EP0068792A2
Expired / Lapsed
EP
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Arrangement of multiple fluid cyclones
Assignee: BWN Vortoil Rights Co Pty Ltd
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Filing: 1982-06-22
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Granted: —
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Expires: 2002-06-22
Abstract
Abstract A special form of fiuid cyclone in which the velocity energy in the exit fluid is converted into exit pressure thus permitting the device to discharge to atmospheric pressure or a higher pressure while a vacuum may exists in the central core of the vortex. The result is achieved by use of a curved passage at the exit which starts as a coaxial space and gradually expands and turns outward to become a circular space between two disks. The removal of reject material to atmospheric pressure with a vacuum at the core may be achieved by limiting the restriction In cross-section of the bottom core such that the pressure is atmospheric and allow it to leave through a space between the end of the cone and a blunt shaped surface. The above special form of fluid cyclone operates particularly well, because of reduced energy losses, when employed in a multiple arrangement in which the tangential velocity energy of fluid entering the barrel of the individual cyclone units is created by fluid flowing at larger radius such as to create a pattern of multiple vortex flow. The vortices are in a chamber providing a common inlet to a plurality of cyclone units whith the vortices centering on the individual units. The special arrangement of fluid cyclones is in a geometry similar to that of a vortex trail with an even number of units of opposing vortex direction. The same type of arrangement; i.e. having all of the units discharge into a common chamber, leads to further energy recovery in fluid leaving the fluid cyclones.
Inventors
- 👤 John D. Boadway
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 19:56
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/12; B04C5/14; B04C5/181; B04C5/24; B04C5/28
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
76 words
A header for plurality of cyclones, characterised in that there is a chamber with an inlet thereto and a plurality of outlets therefrom, in that the outlets are spaced apart from one another downstream from said inlet and provide inlets to respective ones of a plurality of cyclones; and in that deflectors are positioned to create vortices of flowing fluid in the chamber such that there is a vortex at each of the plurality of outlets.
Claim 2
Dependent Claim
76 words
A header for plurality of cyclones, characterised in that there is a chamber with an inlet thereto and a plurality of outlets therefrom, in that the outlets are spaced apart from one another downstream from said inlet and provide inlets to respective ones of a plurality of cyclones; and in that deflectors are positioned to create vortices of flowing fluid in the chamber such that there is a vortex at each of the plurality of outlets.
Claim 3
Independent Claim
112 words
A device for directing fluid to and from a plurality of fluid cyclones characterised in that first and second chambers are separated from one another and provide respectively a common inlet to and outlet from a plurality of individual cyclone units spaced apart from one another, in that there is an inlet to the first chamber, in that deflectors are positioned in the first chamber for establishing a multiplicity of vortices in fluid flowing into the first chamber from the inlet thereto, said vortices being equal in number to the number of individual cyclone units and at the respective locations thereof and' in that there is an outlet from said second chamber.
Claim 4
Independent Claim
112 words
A device for directing fluid to and from a plurality of fluid cyclones characterised in that first and second chambers are separated from one another and provide respectively a common inlet to and outlet from a plurality of individual cyclone units spaced apart from one another, in that there is an inlet to the first chamber, in that deflectors are positioned in the first chamber for establishing a multiplicity of vortices in fluid flowing into the first chamber from the inlet thereto, said vortices being equal in number to the number of individual cyclone units and at the respective locations thereof and' in that there is an outlet from said second chamber.
Claim 5
Dependent Claim
59 words
A device as defined in claim 2 characterised in that the cyclone units -are arranged in spaced apart rows with the cyclone units in one row offset in the direction of fluid flow with respect to the cyclone units in an adjacent row, and in that the vortices in the respective rows rotate in directions opposite to one another.
Claim 6
Dependent Claim
80 words
A cyclone system characterised in that there are a plurality of individual cyclone units and an arrangement for supplying fluids to said fluid cyclone that includes a first chamber providing a fluid space common to all of said cyclone units and in that there are deflectors in the chamber arranged .such that the tangential velocity of fluid entering the cyclone units is provided by a pattern of multiple vortex flow in the fluid space common to all said cyclone units.
Claim 7
Dependent Claim
80 words
A cyclone system characterised in that there are a plurality of individual cyclone units and an arrangement for supplying fluids to said fluid cyclone that includes a first chamber providing a fluid space common to all of said cyclone units and in that there are deflectors in the chamber arranged .such that the tangential velocity of fluid entering the cyclone units is provided by a pattern of multiple vortex flow in the fluid space common to all said cyclone units.
Claim 8
Dependent Claim
39 words
A cyclone system as defined in claim 4 in which the number of cyclones is even with equal numbers with fluid rotating in opposing directions each being positioned adjacent to one or more cyclones with opposing direction of rotation.
Claim 9
Dependent Claim
81 words
A cyclone system as defined in claim 5 in which the fluid cyclones with fluid rotation in a clockwise sense are spaced evenly in a first row whereas the equal number of fluid cyclones with fluid rotation in a counterclockwise sense are given the same spacing in a second parallel row displaced laterally by approximately 0.28 times the spacing of cyclone units in a row and in the row direction 0.5 times the spacing of the cyclone units in a row.
Claim 10
Dependent Claim
51 words
A cyclone system for feeding fluid as well as removing fluid from multiple fluid cyclones as described in claim 6 in which pairs of conduits are placed outside and parallel to the adjacent counter rotating rows of cyclones, one of each pair being used for a given direction of vortex rotation.
Claim 11
Dependent Claim
80 words
A fluid cyclone having an upper cylindrical end portion with respective inlet and outlet passages tangential thereto, and'a lower portion with a reject outlet in the lower end thereof, characterised in that said outlet passage has an annular inlet in the cylindrical portion and coaxial therewith followed by a passage that gradually increases in size to the tangential outlet passage, and in that the lower portion tapers inwardly decreasing gradually in size from the cylindrical portion to said reject outlet.
Claim 12
Dependent Claim
80 words
A fluid cyclone having an upper cylindrical end portion with respective inlet and outlet passages tangential thereto, and'a lower portion with a reject outlet in the lower end thereof, characterised in that said outlet passage has an annular inlet in the cylindrical portion and coaxial therewith followed by a passage that gradually increases in size to the tangential outlet passage, and in that the lower portion tapers inwardly decreasing gradually in size from the cylindrical portion to said reject outlet.
Claim 13
Dependent Claim
21 words
A fluid cyclone as defined in claim 8 characterised in that the lower portion is conical having a curved side wall.
Claim 14
Dependent Claim
25 words
A fluid cyclone as defined in claim 8 or claim 9 characterised in that a cone plate underlies the reject outlet and is spaced therefrom.
References Cited (Backward Citations)
No citation records indexed.
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