HRP20170259T1 - Postupak i uređaj za kontinuiranu proizvodnju rastaljenog čelika iz otpadnog metala - Google Patents

Postupak i uređaj za kontinuiranu proizvodnju rastaljenog čelika iz otpadnog metala Download PDF

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Publication number
HRP20170259T1
HRP20170259T1 HRP20170259TT HRP20170259T HRP20170259T1 HR P20170259 T1 HRP20170259 T1 HR P20170259T1 HR P20170259T T HRP20170259T T HR P20170259TT HR P20170259 T HRP20170259 T HR P20170259T HR P20170259 T1 HRP20170259 T1 HR P20170259T1
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Croatia
Prior art keywords
furnace
continuous
dust
molten steel
gas
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HRP20170259TT
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English (en)
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Leopold Seirlehner
Günther TUKAY
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Leopold Seirlehner
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Publication of HRP20170259T1 publication Critical patent/HRP20170259T1/hr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
    • H01J37/3405—Magnetron sputtering
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/305—Afterburning
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/562—Manufacture of steel by other methods starting from scrap
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/567—Manufacture of steel by other methods operating in a continuous way
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
    • C23C14/325—Electric arc evaporation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32055—Arc discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32431—Constructional details of the reactor
    • H01J37/32532—Electrodes
    • H01J37/32614—Consumable cathodes for arc discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32431—Constructional details of the reactor
    • H01J37/3266—Magnetic control means
    • H01J37/32669—Particular magnets or magnet arrangements for controlling the discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411—Constructional aspects of the reactor
    • H01J37/3414—Targets
    • H01J37/3417—Arrangements
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/62—Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Claims (14)

1. Postupak kontinuirane proizvodnje rastaljenog čelika iz otpadnog metala, obuhvaća korake: - kontinuirano taljenje otpadnog metala u vertikalnoj peći (1), - otpuštanje proizvedenog rastaljenog čelika i akumulirane troske kroz odvodni otvor (11) organiziran u donjem dijelu vertikalne peći (1), - kontinuirano uvođenje otpuštenog otopljenog čelika i troske u kontinuiranu peć (13), - kontinuirano zagrijavanje i usitnjavanje rastaljenog čelika u kontinuiranoj peći (13), - otpuštanje rastaljenog čelika i troske iz kontinuirane peći (13) kontinuirano i odvojeno jedne od druge, - povlačenje plina iz kontinuirane peći (13), - barem djelomično uklanjanje prašine iz plina iz peći, - provođenje barem plina iz kojeg je barem djelomično uklonjena prašina kroz kotao za povrat otpadne topline (27) kako bi se toplinu koristilo za uporabu pri generiranju energije, - uporaba plina iz peći kao goriva za plamenik (7) vertikalne peći (1).
2. Postupak sukladno zahtjevu 1, naznačen time što se elektrolučna peć koristi kao kontinuirana peć (13), čija kada (60) ima veću dimenziju u smjeru protoka (61) nego transverzalno u odnosu na njega.
3. Postupak sukladno zahtjevu 1 ili 2, naznačen time što ispušni plin koji je izvučen iz vertikalne peći (1) se dovodi do termalnog naknadnog sagorijevanja.
4. Postupak sukladno zahtjevu 1, 2 or 3, naznačen time što je plin izvučen iz kontinuirane peći (13) i/ili plin izvučen iz vertikalne peći (1) podvrgnut koraku uklanjanja prašine, i odvojena prašina se topi u reaktoru za topljenje prašine (56).
5. Postupak sukladno bilo kojem od zahtjeva 1 do 4, naznačen time što se prašina otopljena u reaktoru za topljenje prašine (56) vraća u kontinuiranu peć (13).
6. Postupak sukladno bilo kojem od zahtjeva 1 do 5, naznačen time što plin izvučen iz vertikalne peći (1) prolazi kroz kotao za povrat otpadne topline (44) kako bi se omogućila uporaba toplinske energije plina iz peći, i para koja je generirana u kotlu za povrat otpadne topline (44) poželjno se koristi u okružnim postrojenjima za zagrijavanje ili se pretvara u električnu struju pomoću parne turbine.
7. Postupak sukladno bilo kojem od zahtjeva 1 do 6, naznačen time što se stvara negativni pritisak u vertikalnoj peći (1) i/ili u kontinuiranoj peći (13).
8. Uređaj za kontinuiranu proizvodnju rastaljenog čelika od otpadnog metala, posebno u svrhu izvođenja postupka sukladno bilo kojem od zahtjeva 1 do 7, obuhvaća vertikalnu peć (1) za taljenje otpadnog metala, s odvodnim otvorom (11) za odvodnju rastaljenog čelika i akumulirane troske, i kontinuirana peć (13) spojena s odvodnim otvorom (11) za pregrijavanje i usitnjavanje otopljenog čelika, pri čemu kontinuirana peć (13) ima otvor za unutarnju opskrbu (14) na jednom kraju za uvođenje rastaljenog čelika ispuštenog iz vertikalne peći (1), prvi odvodni otvor (16) organiziran je na suprotnom kraju za odvođenje rastaljenog čelika, drugi odvodni otvor (18) organiziran je odvojeno od prvog odvodnog otvora za odvođenje troske, i odvod za dimne plinove (24), pri čemu je odvod (24) kontinuirane peći (13) spojen na uređaj za uklanjanje prašine i kotao za povrat otpadne topline (27) na način da odvodni plin može biti proveden kroz kotao za povrat otpadne topline (27), pri čemu se plinom iz peći opskrbljuje plamenik (7) vertikalne peći (1).
9. Uređaj sukladno zahtjevu 8, naznačen time što je kontinuirana peć (13) elektrolučna peć, čija kada (60) ima veću dimeziju u smjeru protoka (61) između ulaznog otvora (14) i prvog odvodnog otvora (16) nego okomito na njih.
10. Uređaj sukladno zahtjevu 8 ili 9, naznačen time što ispušni plin izvučen iz vertikalne cijevi (1) se dovodi do termalnog naknadnog sagorijevanja.
11. Uređaj sukladno zahtjevu 8, 9 ili 10, naznačen time što odvodni otvor (24, 40) kontinuirane peći (13) i/ili vertikalne peći (1) je spojen na uređaj za uklanjanje prašine, koji je spojen s reaktorom za taljenje prašine (56) za taljenje prašine koja je odvojena iz uređaja za uklanjanje prašine.
12. Uređaj sukladno zahtjevu 11, naznačen time što je reaktor za otapanje prašine (56) spojen s kontinuiranom peći (13) radi omogućavanja dovođenja otopljene prašine u kontinuiranu peć (13).
13. Uređaj sukladno bilo kojem od zahtjeva 8 do 12, naznačen time što je odvodni otvor (40) vertikalne peći (1) spojen s kotlom za povrat otpadne topline (44) na način da je spojen s kotlom za povrat otpadne topline (44) tako da otpadni plin može prolaziti kroz kotao za povrat otpadne topline (44).
14. Uređaj sukladno bilo kojem od zahtjeva 8 do 13, naznačen time što je ventilator (29, 50) spojen s vertikalnom peći (1) i/ili kontinuiranom peći (13) kako bi se stvorio negativan tlak u vertikalnoj peći (1) i/ili u kontinuiranoj peći (13).
HRP20170259TT 2013-02-19 2017-02-17 Postupak i uređaj za kontinuiranu proizvodnju rastaljenog čelika iz otpadnog metala HRP20170259T1 (hr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA131/2013A AT513281B1 (de) 2013-02-19 2013-02-19 Verfahren und eine Vorrichtung zur kontinuierlichen Erzeugung einer flüssigen Stahlschmelze aus Schrott
PCT/IB2014/000061 WO2014128541A1 (de) 2013-02-19 2014-01-23 Verfahren und eine vorrichtung zur kontinuierlichen erzeugung einer flüssigen stahlschmelze aus schrott

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HRP20170259T1 true HRP20170259T1 (hr) 2017-04-21

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Country Link
AT (1) AT513281B1 (hr)
DK (1) DK2959024T3 (hr)
ES (1) ES2616905T3 (hr)
HR (1) HRP20170259T1 (hr)
HU (1) HUE033110T2 (hr)
PL (1) PL2959024T3 (hr)
PT (1) PT2959024T (hr)
RS (1) RS55708B1 (hr)
SI (1) SI2959024T1 (hr)
WO (1) WO2014128541A1 (hr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328046A1 (fr) * 1975-10-14 1977-05-13 Siderurgie Fse Inst Rech Procede et dispositif d'elaboration d'acier a partir de produits solides riches en fer
GB2076858B (en) * 1980-04-08 1985-08-21 Nixon Ivor Gray Metallurgical processes utilising particular fuels
DE59107503D1 (de) * 1990-07-26 1996-04-11 Seirlehner Leopold Dipl Ing Verfahren zum Erschmelzen von Stahl sowie Einrichtung zur Durchführung dieses Verfahrens
DE4215858C2 (de) * 1992-05-14 1995-09-14 Metallgesellschaft Ag Verfahren und Vorrichtung zur Herstellung von Stahlschmelzen
LU90154B1 (fr) * 1997-10-17 1999-04-19 Wurth Paul Sa Procede pour la fusion en continu de produits metalliques solides
DE10205660B4 (de) * 2002-02-12 2010-11-25 Sms Siemag Aktiengesellschaft Verfarhen und Vorrichtung zur kontinuierlichen Stahlherstellung unter Einsatz von metallischen Einsatzmaterial

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WO2014128541A1 (de) 2014-08-28
ES2616905T3 (es) 2017-06-14
DK2959024T3 (en) 2017-02-27
EP2959024A1 (de) 2015-12-30
HUE033110T2 (en) 2017-11-28
AT513281A4 (de) 2014-03-15
SI2959024T1 (sl) 2017-06-30
PT2959024T (pt) 2017-03-02
AT513281B1 (de) 2014-03-15
PL2959024T3 (pl) 2017-07-31
RS55708B1 (sr) 2017-07-31
EP2959024B1 (de) 2016-11-23

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