JP5448144B2 - マグクロれんが - Google Patents
マグクロれんが Download PDFInfo
- Publication number
- JP5448144B2 JP5448144B2 JP2009041085A JP2009041085A JP5448144B2 JP 5448144 B2 JP5448144 B2 JP 5448144B2 JP 2009041085 A JP2009041085 A JP 2009041085A JP 2009041085 A JP2009041085 A JP 2009041085A JP 5448144 B2 JP5448144 B2 JP 5448144B2
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- JP
- Japan
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- mass
- raw material
- magcro
- content
- brick
- 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.)
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- 239000011449 brick Substances 0.000 title claims description 60
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 154
- 239000000395 magnesium oxide Substances 0.000 claims description 77
- 239000002994 raw material Substances 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 28
- 239000011651 chromium Substances 0.000 claims description 23
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 18
- 229910052804 chromium Inorganic materials 0.000 claims description 17
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 9
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000009472 formulation Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 2
- 235000012245 magnesium oxide Nutrition 0.000 description 76
- 230000000052 comparative effect Effects 0.000 description 24
- 230000007797 corrosion Effects 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 12
- 238000010304 firing Methods 0.000 description 12
- 238000002844 melting Methods 0.000 description 12
- 230000008018 melting Effects 0.000 description 12
- 238000013003 hot bending Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 9
- 229910052596 spinel Inorganic materials 0.000 description 9
- 239000011029 spinel Substances 0.000 description 9
- 230000029087 digestion Effects 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 chromite Chemical compound 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 235000019621 digestibility Nutrition 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical group [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Description
Claims (3)
- 耐火原料配合物を混練し、成形後、1700℃以上の温度で焼成して得られるマグクロれんがであって、前記耐火原料配合物が、B2O3含有量が0.2〜1.0質量%、CaO含有量が0.8質量%以下、及びかさ密度が3.20g/cm3以上であるマグネシアクリンカ20〜80質量%と、クロム鉱20〜60質量%との2種のみからなり、かつ前記耐火原料配合物中のCaO含有量が0.8質量%以下でSiO2含有量が2.5質量%以下であるマグクロれんが。
- 耐火原料配合物を混練し、成形後、1700℃以上の温度で焼成して得られるマグクロれんがであって、前記耐火原料配合物が、B2O3含有量が0.2〜1.0質量%、CaO含有量が0.8質量%以下、及びかさ密度が3.20g/cm3以上であるマグネシアクリンカ20〜60質量%と、クロム鉱20〜60質量%と、マグクロクリンカ10〜60質量%との3種のみからなり、かつ前記耐火原料配合物中のCaO含有量が0.8質量%以下でSiO2含有量が2.5質量%以下であるマグクロれんが。
- 前記耐火原料配合物が、酸化クロム、アルミナ、及び酸化鉄のうち1種以上を10質量
%以下含む請求項1又は2に記載のマグクロれんが。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009041085A JP5448144B2 (ja) | 2009-02-24 | 2009-02-24 | マグクロれんが |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009041085A JP5448144B2 (ja) | 2009-02-24 | 2009-02-24 | マグクロれんが |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010195617A JP2010195617A (ja) | 2010-09-09 |
JP5448144B2 true JP5448144B2 (ja) | 2014-03-19 |
Family
ID=42820751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009041085A Active JP5448144B2 (ja) | 2009-02-24 | 2009-02-24 | マグクロれんが |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5448144B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102336539A (zh) * | 2011-09-02 | 2012-02-01 | 浙江铭德新材科技有限公司 | 利废再生免烧镁铬砖及其制备方法 |
JP6457313B2 (ja) * | 2015-03-31 | 2019-01-23 | 新日鐵住金株式会社 | マグネシア・クロムれんがの製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5813511B2 (ja) * | 1975-06-24 | 1983-03-14 | クロサキヨウギヨウ カブシキガイシヤ | マグロクダイレクトボンドレンガノ セイゾウホウホウ |
JPS5469110A (en) * | 1977-11-15 | 1979-06-02 | Kawasaki Steel Co | Magnesia clinker |
JPH0653603B2 (ja) * | 1985-05-15 | 1994-07-20 | 新日本化学工業株式会社 | マグネシアクリンカーの製造方法 |
JP3753396B2 (ja) * | 1996-12-19 | 2006-03-08 | 品川白煉瓦株式会社 | 高温焼成マグクロ質れんが |
JPH11139864A (ja) * | 1997-11-11 | 1999-05-25 | Kawasaki Refract Co Ltd | 塩基性れんが |
-
2009
- 2009-02-24 JP JP2009041085A patent/JP5448144B2/ja active Active
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Publication number | Publication date |
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JP2010195617A (ja) | 2010-09-09 |
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