CN105506228A - Production method of refining agent for secondary refining of hardened and tempered steel - Google Patents
Production method of refining agent for secondary refining of hardened and tempered steel Download PDFInfo
- Publication number
- CN105506228A CN105506228A CN201610025507.1A CN201610025507A CN105506228A CN 105506228 A CN105506228 A CN 105506228A CN 201610025507 A CN201610025507 A CN 201610025507A CN 105506228 A CN105506228 A CN 105506228A
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- parts
- refining
- tempered steel
- refining agent
- production method
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/076—Use of slags or fluxes as treating agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a production method of a refining agent for secondary refining of hardened and tempered steel. The refining agent is prepared from, by weight, 15-20 parts of potassium chloride, 5-8 parts of sodium carbonate, 12-18 parts of sodium sulfate, 5-10 parts of hexafluorobenzene, 20-30 parts of calcium oxide, 8-10 parts of calcium fluoride, 5-8 parts of barium chloride, 5-8 parts of magnesium chloride, 10-15 parts of waste aluminum powder, 5-10 parts of magnesium oxide, 3-5 parts of rare earth, 5-8 parts of bauxite, 5-8 parts of diatom ooze, 10-15 parts of bentonite and 6-8 parts of pyrophyllite. Compared with the prior art, the refining agent is good in chemical stability, desulfurization and dephosphorization effects and slagging performance, strong in degassing and impurity removal capacity and capable of significantly improving the mechanical property and corrosion resistance of the hardened and tempered steel; meanwhile, the processes of simple mechanical crushing, mixing and pelleting are adopted, the preparation technology is simple, and the cost is low.
Description
Technical field
The present invention relates to quenched and tempered steel production technical field, specifically a kind of production method of quenched and tempered steel external refining refining agent.
Background technology
The development of steel alloy has had the history of more than 100 year, and up to the present, diversified steel alloy is industrially employed, and mainly contains with Types Below: quenched and tempered steel, spring steel, tool steel, rapid steel, die steel, high, normal, basic carbon alloy steel etc.In quenched and tempered steel production process, in order to improve quality and the productivity of product, needing to use refining agent during external refining and desulfurization, dephosphorization, the removal of impurity are carried out to molten steel, to reach the object reducing steel water oxygen, sulphur and inclusion content.Current refining agent poor performance, the ability of desulfurization, dephosphorization, dross inclusion adsorption is not high, and cost is high.
Summary of the invention
The present invention aims to provide a kind of production method of quenched and tempered steel external refining refining agent.
For realizing described object, the invention provides following technical scheme:
A production method for quenched and tempered steel external refining refining agent, it is made up of the raw material of following weight part: Repone K 15-20 part, sodium carbonate 5-8 part, sodium sulfate 12-18 part, phenyl-hexafluoride 5-10 part, calcium oxide 20-30 part, Calcium Fluoride (Fluorspan) 8-10 part, bariumchloride 5-8 part, magnesium chloride 5-8 part, aluminium scrap powder 10-15 part, magnesium oxide 5-10 part, rare earth 3-5 part, bauxitic clay 5-8 part, diatom ooze 5-8 part, wilkinite 10-15 part, agalmatolite 6-8 part.
A production method for quenched and tempered steel external refining refining agent as claimed in claim 1, comprises the following steps:
(1) take each raw material of above-mentioned parts by weight, respectively various raw material crushing is become the particle of 10-30mm;
(2) prepared burden by the content of above-mentioned various crushed particles by regulation, add in stirrer, churning time is 20-30 minute, fully mixes;
(3) add silane resin acceptor kh-550 and nano-carbon powder to above-mentioned homomixture material, after mixing, under 8-15Mpa, be pressed into base;
(4) in the stoving oven of 450-600 DEG C, calcine 3-5 hour, be cooled to room temperature, then be ground into 150-250 order;
(5) above-mentioned powder pulverized powder 250 mesh sieves are carried out process of sieving, can obtain.
Compared with prior art, the invention has the beneficial effects as follows: refining agent chemical stability of the present invention is good, desulfurization, dephosphorization effect are good, slag making performance is good, degasification, purification capacity are strong, can significantly improve mechanical property and the corrosion resistance nature of quenched and tempered steel steel, and the present invention simultaneously adopts the operation of simple Mechanical Crushing, mixing and granulation, preparation technology is simple, and cost is low.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The production method of embodiment 1 one kinds of quenched and tempered steel external refining refining agents, it is made up of the raw material of following weight part: 15 parts, Repone K, 5 parts, sodium carbonate, 12 parts, sodium sulfate, phenyl-hexafluoride 5 parts, 20 parts, calcium oxide, 8 parts, Calcium Fluoride (Fluorspan), bariumchloride 5 parts, 5 parts, magnesium chloride, 10 parts, aluminium scrap powder, 5 parts, magnesium oxide, rare earth 3 parts, bauxitic clay 5 parts, diatom ooze 5 parts, wilkinite 10 parts, agalmatolite 6 parts.
A production method for quenched and tempered steel external refining refining agent as claimed in claim 1, comprises the following steps:
(1) take each raw material of above-mentioned parts by weight, respectively various raw material crushing is become the particle of 10-30mm;
(2) prepared burden by the content of above-mentioned various crushed particles by regulation, add in stirrer, churning time is 20-30 minute, fully mixes;
(3) add silane resin acceptor kh-550 and nano-carbon powder to above-mentioned homomixture material, after mixing, under 8-15Mpa, be pressed into base;
(4) in the stoving oven of 450-600 DEG C, calcine 3-5 hour, be cooled to room temperature, then be ground into 150-250 order;
(5) above-mentioned powder pulverized powder 250 mesh sieves are carried out process of sieving, can obtain.
The production method of embodiment 2 one kinds of quenched and tempered steel external refining refining agents, it is made up of the raw material of following weight part: 20 parts, Repone K, 8 parts, sodium carbonate, 18 parts, sodium sulfate, phenyl-hexafluoride 10 parts, 30 parts, calcium oxide, 10 parts, Calcium Fluoride (Fluorspan), bariumchloride 8 parts, 8 parts, magnesium chloride, 15 parts, aluminium scrap powder, 10 parts, magnesium oxide, rare earth 5 parts, bauxitic clay 8 parts, diatom ooze 8 parts, wilkinite 15 parts, agalmatolite 8 parts.
A production method for quenched and tempered steel external refining refining agent as claimed in claim 1, comprises the following steps:
(1) take each raw material of above-mentioned parts by weight, respectively various raw material crushing is become the particle of 10-30mm;
(2) prepared burden by the content of above-mentioned various crushed particles by regulation, add in stirrer, churning time is 20-30 minute, fully mixes;
(3) add silane resin acceptor kh-550 and nano-carbon powder to above-mentioned homomixture material, after mixing, under 8-15Mpa, be pressed into base;
(4) in the stoving oven of 450-600 DEG C, calcine 3-5 hour, be cooled to room temperature, then be ground into 150-250 order;
(5) above-mentioned powder pulverized powder 250 mesh sieves are carried out process of sieving, can obtain.
The production method of embodiment 3 one kinds of quenched and tempered steel external refining refining agents, it is made up of the raw material of following weight part: 16 parts, Repone K, 6 parts, sodium carbonate, 15 parts, sodium sulfate, phenyl-hexafluoride 8 parts, 25 parts, calcium oxide, 9 parts, Calcium Fluoride (Fluorspan), bariumchloride 6 parts, 7 parts, magnesium chloride, 12 parts, aluminium scrap powder, 8 parts, magnesium oxide, rare earth 4 parts, bauxitic clay 6 parts, diatom ooze 6 parts, wilkinite 14 parts, agalmatolite 7 parts.
A production method for quenched and tempered steel external refining refining agent as claimed in claim 1, comprises the following steps:
(1) take each raw material of above-mentioned parts by weight, respectively various raw material crushing is become the particle of 10-30mm;
(2) prepared burden by the content of above-mentioned various crushed particles by regulation, add in stirrer, churning time is 20-30 minute, fully mixes;
(3) add silane resin acceptor kh-550 and nano-carbon powder to above-mentioned homomixture material, after mixing, under 8-15Mpa, be pressed into base;
(4) in the stoving oven of 450-600 DEG C, calcine 3-5 hour, be cooled to room temperature, then be ground into 150-250 order;
(5) above-mentioned powder pulverized powder 250 mesh sieves are carried out process of sieving, can obtain.
To those skilled in the art, obviously the invention is not restricted to the details of described one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of described explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.In addition, be to be understood that, although this specification sheets is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
1. the production method of a quenched and tempered steel external refining refining agent, it is characterized in that, it is made up of the raw material of following weight part: Repone K 15-20 part, sodium carbonate 5-8 part, sodium sulfate 12-18 part, phenyl-hexafluoride 5-10 part, calcium oxide 20-30 part, Calcium Fluoride (Fluorspan) 8-10 part, bariumchloride 5-8 part, magnesium chloride 5-8 part, aluminium scrap powder 10-15 part, magnesium oxide 5-10 part, rare earth 3-5 part, bauxitic clay 5-8 part, diatom ooze 5-8 part, wilkinite 10-15 part, agalmatolite 6-8 part.
2. a production method for quenched and tempered steel external refining refining agent as claimed in claim 1, is characterized in that, comprise the following steps:
(1) take each raw material of above-mentioned parts by weight, respectively various raw material crushing is become the particle of 10-30mm;
(2) prepared burden by the content of above-mentioned various crushed particles by regulation, add in stirrer, churning time is 20-30 minute, fully mixes;
(3) add silane resin acceptor kh-550 and nano-carbon powder to above-mentioned homomixture material, after mixing, under 8-15Mpa, be pressed into base;
(4) in the stoving oven of 450-600 DEG C, calcine 3-5 hour, be cooled to room temperature, then be ground into 150-250 order;
(5) above-mentioned powder pulverized powder 250 mesh sieves are carried out process of sieving, can obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025507.1A CN105506228A (en) | 2016-01-13 | 2016-01-13 | Production method of refining agent for secondary refining of hardened and tempered steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025507.1A CN105506228A (en) | 2016-01-13 | 2016-01-13 | Production method of refining agent for secondary refining of hardened and tempered steel |
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|---|---|
| CN105506228A true CN105506228A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025507.1A Pending CN105506228A (en) | 2016-01-13 | 2016-01-13 | Production method of refining agent for secondary refining of hardened and tempered steel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5923812A (en) * | 1982-07-30 | 1984-02-07 | Japan Metals & Chem Co Ltd | Decarburizing method of iron and steel |
| EP0156157A1 (en) * | 1984-02-28 | 1985-10-02 | O.E.T.-METALCONSULT S.r.l. | Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture |
| CN103924164A (en) * | 2014-04-10 | 2014-07-16 | 铜陵南江鑫钢实业有限公司 | High chrome alloy steel material and preparation method thereof |
| CN104630416A (en) * | 2015-02-06 | 2015-05-20 | 铜陵百荣新型材料铸件有限公司 | Refining agent for spring steel production furnace external refining and preparation method thereof |
-
2016
- 2016-01-13 CN CN201610025507.1A patent/CN105506228A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5923812A (en) * | 1982-07-30 | 1984-02-07 | Japan Metals & Chem Co Ltd | Decarburizing method of iron and steel |
| EP0156157A1 (en) * | 1984-02-28 | 1985-10-02 | O.E.T.-METALCONSULT S.r.l. | Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture |
| CN103924164A (en) * | 2014-04-10 | 2014-07-16 | 铜陵南江鑫钢实业有限公司 | High chrome alloy steel material and preparation method thereof |
| CN104630416A (en) * | 2015-02-06 | 2015-05-20 | 铜陵百荣新型材料铸件有限公司 | Refining agent for spring steel production furnace external refining and preparation method thereof |
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Application publication date: 20160420 |
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