CN206828589U - A kind of processing system of ferrous manganese ore - Google Patents
A kind of processing system of ferrous manganese ore Download PDFInfo
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- CN206828589U CN206828589U CN201720599354.1U CN201720599354U CN206828589U CN 206828589 U CN206828589 U CN 206828589U CN 201720599354 U CN201720599354 U CN 201720599354U CN 206828589 U CN206828589 U CN 206828589U
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Abstract
The utility model provides a kind of processing system of ferrous manganese ore.The system includes：Reduction apparatus, exported provided with feed(raw material)inlet and metallized pellet；Screening device is ground, provided with metallized pellet entrance, metal iron powder outlet and the outlet of manganese slag, metallized pellet entrance is connected with the metallized pellet outlet of reduction apparatus；First mixing device, exported provided with manganese slag entrance, reduction coal entrance, additive entrance and the first compound, manganese slag outlet of the manganese slag entrance with grinding screening device is connected；First shaped device, exported provided with the first compound entrance and the first pelletizing, the first compound entrance is connected with the first compound outlet of the first mixing arrangement；Molten separating device, is exported provided with the first pelletizing entrance and manganeisen, and the first pelletizing entrance is connected with the first pelletizing outlet of the first shaped device.The utility model can obtain metal iron powder and ferromanganese with the manganese and iron in synthetical recovery Ferromanganese Ore.
Description
Technical field
The utility model belongs to the energy and field of metallurgy, in particular it relates to a kind of processing system of ferrous manganese ore.
Background technology
Manganese product is widely used in the fields such as steel, electronics, light industry, chemical industry, agricultural.Except a small amount of rich manganese ore can be used directly
Outside in steel-making and as battery manganese powder, the overwhelming majority needs to apply after processing.Therefore, it is always the country that manganese ore, which carries manganese,
The emphasis of outer research.
The manganese ore in China is more based on lean ore, mainly exists with manganese carbonate and manganese oxide form, and the oxygen of manganese oxide mineral
Change manganese and iron oxide symbiosis, mainly for the production of Mn-rich slag and the pig iron.At present, the production of Mn series alloy mainly has three kinds of modes.
The first is blast furnace process steelmaking furnace ferromanganese, the technical maturity, and metal manganese content is more than 65% in the blast furnace ferromanganese of output, it is single will
Ask that the raw material manganese content into stove is higher, and iron content is relatively low, therefore raising manganese content need to be sintered to manganese ore, therefore
Energy consumption is higher.Second is blast furnace+mineral hot furnace method Smelting Simn In A, that is, first passes through blast furnace process and obtain the pig iron and Mn-rich slag,
Then silicomangan is produced by Mn-rich slag with mineral hot furnace, this process resource strong adaptability, but long flow path.The third is intermediate frequency sense
Stove ferromanganese smelting alloy is answered, the technique produces different grades of manganeisen by the way of manganese metal is with addition of steel scrap, and it is produced
Mode is simple, ripe, but the manganese metal manufacturing process in raw material is complicated, cost is high, environmental pollution is serious.Therefore, it is badly in need of exploitation
Middle-low grade manganese ore is that raw material directly produces the low energy consumption of high-grade manganeisen, pollution-free, inexpensive technique.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of processing system of ferrous manganese ore, and it includes：
Reduction apparatus, exported provided with feed(raw material)inlet and metallized pellet；
Screening device is ground, provided with metallized pellet entrance, metal iron powder outlet and the outlet of manganese slag, the metallized pellet entrance
It is connected with the metallized pellet outlet of the reduction apparatus；
First mixing device, exported provided with manganese slag entrance, reduction coal entrance, additive entrance and the first compound, it is described
Manganese slag entrance is connected with the manganese slag outlet of the mill screening device；
First shaped device, exported provided with the first compound entrance and the first pelletizing, the first compound entrance and institute
The the first compound outlet for stating the first mixing arrangement is connected；
Molten separating device, exported provided with the first pelletizing entrance and manganeisen, the first pelletizing entrance with it is described the first one-tenth
The first pelletizing outlet of type device is connected.
In some embodiments of the utility model, above-mentioned processing system also includes：
Second mixing device, exported provided with ferrous manganese ore entrance, reducing agent entrance and the second compound；
Second shaped device, exported provided with the second compound entrance and carbonaceous pelletizing, the second compound entrance and institute
The the second compound outlet for stating the second mixing arrangement is connected, the carbonaceous pelletizing outlet and the feed(raw material)inlet phase of the reduction apparatus
Even.
In some embodiments of the utility model, above-mentioned processing system also includes：
Drying unit, provided with wet bulb group's entrance and pelletizing outlet is dried, wet bulb group's entrance fills with the described first shaping
The the first pelletizing outlet put is connected, and the dry pelletizing outlet is connected with the first pelletizing entrance of the molten separating device.
The utility model can be with the manganese and iron in synthetical recovery Ferromanganese Ore, and obtained final products are metal iron powder and manganese
Iron.
The utility model technique is short, and cost is low, and manganese content is high in obtained manganeisen, and the rate of recovery of manganese is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the processing system of ferrous manganese ore in the utility model embodiment.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
In Ferromanganese Ore based on iron, because iron content is higher, manganese content is not high when preparing ferromanganese, and the utility model is first preliminary
A part of iron is reclaimed in reduction, then Mn-rich slag is carried out into molten point, obtains the manganeisen of high Mn content.
As shown in figure 1, the processing system of ferrous manganese ore provided by the utility model includes：Second mixing device 1, second is molded
Device 2, reduction apparatus 3, mill screening device 4, the first mixing device 5, the first shaped device 6, drying unit 7 and molten separating device 8.
Second mixing device 1 is used to mix ferrous manganese ore and reducing agent, mixed provided with ferrous manganese ore entrance, reducing agent entrance and second
Close material outlet.
Second shaped device 2 is used to the second compound being molded, and is exported provided with the second compound entrance and carbonaceous pelletizing, the
Two compound entrances are connected with the second compound outlet of the second mixing arrangement 1.
Second mixing device 1 and the second shaped device 2 are not necessary device of the present utility model, used in the utility model
Reducing agent can be that solid reductant can also be gaseous reducing agent, when using solid reductant when, the system can add
Second mixing device 1 and the second shaped device 2, i.e., first ferrous manganese ore and solid reductant are well mixed and are prepared into pelletizing, then entered
Row reduction.
Reduction apparatus 3 is used to reduce ferrous manganese ore, is exported provided with feed(raw material)inlet and metallized pellet, feed(raw material)inlet with the second one-tenth
The carbonaceous pelletizing outlet of type device 2 is connected.
Mill screening device 4 is used for mill ore magnetic selection, provided with metallized pellet entrance, metal iron powder outlet and the outlet of manganese slag, metal
Pellet entrance is connected with the metallized pellet outlet of reduction apparatus 3.
First mixing device 5 is used to mix manganese slag, reduction coal and additive, provided with manganese slag entrance, reduction coal entrance, addition
Agent entrance and the outlet of the first compound, manganese slag outlet of the manganese slag entrance with grinding screening device 4 are connected.
First shaped device 6 is used to the first compound being molded, and is exported provided with the first compound entrance and the first pelletizing, the
One compound entrance is connected with the first compound outlet of the first mixing arrangement 5.
Drying unit 7 is used to dry the first pelletizing, provided with wet bulb group's entrance and dries pelletizing and exports, wet bulb group's entrance and the
The first pelletizing outlet of one shaped device 6 is connected.
Drying unit 7 is nor the indispensable device of the system, if the water content of the first pelletizing influences subsequently molten office reason,
First pelletizing, which needs just to be admitted to molten separating device 8 after drying unit 7 is dried, carries out molten office reason.
Molten separating device 8 is used to carry out molten office reason to drying pelletizing, is exported provided with the first pelletizing entrance and manganeisen, institute
The first pelletizing entrance is stated with the drying pelletizing outlet of the drying unit 7 to be connected.
Ferrous manganese ore and reducing agent are sent into reduction apparatus 3 and carry out reduction roasting, obtains metallized pellet；
Metallized pellet is sent into mill screening device 4 and carries out mill ore magnetic selection, obtains metal iron powder and manganese slag；
Manganese slag and reduction coal, additive are sent into the first mixing device 5, the first compound is obtained after well mixed；
First compound is sent into the first shaped device 6 to be molded, obtains the first pelletizing；
First pelletizing is sent into molten separating device 8 and carries out molten office reason, obtains manganeisen.
The utility model is first reduced the iron in Ferromanganese Ore, and manganese is reduced into manganous oxide, is reclaimed by mill ore magnetic selection
Part iron obtains Iron concentrate, then selects tailings to carry out molten point with addition of carbonaceous reducing agent on mill, and it is 65%~85% to obtain manganese content
Manganeisen.
Additive used in the utility model is the compound of calcium or magnesium, and the compound of calcic is mainly used in replacing silicon, contained
Magnesium compound is mainly used in increasing the mobility of slag.
Below with reference to specific embodiment, the utility model is illustrated.Institute's taking technique condition value in following embodiments
It is exemplary, its desirable number range is as shown in foregoing utility model content.Detection method used in following embodiments
It is the conventional detection method of the industry.
Embodiment 1
Ferromanganese Ore used in the present embodiment, its composition are：TFe25.28%, TMn14.35%；Reducing agent used is coal
Powder, the weight/mass percentage composition of its fixed carbon is 82.63%, and the weight/mass percentage composition of empty dry basis ash content is 8.17%；Used goes back
Raw coal is also the coal dust；Additive therefor is calcium oxide.
The present embodiment is as follows using the system processing ferrous manganese ore shown in Fig. 1, idiographic flow：
By ferrous manganese ore and coal dust according to mass ratio 100：20, which are sent into the second compound 1, is well mixed, and obtains the second compound.
Second compound is sent into the second shaped device 2 to be molded, obtains carbonaceous pelletizing.
Carbonaceous pelletizing feeding reduction apparatus 3 is subjected to reduction roasting, the reductase 12 0min at 1100 DEG C, obtains metallization ball
Group.
By metallized pellet be sent into mill screening device 4 carry out mill ore magnetic selection, obtain TFe90.01% metal iron powder and
TFe8.79%, TMn32.39% manganese slag.
By manganese slag, coal dust, calcium oxide according to mass ratio be 100:10:5 are sent into the first mixing device 5, are obtained after well mixed
Obtain the first compound.
First compound is sent into the first shaped device 6 to be molded, obtains the first pelletizing.
First pelletizing is sent into molten separating device 8 and carries out molten office reason, is melted at 1550 DEG C and divides 40min, obtain manganeisen.
After testing, the mass content that Fe mass content is 19.90%, Mn in the manganeisen is 77.42%.
Embodiment 2
Ferromanganese Ore used in the present embodiment, its composition are：TFe25.28%, TMn14.35%；Reducing agent used is H2
With CO mixed gas, wherein (H in mixed gas2+ CO) volume fraction >=70%, the matter of fixed carbon in reduction coal used
It is 76% to measure percentage composition；Additive therefor is magnesia.
The present embodiment is as follows using the system processing ferrous manganese ore shown in Fig. 1, idiographic flow：
Ferrous manganese ore is sent into reduction apparatus 3, and toward above-mentioned mixed gas is passed through in reduction apparatus 3, ferrous manganese ore gone back
Original roasting, reduces 90min at 800 DEG C, obtains metallized pellet.
By metallized pellet be sent into mill screening device 4 carry out mill ore magnetic selection, obtain TFe91.18% metal iron powder and
TFe9.06%, TMn32.71% manganese slag.
By manganese slag, reduction coal, magnesia according to mass ratio be 100:15:1 is sent into the first mixing device 5, after being well mixed
Obtain the first compound.
First compound is sent into the first shaped device 6 to be molded, obtains the first pelletizing.
First pelletizing is sent into molten separating device 8 and carries out molten office reason, is melted at 1420 DEG C and divides 120min, obtained ferromanganese and close
Gold.After testing, the mass content that Fe mass content is 19.86%, Mn in the manganeisen is 77.01%.
Embodiment 3
Ferromanganese Ore used in the present embodiment, its composition are：TFe18.15%, TMn17.97%；Reducing agent used is coal
Powder, the weight/mass percentage composition of its fixed carbon is 79.50%, and the weight/mass percentage composition of empty dry basis ash content is 9.78%；Used goes back
Raw coal is also the coal dust；Additive therefor is the mixture of calcium carbonate and magnesium carbonate.
The present embodiment is as follows using the system processing ferrous manganese ore shown in Fig. 1, idiographic flow：
By ferrous manganese ore and coal dust according to mass ratio 100:19.6, which are sent into the second compound 1, is well mixed, and obtains the second mixing
Material.
Second compound is sent into the second shaped device 2 to be molded, obtains carbonaceous pelletizing.
Carbonaceous pelletizing feeding reduction apparatus 3 is subjected to reduction roasting, 60min is reduced at 900 DEG C, obtains metallization ball
Group.
By metallized pellet be sent into mill screening device 4 carry out mill ore magnetic selection, obtain TFe88.64% metal iron powder and
TFe4.62%, TMn36.39% manganese slag.
By manganese slag, coal dust, calcium carbonate, magnesium carbonate according to mass ratio be 100:11.08:5:2 are sent into the first mixing device 5,
The first compound is obtained after well mixed.
First compound is sent into the first shaped device 6 to be molded, obtains the first pelletizing.
First pelletizing is sent into molten separating device 8 and carries out molten office reason, is melted at 1450 DEG C and divides 90min, obtain manganeisen.
After testing, the mass content that Fe mass content is 11.55%, Mn in the manganeisen is 84.76%.
Embodiment 4
Ferromanganese Ore used in the present embodiment, its composition are：TFe21.18%, TMn18.35%；Reducing agent used is CO
Mixed gas, wherein CO volumn concentration be 90%；The weight/mass percentage composition of fixed carbon is in reduction coal used
75%；Additive therefor is calcium carbonate.
The present embodiment is as follows using the system processing ferrous manganese ore shown in Fig. 1, idiographic flow：
Ferrous manganese ore is sent into reduction apparatus 3, and toward above-mentioned mixed gas is passed through in reduction apparatus 3, ferrous manganese ore gone back
Original roasting, reduces 35min at 1250 DEG C, obtains metallized pellet.
By metallized pellet be sent into mill screening device 4 carry out mill ore magnetic selection, obtain TFe89.28% metal iron powder and
TFe7.18%, TMn33.69% manganese slag.
By manganese slag, reduction coal, magnesia according to mass ratio be 100:25:10 are sent into the first mixing device 5, after being well mixed
Obtain the first compound.
First compound is sent into the first shaped device 6 to be molded, obtains the first pelletizing.
First pelletizing is sent into molten separating device 8 and carries out molten office reason, is melted at 1600 DEG C and divides 30min, obtain manganeisen.
After testing, the mass content that Fe mass content is 18.87%, Mn in the manganeisen is 79.93%.
It was found from above-described embodiment, manganese content is high in manganeisen made from the utility model.
To sum up, the utility model can obtain metal iron powder and ferromanganese with the manganese and iron in synthetical recovery Ferromanganese Ore.
The utility model technique is short, and cost is low, and manganese content is high in obtained manganeisen.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, other differences can also be made on the basis of the above description
The change or variation of form.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out aobvious and
Among the change or variation being clear to are still in the scope of protection of the utility model.
Claims (3)
- A kind of 1. processing system of ferrous manganese ore, it is characterised in that including：Reduction apparatus, exported provided with feed(raw material)inlet and metallized pellet；Screening device is ground, provided with metallized pellet entrance, metal iron powder outlet and the outlet of manganese slag, the metallized pellet entrance and institute The metallized pellet outlet for stating reduction apparatus is connected；First mixing device, exported provided with manganese slag entrance, reduction coal entrance, additive entrance and the first compound, the manganese slag Entrance is connected with the manganese slag outlet of the mill screening device；First shaped device, exported provided with the first compound entrance and the first pelletizing, the first compound entrance and described the The first compound outlet of one mixing arrangement is connected；Molten separating device, is exported provided with the first pelletizing entrance and manganeisen, and the first pelletizing entrance fills with the described first shaping The the first pelletizing outlet put is connected.
- 2. processing system according to claim 1, it is characterised in that also include：Second mixing device, exported provided with ferrous manganese ore entrance, reducing agent entrance and the second compound；Second shaped device, exported provided with the second compound entrance and carbonaceous pelletizing, the second compound entrance and described the The second compound outlet of two mixing arrangements is connected, and the carbonaceous pelletizing outlet is connected with the feed(raw material)inlet of the reduction apparatus.
- 3. processing system according to claim 1, it is characterised in that also include：Drying unit, provided with wet bulb group's entrance and pelletizing outlet is dried, wet bulb group's entrance and first shaped device The outlet of first pelletizing is connected, and the dry pelletizing outlet is connected with the first pelletizing entrance of the molten separating device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720599354.1U CN206828589U (en) | 2017-05-25 | 2017-05-25 | A kind of processing system of ferrous manganese ore |
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| CN201720599354.1U CN206828589U (en) | 2017-05-25 | 2017-05-25 | A kind of processing system of ferrous manganese ore |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083479A (en) * | 2017-05-25 | 2017-08-22 | 江苏省冶金设计院有限公司 | The processing system and processing method of a kind of ferrous manganese ore |
| CN111100982A (en) * | 2019-12-27 | 2020-05-05 | 宁夏晟晏实业集团能源循环经济有限公司 | Process for smelting manganese-rich slag from high-aluminum lean-manganese iron ore and high-sulfur coke |
-
2017
- 2017-05-25 CN CN201720599354.1U patent/CN206828589U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083479A (en) * | 2017-05-25 | 2017-08-22 | 江苏省冶金设计院有限公司 | The processing system and processing method of a kind of ferrous manganese ore |
| CN111100982A (en) * | 2019-12-27 | 2020-05-05 | 宁夏晟晏实业集团能源循环经济有限公司 | Process for smelting manganese-rich slag from high-aluminum lean-manganese iron ore and high-sulfur coke |
| CN111100982B (en) * | 2019-12-27 | 2021-09-10 | 宁夏晟晏实业集团能源循环经济有限公司 | Process for smelting manganese-rich slag from high-aluminum lean-manganese iron ore and high-sulfur coke |
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