CN103937930B - A kind of refining agent for steel alloy melting and preparation method thereof - Google Patents
A kind of refining agent for steel alloy melting and preparation method thereof Download PDFInfo
- Publication number
- CN103937930B CN103937930B CN201410143309.6A CN201410143309A CN103937930B CN 103937930 B CN103937930 B CN 103937930B CN 201410143309 A CN201410143309 A CN 201410143309A CN 103937930 B CN103937930 B CN 103937930B
- Authority
- CN
- China
- Prior art keywords
- parts
- powder
- refining agent
- steel alloy
- oxide
- 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.)
- Expired - Fee Related
Links
- 238000007670 refining Methods 0.000 title claims abstract description 36
- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 21
- 238000002844 melting Methods 0.000 title claims abstract description 17
- 230000008018 melting Effects 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 16
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 16
- -1 rare earth fluoride Chemical class 0.000 claims abstract description 15
- 229910001610 cryolite Inorganic materials 0.000 claims abstract description 14
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 12
- 239000010433 feldspar Substances 0.000 claims abstract description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000004575 stone Substances 0.000 claims abstract description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 10
- RHLHWKJAIYFTPJ-UHFFFAOYSA-N [F].[K].[Zr] Chemical compound [F].[K].[Zr] RHLHWKJAIYFTPJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- QVOIJBIQBYRBCF-UHFFFAOYSA-H yttrium(3+);tricarbonate Chemical compound [Y+3].[Y+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O QVOIJBIQBYRBCF-UHFFFAOYSA-H 0.000 claims abstract description 10
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims abstract description 8
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 8
- 229940045511 barium chloride Drugs 0.000 claims abstract description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 8
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 8
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 8
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 8
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 238000001354 calcination Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000012286 potassium permanganate Substances 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a kind of refining agent for steel alloy melting and preparation method thereof, be made up of the raw material of following weight part: kaolin 14-16 part, feldspar in powder 3-4 part, medical stone powder 1-2 part, cryolite powder 1.5-3 part, light calcium carbonate 2-3 part, zinc oxide 2-3 part, Calcium Fluoride (Fluorspan) 5-6 part, bariumchloride 1-2 part, Tai-Ace S 150 3-4 part, manganese oxide 1-2 part, Starso 1.5-3 part, nano silicon 2.5-3.5 part, rare earth fluoride 5-7 part, titanium sponge 0.2-0.4 part, yttrium carbonate 0.8-1.2 part, fluorine zirconium potassium 0.5-0.7 part, cerium oxide 2-4 part, tree ash 6-8 part.Rare earth fluoride, yttrium carbonate, fluorine zirconium potassium is added in refining agent of the present invention, increase the ree content in steel alloy, be conducive to mechanical property and the corrosion resistance nature of carrying heavy alloyed inclusion removal rate and alloy, add cryolite powder, titanium sponge, strong adsorption is had to the oxide inclusion in melt, can removal of inclusions to sink rapidly slag making effectively, improve residue eliminating performance.
Description
Technical field
The present invention relates to field of metal preparation, particularly relate to a kind of refining agent for steel alloy melting and preparation method thereof.
Background technology
In steel alloy, sulphur, phosphorus easily produce segregation, serious reduction steel impelling strength, weldability, cracking resistance and anti-pleat at the crystal boundary of steel.Particularly the fine steel grade such as Cryogenic Steel, marine steel, high-ductility steel, stricter to the content requirement of the sulphur in steel, phosphorus.The elements such as the phosphorus in steel alloy, sulphur, oxygen, become the major reason of restriction alloy material performance, particularly phosphorus can cause the cold short of material, sulphur and oxygen then cause the hot tearing of material, harm is brought to material property, the molten steel smelted carries out external refining, reduces sulphur, phosphorus content in steel, for improve steel quality product, expand range of product, reduce production cost tool and be of great significance.Steel is in smelting process, for oxygen, sulphur and other impurity etc. removed in molten steel carry out refining to molten steel, what generally adopt is throw in refining agent in molten steel, but at present refining agent still to there is desulfurization dephosphorization ability not high, the problem that sludging time is long, slagging-off efficiency is low, applicable surface is narrow.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of desulfurization dephosphorization efficiency high, refining agent for steel alloy melting that slagging-off efficiency is high and preparation method thereof, uses this refining agent significantly can improve mechanical property and the corrosion resistance nature of alloy, and shortens refining time.
The present invention adopts following technical scheme to achieve these goals:
For a refining agent for steel alloy melting, be made up of the raw material of following weight part: kaolin 14-16 part, feldspar in powder 3-4 part, medical stone powder 1-2 part, cryolite powder 1.5-3 part, light calcium carbonate 2-3 part, zinc oxide 2-3 part, Calcium Fluoride (Fluorspan) 5-6 part, bariumchloride 1-2 part, Tai-Ace S 150 3-4 part, manganese oxide 1-2 part, Starso 1.5-3 part, nano silicon 2.5-3.5 part, rare earth fluoride 5-7 part, titanium sponge 0.2-0.4 part, yttrium carbonate 0.8-1.2 part, fluorine zirconium potassium 0.5-0.7 part, cerium oxide 2-4 part, tree ash 6-8 part.
Preferably, the described refining agent for steel alloy melting, is made up of the raw material of following weight part: kaolin 15 parts, feldspar in powder 3 parts, medical stone powder 2 parts, cryolite powder 2 parts, light calcium carbonate 2.5 parts, 2 parts, zinc oxide, 5 parts, Calcium Fluoride (Fluorspan), bariumchloride 1.5 parts, 3 parts, Tai-Ace S 150, manganese oxide 1.5 parts, Starso 2 parts, nano silicon 3 parts, rare earth fluoride 6 parts, titanium sponge 0.3 part, yttrium carbonate 1 part, 0.6 part, fluorine zirconium potassium, cerium oxide 3 parts, tree ash 7 parts.
The preparation method of the described refining agent for steel alloy melting, comprises following preparation process:
(1) the kaolin 8-10% sulfuric acid of above-mentioned weight part is soaked 5 hours, deionized water wash, then soak 5 hours with 10-12% sodium hydroxide solution, then with deionized water wash to neutral, then calcine 2 hours at 550-600 DEG C, be ground into nanometer powder;
(2) feldspar in powder of above-mentioned weight part, medical stone powder, cryolite powder, tree ash are joined in 1.2g/L potassium permanganate solution and soak, removing impurity, then filtration washing be neutrality, 400-450 DEG C of temperature lower calcination 2 hours, grind into powder again, is incubated 2 hours at 50-60 DEG C of temperature;
(3) mixed by other raw materials, be warming up to 550-600 DEG C, all stir 30 minutes after fusing, and be incubated 1-3 hour, then make furnace temperature rise to 750-850 DEG C, stir 30 minutes, insulation 1-2 hour, cooled and solidified becomes block, then is ground into 200 object powder;
(4) by the mixing of materials that step (1), step (2), step (3) obtain, stir, pack.
When refining agent of the present invention is used for refined alloy steel, refining temperature is 660-700 DEG C, and add-on is 1.0-1.2kg/ ton.
Compared with the prior art, beneficial effect of the present invention is as follows:
Magnesium chloride interactional with rare earth element is not had in refining agent of the present invention, but add rare earth fluoride, yttrium carbonate, fluorine zirconium potassium, the ree content in steel alloy can be increased, be conducive to mechanical property and the corrosion resistance nature of carrying heavy alloyed inclusion removal rate and alloy, add cryolite powder, titanium sponge, strong adsorption is had to the oxide inclusion in melt, can removal of inclusions to sink rapidly slag making effectively, improve residue eliminating performance.Use this refining agent effectively can improve refining efficiency, significantly improve mechanical property and the corrosion resistance nature of alloy.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
For a refining agent for steel alloy melting, be made up of the raw material of following weight part: kaolin 15 parts, feldspar in powder 3 parts, medical stone powder 2 parts, cryolite powder 2 parts, light calcium carbonate 2.5 parts, 2 parts, zinc oxide, 5 parts, Calcium Fluoride (Fluorspan), bariumchloride 1.5 parts, 3 parts, Tai-Ace S 150, manganese oxide 1.5 parts, Starso 2 parts, nano silicon 3 parts, rare earth fluoride 6 parts, titanium sponge 0.3 part, yttrium carbonate 1 part, 0.6 part, fluorine zirconium potassium, cerium oxide 3 parts, tree ash 7 parts.
The preparation method of the described refining agent for steel alloy melting, comprises following preparation process:
(1) kaolin of above-mentioned weight part 9% sulfuric acid is soaked 5 hours, deionized water wash, then soak 5 hours with 11% sodium hydroxide solution, then with deionized water wash to neutral, then calcine 2 hours at 600 DEG C, be ground into nanometer powder;
(2) feldspar in powder of above-mentioned weight part, medical stone powder, cryolite powder, tree ash are joined in 1.2g/L potassium permanganate solution and soak, removing impurity, then filtration washing be neutrality, 450 DEG C of temperature lower calcinations 2 hours, grind into powder again, is incubated 2 hours at 60 DEG C of temperature;
(3) mixed by other raw materials, be warming up to 600 DEG C, all stir 30 minutes after fusing, and be incubated 2 hours, then make furnace temperature rise to 800 DEG C, stir 30 minutes, be incubated 2 hours, cooled and solidified becomes block, then is ground into 200 object powder;
(4) by the mixing of materials that step (1), step (2), step (3) obtain, stir, pack.
Embodiment 2:
For a refining agent for steel alloy melting, be made up of the raw material of following weight part: kaolin 14 parts, feldspar in powder 3 parts, medical stone powder 1 part, cryolite powder 1.5 parts, light calcium carbonate 2 parts, 2 parts, zinc oxide, 5 parts, Calcium Fluoride (Fluorspan), bariumchloride 1 part, 3 parts, Tai-Ace S 150, manganese oxide 1 part, Starso 1.5 parts, nano silicon 2.5 parts, rare earth fluoride 5 parts, titanium sponge 0.2 part, yttrium carbonate 0.8 part, 0.5 part, fluorine zirconium potassium, cerium oxide 2 parts, tree ash 6 parts.
The preparation method of the described refining agent for steel alloy melting, comprises following preparation process:
(1) kaolin of above-mentioned weight part 8% sulfuric acid is soaked 5 hours, deionized water wash, then soak 5 hours with 10% sodium hydroxide solution, then with deionized water wash to neutral, then calcine 2 hours at 550 DEG C, be ground into nanometer powder;
(2) feldspar in powder of above-mentioned weight part, medical stone powder, cryolite powder, tree ash are joined in 1.2g/L potassium permanganate solution and soak, removing impurity, then filtration washing be neutrality, 450 DEG C of temperature lower calcinations 2 hours, grind into powder again, is incubated 2 hours at 50 DEG C of temperature;
(3) mixed by other raw materials, be warming up to 550 DEG C, all stir 30 minutes after fusing, and be incubated 1 hour, then make furnace temperature rise to 750 DEG C, stir 30 minutes, be incubated 1 hour, cooled and solidified becomes block, then is ground into 200 object powder;
(4) by the mixing of materials that step (1), step (2), step (3) obtain, stir, pack.
Embodiment 3:
For a refining agent for steel alloy melting, be made up of the raw material of following weight part: kaolin 16 parts, feldspar in powder 4 parts, medical stone powder 2 parts, cryolite powder 3 parts, light calcium carbonate 3 parts, 3 parts, zinc oxide, 6 parts, Calcium Fluoride (Fluorspan), bariumchloride 2 parts, 4 parts, Tai-Ace S 150, manganese oxide 2 parts, Starso 3 parts, nano silicon 3.5 parts, rare earth fluoride 7 parts, titanium sponge 0.4 part, yttrium carbonate 1.2 parts, 0.7 part, fluorine zirconium potassium, cerium oxide 4 parts, tree ash 8 parts.
The preparation method of the described refining agent for steel alloy melting, comprises following preparation process:
(1) kaolin of above-mentioned weight part 10% sulfuric acid is soaked 5 hours, deionized water wash, then soak 5 hours with 12% sodium hydroxide solution, then with deionized water wash to neutral, then calcine 2 hours at 600 DEG C, be ground into nanometer powder;
(2) feldspar in powder of above-mentioned weight part, medical stone powder, cryolite powder, tree ash are joined in 1.2g/L potassium permanganate solution and soak, removing impurity, then filtration washing be neutrality, 450 DEG C of temperature lower calcinations 2 hours, grind into powder again, is incubated 2 hours at 60 DEG C of temperature;
(3) mixed by other raw materials, be warming up to 600 DEG C, all stir 30 minutes after fusing, and be incubated 3 hours, then make furnace temperature rise to 850 DEG C, stir 30 minutes, be incubated 2 hours, cooled and solidified becomes block, then is ground into 200 object powder;
(4) by the mixing of materials that step (1), step (2), step (3) obtain, stir, pack.
Test example:
200Kg induction furnace melting.
(1) 160Kg low-carbon waste steel is joined induction furnace, energising fusing, then adds ferromanganese, ferrosilicon carries out alloying;
(2) measure activity oxygen in molten steel with apparatus for determination of oxygen, sampling molten steel, is initial sample;
(3) add refining agent 2.5kg prepared by the embodiment of the present invention 1, refining 5 minutes at 700 DEG C of temperature, to sampling steel, is sample after refining;
(4) tap.
Get traditional refining agent in addition to test equally.
Refining agent of the present invention and traditional refining agent effect comparison are as following table:
As seen from the above table, refining agent of the present invention effectively improves refining efficiency.
Claims (2)
1. for a refining agent for steel alloy melting, it is characterized in that: be made up of the raw material of following weight part: kaolin 14-16 part, feldspar in powder 3-4 part, medical stone powder 1-2 part, cryolite powder 1.5-3 part, light calcium carbonate 2-3 part, zinc oxide 2-3 part, Calcium Fluoride (Fluorspan) 5-6 part, bariumchloride 1-2 part, Tai-Ace S 150 3-4 part, manganese oxide 1-2 part, Starso 1.5-3 part, nano silicon 2.5-3.5 part, rare earth fluoride 5-7 part, titanium sponge 0.2-0.4 part, yttrium carbonate 0.8-1.2 part, fluorine zirconium potassium 0.5-0.7 part, cerium oxide 2-4 part, tree ash 6-8 part.
2. the refining agent for steel alloy melting according to claim 1, is characterized in that: be made up of the raw material of following weight part: kaolin 15 parts, feldspar in powder 3 parts, medical stone powder 2 parts, cryolite powder 2 parts, light calcium carbonate 2.5 parts, 2 parts, zinc oxide, 5 parts, Calcium Fluoride (Fluorspan), bariumchloride 1.5 parts, 3 parts, Tai-Ace S 150, manganese oxide 1.5 parts, Starso 2 parts, nano silicon 3 parts, rare earth fluoride 6 parts, titanium sponge 0.3 part, yttrium carbonate 1 part, 0.6 part, fluorine zirconium potassium, cerium oxide 3 parts, tree ash 7 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143309.6A CN103937930B (en) | 2014-04-10 | 2014-04-10 | A kind of refining agent for steel alloy melting and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143309.6A CN103937930B (en) | 2014-04-10 | 2014-04-10 | A kind of refining agent for steel alloy melting and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103937930A CN103937930A (en) | 2014-07-23 |
| CN103937930B true CN103937930B (en) | 2016-04-13 |
Family
ID=51185795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410143309.6A Expired - Fee Related CN103937930B (en) | 2014-04-10 | 2014-04-10 | A kind of refining agent for steel alloy melting and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103937930B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561736A (en) * | 2014-12-29 | 2015-04-29 | 芜湖国鼎机械制造有限公司 | High-strength gray cast iron, casting and preparation method of high-strength gray cast iron |
| CN104630416B (en) * | 2015-02-06 | 2017-03-29 | 铜陵百荣新型材料铸件有限公司 | A kind of refining agent and preparation method for producing spring steel external refining |
| CN104593629A (en) * | 2015-02-08 | 2015-05-06 | 浙江同诚合金铜管有限公司 | Copper alloy pipe fusion covering agent |
| CN105648302A (en) * | 2016-02-26 | 2016-06-08 | 铜陵安东铸钢有限责任公司 | Refining agent for nickel-iron alloy steel smelting and preparation method thereof |
| CN107858021A (en) * | 2017-10-31 | 2018-03-30 | 枞阳县新天地高新材料有限公司 | A kind of interfacial agent for powdery paints |
| CN111471830A (en) * | 2020-04-09 | 2020-07-31 | 江苏嘉耐高温材料股份有限公司 | Steel-making refining slag containing yttrium fluoride, preparation method and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363701A (en) * | 2001-12-11 | 2002-08-14 | 上海交通大学 | Refining agent of Mg alloy and its preparing process |
| CN1974794A (en) * | 2006-12-19 | 2007-06-06 | 北京科技大学 | Method of treating molten steel with lime and RE fluoride |
| CN103602911A (en) * | 2013-11-20 | 2014-02-26 | 滁州学院 | High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof |
-
2014
- 2014-04-10 CN CN201410143309.6A patent/CN103937930B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363701A (en) * | 2001-12-11 | 2002-08-14 | 上海交通大学 | Refining agent of Mg alloy and its preparing process |
| CN1974794A (en) * | 2006-12-19 | 2007-06-06 | 北京科技大学 | Method of treating molten steel with lime and RE fluoride |
| CN103602911A (en) * | 2013-11-20 | 2014-02-26 | 滁州学院 | High-temperature resistant and wear-resistant alloy steel lining plate material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103937930A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103937930B (en) | A kind of refining agent for steel alloy melting and preparation method thereof | |
| CN102433438B (en) | Treatment method of scrap copper | |
| CN104120304B (en) | A kind of method preparing titanium aluminum alloy based on aluminothermy self-propagating-winding-up drastic reduction | |
| CN101928847B (en) | Process for smelting magnesium alloy | |
| CN105624438B (en) | A kind of method using poor manganese slag refining ferromanganese alloy | |
| CN103981388A (en) | Tin bronze smelting slagging constituent and application method thereof | |
| CN107555435A (en) | A kind of method that carbon thermal reduction titanium-containing blast furnace slag prepares titanium carbide | |
| CN101220413A (en) | Technique for smelting ferroferrite with sponge iron | |
| CN101555554A (en) | Copper smelting agent and manufacture process thereof | |
| CN103602830A (en) | Preparation method of refining agent for scrap aluminum smelting | |
| CN103103398A (en) | Smelting preparation method for anti-tarnishing aluminum alloy section bar | |
| CN102839292A (en) | Aluminum iron alloy with ultra-low carbon, ultra-low titanium and high silicon contents for deoxidizing aluminum silicon killed steel and manufacturing method of aluminum iron alloy | |
| CN103643094A (en) | Smelting method of high-carbon ferromanganese | |
| CN103643056A (en) | Smelting method of low-carbon ferromanganese | |
| CN105018736B (en) | Magnesium, aluminium, chromium, the method for iron synthetical recovery in a kind of carbon ferrochrome metallurgical slag | |
| CN106834880B (en) | A kind of preparation method of ferro-titanium | |
| CN104862451A (en) | Method for applying nano molten iron purifying modificator to austenitic ductile iron cast ball | |
| CN101864518B (en) | Production method of low-phosphorous ferrovanadium | |
| CN103602882A (en) | Pouring molten iron and smelting process of natural gas powered cylinder | |
| CN110923442B (en) | Method for recovering titanium and iron from ilmenite | |
| CN105648302A (en) | Refining agent for nickel-iron alloy steel smelting and preparation method thereof | |
| CN102887542B (en) | Method for preparing acid soluble titanium slag by leaching direct reduction molten slag in hydrochloric acid | |
| CN102827999A (en) | Magnesium deoxidation composite powder for molten steel deoxidation and preparation method thereof | |
| CN102230115A (en) | Manganese-base vanadium-containing MnAlV alloy smelted by high-phosphorus manganese ores and smelting method thereof | |
| CN103642990B (en) | Molten steel dearsenication fluxing agent, and preparation method and application method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180821 Address after: 116000 Xiao Lu Village, Kowloon Street office, Wafangdian City City, Dalian, Liaoning Patentee after: Dalian Kawei Heavy Industry Co.,Ltd. Address before: 244000 Anhui Tongling Bridge Economic Development Zone cross port logistics park Patentee before: TONGLING NANJIANG XINGANG INDUSTRIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116000 Xiao Lu Village, Kowloon Street office, Wafangdian City City, Dalian, Liaoning Patentee after: DALIAN XINDA TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 116000 Xiao Lu Village, Kowloon Street office, Wafangdian City City, Dalian, Liaoning Patentee before: Dalian Kawei Heavy Industry Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |