Information

AI Technical Summary

Problems solved by technology

To solve the problems of poor wear resistance and corrosion resistance of single pure iron magnetic gathering medium and low magnetic field gradient of single ferritic stainless steel magnetic gathering medium in the prior art

Method used

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  • Preparing method of composite magnetism-gathering medium for horizontal ring type high-gradient high intensity magnetic separator
  • Preparing method of composite magnetism-gathering medium for horizontal ring type high-gradient high intensity magnetic separator
  • Preparing method of composite magnetism-gathering medium for horizontal ring type high-gradient high intensity magnetic separator

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Embodiment 1

[0023] A method for preparing a composite magnetic gathering medium for a flat-ring high-gradient strong magnetic separator, which is composed of ultra-pure ferritic stainless steel and industrial pure iron, wherein the ultra-pure ferritic stainless steel is a rectangular plate with a thickness of 5mm, and industrial pure iron It is a rectangular plate with a thickness of 10mm, and the length and width of the two are equal. The ultra-pure ferritic stainless steel is the ultra-pure ferritic stainless steel that has been pickled and annealed with a Cr content greater than 16%. Industrial pure iron is rolled industrial pure iron. ; With a concentration of 20-30g / l trisodium phosphate solution and 20-30g / l sodium hydroxide solution prepared in a ratio of 1:1 to plate-shaped ultra-pure ferritic stainless steel 1, plate-shaped industrial pure iron 2 Carry out degreasing, derusting, descaling cleaning, cleaning temperature is 90 ℃; after cleaning, dry in reducing atmosphere;

[0024]...

Embodiment 2

[0029] A method for preparing a composite magnetic gathering medium for a flat-ring high-gradient strong magnetic separator, which is composed of ultra-pure ferritic stainless steel and industrial pure iron, wherein the ultra-pure ferritic stainless steel is a rectangular plate with a thickness of 9 mm, and industrial pure iron It is a rectangular plate with a thickness of 14mm, and the length and width of the two are equal. The ultra-pure ferritic stainless steel is the ultra-pure ferritic stainless steel that has been pickled and annealed with a Cr content greater than 16%. Industrial pure iron is rolled industrial pure iron. ; With a concentration of 20-30g / l trisodium phosphate solution and 20-30g / l sodium hydroxide solution prepared in a ratio of 1:1 to plate-shaped ultra-pure ferritic stainless steel 1, plate-shaped industrial pure iron 2 Carry out degreasing, derusting and descaling cleaning, the cleaning temperature is 60°C; after cleaning, dry in a reducing atmosphere;...

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Abstract

The invention discloses a preparation method of a composite magnetism-gathering medium for a horizontal ring type high-gradient high intensity magnetic separator. The composite magnetism-gathering medium is formed by compounding ultra-pure ferritic stainless steel and industrial pure iron, wherein the composite material is subjected to surfacing degreasing, welding, rolling and cooling to prepare the high intensity magnetic separation magnetism-gathering medium. The tooth-shaped magnetism-gathering medium prepared by the composite material has the advantages of being low in preparing cost, high in magnetic field gradient, long in service life and the like, and is capable of increasing the metal recovery rate and reducing the discharging amount of the tailings in the high intensity magnetic separation process.

Description

technical field [0001] The invention belongs to the field of composite functional materials, and relates to a preparation method of a composite magnetic gathering medium used in a flat-ring high-speed magnetic separator. Background technique [0002] The flat-ring high-gradient strong magnetic separator is widely used in the process of processing weak magnetic fine-grained minerals, and the core component of the flat-ring high-gradient strong magnetic separator is a tooth-shaped magnetic gathering medium, which is machined from ferromagnetic metal materials It is prepared; under the alternating action of an external magnetic field, the ferromagnetic and tooth-like structure of the material is used to improve the magnetic field gradient for mineral separation. [0003] During the use of the strong magnetic separator, with the repeated use of the slurry circulating water, the corrosive ions in the slurry gradually accumulate, so that the magnetic gathering medium of the tooth ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00C23G1/19
CPCB23P15/00C23G1/19
Inventor 李具仓白江虎任娟红马艳丽唐东刘显峰王军伟
Owner 嘉峪关天源新材料有限责任公司
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