Patent ID: 7744679
Filing Date: 2010-06-29
Classification: B01F,C02F,Y02W

Abstract:
1. A foam breaking equipment for a system adapted for treating a liquid medium volume with floating foam, said liquid medium volume and said floating foam being contained in a tank having a bottom portion and an upper portion, whereby said foam breaking equipment comprising: a foam conveying means with a funnel shaped upper inlet adapted for the passage of floating foam and a downward outlet; a sucking means comprising a screw shaped element adapted to be driven in rotation for creating a downwards suction of foam present in the foam conveying means from the funnel shaped upper inlet of the foam conveying means towards the sucking means, said sucking means being adapted for causing at least a partial defoaming of foam in the foam conveying means and for expelling foam through the outlet of the foam conveying means, whereby gas is released by said at least partial defoaming of foam in said foam conveying means, and at least a first exhaust gas tube defining a channel adapted for removing from the foam conveying means gas released by said at least partial defoaming, said first exhaust gas tube extending at least partly in the foam conveying means and having a first opening adapted to be located above the funnel shaped upper inlet and a second opening located in the foam conveying means at least 20 cm below the level of the funnel shaped upper inlet of the foam conveying means.