KR840003291A - 저수소함량의 강철 제조방법 - Google Patents
저수소함량의 강철 제조방법 Download PDFInfo
- Publication number
- KR840003291A KR840003291A KR1019830000235A KR830000235A KR840003291A KR 840003291 A KR840003291 A KR 840003291A KR 1019830000235 A KR1019830000235 A KR 1019830000235A KR 830000235 A KR830000235 A KR 830000235A KR 840003291 A KR840003291 A KR 840003291A
- Authority
- KR
- South Korea
- Prior art keywords
- melt
- gas
- vent
- decarbonization
- slack
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims 4
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 239000010959 steel Substances 0.000 title claims 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title 1
- 229910052739 hydrogen Inorganic materials 0.000 title 1
- 239000001257 hydrogen Substances 0.000 title 1
- 239000007789 gas Substances 0.000 claims 13
- 239000000155 melt Substances 0.000 claims 11
- 238000000034 method Methods 0.000 claims 8
- 238000007792 addition Methods 0.000 claims 5
- 238000005262 decarbonization Methods 0.000 claims 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- 239000006185 dispersion Substances 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 3
- 229910052799 carbon Inorganic materials 0.000 claims 3
- 239000003085 diluting agent Substances 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 229910052786 argon Inorganic materials 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 239000006166 lysate Substances 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims 1
- 235000011941 Tilia x europaea Nutrition 0.000 claims 1
- 238000005273 aeration Methods 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000112 cooling gas Substances 0.000 claims 1
- 238000007872 degassing Methods 0.000 claims 1
- 239000002270 dispersing agent Substances 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000004571 lime Substances 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000010943 off-gassing Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Steel (AREA)
- Luminescent Compositions (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Coating With Molten Metal (AREA)
- Catalysts (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (9)
- 적어도 하나의 액침 통기공이 장치되어 있고 합금시킬 수 있고 용해물에 대해 슬랙 형성 첨가가 가능한 정제 베셀로 강철 용해물을 충진하고, 산소와 희색 기체로 구성된 기체 혼합물을 상기 통기공(돌)을 통해 용해물에 주입하여 용합물을 탈탄화시키고, 그 탈탄화는 상기 통기공(들)을 통해 용해물에 분산기체를 주입하고 상기 통기공(들)을 제조공정의 적어도 일부분 중에 기체 냉각 시킴을 특징으로 하여 적어도 한번의 환원 또는 마무리 단계가 계속 이루어지는 강철의 제조 공정에 있어, (A)용해물이 충진되는 곳으로 필수적으로 건조한 정제 베셀을 제공하고; (B)통기공(들)에 필수적으로 건조한 냉각 기체를 공급하고; (C)탈 탄화를 개시하기 전 용해물에 필수적으로 모든 슬랙형성, 첨가를 완결하고; (D)탈탄화의 개시전에 슬랙-형성 첨가를 용융시키고; (E)탈탄화의 개시전에 모든 다른 것을 실제적으로 용해물에 산화합금 첨가를 완결하고, (F)침윤시키는 것으로 부터 베셀로 공기를 유지시키기에 충분하게 탈기류를 주입하기에 충분한 유속에서 옹해물로부터 적어도 약 0.2중량%탄소를 제거하기에 충분한 산소와 희석기체의 기체 혼합물을 상기 통기공(들)을 통하여 용해물에 주입시킴에 의해 필수적으로 목표로 하는 탄소함량으로 용해물을 탈탄화시키고, (G)적어도 용해물의 통당 100입방피트에 동일한 약으로 상기 통기공을 통해 용해물에 충분한 유율로 분산기체를 주입함에 의해 환원 및/또는 마무리 단계(들) 도중에 상기 탈기류를 유지시킴을 조합하여 그 개선점을 특징으로 하는 저 수조 함량의 강철 제조방법.
- 상기 1항에 있어서 상기 슬랙-형성 첨가는 석회임을 특징으로 하는 방법.
- 상기 1항에 있어 상기 희석기체는 질소임을 특징으로 하는 방법.
- 상기 1항에 있어 상기 희석기체는 아르곤임을 특징으로 하는 방법.
- 상기 1항에 있어 상기 분산기체는 질소임을 특징으로 하는 방법.
- 상기 1항에 있어 상기 분산기체는 아르곤임을 특징으로 하는 방법.
- 상기 1항에 있어 상기 분산기체는 용해물의 톤당 적어도 150입방피트와 같은 양으로 용해물에 주입함을 특징으로 하는 방법.
- 상기 1항에 있어 상기 기체 혼합물은 적어도 0.3%의 탄소를 제거하기 위해 용해물에 주입함을 특징으로 하는 방법.
- ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/341,440 US4436553A (en) | 1982-01-22 | 1982-01-22 | Process to produce low hydrogen steel |
| US341440 | 1982-01-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR840003291A true KR840003291A (ko) | 1984-08-20 |
| KR890003973B1 KR890003973B1 (ko) | 1989-10-14 |
Family
ID=23337584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019830000235A KR890003973B1 (ko) | 1982-01-22 | 1983-01-21 | 저수소함량의 강 제조방법 |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4436553A (ko) |
| EP (1) | EP0087328B1 (ko) |
| JP (1) | JPS58174518A (ko) |
| KR (1) | KR890003973B1 (ko) |
| AT (1) | ATE20251T1 (ko) |
| AU (1) | AU557261B2 (ko) |
| BR (1) | BR8300308A (ko) |
| CA (1) | CA1202181A (ko) |
| DE (1) | DE3363843D1 (ko) |
| ES (1) | ES519135A0 (ko) |
| FI (1) | FI72747C (ko) |
| GR (1) | GR77853B (ko) |
| MX (1) | MX166925B (ko) |
| NO (1) | NO159732C (ko) |
| PL (1) | PL240252A1 (ko) |
| RO (1) | RO88461A (ko) |
| SU (1) | SU1384207A3 (ko) |
| YU (1) | YU43294B (ko) |
| ZA (1) | ZA83425B (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451288A (en) * | 1982-06-29 | 1984-05-29 | Union Carbide Corporation | Method for producing low hydrogen content in steels produced by subsurface pneumatic refining |
| US20060207673A1 (en) * | 2005-03-18 | 2006-09-21 | O'brien John V | Vacuum insulated assured flow piping |
| US7775006B2 (en) * | 2006-01-03 | 2010-08-17 | Konstantinos Giannos | Fire stop system for wallboard and metal fluted deck construction |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3252790A (en) | 1956-06-27 | 1966-05-24 | Union Carbide Corp | Preparation of metals and alloys |
| GB858404A (en) * | 1956-06-27 | 1961-01-11 | Union Carbide Corp | A method of lowering the carbon content of chromium-bearing steels |
| BE610265A (ko) | 1960-11-18 | |||
| DE1909780A1 (de) * | 1969-02-27 | 1970-11-19 | Maximilianshuette Eisenwerk | Verfahren zum Senken der Sauerstoff- und Wasserstoffgehalte in kohlenstoffarmen Staehlen |
| US3816720A (en) | 1971-11-01 | 1974-06-11 | Union Carbide Corp | Process for the decarburization of molten metal |
| US3754894A (en) * | 1972-04-20 | 1973-08-28 | Joslyn Mfg & Supply Co | Nitrogen control in argon oxygen refining of molten metal |
| DE2314843C2 (de) * | 1973-03-24 | 1975-01-30 | Fried. Krupp Huettenwerke Ag, 4630 Bochum | Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke |
| US3854932A (en) | 1973-06-18 | 1974-12-17 | Allegheny Ludlum Ind Inc | Process for production of stainless steel |
| US3861888A (en) | 1973-06-28 | 1975-01-21 | Union Carbide Corp | Use of CO{HD 2 {B in argon-oxygen refining of molten metal |
| US4208206A (en) | 1977-03-31 | 1980-06-17 | Union Carbide Corporation | Method for producing improved metal castings by pneumatically refining the melt |
| US4187102A (en) | 1978-08-24 | 1980-02-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
| US4278464A (en) | 1979-12-27 | 1981-07-14 | Union Carbide Corporation | Method for preventing slopping during subsurface pneumatic refining of steel |
| JPS6040490B2 (ja) * | 1980-04-21 | 1985-09-11 | 日本鋼管株式会社 | 容器内溶鋼の精錬方法 |
| DE3034430A1 (de) * | 1980-09-12 | 1982-04-29 | Boschgotthardshütte O.Breyer GmbH, 5900 Siegen | Verfahren zum zweistufigen herstellen von edelbau- und werkzeugstaehlen |
-
1982
- 1982-01-22 US US06/341,440 patent/US4436553A/en not_active Expired - Fee Related
-
1983
- 1983-01-14 CA CA000419465A patent/CA1202181A/en not_active Expired
- 1983-01-17 FI FI830153A patent/FI72747C/fi not_active IP Right Cessation
- 1983-01-18 EP EP83400118A patent/EP0087328B1/en not_active Expired
- 1983-01-18 DE DE8383400118T patent/DE3363843D1/de not_active Expired
- 1983-01-18 AT AT83400118T patent/ATE20251T1/de not_active IP Right Cessation
- 1983-01-20 ES ES519135A patent/ES519135A0/es active Granted
- 1983-01-20 GR GR70307A patent/GR77853B/el unknown
- 1983-01-21 PL PL24025283A patent/PL240252A1/xx unknown
- 1983-01-21 SU SU833543248A patent/SU1384207A3/ru active
- 1983-01-21 ZA ZA83425A patent/ZA83425B/xx unknown
- 1983-01-21 JP JP58007491A patent/JPS58174518A/ja active Granted
- 1983-01-21 RO RO83109803A patent/RO88461A/ro unknown
- 1983-01-21 MX MX007952A patent/MX166925B/es unknown
- 1983-01-21 KR KR1019830000235A patent/KR890003973B1/ko not_active IP Right Cessation
- 1983-01-21 YU YU132/83A patent/YU43294B/xx unknown
- 1983-01-21 AU AU10696/83A patent/AU557261B2/en not_active Ceased
- 1983-01-21 NO NO830197A patent/NO159732C/no unknown
- 1983-01-24 BR BR8300308A patent/BR8300308A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| YU43294B (en) | 1989-06-30 |
| FI72747B (fi) | 1987-03-31 |
| AU557261B2 (en) | 1986-12-18 |
| EP0087328A1 (en) | 1983-08-31 |
| US4436553A (en) | 1984-03-13 |
| ZA83425B (en) | 1983-10-26 |
| SU1384207A3 (ru) | 1988-03-23 |
| FI830153L (fi) | 1983-07-23 |
| BR8300308A (pt) | 1983-10-25 |
| NO830197L (no) | 1983-07-25 |
| DE3363843D1 (en) | 1986-07-10 |
| ES8403162A1 (es) | 1984-03-01 |
| PL240252A1 (en) | 1983-09-26 |
| EP0087328B1 (en) | 1986-06-04 |
| AU1069683A (en) | 1983-07-28 |
| JPH0128807B2 (ko) | 1989-06-06 |
| NO159732C (no) | 1989-02-01 |
| CA1202181A (en) | 1986-03-25 |
| NO159732B (no) | 1988-10-24 |
| KR890003973B1 (ko) | 1989-10-14 |
| YU13283A (en) | 1986-02-28 |
| RO88461A (ro) | 1986-01-30 |
| ES519135A0 (es) | 1984-03-01 |
| MX166925B (es) | 1993-02-15 |
| JPS58174518A (ja) | 1983-10-13 |
| FI830153A0 (fi) | 1983-01-17 |
| FI72747C (fi) | 1987-07-10 |
| GR77853B (ko) | 1984-09-25 |
| ATE20251T1 (de) | 1986-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 19930927 Year of fee payment: 5 |
|
| LAPS | Lapse due to unpaid annual fee |