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DUREE ANODE [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-06-07

English

Subject field(s)
  • Vacuum Tubes (Electronics)
DEF

A failure to establish a discharge between a main anode and a cathode during an intended conduction period.

French

Domaine(s)
  • Tubes et lampes (Électronique)
DEF

Défaut d’établissement d’une décharge, entre une anode principale et une cathode, pendant une durée prévue de conduction.

Spanish

Campo(s) temático(s)
  • Tubos de vacío (Electrónica)
Save record 1

Record 2 1998-01-29

English

Subject field(s)
  • Furnaces and Ovens (Metallurgy)
  • Aluminum Production
OBS

Current is led out of the [electrolytic reduction] cell to the anode bus bar by a number of carbon block anodes suspended in parallel rows on vertical conducting rods of copper or aluminum. Because impurities in the anodes dissolve in the bath as they are consumed, pure carbon (calcined petroleum coke or pitch coke) is used as raw material. The ground coke is mixed hot with enough coal tar or petroleum pitch to bond it into a block when pressed in a mold to form the "green" anode. This is then baked slowly at temperatures up to 1100-1200 °C.

Key term(s)
  • carbon anode furnace

French

Domaine(s)
  • Fours (Métallurgie)
  • Production de l'aluminium
OBS

La réduction électrolytique de l'alumine dissoute dans la cryolithe nécessite l'emploi d’anode en carbone.(...) Le coke, préalablement calciné(...) est broyé et tamisé(...). Les poussières sèches sont alors chauffées puis mélangées avec du brai(...). La pâte à la sortie des malaxeurs est mise en forme(...). Les anodes crues sont ensuite cuites dans des fours à chambre en atmosphère réductrice. La durée de cuisson est de 90 à 180 h et la température maximale atteinte par les anodes est de 1 100 °C.

Spanish

Save record 2

Record 3 1997-11-20

English

Subject field(s)
  • Electrometallurgy
CONT

Anode life is ...26030 days. Cathodes are pulled at intervals of half the anode life.

French

Domaine(s)
  • Électrométallurgie

Spanish

Save record 3

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