CN102367524B - Smelting method of manganese alloy - Google Patents
Smelting method of manganese alloy Download PDFInfo
- Publication number
- CN102367524B CN102367524B CN 201110298267 CN201110298267A CN102367524B CN 102367524 B CN102367524 B CN 102367524B CN 201110298267 CN201110298267 CN 201110298267 CN 201110298267 A CN201110298267 A CN 201110298267A CN 102367524 B CN102367524 B CN 102367524B
- Authority
- CN
- China
- Prior art keywords
- manganese
- granularity
- ore
- coke
- smelting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a smelting method of a manganese alloy. The smelting method comprises the following steps of: A) mixing manganese ores and auxiliary materials evenly according to a preset ratio to obtain a mixed feeding material, wherein the manganese ores contain manganese oxide ores and manganese carbonate ores of which the weight content is no more than 20%; B) adding the mixed feeding material obtained in the step A) in an electric furnace to smelt and obtain fused slurry containing the manganese alloy; and C) separating the fused slurry obtained in the step B) to obtain the manganese alloy, and pouring to obtain the manganese alloy finished product. According to the smelting method of the manganese alloy in the embodiment of the invention, the smelting cost of the manganese alloy can be greatly reduced and the pollution to the environment can be greatly lowered.
Description
Technical field
The present invention relates to field of metallurgy, in particular to a kind of smelting process of manganese alloy.
Background technology
When utilizing the Smelting Plant manganese alloy, entering to need before stove is smelted the manganese carbonate ore in the manganese ore is carried out roasting to remove carbonic acid gas, just can enter stove through the manganese carbonate ore after the roasting and use.Manganese carbonate ore generates manganese oxide and carbonic acid gas in roasting process.Wherein, the maturing temperature of manganese carbonate ore generally will reach 1423K, because maturing temperature is too high, not only to consume a large amount of fuel (improved cost, increased the pollution to environment), and the more important thing is the continuous oxidized generation manganic oxide of the manganese oxide that obtains after the roasting, trimanganese tetroxide and Manganse Dioxide, thereby reduce widely the manganese grade.The chemical equation of manganese carbonate ore in roasting process is as follows.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.
For this reason, one object of the present invention is to propose a kind of smelting process of the manganese alloy that can reduce production costs widely.
To achieve these goals, a kind of smelting process of manganese alloy is proposed according to embodiments of the invention, described smelting process may further comprise the steps: A) manganese ore and auxiliary material are mixed to obtain parallel feeding by predetermined proportion, wherein said manganese ore comprises manganese oxide ore and weight content is not more than 20% manganese carbonate ore; B) with described steps A) parallel feeding that obtains adds the molten slurry of smelting and obtain containing manganese alloy in the electric furnace; With C) from described step B) separate described manganese alloy the molten slurry that obtains, and pour into a mould, in order to obtain the manganese alloy finished product.
The contriver finds through bold exploration and test repeatedly, as long as the weight content directly into manganese carbonate ore in the manganese ore of stove is not more than 20% (weight percent that is manganese carbonate ore and manganese ore is not more than 20%), manganese carbonate ore decomposes the carbonic acid gas that produces just can not produce adverse influence to the smelting of manganese alloy.Because manganese carbonate ore can smelt directly into stove, therefore not only can save the required equipment of roasting manganese carbonate ore, and can reduce widely the usage quantity of fuel and then reduce widely pollution to environment.Smelting process according to the manganese alloy of the embodiment of the invention can reduce the cost that manganese alloy is smelted widely.Wherein, the production cost of high carbon ferromanganese has descended about 62 yuan/tons, calculates to produce 300,000 tons of high carbon ferromanganeses every year, can save about 1,860 ten thousand yuan every year.The production cost of manganese silicon has descended about 55 yuan/tons, calculates to produce 300,000 tons of manganese silicon every year, can save about 1,650 ten thousand yuan every year.Therefore, the smelting process of described manganese alloy can produce huge economic benefit.
In addition, the smelting process according to the embodiment of the invention can have following additional technical characterictic:
According to one embodiment of present invention, described auxiliary material comprises coke, and the weight ratio of wherein said manganese ore and described coke is 1: 0.16-0.22.
According to one embodiment of present invention, the weight ratio of described manganese ore and described coke is 1: 0.18-0.20.
According to one embodiment of present invention, the granularity of described manganese ore is 5cm-15cm, and the granularity of described coke is 3cm-5cm.
According to one embodiment of present invention, the granularity of described manganese ore is 10cm, and the granularity of described coke is 4cm.
According to one embodiment of present invention, described auxiliary material comprises silica, coke and rhombspar, and the weight ratio of wherein said manganese ore, described silica, described coke and described rhombspar is 1: (0.10-0.20): (0.20-0.26): (0.05-0.10).
According to one embodiment of present invention, the weight ratio of described manganese ore, described silica, described coke and described rhombspar is 1: (0.14-0.16): (0.22-0.24): (0.06-0.08).
According to one embodiment of present invention, the granularity of described manganese ore is 5cm-15cm, and the granularity of described silica is that the granularity of 3cm-5cm, described coke is that the granularity of 3cm-5cm, described rhombspar is 5cm-10cm.
According to one embodiment of present invention, the granularity of described manganese ore is 10cm, and the granularity of described silica is that the granularity of 4cm, described coke is that the granularity of 4cm, described rhombspar is 8cm.
According to one embodiment of present invention, described electric furnace is the three-phase resistance stove, and the primary current of wherein said electric furnace is 220-300A, and the secondary voltage of described electric furnace is 140-160V.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schema according to the smelting process of the manganese alloy of the embodiment of the invention.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " vertically ", " laterally ", " on ", orientation or the position relationship of the indications such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, unless otherwise prescribed and limit, need to prove that term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
In the smelting process of existing manganese alloy, all be first manganese carbonate ore to be carried out roasting, think and can remove carbonic acid gas in the manganese carbonate ore by roasting.And directly manganese carbonate ore is joined in the manganese alloy smelting furnace (for example electric furnace), the carbon dioxide gas that manganese carbonate ore decompose to produce is known from experience and is caused that the smelting furnace internal gas pressure is too high, the thorn fire, turns over slag, working of a furnace variation, equipment burn out rate rising in the smelting furnace, the decline of smelting furnace operating rate, the rising of slag manganese etc.
But the contriver finds through bold exploration and test repeatedly, as long as the consumption of manganese carbonate ore is controlled within the specific limits, manganese carbonate ore directly can be joined in the smelting furnace without roasting fully, and the carbonic acid gas that the manganese carbonate ore decomposition produces can not produce adverse influence to the smelting of manganese alloy.Therefore, overcome in the prior art manganese carbonate ore according to the smelting process of the manganese alloy of the embodiment of the invention and can not smelt this technology prejudice directly into stove.
Below with reference to the smelting process of Fig. 1 description according to the manganese alloy of the embodiment of the invention.As shown in Figure 1, the smelting process of described manganese alloy may further comprise the steps:
A) manganese ore and auxiliary material are mixed to obtain parallel feeding by predetermined proportion, wherein said manganese ore comprises manganese oxide ore and weight content is not more than 20% manganese carbonate ore;
B) with described steps A) parallel feeding that obtains adds the molten slurry of smelting and obtain containing manganese alloy in the electric furnace; With
C) from described step B) separate described manganese alloy the molten slurry that obtains, and pour into a mould, in order to obtain the manganese alloy finished product.
The contriver finds through bold exploration and test repeatedly, as long as the weight content directly into manganese carbonate ore in the manganese ore of stove is not more than 20% (weight percent that is manganese carbonate ore and manganese ore is not more than 20%), manganese carbonate ore decomposes the carbonic acid gas that produces just can not produce adverse influence to the smelting of manganese alloy.Because manganese carbonate ore can smelt directly into stove, therefore not only can save the required equipment of roasting manganese carbonate ore, and can reduce widely the usage quantity of fuel and then reduce widely pollution to environment.Smelting process according to the manganese alloy of the embodiment of the invention can reduce the cost that manganese alloy is smelted widely.Wherein, the production cost of high carbon ferromanganese has descended about 62 yuan/tons, to produce 300,000 tons of high carbon ferromanganeses every year, can save about 1,860 ten thousand yuan every year.The production cost of manganese silicon has descended about 55 yuan/tons, to produce 300,000 tons of manganese silicon every year, can save about 1,650 ten thousand yuan every year.Therefore, the smelting process of described manganese alloy can produce huge economic benefit.
When smelting high carbon ferromanganese, described auxiliary material can comprise coke.Advantageously, the weight ratio of described manganese ore and described coke can be 1: 0.16-0.22.When the weight ratio of described coke and described manganese ore during less than 0.16: 1, can cause manganese oxide in the described manganese ore can not be reduced to fully the carbide of manganese.When the weight ratio of described coke and described manganese ore during greater than 0.22: 1, described coke and carbonic acid gas (mainly decomposed by described manganese carbonate ore and produce) reaction produces a large amount of carbon monoxide, thereby cause that the smelting furnace internal gas pressure is too high, thorn fire, turn over slag, working of a furnace variation, equipment burn out rate rising in the smelting furnace, the decline of smelting furnace operating rate, the rising of slag manganese etc.Further advantageously, the weight ratio of described manganese ore and described coke can be 1: 0.18-0.20.Further advantageously, the weight ratio of described manganese ore and described coke can be 1: 0.19.
The granularity of described manganese ore and the granularity of described coke also exert an influence to the smelting of high carbon ferromanganese.Advantageously, the granularity of described manganese ore can be 5cm-15cm, and the granularity of described coke can be 3cm-5cm.When the granularity of described manganese ore greater than the granularity of 15cm, described coke during greater than 5cm, not only bad for sorting of described manganese ore, and be unfavorable for heat transfer, reduced the efficient of smelting.When the granularity of described manganese ore less than the granularity of 5cm, described coke during less than 3cm, can cause between manganese ore particle and the manganese ore particle, the slit between coke granule and the coke granule, between manganese ore particle and the coke granule is too small, is unfavorable for that therefore gas, particularly described manganese carbonate ore in the smelting furnace decomposes the carbonic acid gas that produces and discharge in time smelting furnace.
Further advantageously, the granularity of described manganese ore can be 10cm, the granularity of described coke can be 4cm, the carbonic acid gas that described manganese carbonate ore decomposition produces under this granularity can be discharged smelting furnace in time, and described like this manganese carbonate ore decomposes the carbonic acid gas that produces can not produce to the smelting of high carbon ferromanganese any adverse influence.
When smelting silicomanganese, described auxiliary material can comprise silica, coke and rhombspar.Advantageously, the weight ratio of described manganese ore, described silica, described coke and described rhombspar can be 1: (0.10-0.20): (0.20-0.26): (0.05-0.10).Further advantageously, the weight ratio of described manganese ore, described silica, described coke and described rhombspar is 1: (0.14-0.16): (0.22-0.24): (0.06-0.08).Further advantageously, the weight ratio of described manganese ore, described silica, described coke and described rhombspar is 1: 0.15: 0.23: 0.07.
The granularity of described manganese ore, described silica, described coke and described rhombspar also exerts an influence to the smelting of silicomanganese.Advantageously, the granularity of described manganese ore can be 5cm-15cm, and the granularity of described silica can be that the granularity of 3cm-5cm, described coke can be that the granularity of 3cm-5cm, described rhombspar can be 5cm-10cm.When the granularity of described manganese ore greater than the granularity of 15cm, described silica greater than the granularity of 5cm, described coke greater than the granularity of 5cm, described rhombspar during greater than 10cm, not only bad for sorting of described manganese ore, and be unfavorable for heat transfer, reduced the efficient of smelting.When the granularity of described manganese ore less than the granularity of 5cm, described silica less than the granularity of 3cm, described coke less than the granularity of 3cm, described rhombspar during less than 5cm, can cause the slit between the particle too small, be unfavorable for that therefore the interior gas of smelting furnace, particularly described manganese carbonate ore decompose the carbonic acid gas that produces and discharge in time smelting furnace.
Further advantageously, the granularity of described manganese ore can be 10cm, the granularity of described silica can be 4cm, the granularity of described coke is 4cm, the granularity of described rhombspar can be 8m, the carbonic acid gas that described manganese carbonate ore decomposition produces under this granularity can be discharged smelting furnace in time, and described like this manganese carbonate ore decomposes the carbonic acid gas that produces can not produce to the smelting of silicomanganese any adverse influence.
Can utilize electrosmelting manganese alloy (for example high carbon ferromanganese and silicomanganese).Wherein, described electric furnace can be the three-phase resistance stove.When the smelting manganese alloy, the primary current of described electric furnace can be 220A-300A, and the secondary voltage of described electric furnace can be 140V-160V, can make like this temperature in the electric furnace satisfy better the smelting needs.Advantageously, when the smelting manganese alloy, the primary current of described electric furnace can be 230A, and the secondary voltage of described electric furnace can be 150V.
Embodiment 1
Be the manganese ore of 5cm and coke that granularity is 3cm with granularity mixes to obtain parallel feeding for smelting high carbon ferromanganese according to weight ratio at 1: 0.16.Wherein, the weight content of the manganese carbonate ore in the described manganese ore is 10%.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 220A, secondary voltage are 140V.Opened described three-phase resistance stove every four hours and the molten slurry that contains high carbon ferromanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains high carbon ferromanganese in the hot metal ladle is carried out slag iron and separate (namely from described molten slurry, separating high carbon ferromanganese) and cast, and obtain up-to-standard high carbon ferromanganese finished product.In this embodiment, the taste of described manganese ore is 31.50%, the rate of recovery is 77.30%, and the production cost of high carbon ferromanganese is 5498.54 yuan/tons.
Embodiment 2
Be the manganese ore of 15cm and coke that granularity is 5cm with granularity mixes to obtain parallel feeding for smelting high carbon ferromanganese according to weight ratio at 1: 0.22.Wherein, the weight content of the manganese carbonate ore in the described manganese ore is 15%.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 300A, secondary voltage are 160V.Opened described three-phase resistance stove every four hours and the molten slurry that contains high carbon ferromanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains high carbon ferromanganese in the hot metal ladle is carried out the separation of slag iron and cast, and obtain up-to-standard high carbon ferromanganese finished product.In this embodiment, the taste of described manganese ore is 31.40%, the rate of recovery is 77.28%, and the production cost of high carbon ferromanganese is 5470.54 yuan/tons.
Embodiment 3
Be the manganese ore of 10cm and coke that granularity is 4cm with granularity mixes to obtain parallel feeding for smelting high carbon ferromanganese according to weight ratio at 1: 0.19.Wherein, the weight content of the manganese carbonate ore in the described manganese ore is 20%.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 260A, secondary voltage are 150V.Opened described three-phase resistance stove every four hours and the molten slurry that contains high carbon ferromanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains high carbon ferromanganese in the hot metal ladle is carried out the separation of slag iron and cast, and obtain up-to-standard high carbon ferromanganese finished product.In this embodiment, the taste of described manganese ore is 31.31%, the rate of recovery is 77.31%, and the production cost of high carbon ferromanganese is 5445.5 yuan/tons.
Comparative Examples 1
At first be that manganese carbonate ore in the manganese ore of 10cm carries out roasting with granularity, the weight content of the manganese carbonate ore in the wherein said manganese ore is 20%.Then the coke that with described manganese ore and granularity is 4cm mixes to obtain parallel feeding for smelting high carbon ferromanganese according to weight ratio at 1: 0.19.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 260A, secondary voltage are 150V.Opened described three-phase resistance stove every four hours and the molten slurry that contains high carbon ferromanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains high carbon ferromanganese in the hot metal ladle is carried out the separation of slag iron and cast, and obtain up-to-standard high carbon ferromanganese finished product.In this embodiment, the taste of described manganese ore is 31.33%, the rate of recovery is 77.20%, and the production cost of high carbon ferromanganese is 5507.5 yuan/tons.
Embodiment 4
The rhombspar that granularity is the manganese ore of 5cm, silica that granularity is 3cm, granularity is 3cm coke and granularity are 5cm was according to weight ratio 1: 0.10: 0.20: 0.05 mixes to obtain the parallel feeding for smelting silicomanganese.Wherein, the weight content of the manganese carbonate ore in the described manganese ore is 10%.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 220A, secondary voltage are 140V.Opened described three-phase resistance stove every four hours and the molten slurry that contains silicomanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains silicomanganese in the hot metal ladle is carried out slag iron and separate (namely from described molten slurry, separating silicomanganese) and cast, and obtain up-to-standard silicomanganese finished product.In this embodiment, the taste of described manganese ore is 32.01%, the rate of recovery is 81.20%, and the production cost of silicomanganese is 7065.54 yuan/tons.
Embodiment 5
The rhombspar that granularity is the manganese ore of 15cm, silica that granularity is 5cm, granularity is 5cm coke and granularity are 10cm was according to weight ratio 1: 0.20: 0.26: 0.10 mixes to obtain the parallel feeding for smelting silicomanganese.Wherein, the weight content of the manganese carbonate ore in the described manganese ore is 15%.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 300A, secondary voltage are 160V.Opened described three-phase resistance stove every four hours and the molten slurry that contains silicomanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains silicomanganese in the hot metal ladle is carried out the separation of slag iron and cast, and obtain up-to-standard silicomanganese finished product.In this embodiment, the taste of described manganese ore is 31.96%, the rate of recovery is 81.22%, and the production cost of silicomanganese is 7035.65 yuan/tons.
Embodiment 6
The rhombspar that granularity is the manganese ore of 10cm, silica that granularity is 4cm, granularity is 4cm coke and granularity are 8cm was according to weight ratio 1: 0.15: 0.23: 0.07 mixes to obtain the parallel feeding for smelting silicomanganese.Wherein, the weight content of the manganese carbonate ore in the described manganese ore is 20%.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 260A, secondary voltage are 150V.Opened described three-phase resistance stove every four hours and the molten slurry that contains silicomanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains silicomanganese in the hot metal ladle is carried out the separation of slag iron and cast, and obtain up-to-standard silicomanganese finished product.In this embodiment, the taste of described manganese ore is 31.87%, the rate of recovery is 81.18%, and the production cost of silicomanganese is 7010.51 yuan/tons.
Comparative Examples 2
At first be that manganese carbonate ore in the manganese ore of 10cm carries out roasting with granularity, the weight content of the manganese carbonate ore in the wherein said manganese ore is 20%.Then be the silica of 4cm, coke that granularity is 4cm and the granularity rhombspar that is 8cm with described manganese ore, granularity according to weight ratio 1: 0.15: 0.23: 0.07 mixes to obtain the parallel feeding for smelting silicomanganese.Above-mentioned parallel feeding joined in the three-phase resistance stove smelt, the primary current of described three-phase resistance stove is that 260A, secondary voltage are 150V.Opened described three-phase resistance stove every four hours and the molten slurry that contains silicomanganese in the described three-phase resistance stove is poured in the hot metal ladle.Subsequently the molten slurry that contains silicomanganese in the hot metal ladle is carried out the separation of slag iron and cast, and obtain up-to-standard silicomanganese finished product.In this embodiment, the taste of described manganese ore is 31.89%, the rate of recovery is 81.02%, and the production cost of silicomanganese is 7075.54 yuan/tons.
Can be found out by embodiment 1-6 and Comparative Examples 1-2, can reduce widely the cost that manganese alloy is smelted according to the smelting process of the manganese alloy of the embodiment of the invention.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. the smelting process of a manganese alloy, described smelting process may further comprise the steps:
A) manganese ore and auxiliary material are mixed to obtain parallel feeding by predetermined proportion, wherein said manganese ore comprises manganese oxide ore and weight content greater than 0 and is not more than 20% manganese carbonate ore, wherein said auxiliary material comprises that the weight ratio of coke and described manganese ore and described coke is 1:0.16-0.22, and perhaps described auxiliary material comprises that the weight ratio of silica, coke and rhombspar and described manganese ore, described silica, described coke and described rhombspar is 1:(0.10-0.20): (0.20-0.26): (0.05-0.10);
B) with described steps A) parallel feeding that obtains adds the molten slurry of smelting and obtain containing manganese alloy in the electric furnace; With
C) from described step B) separate described manganese alloy the molten slurry that obtains, and pour into a mould, in order to obtain the manganese alloy finished product.
2. smelting process according to claim 1 is characterized in that, the weight ratio of described manganese ore and described coke is 1:0.18-0.20.
3. smelting process according to claim 1 is characterized in that, the granularity of described manganese ore is 5cm-15cm, and the granularity of described coke is 3cm-5cm.
4. smelting process according to claim 3 is characterized in that, the granularity of described manganese ore is 10cm, and the granularity of described coke is 4cm.
5. smelting process according to claim 1 is characterized in that, the weight ratio of described manganese ore, described silica, described coke and described rhombspar is 1:(0.14-0.16): (0.22-0.24): (0.06-0.08).
6. smelting process according to claim 1 is characterized in that, the granularity of described manganese ore is 5cm-15cm, and the granularity of described silica is that the granularity of 3cm-5cm, described coke is that the granularity of 3cm-5cm, described rhombspar is 5cm-10cm.
7. smelting process according to claim 6 is characterized in that, the granularity of described manganese ore is 10cm, and the granularity of described silica is that the granularity of 4cm, described coke is that the granularity of 4cm, described rhombspar is 8cm.
8. each described smelting process is characterized in that according to claim 1-7, and described electric furnace is the three-phase resistance stove, and the primary current of wherein said electric furnace is 220-300A, and the secondary voltage of described electric furnace is 140-160V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298267 CN102367524B (en) | 2011-09-29 | 2011-09-29 | Smelting method of manganese alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298267 CN102367524B (en) | 2011-09-29 | 2011-09-29 | Smelting method of manganese alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102367524A CN102367524A (en) | 2012-03-07 |
| CN102367524B true CN102367524B (en) | 2013-04-10 |
Family
ID=45760114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110298267 Active CN102367524B (en) | 2011-09-29 | 2011-09-29 | Smelting method of manganese alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102367524B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219561B (en) * | 2013-03-28 | 2015-08-19 | 四川天齐锂业股份有限公司 | Lithium manganate cell positive electrode material recovery method |
| CN107541609A (en) * | 2016-06-23 | 2018-01-05 | 陕西友力实业有限公司 | A kind of manganese alloy smelting process |
| CN106119640A (en) * | 2016-08-25 | 2016-11-16 | 广西蒙山县水电铁合金厂 | A kind of smelting process of energy-conservation manganese-silicon |
| CN106222505A (en) * | 2016-08-25 | 2016-12-14 | 广西蒙山县水电铁合金厂 | A kind of smelting process improving manganese-silicon conversion ratio |
| CN106119642A (en) * | 2016-08-25 | 2016-11-16 | 广西蒙山县水电铁合金厂 | A kind of smelting process of the manganese-silicon of energy-saving high yield |
| CN106191584A (en) * | 2016-08-25 | 2016-12-07 | 广西蒙山县水电铁合金厂 | A kind of smelting process of the manganese-silicon of energy-conservation high conversion |
| CN106086558A (en) * | 2016-08-25 | 2016-11-09 | 广西蒙山县水电铁合金厂 | A kind of smelting process of the conversion ratio improving manganese-silicon |
| CN106119641A (en) * | 2016-08-25 | 2016-11-16 | 广西蒙山县水电铁合金厂 | A kind of smelting process of the manganese-silicon reducing energy consumption |
| CN106756350B (en) * | 2017-01-18 | 2018-11-02 | 中信锦州金属股份有限公司 | Half manganese carbonate ore smelts the production technology of medium-low carbon ferromanganese |
| CN113981210A (en) * | 2021-10-29 | 2022-01-28 | 吉铁铁合金有限责任公司 | Production process for producing manganese series ferroalloy by roasting manganese ore |
-
2011
- 2011-09-29 CN CN 201110298267 patent/CN102367524B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 周进华等.铁合金生产技术.《铁合金生产技术》.科学出版社,1991,第248-262页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102367524A (en) | 2012-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102367524B (en) | Smelting method of manganese alloy | |
| US10767239B2 (en) | Production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces | |
| CN101386062B (en) | Production technique of lead treated steel | |
| CN103045929B (en) | Electro-aluminothermic process produces the method for vanadium iron | |
| EP3269832B2 (en) | Method of recycling and processing waste battery | |
| KR101053220B1 (en) | Manufacturing method of iron-based amorphous material | |
| EP2957645B1 (en) | Method for producing crude copper | |
| CN103334014B (en) | The method of Copper making molten slag dilution | |
| CN103614607B (en) | A kind of method of hot copper ashes melting and reducing stainless steel raw material under nickel-containing material effect | |
| CN103045788A (en) | Reduction steel-making method and reduction steel-marking device | |
| CN107904486A (en) | A kind of manufacturing process of fracturing pump forging | |
| CN100535155C (en) | Method for producing high-strength gray cast iron | |
| CN105803217B (en) | A kind of method that sulfur bearing steel electroslag remelting sulphur is received high and is evenly distributed | |
| CN103160863B (en) | A kind of method of niobium concentrate molten oxide electrolytic preparation ferrocolumbium | |
| CN101323898A (en) | Oxygen one-step impurity removing refining method for raw ferro nickel | |
| CN101323897B (en) | Air one-step impurity removing and refining method for raw ferro nickel | |
| CN101177757B (en) | Method for preparing alloying material for smelting vanadium-manganese-containing alloy steel and method for smelting vanadium-manganese-containing alloy steel | |
| CN104046923B (en) | The X80 pipe line steel smelted under half steel condition and production technique thereof | |
| CN103031409B (en) | Novel process of steelmaking deoxidization by utilizing precipitator dust of refining furnace | |
| CN102010930A (en) | Method for smelting mirror plastic mould steel | |
| CN104561765A (en) | Iron alloy additive containing low titanium and phosphorus and use method of iron alloy additive | |
| CN102367516A (en) | Method for preparing high-carbon ferromanganese | |
| Kutsin et al. | The development and introduction of resource saving technology of non-standard manganese ferroalloy fines recycling | |
| CN111334703B (en) | Production method of low-titanium-phosphorus iron alloy | |
| CN103397135B (en) | Recarburization technology for converter short-flow steelmaking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230815 Address after: 663100 sanxingba Industrial Park, Jiangna Town, Yanshan County, Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan Province Patentee after: Yunnan Mulong Manganese Industry Co.,Ltd. Address before: No. 132 Fenghu Road, Pingyuan Town, Yanshan County, Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan Province, 663101 Patentee before: YUNNAN WENSHAN DOUNAN MANGANESE INDUSTRY CO.,LTD. |