CN107299196B - 一种无取向硅钢rh真空炉钢水与炉渣同步脱硫方法 - Google Patents
一种无取向硅钢rh真空炉钢水与炉渣同步脱硫方法 Download PDFInfo
- Publication number
- CN107299196B CN107299196B CN201710633052.6A CN201710633052A CN107299196B CN 107299196 B CN107299196 B CN 107299196B CN 201710633052 A CN201710633052 A CN 201710633052A CN 107299196 B CN107299196 B CN 107299196B
- Authority
- CN
- China
- Prior art keywords
- slag
- steel
- molten steel
- added
- desulfurizing 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 239000002893 slag Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 57
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 45
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 28
- 230000023556 desulfurization Effects 0.000 claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 claims abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 18
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 238000007670 refining Methods 0.000 claims abstract description 16
- 239000011593 sulfur Substances 0.000 claims abstract description 16
- 238000005275 alloying Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims description 21
- 238000001291 vacuum drying Methods 0.000 claims description 18
- 238000010079 rubber tapping Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 13
- 238000003723 Smelting Methods 0.000 claims description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 11
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000004571 lime Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 10
- 239000004615 ingredient Substances 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 229910052593 corundum Inorganic materials 0.000 claims description 8
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 5
- 238000003763 carbonization Methods 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 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
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 238000005261 decarburization Methods 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 229910052748 manganese Inorganic materials 0.000 abstract description 2
- 239000011572 manganese Substances 0.000 abstract description 2
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 description 14
- 239000000292 calcium oxide Substances 0.000 description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010436 fluorite Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C21C7/10—Handling in a vacuum
-
- 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
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C21C7/0645—Agents used for dephosphorising or desulfurising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710633052.6A CN107299196B (zh) | 2017-07-28 | 2017-07-28 | 一种无取向硅钢rh真空炉钢水与炉渣同步脱硫方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710633052.6A CN107299196B (zh) | 2017-07-28 | 2017-07-28 | 一种无取向硅钢rh真空炉钢水与炉渣同步脱硫方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107299196A CN107299196A (zh) | 2017-10-27 |
CN107299196B true CN107299196B (zh) | 2019-04-19 |
Family
ID=60133541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710633052.6A Active CN107299196B (zh) | 2017-07-28 | 2017-07-28 | 一种无取向硅钢rh真空炉钢水与炉渣同步脱硫方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107299196B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108660294B (zh) * | 2018-05-31 | 2019-12-10 | 江苏省沙钢钢铁研究院有限公司 | 一种硅锰镇静无取向硅钢夹杂物控制方法 |
CN109487039B (zh) * | 2018-11-27 | 2020-07-31 | 马鞍山钢铁股份有限公司 | 一种基于直筒型真空精炼装置控制超低碳钢中夹杂物的方法 |
CN110283962A (zh) * | 2019-07-26 | 2019-09-27 | 马鞍山钢铁股份有限公司 | 一种无取向硅钢铝脱氧产物变性的工艺 |
CN110578036A (zh) * | 2019-09-26 | 2019-12-17 | 湖南华菱涟钢薄板有限公司 | 一种含铝电工钢的rh精炼方法及其冶炼工艺 |
CN110964970B (zh) * | 2019-12-16 | 2021-03-23 | 首钢集团有限公司 | 一种极低硫钢及其制备方法 |
CN111411196A (zh) * | 2020-04-16 | 2020-07-14 | 首钢京唐钢铁联合有限责任公司 | 一种利用vd炉脱硫的方法 |
CN111349758B (zh) * | 2020-04-22 | 2022-08-09 | 马鞍山钢铁股份有限公司 | 一种提高csp产线无取向硅钢钢水可浇性的方法 |
CN111575446B (zh) * | 2020-06-25 | 2022-02-25 | 江苏省沙钢钢铁研究院有限公司 | 一种rh真空炉钙处理工艺方法 |
CN112458235B (zh) * | 2020-10-26 | 2022-07-19 | 北京首钢股份有限公司 | 一种用于炼钢脱硫的镁包芯线及脱硫方法 |
CN112662945B (zh) * | 2020-12-04 | 2022-04-08 | 马鞍山钢铁股份有限公司 | 一种提高高牌号无取向硅钢硅含量稳定性的控制方法 |
CN112899552B (zh) * | 2021-01-21 | 2022-03-29 | 江苏省沙钢钢铁研究院有限公司 | 一种超低铝无取向硅钢夹杂物控制方法 |
CN112921237B (zh) * | 2021-01-21 | 2022-04-19 | 江苏省沙钢钢铁研究院有限公司 | 一种硅锰镇静无取向硅钢冶炼方法 |
CN113249639B (zh) * | 2021-04-27 | 2022-04-19 | 江苏省沙钢钢铁研究院有限公司 | 一种提高硅锰镇静硅钢浇注性的生产方法 |
CN115369206B (zh) * | 2022-09-15 | 2023-10-27 | 马鞍山钢铁股份有限公司 | 一种降低砂眼缺陷的夹杂物控制方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4267437B2 (ja) * | 2003-12-17 | 2009-05-27 | 新日本製鐵株式会社 | 歪取焼鈍後の磁気特性に優れた無方向性電磁鋼板とその製造方法 |
CN102010934B (zh) * | 2010-12-20 | 2013-04-03 | 昆明理工大学 | 一种用于无取向电工钢的rh精炼脱硫工艺 |
CN102260822B (zh) * | 2011-07-27 | 2013-06-05 | 攀钢集团有限公司 | 高磷低硫无取向电工钢的冶炼方法 |
CN102634642A (zh) * | 2012-04-10 | 2012-08-15 | 河北省首钢迁安钢铁有限责任公司 | 一种无取向电工钢深脱硫的方法 |
CN103642969B (zh) * | 2013-12-03 | 2015-10-14 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种含钒钛铁水冶炼电工钢过程回硫控制的方法 |
CN104805253A (zh) * | 2015-05-08 | 2015-07-29 | 重庆大学 | 一种弱脱氧低碳钢rh深脱硫处理用脱硫剂及其制备方法 |
-
2017
- 2017-07-28 CN CN201710633052.6A patent/CN107299196B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN107299196A (zh) | 2017-10-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107299196B (zh) | 一种无取向硅钢rh真空炉钢水与炉渣同步脱硫方法 | |
CN106148844B (zh) | 一种含硫超低钛高标轴承钢的制备方法 | |
CN101993973B (zh) | 一种生产高纯度纯铁的方法 | |
CN101519710B (zh) | 一种合金结构钢非金属夹杂物控制方法 | |
CN105603156B (zh) | 超低硫if钢的生产方法 | |
CN102719600A (zh) | 一种超低碳钢的生产方法 | |
CN103334050B (zh) | 一种薄板坯连铸生产低铝硅镇静碳素结构钢的工艺 | |
CN101736129B (zh) | 一种去除钢液中全氧的方法 | |
CN104212935B (zh) | 一种用高钛铬铁生产高品质GCr15轴承钢的方法 | |
CN113088800B (zh) | 低碳铝镇静钢lf炉精炼渣和钢水浇余循环利用的方法 | |
CN113774277B (zh) | 一种超低碳超低锰工业纯铁及制备方法 | |
CN113249639B (zh) | 一种提高硅锰镇静硅钢浇注性的生产方法 | |
CN112342333A (zh) | 一种高效、低氧位超低碳钢生产方法 | |
CN101096715A (zh) | 一种低碳低硅钢的电炉冶炼方法 | |
CN109777918A (zh) | 一种细化高碳铬轴承钢夹杂物颗粒的炉外精炼生产方法 | |
CN109943685A (zh) | 一种低氧低钛高碳铬轴承钢的炉外精炼生产方法 | |
CN101041878A (zh) | 一种非晶用低锰、低硫原料纯铁及其生产方法 | |
CN107354269A (zh) | Rh复合脱氧生产超低碳钢的方法 | |
CN101993974B (zh) | 一种极低气体含量纯铁的生产方法 | |
KR101449799B1 (ko) | 강의 제조 방법 | |
CN105483501A (zh) | 一种含磷超低碳钢的冶炼方法 | |
CN109402327A (zh) | 一种超纯净高碳铬轴承钢的炉外精炼生产方法 | |
CN104195290A (zh) | 钢水脱磷剂及其钢水脱磷精炼方法 | |
CN107201422A (zh) | 一种低碳钢的生产方法 | |
CN102787206B (zh) | 控制中碳含铬模具钢钢锭中氮含量的冶炼方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190416 Address after: 215625 Institute of Research of Iron & Steel,Shagang,Jiangsu Province, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Co-patentee after: ZHANGJIAGANG RONGSHENG STEEL MAKING Co.,Ltd. Patentee after: INSTITUTE OF RESEARCH OF IRON & STEEL,SHAGANG,JIANGSU PROVINCE Co-patentee after: ZHANGJIAGANG YANGZIJIANG COLD ROLLED SHEET Co.,Ltd. Address before: 215625 Institute of Research of Iron & Steel,Shagang,Jiangsu Province, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Co-patentee before: ZHANGJIAGANG RONGSHENG STEEL MAKING Co.,Ltd. Patentee before: INSTITUTE OF RESEARCH OF IRON & STEEL,SHAGANG,JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |