CN108149016A - Manganese-silicon integrated smelting system - Google Patents
Manganese-silicon integrated smelting system Download PDFInfo
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- CN108149016A CN108149016A CN201711399354.8A CN201711399354A CN108149016A CN 108149016 A CN108149016 A CN 108149016A CN 201711399354 A CN201711399354 A CN 201711399354A CN 108149016 A CN108149016 A CN 108149016A
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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
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/06—Alloys
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
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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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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The present invention relates to a kind of manganese-silicon integrated smelting systems.In manganese-silicon integrated smelting system provided by the invention, the smelting in the first mineral hot furnace of raw material manganese, coke prepares high carbon ferromanganese, obtains byproduct：Coal gas and high-carbon slag；High-carbon slag and/or middle carbon slag, manganese ore, coke, silica, flux, middle carbon slag are blended in smelting in the second mineral hot furnace and prepare silicomangan, obtain byproduct silicomanganese grain slag；High carbon ferromanganese is smelted with silicomangan made from manganese ore, lime, step S2 in refining furnace obtains product medium-low carbon ferromanganese, obtains carbon slag in byproduct.Manganese-silicon integrated smelting system provided by the invention improves the utilization rate of manganese resource；Coal gas power generation is energy saving to reduce environmental pollution, and the use of water cooled furnace wall increases the mineral hot furnace service life, increases the utilization rate of furnace building material；Improve economic benefit；No pollution, the zero-emission of entire smelting process are realized, realizes environmentally friendly, efficient, energy saving, comprehensive utilization of resources, circular economy.
Description
Technical field
The present invention relates to field of metallurgy, and in particular to a kind of manganese-silicon integrated smelting system.
Background technology
Silicomangan is common double deoxidizer in steel-making, and is medium-low carbon ferromanganese and electro silicothermic process production in production
The reducing agent of manganese metal, producing the raw material of silicomangan has manganese ore, Mn-rich slag, silica, coke, is obtained by mineral hot furnace pyrolytic semlting
To silicomangan.It is well known that metallurgy industry is major power consumer, and it is big in addition to consuming in the smelting of silicomangan
Measure except the energy, the discharge of also a large amount of three waste causes environmental problem, for three wastes processing cost also very
It is expensive.
Invention content
For the defects in the prior art, the main object of the present invention, which is to provide one kind, can effectively improve using energy source
Rate, production high-quality product and the manganese-silicon integrated smelting system that can realize waste zero-emission.
Manganese-silicon integrated smelting system provided by the invention includes step：
S1. raw material manganese, the coke smelting in the first mineral hot furnace prepares high carbon ferromanganese, obtains byproduct：Coal gas and high-carbon slag；
S2. the high-carbon slag and/or middle carbon slag, manganese ore, coke, silica are blended in smelting in the second mineral hot furnace and prepare silicomanganese
Alloy obtains byproduct silicomanganese grain slag；The byproduct that the middle carbon slag is obtained from step S3；That is high-carbon slag and/or middle carbon slag
It can be used interchangeably or supplement use；
S3. the product high carbon ferromanganese in the step S1 and manganese ore, lime, silicomangan made from step S2 are in refining furnace
Middle smelting obtains product medium-low carbon ferromanganese, obtains carbon slag in byproduct.
Further, in above-mentioned manganese-silicon integrated smelting system, the matter of raw material manganese and coke described in the step S1
It measures than dosage and is：High manganese sinter 40%, half manganese carbonate ore 25% of South Africa, Australian manganese oxide ore 35%, surplus is coke；
The manganese content of the raw material manganese not less than mass fraction 42%, the granularity of the raw material manganese ore and coke is 10-60mm gradings,
Moisture is not higher than 6%；The smelting temperature of the first mineral hot furnace is 1300-1400 DEG C in the step S1, duration of heat 2.5-3h.
Further, in above-mentioned manganese-silicon integrated smelting system, the quality of manganese ore described in the step S2 compares dosage
For：South Africa sintering manganese ore 12%, half manganese carbonate ore 41% of South Africa, Australian manganese oxide ore 7%, South Africa ferric manganese ore 6%, height
Carbon slag 10%, Gabon's manganese ore 18%, domestic manganese ore 6%；The high-carbon slag or middle carbon slag, manganese ore, coke, silica quality use
Measuring ratio is：30：30：20：19；For the manganese content of the manganese ore averagely not less than mass fraction 37%, the granularity of the manganese ore is 10-
60mm gradings, moisture are not higher than 6%；The smelting temperature of the second mineral hot furnace is 1450-1600 DEG C in the step S2, the duration of heat
For 4-6h.
Further, in above-mentioned manganese-silicon integrated smelting system, manganese ore, lime, silicomanganese described in the step S3
The quality amount ratio of 6818 processing powders is：Australian manganese oxide ore：Lime：6818 processing powder of silicomanganese is 100：65：90；It is described
The manganese content of manganese ore is not less than mass fraction 37%, and the manganese ore, lime granularity are 10-30mm gradings, moisture is not higher than
6%；The smelting temperature of refining furnace is 1300-1500 DEG C in the step S3, duration of heat 2.5-3h.That is middle low-carbon
6818 processing powder of silicomanganese used in ferromanganese is the silicomanganese standard for meeting national standard 6818.
Further, in above-mentioned manganese-silicon integrated smelting system, the coal gas of the first mineral hot furnace generation in the step S1
It generates electricity after the coal gas processing generated with the second mineral hot furnace in step S2 for living area combustion heat supplying and coal gas.
Further, in above-mentioned manganese-silicon integrated smelting system, the coal gas of the first mineral hot furnace generation in the step S1
It is used to be sintered manganese ore, drying material with the coal gas that the second mineral hot furnace in step S2 generates.
Further, in above-mentioned manganese-silicon integrated smelting system, the coal gas of the first mineral hot furnace generation in the step S1
The coal gas processing method generated with the second mineral hot furnace in step S2 is dry-method bag-type dust collecting；The dry-method bag-type dust collecting technological process
For：Coal gas enters Bag filter by the thick gas wind turbine bleed of level-one after gravitational settling and obtains purified gas, the dedusting of entire technique
Efficiency is 99.9%, purified gas dustiness<20mg/Nm3, clean coal atmospheric pressure be 6-8KPa, purified gas temperature is 120-200 DEG C.
Further, in above-mentioned manganese-silicon integrated smelting system, the byproduct silicomanganese grain slag that is obtained in the step S2
After direct-water-quenching technical finesse raw material is prepared for cement；The direct-water-quenching technical matters is as follows：When tapping a blast furnace, slag iron is same
Shi Congtie mouthfuls of outflows, into ladle, the density of iron is big, and in ladle lower floor, slag is on ladle upper strata, with the increasing of molten iron
Add, molten iron is gradually increasing in ladle, and slag is also flowed out out of ladle, is entered in flushing cinder chute by chute, while flushing cinder slips
High pressure water outflow is arranged at slot lower part, and high temperature sludge water quenching is entered slag bath；The pressure of the high pressure water is 0.35-0.4Mpa.
In conclusion manganese-silicon integrated smelting system provided by the invention improves the utilization rate of manganese resource, manganese
The rate of recovery is improved by 80% or so to 87% or so, and ton iron cost-effectiveness increases at least 200 yuan or more；Energy is saved in coal gas power generation
Source reduces environmental pollution, and the use of water cooled furnace wall increases the mineral hot furnace service life, increases the utilization rate of furnace building material；Improve economic effect
Benefit；The purification coal gas power generation of raw gas dry-method bag-type dust collecting, raw material stoving roasting, powder mine sintering；Gravity flow cooling tower, full-automation
Production, silicomanganese clinker direct-water-quenching, realize no pollution, the zero-emission of entire smelting process, realize it is environmentally friendly, efficient, energy saving,
Comprehensive utilization of resources, circular economy.
Specific embodiment
With reference to specific embodiment, the present invention will be further described.The embodiment is only the preferred implementation of the present invention
Example, is not intended to restrict the invention, for those skilled in the art, the present invention can have various changes and change
Change.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention
Protection domain within.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In the description of the present application, it is to be understood that term " first ", " second " etc. are only used for description purpose, without
It is understood that indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Embodiment 1
The smelting in the first mineral hot furnace of raw material manganese, coke prepares high carbon ferromanganese, obtains byproduct：Coal gas and high-carbon slag；It is former
Material manganese and the quality ratio dosage of coke are：High manganese sinter 40%, half manganese carbonate ore 25% of South Africa, Australian manganese oxide ore
35%, surplus is coke；The manganese content of the raw material manganese is not less than the grain of mass fraction 42%, the raw material manganese ore and coke
It spends and is not higher than 6% for 10-60mm gradings, moisture；The smelting temperature of the first mineral hot furnace is 1350 DEG C in the step S1, during smelting
Between be 2.5h.
High-carbon slag, manganese ore, coke, the silica for preparing gained are blended in smelting in the second mineral hot furnace and prepare silicomangan, obtain
To byproduct silicomanganese grain slag；The quality of the manganese ore is than dosage：South Africa sintering manganese ore 12%, half manganese carbonate ore 41% of South Africa,
Australian manganese oxide ore 7%, South Africa ferric manganese ore 6%, high-carbon slag 10%, Gabon's manganese ore 18%, domestic manganese ore 6%；It is described
High-carbon slag or middle carbon slag, manganese ore, coke dosage 20%, silica 19% quality amount ratio be：30：30：20：19；The manganese
The manganese content of ore deposit is not less than mass fraction 37%, and the granularity of the manganese ore is 10-60mm gradings, moisture is not higher than 6%；It is described
The smelting temperature of the second mineral hot furnace is 1500 DEG C in step S2, duration of heat 5h.
The processing powder that the processing of the said goods high carbon ferromanganese generates is generated with manganese ore, lime, silicomangan obtained processing
Processing powder is smelted in refining furnace obtains product mid-carbon fe-mn, obtains carbon slag in byproduct；The manganese ore, lime, silicomanganese 6818
Processing powder quality amount ratio is：Australian manganese oxide ore：Lime：6818 processing powder of silicomanganese：High carbon ferromanganese processing powder is 100：
65：90：10；The manganese content of the manganese ore not less than mass fraction 37%, the manganese ore, lime, medium-low carbon ferromanganese granularity
6% is not higher than for 10-30mm gradings, moisture；The smelting temperature of refining furnace is 1300 DEG C in the step S3, and the duration of heat is
3h。
The coal gas that the coal gas and the second mineral hot furnace that first mineral hot furnace generates generate is used to be sintered manganese after dry-method bag-type dust collecting
Ore deposit, drying material；The dry-method bag-type dust collecting technological process is：Coal gas after gravitational settling by the thick gas wind turbine bleed of level-one into
Enter Bag filter and obtain purified gas, the efficiency of dust collection of entire technique is 99.9%, purified gas dustiness<20mg/Nm3, purified gas
Pressure is 6-8KPa, purified gas temperature is 120-200 DEG C.
It prepares gained byproduct silicomanganese grain slag and prepares raw material after direct-water-quenching technical finesse for cement；It is described direct
Water quenching technical matters is as follows：When tapping a blast furnace, slag iron flows out simultaneously from iron mouth, and into ladle, the density of iron is big, under ladle
Layer, slag is on ladle upper strata, and with the increase of molten iron, molten iron is gradually increasing in ladle, and slag is also flowed out out of ladle, passes through
Chute enters in flushing cinder chute, while high pressure water outflow is arranged at flushing cinder chute lower part, and high temperature sludge water quenching is entered slag bath；The high pressure
The pressure of water is 0.35-0.4Mpa.
Embodiment 2
The smelting in the first mineral hot furnace of raw material manganese, coke prepares high carbon ferromanganese, obtains byproduct：Coal gas and high-carbon slag；It is former
Material manganese and the quality ratio dosage of coke are：High manganese sinter 40%, half manganese carbonate ore 25% of South Africa, Australian manganese oxide ore
35%, surplus is coke；The manganese content of the raw material manganese is not less than the grain of mass fraction 42%, the raw material manganese and coke
It spends and is not higher than 6% for 10-60mm gradings, moisture；The smelting temperature of the first mineral hot furnace is 1400 DEG C in the step S1, during smelting
Between be 3h.
The high-carbon slag and middle carbon slag, manganese ore, coke, silica for preparing gained are blended in smelting in the second mineral hot furnace and prepare silicomanganese
Alloy obtains byproduct silicomanganese grain slag；The quality of the manganese ore is than dosage：South Africa sintering manganese ore 12%, half manganese carbonate of South Africa
Ore deposit 41%, Australian manganese oxide ore 7%, South Africa ferric manganese ore 6%, high-carbon slag 10%, Gabon's manganese ore 18%, domestic manganese ore
6%；The high-carbon slag or middle carbon slag, manganese ore, coke dosage 20%, silica 19% quality amount ratio be：30：30：20：
19；The manganese content of the manganese ore is not less than mass fraction 37%, and the granularity of the manganese ore is 10-60mm gradings, moisture is not high
In 6%；The smelting temperature of the second mineral hot furnace is 1450 DEG C in the step S2, duration of heat 4h；The middle carbon slag comes from down
The amount ratio of the byproduct that one step obtains, high-carbon slag and middle carbon slag is 3：1.
The said goods high carbon ferromanganese smelted in refining furnace with manganese ore, lime, silicomangan obtained obtain it is low in product
Carbon ferromanganese, obtains carbon slag in byproduct, and carbon slag is back to the smelting of the second mineral hot furnace in byproduct；The manganese ore, lime, silicomanganese
The quality amount ratio of 6818 processing powders is：Australian manganese oxide ore：Lime：6818 processing powder of silicomanganese：High carbon ferromanganese processing powder
It is 100：65：90：10；For the manganese content of the manganese ore not less than mass fraction 37%, the manganese ore, lime granularity are 10-
30mm gradings, moisture are not higher than 6%；The smelting temperature of refining furnace is 1500 DEG C in the step S3, duration of heat 3h.
The coal gas that the coal gas and the second mineral hot furnace that first mineral hot furnace generates generate is used to be sintered manganese after dry-method bag-type dust collecting
Ore deposit, drying material；The dry-method bag-type dust collecting technological process is：Coal gas after gravitational settling by the thick gas wind turbine bleed of level-one into
Enter Bag filter and obtain purified gas, the efficiency of dust collection of entire technique is 99.9%, purified gas dustiness<20mg/Nm3, purified gas
Pressure is 6-8KPa, purified gas temperature is 120-200 DEG C.
It prepares gained byproduct silicomanganese grain slag and prepares raw material after direct-water-quenching technical finesse for cement；It is described direct
Water quenching technical matters is as follows：When tapping a blast furnace, slag iron flows out simultaneously from iron mouth, and into ladle, the density of iron is big, under ladle
Layer, slag is on ladle upper strata, and with the increase of molten iron, molten iron is gradually increasing in ladle, and slag is also flowed out out of ladle, passes through
Chute enters in flushing cinder chute, while high pressure water outflow is arranged at flushing cinder chute lower part, and high temperature sludge water quenching is entered slag bath；The high pressure
The pressure of water is 0.35-0.4Mpa.
Embodiment 3
The smelting in the first mineral hot furnace of raw material manganese, coke prepares high carbon ferromanganese, obtains byproduct：Coal gas and high-carbon slag；It is former
Material manganese and the quality ratio dosage of coke are：High manganese sinter 40%, half manganese carbonate ore 25% of South Africa, Australian manganese oxide ore
35%, surplus is coke；The manganese content of the raw material manganese is not less than the granularity of mass fraction 42%, the raw material manganese and coke
6% is not higher than for 10-60mm gradings, moisture；The smelting temperature of the first mineral hot furnace is 1400 DEG C in the step S1, the duration of heat
For 3h.
The high-carbon slag and middle carbon slag, manganese ore, coke, silica for preparing gained are blended in smelting in the second mineral hot furnace and prepare silicomanganese
Alloy obtains byproduct silicomanganese grain slag；The quality of the manganese ore is than dosage：South Africa sintering manganese ore 12%, half manganese carbonate of South Africa
Ore deposit 41%, Australian manganese oxide ore 7%, South Africa ferric manganese ore 6%, high-carbon slag 10%, Gabon's manganese ore 18%, domestic manganese ore
6%；The high-carbon slag or middle carbon slag, manganese ore, coke dosage 20%, silica 19% quality amount ratio be：30：30：20：
19；The manganese content of the manganese ore is not less than mass fraction 37%, and the granularity of the manganese ore is 10-60mm gradings, moisture is not high
In 6%；The smelting temperature of the second mineral hot furnace is 1450 DEG C in the step S2, duration of heat 6h；The middle carbon slag comes from down
The amount ratio of the byproduct that one step obtains, high-carbon slag and middle carbon slag is 1：4.
The said goods high carbon ferromanganese processing powder is smelted with manganese ore, lime, silicomangan obtained in refining furnace to be produced
Product mid-carbon fe-mn, obtains carbon slag in byproduct, and carbon slag is back to the smelting of the second mineral hot furnace in byproduct；The manganese ore, lime,
The quality amount ratio of 6818 processing powder of silicomanganese is：Australian manganese oxide ore：Lime：6818 processing powder of silicomanganese：High carbon ferromanganese adds
Work powder is 100：65：90：10；The manganese content of the manganese ore is not less than mass fraction 37%, the manganese ore, lime, middle low-carbon
The granularity of ferromanganese is 10-30mm gradings, moisture is not higher than 6%；The smelting temperature of refining furnace is 1300 DEG C in the step S3, smelting
The refining time is 3h.
The coal gas that the coal gas and the second mineral hot furnace that first mineral hot furnace generates generate is used to be sintered manganese after dry-method bag-type dust collecting
Ore deposit, drying material；The dry-method bag-type dust collecting technological process is：Coal gas after gravitational settling by the thick gas wind turbine bleed of level-one into
Enter Bag filter and obtain purified gas, the efficiency of dust collection of entire technique is 99.9%, purified gas dustiness<20mg/Nm3, purified gas
Pressure is 6-8KPa, purified gas temperature is 120-200 DEG C.
It prepares gained byproduct silicomanganese grain slag and prepares raw material after direct-water-quenching technical finesse for cement；It is described direct
Water quenching technical matters is as follows：When tapping a blast furnace, slag iron flows out simultaneously from iron mouth, and into ladle, the density of iron is big, under ladle
Layer, slag is on ladle upper strata, and with the increase of molten iron, molten iron is gradually increasing in ladle, and slag is also flowed out out of ladle, passes through
Chute enters in flushing cinder chute, while high pressure water outflow is arranged at flushing cinder chute lower part, and high temperature sludge water quenching is entered slag bath；The high pressure
The pressure of water is 0.35-0.4Mpa.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (9)
1. a kind of manganese-silicon integrated smelting system, which is characterized in that including step：
S1. raw material manganese ore, the coke smelting in the first mineral hot furnace prepares high carbon ferromanganese, obtains byproduct：Coal gas and high-carbon slag；
S2. the high-carbon slag and/or middle carbon slag, manganese ore, coke, silica are blended in smelting in the second mineral hot furnace and prepare silicomanganese conjunction
Gold obtains byproduct silicomanganese grain slag；The byproduct that the middle carbon slag is obtained from step S3；
S3. the product high carbon ferromanganese in the step S1 and silicomangan smelting in refining furnace made from manganese ore, lime, step S2
Refining obtains product medium-low carbon ferromanganese, obtains carbon slag in byproduct.
2. manganese-silicon integrated smelting system according to claim 1, which is characterized in that
The dosage of the quality of raw material manganese ore and coke ratio described in the step S1 is：High manganese sinter 40%, half manganese carbonate of South Africa
Ore deposit 25%, Australian manganese oxide ore 35%, surplus is coke；
For the manganese content of the raw material manganese not less than mass fraction 42%, the granularity of the raw material manganese and coke is 10-60mm grades
Match, moisture is not higher than 6%；
The smelting temperature of the first mineral hot furnace is 1300-1400 DEG C in the step S1, duration of heat 2.5-3h.
3. manganese-silicon integrated smelting system according to claim 1, which is characterized in that
The quality of manganese ore described in the step S2 is than dosage：South Africa sintering manganese ore 12%, half manganese carbonate ore 41% of South Africa, Australia
Big Leah manganese oxide ore 7%, South Africa ferric manganese ore 6%, high-carbon slag 10%, Gabon's manganese ore 18%, domestic manganese ore 6%；
The high-carbon slag or middle carbon slag, manganese ore, coke, silica quality amount ratio be：30：30：20：19；
The manganese content of the manganese ore is not less than mass fraction 37%, and the granularity of the manganese ore is 10-60mm gradings, moisture is not high
In 6%；
The smelting temperature of the second mineral hot furnace is 1450-1600 DEG C in the step S2, duration of heat 4-6h.
4. manganese-silicon integrated smelting system according to claim 1, which is characterized in that
Manganese ore described in the step S3, lime, silicomanganese 6818 quality amount ratio be：Australian manganese oxide ore：Lime：Silicon
Manganese 6818 is 100：65：90；
The manganese content of the manganese ore not less than mass fraction 37%, the manganese ore, lime, silicomanganese 6818 granularity be 10-
30mm gradings, moisture are not higher than 6%；
The smelting temperature of refining furnace is 1300-1500 DEG C in the step S3, duration of heat 2.5-3h.
5. manganese-silicon integrated smelting system as claimed in any of claims 1 to 3, which is characterized in that
It is used for after the coal gas processing that the second mineral hot furnace generates in the first mineral hot furnace generates in the step S1 coal gas and step S2
Coal gas generates electricity.
6. manganese-silicon integrated smelting system as claimed in any of claims 1 to 3, which is characterized in that
It is used for after the coal gas processing that the second mineral hot furnace generates in the first mineral hot furnace generates in the step S1 coal gas and step S2
Living area combustion heat supplying.
7. manganese-silicon integrated smelting system as claimed in any of claims 1 to 3, which is characterized in that
The coal gas that the second mineral hot furnace generates in the first mineral hot furnace generates in the step S1 coal gas and step S2 is used to be sintered manganese
Ore deposit, drying material.
8. manganese-silicon integrated smelting system according to claim 5, which is characterized in that
The coal gas processing method of the second mineral hot furnace generation is in the first mineral hot furnace generates in the step S1 coal gas and step S2
Dry-method bag-type dust collecting；
The dry-method bag-type dust collecting technological process is：Coal gas enters cloth bag mistake after gravitational settling by the thick gas wind turbine bleed of level-one
Filter obtains purified gas, and the efficiency of dust collection of entire technique is 99.9%, purified gas dustiness<20mg/Nm3, clean coal atmospheric pressure be 6-
8KPa, purified gas temperature are 120-200 DEG C.
9. manganese-silicon integrated smelting system as claimed in any of claims 1 to 3, which is characterized in that
The byproduct silicomanganese grain slag obtained in the step S2 prepares raw material after direct-water-quenching technical finesse for cement；Institute
It is as follows to state direct-water-quenching technical matters：
When tapping a blast furnace, slag iron flows out simultaneously from iron mouth, and into ladle, the density of iron is big, and in ladle lower floor, slag is in ladle
Layer, with the increase of molten iron, molten iron is gradually increasing in ladle, and slag is also flowed out out of ladle, enters punching by buffering slag and filling
In slag chute, while high pressure water outflow is arranged at flushing cinder chute lower part, and high temperature sludge water quenching is entered slag bath；The pressure of the high pressure water is
0.35-0.4Mpa。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110042239A (en) * | 2019-04-30 | 2019-07-23 | 宁夏金兰山冶金有限公司 | A kind of silicon-manganese alloy smelting process |
| CN111961888A (en) * | 2020-08-10 | 2020-11-20 | 兴和县山河特钢有限公司 | Environment-friendly pollution-free silicon-manganese alloy smelting process |
| WO2021133573A1 (en) * | 2019-12-23 | 2021-07-01 | Armstrong World Industries, Inc. | Continous smelting and fiber spinning process |
| CN113604661A (en) * | 2021-07-02 | 2021-11-05 | 宁夏天元锰业集团有限公司 | Process method for producing manganese-silicon alloy by using full manganese carbonate ore |
| CN114015873A (en) * | 2021-09-18 | 2022-02-08 | 昆明理工大学 | Method for preparing manganese-silicon alloy from lithium ore and enriching lithium |
| CN115161498A (en) * | 2022-08-19 | 2022-10-11 | 宁夏森源重工设备有限公司 | Process for producing manganese metal by large-scale submerged arc furnace |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042239A (en) * | 2019-04-30 | 2019-07-23 | 宁夏金兰山冶金有限公司 | A kind of silicon-manganese alloy smelting process |
| WO2021133573A1 (en) * | 2019-12-23 | 2021-07-01 | Armstrong World Industries, Inc. | Continous smelting and fiber spinning process |
| CN111961888A (en) * | 2020-08-10 | 2020-11-20 | 兴和县山河特钢有限公司 | Environment-friendly pollution-free silicon-manganese alloy smelting process |
| CN113604661A (en) * | 2021-07-02 | 2021-11-05 | 宁夏天元锰业集团有限公司 | Process method for producing manganese-silicon alloy by using full manganese carbonate ore |
| CN113604661B (en) * | 2021-07-02 | 2023-03-07 | 宁夏天元锰业集团有限公司 | Process method for producing manganese-silicon alloy by using full manganese carbonate ore |
| CN114015873A (en) * | 2021-09-18 | 2022-02-08 | 昆明理工大学 | Method for preparing manganese-silicon alloy from lithium ore and enriching lithium |
| CN115161498A (en) * | 2022-08-19 | 2022-10-11 | 宁夏森源重工设备有限公司 | Process for producing manganese metal by large-scale submerged arc furnace |
| CN115161498B (en) * | 2022-08-19 | 2024-04-12 | 宁夏森源重工设备有限公司 | Production process for producing manganese metal by large submerged arc furnace |
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