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KR970704146A - Method for measuring electrochemical activity - Google Patents

Method for measuring electrochemical activity Download PDF

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KR970704146A
KR970704146A KR1019960707087A KR19960707087A KR970704146A KR 970704146 A KR970704146 A KR 970704146A KR 1019960707087 A KR1019960707087 A KR 1019960707087A KR 19960707087 A KR19960707087 A KR 19960707087A KR 970704146 A KR970704146 A KR 970704146A
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measuring
electrochemical
measuring cell
electrochemical element
electrochemical activity
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KR1019960707087A
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KR100337988B1 (en
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파울 이보 쿠레 오메르
야코브스 네옌스 구이도
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크리스티안 반겔
헤레우스 엘렉트로-나이트 인터내셔날 엔. 브이.
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Priority claimed from PCT/EP1996/000952 external-priority patent/WO1996032636A1/en
Publication of KR970704146A publication Critical patent/KR970704146A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/411—Cells and probes with solid electrolytes for investigating or analysing of liquid metals
    • 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
    • G01N33/205—Metals in liquid state, e.g. molten metals

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  • Health & Medical Sciences (AREA)
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  • Analytical Chemistry (AREA)
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  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

본 발명은 활성부 및 역전극을 갖는 전기화학적 요소를 구비하는 측정셀을 수단으로하여 용융조상에 위치한 비금속 액상층의 전기화학적 활성도를 측정하는 방법에 관한 것이다. 본 발명은 또한 전기화학적 활성도를 측정하기 위한 측정셀에 관한 것이다. 가능한 최소의 비용으로 전기화학적 활성도에 대한 정확한 측정결과를 얻기 위하여, 상기 측정셀을 용융조 내로 비금속 액상층을 통과하여 침참된다.The present invention relates to a method for measuring the electrochemical activity of a non-metallic liquid layer located on a molten bath by means of a measuring cell having an electrochemical element having an active part and a reverse electrode. The invention also relates to a measuring cell for measuring electrochemical activity. In order to obtain an accurate measurement of electrochemical activity at the lowest possible cost, the measuring cell is intruded through a non-metallic liquid layer into the melting bath.

상기 전기화학적 요소의 활성부는 삽입과정에서 비금속 액상층의 물질에 의하여 포위되며, 이 물질은 전기화학적 활성도의 측정이 끝나기까지 상기 전기화학적 요소에 부착되어지며 측정은 상기 전기화학적 요소를 용융조 내의 용융금속 내로 침참시킨 후 이루어진다. 상기 전기화학적 요소는 측정되는 물질이 거기에 고착될 수 있도록 개발되었다.The active part of the electrochemical element is enclosed by the material of the non-metallic liquid layer during the insertion process, and the material is attached to the electrochemical element until the measurement of the electrochemical activity is completed and the measurement is performed to melt the electrochemical element in the melting tank. After invading into the metal. The electrochemical element has been developed such that the material to be measured is fixed there.

Description

전기화학적 활성도를 측정하기 위한 방법Method for measuring electrochemical activity

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제5도는 용융조 내로 삽입된, 슬렉이 전기화학적 요소에 고착되고 역전극은 일부 슬랙에 의해 덮이고 일부는 용융되어 떨어진 상태의 측정요소이다.5 is a measuring element in which the slag is inserted into the melting bath, and the reverse electrode is fixed by the electrochemical element and the reverse electrode is covered by some slag and some is molten away.

Claims (19)

활성부를 갖는 전기화학적 요소와 역전극을 구비한 측정셀을 수단으로 하여 용융조 상에 위치한 비금속 액상층의 전기화학적 활성도를 측정하기 위한 방법에 있어서, 상기 측정셀은 비금속 액상층을 통과하여 용융조 내로 침참되며, 상기 전기 화학적 요소의 활성부는 비금속 액상층을 통과하는 동안 이 층의 물질에 의하여 포위되며, 이 물질은 전기화학적 활성도의 측정이 끝날 때까지 전기화학적 요소(1)의 활성부의 표면을 덮으며, 그리고 측정을 용융금속 내에서 전기화학적 요소(1)를 용융조 내로 삽입한 후에 이루어지는 것을 특징으로 하는 전기화학적 활성도 측정방법.A method for measuring the electrochemical activity of a nonmetallic liquid layer located on a molten bath by means of a measuring cell with an electrochemical element having an active portion and a reverse electrode, the measuring cell passing through the nonmetallic liquid layer into a molten bath. Invaded, the active part of the electrochemical element is surrounded by the material of this layer while passing through the non-metallic liquid layer, which covers the surface of the active part of the electrochemical element 1 until the measurement of electrochemical activity is finished. And measuring the electrochemical activity after inserting the electrochemical element (1) into the molten bath in the molten metal. 제1항에 있어서, 측정셀의 삽입단이 비금속 액상층을 통과하는 동안, 상기 역전극(6)은 그 층의 물질에 의하여 완저히 포위되지는 않는 것 및/또는 그 물질이 적어도 일부는 측정 전에 상기 역전극(6)으로부터 제거되는 것을 특징으로 하는 전기 화학적 활성도 측정방법.The method of claim 1, wherein while the insertion end of the measuring cell passes through the non-metallic liquid layer, the reverse electrode 6 is not completely surrounded by the material of the layer and / or at least part of the material is measured before the measurement. Electrochemical activity measuring method, characterized in that the removal from the reverse electrode (6). 제1항 또는 제2항에 있어서, 산성활성도가 측정되는 것을 특징으로 하는 전기화학적 활성도 측정방법.The method of claim 1 or 2, wherein the acidic activity is measured. 활성부 및 역전극(6)을 구비한 소형의 고상 전해질튜브(7)를 가지며, 파지기구 내에 배치된 전기화학적 요소(1)를 수단으로 용융조 상에 위치한 비금속 액상층의 전기화학적 활성도를 측정하기 위한 측정셀에 있어서, 상기 전기화학적 요소(1)와 상기 역전극(6)은 용융조 내에 배치되며, 상기 활성부는 측정되는 비금속 층의 물질에 의하여 포위되며, 그리고 상기 역전극의 적어도 일부는 용융조와 직접 접촉하는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.Measuring the electrochemical activity of a non-metallic liquid layer on a molten bath by means of an electrochemical element (1) having a small solid electrolyte tube (7) with an active portion and a reverse electrode (6) and arranged in a gripping mechanism In the measuring cell for which the electrochemical element 1 and the reverse electrode 6 are arranged in a melting bath, the active part is surrounded by the material of the non-metallic layer being measured, and at least a part of the reverse electrode is directly in contact with the melting bath. Measuring cell for measuring the electrochemical activity, characterized in that in contact. 제4항에 있어서, 상기 소형의 고상 전해질 튜브(7)의 삽입단은 전기적 절연재(8)로 도포되며, 상기 삽입단과 방화체(2) 사이의 영역은 도포되지 않는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.5. The electrochemical activity according to claim 4, wherein the insertion end of the small solid electrolyte tube 7 is coated with an electrical insulating material 8, and the area between the insertion end and the fireproof body 2 is not applied. Measuring cell for measurement. 제4항에 있어서, 상기 소형의 전해질 튜브(7)의 삽입단은 전기적 절연재(8)로 도포되며, 상기 삽입단과 방화체(2)사이의 영역은 도포되지 않는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.5. The electrochemical activity measurement according to claim 4, wherein the insertion end of the small electrolyte tube 7 is coated with an electrical insulating material 8, and the area between the insertion end and the fire protection body 2 is not applied. Measuring cell. 제5항에 있어서, 상기 소형의 고상 전해질 튜브(7)의 삽입단은 AL2O3또는MgO로 도포되는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.The measuring cell for measuring electrochemical activity according to claim 5, wherein the insertion end of the small solid electrolyte tube (7) is coated with AL 2 O 3 or MgO. 제5항 또는 제6항에 있어서, 상기 삽입단은 방화체(2)의 방향으로 최대 6mm도포되어 있는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.The measuring cell for measuring electrochemical activity according to claim 5 or 6, wherein the insertion end is coated with a maximum of 6 mm in the direction of the fire protection body (2). 제7항에 있어서, 상기 도포상태는 방화체(2)의 방향으로 약 2.5mm의 길이인 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.8. The measuring cell for measuring electrochemical activity according to claim 7, wherein the coating state is about 2.5 mm long in the direction of the fire protection body (2). 제4항 내지 제8항 중 어느 한 항에 있어서, 상기 전기화학적 요소(1)는 방화체(2)의 외부로 약 9 내지 13mm 돌출한 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.The measuring cell for measuring electrochemical activity according to any one of claims 4 to 8, wherein the electrochemical element (1) protrudes about 9 to 13 mm out of the fire body (2). 제9항에 있어서, 상기 전기화학적 요소(1)는 방화체(2)로부터 약 11mm 돌출한 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.10. The measuring cell for measuring electrochemical activity according to claim 9, wherein the electrochemical element (1) protrudes about 11 mm from the fire protection body (2). 제4항 내지 제10항 중 어느 한 항에 있어서, 전기화학적 요소(1)내에 열전요소가 배치되는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.The measuring cell for measuring electrochemical activity according to any one of claims 4 to 10, wherein a thermoelectric element is arranged in the electrochemical element (1). 제4항에 있어서, 상기 전기화학적 요소(1)의 활성부는 고리모양의 표면영역(9)으로 형성되는 것을 특징으로 하는 전기화학적 활성도 측정용 측정셀.The measuring cell for measuring electrochemical activity according to claim 4, wherein the active part of the electrochemical element (1) is formed of a ring-shaped surface region (9). 파지기구 내에 배치된 전기화학적 요소 및 역전극을 수단으로 하여 용융상에 위치한 비금속 액상층의 전기화학적 활성도를 측정하기 위한 침참 측정센서에 있어서, 상기 비금속액상층으로 삽입하는 경우 방화재로 이루어진 보호층(10)이 역전극(6)상에 배치되며, 상기 전기화학적 요소(1)는 상기 비금속 액상층으로 삽입하는 경우 아무런 보호층도 구비하지 않는 것을 특징으로 하는 침참측정센서.Invasion measuring sensor for measuring the electrochemical activity of the non-metallic liquid layer located in the molten phase by means of an electrochemical element and a reverse electrode disposed in the holding device, the protective layer made of a fire protection material when inserted into the non-metallic liquid layer ( 10) is disposed on the reverse electrode (6), the electrochemical element (1) is characterized in that the intrusion measurement sensor is provided with no protective layer when inserted into the non-metallic liquid layer. 제13항에 있어서, 상기 보호층(10)을 판지로 이루어지는 것을 특징으로 하는 침참측정센서.The intrusion measurement sensor according to claim 13, wherein the protective layer is made of cardboard. 제13항 또는 제14항에 있어서, 상기 보호층(10)은 상기 파지기구 외부의 역전극(6)의 표면전체를 덮는 것을 특징으로 하는 침참측정센서.The intrusion measurement sensor according to claim 13 or 14, wherein the protective layer (10) covers the entire surface of the reverse electrode (6) outside the holding mechanism. 제13항 내지 제15항에 있어서, 상기 전기화학적 요소는 상기 파지기구로부터 약 9 내지 13mm 돌출하는 것을 특징으로 하는 침참측정센서.16. The intrusion measurement sensor of claim 13, wherein the electrochemical element protrudes about 9 to 13 mm from the gripping mechanism. 제13항 내지 제16항 중에 어느 한 항에 있어서, 상기 파지기구는 그 삽입단에 방화재(3)로부터 돌출된 측정두부가 배치되어 있는 판지튜브(4)를 구비하여, 상기 전기화학적 요소(1) 및 역전극(6)은 상기 측정두부의 전방에 배치되며, 그리고 역전극(6)은 상기 전기화학적 요소(1)를 적어도 일부분 포위하는 것을 특징으로 하는 침참측정센서.17. The gripping mechanism according to any one of claims 13 to 16, wherein the gripping mechanism has a cardboard tube (4) at its insertion end with a measuring head protruding from the fire protection material (3). 1) and a reverse electrode (6) is arranged in front of the measuring head, and the reverse electrode (6) surrounds at least part of the electrochemical element (1). 제13항 내지 제17항 중 어느 한 항에 있어서, 상기 역전극(6)의 접촉부와 상기 전기화학적 요소(1)의 접촉부는 상기 파지기구 내로 연장되며 측정 및 평가전자장비와 연결되는 것을 특징으로 침참측정센서.18. The invasion according to any one of claims 13 to 17, wherein the contact portion of the reverse electrode 6 and the contact portion of the electrochemical element 1 extend into the gripping mechanism and are connected with measurement and evaluation electronic equipment. Measuring sensor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960707087A 1995-04-12 1996-03-06 Method for measuring electrochemical activity KR100337988B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19513212 1995-04-12
DE19513212.2 1995-04-12
DE19531661A DE19531661C2 (en) 1995-04-12 1995-08-29 Method of measuring electrochemical activity
DE19531661.4 1995-08-29
PCT/EP1996/000952 WO1996032636A1 (en) 1995-04-12 1996-03-06 Method of measuring electrochemical activity

Publications (2)

Publication Number Publication Date
KR970704146A true KR970704146A (en) 1997-08-09
KR100337988B1 KR100337988B1 (en) 2002-11-23

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IN (1) IN192885B (en)
PL (1) PL179276B1 (en)
UA (1) UA41406C2 (en)
ZA (1) ZA962870B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652596C2 (en) * 1996-12-18 1999-02-25 Heraeus Electro Nite Int Method and immersion probe for measuring electrochemical activity
DE10310387B3 (en) 2003-03-07 2004-07-22 Heraeus Electro-Nite International N.V. Measurement sensor determining oxygen activity and other elements in molten metal or slag, includes solid electrolyte tube coated with calcium zirconate and a fluoride
DE102004022763B3 (en) * 2004-05-05 2005-09-15 Heraeus Electro-Nite International N.V. Device for determining the oxygen activity in metal or slag melts, useful for measuring the content of silicon and carbon, includes solid electrolyte coated with layer of zirconium silicate and a fluoride
DE102005019665B3 (en) 2005-04-26 2006-08-31 Heraeus Electro-Nite International N.V. Immersion measuring probe for measuring molten metal temperature can be thrown into molten metal and has cooperating locking elements on a sensor carrier and the measuring head
DE102007004147A1 (en) 2007-01-22 2008-07-24 Heraeus Electro-Nite International N.V. Method for influencing the properties of cast iron and oxygen sensor

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Publication number Priority date Publication date Assignee Title
CA1209367A (en) * 1982-10-08 1986-08-12 Omer P.I. Cure Immersion measuring probe for use in molten metals
FR2566534B1 (en) * 1984-06-20 1990-01-19 Electro Nite METHOD FOR MEASURING THE ACTIVITY OF AN ELEMENT IN A LIQUID METAL AND MEASURING DEVICE USED FOR THIS PURPOSE
DE3446320C1 (en) * 1984-12-19 1986-02-06 Ferrotron Elektronik Gmbh Solid electrolyte immersion probe

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PL179276B1 (en) 2000-08-31
ZA962870B (en) 1996-10-15
UA41406C2 (en) 2001-09-17
KR100337988B1 (en) 2002-11-23
DE19531661C2 (en) 2002-08-14
DE19531661A1 (en) 1996-10-24
IN192885B (en) 2004-05-29
PL317372A1 (en) 1997-04-01
DE59610868D1 (en) 2004-01-29

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