CN103602846B - A kind of method utilizing SILICA FUME to produce Antaciron - Google Patents
A kind of method utilizing SILICA FUME to produce Antaciron Download PDFInfo
- Publication number
- CN103602846B CN103602846B CN201310545060.7A CN201310545060A CN103602846B CN 103602846 B CN103602846 B CN 103602846B CN 201310545060 A CN201310545060 A CN 201310545060A CN 103602846 B CN103602846 B CN 103602846B
- Authority
- CN
- China
- Prior art keywords
- antaciron
- silica fume
- pelletizing
- produce
- reducing agent
- 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
Abstract
The present invention relates to a kind of method utilizing SILICA FUME to produce Antaciron, belong to Antaciron and industrial silicon technical field.First, after adding binding agent and water mix homogeneously in SILICA FUME and little granule Silicon stone, it is pressed into pelletizing；The most under reducing atmosphere, pelletizing above-mentioned steps obtained is dried, dried pelletizing and carbonaceous reducing agent are loaded in metallurgical furnace, pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door, then pelletizing and carbonaceous reducing agent are smelted at metallurgical furnace high temperature regional temperature, add steel cuttings, steel rolling iron sheet and iron ore pellets iron-bearing material and obtain Antaciron melt in smelting process；Antaciron melt above-mentioned steps obtained can produce after external refining and obtain Antaciron.This method utilizes SILICA FUME and little granule Silicon stone pelletizing to produce Antaciron as silicon source, provides effective utilization ways for SILICA FUME discarded in the ferroalloy industry production process and little granule Silicon stone.
Description
Technical field
The present invention relates to a kind of method utilizing SILICA FUME to produce Antaciron, belong to Antaciron and industrial silicon technical field.
Background technology
Antaciron and industrial silicon belong to the Si system alloy in the ferroalloy industry, are widely used in steel-making, casting, non-ferrous metal and other commercial production.The production of Antaciron and industrial silicon is all with Silicon stone as raw material, mixes addition mineral hot furnace after washing with carbonaceous reducing agent, and carbon thermal reduction obtains Antaciron and metallic silicon under the high temperature conditions.
In Antaciron and industrial silicon production, in order to ensure the breathability of furnace charge, it is desirable to furnace charge is in certain particle size range.In silicon ore cleaning process, < silicon ore of 20mm will be sized particle diameter, in order to avoid entering in mineral hot furnace, affect the breathability of furnace charge.Owing to lacking effective utilization ways, < silicon ore of 20mm generally goes out of use and stores up this part particle diameter, causes the waste of silicon ore resources, adds the production cost of Antaciron and industrial silicon simultaneously.
The flue gas produced during Antaciron and industrial silicon production i.e. obtains, after collecting, the SILICA FUME that dioxide-containing silica is 80 ~ 95% rich in a large amount of fine silica powders, removing dust equipment.Ferroalloy works of China often produce 5t ferrosilicon will produce 1t SILICA FUME；Often produce 3t industrial silicon and will produce 1t SILICA FUME.According to statistics, China's ferrosilicon yield in 2012 be 4,780,000 t, industrial silicon yield be 1,130,000 t.Correspondingly, only 2012 1 year, China will produce SILICA FUME 1,330,000 t.At present, SILICA FUME is mainly used in the field such as concrete, refractory material as additive, and usage amount is little, and economic worth is low.Cause SILICA FUME slack market, a large amount of heaps to there is on-site, both occupied producing region area, bring pollution to again the environment of surrounding.
Currently for the small particle silicon ore (particle diameter < 20mm) produced during Antaciron and industrial silicon production and SILICA FUME, still there is no preferable utilization ways.There is on-site in substantial amounts of small particle silicon ore and SILICA FUME heap, not only causes the waste of silicon ore resource, reduces the economic benefit of factory, also occupies large stretch of producing region area simultaneously, brings pollution to plant area's surrounding enviroment, threatens Enterprise Healthy Development.Small particle silicon ore and SILICA FUME is the most effectively utilized to become the ferroalloy industry problem demanding prompt solution.
Summary of the invention
The problem existed for above-mentioned prior art and deficiency, the present invention provides a kind of method utilizing SILICA FUME to produce Antaciron.This method utilizes SILICA FUME and little granule Silicon stone pelletizing to produce Antaciron as silicon source, provides effective utilization ways for SILICA FUME discarded in the ferroalloy industry production process and little granule Silicon stone.
A kind of method utilizing SILICA FUME to produce Antaciron, it specifically comprises the following steps that
(1) first add in SILICA FUME and little granule Silicon stone SILICA FUME quality 2～the binding agent of 12% and SILICA FUME quality 3～15% water mix homogeneously after, under the pressure of 5～30t, be pressed into pelletizing；
(2) under reducing atmosphere, the pelletizing that step (1) obtains is dried under conditions of temperature is 100～300 DEG C, it is (2.4～3.0) by mass ratio: the dried pelletizing of (1.0～2.0) and carbonaceous reducing agent load in the metallurgical furnace that surface temperature is 800～1200 DEG C, pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door, then pelletizing and carbonaceous reducing agent smelt 0.5～2h under the conditions of metallurgical furnace high temperature regional temperature is 1800～2500 DEG C, steel cuttings is added in smelting process, steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
SiO in described SILICA FUME2Content is more than 80wt.%, Al2O3Content is less than 2wt.%.
Described little granule Silicon stone particle diameter is below 5mm, and addition is less than the 50% of SILICA FUME quality.
Described binding agent is one or more the arbitrary proportion mixture in coal tar, coal tar pitch, wood fibre.
The pelletizing particle diameter that described step (1) obtains is 25～150mm.
Described carbonaceous reducing agent is coke, Linesless charcoal, coal, petroleum coke, biomass or biomass carbon.
Described metallurgical furnace is mineral hot furnace.
The addition of described steel cuttings, steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement, to obtain the Antaciron product meeting standard GB/T/T2272-2009.
In above-mentioned steps (2), the drying time of pelletizing is 0.5～6h.
Above-mentioned external refining process is to remove impurity element by technological means such as air blowing, slag making to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Air blowing process is: the mixed gas of one or more arbitrary proportions being blown in a certain amount of oxygen-enriched air, oxygen, chlorine in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, blow gas pressure is 2～8atm, and flow is 0.1～1hm3/ min, the time is 0.5～5h.
Slagging process is: add a certain amount of synthetic slag in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, the composition of synthetic slag includes one or more in quick lime, quartz sand, fluorite, ferrum phosphorus, alkali metal oxide, addition is the 5～25% of Antaciron melt amount, and the time is 0.5～5h.
Above-mentioned blowing refining process and slag refining process can individually be carried out respectively, it is also possible to carry out simultaneously.
Small particle silicon ore (particle diameter < 20mm) for producing during Antaciron and industrial silicon production first carries out classification by granularity, when small particle silicon ore particle diameter is below 5mm, can smelt directly as raw material in the method；When small particle silicon ore particle diameter is between 5～20mm, it is necessary to passing through and being crushed to particle diameter is below 5mm, could smelt as raw material in the method.
The invention has the beneficial effects as follows: (1) present invention proposes a kind of method utilizing SILICA FUME and little granule Silicon stone to produce Antaciron on the basis of not changing existing Antaciron production smelting equipment and operating duty；(2) with SILICA FUME and little granule Silicon stone as raw material, produce SILICA FUME pelletizing using coal tar, coal tar pitch and mixture thereof etc. as binding agent, meet Antaciron and produce into stove requirement；(3) with SILICA FUME and little granule Silicon stone for raw material production Antaciron, decrease the Silicon stone consumption during Antaciron produces, improve Business Economic Benefit, solve SILICA FUME and little granule Silicon stone during ferroalloy produces and store up the environmental problem brought in a large number.
Accompanying drawing explanation
Fig. 1 is present invention process flow chart.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, the invention will be further described.
Embodiment 1
As it is shown in figure 1, this utilizes the method that SILICA FUME produces Antaciron, it specifically comprises the following steps that
(1), after first adding the binding agent of SILICA FUME quality 2% and the water mix homogeneously of SILICA FUME quality 3% in SILICA FUME and little granule Silicon stone, under the pressure of 5t, it is pressed into pelletizing, wherein SiO in SILICA FUME2Content 90.4wt.%, Al2O3Content 1.2wt.%, little granule Silicon stone particle diameter is below 5mm, and addition is the 40% of SILICA FUME quality, and binding agent is coal tar, and pelletizing particle diameter is 25mm；
null(2) under reducing atmosphere，After the pelletizing that step (1) obtains is dried 6h under conditions of temperature is 100 DEG C，Dried pelletizing and carbonaceous reducing agent that mass ratio is 2.4:1.0 are loaded in the metallurgical furnace that surface temperature is 800 DEG C，Pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door，Then pelletizing and carbonaceous reducing agent smelt 0.5h under the conditions of metallurgical furnace high temperature regional temperature is 1800 DEG C，Steel cuttings is added in smelting process、Steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt，Wherein carbonaceous reducing agent is coke，Metallurgical furnace is mineral hot furnace，Steel cuttings、The addition of steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement，To obtain the Antaciron product meeting standard GB/T/T2272-2009；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
Above-mentioned external refining process is to remove impurity element by blowing techniques means, in order to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Air blowing process is: being blown into metal or the nonmetallic inclusions such as a certain amount of oxygen-enriched air, Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron in Antaciron melt, blow gas pressure is 2atm, and flow is 0.1hm3/ min, the time is 0.5h.
This Antaciron product composition is Si content 77.4wt.%, Al content 0.4wt.%, Ca content 0.4wt.%, Mn content 0.6wt.%, Cr content 0.4wt.%, and surplus is Fe.
Embodiment 2
As it is shown in figure 1, this utilizes the method that SILICA FUME produces Antaciron, it specifically comprises the following steps that
(1), after first adding the binding agent of SILICA FUME quality 12% and the water mix homogeneously of SILICA FUME quality 15% in SILICA FUME and little granule Silicon stone, under the pressure of 30t, it is pressed into pelletizing, wherein SiO in SILICA FUME2Content 88.5wt.%, Al2O3Content be less than 1.4wt.%, little granule Silicon stone particle diameter is below 5mm, and addition is less than the 50% of SILICA FUME quality, binding agent be mass ratio be coal tar pitch and the wood fibre of 1:1, pelletizing particle diameter is 150mm；
null(2) under reducing atmosphere，After the pelletizing that step (1) obtains is dried 0.5h under conditions of temperature is 300 DEG C，Dried pelletizing and carbonaceous reducing agent that mass ratio is 3.0:2.0 are loaded in the metallurgical furnace that surface temperature is 1200 DEG C，Pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door，Then pelletizing and carbonaceous reducing agent smelt 2h under the conditions of metallurgical furnace high temperature regional temperature is 2500 DEG C，Steel cuttings is added in smelting process、Steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt，Wherein carbonaceous reducing agent is Linesless charcoal，Metallurgical furnace is mineral hot furnace，Steel cuttings、The addition of steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement，To obtain the Antaciron product meeting standard GB/T/T2272-2009；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
Above-mentioned external refining process is to remove impurity element by technological means such as air blowing, slag making to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Air blowing process is: be blown into oxygen and the mixed gas of oxygen-enriched air that a certain amount of volume ratio is 1:1 in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, blow gas pressure is 8atm, and flow is 1hm3/ min, the time is 5h.
Slagging process is: add a certain amount of synthetic slag in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, the composition of synthetic slag includes quick lime, addition is the 5% of Antaciron melt amount, and the time is 0.5h.
This Antaciron product composition is Si content 73.5wt.%, Al content 0.6wt.%, Ca content 0.7wt.%, Mn content 0.4wt.%, Cr content 0.2wt.%, and surplus is Fe.
Embodiment 3
As it is shown in figure 1, this utilizes the method that SILICA FUME produces Antaciron, it specifically comprises the following steps that
(1), after first adding the binding agent of SILICA FUME quality 8% and the water mix homogeneously of SILICA FUME quality 10% in SILICA FUME and little granule Silicon stone, under the pressure of 15t, it is pressed into pelletizing, wherein SiO in SILICA FUME2Content 86.3wt.%, Al2O3Content 1.2wt.%, little granule Silicon stone particle diameter is below 5mm, and addition is the 48% of SILICA FUME quality, and binding agent is coal tar, and pelletizing particle diameter is 100mm；
null(2) under reducing atmosphere，After the pelletizing that step (1) obtains is dried 4h under conditions of temperature is 150 DEG C，Dried pelletizing and carbonaceous reducing agent that mass ratio is 2.5:1.5 are loaded in the metallurgical furnace that surface temperature is 900 DEG C，Pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door，Then pelletizing and carbonaceous reducing agent smelt 1.2h under the conditions of metallurgical furnace high temperature regional temperature is 2000 DEG C，Steel cuttings is added in smelting process、Steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt，Wherein carbonaceous reducing agent is coal，Metallurgical furnace is mineral hot furnace，Steel cuttings、The addition of steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement，To obtain the Antaciron product meeting standard GB/T/T2272-2009；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
Above-mentioned external refining process is to remove impurity element by technological means such as air blowing, slag making to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Air blowing process is: being blown into metal or the nonmetallic inclusions such as a certain amount of chlorine, Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron in Antaciron melt, blow gas pressure is 6atm, and flow is 0.8hm3/ min, the time is 3h.
Slagging process is: add a certain amount of synthetic slag in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, the composition of synthetic slag includes quartz sand and fluorite, addition is the 25% of Antaciron melt amount, and the time is 5h.
This Antaciron product composition is Si content 91.2wt.%, Al content 0.3wt.%, Ca content 0.7wt.%, Mn content 0.2wt.%, Cr content 0.1wt.%, and surplus is Fe.
Embodiment 4
As it is shown in figure 1, this utilizes the method that SILICA FUME produces Antaciron, it specifically comprises the following steps that
(1), after first adding the binding agent of SILICA FUME quality 9% and the water mix homogeneously of SILICA FUME quality 8% in SILICA FUME and little granule Silicon stone, under the pressure of 18t, it is pressed into pelletizing, wherein SiO in SILICA FUME2Content 94.6wt.%, Al2O3Content 0.8wt.%, little granule Silicon stone particle diameter is below 5mm, and addition is the 48% of SILICA FUME quality, and binding agent is coal tar, and pelletizing particle diameter is 115mm；
null(2) under reducing atmosphere，After the pelletizing that step (1) obtains is dried 4h under conditions of temperature is 180 DEG C，Dried pelletizing and carbonaceous reducing agent that mass ratio is 2.8:1.2 are loaded in the metallurgical furnace that surface temperature is 900 DEG C，Pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door，Then pelletizing and carbonaceous reducing agent smelt 1.5h under the conditions of metallurgical furnace high temperature regional temperature is 2200 DEG C，Steel cuttings is added in smelting process、Steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt，Wherein carbonaceous reducing agent is petroleum coke，Metallurgical furnace is mineral hot furnace，Steel cuttings、The addition of steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement，To obtain the Antaciron product meeting standard GB/T/T2272-2009；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
Above-mentioned external refining process is to remove impurity element by technological means such as air blowing, slag making to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Air blowing process is: being blown into metal or the nonmetallic inclusions such as a certain amount of chlorine, Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron in Antaciron melt, blow gas pressure is 6atm, and flow is 0.8hm3/ min, the time is 2.5h.
Slagging process is: add a certain amount of synthetic slag in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, the composition of synthetic slag includes ferrum phosphorus and alkali metal oxide, addition is the 15% of Antaciron melt amount, and the time is 2.5h.
This Antaciron product composition is Si content 92.2wt.%, Al content 0.7wt.%, Ca content 0.3wt.%, Mn content 0.2wt.%, Cr content 0.1wt.%, and surplus is Fe.
Embodiment 5
As it is shown in figure 1, this utilizes the method that SILICA FUME produces Antaciron, it specifically comprises the following steps that
(1), after first adding the binding agent of SILICA FUME quality 7% and the water mix homogeneously of SILICA FUME quality 13% in SILICA FUME and little granule Silicon stone, under the pressure of 28t, it is pressed into pelletizing, wherein SiO in SILICA FUME2Content 82.6wt.%, Al2O3Content 1.8wt.%, little granule Silicon stone particle diameter is below 5mm, and addition is the 30% of SILICA FUME quality, and binding agent is wood fibre, and pelletizing particle diameter is 85mm；
null(2) under reducing atmosphere，After the pelletizing that step (1) obtains is dried 5.5h under conditions of temperature is 160 DEG C，Dried pelletizing and carbonaceous reducing agent that mass ratio is 2.7:1.0 are loaded in the metallurgical furnace that surface temperature is 1100 DEG C，Pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door，Then pelletizing and carbonaceous reducing agent smelt 1.8h under the conditions of metallurgical furnace high temperature regional temperature is 1900 DEG C，Steel cuttings is added in smelting process、Steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt，Wherein carbonaceous reducing agent is biomass，Metallurgical furnace is mineral hot furnace，Steel cuttings、The addition of steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement，To obtain the Antaciron product meeting standard GB/T/T2272-2009；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
Above-mentioned external refining process is to remove impurity element by slag making technological means to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Slagging process is: add a certain amount of synthetic slag in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, the composition of synthetic slag is quick lime, quartz sand and alkali metal oxide, addition is the 22% of Antaciron melt amount, and the time is 3h.
This Antaciron product composition is Si content 78.5wt.%, Al content 0.4wt.%, Ca content 0.7wt.%, Mn content 0.3wt.%, Cr content 0.2wt.%, and surplus is Fe.
Embodiment 6
As it is shown in figure 1, this utilizes the method that SILICA FUME produces Antaciron, it specifically comprises the following steps that
(1), after first adding the binding agent of SILICA FUME quality 8% and the water mix homogeneously of SILICA FUME quality 15% in SILICA FUME and little granule Silicon stone, under the pressure of 28t, it is pressed into pelletizing, wherein SiO in SILICA FUME2Content 83.6wt.%, Al2O3Content 1.7wt.%, little granule Silicon stone particle diameter is below 5mm, and addition is the 20% of SILICA FUME quality, and binding agent is coal tar, and pelletizing particle diameter is 55mm；
null(2) under reducing atmosphere，After the pelletizing that step (1) obtains is dried 0.5h under conditions of temperature is 280 DEG C，Dried pelletizing and carbonaceous reducing agent that mass ratio is 2.4:1.0 are loaded in the metallurgical furnace that surface temperature is 1000 DEG C，Pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door，Then pelletizing and carbonaceous reducing agent smelt 1.6h under the conditions of metallurgical furnace high temperature regional temperature is 1900 DEG C，Steel cuttings is added in smelting process、Steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt，Wherein carbonaceous reducing agent is biomass carbon，Metallurgical furnace is mineral hot furnace，Steel cuttings、The addition of steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement，To obtain the Antaciron product meeting standard GB/T/T2272-2009；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron.
Above-mentioned external refining process is to remove impurity element by technological means such as air blowing, slag making to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Air blowing process is: being blown into metal or the nonmetallic inclusions such as a certain amount of oxygen, Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron in Antaciron melt, blow gas pressure is 8atm, and flow is 1hm3/ min, the time is 5h.
Slagging process is: add a certain amount of synthetic slag in Antaciron melt, metal or the nonmetallic inclusions such as Al, Ca, C, S, Ti, P, Mn, Cr, Mg, Cu, V, the Ni in removal Antaciron, the composition of synthetic slag includes alkali metal oxide, addition is the 10% of Antaciron melt amount, and the time is 3h.
This Antaciron product composition is Si content 78.2wt.%, Al content 0.3wt.%, Ca content 0.4wt.%, Mn content 0.4wt.%, Cr content 0.2wt.%, and surplus is Fe.
Claims (8)
1. one kind utilizes the method that SILICA FUME produces Antaciron, it is characterised in that specifically comprise the following steps that
(1) first add in SILICA FUME and little granule Silicon stone SILICA FUME quality 2～the binding agent of 12% and SILICA FUME quality 3～15% water mix homogeneously after, under the pressure of 5～30t, be pressed into pelletizing；
(2) under reducing atmosphere, the pelletizing that step (1) obtains is dried under conditions of temperature is 100～300 DEG C, it is (2.4～3.0) by mass ratio: the dried pelletizing of (1.0～2.0) and carbonaceous reducing agent load in the metallurgical furnace that surface temperature is 800～1200 DEG C, pelletizing and carbonaceous reducing agent complete preroast during the decline arriving high-temperature area from metallurgical furnace fire door, then pelletizing and carbonaceous reducing agent smelt 0.5～2h under the conditions of metallurgical furnace high temperature regional temperature is 1800～2500 DEG C, steel cuttings is added in smelting process, steel rolling iron sheet and iron ore pellets iron-bearing material obtain Antaciron melt；
(3) the Antaciron melt that step (2) obtains can produce after external refining and obtain Antaciron；
Wherein for the particle diameter of generation during Antaciron and industrial silicon production, < first 20mm small particle silicon ore carries out classification by granularity, when small particle silicon ore particle diameter is below 5mm, can smelt directly as raw material in the method；When small particle silicon ore particle diameter is between 5～20mm, it is necessary to passing through and being crushed to particle diameter is below 5mm, could smelt as raw material in the method.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1, it is characterised in that: SiO in described SILICA FUME2Content is more than 80wt.%, Al2O3Content is less than 2wt.%.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1 and 2, it is characterised in that: described little granule Silicon stone particle diameter is below 5mm, and addition is less than the 50% of SILICA FUME quality.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1 and 2, it is characterised in that: described binding agent is one or more the arbitrary proportion mixture in coal tar, coal tar pitch, wood fibre.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1 and 2, it is characterised in that: the pelletizing particle diameter that described step (1) obtains is 25～150mm.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1 and 2, it is characterised in that: described carbonaceous reducing agent is coke, Linesless charcoal, coal, petroleum coke, biomass or biomass carbon.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1 and 2, it is characterised in that: described metallurgical furnace is mineral hot furnace.
The method utilizing SILICA FUME to produce Antaciron the most according to claim 1 and 2, it is characterized in that: the addition of described steel cuttings, steel rolling iron sheet and iron ore pellets iron-bearing material adjusts according to product requirement, to obtain the Antaciron product meeting standard GB/T/T2272-2009.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545060.7A CN103602846B (en) | 2013-11-07 | 2013-11-07 | A kind of method utilizing SILICA FUME to produce Antaciron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545060.7A CN103602846B (en) | 2013-11-07 | 2013-11-07 | A kind of method utilizing SILICA FUME to produce Antaciron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103602846A CN103602846A (en) | 2014-02-26 |
| CN103602846B true CN103602846B (en) | 2016-08-17 |
Family
ID=50121109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310545060.7A Active CN103602846B (en) | 2013-11-07 | 2013-11-07 | A kind of method utilizing SILICA FUME to produce Antaciron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103602846B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018104961A1 (en) * | 2016-12-06 | 2018-06-14 | Pankaj Jain | Postproduction treatment to prevent disintegration of ferro silicon |
| CN108147443B (en) * | 2018-02-07 | 2020-04-07 | 重庆大学 | Method for extracting aluminum oxide from fly ash and preparing ferro-silicon alloy |
| NO20180804A1 (en) * | 2018-06-11 | 2019-12-12 | Elkem Materials | Silicon based alloy, method for the production thereof and use of such alloy |
| CN113265536B (en) * | 2021-03-08 | 2023-08-18 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Method for recycling ferrosilicon metallurgy byproducts |
| CN113060736A (en) * | 2021-04-12 | 2021-07-02 | 昆明理工大学 | Method for preparing industrial silicon reducing agent by using biomass and additive to synergistically strengthen natural fermentation of petroleum coke |
| CN113502425B (en) * | 2021-06-29 | 2022-06-24 | 北京工业大学 | Method for preparing ferrosilicon alloy and microcrystalline glass from silicon slag and zinc rotary kiln slag |
| CN114438315A (en) * | 2022-02-10 | 2022-05-06 | 贵州理工学院 | Formula of micro silicon powder pellet binder |
| CN115029555B (en) * | 2022-06-14 | 2023-12-29 | 石嘴山市宝马兴庆特种合金有限公司 | Method for preparing ultralow-carbon silicon-based multi-element alloy by utilizing industrial solid waste production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462723A (en) * | 2009-01-05 | 2009-06-24 | 昆明理工大学 | Method for preparing high purity silicon aluminum silicon alloy by vacuum carbon thermal reduction |
| CN101560614A (en) * | 2009-06-03 | 2009-10-21 | 西安建筑科技大学 | Method for manufacturing ferrosilicon by silica fume, coke powder and oxidized sheet iron pressed compact |
| CN101906534A (en) * | 2010-08-09 | 2010-12-08 | 张先明 | Raw material processing technology for smelting ferrosilicon in submerged arc furnace |
| CN102627281A (en) * | 2012-04-27 | 2012-08-08 | 羊实 | Method for smelting metal silicon by using recycled silicon fines |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285739A (en) * | 2007-05-21 | 2008-11-27 | Isuzu Motors Ltd | Method for producing particle-dispersed aluminum alloy composite material, and method for regulating its composition |
-
2013
- 2013-11-07 CN CN201310545060.7A patent/CN103602846B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462723A (en) * | 2009-01-05 | 2009-06-24 | 昆明理工大学 | Method for preparing high purity silicon aluminum silicon alloy by vacuum carbon thermal reduction |
| CN101560614A (en) * | 2009-06-03 | 2009-10-21 | 西安建筑科技大学 | Method for manufacturing ferrosilicon by silica fume, coke powder and oxidized sheet iron pressed compact |
| CN101906534A (en) * | 2010-08-09 | 2010-12-08 | 张先明 | Raw material processing technology for smelting ferrosilicon in submerged arc furnace |
| CN102627281A (en) * | 2012-04-27 | 2012-08-08 | 羊实 | Method for smelting metal silicon by using recycled silicon fines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103602846A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103602846B (en) | A kind of method utilizing SILICA FUME to produce Antaciron | |
| CN108147443B (en) | Method for extracting aluminum oxide from fly ash and preparing ferro-silicon alloy | |
| CN110055370B (en) | High-temperature steel slag modifier and modification pretreatment process | |
| CN103725825A (en) | Aluminum industrial red mud-based dephosphorizing agent for converter steelmaking and preparation method thereof | |
| CN101532068B (en) | Blast furnace ironmaking production process by cyclically utilizing steel slag and iron slag in metallurgy and chemical industry | |
| CN102337396A (en) | Iron-smelting metallized pellets prepared by utilizing metallurgical dust and mud and production method thereof | |
| CN102912209B (en) | Process for producing bead ferronickel by rotary hearth furnace through coal-based reduction of red soil nickel oxide ores | |
| CN102344981A (en) | Separation and direct reduction process of iron and boron in boron-containing iron ore concentrate | |
| CN101109027A (en) | Method for producing ball iron with iron scale | |
| CN101538626A (en) | Method for directly producing nickel-bearing pig iron in rotary kilns by using laterite-nickel | |
| CN107586902B (en) | It is a kind of can effective reuse iron content waste resource blast furnace iron-making process | |
| CN103725877A (en) | Method for recycling converter steelmaking dust | |
| CN101633970A (en) | Method for producing molten iron for casting by using medium frequency furnace and iron scrap | |
| CN112080598A (en) | Method and system for comprehensively utilizing slag resources of iron and steel smelting and blast furnace slag tank | |
| CN104624377B (en) | Floatation technology of low-grade fluorite | |
| CN107142120A (en) | A kind of high response coke and preparation method thereof | |
| CN115679097B (en) | Method for recycling ironmaking gas ash by using converter slag and refining dust | |
| CN104046772A (en) | Method for making cooled agglomerated pellets by use of converter gas dry-method electrostatic precipitator | |
| CN106467935A (en) | A kind of copper ashes and the Application way of carbide slag | |
| CN103031409B (en) | Novel process of steelmaking deoxidization by utilizing precipitator dust of refining furnace | |
| CN103966383A (en) | Melting method of oxygen-enriched shaft furnace | |
| CN111286575A (en) | Reduction iron-making complexing agent and preparation method and application thereof | |
| CN1221675C (en) | New technology of copper convertor flue dust slag cluster smelting lead and its cluster formale | |
| WO2019196910A1 (en) | Iron oxide carbon-containing sintering-free mold brick for cupola and shaft furnace, preparation method therefor, and use thereof | |
| CN112126732B (en) | 3D printing-based method for directly preparing foundry pig iron by using iron concentrate powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |