FI20217132A1 - Kombinerad smältning av smältslagg och rester från rostfritt stål och ferrokrom produktion - Google Patents
Kombinerad smältning av smältslagg och rester från rostfritt stål och ferrokrom produktion Download PDFInfo
- Publication number
- FI20217132A1 FI20217132A1 FI20217132A FI20217132A FI20217132A1 FI 20217132 A1 FI20217132 A1 FI 20217132A1 FI 20217132 A FI20217132 A FI 20217132A FI 20217132 A FI20217132 A FI 20217132A FI 20217132 A1 FI20217132 A1 FI 20217132A1
- Authority
- FI
- Finland
- Prior art keywords
- metal
- slag
- stainless steel
- ferrochromium
- converter
- Prior art date
Links
- 239000002893 slag Substances 0.000 title claims abstract description 61
- 239000010935 stainless steel Substances 0.000 title claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 22
- 229910000604 Ferrochrome Inorganic materials 0.000 title claims abstract description 21
- 238000003723 Smelting Methods 0.000 title abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 26
- 229910044991 metal oxide Inorganic materials 0.000 claims description 18
- 150000004706 metal oxides Chemical class 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 12
- 238000010891 electric arc Methods 0.000 claims description 10
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 239000013618 particulate matter Substances 0.000 claims 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010310 metallurgical process Methods 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- -1 scale Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 12
- 238000003672 processing method Methods 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- 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
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
- C04B5/06—Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/20—Arc remelting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
-
- 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
- C21C2200/00—Recycling of waste material
-
- 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
- Y02P10/20—Recycling
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Ceramic Engineering (AREA)
- Analytical Chemistry (AREA)
- Structural Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20195153A FI20195153A1 (sv) | 2019-03-01 | 2019-03-01 | Utnyttjande av metall- och metalloxidhaltiga sidoströmmar med hjälp av ljusbågsugnsteknologi |
| PCT/FI2020/050129 WO2020178480A1 (en) | 2019-03-01 | 2020-02-28 | Combined smelting of molten slags and residuals from stainless steel and ferrochromium works |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI20217132A1 true FI20217132A1 (sv) | 2021-08-26 |
Family
ID=72337367
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20195153A FI20195153A1 (sv) | 2019-03-01 | 2019-03-01 | Utnyttjande av metall- och metalloxidhaltiga sidoströmmar med hjälp av ljusbågsugnsteknologi |
| FI20217132A FI20217132A1 (sv) | 2019-03-01 | 2020-02-28 | Kombinerad smältning av smältslagg och rester från rostfritt stål och ferrokrom produktion |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20195153A FI20195153A1 (sv) | 2019-03-01 | 2019-03-01 | Utnyttjande av metall- och metalloxidhaltiga sidoströmmar med hjälp av ljusbågsugnsteknologi |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP2022523397A (sv) |
| KR (1) | KR20210134310A (sv) |
| CN (1) | CN113366129A (sv) |
| CA (1) | CA3129671A1 (sv) |
| FI (2) | FI20195153A1 (sv) |
| SE (1) | SE2150998A1 (sv) |
| TW (1) | TW202033771A (sv) |
| WO (1) | WO2020178480A1 (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265534B (zh) * | 2021-04-14 | 2023-03-31 | 嘉峪关宏电铁合金有限责任公司 | 一种低品铬铁渣再利用生产工艺 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA963234B (en) * | 1995-05-02 | 1996-07-29 | Holderbank Financ Glarus | Process for the production of hydraulic binders and/or alloys such as e g ferrochromium of ferrovanadium |
| AT405839B (de) * | 1996-01-17 | 1999-11-25 | Holderbank Financ Glarus | Verfahren zum herstellen von roheisen, buntmetall-legierungen, fecr und synthetischen hochofenschlacken unter verwendung von metalloxidhaltigen müllverbrennungsrückständen oder schlacken |
| JP3539263B2 (ja) * | 1999-02-03 | 2004-07-07 | Ｊｆｅスチール株式会社 | 金属含有物からの還元金属の製造方法および還元金属製造用移動型炉床炉 |
| AT407263B (de) * | 1999-04-22 | 2001-02-26 | Holderbank Financ Glarus | Verfahren zum aufarbeiten von stahlschlacken |
| JP2001316712A (ja) * | 2000-05-02 | 2001-11-16 | Nippon Steel Corp | 含クロム滓からのクロム回収方法 |
| ZA200300865B (en) * | 2001-06-18 | 2004-02-26 | Kobe Steel Ltd | Method for manufacturing metal nuggets. |
| AT412349B (de) * | 2003-06-25 | 2005-01-25 | Voest Alpine Ind Anlagen | Verfahren zur herstellung einer legierten metallschmelze und erzeugungsanlage hierzu |
| KR20050109763A (ko) * | 2004-05-17 | 2005-11-22 | 주식회사 포스코 | 스테인레스 제강 슬래그의 유가금속 회수방법 |
| KR100793591B1 (ko) * | 2006-12-28 | 2008-01-14 | 주식회사 포스코 | 산화크롬 함유 슬래그로부터의 크롬 금속 환원 방법 |
| CN107058677A (zh) * | 2017-05-22 | 2017-08-18 | 山西太钢不锈钢股份有限公司 | 一种利用不锈钢电炉渣的冶炼方法 |
| CN108676942A (zh) * | 2018-05-18 | 2018-10-19 | 廖辉明 | 一种含铁和或锌铅铜锡等物料与熔融钢渣协同处理回收方法 |
-
2019
- 2019-03-01 FI FI20195153A patent/FI20195153A1/sv not_active Application Discontinuation
-
2020
- 2020-02-27 TW TW109106471A patent/TW202033771A/zh unknown
- 2020-02-28 CN CN202080012085.9A patent/CN113366129A/zh active Pending
- 2020-02-28 SE SE2150998A patent/SE2150998A1/en unknown
- 2020-02-28 CA CA3129671A patent/CA3129671A1/en active Pending
- 2020-02-28 JP JP2021551575A patent/JP2022523397A/ja active Pending
- 2020-02-28 KR KR1020217025564A patent/KR20210134310A/ko unknown
- 2020-02-28 FI FI20217132A patent/FI20217132A1/sv unknown
- 2020-02-28 WO PCT/FI2020/050129 patent/WO2020178480A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022523397A (ja) | 2022-04-22 |
| TW202033771A (zh) | 2020-09-16 |
| CA3129671A1 (en) | 2020-09-10 |
| FI20195153A1 (sv) | 2020-09-02 |
| CN113366129A (zh) | 2021-09-07 |
| WO2020178480A1 (en) | 2020-09-10 |
| KR20210134310A (ko) | 2021-11-09 |
| SE2150998A1 (en) | 2021-08-12 |
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