EP2464868B1 - Machine à membranes - Google Patents

Machine à membranes Download PDF

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Publication number
EP2464868B1
EP2464868B1 EP10737345.8A EP10737345A EP2464868B1 EP 2464868 B1 EP2464868 B1 EP 2464868B1 EP 10737345 A EP10737345 A EP 10737345A EP 2464868 B1 EP2464868 B1 EP 2464868B1
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EP
European Patent Office
Prior art keywords
diaphragm
hydraulic
valve
pressure
machine
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
EP10737345.8A
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German (de)
English (en)
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EP2464868A1 (fr
Inventor
Horst Fritsch
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Prominent GmbH
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Prominent GmbH
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Publication of EP2464868A1 publication Critical patent/EP2464868A1/fr
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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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06—Pumps having fluid drive
    • F04B43/073—Pumps having fluid drive the actuating fluid being controlled by at least one valve
    • F04B43/0733—Pumps having fluid drive the actuating fluid being controlled by at least one valve with fluid-actuated pump inlet or outlet valves; with two or more pumping chambers in series

Definitions

  • the present invention relates to a multi-cylinder membrane machine with at least two hydraulically driven diaphragms comprising a drive unit for generating at least two pulsating hydraulic fluid streams for driving the membrane and a delivery unit for conveying a delivery medium having at least two delivery chambers whose volumes are changed by the movement of a respective membrane can, each pumping chamber is connected via a pressure valve with a pressure line and a suction valve with a suction line.
  • the WO 99/25999 shows a valve assembly with an inlet port and two outlet ports.
  • the valve assembly has a valve element arranged in a valve element, which can be moved between two end positions, wherein in the respective end positions in each case an outlet port is closed.
  • this object is achieved by a multi-cylinder membrane machine according to claim 1.
  • the multi-cylinder diaphragm machine according to the invention eliminates the mentioned problems or disadvantages in a simple manner by providing a clear separation between drive unit and conveyor unit and thus each of the two units can be optimized independently of each other in their structural design.
  • the two units are coupled by connecting lines which are connected to the hydraulic drive, i. the drive unit, transmitted pulsating hydraulic fluid streams transmitted to the delivery unit of the membrane machine via the membrane body.
  • This concept makes it possible to provide the components of the delivery unit, which are generally made of high-quality, expensive materials and wetted by the delivery fluid, with an extremely compact, space-saving and material-saving form.
  • the delivery unit can be designed so that no other, wetted by the fluid flow components must be removed and replace the expensive collection pipelines for a membrane change, which connect the individual membrane heads on the suction and pressure side, can be greatly reduced or even eliminated altogether.
  • the drive unit can be designed, for example, as an eccentric crank motor, which allows all the piston rods to lie in a common plane, as a result of which both the bending moment in the eccentric shaft and the bearing forces in a three-cylinder machine are reduced to one third of the values occurring in conventional row-shaped crank mechanisms. As a result, the size can be drastically reduced.
  • a further advantage of the eccentric bushing engine is that it has a very high energy efficiency and thus contributes to energy savings.
  • the inventive arrangement of the delivery unit consisting of a substantially centrally arranged membrane body and attached thereto or hydraulic bodies thereon, between which a cavity is formed, in which one of the membrane is arranged, so that the membrane, the cavity in a hydraulic space with the pulsating Hydraulic fluid flows is connected, and the delivery space divided.
  • the hydraulic body are arranged on the outside of the membrane body, so that can be accessed by disassembly of the hydraulic body of the membrane body on the membrane and this can be optionally replaced.
  • the membrane body forms a central block, wherein the membrane body is formed either in one piece or consists of several parts, which together with a connecting piece form a central block.
  • the latter variant is somewhat more expensive to produce, it has the advantage that the central block can be made of a less expensive material than the other parts of the membrane body, which come into contact with the fluid and therefore have to meet special requirements.
  • the components intended to control and monitor the membrane machine such as e.g. a pressure relief valve, a Mamaentgasungsventil, a leak relief valve or a hydraulic fluid reservoir arranged in the drive unit.
  • a pressure relief valve e.g. a pressure relief valve, a Mamaentgasungsventil, a leak relief valve or a hydraulic fluid reservoir arranged in the drive unit.
  • the conveyor unit may have an upper side, a lower side and circumferential side surfaces, wherein the hydraulic bodies are arranged on the circumferential side surfaces and that one or more collectors may then be arranged on the upper or the lower side.
  • the multi-cylinder membrane machine will be designed such that pulsating hydraulic fluid streams of the same strength are supplied to the membranes, wherein the pulsating hydraulic fluid streams are out of phase with each other to ensure that at each position of the drive piston present in the drive unit, a significant promotion takes place.
  • the delivery unit is designed as a two-stage membrane compressor and both stages have a common membrane body, wherein preferably a valve functions both as a first-stage pressure valve, and as a second-stage suction valve.
  • the drive unit above the conveyor unit i. is arranged at a geodetically higher point.
  • FIG. 1 shows an embodiment of a multi-cylinder membrane machine according to the invention consisting of a drive unit 1, a conveyor unit 2 and the hydraulic lines connecting the conveyor unit and the drive unit.
  • the conveyor unit 2 is composed of the diaphragm body 4, the hydraulic bodies 5 and the diaphragms 6 touched by the conveying fluid.
  • the hydraulic bodies 5 are attached to the outer surface of the diaphragm body 4. Both hydraulic body and membrane body each have a recess, so that there is a cavity between the membrane body and hydraulic body 5 when placed on the membrane body hydraulic body. In this cavity, the membrane 6 is introduced, which divides the cavity into two spaces 16, namely in the delivery chamber and the hydraulic space.
  • the delivery chamber is thus formed essentially by the membrane and the indentation provided in the membrane body, while the hydraulic space is formed by the indentation formed in the hydraulic body and the membrane.
  • the drive unit 1 contains the components normally integrated in the delivery unit 2, these being in the example shown a pressure relief valve 7, a Mamaentgasungsventil 8, a leak-relief valve 9 and a hydraulic fluid reservoir 10th
  • the conveyor unit can be made extremely compact.
  • this would require a special application, to integrate a part of said components in the conveyor unit, even if this would increase the size of the conveyor unit again.
  • the conveyor unit is in the FIGS. 2 and 3 once again enlarged in two sectional views shown. It can be seen that all the components in contact with the conveying fluid are arranged in a membrane body block 4.
  • the hydraulic bodies 5 are arranged on the periphery thereof so that the membranes 6 can be exchanged with little effort, ie without dismantling the fluid-wetted components.
  • suction valves 11 and pressure valves 12 are each connected by a claw 13 with the membrane body, so that the usual expensive collection piping can be omitted and the valves are also easily accessible.
  • FIG. 4 shows various embodiments of the conveyor unit in sectional views, in which the diaphragm body block 4 either in one piece (see the top 3 embodiments of the left Side of FIG. 4 ) or consisting of individual parts 14, which are combined by a connecting piece 15 into a block is executed.
  • the diaphragm body block 4 either in one piece (see the top 3 embodiments of the left Side of FIG. 4 ) or consisting of individual parts 14, which are combined by a connecting piece 15 into a block is executed.
  • the upper left embodiment is not part of the invention because it has only two membranes.
  • a center exists around which the individual hydraulic bodies 5 are arranged.
  • the hydraulic bodies are thus all in one plane.
  • FIG. 5 a construction provided for membrane compressors in which the membrane body 4 form a two-stage valve, wherein the pressure valve of the stage 1, which is formed by the first membrane body member 21, and the suction valve of the stage 2, which is formed by the second membrane body member 22 through a single valve 17 is realized.
  • the membrane body 4 form a two-stage valve, wherein the pressure valve of the stage 1, which is formed by the first membrane body member 21, and the suction valve of the stage 2, which is formed by the second membrane body member 22 through a single valve 17 is realized.
  • FIG. 6 a true to scale comparison between a conventional diaphragm pump with crank mechanism 19 (left side of the FIG. 6 ) and a membrane pump 20 according to the invention with a Exzenterkulissentriebtechnik same capacity (right side of FIG. 6 )shown.
  • the delivery unit is designed significantly more compact, so that it can be used even in tight spaces.
  • the drive unit can then be arranged separately via the hydraulic lines.
  • the pulsating hydraulic fluid streams delivered by the drive unit will be the same for all pressure chambers of the membrane bodies and the work spaces will have the same volume.
  • connection of the connecting line between the conveyor unit 2 and drive unit 1 is arranged at the geodetically highest point of the hydraulic chamber 5.
  • leak-relief valves 9 arranged in the drive unit 1 are connected to the hydraulic chamber 5 of the conveyor unit 2 by means of a pipeline or a hose 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Actuator (AREA)

Claims (8)

  1. Machine à membranes multicylindre avec au moins trois membranes (6) entraînées de manière hydraulique, composée de :
    une unité d'entraînement (1) pour la génération d'au moins trois flux de fluide hydraulique pulsés pour l'entraînement de la membrane (6) et une unité de transport (2) pour le transport d'un milieu de transport avec au moins trois espaces de transport, dont les volumes peuvent être modifiés par le déplacement de respectivement une membrane (6), dans laquelle chaque espace de transport est relié à une conduite de pression par le biais d'une soupape de pression (12) et à une conduite d'aspiration par le biais d'une soupape d'aspiration (11), dans laquelle l'unité de transport (2) se compose d'un corps de membrane (4), dans lequel la conduite de pression et la conduite d'aspiration sont agencées, et d'au moins trois corps hydrauliques (5), dans laquelle chaque corps hydraulique (5) est relié à l'unité d'entraînement (1), dans laquelle une cavité est formée entre chaque corps hydraulique (5) et le corps de membrane (4), dans laquelle cavité une des membranes (6) est agencée de sorte que la membrane (6) puisse être déplacée à l'intérieur des cavités par génération des flux de fluide hydraulique pulsés et un milieu de transport soit transmis périodiquement de la conduite d'aspiration à la conduite de pression.
  2. Machine à membranes multicylindre selon la revendication 1, caractérisée en ce que les corps hydrauliques (5) sont agencés au niveau du côté extérieur du corps de membrane (4) de sorte que par démontage du corps hydraulique (5) du corps de membrane (4), il soit possible d'accéder à la membrane (6) et de la remplacer le cas échéant.
  3. Machine à membranes multicylindre selon la revendication 1 ou 2, caractérisée en ce que le corps de membrane (4) forme un bloc central, dans laquelle le corps de membrane (4) ou est réalisé d'un tenant ou se compose de plusieurs parties (14), qui forment un bloc central conjointement avec un raccord.
  4. Machine à membranes multicylindre selon l'une quelconque des revendications 1 à 3, caractérisée en ce que des composants prévus pour la commande et la surveillance de la machine à membranes, comme par exemple une soupape de limitation de pression (7), une soupape de dégazage continu (8), une soupape de complément de fuite (9) ou un réservoir de fluide hydraulique (10), sont agencés dans l'unité d'entraînement (1).
  5. Machine à membranes multicylindre selon l'une quelconque des revendications 1 à 4, caractérisée en ce que toutes les conduites d'aspiration et toutes les conduites de pression sont reliées l'une à l'autre dans ou au niveau du corps de membrane (4), de préférence respectivement dans un collecteur (13), de sorte que le corps de membrane (4) soit relié vers l'extérieur seulement à une conduite de pression et seulement à une conduite d'aspiration.
  6. Machine à membranes multicylindre selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'unité d'entraînement (1) est configurée de sorte que des flux de fluide hydraulique pulsés de différente intensité soient amenés aux membranes (6).
  7. Machine à membranes multicylindre selon l'une quelconque des revendications 1 à 6, caractérisée en ce que l'unité de transport (2) est réalisée en tant que compresseur à membranes à deux étages et les deux étapes ont un corps de membrane commun, dans laquelle de préférence une soupape sert aussi bien de soupape de pression (24) du premier étage que de soupape d'aspiration (23) du deuxième étage.
  8. Machine à membranes multicylindre selon l'une quelconque des revendications 1 à 7, caractérisée en ce que l'unité de transport (2) présente un côté supérieur, un côté inférieur et des surfaces latérales périphériques et les corps hydrauliques (5) sont agencés au niveau des surfaces latérales périphériques, dans laquelle de préférence l'unité d'entraînement (1) est agencée au-dessus de l'unité de transport (2).
EP10737345.8A 2009-08-11 2010-08-03 Machine à membranes Active EP2464868B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009039175 2009-08-11
PCT/EP2010/061305 WO2011018394A1 (fr) 2009-08-11 2010-08-03 Machine à membranes

Publications (2)

Publication Number Publication Date
EP2464868A1 EP2464868A1 (fr) 2012-06-20
EP2464868B1 true EP2464868B1 (fr) 2019-04-17

Family

ID=42938515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10737345.8A Active EP2464868B1 (fr) 2009-08-11 2010-08-03 Machine à membranes

Country Status (8)

Country Link
US (1) US9062670B2 (fr)
EP (1) EP2464868B1 (fr)
JP (1) JP2013501882A (fr)
CN (1) CN102483055A (fr)
BR (1) BR112012003036A8 (fr)
CA (1) CA2763125C (fr)
RU (1) RU2012108928A (fr)
WO (1) WO2011018394A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103244393A (zh) * 2013-05-10 2013-08-14 北京京城压缩机有限公司 一种具有单缸体多缸盖的隔膜式压缩机集成缸体部件
CN103244392B (zh) * 2013-05-10 2015-08-19 北京京城压缩机有限公司 一种具有多缸盖的隔膜式压缩机集成缸体部件
CN103244394A (zh) * 2013-05-10 2013-08-14 北京京城压缩机有限公司 一种单缸盖的隔膜式压缩机集成缸体部件
CN112032038B (zh) * 2020-09-11 2023-01-10 衡阳盈德气体有限公司 一种新型活塞液体泵用内部防结冰装置
CN114688002A (zh) * 2022-02-23 2022-07-01 西安交通大学 一种分体式隔膜压缩机
GB202205883D0 (en) * 2022-04-22 2022-06-08 Cytiva Sweden Ab Pump for a bioprocessing system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030077190A1 (en) * 2001-10-24 2003-04-24 Shigehisa Kinugawa Reciprocating pump and check valve

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GB681139A (en) * 1950-02-22 1952-10-15 Maurice Monoyer An improved hydraulic drive
US2821930A (en) * 1953-06-12 1958-02-04 Ici Ltd Diaphragm operated delivery pumps
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US3659966A (en) * 1970-04-24 1972-05-02 Peter Faber Pumping apparatus for flowable concrete or the like
GB2235697B (en) 1986-12-30 1991-08-14 Gen Electric Improved and property-balanced nickel-base superalloys for producing single crystal articles.
US4856966A (en) * 1988-01-11 1989-08-15 Ozawa R & D., Inc. Variable displacement diaphragm pump
JPH0357889A (ja) * 1989-07-25 1991-03-13 Matsushita Electric Works Ltd ダイヤフラムポンプ
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US5368451A (en) * 1991-06-04 1994-11-29 Hammond; John M. Metering pump
US5332372A (en) * 1992-04-20 1994-07-26 Warren Rupp, Inc. Modular double-diaphragm pump
SE9704160L (sv) * 1997-11-13 1999-05-14 Svante Bahrton Ventilanordning
DE59809021D1 (de) * 1998-05-20 2003-08-21 Wagner Ag Altstaetten J Membranpumpe zur förderung hochviskoser medien
ATE350580T1 (de) * 1998-11-06 2007-01-15 Honeywell Inc Elektrostatisch betätigte pumpenarray
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US20030077190A1 (en) * 2001-10-24 2003-04-24 Shigehisa Kinugawa Reciprocating pump and check valve

Also Published As

Publication number Publication date
EP2464868A1 (fr) 2012-06-20
CN102483055A (zh) 2012-05-30
CA2763125C (fr) 2017-05-16
RU2012108928A (ru) 2013-09-20
US20120100022A1 (en) 2012-04-26
WO2011018394A1 (fr) 2011-02-17
CA2763125A1 (fr) 2011-02-17
BR112012003036A8 (pt) 2017-10-10
JP2013501882A (ja) 2013-01-17
BR112012003036A2 (pt) 2016-04-19
US9062670B2 (en) 2015-06-23

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