Process for regulating the oxygen content of water exiting a...

A - Human Necessities – 01 – K

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A01K 63/04 (2006.01) C02F 1/72 (2006.01) G05D 11/13 (2006.01) G05D 21/02 (2006.01)

Patent

CA 2238800

The invention relates to a process for regulating the oxygen content of water exiting a device for dissolving oxygen in water, in which the oxygen content, Cs, of the water exiting the device is measured using a sensor and compared with a set point, Cconsig. If Cs is lower than Cconsig, an oxygen supply cycle of the said device is triggered, comprising an oxygen injection time (Ti), during which an oxygen flow control valve supplying the device is in the open position, and an inhibition time, Tp, during which the said valve is in the closed position.

L'invention concerne un procédé de régulation de la teneur en oxygène de l'eau en sortie d'un appareil de dissolution d'oxygène dans l'eau, dans lequel on mesure au moyen d'un capteur la teneur Cs en oxygène de l'eau en sortie de l'appareil et on compare la teneur Cs mesurée en sortie de l'appareil à une valeur de consigne Cconsig. Si la teneur Cs mesurée est inférieure la valeur de consigne Cconsig, on déclenche un cycle d'alimentation en oxygène dudit appareil, un cycle d'alimentation étant composé d'une période Ti d'injection de l'oxygène dans l'appareil pendant laquelle une vanne de régulation du débit d'oxygène alimentant l'appareil est en position ouverte, et d'une période Tp d'inhibition pendant laquelle ladite vanne est en position fermée.

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