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Production device of needle-shaped ferroferric oxide magnetic powder

A ferromagnetic and production device technology for ferromagnetic oxide, which is applied in the direction of iron oxide/hydroxide, ferrous oxide, etc., and can solve problems such as complex production devices

Inactive Publication Date: 2018-07-03
CHENGDU MI ER DUN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing production devices are relatively complicated. Ferroferric oxide magnetic powder is used as magnetic powder for longitudinal magnetic recording. The pros and cons of the production device have important economic significance for improving product quality and reducing by-product content.

Method used

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  • Production device of needle-shaped ferroferric oxide magnetic powder
  • Production device of needle-shaped ferroferric oxide magnetic powder
  • Production device of needle-shaped ferroferric oxide magnetic powder

Examples

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example 1

[0008] Production raw materials and dosage

[0009]

[0010] The production device of acicular ferroferric oxide magnetic powder mainly includes: reaction kettle (D101), storage tank (F101), filter (L101), scrubber (L102), pump (J101), among which, reaction kettle (D101) Connect with the pump (J101) and filter (L101) respectively, the filter (L101) is connected with the scrubber (L102), wherein, the diameter of the inner pot of the reaction kettle (D101) is 1000mm, and the total volume of the storage tank (F101) is 2.7m 3 , Pump (J101) impeller diameter 120mm.

[0011] The production device of needle-shaped ferroferric oxide magnetic powder, the production process is as follows: control the ferrous ion concentration of ferrous sulfate solution to 0.7mol / L, pH=1.5, add an equal volume of sodium hydroxide to the ferrous sulfate solution under stirring solution, controlling the quality of NaOH / FeSO 4 ·7H 2 The mass ratio of O is 0.77, the temperature of the system is adjust...

example 2

[0015] Production raw materials and dosage

[0016]

[0017] The production device of acicular ferroferric oxide magnetic powder mainly includes: reaction kettle (D101), storage tank (F101), filter (L101), scrubber (L102), pump (J101), among which, reaction kettle (D101) Connect with the pump (J101) and filter (L101) respectively, the filter (L101) is connected with the scrubber (L102), wherein, the diameter of the inner pot of the reaction kettle (D101) is 1100mm, and the total volume of the storage tank (F101) is 2.8m 3 , Pump (J101) impeller diameter 135mm.

[0018] The production device of needle-shaped ferroferric oxide magnetic powder, the production process is: control the ferrous ion concentration of ferrous sulfate solution to 0.7mol / L, pH=1.7, add an equal volume of sodium hydroxide to the ferrous sulfate solution under stirring solution, controlling the quality of NaOH / FeSO 4 ·7H 2 The mass ratio of O is 0.79, the temperature of the system is adjusted to 33° C...

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Abstract

The invention discloses a production device of needle-shaped ferroferric oxide magnetic powder. The production device comprises a reaction kettle (D101), a storage tank (F101), a filter (L101), a scrubber (L102) and a pump (J101), wherein the reaction kettle (D101) is connected with the pump (J101) and the filter (L101) respectively, the filter (L101) is connected with the scrubber (L102), and theinner pot diameter of the reaction kettle (D101) is 1000-1100mm.

Description

technical field [0001] The invention relates to a compound synthesis device, in particular to a production device of acicular ferric oxide magnetic powder. Background technique [0002] Acicular ferroferric oxide magnetic powder is mainly used as magnetic powder for longitudinal magnetic recording, used for information recording, magnetic ink character recognition system, etc. Most of the existing production devices are relatively complicated. Ferroferric oxide magnetic powder is used as magnetic powder for longitudinal magnetic recording. The quality of the production device has important economic significance for improving product quality and reducing by-product content. Contents of the invention [0003] The object of the present invention is to provide the production device of acicular ferroferric oxide magnetic powder, mainly comprising: reactor (D101), storage tank (F101), filter (L101), scrubber (L102), pump (J101), wherein , the reaction kettle (D101) is connected...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G49/08
CPCC01G49/08C01P2004/10C01P2006/11C01P2006/42C01P2006/82
Inventor 彭飞
Owner CHENGDU MI ER DUN TECH CO LTD
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