EP3548158A1 - Abscheidevorrichtung - Google Patents
AbscheidevorrichtungInfo
- Publication number
- EP3548158A1 EP3548158A1 EP17801595.4A EP17801595A EP3548158A1 EP 3548158 A1 EP3548158 A1 EP 3548158A1 EP 17801595 A EP17801595 A EP 17801595A EP 3548158 A1 EP3548158 A1 EP 3548158A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- fluid
- cooling
- unit
- plate heat
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/048—Controlling the filtration by temperature measuring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0058—Working-up used lubricants to recover useful products ; Cleaning by filtration and centrifugation processes; apparatus therefor
Definitions
- the invention relates to a separation device for separating degradation products, such as varnish, from fluids, such as oil.
- Functional fluids such as oil
- lubricants are used in hydraulic systems as lubricants as well as hydraulic media.
- a fluid used In order to maintain the proper functioning of the respective hydraulic system, it is necessary for a fluid used to be of very high quality throughout the entire time in which it circulates, for example, in a fluid circuit of the hydraulic system, and is free of contaminants, in particular of degradation products associated with the degeneration of the fluid in use. Therefore, in hydraulic systems that do not purify the fluid, when a maximum allowable contamination is reached, complete replacement of the spent fluid with a new fluid is required. On the one hand, this is very labor-intensive in most hydraulic systems and, on the other, is very expensive if, as usual, they are fluids which, for the purpose of achieving special properties, are provided with additives.
- the invention has the object to provide a separation device available, with the degradation products of fluids, such as varnish, are removable in a particularly advantageous manner.
- the invention accordingly provides a separating device which comprises at least one motor-pump unit for the transport of the fluid, a
- Heat exchanger unit for cooling the fluid, a filter device for filtering out the degradation products from the fluid and from a component comprising the above components fluid circuit having an inlet and an outlet for the fluid.
- the cooling of the fluid carried out by means of the heat exchanger unit leads to the agglomeration of the
- Varnish to larger molecules This precipitation opens up the possibility of filtering out the large molecules formed by means of a filter device according to the prior art.
- the motor-pump unit according to the invention for the transport of the fluid in a fluid circuit provided with an inlet and an outlet, the separation can take place.
- devoriques assigned to a respective hydraulic system for example in the form of a secondary circuit.
- the heat exchanger unit can be arranged in the fluid circuit between the motor pump unit and the filter device, wherein the heat exchanger unit can be formed from a plate heat exchanger or electric oil-air cooler or from a plate heat exchanger with a cooling compressor.
- the plate heat exchanger can be provided as a cooling medium water, which is provided outside of the heat exchanger.
- the heat exchanger can use a water-glycol mixture as the cooling medium, which is made available to the heat exchanger by means of a cooling compressor integrated in the heat exchanger.
- the figure shows the fluid circuit of an embodiment of the separation device according to the invention, which is designed as an independent cleaning system, which is connected via flexible lines 2 and 4 to the fluid tank 6 of a hydraulic system, which is not shown connectable.
- the cleaning of the fluid takes place in a secondary flow to the fluid circuit of the associated hydraulic system, such as a heavily used and hot running lubrication and hydraulic system, for example in gas and steam turbines.
- the separating device according to the invention can be assigned permanently to the relevant system or can be designed as an independent cleaning system, which connects via the flexible lines 2 and 4 a hydraulic system in which a care of the fluid is required, can be connected.
- the fluid circuit of the separation device has on the line 2, via which it can be connected to the tank 6 of the associated hydraulic system, a fluid inlet 8, to which a motor-pump unit 10 is connected.
- a fluid inlet 8 to which a motor-pump unit 10 is connected.
- This has, as usual in such units, an electric motor drivable hydraulic pump 12 and an inserted between the suction side 14 and pressure side 16 pressure relief valve 18.
- the pressure side 16 is connected to the input 20 of a heat exchanger 22, at the output 24, a filter device 26 connects.
- a filter housing on an interchangeable filter element 28 which, for example, in the form of a filter cartridge cylindrically shaped, for the depth filtration of a flowing in the secondary flow fluid circuit volume flow of, for example, 1 to 20 l / min, preferably of 2 l / min, and may have a cellulose-based filter medium.
- a vent 30 and an emptying 32 can be provided on the housing of the filter element 28.
- a contamination indicator 38 inserted between the unfiltered inlet 34 and the filtrate outlet 36 allows the functional control of the filter element 28, for example in conjunction with a bypass bypassing the filter element. From the outlet 36, the filtrate is returned via a return line 40 and the flexible conduit 4 to the tank 6.
- the heat exchanger 22 can be formed from a plate heat exchanger or an electric oil-air cooler.
- the heat transfer unit may be formed by a kind of finned radiator, the fins of which are flowed through by an air flow generated by means of an electric motor-driven blower.
- a plate heat exchanger may be provided as the cooling medium water, which is provided outside the heat exchanger and has a low water temperature of preferably less than 10 ° C.
- the plate heat exchanger can be operated with a water-glycol mixture, which has a low, for example, below zero temperature and is provided by a refrigerant compressor. This can be integrated in the heat exchanger unit or operated externally and connected to the plate heat exchanger via cooling lines.
- the transfer capacity of the heat exchanger 22 is controlled such that the fluid flowing in via the inlet 8, for example with an operating oil temperature of 40 ° C. or higher, is cooled to a temperature of less than 10 ° C., before it enters the filter device 26 via the non-filtrate inlet 34.
- This cooling of the fluid results in agglomeration of the contained varnish, resulting in the formation of larger molecules that precipitate out of the fluid or flocculate and are cleanable by the filter element 28.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016014303.7A DE102016014303A1 (de) | 2016-12-01 | 2016-12-01 | Abscheidevorrichtung |
PCT/EP2017/001330 WO2018099589A1 (de) | 2016-12-01 | 2017-11-14 | Abscheidevorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3548158A1 true EP3548158A1 (de) | 2019-10-09 |
Family
ID=60421726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17801595.4A Withdrawn EP3548158A1 (de) | 2016-12-01 | 2017-11-14 | Abscheidevorrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3548158A1 (de) |
AU (1) | AU2017368018A1 (de) |
DE (1) | DE102016014303A1 (de) |
WO (1) | WO2018099589A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112539166B (zh) * | 2020-11-06 | 2022-07-19 | 江苏徐工工程机械研究院有限公司 | 一种液压控制系统及疏通设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2654692A (en) * | 1950-04-07 | 1953-10-06 | Texaco Development Corp | Solvent dewaxing |
DE102005024743B3 (de) * | 2005-05-31 | 2006-09-28 | Hydac System Gmbh | Temperiervorrichtung |
DE102008030969A1 (de) * | 2008-06-30 | 2009-12-31 | Agco Gmbh | Durchflusssteuerung |
DE102009035401A1 (de) | 2009-07-30 | 2011-02-03 | Hydac Filter Systems Gmbh | Filtervorrichtung |
CN104254379B (zh) * | 2012-01-10 | 2017-02-22 | C·C·詹森有限公司 | 用于清洁降解的油的方法和系统 |
DE102014002410A1 (de) * | 2014-02-20 | 2015-08-20 | Hydac Fluidtechnik Gmbh | Kompaktaggregat |
-
2016
- 2016-12-01 DE DE102016014303.7A patent/DE102016014303A1/de not_active Withdrawn
-
2017
- 2017-11-14 AU AU2017368018A patent/AU2017368018A1/en not_active Abandoned
- 2017-11-14 WO PCT/EP2017/001330 patent/WO2018099589A1/de unknown
- 2017-11-14 EP EP17801595.4A patent/EP3548158A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU2017368018A1 (en) | 2019-07-18 |
DE102016014303A1 (de) | 2018-06-07 |
WO2018099589A1 (de) | 2018-06-07 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Effective date: 20190701 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BAUER, MARTIN Inventor name: SCHUNK, ANDREAS Inventor name: HIERY, FRANK |
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Effective date: 20200821 |
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Effective date: 20211116 |