EP2464868A1 - Diaphragm machine - Google Patents
Diaphragm machineInfo
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 239000012528 membrane Substances 0.000 claims description 92
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009039175 | 2009-08-11 | ||
PCT/EP2010/061305 WO2011018394A1 (en) | 2009-08-11 | 2010-08-03 | Diaphragm machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2464868A1 true EP2464868A1 (en) | 2012-06-20 |
EP2464868B1 EP2464868B1 (en) | 2019-04-17 |
Family
ID=42938515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10737345.8A Active EP2464868B1 (en) | 2009-08-11 | 2010-08-03 | Diaphragm machine |
Country Status (8)
Country | Link |
---|---|
US (1) | US9062670B2 (en) |
EP (1) | EP2464868B1 (en) |
JP (1) | JP2013501882A (en) |
CN (1) | CN102483055A (en) |
BR (1) | BR112012003036A8 (en) |
CA (1) | CA2763125C (en) |
RU (1) | RU2012108928A (en) |
WO (1) | WO2011018394A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103244393A (en) * | 2013-05-10 | 2013-08-14 | 北京京城压缩机有限公司 | Diaphragm type compressor integration cylinder body component with single cylinder body and multiple cylinder covers |
CN103244394A (en) * | 2013-05-10 | 2013-08-14 | 北京京城压缩机有限公司 | Integrated cylinder block component of single cylinder cover diaphragm type compressor |
CN103244392B (en) * | 2013-05-10 | 2015-08-19 | 北京京城压缩机有限公司 | A kind of integrated part of cylinder block of membrane compressor with multi-cylinder lid |
CN112032038B (en) * | 2020-09-11 | 2023-01-10 | 衡阳盈德气体有限公司 | Novel internal anti-icing device for piston liquid pump |
CN114688002A (en) * | 2022-02-23 | 2022-07-01 | 西安交通大学 | Split diaphragm compressor |
GB202205883D0 (en) * | 2022-04-22 | 2022-06-08 | Cytiva Sweden Ab | Pump for a bioprocessing system |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (en) * | 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 (en) * | 1989-07-25 | 1991-03-13 | Matsushita Electric Works Ltd | Diaphragm pump |
DE3942981A1 (en) | 1989-12-27 | 1991-07-04 | Karl Eickmann | High pressure water pump aggregate - uses central plate to form membrane stroke boundary wall |
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 (en) * | 1997-11-13 | 1999-05-14 | Svante Bahrton | valve device |
DE59809021D1 (en) | 1998-05-20 | 2003-08-21 | Wagner Ag Altstaetten J | DIAPHRAGM PUMP FOR CONVEYING HIGH-VISCUS MEDIA |
DE69836836T2 (en) * | 1998-11-06 | 2007-06-28 | Honeywell, Inc., Minneapolis | ELECTROSTATICALLY OPERATED PUMP ARRAY |
JP2001241379A (en) | 2000-02-28 | 2001-09-07 | Tacmina Corp | Reciprocating pump |
JP4330323B2 (en) * | 2001-10-24 | 2009-09-16 | 株式会社タクミナ | Reciprocating pump |
CN1179127C (en) * | 2002-09-03 | 2004-12-08 | 吉林大学 | Multiple-cavity piezoelectric film driven pump |
-
2010
- 2010-08-03 CA CA2763125A patent/CA2763125C/en not_active Expired - Fee Related
- 2010-08-03 US US13/380,280 patent/US9062670B2/en not_active Expired - Fee Related
- 2010-08-03 CN CN2010800360238A patent/CN102483055A/en active Pending
- 2010-08-03 EP EP10737345.8A patent/EP2464868B1/en active Active
- 2010-08-03 WO PCT/EP2010/061305 patent/WO2011018394A1/en active Application Filing
- 2010-08-03 BR BR112012003036A patent/BR112012003036A8/en not_active Application Discontinuation
- 2010-08-03 JP JP2012524200A patent/JP2013501882A/en active Pending
- 2010-08-03 RU RU2012108928/06A patent/RU2012108928A/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2011018394A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102483055A (en) | 2012-05-30 |
BR112012003036A2 (en) | 2016-04-19 |
CA2763125C (en) | 2017-05-16 |
WO2011018394A1 (en) | 2011-02-17 |
US9062670B2 (en) | 2015-06-23 |
BR112012003036A8 (en) | 2017-10-10 |
US20120100022A1 (en) | 2012-04-26 |
EP2464868B1 (en) | 2019-04-17 |
JP2013501882A (en) | 2013-01-17 |
CA2763125A1 (en) | 2011-02-17 |
RU2012108928A (en) | 2013-09-20 |
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