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Method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting gradient magnetic separation process

A gradient magnetic separation and symbiotic ore technology, applied in chemical instruments and methods, solid separation, wet separation, etc., can solve the problems of low grade, difficult ore dressing means, and obtain qualified iron concentrate and titanium concentrate, etc., to achieve Reduce consumption, save production cost, and shorten the process

Inactive Publication Date: 2012-02-08
陕西延长石油中陕金属矿业有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, raw ore (gross ore) dressing and smelting can be roughly divided into two types. One is to obtain qualified iron concentrate and titanium concentrate that can be further processed in industry through ore dressing. Iron concentrate can be obtained through a certain amount of rich iron ore. Blast furnace smelting to obtain pig iron; titanium concentrate can be smelted through carbothermal reduction to obtain high-titanium slag, which can be further processed; another kind of raw ore (gross ore) with low grade and difficult to separate and smelt, it is difficult to obtain qualified raw ore through mineral processing. Iron concentrate and titanium concentrate, so far there is no good way to deal with

Method used

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  • Method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting gradient magnetic separation process
  • Method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting gradient magnetic separation process
  • Method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting gradient magnetic separation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Step 1: Coarse Grinding

[0071] The aluminum-vanadium-titanium-iron-silicon composite symbiotic ore is crushed by mechanical crushing (PET-60×100 jaw crusher) to obtain a coarsely crushed ore with a particle size of less than 400 mesh;

[0072] The main component of the raw ore (gross ore) used in embodiment 1 is (mass percentage):

[0073] TF

MgO

TiO 2

MnO

FeO

SiO 2

Fe 2 o 3

CaO

19.96

4.04

7.30

0.25

8.00

33.51

19.40

7.41

Al 2 o 3

V 2 o 5

K 2 o

MFe

Na 2 o

P

S

sc

13.15

0.18

0.82

0.17

1.59

0.15

0.56

0.0049

co

Ni

Cu

Burn down

Cr 2 o 3

0.011

0.0055

＜0.005

2.80

＜0.10

[0074] Step 2: Fine Grinding

[0075] The coarse crushed ore is crushed with a grinder (XMQ-240×90 ball mill) to obtain a pulp with a ...

Embodiment 2

[0101] Step 1: Coarse Grinding

[0102] The aluminum-vanadium-titanium-iron-silicon composite symbiotic ore is crushed by mechanical crushing to obtain a coarsely crushed ore with a particle size of 200 mesh;

[0103] The main component of the raw ore (gross ore) used in embodiment 2 is (mass percentage):

[0104] TF

MgO

TiO 2

MnO

FeO

SiO 2

Fe 2 o 3

CaO

19.96

4.04

7.30

0.25

8.00

33.51

19.40

7.41

al 2 o 3

V 2 o 5

K 2 o

MFe

Na 2 o

P

S

sc

13.15

0.18

0.82

0.17

1.59

0.15

0.56

0.0049

co

Ni

Cu

Burn down

Cr 2 o 3

0.011

0.0055

＜0.005

2.80

＜0.10

[0105] Step 2: Fine Grinding

[0106] The coarse crushed ore is crushed with a grinder to obtain a pulp with a particle size of less than 200 mesh;

[0107] The mass ...

Embodiment 3

[0123] Step 1: Coarse Grinding

[0124] The aluminum-vanadium-titanium-iron-silicon composite symbiotic ore is crushed by mechanical crushing to obtain a coarsely crushed ore with a particle size of 300 mesh;

[0125] The main component of the raw ore (gross ore) used in embodiment 3 is (mass percentage):

[0126] TF

MgO

TiO 2

MnO

FeO

SiO 2

Fe 2 o 3

CaO

19.96

4.04

7.30

0.25

8.00

33.51

19.40

7.41

Al 2 o 3

V 2 o 5

K 2 o

MFe

Na 2 o

P

S

sc

13.15

0.18

0.82

0.17

1.59

0.15

0.56

0.0049

co

Ni

Cu

Burn down

Cr 2 o 3

0.011

0.0055

＜0.005

2.80

＜0.10

[0127] Step 2: Fine Grinding

[0128]The coarse crushed ore is crushed with a grinder to obtain a pulp with a particle size of less than 200 mesh;

[0129] The mass per...

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Abstract

The invention discloses a method for separating ferro-silicon-aluminum products and vanadium-titanium-iron products from aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals by adopting a gradient magnetic separation process. The method comprises the steps of: firstly, crushing the aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals, and then performing a strong magnetic separation process on the crushed aluminum-vanadium-titanium-iron-silicon composite paragenetic minerals to obtain primary ferro-silicon-aluminum products and primary intermediate products; then performing sulfidizing treatment to separate sulphur deposits and secondary intermediate products from the primary intermediate products; and finally, performing weak magnetic separation process on the secondary intermediate products to obtain secondary ferro-silicon-aluminum products and vanadium-titanium-iron products. According to the invention, a plurality of subsidiary products are separated from raw ores in strong and weak magnetic separation manners, so that the manufacturing process is reduced, the production cost is saved, and the consumption of electric energy is reduced.

Description

technical field [0001] The present invention relates to a method for separating minerals, more particularly, it refers to a method for separating various subsidiary products from aluminum-vanadium-titanium-iron-silicon composite symbiotic ore, that is, using gradient magnetic separation technology and sulfide ore flotation Auxiliary separation is used to obtain the industrial production method of primary sendust, secondary sendust, vanadium-titanium ferro-titanium and sulfur concentrate. Background technique [0002] The feasibility of dressing and smelting of raw ore (gross ore) in different origins is not the same. Generally speaking, raw ore (gross ore) dressing and smelting can be roughly divided into two types. One is to obtain qualified iron concentrate and titanium concentrate that can be further processed in industry through ore dressing. Iron concentrate can be obtained through a certain amount of rich iron ore. Blast furnace smelting to obtain pig iron; titanium c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B7/00
Inventor 卢惠民
Owner 陕西延长石油中陕金属矿业有限公司
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