CA2010040A1 - Process for reducing dust emission and free air access in the tapping region of a blast furnace - Google Patents
Process for reducing dust emission and free air access in the tapping region of a blast furnaceInfo
- Publication number
- CA2010040A1 CA2010040A1 CA002010040A CA2010040A CA2010040A1 CA 2010040 A1 CA2010040 A1 CA 2010040A1 CA 002010040 A CA002010040 A CA 002010040A CA 2010040 A CA2010040 A CA 2010040A CA 2010040 A1 CA2010040 A1 CA 2010040A1
- Authority
- CA
- Canada
- Prior art keywords
- process according
- tapping
- region
- runner
- molten
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 title claims abstract description 25
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052742 iron Inorganic materials 0.000 claims abstract description 21
- 238000005266 casting Methods 0.000 claims abstract description 20
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 8
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 8
- 238000005121 nitriding Methods 0.000 abstract description 6
- 239000011819 refractory material Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 239000001569 carbon dioxide Substances 0.000 description 20
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical class [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000005630 Diquat Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Blast Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3904415A DE3904415C1 (enExample) | 1989-02-14 | 1989-02-14 | |
| DEP3904415.7-24 | 1989-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2010040A1 true CA2010040A1 (en) | 1990-08-14 |
Family
ID=6374060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002010040A Abandoned CA2010040A1 (en) | 1989-02-14 | 1990-02-14 | Process for reducing dust emission and free air access in the tapping region of a blast furnace |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5683652A (enExample) |
| EP (1) | EP0383184B1 (enExample) |
| JP (1) | JPH02282409A (enExample) |
| AT (1) | ATE105588T1 (enExample) |
| CA (1) | CA2010040A1 (enExample) |
| DD (1) | DD292025A5 (enExample) |
| DE (2) | DE3904415C1 (enExample) |
| ES (1) | ES2052985T3 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6460742B1 (en) | 1989-02-14 | 2002-10-08 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for reducing fume emissions during molten metal transfer |
| DE4033482C1 (enExample) * | 1990-10-20 | 1992-02-20 | Kloeckner Stahl Gmbh, 4100 Duisburg, De | |
| AU644694B2 (en) * | 1990-10-20 | 1993-12-16 | Klockner Stahl Gmbh | Apparatus and method for delivering inert gas into a molten metal transportation vessel |
| US5196072A (en) * | 1990-12-12 | 1993-03-23 | Liquid Air Corporation | Method and apparatus for controlling metal oxide fume generation during subdivision of a body containing metal values |
| EP0544967B1 (de) * | 1991-11-28 | 1995-06-14 | Carbagas | Verfahren zur Unterdrückung von Staub und Rauch bei der Elektrostahlherstellung |
| DE19532040C2 (de) * | 1995-08-31 | 1999-05-27 | Schloemann Siemag Ag | Vorrichtung zum Flüssigmetall-Transport in der Gießhalle eines Schachtofens und Verfahren zum Betrieb dieser Vorrichtung |
| EP0946762A2 (en) * | 1996-11-08 | 1999-10-06 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for reducing fume emissions during molten metal transfer |
| DE102011008894A1 (de) | 2011-01-19 | 2012-07-19 | Air Liquide Deutschland Gmbh | Verfahren und Düse zur Unterdrückung einer Entwicklung von eisenhaltigem Dampf |
| CN102692327B (zh) * | 2011-03-22 | 2014-06-18 | 上海宝钢设备检修有限公司 | 熔融还原炼铁炉关键设备综合试验方法 |
| US9107906B1 (en) | 2014-10-28 | 2015-08-18 | Adma Biologics, Inc. | Compositions and methods for the treatment of immunodeficiency |
| US10259865B2 (en) | 2017-03-15 | 2019-04-16 | Adma Biologics, Inc. | Anti-pneumococcal hyperimmune globulin for the treatment and prevention of pneumococcal infection |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1603119A (en) * | 1977-11-21 | 1981-11-18 | Lodge Cottrell Ltd | Fume containment |
| US4357003A (en) * | 1980-09-24 | 1982-11-02 | Jones & Laughlin Steel Corporation | Blast furnace cast house pollutant suppression |
| EP0071359A1 (en) * | 1981-07-23 | 1983-02-09 | Uss Engineers And Consultants, Inc. | Methods and apparatus for molten metal fume supression |
| ZA85911B (en) * | 1984-02-24 | 1985-09-25 | Liquid Air Canada | Molten metal casting |
| US4657587A (en) * | 1985-02-21 | 1987-04-14 | Canadian Liquid Air Ltd./Air Liquide Canada Ltee | Molten metal casting |
| FR2579495B1 (fr) * | 1985-04-01 | 1987-09-11 | Air Liquide | Procede de protection d'un jet de coulee de metal |
| FR2607039B1 (fr) * | 1986-11-26 | 1989-03-31 | Air Liquide | Procede de coulee d'acier comportant un inertage du bain d'acier par de l'anhydride carbonique sous forme de neige |
| FR2607829A1 (fr) * | 1986-12-09 | 1988-06-10 | Cootec Deutschland Gmbh | Procede de traitement d'acier en poche |
| US4723997A (en) * | 1987-04-20 | 1988-02-09 | L'air Liquide | Method and apparatus for shielding a stream of liquid metal |
-
1989
- 1989-02-14 DE DE3904415A patent/DE3904415C1/de not_active Expired - Lifetime
-
1990
- 1990-02-07 DE DE59005658T patent/DE59005658D1/de not_active Revoked
- 1990-02-07 EP EP90102432A patent/EP0383184B1/de not_active Revoked
- 1990-02-07 ES ES90102432T patent/ES2052985T3/es not_active Expired - Lifetime
- 1990-02-07 AT AT9090102432T patent/ATE105588T1/de not_active IP Right Cessation
- 1990-02-14 JP JP2033629A patent/JPH02282409A/ja active Pending
- 1990-02-14 CA CA002010040A patent/CA2010040A1/en not_active Abandoned
- 1990-02-14 DD DD90337848A patent/DD292025A5/de not_active IP Right Cessation
-
1995
- 1995-06-07 US US08/474,197 patent/US5683652A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59005658D1 (de) | 1994-06-16 |
| ATE105588T1 (de) | 1994-05-15 |
| DD292025A5 (de) | 1991-07-18 |
| JPH02282409A (ja) | 1990-11-20 |
| EP0383184B1 (de) | 1994-05-11 |
| DE3904415C1 (enExample) | 1990-04-26 |
| US5683652A (en) | 1997-11-04 |
| EP0383184A1 (de) | 1990-08-22 |
| ES2052985T3 (es) | 1994-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |