EP3698044B1 - Pumpe mit rotierender zylindertrommel mit getrennten führungs- und zentriermitteln für die trommel - Google Patents

Pumpe mit rotierender zylindertrommel mit getrennten führungs- und zentriermitteln für die trommel Download PDF

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Publication number
EP3698044B1
EP3698044B1 EP18779727.9A EP18779727A EP3698044B1 EP 3698044 B1 EP3698044 B1 EP 3698044B1 EP 18779727 A EP18779727 A EP 18779727A EP 3698044 B1 EP3698044 B1 EP 3698044B1
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EP
European Patent Office
Prior art keywords
cylinder block
pump
pistons
plate
pump according
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.)
Active
Application number
EP18779727.9A
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English (en)
French (fr)
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EP3698044A1 (de
Inventor
Jean Tricard
Julien TROST
Philippe Pagnier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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Publication date
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Publication of EP3698044A1 publication Critical patent/EP3698044A1/de
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Publication of EP3698044B1 publication Critical patent/EP3698044B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2035—Cylinder barrels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2064—Housings
    • F04B1/2071—Bearings for cylinder barrels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/128—Driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2064—Housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • F04B49/123—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections

Definitions

  • the present invention relates to the field of pumps, in particular for high-pressure pumping, in particular for drilling operations.
  • crankshaft pumps are the most widespread in all sectors of industry: capital goods, the oil, gas and agri-food industries, the automotive sector, construction (heating, wells, air conditioning, water pumps, etc.) and more specifically for the treatment of water and waste (water and sanitation network). Nevertheless, they are still built from concepts dating from the 1930s, and are the subject of very few research and development studies to improve their performance, reduce their cost price, minimize maintenance costs or reduce their environmental footprint.
  • These pumps have limits in terms of power, pressure/flow rate torque (i.e. limits which result in phenomena similar to "water hammer” generated by the sinusoidal response of the pressure produced by the crankshaft ), weight, performance and service life. In addition, they do not allow variable displacement and therefore lack flexibility of use.
  • the present invention relates to a rotary barrel pump, for which the pivot connection between the barrel and the casing is achieved by separate guide and centering means.
  • This design makes it possible to differentiate the guiding and sealing functions, which facilitates maintenance and servicing of the pump.
  • Said cylinder block is pivotally connected with respect to the housing by separate guide means and centering means.
  • said cylinder block is a single piece, which comprises a first part for guiding said pistons, and a second part comprising said compression chambers.
  • said first and second parts of said cylinder block are connected by a third part, the diameter of which is smaller than the diameters of said first and second parts of said cylinder block.
  • the interior spaces of said first and second parts of said cylinder block do not communicate together.
  • said guide means comprise two angular contact roller bearings mounted in X on said first part of said cylinder block.
  • said centering means comprise a ball bearing mounted on said second part of said cylinder block.
  • said cylinder block is driven by said drive shaft by means of splines provided on said drive shaft.
  • said splines are arranged at the end of said shaft training.
  • said pistons are in sliding pivot connection in said cylinder block.
  • said cylinder block comprises means for sealing with the inlet and discharge pipes of said pump.
  • said barrel pump comprises means for controlling the inclination of said plate.
  • said inclination control means comprises a wheel and worm system.
  • the invention relates to a use of said barrel pump according to one of the preceding characteristics for a drilling operation, in particular for injecting drilling mud into a wellbore.
  • the present invention relates to a rotary barrel pump.
  • the purpose of the barrel pump is to pump a fluid (for example: water, oil, gas, drilling muds, etc.) by means of a linear displacement of several pistons.
  • a fluid for example: water, oil, gas, drilling muds, etc.
  • This type of pump has the advantage of being compact, of having interesting mechanical and volumetric efficiencies, and an excellent weight/power ratio.
  • rotary barrel pumps are suitable for high pressure pumping.
  • the adjustment of the plate inclination allows a variable displacement of the pump, by modifying the stroke of the pistons.
  • the pivot connection between the cylinder block and the casing is formed by separate guide means and centering means.
  • the cylinder block can be a one-piece piece (that is to say made in one piece).
  • the advantage of the "fusion" of the two parts of the cylinder block is to ensure good collinearity of the guide axes and the chamber, since this allows machining all of the guide and sealing means in one go.
  • this design has a reduced mass, because the assembly functions between any two parts of the cylinder block are eliminated (therefore no more screws, washers, nuts, etc.).
  • the one-piece design simplifies assembly of the pump barrel and maintenance of the pump in service. Indeed, for maintenance, thanks to the separation of the guide means and the centering means, it is possible to dismantle only the centering means, or only the guide means.
  • the cylinder block may comprise a first part for guiding the pistons and a second part intended for sealing, the second part comprising the compression chambers of the cylinder block.
  • the second part is intended for the admission and discharge of the pumped fluid.
  • the first and second parts may have a substantially cylindrical shape.
  • the first and second parts can be connected by a third part.
  • this third part can be substantially cylindrical and can have a diameter smaller than the diameters of the first and second parts.
  • the guiding and centering means may comprise two angular contact roller bearings mounted in X (the centers of thrust of the bearings are located between the two bearings).
  • This configuration allows guidance and is suitable for high rotation speeds with heavy loads.
  • the two angular contact roller bearings can be mounted on the first part of the cylinder block.
  • a ball bearing can be provided to limit the overhang of the part and to ensure its centering over the entire length.
  • the choice of a ball bearing has the advantage of being suitable for high rotation speeds. The loads on this bearing being limited, this choice makes it possible to be compact and light.
  • the ball bearing can be mounted on the second part of the cylinder block.
  • the cylinder block can be driven by the drive shaft by means of splines provided on the drive shaft.
  • the drive shaft may include male splines
  • the barrel may include female splines cooperating with the male splines of the drive shaft.
  • the splines make it possible to transmit a high torque.
  • the female splines can be arranged in the second part of the cylinder block, and optionally in the third part of the cylinder block.
  • the female splines can be arranged on the first part of the cylinder block.
  • the cylinder block can be driven by means of a key provided in the drive shaft.
  • the pistons can be in a sliding pivot connection in the barrel, in particular in the first part of the cylinder block, in particular by means of a ring.
  • the pistons are guided for their back and forth movement.
  • the tray may have substantially the shape of a disc. However, the tray can have any shape. Only the compression chambers (and the pistons) are distributed on a circle.
  • the pump according to the invention may comprise a number of pistons comprised between three and fifteen, preferably between five and eleven.
  • a high number of pistons provides a continuous flow upstream and downstream of the pump.
  • the pump further comprises an inlet (intake) and an outlet (discharge) of the fluid to be pumped.
  • the fluid passes through the inlet of the pump, enters a compression chamber, is compressed, and then discharged from the pump through the outlet by means of the piston.
  • the barrel in particular the second part of the cylinder block, may include means for sealing with the intake and discharge pipes of the pump.
  • the angle of inclination of the variable inclination plate relative to the axial direction of the drive shaft can be between 70° and 90°.
  • the variable inclination plate (and a fortiori the rotary plate) can be inclined by an angle comprised between 0 and 20° relative to a radial direction of the drive shaft.
  • the barrel pump may comprise a means for controlling the inclination of the variable inclination plate.
  • this control means may comprise a wheel and endless screw system.
  • the pump may include a second plate (rotating plate).
  • the second plate can be in pivot connection with respect to the plate with variable inclination and can be driven by the drive shaft.
  • the drive of the second plate can be achieved by means of a finger ball joint.
  • the picture 3 illustrates, schematically and in a non-limiting manner, a kinematic diagram of a rotary barrel pump according to one embodiment of the invention.
  • the rotary barrel pump 1 comprises a drive shaft 5.
  • the rotation of the drive shaft 5 is carried out by an external source not shown, for example an electric machine and a gearbox.
  • the drive shaft 5 is in rotation relative to the casing 15.
  • the drive shaft 5 rotates the cylinder block 6 which comprises compression chambers 4.
  • the pump 1 further comprises a plate with variable inclination 2, which, apart from its adjustment of the inclination, is fixed relative to the housing 15.
  • the means for adjusting the inclination of the variable inclination plate 2 is not shown.
  • the pump 1 comprises a piston 3 animated by a translational movement (back and forth movement) within a compression chamber 4.
  • the back and forth movement of the piston 3 is achieved by means of a connecting rod 8 which connects the movable plate 2 and the piston 3 by means of ball joints. This back and forth movement of the piston 3 within the compression chamber 4 makes it possible to pump the fluid.
  • the figure 4 illustrates, schematically and in a non-limiting manner, a sectional view of the barrel according to one embodiment of the invention. This is a sectional view along a plane comprising the axis of the drive shaft 5.
  • the cylinder block 6 comprises a first part 16 intended for guiding the pistons 3, and a second part 18 comprising the chambers compression 4.
  • the cylinder block 6 comprises a third part 17 connecting the first part 16 to the second part 18.
  • the first and second parts 16 and 18 have a substantially cylindrical shape.
  • the third part 17 is also cylindrical and has a diameter smaller than the diameters of the first and second parts 16 and 18.
  • a cover 9 is provided at the end of the drive shaft 5 so as to separate the internal spaces of the first and second parts 16 and 18.
  • the cylinder block 6 is rotatably mounted in the casing 15, thanks to centering means and guide means.
  • the centering means comprise a ball bearing 13 mounted between the second part 18 of the barrel 6 and the casing 15.
  • the guide means comprise two angular contact roller bearings 11 and 12 mounted between the first part 16 of the barrel 6 and the casing 15.
  • the angular contact roller bearings 11 and 12 are mounted in X.
  • the first part 16 of the barrel 6 includes a ring 14 allowing a sliding pivot connection between the piston 3 and the barrel 6.
  • the drive shaft 5 For driving the cylinder block, the drive shaft 5 has splines 19 at its end, which cooperate with female splines (not shown) provided in the second and third parts 18 and 17 of the cylinder block 6.
  • the invention also relates to the use of the pump according to the invention for a drilling operation, in particular for injecting drilling mud into a wellbore.
  • the pump according to the invention is well suited to this use, by its flexibility, its compactness, and its resistance to high pressures.
  • the pump according to the invention can be dimensioned to operate up to pressures of the order of 1500 bars, that is to say 150 MPa.
  • the pump according to the invention can be sized to operate at flow rates varying from 30 to 600 m 3 /h.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Claims (11)

  1. Pumpe mit Trommel umfassend ein Gehäuse (15) und umfassend im Inneren des Gehäuses (15):
    - eine Antriebswelle (5),
    - einen Zylinderblock (6), der wenigstens zwei Druckkammern (4) aufweist, die in Umfangsrichtung verteilt sind, wobei der Zylinderblock (6) von der Antriebswelle (5) angetrieben wird,
    - eine Scheibe (2), deren Neigung einstellbar ist,
    - wenigstens zwei Kolben (3) jeweils in Translation in den Druckkammern (4) des Zylinderblocks (6), wobei die Kolben (3) mittels Pleuelstangen (8) von der Scheibe (2) angetrieben werden,
    dadurch gekennzeichnet, dass der Zylinderblock (6) im Verhältnis zum Gehäuse (15) durch getrennte Führungs- und Zentriermittel in Schwenkverbindung steht, dadurch, dass der Zylinderblock (6) ein einstückiges Teil ist, das einen ersten Abschnitt (16) zur Führung der Kolben (3) und einen zweiten Abschnitt (18) umfasst, der die Druckkammern (4) umfasst, und dadurch, dass der erste (16) und zweite (18) Abschnitt des Zylinderblocks (6) durch einen dritten Abschnitt (17) verbunden sind, dessen Durchmesser kleiner als die Durchmesser des ersten (16) und zweiten (18) Abschnitts des Zylinderblocks (6) ist
  2. Pumpe nach Anspruch 1, wobei die Innenräume des ersten (16) und zweiten (18) Abschnitts des Zylinderblocks (6) nicht miteinander in Verbindung stehen.
  3. Pumpe nach einem der Ansprüche 1 oder 2, wobei die Führungsmittel zwei Schrägrollenlager (11, 12) aufweisen, die X-förmig auf dem ersten Abschnitt (16) des Zylinderblocks (6) angebracht sind.
  4. Pumpe nach einem der vorhergehenden Ansprüche, wobei die Zentriermittel ein Kugellager (13) aufweisen, das auf dem zweiten Abschnitt (18) des Zylinderblocks (6) angebracht ist.
  5. Pumpe nach einem der vorhergehenden Ansprüche, wobei der Zylinderblock (6) von der Antriebswelle (5) mittels Rillen (19) angetrieben wird, die auf der Antriebswelle (5) vorgesehen sind.
  6. Pumpe nach Anspruch 5, wobei die Rillen am Ende der Antriebswelle (5) angeordnet sind.
  7. Pumpe nach einem der vorhergehenden Ansprüche, wobei sich die Kolben (3) in Gleitschwenkverbindung im Zylinderblock (6) befinden.
  8. Pumpe nach einem der vorhergehenden Ansprüche, wobei der Zylinderblock (6) Dichtungsmittel mit der Zufuhr- und Druckleitung der Pumpe (1) umfasst.
  9. Pumpe nach einem der vorhergehenden Ansprüche, wobei die Pumpe mit Trommel (1) ein Mittel zur Steuerung der Neigung der Scheibe (2) aufweist.
  10. Pumpe nach Anspruch 9, wobei das Mittel zur Steuerung der Neigung ein System mit Schneckenrad und Schnecke aufweist.
  11. Verwendung der Pumpe mit Trommel (1) nach einem der vorhergehenden Ansprüche für einen Bohrvorgang, insbesondere für die Einspritzung von Bohrschlämmen in ein Bohrloch.
EP18779727.9A 2017-10-20 2018-10-08 Pumpe mit rotierender zylindertrommel mit getrennten führungs- und zentriermitteln für die trommel Active EP3698044B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1759897A FR3072736B1 (fr) 2017-10-20 2017-10-20 Pompe a barillet rotatif avec moyens de guidage et de centrage du barillet distincts
PCT/EP2018/077337 WO2019076670A1 (fr) 2017-10-20 2018-10-08 Pompe a barillet rotatif avec moyens de guidage et de centrage du barillet distincts

Publications (2)

Publication Number Publication Date
EP3698044A1 EP3698044A1 (de) 2020-08-26
EP3698044B1 true EP3698044B1 (de) 2022-12-07

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ID=60515672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18779727.9A Active EP3698044B1 (de) 2017-10-20 2018-10-08 Pumpe mit rotierender zylindertrommel mit getrennten führungs- und zentriermitteln für die trommel

Country Status (6)

Country Link
US (1) US11486372B2 (de)
EP (1) EP3698044B1 (de)
CN (1) CN111279075A (de)
CA (1) CA3078162A1 (de)
FR (1) FR3072736B1 (de)
WO (1) WO2019076670A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111963645B (zh) * 2020-06-28 2022-01-25 重庆交通大学绿色航空技术研究院 轴协同斜盘转缸式轴向活塞驱动装置

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Also Published As

Publication number Publication date
CN111279075A (zh) 2020-06-12
EP3698044A1 (de) 2020-08-26
US11486372B2 (en) 2022-11-01
US20210123420A1 (en) 2021-04-29
CA3078162A1 (fr) 2019-04-25
WO2019076670A1 (fr) 2019-04-25
FR3072736B1 (fr) 2022-05-06
FR3072736A1 (fr) 2019-04-26

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