B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 19/00 (2006.01) B01D 3/14 (2006.01) B01D 3/30 (2006.01) B01F 7/00 (2006.01) B01J 19/10 (2006.01) B01J 19/18 (2006.01) C10G 7/00 (2006.01) C10G 7/02 (2006.01) C10G 15/00 (2006.01)
Patent
CA 2400188
The present invention relates to the technology of industrial processing of primarily hydrocarbon liquids and is particularly concerned with a method and a device for their resonant excitation, as well as with a method and a plant for their fractionation. The method of resonant excitation of liquid includes the transfer of the energy of mechanical oscillations thereto with the help of a source placed into the liquid and operating on one of the basic frequencies, abiding by the common relationship F = F1 N-1/2, where N >=1 - the selected integer and F1 = 63.992420 [kHz] - the basic oscillation frequency at N = 1. With the use of a rotary hydrodynamic source of oscillations resonant excitation of liquid is effected, abiding by the relationship n R = 1.16141 F, where n[1/s] - the rotation frequency of the working wheel, R [m] - the radius of the peripheral surface of the working wheel. A device for resonant excitation of liquid comprises a rotor with the working wheel, made as a disc and an annular wall with a series of outlet openings, and a stator with the intake opening, communicating with the cavity of the working wheel and a coaxial wall forming with the working wheel an annular chamber, communicating with the discharge opening. At that R = 2.8477729 n-2/3.cndot.10 4 [mm], while the value of the internal radius of the coaxial wall constitutes R1 = R + B S (2 .pi.)-1 [mm], where B >=1 - the selected integer, S = 7.2973531 [mm] - the pitch of outlet openings of the working wheel. A method of fractionation of liquid includes preliminary treatment thereof with the help of the above-described pre-installed device for resonant excitation, the supply of the preliminarily treated liquid into a fractionating tower and the discharge of distilled fractions and residual fraction. The preliminary treatment is applied preferably to a partial flow of liquid diverted from the main flow. A plant for fractionation of liquid comprises a feeding pump, at least one fractionating tower and the above-described pre-installed device for resonant excitation, sequentially installed between the feeding pump outlet and the fractionating pump inlet. Shut-off-control elements are provided for diverting of the partial flow of liquid and combining thereof with the general flow following the preliminary treatment.
La présente invention relève de la technologie de traitement industriel de liquides et notamment d'hydrocarbures liquides. Elle concerne un procédé et un dispositif d'excitation de ces liquides par résonance ainsi qu'un procédé et des installations de fractionnement correspondants. Le procédé d'excitation d'un liquide par résonance consiste à transmettre à ce liquide l'énergie des oscillations mécaniques au moyen d'une source placée dans le liquide et fonctionnant à l'une des fréquences de base qui répondent à la formule générale FN = F1N<-1/2> dans laquelle N > 1 est un nombr e entier sélectionné et F1=63,992420 kHz est la fréquence de base des oscillations si N=1. Le dispositif d'excitation de liquides par résonance contient un rotor avec une roue de travail se présentant comme un disque et une paroi annulaire avec une rangée d'orifices d'éjection ainsi qu'un stator avec un orifice d'admission communiquant avec la cavité de la roue de travail et une paroi coaxiale. Le dispositif de fractionnement du liquide consiste à le traiter préalablement au moyen du dispositif décrit ci-dessus, branché préalablement pour créer une excitation par résonance, à amener le liquide prétraité dans une colonne de rectification et à évacuer les fractions distillées et résiduelle. L'installation de fractionnement des liquides comprend une pompe d'alimentation, au moins une colonne de rectification et le dispositif préalablement branché décrit ci-dessus destiné à l'excitation par résonance.
Nt International Bv
Ridout & Maybee Llp
Selivanov Nikolai Ivanovich
LandOfFree
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