Abstract: A compact device for coalescing finely dispersed droplets of a conductive fluid emulsified in a stream of nonconductive fluid by the use of a high intensity electric field acting on the emulsion as it flows through a narrow flow gap under non-laminar flow conditions. The emulsion is introduced into the top of a vertically mounted cylindrical vessel or shell, and flows through one or more narrow, annular flow gaps formed between one or more electrodes, or an internal wall of the device. The broken emulsion is discharged from the bottom of the vessel, after having a short residence time in the high-intensity electrostatic field. The flow of the emulsion in the one or all of the narrow, annular flow gaps is non-laminar to provide substantially smaller equipment size, even with emulsions having high water content therein.

Abstract: The invention relates to a cyclone separator for separating oil and water and removing suspended solids. It comprises a generally cylindrical first portion with an open end and a closed end. A generally axial overflow outlet is provided in the closed end and a moveable member is associated with this closed end having a plurality of orifices of progressively smaller diameter than the overflow outlet. This moveable member may be moved such that any selected one of the plurality of orifices may be axially aligned with the overflow outlet. The separator includes at least two radially balanced feed injection ports in the cylindrical first portion adjacent to the closed end thereof. A converging tapered second section with open ends is axially flow connected to the open end of the cylindrical first portion and a converging tapered third portion with open ends is axially flow connected to the tapered second portion. A fourth generally cylindrical portion is axially flow connected to the third tapered portion.

Abstract: A cyclone separator comprising at least a primary portion having generally the form of a volume of revolution and having a first end and a second end, the diameter at said second end being less than at said first end, at least one inlet, the or each said inlet having at least a tangential component at or adjacent said first end for introducing feed to be separated into the cyclone separator, and the separator further including at least two outlets, one at each end of the primary portion, in which cyclone separator the following parameters are related according to a specified set of design and operating conditions as defined in claim 1: (i) diameter of the primary portion where flow enters, d.sub.1 : (ii) projection of the cross sectional area of x.sup.th inlet, Aix; (iii) diameter of the primary portion at point Z.sub.2, d.sub.2 ; (iv) distance along the cyclone separator axis from the inlet, Z; (v) diameter of the cyclone at Z, d, (vi) axial position of the x.sup.th inlet, Z.sub.

Abstract: A cyclone separator (10) of the dewatering type which comprises an elongated separating chamber (12) having an axis of symmetry between opposite first and second ends, the separating chamber being of greater cross-sectional dimension at the first end than at the second end. The cyclone separator further includes at least one inlet (20) which is adjacent the first end and at least one overflow outlet (25) for the less dense component and at least one underflow outlet (24) for the more dense component (24). The cyclone separator has a first section (14) which contains the feed inlet (20) and the first section is of reduced cross-sectional dimension d.sub.2 at its downstream end relative to the upstream end and is characterized in that the ratio of cross-sectional dimension of the overflow outlet for the less dense component d.sub.0 to the cross-sectional dimension of the first section at its downstream end d.sub.2 is as follows 0.25<D.sub.0 /d.sub.2 0.65.

Abstract: The instant invention provides a cyclone separator having a chamber profile designed to preclude shear planes and stagnation flows therewithin.

Abstract: This invention is about a cyclone separator, and may be applied to the cyclone separators disclosed and claimed in UK Pat. Nos. 1583742, 1583730 or 2102311, or those described in UK Patent Application 8419771 or 8511149 or 8515264. Thus, application 8419771 describes a cyclone separator which has an inlet portion having generally the form of a volume of revolution with a single tangential inlet (preferably with an involute feed channel, for introducing feed to be separated into the cyclone separator and, adjacent to the inlet portion and substantially coaxial therewith, a generally axially symmetrical separation portion converging uninterruptedly into a downstream portion. The inlet portion has an axial overflow outlet opposite the separation portion (i.e. in its end wall).

Abstract: This invention is about a cyclone separator. This separator may find application in removing a lighter phase from a large volume of a denser phase such as oil from water, with minimum contamination of the more voluminous phase. Most conventional cyclone separators are designed for the opposite purpose, that is removing a denser phase from a large volume of lighter phase, with minimum contamination of the less voluminous phase. In our case, a typical starting liquid-liquid dispersion would contain under 1% by volume of the lighter (less dense) phase, but it could be more.

Abstract: This invention relates generally to cyclone separators. The separator of the present invention may find application in removing a lighter phase from a large volume of a denser phase, such as oil from water, with minimum contamination of the more voluminous phase. Generally, cyclone separators are designed for the opposite purpose, that is, removing a denser phase from a large volume of a lighter phase, with minimum contamination of the less voluminous phase. In one form of the present invention, a typical starting liquid-liquid dispersion would contain under 1% by volume of the lighter (less dense) phase, but it could be more.

Abstract: A cyclone separator comprises (a) an inlet portion having generally the form of a volume of revolution, and one or more inlet channels, (b) a vortex finder outlet coaxial with the inlet portion and projecting into the inlet portion, (c) a generally axially symmetrical converging separation portion adjacent to the inlet portion and on the opposite side from the vortex finder outlet, and, optionally (d) a downstream portion into which the separation portion converges. The geometry of each section is defined by a series of mathematical relationships.

Abstract: A cyclone separator for removing oil from seawater, the oil being up to a few percent of the volume, is proportioned as follows, symbols having the meaning shown on the Figure, a notable feature being the smallness of d.sub.o, the overflow: 10.ltoreq.1.sub.2 /d.sub.2 .ltoreq.25; 0.04<4A.sub.i /.pi.d.sub.1.sup.2 .ltoreq.0.10; d.sub.o /d.sub.2 <0.1; d.sub.1 >d.sub.2 ; d.sub.2 >d.sub.3. The half-angle of the convergence of the taper T.sub.2 is from 20' to 2.degree..

Abstract: A cyclone separator for the separation of lighter material (i.e. discontinuous or dispersed phase) can cope with fluctuating proportions of lighter material in the feed stream.A retractable plug 15 at the place where the cyclone overflow outlet meets the cyclone body has a bore 16 forming the effective overflow outlet. The plug is retracted while the cyclone separator is in operation, in response to sensors, to offer a larger outlet 12 as the need arises.

Abstract: A cyclone separator for removing oil from seawater, the oil being up to a few percent of the volume, is proportioned as follows, symbols having the meaning shown on the FIGURE, a notable feature being the smallness of d.sub.o, the overflow: 10.ltoreq.1.sub.2 /d.sub.2 .ltoreq.25; 0.04<4A.sub.i /.pi.d.sub.1.sup.2 .ltoreq.0.10; d.sub.o /d.sub.2 <0.1; d.sub.1 >d.sub.2 ; d.sub.2 >d.sub.3. The half-angle of the convergence of the taper T.sub.2 is from 20' to 2.degree..

Abstract: A cyclone separator having a generally cylindrical first portion with a plurality of substantially equally circumferentially spaced tangentially directed feeds, and, adjacent to the first portion and coaxial therewith, a generally cylindrical second portion open at its far end, the first portion having an axial overflow outlet opposite the second portion, the internal diameter of the first portion being d.sub.1, and of the second portion being d.sub.2, and of which the internal length of the first portion is L.sub.1 and of the second portion is L.sub.2, the total cross-sectional area of all the feeds measured at the point of entry normal to the inlet flow being A.sub.i, the shape of the separator being governed by the following relationships:15.ltoreq.1.sub.1 /d.sub.1 .ltoreq.400.1.ltoreq.4A.sub.i /.pi..sub.1.sup.2 .ltoreq.0.20.1.ltoreq.d.sub.o /d.sub.1 .ltoreq.0.251.2.ltoreq.d.sub.1 /d.sub.2 .ltoreq.3.

Abstract: A cyclone separator having a generally cylindrical first portion with a plurality of tangentially directed feeds, and, adjacent to the first portion and coaxial therewith, a generally cylindrical second portion open at its far end, the first portion having an axial overflow outlet opposite the second portion, the second portion opening at its far end into a coaxial generally cylindrical third portion, the internal diameter of the axial overflow outlet being d.sub.0, of the first portion being d.sub.1, of the second portion being d.sub.2 and of the third portion being d.sub.3, the internal length of the first portion being l.sub.1 and of the second portion being l.sub.2, wherein the total cross-sectional area of all the feeds measured at the points of entry normal to the inlet flow is A.sub.i and wherein the shape of the separator is governed by the following relationships:10.ltoreq.l.sub.2 /d.sub.2 .ltoreq.250.04.ltoreq.4A.sub.i /.pi.d.sub.1.sup.2 .ltoreq.0.100.1.ltoreq.d.sub.0 /d.sub.2 .ltoreq.0.25d.sub.