IT1277974B1 - Metodo per la determinazione e il controllo del contenuto di azoto disciolto in fasi liquide metalliche e dispositivo per la sua - Google Patents

Metodo per la determinazione e il controllo del contenuto di azoto disciolto in fasi liquide metalliche e dispositivo per la sua

Info

Publication number
IT1277974B1
IT1277974B1 IT95RM000862A ITRM950862A IT1277974B1 IT 1277974 B1 IT1277974 B1 IT 1277974B1 IT 95RM000862 A IT95RM000862 A IT 95RM000862A IT RM950862 A ITRM950862 A IT RM950862A IT 1277974 B1 IT1277974 B1 IT 1277974B1
Authority
IT
Italy
Prior art keywords
determination
control
content
dissolved nitrogen
nitrogen
Prior art date
Application number
IT95RM000862A
Other languages
English (en)
Inventor
Donato Antonello Di
Maria Ilaria Pistelli
Original Assignee
Sviluppo Materiali Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sviluppo Materiali Spa filed Critical Sviluppo Materiali Spa
Priority to IT95RM000862A priority Critical patent/IT1277974B1/it
Publication of ITRM950862A0 publication Critical patent/ITRM950862A0/it
Priority to DE69607032T priority patent/DE69607032T2/de
Priority to PCT/EP1996/005860 priority patent/WO1997024464A1/en
Priority to EP96944673A priority patent/EP0868537B1/en
Priority to AT96944673T priority patent/ATE190358T1/de
Priority to AU13072/97A priority patent/AU1307297A/en
Publication of ITRM950862A1 publication Critical patent/ITRM950862A1/it
Application granted granted Critical
Publication of IT1277974B1 publication Critical patent/IT1277974B1/it

Links

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
    • 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
    • C21C5/4673—Measuring and sampling devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/202—Constituents thereof
    • G01N33/2022—Non-metallic constituents
    • G01N33/2025—Gaseous constituents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Automatic Assembly (AREA)
IT95RM000862A 1995-12-29 1995-12-29 Metodo per la determinazione e il controllo del contenuto di azoto disciolto in fasi liquide metalliche e dispositivo per la sua IT1277974B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT95RM000862A IT1277974B1 (it) 1995-12-29 1995-12-29 Metodo per la determinazione e il controllo del contenuto di azoto disciolto in fasi liquide metalliche e dispositivo per la sua
DE69607032T DE69607032T2 (de) 1995-12-29 1996-12-30 Verfahren und vorrichtung zur bestimmung und kontrolle des in flüssigen metallphasen gelösten stickstoffes
PCT/EP1996/005860 WO1997024464A1 (en) 1995-12-29 1996-12-30 Method for determination and control of the amount of nitrogen dissolved in metalic liquid phases and device for its realization
EP96944673A EP0868537B1 (en) 1995-12-29 1996-12-30 Method for determination and control of the amount of nitrogen dissolved in metalic liquid phases and device for its realization
AT96944673T ATE190358T1 (de) 1995-12-29 1996-12-30 Verfahren und vorrichtung zur bestimmung und kontrolle des in flüssigen metallphasen gelösten stickstoffes
AU13072/97A AU1307297A (en) 1995-12-29 1996-12-30 Method for determination and control of the amount of nitrogen dissolved in metalic liquid phases and device for its realization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95RM000862A IT1277974B1 (it) 1995-12-29 1995-12-29 Metodo per la determinazione e il controllo del contenuto di azoto disciolto in fasi liquide metalliche e dispositivo per la sua

Publications (3)

Publication Number Publication Date
ITRM950862A0 ITRM950862A0 (it) 1995-12-29
ITRM950862A1 ITRM950862A1 (it) 1997-06-29
IT1277974B1 true IT1277974B1 (it) 1997-11-12

Family

ID=11403742

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95RM000862A IT1277974B1 (it) 1995-12-29 1995-12-29 Metodo per la determinazione e il controllo del contenuto di azoto disciolto in fasi liquide metalliche e dispositivo per la sua

Country Status (6)

Country Link
EP (1) EP0868537B1 (it)
AT (1) ATE190358T1 (it)
AU (1) AU1307297A (it)
DE (1) DE69607032T2 (it)
IT (1) IT1277974B1 (it)
WO (1) WO1997024464A1 (it)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586906B2 (ja) * 1979-08-15 1983-02-07 株式会社 堀場製作所 金属中ガス分析装置
JPS56136015A (en) * 1980-03-26 1981-10-23 Seiko Instr & Electronics Ltd Electrode structure of tuning fork type quartz oscillator
JPS61250556A (ja) * 1985-04-30 1986-11-07 Nippon Kokan Kk <Nkk> 溶鋼中のｃ，ｓ，ｎ，ｈの定量分析用プロ−ブ
DE4211041C2 (de) * 1992-04-03 1994-12-22 Heraeus Electro Nite Int Verfahren zur Bestimmung der Konzentration eines Gases in einer Metallschmelze
CN1047444C (zh) * 1993-09-03 1999-12-15 日本贺利氏电测骑士公司 测定钢水中碳、氢和氮浓度的方法和装置
JP3160827B2 (ja) * 1993-09-03 2001-04-25 新日本製鐵株式会社 溶鋼中の炭素、水素、窒素濃度の順次連続測定方法及び装置

Also Published As

Publication number Publication date
ATE190358T1 (de) 2000-03-15
WO1997024464A1 (en) 1997-07-10
EP0868537A1 (en) 1998-10-07
ITRM950862A0 (it) 1995-12-29
DE69607032T2 (de) 2000-11-02
DE69607032D1 (de) 2000-04-13
EP0868537B1 (en) 2000-03-08
AU1307297A (en) 1997-07-28
ITRM950862A1 (it) 1997-06-29

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Legal Events

Date Code Title Description
0001 Granted