ATE77840T1 - Vorrichtung zum einbringen von pulverfoermigen reagenzien in eine schmelzpfanne. - Google Patents
Vorrichtung zum einbringen von pulverfoermigen reagenzien in eine schmelzpfanne.Info
- Publication number
- ATE77840T1 ATE77840T1 AT89107446T AT89107446T ATE77840T1 AT E77840 T1 ATE77840 T1 AT E77840T1 AT 89107446 T AT89107446 T AT 89107446T AT 89107446 T AT89107446 T AT 89107446T AT E77840 T1 ATE77840 T1 AT E77840T1
- Authority
- AT
- Austria
- Prior art keywords
- pan
- reagents
- loading powder
- melting
- powder reagents
- Prior art date
Links
- 239000003153 chemical reaction reagent Substances 0.000 title abstract 3
- 238000002844 melting Methods 0.000 title abstract 2
- 230000008018 melting Effects 0.000 title abstract 2
- 239000000843 powder Substances 0.000 title abstract 2
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
- 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
-
- 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
- C21C5/4606—Lances or injectors
- C21C5/4613—Refractory coated lances; Immersion lances
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Furnace Charging Or Discharging (AREA)
- Sampling And Sample Adjustment (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3817358A DE3817358A1 (de) | 1988-05-20 | 1988-05-20 | Vorrichtung zum einbringen von pulverfoermigen reagenzien in eine schmelzpfanne |
| EP89107446A EP0342395B1 (de) | 1988-05-20 | 1989-04-25 | Vorrichtung zum Einbringen von pulverförmigen Reagenzien in eine Schmelzpfanne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE77840T1 true ATE77840T1 (de) | 1992-07-15 |
Family
ID=6354861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT89107446T ATE77840T1 (de) | 1988-05-20 | 1989-04-25 | Vorrichtung zum einbringen von pulverfoermigen reagenzien in eine schmelzpfanne. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5062615A (de) |
| EP (1) | EP0342395B1 (de) |
| AT (1) | ATE77840T1 (de) |
| CA (1) | CA1315102C (de) |
| DE (2) | DE3817358A1 (de) |
| ES (1) | ES2032624T3 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5828734A (en) | 1985-07-10 | 1998-10-27 | Ronald A. Katz Technology Licensing, Lp | Telephone interface call processing system with call selectivity |
| DE4007390A1 (de) * | 1990-03-08 | 1991-09-12 | Krupp Polysius Ag | Verfahren und vorrichtung zum einbringen von pulverfoermigen reagenzien in eine schmelzpfanne |
| US12142799B2 (en) | 2018-03-30 | 2024-11-12 | Osaka Gas Co., Ltd. | Electrochemical element stack, electrochemical element, electrochemical module, electrochemical device, and energy system |
| JP7345267B2 (ja) | 2019-03-29 | 2023-09-15 | 大阪瓦斯株式会社 | 電気化学素子、電気化学モジュール、電気化学装置及びエネルギーシステム |
| JP7241588B2 (ja) | 2019-03-29 | 2023-03-17 | 大阪瓦斯株式会社 | 電気化学素子、電気化学モジュール、電気化学装置及びエネルギーシステム |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT224673B (de) * | 1960-03-31 | 1962-12-10 | Hoesch Ag | Vorrichtung zum Einbringen von feinkörnigen Zusatzstoffen in Metallschmelzen |
| FR1271633A (fr) * | 1960-08-02 | 1961-09-15 | Siderurgie Fse Inst Rech | Dispositif de traitement des métaux ferreux liquides par insufflation d'un gaz au moyen d'une lance excentrée |
| US3545960A (en) * | 1967-04-25 | 1970-12-08 | Union Carbide Corp | Alloy addition process |
| US3627294A (en) * | 1970-03-25 | 1971-12-14 | Atlantic Richfield Co | Protection sleeve for dip tubes |
| FI56857C (fi) * | 1977-06-21 | 1980-04-10 | Outokumpu Oy | Saett och anordning foer raffinering av smaeltor med ett pulverformigt fast material och/eller gas |
| US4341554A (en) * | 1981-04-02 | 1982-07-27 | Jones & Laughlin Steel Incorporated | Process for desulfurizing steel |
| JPS59150009A (ja) * | 1983-02-12 | 1984-08-28 | Daido Steel Co Ltd | 鋼の精錬方法 |
| DE3311617C1 (de) * | 1983-03-30 | 1984-10-25 | Messer Griesheim Gmbh, 6000 Frankfurt | Verfahren und Einrichtung zum Spuelen einer Metallschmelze,insbesondere von Stahl,in einer Giesspfanne |
| US4481032A (en) * | 1983-08-12 | 1984-11-06 | Pfizer Inc. | Process for adding calcium to a bath of molten ferrous material |
-
1988
- 1988-05-20 DE DE3817358A patent/DE3817358A1/de not_active Withdrawn
-
1989
- 1989-04-25 AT AT89107446T patent/ATE77840T1/de not_active IP Right Cessation
- 1989-04-25 ES ES198989107446T patent/ES2032624T3/es not_active Expired - Lifetime
- 1989-04-25 DE DE8989107446T patent/DE58901760D1/de not_active Expired - Fee Related
- 1989-04-25 EP EP89107446A patent/EP0342395B1/de not_active Expired - Lifetime
- 1989-05-08 CA CA000598935A patent/CA1315102C/en not_active Expired - Fee Related
-
1990
- 1990-09-17 US US07/584,365 patent/US5062615A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE58901760D1 (de) | 1992-08-06 |
| EP0342395A1 (de) | 1989-11-23 |
| US5062615A (en) | 1991-11-05 |
| EP0342395B1 (de) | 1992-07-01 |
| CA1315102C (en) | 1993-03-30 |
| DE3817358A1 (de) | 1989-11-30 |
| ES2032624T3 (es) | 1993-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |