JP2014208375A - 高温溶融物用ノズルおよびそれを用いた鋳造方法 - Google Patents
高温溶融物用ノズルおよびそれを用いた鋳造方法 Download PDFInfo
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- JP2014208375A JP2014208375A JP2014034173A JP2014034173A JP2014208375A JP 2014208375 A JP2014208375 A JP 2014208375A JP 2014034173 A JP2014034173 A JP 2014034173A JP 2014034173 A JP2014034173 A JP 2014034173A JP 2014208375 A JP2014208375 A JP 2014208375A
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- refractory
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- temperature
- insulating material
- heat insulating
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- 238000000034 method Methods 0.000 title claims description 16
- 238000005266 casting Methods 0.000 title claims description 5
- 239000012768 molten material Substances 0.000 title abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 239000011810 insulating material Substances 0.000 claims description 66
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 239000012774 insulation material Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 49
- 239000010959 steel Substances 0.000 description 49
- 238000010438 heat treatment Methods 0.000 description 19
- 239000004570 mortar (masonry) Substances 0.000 description 12
- 230000006698 induction Effects 0.000 description 11
- 238000009749 continuous casting Methods 0.000 description 10
- 239000000155 melt Substances 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 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
- B22D11/10—Supplying or treating molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/52—Manufacturing or repairing thereof
- B22D41/54—Manufacturing or repairing thereof characterised by the materials used therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Continuous Casting (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
図1は、本発明の実施形態1に係る高温溶融物用ノズル10を示す縦断面図である。
図2は、本発明の実施形態2に係る高温溶融物用ノズル20を示す縦断面図である。
2 断熱材
3 金属製ケース
4 高温溶融物の流路
5 モルタル
10 高温溶融物用ノズル
20 高温溶融物用ノズル
Claims (5)
- 高温溶融物が通過する高温溶融物用ノズルであって、上方から下方に向かって高温溶融物が通過する流路を有する耐火物を備え、該耐火物の上端から、下方に該耐火物の高さの50%以上の位置まで、該耐火物の外周面が該耐火物の外径の1%以上8%以下に相当する厚さの断熱材によって被覆され、該断熱材の外周面の全部が金属製のケースにより被覆されていることを特徴とする高温溶融物用ノズル。
- 高温溶融物の温度が400℃以上であり、断熱材の熱伝導度が0.02〜0.30W/(m・K)であることを特徴とする請求項1に記載の高温溶融物用ノズル。
- 前記耐火物の炭素含有量が4質量%以下であることを特徴とする請求項1または2に記載の高温溶融物用ノズル。
- 前記耐火物の内周面の温度が高温溶融物の温度近くになるように予熱してから、高温溶融物を通過させることを特徴とする請求項1〜3のいずれかに記載の高温溶融物用ノズル。
- 請求項1〜4のいずれかに記載の高温溶融物用ノズルを用いて鋳造することを特徴とする高温溶融物用ノズルを用いた鋳造方法。
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JP2014034173A JP5850072B2 (ja) | 2013-03-28 | 2014-02-25 | 高温溶融物用ノズルおよびそれを用いた鋳造方法 |
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JP2013067738 | 2013-03-28 | ||
JP2013067738 | 2013-03-28 | ||
JP2014034173A JP5850072B2 (ja) | 2013-03-28 | 2014-02-25 | 高温溶融物用ノズルおよびそれを用いた鋳造方法 |
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JP2014208375A true JP2014208375A (ja) | 2014-11-06 |
JP5850072B2 JP5850072B2 (ja) | 2016-02-03 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101831917B1 (ko) * | 2015-12-18 | 2018-02-26 | 주식회사 포스코 | 주조용 노즐 |
CN109622934A (zh) * | 2019-01-11 | 2019-04-16 | 包头钢铁(集团)有限责任公司 | 一种减轻浸入式水口散热的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06142899A (ja) * | 1992-11-10 | 1994-05-24 | Shinagawa Refract Co Ltd | 溶鋼鋳造用下ノズル |
JPH09206921A (ja) * | 1996-02-01 | 1997-08-12 | Toshiba Ceramics Co Ltd | スライドゲート用下ノズル |
JPH10258354A (ja) * | 1997-03-14 | 1998-09-29 | Shinagawa Refract Co Ltd | 溶融金属注入用ノズル |
-
2014
- 2014-02-25 JP JP2014034173A patent/JP5850072B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06142899A (ja) * | 1992-11-10 | 1994-05-24 | Shinagawa Refract Co Ltd | 溶鋼鋳造用下ノズル |
JPH09206921A (ja) * | 1996-02-01 | 1997-08-12 | Toshiba Ceramics Co Ltd | スライドゲート用下ノズル |
JPH10258354A (ja) * | 1997-03-14 | 1998-09-29 | Shinagawa Refract Co Ltd | 溶融金属注入用ノズル |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101831917B1 (ko) * | 2015-12-18 | 2018-02-26 | 주식회사 포스코 | 주조용 노즐 |
CN109622934A (zh) * | 2019-01-11 | 2019-04-16 | 包头钢铁(集团)有限责任公司 | 一种减轻浸入式水口散热的方法 |
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JP5850072B2 (ja) | 2016-02-03 |
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