JP7052931B2 - 連続鋳造鋳片の二次冷却方法 - Google Patents
連続鋳造鋳片の二次冷却方法 Download PDFInfo
- Publication number
- JP7052931B2 JP7052931B2 JP2021552134A JP2021552134A JP7052931B2 JP 7052931 B2 JP7052931 B2 JP 7052931B2 JP 2021552134 A JP2021552134 A JP 2021552134A JP 2021552134 A JP2021552134 A JP 2021552134A JP 7052931 B2 JP7052931 B2 JP 7052931B2
- Authority
- JP
- Japan
- Prior art keywords
- slab
- water
- cooling
- spray
- nozzle
- 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
- 238000001816 cooling Methods 0.000 title claims description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 239000007921 spray Substances 0.000 claims description 71
- 238000009835 boiling Methods 0.000 claims description 67
- 239000000498 cooling water Substances 0.000 claims description 49
- 238000002347 injection Methods 0.000 claims description 48
- 239000007924 injection Substances 0.000 claims description 48
- 238000005266 casting Methods 0.000 claims description 41
- 238000009749 continuous casting Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 230000007547 defect Effects 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 14
- 238000009826 distribution Methods 0.000 description 11
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1246—Nozzles; Spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
- B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019195833 | 2019-10-29 | ||
JP2019195833 | 2019-10-29 | ||
PCT/JP2020/040435 WO2021085474A1 (ja) | 2019-10-29 | 2020-10-28 | 連続鋳造鋳片の二次冷却方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021085474A1 JPWO2021085474A1 (ja) | 2021-12-09 |
JP7052931B2 true JP7052931B2 (ja) | 2022-04-12 |
Family
ID=75716282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021552134A Active JP7052931B2 (ja) | 2019-10-29 | 2020-10-28 | 連続鋳造鋳片の二次冷却方法 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4052815B1 (zh) |
JP (1) | JP7052931B2 (zh) |
KR (1) | KR102631495B1 (zh) |
CN (1) | CN114641356B (zh) |
TW (1) | TWI770652B (zh) |
WO (1) | WO2021085474A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114734012A (zh) | 2022-03-30 | 2022-07-12 | 东北大学 | 一种基于连铸机水平段的板坯表面淬火系统与工艺 |
CN115722640A (zh) * | 2022-11-11 | 2023-03-03 | 中冶赛迪工程技术股份有限公司 | 改善连铸小方坯表面回温的二冷喷嘴布置方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003136205A (ja) | 2001-10-31 | 2003-05-14 | Kawasaki Steel Corp | 連続鋳造における二次冷却方法 |
JP2005103628A (ja) | 2003-10-01 | 2005-04-21 | Sanyo Special Steel Co Ltd | 連続鋳造ブルームの均一冷却方法およびその冷却水注水ノズル |
JP2006315044A (ja) | 2005-05-13 | 2006-11-24 | Nippon Steel Corp | 連続鋳造におけるスプレー冷却方法 |
JP2013022620A (ja) | 2011-07-21 | 2013-02-04 | Nippon Steel & Sumitomo Metal Corp | 連続鋳造鋳片の冷却方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100843920B1 (ko) * | 2001-12-26 | 2008-07-03 | 주식회사 포스코 | 연속주조시 주편의 표면응고속도 균일화방법 |
JP5094154B2 (ja) * | 2007-02-19 | 2012-12-12 | 株式会社神戸製鋼所 | 連続鋳造機における鋳片冷却方法 |
JP5146006B2 (ja) * | 2008-02-26 | 2013-02-20 | Jfeスチール株式会社 | 連続鋳造における二次冷却方法 |
BR112014011190B1 (pt) * | 2011-11-15 | 2020-09-15 | Nippon Steel Corporation | Aparelho de refrigeração secundário de máquina de lingotamento contínuo e método de refrigeração secundário |
JP5817689B2 (ja) * | 2012-09-10 | 2015-11-18 | 新日鐵住金株式会社 | 連続鋳造の二次冷却方法 |
JP5825250B2 (ja) * | 2012-12-25 | 2015-12-02 | Jfeスチール株式会社 | 熱延鋼帯の冷却方法および冷却装置 |
JP6079387B2 (ja) * | 2013-04-02 | 2017-02-15 | 新日鐵住金株式会社 | 連続鋳造鋳片の冷却方法及び冷却装置 |
CN104768676B (zh) * | 2013-09-11 | 2017-06-09 | 新日铁住金株式会社 | 喷射喷嘴以及连续铸造的二次冷却方法 |
KR101585797B1 (ko) * | 2014-10-16 | 2016-01-25 | 주식회사 포스코 | 주편 냉각방법 |
JP6369571B2 (ja) * | 2015-01-15 | 2018-08-08 | 新日鐵住金株式会社 | 鋳片の連続鋳造方法 |
CN108472718B (zh) * | 2016-01-29 | 2020-11-20 | 日本制铁株式会社 | 连续铸造铸坯的二次冷却方法和二次冷却装置 |
JP6747142B2 (ja) | 2016-07-28 | 2020-08-26 | 日本製鉄株式会社 | 連続鋳造の二次冷却方法及び二次冷却装置 |
JP6631554B2 (ja) * | 2017-02-17 | 2020-01-15 | Jfeスチール株式会社 | 連続鋳造における鋳片の2次冷却方法および鋼の連続鋳造方法 |
-
2020
- 2020-10-28 KR KR1020227013451A patent/KR102631495B1/ko active IP Right Grant
- 2020-10-28 JP JP2021552134A patent/JP7052931B2/ja active Active
- 2020-10-28 WO PCT/JP2020/040435 patent/WO2021085474A1/ja unknown
- 2020-10-28 EP EP20882570.3A patent/EP4052815B1/en active Active
- 2020-10-28 CN CN202080076092.5A patent/CN114641356B/zh active Active
- 2020-10-29 TW TW109137583A patent/TWI770652B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003136205A (ja) | 2001-10-31 | 2003-05-14 | Kawasaki Steel Corp | 連続鋳造における二次冷却方法 |
JP2005103628A (ja) | 2003-10-01 | 2005-04-21 | Sanyo Special Steel Co Ltd | 連続鋳造ブルームの均一冷却方法およびその冷却水注水ノズル |
JP2006315044A (ja) | 2005-05-13 | 2006-11-24 | Nippon Steel Corp | 連続鋳造におけるスプレー冷却方法 |
JP2013022620A (ja) | 2011-07-21 | 2013-02-04 | Nippon Steel & Sumitomo Metal Corp | 連続鋳造鋳片の冷却方法 |
Also Published As
Publication number | Publication date |
---|---|
EP4052815B1 (en) | 2023-08-30 |
WO2021085474A1 (ja) | 2021-05-06 |
JPWO2021085474A1 (ja) | 2021-12-09 |
KR102631495B1 (ko) | 2024-01-30 |
TWI770652B (zh) | 2022-07-11 |
KR20220069059A (ko) | 2022-05-26 |
EP4052815A4 (en) | 2022-10-19 |
EP4052815A1 (en) | 2022-09-07 |
TW202133967A (zh) | 2021-09-16 |
CN114641356A (zh) | 2022-06-17 |
CN114641356B (zh) | 2024-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7718018B2 (en) | Method of cooling steel plate | |
JP7052931B2 (ja) | 連続鋳造鋳片の二次冷却方法 | |
US10974316B2 (en) | Secondary cooling method and secondary cooling device for casting product in continuous casting | |
JP5515483B2 (ja) | 厚鋼板の冷却設備および冷却方法 | |
TWI753486B (zh) | 連續鑄造鑄片之二次冷卻方法及二次冷卻裝置 | |
JP6747142B2 (ja) | 連続鋳造の二次冷却方法及び二次冷却装置 | |
TWI764216B (zh) | 連續鑄造鑄片的二次冷卻裝置及二次冷卻方法 | |
CN114096362B (zh) | 连续铸造铸片的二次冷却方法以及装置 | |
KR102046949B1 (ko) | 2차 냉각대의 비수분포가 균일한 오스테나이트계 스테인리스강 연속주조방법 | |
JP5094154B2 (ja) | 連続鋳造機における鋳片冷却方法 | |
JP5402678B2 (ja) | 鋼の連続鋳造方法 | |
JP2000192146A (ja) | 鋼板の冷却方法およびその装置 | |
JP5556073B2 (ja) | 連続鋳造における二次冷却方法 | |
JP5741165B2 (ja) | 熱鋼板の下面冷却装置 | |
WO2023248632A1 (ja) | 鋳片の連続鋳造設備及び鋳片の連続鋳造方法 | |
JP3282714B2 (ja) | 高温鋼板の冷却方法 | |
JP2016036846A (ja) | 冷却装置及び過冷却抑制方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210906 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20210906 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20211102 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220111 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220215 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220301 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220314 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7052931 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |