JP5303915B2 - 使用済みMgO−C煉瓦の利用方法 - Google Patents
使用済みMgO−C煉瓦の利用方法 Download PDFInfo
- Publication number
- JP5303915B2 JP5303915B2 JP2007308005A JP2007308005A JP5303915B2 JP 5303915 B2 JP5303915 B2 JP 5303915B2 JP 2007308005 A JP2007308005 A JP 2007308005A JP 2007308005 A JP2007308005 A JP 2007308005A JP 5303915 B2 JP5303915 B2 JP 5303915B2
- Authority
- JP
- Japan
- Prior art keywords
- mgo
- brick
- hot metal
- converter
- slag
- 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
- 239000011449 brick Substances 0.000 title claims description 72
- 239000002184 metal Substances 0.000 claims description 50
- 229910052751 metal Inorganic materials 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 21
- 239000011810 insulating material Substances 0.000 claims description 18
- 238000009628 steelmaking Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002893 slag Substances 0.000 description 27
- 229910000861 Mg alloy Inorganic materials 0.000 description 11
- 238000007670 refining Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910000514 dolomite Inorganic materials 0.000 description 8
- 239000010459 dolomite Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 230000032258 transport Effects 0.000 description 7
- 238000005261 decarburization Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000004898 kneading Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 235000020083 shōchū Nutrition 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
Images
Landscapes
- Processing Of Solid Wastes (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Description
2…配管設備
3…サービスホッパ
4…取鍋
Claims (2)
- 高炉から製鋼工場まで溶銑輸送容器で溶銑を輸送する際に、粉砕された使用済みMgO−C煉瓦を保温材として溶銑輸送容器に投入し、溶銑を保温し、
製鋼工場において、保温材として利用した使用済みMgO−C煉瓦を転炉に装入する使用済みMgO−C煉瓦の利用方法。 - 前記使用済みMgO−C煉瓦は、粉砕された後、所定粒径未満に分級されることを特徴とする請求項1に記載の使用済みMgO−C煉瓦の利用方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007308005A JP5303915B2 (ja) | 2007-11-28 | 2007-11-28 | 使用済みMgO−C煉瓦の利用方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007308005A JP5303915B2 (ja) | 2007-11-28 | 2007-11-28 | 使用済みMgO−C煉瓦の利用方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009132951A JP2009132951A (ja) | 2009-06-18 |
JP5303915B2 true JP5303915B2 (ja) | 2013-10-02 |
Family
ID=40865104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007308005A Active JP5303915B2 (ja) | 2007-11-28 | 2007-11-28 | 使用済みMgO−C煉瓦の利用方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5303915B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5769170B2 (ja) * | 2011-10-06 | 2015-08-26 | 新日鐵住金株式会社 | 転炉耐火物の寿命延長方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5594760A (en) * | 1979-01-11 | 1980-07-18 | Kawasaki Steel Corp | Ingot making method of killed steel |
JPH05339615A (ja) * | 1992-06-10 | 1993-12-21 | Daido Steel Co Ltd | 製鋼廃れんがの有効活用方法 |
JPH07214287A (ja) * | 1994-02-09 | 1995-08-15 | Sumitomo Seika Chem Co Ltd | 溶融金属の保温材、およびこれを用いた保温方法 |
JPH09215939A (ja) * | 1996-02-09 | 1997-08-19 | Sumitomo Metal Ind Ltd | マグネシアカーボン煉瓦の粉砕方法およびその粉砕物の再利用方法 |
JP4077774B2 (ja) * | 2003-08-19 | 2008-04-23 | 新日本製鐵株式会社 | 使用済み耐火物の再利用方法 |
-
2007
- 2007-11-28 JP JP2007308005A patent/JP5303915B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009132951A (ja) | 2009-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4818567B2 (ja) | 精錬剤および精錬方法 | |
JP5408369B2 (ja) | 溶銑の予備処理方法 | |
KR20060009941A (ko) | 슬래그의 활용 방법 | |
JP6164151B2 (ja) | 転炉型精錬炉による溶鉄の精錬方法 | |
JP5895887B2 (ja) | 溶鋼の脱硫処理方法 | |
ZA200109971B (en) | Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same. | |
JP5347317B2 (ja) | 使用済みタンディッシュ耐火物の再使用方法 | |
JPH05339615A (ja) | 製鋼廃れんがの有効活用方法 | |
JP5408379B2 (ja) | 溶銑の予備処理方法 | |
JP5720497B2 (ja) | 製鋼スラグからの鉄及び燐の回収方法 | |
JP5303915B2 (ja) | 使用済みMgO−C煉瓦の利用方法 | |
Madias | A review on recycling of refractories for the iron and steel industry | |
CN104046882A (zh) | 一种利用aod转炉废弃镁钙砖冶炼奥氏不锈钢的方法 | |
JP2006241478A (ja) | 転炉操業方法 | |
JP2021134386A (ja) | スラグ還元を伴った冷鉄源の溶解方法 | |
JP7518455B2 (ja) | 溶銑製造方法 | |
JP4442368B2 (ja) | 溶銑搬送容器での大型冷鉄源の溶解方法 | |
JP2002241820A (ja) | ロータリーキルンを用いた酸化鉄の溶融還元方法 | |
JP5862594B2 (ja) | 溶銑出湯時の発塵防止方法 | |
JP5332769B2 (ja) | 電気炉スラグの利用方法 | |
JP6658246B2 (ja) | 耐火物を用いたスラグの希釈方法 | |
JP7311771B2 (ja) | 含鉄材の溶解方法 | |
JP4466145B2 (ja) | 溶銑の脱珪処理方法 | |
JP6538522B2 (ja) | 連続鋳造用タンディッシュ耐火物の再利用方法 | |
JP2010138428A (ja) | 転炉スラグのMgO濃度調整材及び転炉製鋼法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100823 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20121122 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121127 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130123 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130312 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130411 |
|
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: 20130528 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130610 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5303915 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |