CN205933969U - Low carbon ferromanganese's production system - Google Patents
Low carbon ferromanganese's production system Download PDFInfo
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- CN205933969U CN205933969U CN201620477455.7U CN201620477455U CN205933969U CN 205933969 U CN205933969 U CN 205933969U CN 201620477455 U CN201620477455 U CN 201620477455U CN 205933969 U CN205933969 U CN 205933969U
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Abstract
The utility model relates to a low carbon ferromanganese's production system, including grate machine and concise electric stove, still including being used for carrying out the manganese ore preheating unit that preheats to the manganese ore, the manganese ore entry linkage of manganese ore preheating unit and concise electric stove. Through preheating the manganese ore, can shorten the duration of heat of concise electric stove, the volatilization loss of manganese element also reduces thereupon in the furnace charge simultaneously, effective energy saving, reduction in production cost.
Description
Technical field
This utility model belongs to low-carbon ferromanganese production technical field and in particular to a kind of production system of low-carbon ferromanganese.
Background technology
Increasingly competitive with domestic Ferroalloy Markets, raw material and electricity price etc. go up, the life of ferroalloy manufacturing enterprise
Depositing space becomes more and more narrower, has been an instant thing for reducing energy consumption and the cost-effective enterprise to ferroalloy
Feelings.When conventional electric refining furnaces and shaking ladle machine produce low-carbon ferromanganese, it is all that stove is entered using cold charge, duration of heat length, energy consumption are relatively
Height, in furnace charge, the volatilization of manganese element is also of a relatively high.
Utility model content
This utility model embodiment provides a kind of production system of low-carbon ferromanganese, at least can solve partly lacking of prior art
Fall into.
This utility model embodiment is related to a kind of production system of low-carbon ferromanganese, including grate machine and electric refining furnaces, also wraps
Include the manganese ore preheating mechanism for being preheated to manganese ore, described manganese ore preheating mechanism is connected with the manganese ore entrance of described electric refining furnaces
Connect.
As one of embodiment, the production system of this low-carbon ferromanganese also includes liquid silicon manganese alloy and smelts mechanism, described liquid
State manganese alloy smelting mechanism has liquid silicon manganese alloy outlet, and described grate machine has liquid silicon manganese alloy entrance, refine electricity
Stove slag entrance and the outlet of liquid low ferro-silico-manganese, described liquid silicon manganese alloy entrance is with described liquid silicon manganese alloy outlet even
Connect, described electric refining furnaces slag entrance is connected with the slag outlet of described electric refining furnaces, the low ferro-silico-manganese outlet of described liquid
It is connected with described electric refining furnaces.
As one of embodiment, described liquid silicon manganese alloy is smelted mechanism and is included mineral hot furnace.
As one of embodiment, described mineral hot furnace has furnace gas export, described furnace gas export by furnace gas pipeline connect to
Described manganese ore preheating mechanism.
As one of embodiment, described manganese ore preheating mechanism includes rotary kiln.
As one of embodiment, described manganese ore preheating mechanism passes through to be incubated batch can and the manganese ore entrance of described electric refining furnaces connects
Connect.
This utility model embodiment at least achieves following beneficial effect：
(1) duration of heat of electric refining furnaces by preheating, can be shortened to manganese ore, simultaneously in furnace charge manganese element volatilization
Loss also reduces therewith, the effectively save energy, reduces production cost.
(2) adopt silicomangan direct hot charging entrance electric refining furnaces smelting after grate machine dilution process of liquid, can have
Effect shortens the duration of heat of electric furnace, reduces power consumption.
(3) by the furnace gas of mineral hot furnace being reclaimed the preheating being used for manganese ore, the waste heat of furnace gas can on the one hand be made full use of, fall
The energy expenditure of low manganese ore preheating, on the other hand realizes the integrated treatment of furnace gas, reaches the effect of energy-conserving and environment-protective.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic flow sheet of the production system of the low-carbon ferromanganese that Fig. 1 provides for this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained all other embodiment, broadly falls into the scope of this utility model protection.
As Fig. 1, this utility model embodiment provides a kind of production system of low-carbon ferromanganese, including grate machine 3, electric refining furnaces
4 and for manganese ore preheating mechanism that manganese ore is preheated, the manganese ore entrance of described manganese ore preheating mechanism and described electric refining furnaces 4
Connect.Wherein, electric refining furnaces 4 are used for smelting low carbon ferromanganese, and the slag that grate machine 3 is used for electric refining furnaces 4 are discharged carries out dilution,
To reduce the manganese content in slag, improve the response rate of manganese.Manganese ore through the preheating of manganese ore preheating mechanism can enter essence by direct hot charging
In refining electric furnace 4, the duration of heat of electric refining furnaces 4 can be shortened, in furnace charge, the volatilization loss of manganese element also reduces therewith simultaneously, effectively
Energy saving, reduces production cost.Further, manganese ore preheating mechanism passes through to be incubated the manganese ore of batch can and described electric refining furnaces 4
Entrance connects；Above-mentioned insulation batch can is mountable to above electric refining furnaces 4, preheats the manganese ore completing and is discharged in this insulation batch can, can
Realize hot delivery and hot charging, this insulation batch can may also function as the effect buffering simultaneously, with adjust electric refining furnaces 4 and manganese ore preheating mechanism it
Between work rhythm.
As one of embodiment, the production system of this low-carbon ferromanganese also includes liquid silicon manganese alloy and smelts mechanism, described liquid
State manganese alloy smelting mechanism has liquid silicon manganese alloy outlet, and described grate machine 3 has liquid silicon manganese alloy entrance, refine electricity
Stove slag entrance and the outlet of liquid low ferro-silico-manganese, described liquid silicon manganese alloy entrance is with described liquid silicon manganese alloy outlet even
Connect, described electric refining furnaces slag entrance is connected with the slag outlet of described electric refining furnaces 4, the low ferro-silico-manganese outlet of described liquid
It is connected with described electric refining furnaces 4.Wherein, described liquid silicon manganese alloy is smelted mechanism and can be set using the smelting such as electric furnace, mineral hot furnace 1
Standby, in the present embodiment, it is preferably this liquid silicon manganese alloy smelting mechanism and includes mineral hot furnace 1.Smelted by mineral hot furnace 1 and obtain liquid
Silicomangan, this liquid silicon manganese alloy heat converts entrance grate machine 3, reacts with electric refining furnaces slag in grate machine 3, to refine electricity
Stove slag carries out dilution process, can get the low silicon high-manganese alloy of liquid, and the low silicon high-manganese alloy heat of this liquid converts entrance refine
In electric furnace 4, react with the manganese ore of preheating and other various dispensing (including Calx, the manganese ore not preheated etc.) in electric refining furnaces 4,
Low-carbon ferromanganese can be obtained.Silicomangan direct hot charging entrance electric refining furnaces 4 smelting after grate machine 3 dilution process using liquid
Refining, can effectively shorten the duration of heat of electric furnace, reduce power consumption.
Wherein, as a kind of preferred structure of the present embodiment, described mineral hot furnace 1 has furnace gas export, described furnace gas export
Connected to described manganese ore preheating mechanism by furnace gas pipeline.By the furnace gas of mineral hot furnace 1 being reclaimed the preheating being used for manganese ore, a side
Face can make full use of the waste heat of furnace gas, reduce the energy expenditure of manganese ore preheating, on the other hand realize the integrated treatment of furnace gas, reach
The effect of energy-conserving and environment-protective.Above-mentioned manganese ore preheating mechanism can adopt the pre-heating device such as sintering machine, rotary kiln 2, in the present embodiment, adopts
Rotary kiln 2.The furnace gas supply that above-mentioned mineral hot furnace 1 reclaims to rotary kiln 2, after this part furnace gas can be beforehand through combustion system burning
Generation high-temperature flue gas are rotary kiln 2 heat supply, also can directly burn in rotary kiln 2 for rotary kiln 2 heat supply；Can in rotary kiln 2
Manganese ore is preheated to 700～800 DEG C, the water of constitution in removing manganese ore converts with absorption water, the simultaneously oxide of part value Mn
Become the low oxide based on mangano-manganic oxide, facilitate the smelting in follow-up electric refining furnaces 4.
The production process of the production system of low-carbon ferromanganese that the present embodiment provides is as follows：
Manganese ore is continuously added to rotary kiln 2, mineral hot furnace 1 is smelted the furnace gas (coal gas) reclaiming and supplied and to rotary kiln 2 is
Rotary kiln 2 heat supply, manganese ore is preheated to 700～800 DEG C in rotary kiln 2, removes the water of constitution in manganese ore and absorption water, simultaneously
The oxide of part value Mn changes into the low oxide based on mangano-manganic oxide；Preheated manganese ore is discharged into insulation material
In tank.
Smelt in mineral hot furnace 1 and obtain the liquid silicon manganese alloy in 60～70% (mass percents) for the manganese content, return simultaneously
The furnace gas received is delivered to rotary kiln 2 and is utilized.Together with the electric refining furnaces slag that above-mentioned liquid silicon manganese alloy is discharged with electric refining furnaces 4
Hot charging enters in grate machine 3, and grate machine 3 is shaken 10～20 minutes with suitable rotating speed, and electric refining furnaces slag enters in grate machine 3
Row dilution is processed.Slag specimen in grate machine 3 is taken to judge the manganese content in grate machine 3 slag, after the complete dilution of electric-furnace slag to be refined,
Obtain low silicon high-manganese alloy and the dilution slag of liquid, the low silicon high-manganese alloy heat of above-mentioned liquid is converted in entrance electric refining furnaces 4, right
Above-mentioned dilution slag carries out Water Quenching.
Insulation batch can will preheat manganese ore and load to electric refining furnaces 4, add other dispensing (bags into electric refining furnaces 4 simultaneously
Include Calx, the manganese ore not preheated etc.), smelt in electric refining furnaces 4 together with the liquid being blended into low silicon high-manganese alloy, slag sluicing system
Obtain ferromanganese alloy and electric refining furnaces slag, above-mentioned electric refining furnaces slag is sent into grate machine 3 and carried out dilution process, above-mentioned low
Carbon-manganese alloy is blended into ladle and sends to casting.
When rotary kiln 2 cannot work, cold burden (not preheated manganese ore) loading electric refining furnaces 4 may also be employed and given birth to
Produce, can flexibly be controlled according to on-site actual situations, be conducive to the organization of production of manufacturing enterprise to work.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (5)
1. a kind of production system of low-carbon ferromanganese, including grate machine and electric refining furnaces it is characterised in that：Also include for manganese ore
The manganese ore preheating mechanism being preheated, described manganese ore preheating mechanism is connected with the manganese ore entrance of described electric refining furnaces；
Also include liquid silicon manganese alloy and smelt mechanism, described liquid silicon manganese alloy is smelted mechanism and had liquid silicon manganese alloy outlet,
Described grate machine has liquid silicon manganese alloy entrance, electric refining furnaces slag entrance and the outlet of liquid low ferro-silico-manganese, described liquid
The outlet of state silicomangan entrance and described liquid silicon manganese alloy is connected, described electric refining furnaces slag entrance and described electric refining furnaces
Slag outlet connects, and the low ferro-silico-manganese outlet of described liquid is connected with described electric refining furnaces.
2. low-carbon ferromanganese according to claim 1 production system it is characterised in that：Described liquid silicon manganese alloy smelting machine
Structure includes mineral hot furnace.
3. low-carbon ferromanganese according to claim 2 production system it is characterised in that：Described mineral hot furnace has furnace gas and goes out
Mouthful, described furnace gas export is connected to described manganese ore preheating mechanism by furnace gas pipeline.
4. the low-carbon ferromanganese according to claim 1 or 3 production system it is characterised in that：Described manganese ore preheating mechanism bag
Include rotary kiln.
5. low-carbon ferromanganese according to claim 1 production system it is characterised in that：Described manganese ore preheating mechanism passes through to protect
Warm batch can is connected with the manganese ore entrance of described electric refining furnaces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620477455.7U CN205933969U (en) | 2016-05-24 | 2016-05-24 | Low carbon ferromanganese's production system |
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| CN201620477455.7U CN205933969U (en) | 2016-05-24 | 2016-05-24 | Low carbon ferromanganese's production system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588447A (en) * | 2018-06-14 | 2018-09-28 | 宁夏晟晏实业集团能源循环经济有限公司 | A kind of production method of metal manganese ingot |
| CN108796252A (en) * | 2018-06-14 | 2018-11-13 | 宁夏晟晏实业集团能源循环经济有限公司 | A kind of production method of pure micro-carbon ferromanganese |
| CN114608312A (en) * | 2022-01-26 | 2022-06-10 | 中钢金冶(内蒙古)工程技术有限公司 | Method for preheating secondary air of rotary kiln by utilizing high-temperature flue gas of submerged arc furnace |
-
2016
- 2016-05-24 CN CN201620477455.7U patent/CN205933969U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108588447A (en) * | 2018-06-14 | 2018-09-28 | 宁夏晟晏实业集团能源循环经济有限公司 | A kind of production method of metal manganese ingot |
| CN108796252A (en) * | 2018-06-14 | 2018-11-13 | 宁夏晟晏实业集团能源循环经济有限公司 | A kind of production method of pure micro-carbon ferromanganese |
| CN114608312A (en) * | 2022-01-26 | 2022-06-10 | 中钢金冶(内蒙古)工程技术有限公司 | Method for preheating secondary air of rotary kiln by utilizing high-temperature flue gas of submerged arc furnace |
| CN114608312B (en) * | 2022-01-26 | 2023-12-05 | 金冶(内蒙古)工程技术有限公司 | Method for preheating secondary air of rotary kiln by using high-temperature flue gas of submerged arc furnace |
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