CN1911560A - Protective slag for continuous casting medium thick plate of low alloy high strength steel - Google Patents
Protective slag for continuous casting medium thick plate of low alloy high strength steel Download PDFInfo
- Publication number
- CN1911560A CN1911560A CN 200610095063 CN200610095063A CN1911560A CN 1911560 A CN1911560 A CN 1911560A CN 200610095063 CN200610095063 CN 200610095063 CN 200610095063 A CN200610095063 A CN 200610095063A CN 1911560 A CN1911560 A CN 1911560A
- Authority
- CN
- China
- Prior art keywords
- covering slag
- slag
- continuous casting
- strand
- steel
- 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.)
- Granted
Links
- 239000002893 slag Substances 0.000 title claims abstract description 104
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000009749 continuous casting Methods 0.000 title claims description 31
- 229910045601 alloy Inorganic materials 0.000 title abstract description 5
- 239000000956 alloy Substances 0.000 title abstract description 5
- 230000001681 protective effect Effects 0.000 title 1
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000006229 carbon black Substances 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 150000001553 barium compounds Chemical class 0.000 claims description 3
- 150000002681 magnesium compounds Chemical class 0.000 claims description 3
- 150000002697 manganese compounds Chemical class 0.000 claims description 3
- 150000003438 strontium compounds Chemical class 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 abstract description 16
- 230000008025 crystallization Effects 0.000 abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- 239000000314 lubricant Substances 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 208000034423 Delivery Diseases 0.000 abstract 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 15
- 230000002950 deficient Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012546 transfer Methods 0.000 description 11
- 238000007920 subcutaneous administration Methods 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000004927 fusion Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910019580 Cr Zr Inorganic materials 0.000 description 1
- 229910019817 Cr—Zr Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 210000000498 stratum granulosum Anatomy 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Landscapes
- Continuous Casting (AREA)
Abstract
Description
Embodiment | Comparative example 1 | Comparative example 2 | |
Al 2O 3(weight %) | 3.89 | 1.50 | 2.21 |
MgO (weight %) | 2.01 | 5.62 | 3.99 |
SrO (weight %) | 5.15 | ||
BaO (weight %) | 7.65 | ||
Fe 2O 3(weight %) | 2.18 | 0.54 | 2.35 |
Na 2O (weight %) | 6.82 | 7.83 | 6.94 |
F -(weight %) | 2.14 | 4.50 | 4.64 |
Li 2O (weight %) | 0.41 | ||
C (weight %) | 7.63 | 4.52 | 8.23 |
CaO (weight %) | Surplus CaO/SiO 2=0.96 | Surplus CaO/SiO 2=1.13 | Surplus CaO/SiO 2=0.91 |
SiO 2(weight %) | |||
Fusion temperature, ℃ | 1144 | 1133 | 1112 |
1300 ℃ of viscosity, PaS | 0.281 | 0.145 | 0.326 |
Percent crystallization in massecuite, % | 36 | 95 | 5 |
Crystallization temperature, | 1130 | 1258 | 1084 |
The surface longitudinal crack of slab index | 1.00 | 1.00 | 5.47 |
The rolled plate scrappage, %wt | 0.23 | 12.36 | 0.07 |
Whether need the processing of rolling off the production line | Not | Be |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100950635A CN100429020C (en) | 2006-08-25 | 2006-08-25 | Protective slag for continuous casting medium thick plate of low alloy high strength steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100950635A CN100429020C (en) | 2006-08-25 | 2006-08-25 | Protective slag for continuous casting medium thick plate of low alloy high strength steel |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1911560A true CN1911560A (en) | 2007-02-14 |
CN100429020C CN100429020C (en) | 2008-10-29 |
Family
ID=37720706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100950635A Expired - Fee Related CN100429020C (en) | 2006-08-25 | 2006-08-25 | Protective slag for continuous casting medium thick plate of low alloy high strength steel |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100429020C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102009146A (en) * | 2010-12-08 | 2011-04-13 | 西峡龙成冶金材料有限公司 | Carbon steel continuous casting powder in phi 700-800mm round billet |
CN101637808B (en) * | 2009-08-11 | 2012-03-07 | 河南省西保冶材集团有限公司 | ASP medium thickness slab high drawing speed plate blank low-carbon steel continuous casting functional protective material |
CN102756103A (en) * | 2012-08-10 | 2012-10-31 | 重庆大学 | Crystallizer casting powder for high-crystallinity high-lubricity continuous casting |
CN102085568B (en) * | 2009-12-04 | 2012-11-07 | 丹东泓辉科大高温材料有限公司 | Peritectic steel continuous casting covering slag |
CN112955263A (en) * | 2018-10-29 | 2021-06-11 | 株式会社Posco | Crystallizer and casting method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102814479B (en) * | 2012-07-31 | 2016-08-03 | 马鞍山科润冶金材料有限公司 | A kind of carburizing steel continuous crystallizer protecting slag and manufacture method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1049117A (en) * | 1989-07-31 | 1991-02-13 | 重庆大学 | Presmelting vitrification continuous casting protective slag and production technology thereof |
CN1151902C (en) * | 2001-04-26 | 2004-06-02 | 刘长福 | Pre-molten protective particle sludge and its production process |
CN1285432C (en) * | 2004-12-03 | 2006-11-22 | 太原钢铁(集团)有限公司 | Protective slag for Austenic stainless steel plate wand crystallizer |
-
2006
- 2006-08-25 CN CNB2006100950635A patent/CN100429020C/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101637808B (en) * | 2009-08-11 | 2012-03-07 | 河南省西保冶材集团有限公司 | ASP medium thickness slab high drawing speed plate blank low-carbon steel continuous casting functional protective material |
CN102085568B (en) * | 2009-12-04 | 2012-11-07 | 丹东泓辉科大高温材料有限公司 | Peritectic steel continuous casting covering slag |
CN102009146A (en) * | 2010-12-08 | 2011-04-13 | 西峡龙成冶金材料有限公司 | Carbon steel continuous casting powder in phi 700-800mm round billet |
CN102756103A (en) * | 2012-08-10 | 2012-10-31 | 重庆大学 | Crystallizer casting powder for high-crystallinity high-lubricity continuous casting |
CN102756103B (en) * | 2012-08-10 | 2014-10-08 | 重庆大学 | Crystallizer casting powder for high-crystallinity high-lubricity continuous casting |
CN112955263A (en) * | 2018-10-29 | 2021-06-11 | 株式会社Posco | Crystallizer and casting method |
Also Published As
Publication number | Publication date |
---|---|
CN100429020C (en) | 2008-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101885043B (en) | High-casting speed mold flux | |
CN100429020C (en) | Protective slag for continuous casting medium thick plate of low alloy high strength steel | |
CN112620598B (en) | Continuous casting crystallizer casting powder special for sorbite stainless steel and application thereof | |
CN101733377B (en) | Continuous casting mold fluxes for medium-high carbon steel and alloy steel | |
CN106475536A (en) | A kind of P91 jet chimney steel continuous crystallizer protecting slag and preparation method thereof | |
CN101758174B (en) | Mold powder capable of effectively controlling peritectic steel thick slab narrow face depression defect | |
CN1974062A (en) | Crystallizer protecting cinder for continuous casting of crack sensitive steel and its prepn process | |
CN1911559A (en) | Protective slag for ultralow carbon steel continuous casting | |
CN103071771A (en) | Stainless steel dedicated mold fluxes | |
JP3463567B2 (en) | Mold powder for continuous casting and continuous casting method | |
CN1192834C (en) | Protective slag for CSP thin plate blank continuously-casting crystallizer | |
JP3226829B2 (en) | Hollow granule mold flux for continuous casting | |
CN102009145A (en) | Function protecting material of specific continuous casting crystallizer of 510L automotive beam steel | |
CN106735023A (en) | A kind of continuous-casting crystallizer especially used function protective material of hyperoxia glassed steel | |
CN114178498A (en) | Special covering slag for non-quenched and tempered steel continuous casting crystallizer and preparation process thereof | |
CN102527964A (en) | Continuous casting crystallizer protective material special for steel plates with yield strength of over 390MPa | |
CN108580822B (en) | Continuous casting crystallizer casting powder of high-viscosity special-shaped blank medium carbon steel or low alloy steel | |
KR102629377B1 (en) | Mold powder and continuous casting method for continuous casting of Al-containing apostatic steel | |
CN110000352A (en) | A kind of continuous-casting crystallizer especially used function protective material of plastic die steel | |
CN110548841A (en) | Low-sodium low-lithium continuous casting crystallizer casting powder for low-carbon steel | |
CN112705678B (en) | Continuous casting crystallizer covering slag for hot work die steel slab and application thereof | |
EP0141523B1 (en) | Mold additives for use in continuous casting | |
JP3610885B2 (en) | Mold powder and continuous casting method | |
JP2994718B2 (en) | Flux for continuous casting | |
CN107282903A (en) | A kind of continuous super low carbon steel casting crystallizer protecting residue |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaoning Tianhe Minerals Co., Ltd. Assignor: Chongqing University Contract record no.: 2011990000343 Denomination of invention: Protective slag for continuous casting medium thick plate of low alloy high strength steel Granted publication date: 20081029 License type: Exclusive License Open date: 20070214 Record date: 20110504 |
|
ASS | Succession or assignment of patent right |
Owner name: LIAONING TIANHE MINING CO., LTD. Free format text: FORMER OWNER: CHONGQING UNIVERSITY Effective date: 20110525 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Yuntian Inventor before: Wang Qian Inventor before: He Shengping Inventor before: Chi Jinghao |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400044 NO. 174, SHAPINGBA MAIN STREET, SHAPINGBA DISTRICT, CHONGQING CITY TO: 114100 INDUSTRIAL ZONE, TAIAN COUNTY, LIAONING PROVINCE Free format text: CORRECT: INVENTOR; FROM: WANG QIAN HE SHENGPING CHI JINGHAO TO: CHEN YUNTIAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110525 Address after: Taian County in Liaoning province 114100 Industrial Zone Patentee after: Liaoning Tianhe Minerals Co., Ltd. Address before: 400044 No. 174 Shapingba street, Shapingba District, Chongqing Patentee before: Chongqing University |
|
C56 | Change in the name or address of the patentee |
Owner name: LIAONING TIANHE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LIAONING TIANHE MINING CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 114000 Liaoning city of Anshan province Taian County Industrial Park Patentee after: Liaoning Tianhe Technology Co., Ltd. Address before: Taian County in Liaoning province 114100 Industrial Zone Patentee before: Liaoning Tianhe Minerals Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20200825 |
|
CF01 | Termination of patent right due to non-payment of annual fee |