WO2013010818A1 - Ensemble filtre pour fluide et procédé de filtration - Google Patents

Ensemble filtre pour fluide et procédé de filtration Download PDF

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Publication number
WO2013010818A1
WO2013010818A1 PCT/EP2012/063253 EP2012063253W WO2013010818A1 WO 2013010818 A1 WO2013010818 A1 WO 2013010818A1 EP 2012063253 W EP2012063253 W EP 2012063253W WO 2013010818 A1 WO2013010818 A1 WO 2013010818A1
Authority
WO
WIPO (PCT)
Prior art keywords
separator
fluid
filter assembly
fluid filter
housing
Prior art date
Application number
PCT/EP2012/063253
Other languages
German (de)
English (en)
Inventor
Wolfgang Heikamp
Carsten Schippers
Original Assignee
Mann+Hummel 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 Mann+Hummel Gmbh filed Critical Mann+Hummel Gmbh
Priority to DE112012003054.0T priority Critical patent/DE112012003054A5/de
Publication of WO2013010818A1 publication Critical patent/WO2013010818A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • B01D46/0045—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding by using vanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B01D46/2414—End caps including additional functions or special forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially

Definitions

  • the present invention relates to a fluid filter assembly, such as for de-oiling compressed air, and a method for filtering a fluid, in particular for de-oiling compressed air.
  • Fluid filters generally serve to separate a fluid from certain substances that are present in the fluid but not desired.
  • fluid filters may e.g. be used for the Entöllung of compressed air.
  • Such fluid filter arrangements are also referred to as air exhaust boxes, which serve for the de-oiling of compressed air, which is generated by oil-injecting compressors.
  • the compressed air generated by these compressors is therefore oil-contaminated and must be removed prior to use, e.g. the feed into a compressed air network, be de-oiled with the aid of air de-oiling elements.
  • Such Beerentölieri with its own pressure-resistant housing are fluid filter assemblies, which are called Heilentölboxen.
  • a de-oiling of the compressed air is achieved by the fact that the air-oil mixture in mist form must flow through a main separator and a downstream secondary separator.
  • the fine oil aerosol is brought together in the main separator to larger droplets, which are finally collected in the Nachabscheider and abdrainiert.
  • EP 2 105 184 A2 illustrates a filter with a filter pot and a filter insert accommodated therein, as well as an end disk arranged on the end side of the filter insert with a pre-separator.
  • a fluid filter arrangement having a particularly pressure-resistant housing, comprising an end disk and a two-stage filter element a main separator and a concentrically arranged Nachabscheider, which are connected in succession in a flow direction solved.
  • a third stage is formed by a pre-separator, which is arranged within the housing between the end plate and the filter element in series with the main separator and the post-separator.
  • the object is also achieved by a method for filtering fluid, in particular for de-oiling compressed air.
  • the fluid is filtered in three stages in a fluid filter arrangement.
  • the fluid flows through one behind the other first a pre-separator, then a main separator and finally a Nachabscheider.
  • the method is carried out using a filter arrangement as described here and below.
  • This third upstream separation stage can reduce pressure loss in the downstream stages.
  • the total pressure loss of the fluid filter assembly can be reduced.
  • the main separator and the Nachabscheider are radially spaced by a gap.
  • a simple structure can be achieved if the main separator and the Nachabscheider are connected via slices.
  • the pre-separator may be arranged in a gap between the end disk, with which the housing is closed, and the filter element.
  • the third stage can be arranged in the inlet region of the filter arrangement, whereby an overall structure is increased only insignificantly.
  • the pre-separator may comprise guiding elements. This can be effected by means of a deflection of the fluid flow, that the substances to be deposited can be separated by inertia alone.
  • each guide element has an inlet section and an outlet section connected thereto.
  • the outlet section can be arranged in a preferred embodiment to the inlet section at a substantially right angle.
  • the pre-separator is preferably designed in the manner of a cyclone separator for performing a cyclone pre-filtering.
  • the pre-separator may be a separate component to be inserted or inserted. It can be made of plastic. Of course, a production of a metallic material is possible. Combinations of different materials are also conceivable.
  • the pre-separator may be formed integrally with the end disk.
  • the fluid filter assembly may be an air exhaust box for de-oiling compressed air.
  • FIG. 1 is a schematic partial cross-sectional view of an embodiment of a
  • Fig. 2 is an enlarged schematic view of the section II of
  • Embodiment of Fig. 1; and Fig. 3 is an enlarged schematic view of section II of the embodiment of Fig. 1 with a further embodiment of a
  • a fluid filter assembly 1 is shown, which is also referred to as Heilentölbox and used for the de-oiling of compressed air.
  • the fluid filter assembly 1 comprises a housing 2, which serves as a receptacle for a filter element 4.
  • the housing 2 has a front side 3 on a side lying in the figure 1, which is closed by an end plate 10. The other, in the figure 1 overhead page is closed.
  • the housing 2 is e.g. circular cylindrical trained. It can e.g. be made of a metallic material, a suitable plastic or a combination thereof. It can also be pressure safe.
  • the filter element 4 is disposed within the housing 2 and here also designed circular cylindrical. Other forms are of course conceivable.
  • the filter element 4 has two concentrically arranged separation stages, of which a main separator 7 is arranged on the outside and a Nachabscheider 8 inside.
  • the main separator 7 is for example an air de-oiling element. It is made of a suitable filter material. Between the main separator 7 and the secondary separator 8, which is likewise constructed, for example, as a de-oiling element, there is a gap 9, through which the main separator 7 and the secondary separator 8 are radially separated from one another.
  • the Nachabscheider 8 also has a suitable filter material.
  • the filter element 4 a support member 6, which is fluid-permeable and designed, for example, in the manner of a grid or a broken or perforated rod.
  • the support member 6 is disposed within the Nachabscheiders 8 and defines an interior of the filter element 4.
  • Plastic material is used as the material of the support body 6, for example.
  • the support body 6 may also consist of a metallic material. Of course, combinations of metal and plastic or other materials are possible.
  • the filter element 4 is closed at its upper end, which faces the closed side of the housing 2, with a disc 21 not designated in detail.
  • a disc 22 is also arranged with a central opening, wherein this opening is surrounded by a collar or neck 5, which faces the end face 3 of the housing 2.
  • These disks 21, 22 are also used to support support body 6, main separator 7 and Nachabscheider 8. By the support of the support body 6, the main separator 7 and Nachabscheider 8 in the discs 21, 22 of the gap 9 is fixed.
  • the filter element 4 On the closed side of the housing 2, the filter element 4 is supported by a spring not described in detail.
  • the neck 5 of the filter element 4 is connected to a nozzle 1 1 of the end plate 10.
  • the neck 5 surrounds the neck 1 1 fluid-tight, wherein this compound is acted upon by the spring axially with a force.
  • This compound can e.g. also be made by means of an adhesive bond.
  • the end plate 10 is connected in a manner not further explained with the housing 2 pressure-resistant.
  • the nozzle 1 1 of the end plate 10 surrounds a fluid outlet 12, which communicates with the interior of the filter element 4.
  • fluid inlet openings 13 are arranged, which communicate with an inlet area 14.
  • the inlet portion 14 is a circumferential space which is disposed between the lower end of the filter element 4, which is provided with the lower disc 22 with the neck 5, and the inner side of the end plate 10.
  • This intermediate space 14 is bounded on its outer edge by the housing 2 and communicates with a cylindrical space which is arranged between the outside of the main separator 7 and the inside of the housing 2.
  • a pre-separator 15 is arranged, which will be described in more detail below.
  • the pre-separator 15, main separator 7 and Nachabscheider 8 are connected in series in the flow direction.
  • FIG. 2 shows an enlarged schematic view of section II of the embodiment according to FIG. 1.
  • the inlet region 14 with the pre-separator 15 is shown enlarged.
  • a flow direction 20 is indicated by an arrow.
  • the pre-separator 15 in the inlet region 14 is schematically indicated in this embodiment by a cross symbol.
  • the pre-separator 15 is flowed through by the fluid, in particular compressed air, and carries out a pre-separation of substances, in particular of oil, from the fluid.
  • the fluid in particular compressed air
  • this third upstream separator stage before the other two separator stages namely the main separator 7 and the Nachabscheider 8 reduces pressure drop in these two further separator stages.
  • a total pressure loss of the fluid filter assembly 1 is also reduced.
  • a service life of the filter element 4 lengthens.
  • the pre-separator 15 may e.g. a separate component, which can be inserted into the inlet region 14 between the inside of the end plate 10 and the underside of the filter element 4.
  • This separate component can also be attached, for example, to the underside of the filter element 4 or / and the inside of the end plate 10, e.g. by inserting into a dedicated receptacle. An attachment may also be possible, e.g. by clipping.
  • the pre-separator 15 is integrally formed with the end plate 10. It is also conceivable that the pre-separator 15 is attached to the underside of the filter element 4, e.g. integral with the lower plate 22 is formed.
  • the pre-separator 15 directs the fluid flowing through the inlet openings 13 by deflecting at certain sections, for example initially radially outward and then axially upwards into the space between the main separator 7 and the housing 2.
  • a swirling is also possible.
  • the pre-separator 15 may have a type of vane shape, which initially directs the inflowing fluid radially outwards, then into Circumferential direction and then deflects in the axial direction of the housing 2. In this case, an acceleration of the fluid can take place. This causes a separation of entrained in the fluid substances, such as oil in compressed air, for example, by gravity and inertia.
  • the shape of the separator blades 15 may be configured for cyclone filtering.
  • FIG. 3 shows the enlarged schematic view of section II of the embodiment according to FIG. 1 with a further exemplary embodiment of the pre-separator 15.
  • These baffles 16 are located on the periphery of the inlet area 14, e.g. arranged distributed on the inside of the end plate 10.
  • the guide elements 16 of the pre-separator 15 are formed as guide vanes.
  • Each guide element 16 has an inlet section 17, a connecting section 18 and an outlet section 19.
  • the inlet section 17 is substantially parallel to a radial direction.
  • the outlet section 19 is bent or angled away from this radial direction toward the interior of the housing 2. For example, it may be at an angle in the range of e.g. 90 ° ⁇ 15 ... 45 ° to the inlet portion 17 may be arranged.
  • the outlet section 18 may also have several different angles in a row. Entry portion 17 and exit portion 19 are connected by a connecting portion 18, which may be formed angular or rounded. Twists of these vanes 16 are of course possible.
  • the pre-separator 15 may be formed of a plastic. It is also conceivable that it can be made of metal. Of course, combinations of materials are also possible.
  • the fluid filter assembly 1 allows filtering of fluid, in particular a de-oiling of compressed air, wherein first the fluid to be cleaned through the fluid inlet openings 13 of the end plate 10 of the housing 2 in the inlet region 14 between the lower disc 22 of the filter element 4 and the inside of the end plate 10 flows , First, the fluid to be cleaned flows radially, as indicated by an arrow in the flow direction 20 in FIGS. 2 and 3, through the intermediate space 14 into the preseparator 15, in particular in the guide elements 16 of the pre-separator. In this case, a pre-separation of substances by inertia occurs when the fluid is deflected by the pre-separator 15.
  • a deflection of the fluid flow then takes place directly from the radial in the axial direction and / or from the radial in a spriral-shaped direction around the central axis of the housing 2 around. Thereafter, the fluid flows through the downstream main separator 7, the intermediate space 9, through the Nachabscheider 8 in the interior of the support body 6, from which it exits through the fluid outlet 12 again.
  • the fluid filter assembly 1 and the implementation of a method for filtering fluid, in particular a de-oiling of compressed air, allows.
  • the fluid is de-oiled in three stages, wherein the fluid first flows through the pre-separator 15, then the main separator 7 and finally the Nachabscheider 8.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un ensemble filtre (1) pour fluide comprenant un boîtier (2) entourant une plaque frontale (10) et un élément filtre (4) comprenant un séparateur principal (7) et un séparateur arrière (8) disposé de manière concentrique par rapport audit séparateur central, lesquels, vus dans la direction de l'écoulement, sont connectés l'un après l'autre. Un pré-séparateur (15), vu dans la direction de l'écoulement, est connecté en série en amont du séparateur principal (7). Dans un procédé, en particulier pour retirer l'huile d'air sous pression, le fluide est filtré en trois étapes dans un ensemble filtre (1) pour fluide. Le fluide traverse l'un après l'autre d'abord un pré-séparateur (15), ensuite un séparateur principal (7) et enfin un séparateur arrière (8).
PCT/EP2012/063253 2011-07-21 2012-07-06 Ensemble filtre pour fluide et procédé de filtration WO2013010818A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112012003054.0T DE112012003054A5 (de) 2011-07-21 2012-07-06 Fluidfilteranordnung und Filterverfahren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011108061.2 2011-07-21
DE102011108061A DE102011108061A1 (de) 2011-07-21 2011-07-21 Fluidfilteranordnung und Filterverfahren

Publications (1)

Publication Number Publication Date
WO2013010818A1 true WO2013010818A1 (fr) 2013-01-24

Family

ID=46551506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/063253 WO2013010818A1 (fr) 2011-07-21 2012-07-06 Ensemble filtre pour fluide et procédé de filtration

Country Status (2)

Country Link
DE (2) DE102011108061A1 (fr)
WO (1) WO2013010818A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200038795A1 (en) * 2016-12-01 2020-02-06 Donaldson Company, Inc. Filter elements, air cleaner assemblies, and methods of use and assembly
CN111420487A (zh) * 2018-12-21 2020-07-17 英格索兰工业美国公司 过滤系统和可更换的滤筒

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016003454A1 (de) 2015-04-10 2016-10-13 Mann + Hummel Gmbh Filteraufnahme und Filteranordnung
CN110831688B (zh) 2017-07-13 2022-04-29 曼·胡默尔有限公司 分离装置和包括这种分离装置的油分离空气过滤器组件以及用于从源自连接装置的气流中分离流体的方法
EP3651874B1 (fr) 2017-07-13 2022-09-28 MANN+HUMMEL GmbH Dispositif de séparation et ensemble filtre à air de séparation d'huile comprenant un tel dispositif de séparation ainsi que procédé de séparation de fluide d'un flux de gaz issu d'un dispositif de raccordement
DE102017007018B4 (de) * 2017-07-27 2019-06-19 Mann+Hummel Gmbh Filteraufnahme und Filteranordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1395253A (fr) * 1963-05-14 1965-04-09 Deltech Engineering élément filtrant et procédé de filtration pour séparer un liquide d'un autre fluide
US20050092179A1 (en) * 2003-10-31 2005-05-05 Flair Corporation Coalescing type filter apparatus and method
DE202008004288U1 (de) * 2008-03-27 2009-08-06 Mann+Hummel Gmbh Filter
EP2221097A1 (fr) * 2009-02-20 2010-08-25 Mahle International GmbH Dispositif de filtre destiné à l'adsorption d'hydrocarbures

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
US5851269A (en) * 1997-05-02 1998-12-22 Baldwin Filters, Inc. Air desiccant canister for an air brake system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1395253A (fr) * 1963-05-14 1965-04-09 Deltech Engineering élément filtrant et procédé de filtration pour séparer un liquide d'un autre fluide
US20050092179A1 (en) * 2003-10-31 2005-05-05 Flair Corporation Coalescing type filter apparatus and method
DE202008004288U1 (de) * 2008-03-27 2009-08-06 Mann+Hummel Gmbh Filter
EP2105184A2 (fr) 2008-03-27 2009-09-30 Mann+Hummel Gmbh Filtre
EP2221097A1 (fr) * 2009-02-20 2010-08-25 Mahle International GmbH Dispositif de filtre destiné à l'adsorption d'hydrocarbures

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200038795A1 (en) * 2016-12-01 2020-02-06 Donaldson Company, Inc. Filter elements, air cleaner assemblies, and methods of use and assembly
EP3548160B1 (fr) 2016-12-01 2021-10-06 Donaldson Company, Inc. Éléments filtrants, ensembles de filtres à air et procédés d'utilisation et d'assemblage
US11554338B2 (en) 2016-12-01 2023-01-17 Donaldson Company, Inc. Filter elements, air cleaner assemblies, and methods of use and assembly
CN111420487A (zh) * 2018-12-21 2020-07-17 英格索兰工业美国公司 过滤系统和可更换的滤筒
EP3669967A3 (fr) * 2018-12-21 2020-08-26 Ingersoll-Rand Company Système de filtre et cartouche de filtre remplaçable
US11331610B2 (en) 2018-12-21 2022-05-17 Ingersoll-Rand Industrial U.S., Inc. Filter system and replaceable filter cartridge
CN114797325A (zh) * 2018-12-21 2022-07-29 英格索兰工业美国公司 过滤系统和可更换的滤筒
US11865481B2 (en) 2018-12-21 2024-01-09 Ingersoll-Rand Industrial U.S., Inc. Filter system and replaceable filter cartridge

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Publication number Publication date
DE112012003054A5 (de) 2014-04-17
DE102011108061A1 (de) 2013-01-24

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