KR830004444A - 스텐레스강 제조방법 - Google Patents
스텐레스강 제조방법 Download PDFInfo
- Publication number
- KR830004444A KR830004444A KR1019800004588A KR800004588A KR830004444A KR 830004444 A KR830004444 A KR 830004444A KR 1019800004588 A KR1019800004588 A KR 1019800004588A KR 800004588 A KR800004588 A KR 800004588A KR 830004444 A KR830004444 A KR 830004444A
- Authority
- KR
- South Korea
- Prior art keywords
- stainless steel
- reactor
- steel according
- starting material
- producing stainless
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 title claims 11
- 239000010935 stainless steel Substances 0.000 title claims 11
- 239000007858 starting material Substances 0.000 claims 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 5
- 229910052804 chromium Inorganic materials 0.000 claims 5
- 239000011651 chromium Substances 0.000 claims 5
- 239000000463 material Substances 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 2
- 239000012159 carrier gas Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 239000012495 reaction gas Substances 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229910000423 chromium oxide Inorganic materials 0.000 claims 1
- 239000010419 fine particle Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
- C21B13/125—By using plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/36—Other control devices or valves characterised by definite functions
- B60T15/42—Other control devices or valves characterised by definite functions with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/006—Starting from ores containing non ferrous metallic oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
본 발명에 따른 제조공정을 표시한 개략도.
Claims (13)
- 산화크롬 및 산화철을 포함한 시작물질을 리액터 하부에 유입시키는 단계, 고체 환원매체를 포함하는 상기 리액터 상기 시작물질을 상기 리액터 하부에 있는 환원층으로 유입하는 단계, 인근에 플라즈마 발생기를 사용하여 유지되는 상기 환원층, 상기 환원층에서 상기 시작물질을 즉각 환원 용해하는 단계 및 용해 환원된 크롬 함유물을 리액터 하부에서 제거하는 단계를 구비한 것을 특징으로 하는 스텐레스강 제조 방법.
- 시작물질이 미세한 입자로된 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.
- 1500∼1650℃의 온도에서 리액터의 용해물질 온도를 유지하는 단계를 구비한 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.
- 시작물질이 탄소 또는 탄화수소를 포함하는 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.
- 시작물질이 슬래그를 포함하는 특허청구의 범위 4항 기재의 스텐레스강 제조방법.
- 시작물질이 캐리어 개스와 함께 리액터 내로 불려 들어가는 특허청구의 범위 1,2,3,4항 기재의 스텐레스강 제조방법.
- 리액터 내에서 발생된 반응개스의 일부분이 캐리어 개스로 사용되는 특허청구의 범위 제6항 기재의 스텐레스강 제조방법.
- 리액터 내에서 발생된 반응개스의 일부가 플라즈마 개스로 사용되는 특허청구의 범위 제6항 기재의 스텐레스강 제조방법.
- 크롬함유, 미완성철에 함유된 실리콘의 일부가 리액터 내의 온도수준을 제어하여 조정되는 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.
- 크롬함유 물질이 리액터에서 제거된 후 정제되는 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.
- 크롬함유 물질이 AOD 변환기에서 더 정제되는 특허청구의 범위 제10항 기재의 스텐레스강 제조방법.
- 시작물질을 미리 환원시키는 단계를 구비한 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.
- 시작물질내에 크롬함유 물질을 포함하고 있는 배기가스 분말이 있는 특허청구의 범위 제1항 기재의 스텐레스강 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8004311A SE429561B (sv) | 1980-06-10 | 1980-06-10 | Sett for kontinuerlig framstellning av lagkolhaltiga kromstal av kromoxidhaltiga utgangsmaterial med hjelp av en plasmagenerator |
SE80.4.311-0 | 1980-06-10 | ||
SE8004311-0 | 1980-06-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830004444A true KR830004444A (ko) | 1983-07-13 |
KR850001211B1 KR850001211B1 (ko) | 1985-08-20 |
Family
ID=20341178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019800004588A KR850001211B1 (ko) | 1980-06-10 | 1980-12-01 | 크롬강의 제조방법 |
Country Status (24)
Country | Link |
---|---|
US (1) | US4340420A (ko) |
JP (1) | JPS5713107A (ko) |
KR (1) | KR850001211B1 (ko) |
AR (1) | AR222925A1 (ko) |
AT (1) | AT373918B (ko) |
AU (1) | AU532707B2 (ko) |
BE (1) | BE886231A (ko) |
BR (1) | BR8100089A (ko) |
CA (1) | CA1146759A (ko) |
CS (1) | CS221943B2 (ko) |
DD (1) | DD155331A5 (ko) |
DE (1) | DE3042239C2 (ko) |
ES (1) | ES496764A0 (ko) |
FI (1) | FI803614L (ko) |
FR (1) | FR2483960B1 (ko) |
GB (1) | GB2077766B (ko) |
IT (1) | IT1142165B (ko) |
MX (1) | MX155709A (ko) |
OA (1) | OA06823A (ko) |
PH (1) | PH16588A (ko) |
PL (1) | PL229281A1 (ko) |
SE (1) | SE429561B (ko) |
ZA (1) | ZA807153B (ko) |
ZW (1) | ZW29480A1 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE457265B (sv) * | 1981-06-10 | 1988-12-12 | Sumitomo Metal Ind | Foerfarande och anlaeggning foer framstaellning av tackjaern |
SE450898B (sv) * | 1981-09-03 | 1987-08-10 | Skf Steel Eng Ab | Sett vid anvendning av en plasmagenerator for tillforsel av vermeenergi, samt anordning for genomforande av settet |
AU552070B2 (en) * | 1981-10-19 | 1986-05-22 | Council For Mineral Technology | Producing and treating ferro chrome by arc thermal plasma |
SE451033B (sv) * | 1982-01-18 | 1987-08-24 | Skf Steel Eng Ab | Sett och anordning for omvandling av avfallsmaterial med plasmagenerator |
SE436124B (sv) * | 1982-09-08 | 1984-11-12 | Skf Steel Eng Ab | Sett att framstella ferrokisel |
US4583229A (en) * | 1984-01-09 | 1986-04-15 | Aluminum Company Of America | Metal melting system |
SE453304B (sv) * | 1984-10-19 | 1988-01-25 | Skf Steel Eng Ab | Sett for framstellning av metaller och/eller generering av slagg fran oxidmalmer |
FR2573437B1 (fr) * | 1984-11-21 | 1989-09-15 | Siderurgie Fse Inst Rech | Procede pour la conduite d'un haut fourneau, notamment d'un haut fourneau siderurgique |
DE3535572A1 (de) * | 1985-10-03 | 1987-04-16 | Korf Engineering Gmbh | Verfahren zur herstellung von roheisen aus feinerz |
DE3708730A1 (de) * | 1987-03-18 | 1988-09-29 | Kloeckner Stahl Gmbh | Verfahren zum wiedereinsatz von filterstaeuben |
US4996694A (en) * | 1988-04-19 | 1991-02-26 | Skf Plasma Technologies Ab | Method and apparatus for melting iron and steel scrap |
DE4115348C2 (de) * | 1991-05-10 | 2000-08-10 | Deutz Ag | Verfahren zur Hochtemperaturbehandlung von feinkörnigen Feststoffen in einem Schmelzzyklon |
US5399833A (en) * | 1993-07-02 | 1995-03-21 | Camacho; Salvador L. | Method for vitrification of fine particulate matter and products produced thereby |
US5634960A (en) * | 1995-02-16 | 1997-06-03 | Elkem A/S | Scrap melting in a submerged arc furnace |
AT407400B (de) * | 1998-10-07 | 2001-02-26 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen von eisen, insbesondere stahl |
US6826721B2 (en) | 2001-11-01 | 2004-11-30 | Agilent Technoloiges, Inc. | Data accelerator and methods for increasing data throughput |
AU2003901692A0 (en) * | 2003-04-10 | 2003-05-01 | Technological Resources Pty Ltd | Direct smelting plant |
CN103526047A (zh) * | 2013-09-27 | 2014-01-22 | 泰州永兴合金材料科技有限公司 | 一种褐铁矿型红土镍矿的冶炼方法及其产品 |
CN103540769B (zh) * | 2013-09-27 | 2015-12-23 | 泰州永兴合金材料科技有限公司 | 一种红土镍矿制备精炼式不锈钢的方法及其产品 |
CN109628676B (zh) * | 2019-01-07 | 2020-10-30 | 山西赛思普科技有限公司 | 一种直接生产纯净铁水的短流程工艺 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2846300A (en) * | 1952-07-23 | 1958-08-05 | Wenzel Werner | Process for smelting ores |
US2781255A (en) * | 1955-11-16 | 1957-02-12 | Union Carbide & Carbon Corp | Treatment of fumes containing suspended solids |
FR1452850A (fr) * | 1965-08-04 | 1966-04-15 | Siderurgie Fse Inst Rech | Procédé de réduction de minerais au four électrique |
US3615348A (en) * | 1968-07-31 | 1971-10-26 | Armco Steel Corp | Stainless steel melting practice |
US3728101A (en) * | 1970-11-09 | 1973-04-17 | Armco Steel Corp | Process for making stainless steel |
US4072504A (en) * | 1973-01-26 | 1978-02-07 | Aktiebolaget Svenska Kullagerfabriken | Method of producing metal from metal oxides |
SE388210B (sv) * | 1973-01-26 | 1976-09-27 | Skf Svenska Kullagerfab Ab | Sett vid reduktion av metall ur metalloxider |
DE2656725C2 (de) * | 1976-12-15 | 1982-12-23 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum kontinuierlichen Erschmelzen von Ferrochrom |
SE422078B (sv) * | 1977-08-29 | 1982-02-15 | Asea Ab | Sett vid forgasning av brenslen |
-
1980
- 1980-06-10 SE SE8004311A patent/SE429561B/sv not_active IP Right Cessation
- 1980-10-24 US US06/200,151 patent/US4340420A/en not_active Expired - Lifetime
- 1980-10-29 GB GB8034805A patent/GB2077766B/en not_active Expired
- 1980-11-08 DE DE3042239A patent/DE3042239C2/de not_active Expired
- 1980-11-12 ES ES496764A patent/ES496764A0/es active Granted
- 1980-11-14 AT AT0561680A patent/AT373918B/de not_active IP Right Cessation
- 1980-11-18 ZA ZA19807152A patent/ZA807153B/xx unknown
- 1980-11-18 BE BE0/202851A patent/BE886231A/fr not_active IP Right Cessation
- 1980-11-19 CA CA000365035A patent/CA1146759A/en not_active Expired
- 1980-11-19 FI FI803614A patent/FI803614L/fi not_active Application Discontinuation
- 1980-11-20 AU AU64565/80A patent/AU532707B2/en not_active Ceased
- 1980-11-27 AR AR283404A patent/AR222925A1/es active
- 1980-12-01 KR KR1019800004588A patent/KR850001211B1/ko active
- 1980-12-02 JP JP17020180A patent/JPS5713107A/ja active Granted
- 1980-12-02 ZW ZW294/80A patent/ZW29480A1/xx unknown
- 1980-12-05 FR FR8025944A patent/FR2483960B1/fr not_active Expired
- 1980-12-10 MX MX185141A patent/MX155709A/es unknown
- 1980-12-11 CS CS808732A patent/CS221943B2/cs unknown
- 1980-12-15 DD DD80226095A patent/DD155331A5/de not_active IP Right Cessation
- 1980-12-23 PH PH25022A patent/PH16588A/en unknown
- 1980-12-30 IT IT27000/80A patent/IT1142165B/it active
-
1981
- 1981-01-08 BR BR8100089A patent/BR8100089A/pt unknown
- 1981-01-20 PL PL22928181D patent/PL229281A1/xx unknown
- 1981-06-08 OA OA57417A patent/OA06823A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PH16588A (en) | 1983-11-22 |
MX155709A (es) | 1988-04-18 |
ATA561680A (de) | 1983-07-15 |
ZA807153B (en) | 1981-11-25 |
IT1142165B (it) | 1986-10-08 |
BE886231A (fr) | 1981-03-16 |
FR2483960B1 (fr) | 1986-04-18 |
BR8100089A (pt) | 1982-08-17 |
AU6456580A (en) | 1981-12-17 |
JPS622602B2 (ko) | 1987-01-21 |
SE8004311L (sv) | 1981-12-11 |
DD155331A5 (de) | 1982-06-02 |
DE3042239A1 (de) | 1981-12-24 |
US4340420A (en) | 1982-07-20 |
ES8107318A1 (es) | 1981-10-16 |
AR222925A1 (es) | 1981-06-30 |
IT8027000A0 (it) | 1980-12-30 |
DE3042239C2 (de) | 1985-06-13 |
SE429561B (sv) | 1983-09-12 |
OA06823A (fr) | 1982-12-31 |
JPS5713107A (en) | 1982-01-23 |
AU532707B2 (en) | 1983-10-13 |
AT373918B (de) | 1984-03-12 |
ES496764A0 (es) | 1981-10-16 |
PL229281A1 (ko) | 1982-06-07 |
CA1146759A (en) | 1983-05-24 |
ZW29480A1 (en) | 1981-02-18 |
GB2077766A (en) | 1981-12-23 |
KR850001211B1 (ko) | 1985-08-20 |
GB2077766B (en) | 1984-07-11 |
FI803614L (fi) | 1981-12-11 |
CS221943B2 (en) | 1983-04-29 |
FR2483960A1 (fr) | 1981-12-11 |
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