CN207684910U - The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide - Google Patents

The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide Download PDF

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Publication number
CN207684910U
CN207684910U CN201721702407.4U CN201721702407U CN207684910U CN 207684910 U CN207684910 U CN 207684910U CN 201721702407 U CN201721702407 U CN 201721702407U CN 207684910 U CN207684910 U CN 207684910U
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China
Prior art keywords
ferroso
process units
ferric oxide
filter
magnetic recording
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Expired - Fee Related
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CN201721702407.4U
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Chinese (zh)
Inventor
彭飞
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Chengdu Milton Science And Technology Co Ltd
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Chengdu Milton Science And Technology Co Ltd
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Abstract

The longitudinal magnetic recording process units of magnetic powder ferroso-ferric oxide includes mainly:Reaction kettle (D101), storage tank (F101), filter (L101), washer (L102), pump (J101), wherein, reaction kettle (D101) is connected with pump (J101), filter (L101) respectively, filter (L101) is connected with washer (L102), wherein, interior 1000 1100mm of pot diameter of reaction kettle (D101).

Description

The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide
Technical field
The present invention relates to the production of compound synthesis device more particularly to longitudinal magnetic recording magnetic powder ferroso-ferric oxide dresses It sets.
Background technology
Longitudinal magnetic recording is mainly used for information record, magnetic ink character identifying system etc. with magnetic powder ferroso-ferric oxide.It is existing Some process units are mostly more complicated, and for ferroferric oxide magnetic powder as longitudinal magnetic recording magnetic powder, process units quality is right In improving product quality, reducing by-products content has Important Economic meaning.
Invention content
The purpose of the present invention is to provide the longitudinal magnetic recording process units of magnetic powder ferroso-ferric oxide, include mainly:Instead Answer kettle (D101), storage tank (F101), filter (L101), washer (L102), pump (J101), wherein reaction kettle (D101) point It is not connected with pump (J101), filter (L101), filter (L101) is connected with washer (L102), wherein reaction kettle (D101) interior pot diameter 1000-1100mm, storage tank (F101) total volume 2.7-2.8m3, pump (J101) impeller diameter 120- 135mm。
The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide, production procedure are:It is ferrous to control ferrous sulfate solution Isometric hydroxide will be disposably added in stirring in ferrous sulfate solution in ion concentration 0.7mol/L, pH=1.5~1.7 Sodium solution controls quality/FeSO of NaOH4·7H2The mass ratio of O is 0.77~0.79, adjusts 30-33 DEG C of system temperature, control Mixing speed and air are passed through rate, and the iron oxide yellow of certain specific surface area is made, by product through filter in reaction time 10-15min L101, washer L102 are filtered washing 90-130min, get product.The invention has the advantages that:Reduce the intermediate ring of reaction Section, reduces reaction temperature and reaction time, improves reaction yield.
Description of the drawings
Fig. 1 is the process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide, includes mainly:Reaction kettle (D101), storage tank (F101), filter (L101), washer (L102), pump (J101).
Specific implementation mode
With reference to specific implementation example, the invention will be further described:
Example 1:
Raw materials for production and dosage
The longitudinal magnetic recording process units of magnetic powder ferroso-ferric oxide includes mainly:Reaction kettle (D101), storage tank (F101), filter (L101), washer (L102), pump (J101), wherein reaction kettle (D101) respectively with pump (J101), mistake Filter (L101) is connected, and filter (L101) is connected with washer (L102), wherein the interior pot diameter of reaction kettle (D101) 1000mm, storage tank (F101) total volume 2.7m3, pump (J101) impeller diameter 120mm.
The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide, production procedure are:It is ferrous to control ferrous sulfate solution Ion concentration 0.7mol/L, pH=1.5, it is molten by isometric sodium hydroxide is disposably added in stirring in ferrous sulfate solution Liquid controls quality/FeSO of NaOH4·7H2The mass ratio of O is 0.77, adjusts 30 DEG C of system temperature, controls mixing speed and sky Gas is passed through rate, and the iron oxide yellow of certain specific surface area is made, by product through filter L101, washer L102 in reaction time 10min It is filtered washing 90min, is got product.
Product quality
Example 2:
Raw materials for production and dosage
The longitudinal magnetic recording process units of magnetic powder ferroso-ferric oxide includes mainly:Reaction kettle (D101), storage tank (F101), filter (L101), washer (L102), pump (J101), wherein reaction kettle (D101) respectively with pump (J101), mistake Filter (L101) is connected, and filter (L101) is connected with washer (L102), wherein the interior pot diameter of reaction kettle (D101) 1100mm, storage tank (F101) total volume 2.8m3, pump (J101) impeller diameter 135mm.
The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide, production procedure are:It is ferrous to control ferrous sulfate solution Ion concentration 0.7mol/L, pH=1.7, it is molten by isometric sodium hydroxide is disposably added in stirring in ferrous sulfate solution Liquid controls quality/FeSO of NaOH4·7H2The mass ratio of O is 0.79, adjusts 33 DEG C of system temperature, controls mixing speed and sky Gas is passed through rate, and the iron oxide yellow of certain specific surface area is made, by product through filter L101, washer L102 in reaction time 15min It is filtered washing 130min, is got product.
Product quality
It described in above example, is merely preferred embodiments of the present invention, but protection scope of the present invention not office Be limited to this, any one skilled in the art in the technical scope disclosed by the present invention, the technique according to the invention Scheme and its inventive concept are subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (3)

1. the longitudinal magnetic recording process units of magnetic powder ferroso-ferric oxide, which is characterized in that include mainly:Reaction kettle (D101), Storage tank (F101), filter (L101), washer (L102), pump (J101), wherein reaction kettle (D101) respectively with pump (J101), filter (L101) is connected, and filter (L101) is connected with washer (L102), wherein reaction kettle (D101) Interior pot diameter 1000-1100mm.
2. the process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide according to claim 1, which is characterized in that described Storage tank (F101) total volume 2.7-2.8m3
3. the process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide according to claim 1, which is characterized in that described Pump (J101) impeller diameter 120-135mm.
CN201721702407.4U 2017-12-09 2017-12-09 The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide Expired - Fee Related CN207684910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721702407.4U CN207684910U (en) 2017-12-09 2017-12-09 The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721702407.4U CN207684910U (en) 2017-12-09 2017-12-09 The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide

Publications (1)

Publication Number Publication Date
CN207684910U true CN207684910U (en) 2018-08-03

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CN201721702407.4U Expired - Fee Related CN207684910U (en) 2017-12-09 2017-12-09 The process units of longitudinal magnetic recording magnetic powder ferroso-ferric oxide

Country Status (1)

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CN (1) CN207684910U (en)

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Granted publication date: 20180803

Termination date: 20181209