CN108588447A - A kind of production method of metal manganese ingot - Google Patents
A kind of production method of metal manganese ingot Download PDFInfo
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- CN108588447A CN108588447A CN201810612467.XA CN201810612467A CN108588447A CN 108588447 A CN108588447 A CN 108588447A CN 201810612467 A CN201810612467 A CN 201810612467A CN 108588447 A CN108588447 A CN 108588447A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
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Abstract
Present application illustrates a kind of production methods of metal manganese ingot, siliceous reducer is added to shake refining using shaking ladle using hot liquid refining slag, produce pure intermediate manganese alloy (the secondary secondary intermediate alloy of hot liquid), up to 85% or more, pure intermediate manganese alloy (the secondary intermediate alloy of hot liquid) reheating is converted to be refined out alloy manganese mass fraction and reaches 92% metal manganese ingot mass fraction manganese element in the alloy.Compared with conventional method, the raw material and intermediate products of the application are all hot liquid, and low energy consumption, and production cost is low, and manganese alloy can directly enter stove refining among the application hot liquid, and method flow is simple, operation is easy, and qualification rate may be up to 90% or more.
Description
Technical field
The present invention relates to metallurgical technology field, more particularly to a kind of production method of metal manganese ingot.
Background technology
Manganese ingot is mainly for the production of stainless steel, potassium steel, heat resisting steel, tool steel, non-ferrous alloy (Cu, Al alloy etc.)
And as production soft magnetic materials (high-purity MnCo3、Mn3Co4) raw material and chemical coating of welding electrode, diamond touch coal etc..Generally
Manganese ingot is replaced with electrolytic manganese metal piece, still, when using electrolytic manganese metal piece, since manganese piece specific surface is big, is added as alloy
Oxidization burning loss is serious when adding agent purposes.It is traditional pyrometallurgical smelting metal manganese ingot long flow path, method complexity, low output, seriously polluted.
The prior art is used prepares metal manganese ingot in intermediate frequency furnace addition trace iron fusing manganese metal piece, and manganese metal piece is in high temperature
Under it is oxidizable, manganese recovery ratio is low, seriously polluted, low output, cost be higher than electrolytic manganese metal piece.
Invention content
The embodiment of the present application provides a kind of production method of metal manganese ingot, using liquid heat manganese slag and siliceous reducer, profit
The manganese in manganese slag is restored with silicon thermal response, manganese recovery ratio is high, and method is simple, and impurity content is low, can smelt qualified manganese metal
Ingot.
The embodiment of the present application provides a kind of production method of metal manganese ingot, includes the following steps：
S1, alloy, manganese ore and lime are put into the first refining furnace and are refined, obtain the first hot liquid manganese slag；
S2, the first hot liquid manganese slag is put into the first shaking ladle, and siliceous reducer is added, shaken refining 5-9min, obtain
Intermediate alloy of hot liquid；
S3, alloy, manganese ore and lime are put into the second refining furnace and are refined, obtain metal manganese ingot and the second hot liquid manganese
Slag；
S4, intermediate alloy of the hot liquid and the second hot liquid manganese slag are put into the second shaking ladle, shake refining 6-
10min obtains the secondary intermediate alloy of hot liquid；
S5, the secondary intermediate alloy of the hot liquid is recycled into the second refining furnace, hot liquid Mn-rich slag and white is added
Ash continues to refine, and obtains the metal manganese ingot and the second hot liquid manganese slag again, repeats S4-S5.
Optionally, the power of first refining and power and volume that volume is 2-3 times of second refining furnace, it is described
The volume of first shaking ladle is the volume of 1-2 times of second shaking ladle.
Optionally, the alloy is silicomangan.
Optionally, Si contents are more than 92%, Fe contents and are less than 2% in the siliceous reducer, and C content is less than 0.2%, P
Content is less than 0.02%, and, the total content of Ni, Ti, Ca, Pb and Al is less than 0.1%.
Optionally, in the S1, the mass ratio of the manganese ore, the alloy and the lime is (12-13)：(12-13)：
(6-7)。
Optionally, in the S3, the mass ratio of the alloy, the manganese ore and the lime is (4-5)：(8-10)：(4-
5)。
Optionally, the first hot liquid manganese cinder ladle includes following mass percent component：13-30%MnO, 26-32%
SiO2, 29-38%CaO, 1-3%MgO, 0-1%Fe, 2-6%Al2O3, surplus is impurity.
Optionally, in intermediate alloy of the hot liquid, Mn contents are higher than 65%, Si contents higher than 30%, and, Fe
Content is less than 3%.
Optionally, in the S5, in the hot liquid Mn-rich slag, MnO contents are higher than 50%, SiO2Content is less than 20%,
CaO content 4-10%, content of MgO 2-5%, Fe content are less than 1.5%, Al2O3Content 2-4%, P2O5Content is less than 0.02%.
Optionally, Mn contents are higher than 85%, Si contents less than 10% in the secondary intermediate alloy of the hot liquid, and, Fe
Content is less than 3%.
By above technical scheme as it can be seen that the embodiment of the present application shows a kind of production method of metal manganese ingot, including it is following
Step：S1, alloy, manganese ore and lime are put into the first refining furnace and are refined, obtain the first hot liquid manganese slag；S2, by described
One hot liquid manganese slag is put into the first shaking ladle, and siliceous reducer is added, and shakes refining 5-9min, obtains intermediate alloy of hot liquid；
S3, alloy, manganese ore and lime are put into the second refining furnace and are refined, obtain metal manganese ingot and the second hot liquid manganese slag；S4, by institute
It states intermediate alloy of hot liquid and the second hot liquid manganese slag is put into the second shaking ladle, shake refining 6-10min, obtain hot liquid two
Secondary intermediate alloy；S5, the secondary intermediate alloy of the hot liquid is recycled into the second refining furnace, be added hot liquid Mn-rich slag and
Lime continues to refine, and obtains the metal manganese ingot and the second hot liquid manganese slag again, repeats S4-S5.The application profit
Add siliceous reducer to shake refining using shaking ladle with hot liquid refining slag, produces (the secondary intermediate conjunction of hot liquid of pure intermediate manganese alloy
Gold), mass fraction is up to 85% or more in the alloy for manganese element, and pure intermediate manganese alloy (the secondary secondary intermediate alloy of hot liquid) is again
Heat, which is converted, to be refined out alloy manganese mass fraction and reaches 92% metal manganese ingot.Compared with conventional method, the raw material of the application and intermediate production
Product are all hot liquid, and low energy consumption, and production cost is low, and manganese alloy can directly enter stove refining, method flow among the application hot liquid
Simply, operation is easy, and qualification rate may be up to 90% or more.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is the production method flow chart that a kind of metal manganese ingot exemplified is preferably implemented in the application one.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work, should all belong to protection of the present invention
Range.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Refering to fig. 1, the embodiment of the present application provides a kind of production method of metal manganese ingot, includes the following steps：
S1, alloy, manganese ore and lime are put into the first refining furnace and are refined, obtain the first hot liquid manganese slag；
S2, the first hot liquid manganese slag is put into the first shaking ladle, and siliceous reducer is added, shaken refining 5-9min, obtain
Intermediate alloy of hot liquid；
S3, alloy, manganese ore and lime are put into the second refining furnace and are refined, obtain metal manganese ingot and the second hot liquid manganese
Slag；
S4, intermediate alloy of the hot liquid and the second hot liquid manganese slag are put into the second shaking ladle, shake refining 6-
10min obtains the secondary intermediate alloy of hot liquid；
S5, the secondary intermediate alloy of the hot liquid is recycled into the second refining furnace, hot liquid Mn-rich slag and white is added
Ash continues to refine, and obtains the metal manganese ingot and the second hot liquid manganese slag again, repeats S4-S5.
This method adds siliceous reducer to shake refining using shaking ladle using hot liquid refining slag, produces pure intermediate manganese alloy
(the secondary intermediate alloy of hot liquid), mass fraction is up to 85% or more in the alloy for manganese element, pure intermediate manganese alloy (hot liquid
Secondary secondary intermediate alloy) reheating converts and refines out alloy manganese mass fraction and reach 92% metal manganese ingot.Compared with conventional method, this Shen
Raw material and intermediate products please is all hot liquid, and low energy consumption, and production cost is low, and manganese alloy can directly enter among the application hot liquid
Stove refines, and method flow is simple, operation is easy, and qualification rate may be up to 90% or more.
In actual production metal manganese ingot, it is as follows：
Alloy, manganese ore and lime is added in 6300KVA refining furnaces, is refined to out in qualification until humble carbon ferromanganese, taps a blast furnace
Point slag, after detach in humble carbon ferromanganese and the first hot liquid manganese slag, the first shaking ladle is 15M3Shaking ladle can directly contain slag.
Wherein, when alloy is silicomangan, 12-13 tons of silicomangans, 12-13 can be added in 6300KVA refining hotplate bodies
Ton manganese ore and 6-7 tons of limes.
The first hot liquid manganese slag mass percent is as shown in table 1 at this time.
Table 1
| MnO% | SiO2% | CaO% | MgO% | Fe% | Al2O3% | |
| First hot liquid manganese slag ingredient | 13-30 | 26-32 | 29-38 | 1-3 | <1 | 2-6 |
Shaking ladle is placed in reel cage, a certain amount of processed siliceous reducer anti-oxidation (according to manganese content) is added.
Wherein, siliceous reducer ingredient percent is as shown in table 2.
Table 2
| Si% | Fe% | C% | P% | Ni+Ti+Ca+Pb+Al% | |
| Reducing agent ingredient | >92 | <2% | <0.2 | <0.02 | <0.1 |
Refining 5-9min is shaken, skims shake rear slag immediately, shake rear slag mass percent range such as table 3 at this time.
Table 3
| MnO% | SiO2% | CaO% | MgO% | Fe% | Al2O3% | |
| Shake rear slag ingredient | 3-8 | 30-42 | 26-35 | 1-2 | <0.1 | 2-4 |
It obtains quality and is more than 3.1 tons, impurity mass fraction is less than intermediate alloy of 0.5% hot liquid than iron, pours into
It is for use to keep the temperature ladle, it is discarded to shake rear slag.
Intermediate alloy mass percent range such as table 4 of hot liquid.
Table 4
| Mn% | Si% | Fe% | |
| Intermediate alloy ingredient of hot liquid | >65 | >30 | <3 |
Cooperate with 3000KVA refining furnaces that 4-5 tons of alloys, 8-10 tons of manganese ores are added, 4-5 tons of lime metal smelting manganese ingots obtain
Metal manganese ingot and the second hot liquid manganese slag.This second hot liquid manganese slag is skimmed into the second shaking ladle, volume 9M3And place reel cage
On, it shakes and the intermediate alloy of hot liquid for pouring into heat preservation ladle shakes refining 6-10min again, skimming obtains quality and is more than 4.2
The ton secondary intermediate alloy of hot liquid.
The secondary intermediate alloy mass percent range of hot liquid such as table 5.
Table 5
| Mn% | Si% | Fe% | |
| The secondary intermediate alloy ingredient of hot liquid | >85 | <10 | <3 |
The secondary secondary intermediate alloy of the hot liquid for shaking refining is poured into the refining of 3000KVA refining furnaces again, adds 6-8 tons of hot liquids rich
Manganese slag, 3-4 tons of limes obtain quality and are more than 4.5 tons of metal manganese ingots and the second hot liquid manganese slag again.
Hot liquid Mn-rich slag mass percent range such as table 6.
Table 6
| MnO% | SiO2% | CaO% | MgO% | Fe% | Al2O3% | P2O5 | |
| Hot liquid Mn-rich slag ingredient | >50 | <20 | 4-10 | 2-5 | <1.5 | 2-4 | <0.02% |
Metal manganese ingot mass percent is as shown in table 7.
Table 7
The first hot liquid that the second hot liquid manganese slag after 3000KVA refinings is refined with 6300KVA mineral hot furnaces again
Manganese slag shakes refining and obtains intermediate alloy of hot liquid, shakes refining again, recycles repeatedly, and it is discarded to shake rear slag.
By above technical scheme as it can be seen that the embodiment of the present application shows a kind of production method of metal manganese ingot, including it is following
Step：S1, alloy, manganese ore and lime are put into the first refining furnace and are refined, obtain the first hot liquid manganese slag；S2, by described
One hot liquid manganese slag is put into the first shaking ladle, and siliceous reducer is added, and shakes refining 5-9min, obtains intermediate alloy of hot liquid；
S3, alloy, manganese ore and lime are put into the second refining furnace and are refined, obtain metal manganese ingot and the second hot liquid manganese slag；S4, by institute
It states intermediate alloy of hot liquid and the second hot liquid manganese slag is put into the second shaking ladle, shake refining 6-10min, obtain hot liquid two
Secondary intermediate alloy；S5, the secondary intermediate alloy of the hot liquid is recycled into the second refining furnace, be added hot liquid Mn-rich slag and
Lime continues to refine, and obtains the metal manganese ingot and the second hot liquid manganese slag again, repeats S4-S5.The application profit
Add siliceous reducer to shake refining using shaking ladle with hot liquid refining slag, produces pure intermediate manganese alloy (among secondary time of hot liquid
Alloy), mass fraction is up to 85% or more in the alloy for manganese element, and pure intermediate manganese alloy (the secondary intermediate alloy of hot liquid) is again
Heat, which is converted, to be refined out alloy manganese mass fraction and reaches 92% metal manganese ingot.Compared with conventional method, the raw material of the application and intermediate production
Product are all hot liquid, and low energy consumption, and production cost is low, and manganese alloy can directly enter stove refining, method flow among the application hot liquid
Simply, operation is easy, and qualification rate may be up to 90% or more.
Those skilled in the art will readily occur to its of the application after considering specification and putting into practice application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and includes the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by above
Claim is pointed out.
It should be understood that the application is not limited to the precision architecture for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (10)
1. a kind of production method of metal manganese ingot, which is characterized in that include the following steps：
S1, alloy, manganese ore and lime are put into the first refining furnace and are refined, obtain the first hot liquid manganese slag；
S2, the first hot liquid manganese slag is put into the first shaking ladle, and siliceous reducer is added, shaken refining 5-9min, obtain hydrothermal solution
Intermediate alloy of state；
S3, alloy, manganese ore and lime are put into the second refining furnace and are refined, obtain metal manganese ingot and the second hot liquid manganese slag；
S4, intermediate alloy of the hot liquid and the second hot liquid manganese slag are put into the second shaking ladle, shake refining 6-10min,
Obtain the secondary intermediate alloy of hot liquid；
S5, the secondary intermediate alloy of the hot liquid is recycled into the second refining furnace, be added hot liquid Mn-rich slag and lime after
Continuous refining, obtains the metal manganese ingot and the second hot liquid manganese slag, repeats S4-S5 again.
2. according to the method described in claim 1, it is characterized in that, the power and volume of first refining are 2-3 times described
The power and volume of second refining furnace, the volume of first shaking ladle are the volume of 1-2 times of second shaking ladle.
3. according to the method described in claim 1, it is characterized in that, the alloy is silicomangan.
4. according to the method described in claim 1, it is characterized in that, Si contents contain more than 92%, Fe in the siliceous reducer
Amount be less than 2%, C content be less than 0.2%, P content be less than 0.02%, and, the total content of Ni, Ti, Ca, Pb and Al are less than
0.1%.
5. according to the method described in claim 1, it is characterized in that, in the S1, the manganese ore, the alloy and the lime
Mass ratio be (12-13)：(12-13)：(6-7).
6. according to the method described in claim 1, it is characterized in that, in the S3, the alloy, the manganese ore and the lime
Mass ratio be (4-5)：(8-10)：(4-5).
7. according to the method described in claim 1, it is characterized in that, the first hot liquid manganese cinder ladle includes following mass percent
Component：13-30%MnO, 26-32%SiO2, 29-38%CaO, 1-3%MgO, 0-1%Fe, 2-6%Al2O3, surplus is impurity.
8. according to the method described in claim 1, it is characterized in that, in intermediate alloy of the hot liquid, Mn contents are higher than
65%, Si content be higher than 30%, and, Fe contents be less than 3%.
9. according to the method described in claim 1, it is characterized in that, in the S5, in the hot liquid Mn-rich slag, MnO contents
Higher than 50%, SiO2Content is less than 20%, and CaO content 4-10%, content of MgO 2-5%, Fe content is less than 1.5%, Al2O3Content
2-4%, P2O5Content is less than 0.02%.
10. according to the method described in claim 1, it is characterized in that, Mn contents are higher than in the secondary intermediate alloy of the hot liquid
85%, Si content be less than 10%, and, Fe contents be less than 3%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117248128A (en) * | 2023-10-13 | 2023-12-19 | 百色智成新材料科技有限公司 | Treatment method of ferromanganese wet waste residues |
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Application publication date: 20180928 |