DE2300005A1 - Verfahren zur herstellung eines entfernbaren bodens fuer einen stahlwerksofen - Google Patents
Verfahren zur herstellung eines entfernbaren bodens fuer einen stahlwerksofenInfo
- Publication number
- DE2300005A1 DE2300005A1 DE19732300005 DE2300005A DE2300005A1 DE 2300005 A1 DE2300005 A1 DE 2300005A1 DE 19732300005 DE19732300005 DE 19732300005 DE 2300005 A DE2300005 A DE 2300005A DE 2300005 A1 DE2300005 A1 DE 2300005A1
- Authority
- DE
- Germany
- Prior art keywords
- pitch
- tar
- mold
- magnesite
- plug
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 239000004575 stone Substances 0.000 claims description 71
- 239000001095 magnesium carbonate Substances 0.000 claims description 60
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 60
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 60
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 56
- 239000000203 mixture Substances 0.000 claims description 50
- 229910052799 carbon Inorganic materials 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 39
- 239000010459 dolomite Substances 0.000 claims description 29
- 229910000514 dolomite Inorganic materials 0.000 claims description 29
- 239000011449 brick Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 28
- 239000000395 magnesium oxide Substances 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000011819 refractory material Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 13
- 239000011822 basic refractory Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 6
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 5
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011823 monolithic refractory Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004327 boric acid Substances 0.000 claims description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 238000000071 blow moulding Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- 239000008240 homogeneous mixture Substances 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- NWAPVVCSZCCZCU-UHFFFAOYSA-L magnesium;dichlorite Chemical compound [Mg+2].[O-]Cl=O.[O-]Cl=O NWAPVVCSZCCZCU-UHFFFAOYSA-L 0.000 claims 1
- 239000011295 pitch Substances 0.000 description 46
- 239000011269 tar Substances 0.000 description 32
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 31
- 235000012245 magnesium oxide Nutrition 0.000 description 18
- 239000002689 soil Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000006233 lamp black Substances 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 235000012255 calcium oxide Nutrition 0.000 description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000011294 coal tar pitch Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000012265 solid product Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052810 boron oxide Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- -1 density Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000004413 injection moulding compound Substances 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000011301 petroleum pitch Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 239000003232 water-soluble binding agent Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000011451 fired brick Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- MOWNZPNSYMGTMD-UHFFFAOYSA-N oxidoboron Chemical class O=[B] MOWNZPNSYMGTMD-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007493 shaping process Methods 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
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- 239000011271 tar pitch Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Metallurgy (AREA)
- Structural Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21498872A | 1972-01-03 | 1972-01-03 | |
| US21498972A | 1972-01-03 | 1972-01-03 | |
| US00256689A US3799526A (en) | 1972-05-25 | 1972-05-25 | Method of making a removable bottom for a steelmaking furnace from preformed refractory shapes and resulting product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2300005A1 true DE2300005A1 (de) | 1973-07-26 |
Family
ID=27396058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732300005 Pending DE2300005A1 (de) | 1972-01-03 | 1973-01-02 | Verfahren zur herstellung eines entfernbaren bodens fuer einen stahlwerksofen |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE793538A (OSRAM) |
| CA (1) | CA992998A (OSRAM) |
| DE (1) | DE2300005A1 (OSRAM) |
| FR (1) | FR2167597B1 (OSRAM) |
| GB (1) | GB1422571A (OSRAM) |
| NL (1) | NL7300027A (OSRAM) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR615706A (fr) * | 1926-04-16 | 1927-01-14 | Arbed | Procédé de fabrication de fonds de convertisseur |
| FR1318069A (fr) * | 1962-03-20 | 1963-02-15 | Yawata Iron & Steel Co | Matériau réfractaire lié par une substance organique contenant du carbone |
-
0
- BE BE793538D patent/BE793538A/xx unknown
-
1973
- 1973-01-02 NL NL7300027A patent/NL7300027A/xx not_active Application Discontinuation
- 1973-01-02 DE DE19732300005 patent/DE2300005A1/de active Pending
- 1973-01-02 GB GB24873A patent/GB1422571A/en not_active Expired
- 1973-01-02 FR FR7300070A patent/FR2167597B1/fr not_active Expired
- 1973-01-02 CA CA160,381A patent/CA992998A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2167597A1 (OSRAM) | 1973-08-24 |
| CA992998A (en) | 1976-07-13 |
| GB1422571A (en) | 1976-01-28 |
| BE793538A (fr) | 1973-04-16 |
| FR2167597B1 (OSRAM) | 1976-11-12 |
| NL7300027A (OSRAM) | 1973-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |