CN110453025A - A kind of method that high calcium v-bearing steel slag smelts the rich vanadium pig iron - Google Patents
A kind of method that high calcium v-bearing steel slag smelts the rich vanadium pig iron Download PDFInfo
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- CN110453025A CN110453025A CN201910756431.3A CN201910756431A CN110453025A CN 110453025 A CN110453025 A CN 110453025A CN 201910756431 A CN201910756431 A CN 201910756431A CN 110453025 A CN110453025 A CN 110453025A
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- steel slag
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- bearing steel
- pig iron
- iron
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- 239000002893 slag Substances 0.000 title claims abstract description 67
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 66
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 229910000805 Pig iron Inorganic materials 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 23
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 21
- 239000011575 calcium Substances 0.000 title claims abstract description 21
- 241001417490 Sillaginidae Species 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052742 iron Inorganic materials 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003723 Smelting Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 6
- 239000011707 mineral Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000571 coke Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011449 brick Substances 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000003077 lignite Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 229910020442 SiO2—TiO2 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002989 correction material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/02—General features in the manufacture of pig-iron by applying additives, e.g. fluxing agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
A kind of method that high calcium v-bearing steel slag smelts the rich vanadium pig iron, belongs to the applied technical field of metallurgical slag, and with v-bearing steel slag and magnetic iron ore (or containing coulsonite) for raw material, suitable solvent is added, the submerged-arc smelting in short shaft mineral hot furnace in this method.This method can utilize rudimentary carbonaceous reducing agent, wherein be used as reducing agent of the granularity less than 20mm, and granularity is 20mm~80mm for forming " carbon residue floor " in arc burning area.According to furnace volume timing releasing iron deslagging, clinker and molten iron are separated, is the rich vanadium pig iron after molten iron is cooling.Wherein, the high calcium v-bearing steel slag is vanadium-bearing hot metal slag remaining after converter smelting.In v-bearing steel slag 90% vanadium enrichment can be obtained the rich vanadium pig iron by the present invention in the pig iron, carry out good recycling, and simple production process, strong operability to steel slag, production cost is low, convenient for being unfolded in the industrial production.
Description
Technical field
The invention belongs to the applied technical fields of metallurgical slag, and it is raw to especially relate to a kind of rich vanadium of high calcium v-bearing steel slag smelting
The method of iron.
Background technique
Vanadium is recycled from vanadium titano-magnetite, common method is that vanadium titano-magnetite is smelted to vanadium-bearing hot metal out in blast furnace,
Enter clinker after aoxidizing vanadium by selective oxidation molten iron again, finally obtains the higher v-bearing steel slag of content as vanadium extraction original
Material.Molten iron after vanadium extraction can generate a large amount of high calcium v-bearing steel slags in subsequent convertor steelmaking process, always as metallurgical solid waste
It could not be reasonably utilized, in terms of being mostly used in the inferior grades such as cement irony correction material, dry-mixed mortar and road surface aggregate
Using not only reducing the economic use value of v-bearing steel slag, also waste the resources such as vanadium, the iron in converter slag.
Chinese patent CN1320142C discloses a kind of enrichment method of vanadium in vanadium containing steel slag, which passes through in V-alloyed steel
The following additive of one or more of the quantity of slag 5%~16%: SiO2, Al2O3, mullite (3SiO22Al2O3) is added in slag,
And in aerial oxygen position or melt processed under the conditions of be higher than aerial oxygen position, it is then cooling, keep the temperature after v-bearing steel slag is taken out and in sky
Quenching in gas is enriched with and ties so that 80% or more the vanadium of Dispersed precipitate in v-bearing steel slag be made to be transferred in the cenotype rich in vanadium
Partial crystallization goes out to obtain the rich vanadium phase of rich vanadium phase grade, is conducive to vanadium from separation, the extraction in steel slag.But the patent only will be in vanadium slag
V2O5 be enriched with to obtain rich vanadium slag.
103484590 A of Chinese patent CN discloses a kind of method of rich vanadium pig iron of v-bearing steel slag smelting, by 63~67 parts
V-bearing steel slag, 14~18 parts of iron powders, 8~12 parts of silicas, 4~6 parts of carbon dusts and 3~4 parts of aluminum shots are added in smelting furnace, will be resulting
Mixed material heating melts and to separate clinker and molten iron after reaction, is the rich vanadium pig iron after molten iron is cooling.
But above-mentioned two scheme is big, at high cost to converter v-bearing steel slag progress ore dressing, the technical difficulty of smelting, it is difficult into
The effective method of row high-volume extracts the vanadium in v-bearing steel slag, causes the vanadium in converter slag always not by effective benefit
With.
Therefore, the new technical solution of one kind is needed in the prior art to solve the problems, such as this.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of method of rich vanadium pig iron of high calcium v-bearing steel slag smelting is provided, with
V-bearing steel slag and magnetic iron ore are raw material, suitable solvent are added, the submerged-arc smelting in short shaft mineral hot furnace；It can will be in v-bearing steel slag
90% vanadium enrichment obtains the rich vanadium pig iron in the pig iron, has carried out good recycling to steel slag, and simple production process, can grasp
The property made is strong, and production cost is low, convenient for being unfolded in the industrial production.
A kind of method that high calcium v-bearing steel slag smelts the rich vanadium pig iron, it is characterized in that: including the following steps, and following steps are suitable
Secondary progress,
Step 1: according to mass parts ratio, 42~57 parts of high calcium v-bearing steel slags are taken, 22~30 parts of vanadium titano-magnetites, 18~
20 parts of high-alumina brick grains, 10~13 parts of carbon, obtain raw material for standby after mixing；
Step 2: choosing electric furnace, 100mm~300mm thickness coke, power transmission striking, with coke is added to furnace bottom before blow-on power transmission
The mixed raw material that step 1 obtains, the secondary voltage determined according to electric furnace model are added as initial carbon-coating, after blow-on power transmission for charcoal
And power transmission system, when reaching power transmission system regulations electricity consumption, clinker and molten iron are mixed discharge by blow-on eye；
Step 3: clinker is separated with molten iron, vanadium-bearing hot metal is obtained, obtains pig iron containing vanadium after molten iron is cooling.
High calcium v-bearing steel slag is the steel slag that vanadium-bearing hot metal is removed through converter smelting heel row in the step 1, according to quality percentage
Than including 40%~44% CaO, 10%~14% SiO2, 19%~23% TFe, 9%~11% MgO, 3%~
4% V2O5, 0.7%~0.9% P, 1%~2% MnO, 1%~2.5% Al2O3And 0.3%~0.5%
TiO2, and the granularity of steel slag is less than 20mm.
In the step 1 iron content of vanadium titano-magnetite be mass fraction 55% or more, and granularity be 0.5mm~
30mm。
High-alumina brick grain contains 62% or more SiO according to mass parts ratio in the step 12, 15% or more Al2O3、
The MgO of 0.55% or more CaO and 1.2% or more, and the granularity of high-alumina brick grain is less than 30mm.
Carbon in the step 1 is the mixing of char particle, coke powder, semi-coke grain, anthracite or lignite, fixes carbon content and is
82% or more of mass fraction, and middle partial size is less than account for volume parts 60% of 20mm, partial size accounts for body for 20mm~60mm's
The 40% of product number.
Electric furnace in the step 2 is short shaft mineral hot furnace, and the power of furnace body transformer be 1800kVA~
66000kVA, voltage are 73V~200V.
The slag temperature of clinker is 1500 DEG C~1550 DEG C in the step 2, the tapping temperature of molten iron is 1450 DEG C~
1500℃。
Through the above design, the present invention can be brought the following benefits: a kind of rich vanadium of high calcium v-bearing steel slag smelting
Suitable solvent is added using v-bearing steel slag and magnetic iron ore as raw material in the method for the pig iron, the submerged-arc smelting in short shaft mineral hot furnace；
In v-bearing steel slag 90% vanadium enrichment can be obtained to the rich vanadium pig iron in the pig iron, good recycling has been carried out to steel slag, and raw
Production. art is simple, strong operability, and production cost is low, convenient for being unfolded in the industrial production, have highly important social benefit,
Environmental benefit and significant economic benefit.
Further, continuous charging, intermittent tapping, slag, the company of realization may be implemented using short shaft mineral hot furnace in the present invention
Continuous operation simultaneously improves production efficiency；
By carbonaceous reducing agent by the V in vanadium slag2O5It reverts in the pig iron and obtains the rich vanadium pig iron, vanadium iron easy to produce
Or the rich vanadium pig iron that substitution converter extracting vanadium is added.
Specific embodiment
A kind of method that high calcium v-bearing steel slag smelts the rich vanadium pig iron, is added before blow-on power transmission into EAF bottom for the first time
100mm~300mm thickness coke, power transmission striking, coke is as initial carbon-coating.Mixture charge is slowly added to after power transmission, according to the type of furnace
Select suitable secondary voltage and power transmission system, when planned supply and use of electric power amount to be achieved, the slag iron that can widen the view it is mixed go out.It is obtained after slag iron separation
Satisfactory vanadium-bearing hot metal.Molten iron vanadium content can be adjusted by raw material mix according to requirements.
Fixed carbon in carbonaceous reducing agent is 75wt%~85wt%.Specifically, carbonaceous reducing agent is char particle, coke powder, orchid
Carbon granule, anthracite, lignite, wherein wherein be used as reducing agent of the granularity less than 20mm, granularity are 20mm~80mm in electricity
Arc combustion zone forms " carbon residue layer ", the two proportionate relationship to high arc temperature discharge power.The dosage of carbonaceous reducing agent, according to FeO
Equal plans also commercial weight is adjusted.Qualified pig iron containing vanadium is only accurately just obtained with charcoal, if the dosage of carbonaceous reducing agent is not
It is enough, it will affect the reduction of vanadium, cannot get qualified pig iron containing vanadium；If the dosage of carbonaceous reducing agent is too many, TiO can be aggravated2、
SiO2Reduction and Low-valent Titanium formation, lead to furnace bottom rising.
It can change the duration of heat and yield by the power and voltage that control furnace transformer.Since different electric furnaces become
The power of depressor is different, then corresponding voltage is different, and the power of this technique furnace transformer can be 1800~33000kVA, right
The voltage answered then is 73V~180V.In actual mechanical process, if the power of furnace transformer not in this range, Ke Yigen
Corresponding voltage is adjusted according to actual conditions.
The present invention, which smelts, uses five yuan of slag systems: CaO-MgO-Al2O3-SiO2-TiO2, ternary basicity 1.2~1.8；MgO:
6%~12%；Al2O3: 9%~16%；TiO2: 0~33%.In order to control the mobility of Si, Ti content and slag in molten iron, press down
TiO processed2、SiO2Reduction and Low-valent Titanium formation, FeO control is 3% in slag.When FeO is greater than 4% reduction that will affect vanadium.Out
Partial oxidation iron sheet can be added after furnace, into furnace to prevent furnace bottom rising.
Embodiment one,
The raw materials for metallurgy composition quality score such as following table of selection
The reducing agent and solvent composition mass fraction such as following table of selection
First in 1800KVA electric furnace sky furnace, rebasing coke 2000kg is added；By South Africa vanadium titano-magnetite and v-bearing steel slag ratio
For 3:7 charge ratio, (it is 7.425% that wherein granularity is 5mm~15mm to mixed carbon comtent 12.38%, and granularity is that 30mm~60mm is
4.95%) oil shale waste slag is 31.6% as solvent dosage, is added in furnace after stirring；Adjust furnace transformer
(power 1800kVA) secondary output voltage is to deep low gear 73V；Primary current is slowly increased to 120A by 10A after energization, and 6 is small
When after come out of the stove；；Slag iron separation after coming out of the stove, obtains slag and pig iron containing vanadium.
The phosphoric pig iron ingredient such as following table of acquisition
Embodiment two,
In following charge ratios, it is added in furnace after stirring；It adjusts furnace transformer (power 1800kVA)
Secondary output voltage is to deep low gear 73V；Primary current is slowly increased to 120A by 10A after energization, comes out of the stove after 6 hours；After coming out of the stove
Slag iron separation, obtain the rich vanadium pig iron.
The product composition of acquisition such as following table
| V | Ti | C | S | Fe | Si | P | Power consumption |
| 1.89 | 0.9 | 3.98 | 0.045 | 0.45 | 1.469 | 11820 |
The above is only the preferred embodiments of the invention, and present invention is not limited to this.Those skilled in the art can
To carry out various changes and improvements according to the system, and all these variations obtain protection scope of the invention.
Claims (7)
1. a kind of method that high calcium v-bearing steel slag smelts the rich vanadium pig iron, it is characterized in that: including the following steps, and following steps are sequentially
It carries out,
Step 1: according to mass parts ratio, 42~57 parts of high calcium v-bearing steel slags are taken, 22~30 parts of vanadium titano-magnetites, 18~20 parts
High-alumina brick grain, 10~13 parts of carbon, obtains raw material for standby after mixing；
Step 2: choosing electric furnace, 100mm~300mm thickness coke is added to furnace bottom before blow-on power transmission, power transmission striking is made with coke
It is added the mixed raw material that step 1 obtains for initial carbon-coating, after blow-on power transmission, the secondary voltage determined according to electric furnace model and send
Electric system, when reaching power transmission system regulations electricity consumption, clinker and molten iron are mixed discharge by blow-on eye；
Step 3: clinker is separated with molten iron, vanadium-bearing hot metal is obtained, obtains pig iron containing vanadium after molten iron is cooling.
2. the method that a kind of high calcium v-bearing steel slag according to claim 1 smelts the rich vanadium pig iron, it is characterized in that: the step
High calcium v-bearing steel slag is the steel slag that removes through converter smelting heel row of vanadium-bearing hot metal in one, according to mass percent, including 40%~
44% CaO, 10%~14% SiO2, 19%~23% TFe, 9%~11% MgO, 3%~4% V2O5, 0.7%
~0.9% P, 1%~2% MnO, 1%~2.5% Al2O3And 0.3%~0.5% TiO2, and the granularity of steel slag
Less than 20mm.
3. the method that a kind of high calcium v-bearing steel slag according to claim 1 smelts the rich vanadium pig iron, it is characterized in that: the step
The iron content of vanadium titano-magnetite is 55% or more of mass fraction in one, and granularity is 0.5mm~30mm.
4. the method that a kind of high calcium v-bearing steel slag according to claim 1 smelts the rich vanadium pig iron, it is characterized in that: the step
High-alumina brick grain contains 62% or more SiO according to mass parts ratio in one2, 15% or more Al2O3, 0.55% or more CaO
And 1.2% or more MgO, and the granularity of high-alumina brick grain be less than 30mm.
5. the method that a kind of high calcium v-bearing steel slag according to claim 1 smelts the rich vanadium pig iron, it is characterized in that: the step
Carbon in one is the mixing of char particle, coke powder, semi-coke grain, anthracite or lignite, fix 82% that carbon content is mass fraction with
On, and middle partial size is less than account for volume parts 60% of 20mm, partial size is account for volume parts 40% of 20mm~60mm.
6. the method that a kind of high calcium v-bearing steel slag according to claim 1 smelts the rich vanadium pig iron, it is characterized in that: the step
Electric furnace in two is short shaft mineral hot furnace, and the power of furnace body transformer is 1800kVA~66000kVA, voltage be 73V~
200V。
7. the method that a kind of high calcium v-bearing steel slag according to claim 1 smelts the rich vanadium pig iron, it is characterized in that: the step
The slag temperature of clinker is 1500 DEG C~1550 DEG C in two, and the tapping temperature of molten iron is 1450 DEG C~1500 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235331A (en) * | 2020-01-17 | 2020-06-05 | 吉林省金源科技有限公司 | Production method of silicon-manganese-vanadium composite alloy |
| CN111394647A (en) * | 2020-04-24 | 2020-07-10 | 中冶东方工程技术有限公司 | Vanadium-containing pig iron and method for preparing vanadium-containing pig iron by smelting vanadium-containing steel slag |
| CN111440988A (en) * | 2020-05-21 | 2020-07-24 | 中冶东方工程技术有限公司 | Silicon-vanadium alloy production method and silicon-vanadium alloy |
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| CN103484590A (en) * | 2013-09-03 | 2014-01-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for smelting vanadium-rich pig iron from vanadium-containing steel slag |
| CN109943719A (en) * | 2019-04-19 | 2019-06-28 | 冉显俊 | The method for preparing titanium slag and pig iron containing vanadium simultaneously as raw material using vanadium titano-magnetite |
-
2019
- 2019-08-16 CN CN201910756431.3A patent/CN110453025A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103484590A (en) * | 2013-09-03 | 2014-01-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for smelting vanadium-rich pig iron from vanadium-containing steel slag |
| CN109943719A (en) * | 2019-04-19 | 2019-06-28 | 冉显俊 | The method for preparing titanium slag and pig iron containing vanadium simultaneously as raw material using vanadium titano-magnetite |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235331A (en) * | 2020-01-17 | 2020-06-05 | 吉林省金源科技有限公司 | Production method of silicon-manganese-vanadium composite alloy |
| CN111394647A (en) * | 2020-04-24 | 2020-07-10 | 中冶东方工程技术有限公司 | Vanadium-containing pig iron and method for preparing vanadium-containing pig iron by smelting vanadium-containing steel slag |
| CN111440988A (en) * | 2020-05-21 | 2020-07-24 | 中冶东方工程技术有限公司 | Silicon-vanadium alloy production method and silicon-vanadium alloy |
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