TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SMOTHERING PAN [1 record]

Record 1 2009-06-08

English

Subject field(s)
  • Fireproofing
  • Fires and Explosions
  • Nuclear Fission Reactors
CONT

Two passive fire extinguishing systems have been tested. The first was a drainage sump made of a strongly reinforced ordinary concrete covered with a layer of sodium resistant concrete ... The second, a modular smothering pan system, the BALADIN system, has been successfully tested. During the test, 820 kg of sodium at 550°C were discharged in 90 seconds from a 0.5 meter height. The total amount of burnt sodium was less than 20 kg.

French

Domaine(s)
  • Ignifugation
  • Feux et explosions
  • Réacteurs nucléaires de fission
CONT

En se rapportant aux seuls paramètres de combustion et nonobstant la présence des aérosols opaques et nocifs, l'incendie de sodium paraît plus facilement maîtrisable qu'un feu d'hydrocarbure. Il reste à définir un moyen d'extinction de ces feux sodium pour lesquels l'eau est évidemment bannie. Un système passif d'extinction consiste à disposer de bacs étouffoirs : ces systèmes métalliques permettent de limiter les conséquences d'une fuite de sodium en contribuant à diviser la nappe de sodium dans plusieurs compartiments indépendants et à isoler l'oxygène de l'air du métal enflammé.

Spanish

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