EP2655894A2 - Cyclonic elevator and method for using same - Google Patents
Cyclonic elevator and method for using sameInfo
- Publication number
- EP2655894A2 EP2655894A2 EP11851600.4A EP11851600A EP2655894A2 EP 2655894 A2 EP2655894 A2 EP 2655894A2 EP 11851600 A EP11851600 A EP 11851600A EP 2655894 A2 EP2655894 A2 EP 2655894A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- inlet
- outlet
- fluid
- manifold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/42—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow characterised by the input flow of inducing fluid medium being radial or tangential to output flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/24—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/466—Arrangements of nozzles with a plurality of nozzles arranged in parallel
Definitions
- the present invention is for an improved cyclonic elevator. More particularly, this cyclonic elevator includes helical Venturis and will be primarily used for pumping fluid. Background Art
- Patent 3,857,651 discloses coaxial pumping units for cylindrical cyclonic elevator tubes in which a manifold circumscribing the latter for supplying fluid under pressure thereto has communication therewith via an annular transition ring provided with a plurality of circumferential!y spaced jet orifices set at inwardly and circumferentially directed compound angles for ejecting vortically directed jets of fluid under pressure through the tubular elevator to effect transportation of comminuted and/or fluid material through such tubes.
- Patent 3,301 ,606 relates to a cyclonic elevator device wherein particulate material is raised by means of a rotating, pulsing air column. It comprises a tube for lifignt the material, at least one chamber surrounding the tube, a plurality of passages leading from the chamber to the interior of the tube arranged about the tube in a spiral pattern, and means for introducing compressed air to the chamber and through the passages to impart a swirling motion to the material being lifted through the tube.
- This invention is a great improvement over the Bruno patents.
- the present invention is a cyclonic elevator comprising: a cylindrical chamber; a plurality of helically shaped venturi tubes spaced around the internal circumference of the chamber; a manifold connected to the inlet ends of the venturi tubes; and a high pressure gas supply connected to the manifold.
- the helix can be right or left handed and preferably the venturi tubes extend for less than one turn of the helix.
- the angle that the tangent of the helix makes with the longitudinal axis of the chamber is between 1° and 89°.
- the internal circumference of the chamber may be larger at the inlet end than at the outlet end.
- a nozzle may be attached to the inlet end of the chamber.
- the nozzle circumference may larger at the nozzle inlet end than at the nozzle outlet end. ; Preferably there are openings in the side wall of the nozzle.
- Two or more of these chambers may be connected together in series with tubing to form a high capacity pump.
- Figure 1 illustrates venturi effect.
- Figure 3 is a side view of a three stage version of this invention.
- Figure 4A is a perspective view from the inlet end of the three stage version of this invention.
- Figure 4B is an end view of the three stage version of this invention.
- Figure 5 is a perspective, off center view of the segments comprising the three stage version of this invention.
- Figure 6 is a side view of the three stage version of this invention showing some of its internal structure.
- Figure 7 is a longitudinal cross section along the line 7-7 of Figure 6
- Figure 8A is a side, partially cut away view of the outlet tube of the invention.
- Figure 8B is an end view of the outlet tube of the invention.
- Figure 9A is a side, partially cut away view of the uppermost venturi chamber of the three stage version of this invention.
- Figure 9B is an end view of the uppermost venturi chamber of the three stage version of this invention from one end.
- Figure 9C is an end view of the uppermost venturi chamber of the three stage version of this invention from the other end.
- Figure 9D is a view along the lines D-D of Figure 9A.
- Figure 9E is an enlargement detail F on Figure 9D.
- Figure 10A is a side, partially cut away view of the upper manifold section of the three stage version of this invention.
- Figure 10B is a view of the upper manifold section of the three stage version of this invention from one end.
- Figure 1 1 A is a side, partially cut away view of the middle connection tube of the three stage version of this invention.
- Figure 1 1 B is a view of the middle connection tube of the three stage version of this invention from one end.
- Figure 12A is a side, partially cut away view of the middle venturi chamber of the three stage version of this invention.
- Figure 12B is view of the middle venturi chamber of the three stage version of this invention from one end.
- Figure 12C is view of the middle venturi chamber of the three stage version of this invention from the other end.
- Figure 12D is a view along the lines D-D of Figure 12A
- Figure 12E is an enlargement of detail E on Figure 12D.
- Figure 13A is a side, partially cut away view of the middle manifold section of the three stage version of this invention.
- Figure 13B is a view of the middle manifold section of thelhree stage version of this invention from one end.
- Figure 14A is a side, partially cut away view of the lower connection tube of the three stage version of this invention.
- Figure 14B is a view of the lower connection tube of the three stage version of this invention from one end.
- Figure 15A is a side, partially cut away view of the lower manifold section of the three stage version of this invention.
- Figure 15B is a side, partially cut away view of the lower manifold section of the three stage version of this invention from one end.
- Figure 15C is a view of the lower manifold section of the three stage version of this invention from the other end. Some detail is omitted for clarity.
- Figure 15D is an enlargement of the detail shown at D on Figure 15C. Some detail is omitted for clarity.
- Figure 16 is a side, partially cut away view of the lower manifold section of the three stage version of this invention.
- Figure 17A is a side, partially cut away view of the inlet nozzle for this invention.
- Figure 17B is a view of the inlet nozzle for this invention from one end
- Figure 17C is a view of the inlet nozzle for this invention from the other end.
- Figure 18 is a perspective, cutaway view showing how air and water move through the invention.
- Figure 19 is a perspective, cutaway view showing how air and water are diametrically distributed across the cross section in the lower section of the invention.
- Figure 20 is a perspective, cutaway view showing how air and water are diametrically distributed across the cross section at the junction of the middle and upper sections of the invention.
- Figure 21 is a perspective, cutaway view showing how air and water are diametrically distributed across the cross section in the outlet tube section of the invention.
- Figure 22 is a perspective, cutaway view showing how air and water are longitudinally distributed across the cross section in the outlet tube section of the invention. Best Mode for Carrying Out Invention
- a fluid's velocity must increase as it passes through a constriction to satisfy the conservation of mass, while its pressure must decrease to satisfy the conservation of energy.
- any gain in kinetic energy a fluid may accrue due to its increased velocity through a constriction is negated by a drop in pressure.
- An equation for the drop in pressure due to the Venturi effect may be derived from a combination of Bernoulli's principle and the continuity equation.
- Venturi effect is when a fluid reaches the state of choked flow, where the fluid velocity approaches the local speed of sound.
- the mass flow rate will not increase with a further decrease in the downstream pressure environment.
- mass flow rate for a compressible fluid can increase with increased upstream pressure, which will increase the density of the fluid through the constriction (though the velocity will remain constant). This is the principle of operation of a de Laval nozzle.
- v1 is the (slower) fluid velocity where the pipe is wider
- v2 is the (faster) fluid velocity where the pipe is narrower. This assumes the flowing fluid (or other substance) is not significantly compressible - even though pressure varies, the density is assumed to remain approximately constant.
- a helix is a type of space curve, i.e. a smooth curve in three-dimensional space. It is characterized by the fact that the tangent line at any point makes a constant angle with a fixed line called the axis.
- Helices can be either right-handed or left-handed. With the line of sight along the helix's axis, if a clockwise screwing motion moves the helix away from the observer, then it is called a right- handed helix; if towards the observer then it is a left-handed helix. A right-handed helix cannot be turned or flipped to look like a left-handed, and vice versa.
- the pitch of a helix is the width of one complete helix turn, measured parallel to the axis (Z in Figure 2) of the helix.
- a circular helix (i.e. one with constant radius) has constant band curvature and constant torsion.
- the point (x(t), y(t), z(t)) traces a right-handed helix of pitch 2 ⁇ and radius 1 about the z-axis, in a right-handed coordinate system.
- This invention 10 will be illustrated with a three stages 46 version. It will be obvious to those familiar with the art to which this invention pertains, that this invention 10 could have more that three stages 46.
- elements without a suffix are of similar design and function in each section 46. Reference numbers without a suffix will refer to that element generically.
- FIGs 3, 4A, 4B, 5 and 6 show various views and features of the three stage 46 version of the invention 10.
- the three stages, 46a, 46b, 46c are connected together in series.
- Each stage 46 includes a manifold section 78, a venturi section 14 and a connecting tube 94.
- Each of these is tubular or annular in overall shape.
- Figures 8A, 8B, 9A, 9B, 9C, 9D, 9E, 10A, 10B, 11 A, 11 B, 12A, 12B, 12C, 12D, 12E, 13A, 13B, 14A, 14B, 15A, 15B, 15C, 15D, 16, 17A, 17B and 17C are detail views of all the components of this invention 10.
- venturi section 14 fits inside the manifold section 78 and the front or lower flange 90 of the tubular section mates with the upper or rear surface of the venturi section 14 and the upper or rear surface 54 of the manifold section 78.
- the outside diameter of the venturi section 14 is slightly less than inside diameter of the manifold section so that it will fit snugly inside.
- Gaskets and bolts, O-rings and seals (not illustrated) are used between components in normal fashion in order to ensure a gas and liquid tight fit.
- a sealant may be used to join the sections and ensure a gas and liquid tight fit.
- Each venturi stage 78 has at least one radial hole 76 through it. It is through this hole that pressurized gas is introduced. Typically a fitting 80 is fitted to each hole 76. This fitting 80 is used to connect with a high pressure gas line (not illustrated).
- a high pressure gas line not illustrated.
- the upper or rear flange 91 b of the middle segment 46b is mated with front or lower surface 50c of the upper manifold section 78c.
- nozzle 58 fitted to the lower surface 50a of the lower manifold section 78a.
- the outside and inside diameters of the nozzle 58 are larger at the inlet end 66 than at the outlet end 62. Further the outside of the nozzle 58 is shaped so that it fits inside and mates with the lower manifold section 78a and the lower venturi section 14a.
- gaskets and bolts, O-rings and seals are used between the nozzle 58 and the lower manifold section 78a and venturi section 14a in normal fashion in order to ensure a gas and liquid tight fit.
- each stage 46 of this invention 10 includes a venturi section 14.
- a plurality of venturi tubes 16 are spaced around the internal circumference of each venturi section 14.
- Each of the venturi tubes 18 has a helical shape, an inlet internal diameter at the inlet end 306a and an outlet internal diameter at the outlet end 26a.
- the inlet ends 30a of the venturi tubes 18 are located adjacent the inlet ends 34 of the sections 14, and the outlet ends 26a are located adjacent the outlet ends 38a of the sections 14.
- the inlet diameters are larger than the outlet diameters.
- each venturi section 14 there are a plurality of air inlets 22 running at an angle between the outside of the section 14 and the venturi tubes 18.
- Such tubes 22 are best illustrated in Figures 12A, 12D and 12E. :
- each venturi tube 18 in each venturi section is a helix.
- Each tube 18 also increases with diameter as it increases in displacement.
- the tubes 18 can have a right hand or left hand helical shape and preferably the tubes extend for less than one turn of the helix.
- the angle that the tangent 42 of the helix makes with the longitudinal axis 44 can be anywhere between 1° and 89°.
- each manifold section 78 and the external configuration of each corresponding venturi section 14 are designed to channel the high pressure gas from each high pressure inlet 76 to the inlet 26 of each venturi tube 18.
- a fluid and pressurized gas is introduced into the inlet ends 26 of the tubes 18. Venturi action of the gas forces the fluid to move from the inlet ends 50 to the outlet ends 91 of each section.
- the fluid is water and the gas is compressed air.
- the primary use for this invention is pumping or dredging of materials from the ocean floor.
- the high pressure gas will typically be provided by an air compressor.
- Tubing (not illustrated), preferably flexible tubing will be connected from the air compressor to each fitting 80.
- another flexible tube (not illustrated) connecting the uppermost flange 91c to a location where it is desired to deposit the material to be pumped.
- the pump When everything is ready the pump will be lowered into the water to the desired depth and the air compressor activated.
- the compressed air will flow through the venturi tubes 18 and the air inlets 22.
- the venturi effect of the gas on the water will suck the water etc. in to the inlet end of the invention, preferably the inlet end 66 of the nozzle 58, and expel it from the outlet end 91 c. From here the material will move through the long tube and be deposited at the desired location.
- the gas tends to stay close to the inner walls of the tubes 94 and venturi sections, thus reducing friction and providing protection from the material being pumped. If the inlet end 66 of the invention gets plugged with material, lifting it slightly to allow the side wall openings 72 to clear the material will allow clear water to be sucked into the pump thus clearing it.
- the preferred design parameters for the pump version of this invention 10 are as follows:
- Figure 18 is a perspective, cutaway view showing how air and water move through the invention. Air is indicated by the darker arrows, water by the lighter arrows. Gas injection scaled among the different orifice levels in proportion to the inward orifice area as follows: Flow rate at first level Venturis 18a 1.47978 m 3 /sec 52.26 %
- Figures 19-21 are perspective, cutaway views showing how air and water are diametrically distributed across the cross sections of the invention 10.
- Figure 22 is a perspective, cutaway view showing how air and water are longitudinally distributed along the invention 10. It can be seen from the keys in the drawings that most air flows along the walls of the invention. As the air flows it sucks the water along with it upwards.
- the pump version of this invention is designed to suck materials off the ocean floor at depths of 0,000' or more. It will operate without creating turbidity and will produces a fluid flow of 20,000 gals./min. with an air flow of 6,000 cu.ft./min. at sea level. At depth static pressure will have an influence necessitating less air and higher fluid flow, for example 40,000 gals/min or more.
- the following reference numerals are used on the Figures:
- venturi section 40 38 upper or outlet surface of venturi section 40 internal diameter of inlet end of venturi section
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201061427036P | 2010-12-23 | 2010-12-23 | |
PCT/US2011/066629 WO2012088340A2 (en) | 2010-12-23 | 2011-12-21 | Cyclonic elevator and method for using same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2655894A2 true EP2655894A2 (en) | 2013-10-30 |
EP2655894A4 EP2655894A4 (en) | 2014-05-14 |
EP2655894B1 EP2655894B1 (en) | 2018-10-17 |
Family
ID=46314909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11851600.4A Not-in-force EP2655894B1 (en) | 2010-12-23 | 2011-12-21 | Cyclonic elevator and method for using same |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2655894B1 (en) |
BR (1) | BR112013016120B1 (en) |
CL (1) | CL2013001873A1 (en) |
CO (1) | CO6791583A2 (en) |
DK (1) | DK2655894T3 (en) |
PE (1) | PE20141082A1 (en) |
WO (1) | WO2012088340A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150167697A1 (en) * | 2013-12-18 | 2015-06-18 | General Electric Company | Annular flow jet pump for solid liquid gas media |
CN109058764A (en) * | 2018-09-25 | 2018-12-21 | 中国石油化工股份有限公司临汾煤层气分公司 | A method of simplifying coal bed gas gathering and transportation technology using Venturi transmission ejector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1200145A (en) * | 1958-01-09 | 1959-12-18 | Bertin & Cie | Improvements to jet devices for driving a fluid or compressing a gaseous fluid |
US4227863A (en) * | 1978-09-18 | 1980-10-14 | Raymond Sommerer | Centrifugal aspirator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3301606A (en) | 1966-06-23 | 1967-01-31 | Anthony I Bruno | Cyclonic elevator |
US3857651A (en) | 1971-06-23 | 1974-12-31 | A Bruno | Pumping units for cyclonic elevator |
WO2010000071A1 (en) * | 2008-06-30 | 2010-01-07 | Global Clean Energy Inc. | Static fluid mixing pump device |
-
2011
- 2011-12-21 WO PCT/US2011/066629 patent/WO2012088340A2/en active Application Filing
- 2011-12-21 DK DK11851600.4T patent/DK2655894T3/en active
- 2011-12-21 PE PE2013001466A patent/PE20141082A1/en not_active Application Discontinuation
- 2011-12-21 BR BR112013016120-5A patent/BR112013016120B1/en not_active IP Right Cessation
- 2011-12-21 EP EP11851600.4A patent/EP2655894B1/en not_active Not-in-force
-
2013
- 2013-06-24 CL CL2013001873A patent/CL2013001873A1/en unknown
- 2013-06-27 CO CO13152939A patent/CO6791583A2/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1200145A (en) * | 1958-01-09 | 1959-12-18 | Bertin & Cie | Improvements to jet devices for driving a fluid or compressing a gaseous fluid |
US4227863A (en) * | 1978-09-18 | 1980-10-14 | Raymond Sommerer | Centrifugal aspirator |
Non-Patent Citations (1)
Title |
---|
See also references of WO2012088340A2 * |
Also Published As
Publication number | Publication date |
---|---|
DK2655894T3 (en) | 2019-01-28 |
PE20141082A1 (en) | 2014-09-24 |
EP2655894B1 (en) | 2018-10-17 |
EP2655894A4 (en) | 2014-05-14 |
CO6791583A2 (en) | 2013-11-14 |
WO2012088340A3 (en) | 2012-10-26 |
CL2013001873A1 (en) | 2014-04-21 |
BR112013016120B1 (en) | 2021-02-17 |
WO2012088340A2 (en) | 2012-06-28 |
BR112013016120A2 (en) | 2018-07-10 |
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