High performance structured packing for fluid exchange column and fabrication method
AssigneeIfp
InventorsLudovic Raynal, Pascal Alix
Life of this patent
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AssigneeIfp
InventorsLudovic Raynal, Pascal Alix
Estimating the term…
The invention relates to a structured packing for a liquid exchange column, said structure defining an exchange surface for at least one descending liquid phase intended to be placed in intimate contact with at least one ascending gaseous phase. The packing comprises a stack of plates having undulations, each plate being contained in a space included between two parallel planes L1 and L2 separated by a value of between 5 and 50 mm, the undulations being distributed on both sides of a center plane P separating said space into two equal parts, said undulations forming a series of channels which extend along a direction D, the channels comprising wings contained in the space included between the two parallel planes, each of said wings being composed of a strip B punched out in one of said channels according to at least two grooves C1 and C2, the width of the strip between the two grooves being between 1 and 15 mm, the strip B being stamped/embossed in such a way as to create an orifice forming a discontinuity in the surface of the channel at the level of the two grooves C1 and C2. The invention also describes a method for fabricating a structured packing.
1-11. (canceled)
A structured packing of a fluid exchange column defining an exchange surface for at least one liquid phase to be placed in intimate contact with at least one ascending gaseous phase, comprising a stack of plates including triangular undulations, each plate being contained between two parallel planes at a distance of between 5 and 50 mm, the undulations forming a series of channels including wings contained between the two parallel planes, each of the wings, being composed of a strip punched out in one of the channels, a width of each strip being between 2 and 20 mm, each strip being fixed to the plate by two ends thereof and each strip being triangular in shape to provide a triangular form symmetrical relative to an initial form prior to punching thereof with respect to a central plane of the two parallel planes to create an orifice forming a discontinuity on the surface of each plate.
A packing according to claim 1, wherein a total surface of the wings comprises between 20% and 50% of a total surface of the plates.
A method of fabrication of a structured packing comprising:
Dependencies are inferred from the claim text.