EP2464868A1 - Machine à membranes - Google Patents

Machine à membranes

Info

Publication number
EP2464868A1
EP2464868A1 EP10737345A EP10737345A EP2464868A1 EP 2464868 A1 EP2464868 A1 EP 2464868A1 EP 10737345 A EP10737345 A EP 10737345A EP 10737345 A EP10737345 A EP 10737345A EP 2464868 A1 EP2464868 A1 EP 2464868A1
Authority
EP
European Patent Office
Prior art keywords
membrane
hydraulic
pressure
cylinder
drive unit
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
Application number
EP10737345A
Other languages
German (de)
English (en)
Other versions
EP2464868B1 (fr
Inventor
Horst Fritsch
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.)
Prominent GmbH
Original Assignee
Prominent Dosiertechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prominent Dosiertechnik GmbH filed Critical Prominent Dosiertechnik GmbH
Publication of EP2464868A1 publication Critical patent/EP2464868A1/fr
Application granted granted Critical
Publication of EP2464868B1 publication Critical patent/EP2464868B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 having 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 by the movement of a respective membrane can be changed, each delivery chamber is connected via a pressure valve to a pressure line and a suction valve with a suction line.
  • a multi-cylinder diaphragm machine of the type mentioned, in which the conveyor unit consists of a membrane body, in which the pressure and suction line is arranged, and at least two hydraulic bodies, each hydraulic body is connected to the drive unit, wherein between each Hydraulic body and the membrane body, a cavity is formed, in which one of the membrane is arranged, so that by generating the pulsating hydraulic fluid flows, the membranes are moved within the cavities and a fluid is transferred periodically from the suction line into the pressure line.
  • 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 to be pumped components must be dismantled for a membrane change and the expensive Sam- melrohr Oberen, which connect the individual membrane heads on the suction and pressure side, 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, whereby 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 crank engines in a row construction , 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 manne 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 provided for controlling and monitoring the membrane machine such as a pressure relief valve, a Mamaentgasungsventil, a leak-relief valve or a hydraulic fluid reservoir are arranged in the drive unit.
  • the more of these components are integrated into the drive unit, the more compact the delivery unit can be configured.
  • all suction lines and all pressure lines in or on the membrane body preferably in each case in a claw, are interconnected, so that the membrane body is connected to the outside only with a pressure line and only with a suction line. This measure reduces the costs of Provision of suction and discharge lines.
  • 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. Furthermore, it is fundamentally advantageous to arrange the hydraulic bodies such that the hydraulic lines from the hydraulic bodies to the drive unit are as short as possible and as long as possible in order to keep the influences of the lines as small and uniform as possible.
  • FIG. 1 shows a multi-cylinder membrane machine according to the invention
  • FIG. 3 shows a delivery unit in a view from above
  • FIG. 4 shows various embodiments of the compact delivery unit
  • Figure 5 shows an embodiment of the delivery unit of a two-stage diaphragm compressor
  • FIG. 6 shows a scale comparison between a conventional diaphragm pump and an embodiment of the diaphragm pump according to the invention.
  • Figure 1 shows an embodiment of a multi-cylinder diaphragm machine according to the invention consisting of a drive unit 1, a conveyor unit 2 and the conveyor unit and the
  • 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 membrane 6 will bend, so that the hydraulic space is larger and the delivery chamber is smaller.
  • the delivery medium located in the delivery chamber is now largely transported via the pressure valve in the pressure line. If the pressure in the hydraulic chamber drops again, the diaphragm will deform in the other direction, so that the delivery chamber receives a larger volume. From the suction line then further pumped medium is brought into the pumping chamber via the suction valve.
  • 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 delivery unit is shown enlarged again in two sectional views in FIGS. 2 and 3. 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 at the periphery thereof so that the diaphragms 6 can be connected with little effort, i. without dismantling the fluid wetted components, can be replaced.
  • suction valves 1 1 and pressure valves 12 are each connected by a claw 13 with the membrane body, so that the usual expensive manifolds can be omitted and the valves are also easily accessible.
  • Figure 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 4) or consisting of individual parts 14, which are combined by a connecting piece 15 to form a block.
  • a center exists around which the individual hydraulic bodies 5 are arranged.
  • the hydraulic bodies are thus all in one plane.
  • FIG. 5 shows a construction provided for membrane compressors, in which the membrane bodies 4 form a two-stage valve, the pressure valve of stage 1, which is formed by the first membrane body element 21, and the suction valve of stage 2, FIG is formed by the second membrane body member 22 is realized by a single valve 17.
  • FIG. 6 shows a true-to-scale comparison between a conventional diaphragm pump with crank mechanism 19 (left side of FIG. 6) and a diaphragm pump 20 according to the invention with an eccentric crank mechanism of the same delivery rate (right side of FIG. It can be clearly seen that 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.
  • the pump chambers may be advantageous for certain applications if the pump chambers have unequal volumes and hydraulic fluid flows of different strength are applied. Furthermore, it is advantageous if the 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)

Abstract

L'invention concerne une machine à membranes multicylindre comportant au moins deux membranes entraînées de façon hydraulique, composée d'une unité d'entraînement (1) pour produire au moins deux flux de fluide hydraulique pulsés pour l'entraînement de la membrane, et d'une unité de transport (2) pour transporter un fluide de transport, comprenant au moins deux espaces de puisage dont les volumes peuvent être modifiés par le déplacement d'une membrane respectivement, chaque espace de transport étant relié à une conduite d'alimentation au moyen d'une soupape d'alimentation et à une conduite d'aspiration au moyen d'une soupape d'aspiration. L'invention vise à mettre en oeuvre une machine à membranes multicylindre éliminant ou réduisant au moins les inconvénients cités, particulièrement compacte, présentant par conséquent de faibles besoins d'espace et de matériaux, ayant un rendement énergétique élevé, une grande flexibilité dans l'adaptation aux conditions du site d'implantation, et garantissant en même temps que le montage et le démontage des membranes individuelles et des soupapes sont possibles de façon simple. A cet effet, l'unité de transport est composée d'un corps de membrane contenant la conduite d'alimentation et la conduite d'aspiration, et d'au moins deux corps hydrauliques, chaque corps hydraulique étant relié à l'unité d'entraînement. Par ailleurs, entre chaque corps hydraulique et le corps de membrane, un interstice est créé pour contenir une des membranes de telle manière que la production des flux de fluide hydraulique pulsés provoque un mouvement des membranes dans les interstices et le transfert périodique d'un fluide de transport de la conduite d'aspiration vers la conduite d'alimentation.
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 true EP2464868A1 (fr) 2012-06-20
EP2464868B1 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
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
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
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

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US2383193A (en) * 1943-11-01 1945-08-21 Oliver United Felters Inc Diaphragm pump
US2657636A (en) * 1949-03-24 1953-11-03 Benjamin F Schmidt Hydraulic pump
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
JPS4840169Y1 (fr) * 1970-02-26 1973-11-26
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
DE3942981A1 (de) 1989-12-27 1991-07-04 Karl Eickmann Hoechstdruck-aggregat
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
EP0959247B1 (fr) 1998-05-20 2003-07-16 J. Wagner AG Pompe a membrane pour fluids hautement visqueux
ATE350580T1 (de) * 1998-11-06 2007-01-15 Honeywell Inc Elektrostatisch betätigte pumpenarray
JP2001241379A (ja) * 2000-02-28 2001-09-07 Tacmina Corp 往復動ポンプ
JP4330323B2 (ja) * 2001-10-24 2009-09-16 株式会社タクミナ 往復動ポンプ
CN1179127C (zh) * 2002-09-03 2004-12-08 吉林大学 多腔压电薄膜驱动泵

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Title
See references of WO2011018394A1 *

Also Published As

Publication number Publication date
CA2763125A1 (fr) 2011-02-17
EP2464868B1 (fr) 2019-04-17
RU2012108928A (ru) 2013-09-20
JP2013501882A (ja) 2013-01-17
WO2011018394A1 (fr) 2011-02-17
US9062670B2 (en) 2015-06-23
CN102483055A (zh) 2012-05-30
US20120100022A1 (en) 2012-04-26
CA2763125C (fr) 2017-05-16
BR112012003036A8 (pt) 2017-10-10
BR112012003036A2 (pt) 2016-04-19

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