WO2022122179A1 - Élément filtrant pour un flux d'un gaz sous haute pression - Google Patents

Élément filtrant pour un flux d'un gaz sous haute pression Download PDF

Info

Publication number
WO2022122179A1
WO2022122179A1 PCT/EP2021/025441 EP2021025441W WO2022122179A1 WO 2022122179 A1 WO2022122179 A1 WO 2022122179A1 EP 2021025441 W EP2021025441 W EP 2021025441W WO 2022122179 A1 WO2022122179 A1 WO 2022122179A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
electrodes
filter device
gas
bar
Prior art date
Application number
PCT/EP2021/025441
Other languages
German (de)
English (en)
Inventor
Sascha Dorner
Daniel Fahrner
Karl Jojo VIDIC
Jan WYSS
Original Assignee
Linde 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 Linde Gmbh filed Critical Linde Gmbh
Publication of WO2022122179A1 publication Critical patent/WO2022122179A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
    • B03C3/155—Filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/06—Plant or installations having external electricity supply dry type characterised by presence of stationary tube electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/49—Collecting-electrodes tubular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/86—Electrode-carrying means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/30—Details of magnetic or electrostatic separation for use in or with vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/32—Checking the quality of the result or the well-functioning of the device

Definitions

  • the invention relates to a filter device for a stream of gas under high pressure, as well as a method and a use.
  • filter elements can be used to filter out solid particles and liquids. However, these are not able to clean the gas and at the same time carry out in situ measurements in order to qualitatively and/or quantitatively determine potential liquid contamination, in particular by ionic liquids or oils, of the incoming gas flow.
  • the filter device for a flow of a high-pressure gas has at least one inlet opening and at least one outlet opening which are fluidly connected to one another, there being provided a filter element which is arranged such that the gas flows through the filter element when it comes from the inlet opening flows to the outlet opening; wherein the filter element comprises two gas-permeable and liquid-permeable flat electrodes and an electrically non-conductive flat filter fleece, the electrodes being arranged at a distance parallel to one another and the filter fleece being arranged between the electrodes; wherein the electrodes and the filter fleece are cast into at least one electrically non-conductive support element at respective edges, wherein electrically conductive connections are provided on the electrodes.
  • the filter device filters impurities, in particular liquids, from a gas flowing through the filter fleece, the impurities being separated or absorbed in the filter fleece.
  • impurities separated in the filter fleece lead to a change in the electrical properties (conductivity, permittivity) of the filter fleece.
  • the detection of these changes is made possible by the electrodes provided on the filter device and the connections connected thereto. This detection can be done by applying a voltage between the electrodes.
  • the filter fleece together with the impurities deposited therein forms a dielectric for the capacitor formed by the electrodes, so that the capacitance changes with increasing impurity.
  • a composite filter element By embedding or casting the filter fleece and the electrodes at the edges in support elements, a composite filter element is formed that has the mechanical stability required for high-pressure applications.
  • a gas is considered to be under high pressure if it has a pressure of at least 100 bar, preferably at least 300 bar, more preferably at least 500 bar, most preferably at least 800 bar. Irrespective of this, an upper limit is preferably around 1200 bar, more preferably around 1000 bar.
  • the filter device is appropriately adapted to process or filter a gas stream that is under one of the specified pressures.
  • the gas may have a temperature ranging between -50°C and 80°C.
  • the gas to be filtered is preferably hydrogen gas, the pressure of which is in one of the aforementioned ranges and/or the temperature of which is in the aforementioned range. That is, the filter device is resistant to hydrogen embrittlement at these pressures and/or temperatures and has a high resistance to wear.
  • the term “area” is to be understood in such a way that the respective element (electrodes or filter fleece or filter element) extends essentially along a surface, with a thickness of the element orthogonal to the surface being small compared to the extent of the surface; e.g., the thickness is at most 1/10 of a maximum dimension of the face, measured along the face.
  • substantially is intended to refer to that thickness.
  • the surface along which the respective element extends can, in principle, be of any shape and curvature (cf. Figure 1, in which elements in the shape of a cylinder jacket occur) does not have to be flat, i.e. "flat” does not mean “flat". " to understand.
  • the edges are corresponding edges of the surface and extend in the thickness direction.
  • the filter fleece consists of a (non-conductive) open-pored fabric material, which preferably includes glass fibers, preferably with increased surface roughness.
  • the filter fleece is gas-permeable and able to filter impurities, in particular liquids, from a gas flowing through.
  • the thickness of the filter fleece is preferably matched to the distance between the electrodes, ie equal to this distance, so that the filter fleece is supported by the electrodes.
  • the electrodes are preferably designed as electrically conductive wires, an electrically conductive wire mesh or a perforated metal sheet.
  • the electrodes are also preferably made of a metal.
  • the at least one support member is made of a material that includes a polymeric resin; more preferably the material is a polymeric resin. Polymer resins are useful because they are easy to process and, when cured, ensure a stable connection between the electrodes and the filter fleece.
  • connections to the electrodes are preferably brought out through the at least one support element. This is advantageous because the connections and any further cables connected thereto are protected in this way and, in particular, are not located in the gas flow, ie cannot impede it and cannot be swept along by it.
  • the filter fleece is preferably able (i.e. is designed accordingly) to absorb ionic liquids, oils, in particular mineral oils, and/or hydrocarbon compounds in liquid form.
  • the temperature at which the hydrocarbon compound and the oils are liquid corresponds here to the temperature of the gas to be filtered.
  • a temperature at which the hydrocarbon compound and oils are liquid may range between -50°C and 80°C.
  • An example of ionic liquids are imidazolium derivatives dissolved in a quaternary ammonium compound.
  • the detectability of oils is particularly improved when they are contaminated with electrically conductive substances.
  • the non-woven filter fabric preferably comprises glass fibers, with the proportion by weight of the glass fibers in the non-woven filter fabric preferably being at least 50 percent by weight, more preferably at least 75 percent by weight.
  • Glass fibers are advantageous because they are suitable for high-pressure applications. In particular, they have high stability/strength, so that no fibers are entrained at high mass flows.
  • the filter device preferably comprises one or more metallic housing elements; wherein the filter element is attached to the one or more housing elements by means of the at least one support element; wherein preferably the at least one support element in the one or more Housing elements is cast.
  • the stability can be further increased by metallic housing elements.
  • No other filter is preferably arranged between the inlet opening and the filter element.
  • Another filter (apart from the filter element or filter fleece) between the inlet opening and the filter element is disadvantageous because it filters out impurities from the gas, which are then not separated in the filter fleece between the electrodes, so that the electrical properties of the filter element do not change or change to a lesser extent . As a result, contamination of the supplied gas cannot be detected or can be detected later.
  • the electrodes and the filter fleece each have the shape of a cylinder jacket or of cylinder jacket sections; wherein preferably two support elements are provided, wherein one support element has the shape of a disk, in particular a circular disk, and the other support element has the shape of a ring, in particular a circular ring; with further preference, optionally, a housing base and a housing cover being provided as housing elements, with the housing base having the shape of a disk, in particular a circular disk, and the housing cover having the shape of a ring, in particular a circular ring, with the inlet opening passing through the opening of the Ring is formed, and wherein projections are provided on the outer edges of the housing base and the housing cover, which extend perpendicularly to the disc shape and the ring shape.
  • This design enables a compact design that can be easily integrated into existing systems, which at the same time offers a large filter area.
  • the filter device preferably comprises a current sensor and/or a capacitance sensor which is connected to the connections to the electrodes and is set up to measure a current and/or a capacitance between the electrodes.
  • the method according to the invention for filtering a gas under high pressure comprises passing the gas through a filter device according to the invention; measuring a current and/or a capacitance between the electrodes of the filter device.
  • an alternating voltage is preferably applied between the electrodes or to the electrodes when measuring the current and/or the capacitance.
  • the method preferably includes comparing the measured current and/or the measured capacitance with a predetermined current limit value or a predetermined capacitance limit value; interrupting the conduction of the gas through the filter device if the comparison establishes that the current limit value or the capacity limit value is exceeded.
  • the gas is a hydrogen gas at a pressure of at least 100 bar; preferably the pressure is in a range from 300 bar to 1200 bar, more preferably in a range from 500 bar to 1100 bar, most preferably in a range from 800 to 1000 bar.
  • the hydrogen gas is preferably passed through the filter device with a mass flow such that the mass flow in relation to an area of the filter element of the filter device is in the range from 0.01 g/s/cm 2 to 3 g/s/cm 2 , more preferably in the range of 0.02 g/s/cm 2 to 2 g/s/cm 2 .
  • high mass flows of more than 0.5 g/s/cm 2 are provided for in the process.
  • a filter device is used for filtering a hydrogen gas which has a pressure of at least 100 bar; wherein the pressure is preferably in a range from 300 bar to 1200 bar, more preferably in a range from 500 bar to 1100 bar, most preferably in a range from 800 to 1000 bar, and/or wherein the hydrogen gas is preferably mixed with a Mass flow is passed through the filter device, so that the mass flow in relation to an area of the filter element of the filter device in the range of 0.01 g / s / cm 2 to 3 g / s / cm 2 , more preferably in the range of 0.02 g /s/cm 2 to 2 g/s/cm 2 .
  • use for high mass flows of over 0.5 g/s/cm 2 is intended.
  • Fig. 1 is a sectional view of a high pressure gas filter apparatus according to a preferred embodiment of the invention.
  • FIG. 2 shows a flow chart of a preferred method according to the invention.
  • FIG. 1 shows a sectional view of a filter device 1 for a gas under high pressure according to a preferred embodiment of the invention.
  • the filter device comprises a filter element 8, which has the shape of a cylinder jacket.
  • the filter element 8 is formed by two electrodes 10, 12 and a filter fleece 14, each of which has the shape of a (circular) cylinder jacket, with the corresponding axes of symmetry coinciding.
  • the two electrodes 10, 12 are arranged at a distance from one another, with the filter fleece 14 being arranged between the electrodes.
  • the thickness of the filter fleece is preferably matched to the distance between the electrodes, ie equal to this distance, so that the filter fleece is supported laterally (in the embodiment shown in the radial direction) by the electrodes.
  • the filter fleece consists of a (non-conductive) open-pored fabric material, which preferably includes glass fibers.
  • the filter fleece is gas-permeable and able to filter impurities, in particular liquids, from a gas flowing through.
  • the electrodes 10, 12 can be formed, for example, by electrically conductive wires 16, 18, which run approximately spirally or form a wire grid or wire mesh with wires (not shown) running at least partially parallel to the axis of symmetry.
  • the wires, in particular of the wire grid or wire mesh, are spaced apart from one another, passages being formed in the radial direction, so that the electrodes are permeable to gas and liquid. It is also possible to use perforated sheets as electrodes use, ie electrically conductive sheets that are provided with out reaching large and many holes.
  • the electrodes and the filter fleece are embedded or cast in support elements 20, 22.
  • the edges are circular or annular due to the cylindrical shape of the electrodes and filter fleece.
  • Upper edges 24 are cast into an upper support element 20 and lower edges 26 into a lower support element 22 .
  • the terms 'top'/'bottom' refer to the figure; the actual orientation of the filter device can of course be arbitrary.
  • the support members are made of an electrically non-conductive material, preferably a polymeric resin. There is therefore no electrically conductive connection between the electrodes.
  • the support elements 20, 22 are also cast or embedded in housing elements 28, 30, namely a housing cover 28 and a housing base 30, with the upper support element 20 being cast in the housing cover 28 and the lower support element 22 in the housing base 30.
  • the housing elements are preferably made of metal in order to ensure high stability.
  • the upper support element 20 has the shape of a circular ring or a circular disc with a central opening.
  • the lower support element 22 has the shape of a circular disc.
  • the shape of the housing elements here corresponds to the shape of the support elements, i.e. the housing cover 28 has the shape of a circular ring or a circular disk with a central opening which is aligned with the opening of the upper support element, and the housing base 30 has the shape of a circular disk.
  • the axes of symmetry of the support elements and of the housing elements coincide and also coincide with the axis of symmetry of the filter device or the cylindrical jacket shape of the filter element.
  • projections 29, 31 are additionally provided, which extend in the axial direction (i.e. parallel to the axis of symmetry) and enclose the supporting elements 20, 22 at their edges.
  • housing elements can also be provided (not shown), in particular housing elements which connect the housing cover and the housing base to one another, for example struts running in the longitudinal direction.
  • a high-pressure-resistant outer housing can be provided (not shown), into which the filter device of the figure is inserted and in which the supply and discharge passages are provided, which are connected on the one hand to the inlet and outlet ports respectively.
  • Outlet opening are fluidically connected and on the other hand with (pipe) connections to further gas lines through which the gas to be filtered is supplied and discharged, are connected.
  • An outside diameter D of the filter element 8 is preferably in the range from 2 cm to 10 cm, in particular in the range from 2 cm to 5 cm.
  • An overall length of the filter device 1 is preferably in the range from 4 cm to 20 cm, in particular in the range from 5 cm to 10 cm.
  • the length of the filter element is about 1 cm to 2 cm shorter than the overall length.
  • connections 32 to the electrodes 10, 12 are provided, which are routed through the lower support element and the housing base in an electrically insulated manner. Insulation is to be provided here, in particular when leading through the metallic housing base, since the support elements are already made of a non-conductive material.
  • the electrodes can be electrically be connected or be connected in a conductive manner to a preferably provided current and/or capacitance sensor 34 or current and/or capacitance measuring device.
  • An electrical voltage preferably an alternating voltage, can be applied to the electrodes 10, 12 via the connections 32.
  • the filter fleece 14 is non-conductive, i.e. an insulator, and (together with any gas flowing through the filter fleece) forms a dielectric between the two electrodes 10, 12.
  • gaseous hydrogen is an electrical insulator, the currents I and capacitances C measured between the electrodes approach zero.
  • the porous filter mat is flooded with the two-phase mixture, with the liquid phase (contaminant) being separated in the porous channels of the fabric.
  • the measured values for current I and capacitance C also change, in particular the (relative) dielectric constant or permittivity of the dielectric increases with increasing contamination. If one of the two or both measured values exceeds a measured value threshold (current limit value and/or capacity limit value) adapted to the system requirement, an electrical signal can be forwarded to a system control and the supply of gas can be interrupted. Ultimately, this leads, for example, to a compressor system being switched off in order to prevent further liquid contamination of the system components downstream of the filter element.
  • a measured value threshold current limit value and/or capacity limit value
  • FIG. 2 illustrates the flow of a preferred method of filtering a high pressure gas in accordance with the present invention using a filter apparatus such as that shown in FIG. 1 in accordance with the present invention.
  • gas is conducted through the filter device or the conduction of gas through the filter device is started, ie the gas is conducted into the inlet opening and discharged from the outlet opening.
  • a voltage in particular an alternating voltage, is applied to the electrodes or the terminals connected to them. This can be done before or at the same time as the gas is fed in.
  • a current between the electrodes is measured or determined, i.e. the amperage of the current is measured.
  • the capacitance between the electrodes can also be determined from the current together with the applied voltage (taking into account the relative phase); the capacity is also measured.
  • step 58 the measured current (more precisely its current intensity) is compared with a current limit value (more precisely current intensity limit value).
  • a current limit value more precisely current intensity limit value
  • the measured capacity can also be compared with a capacity limit value.
  • step 60 the supply of gas is interrupted in step 60 (e.g. by appropriately controlling the supplying parts of the system).

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un dispositif de filtration (1) pour un flux d'un gaz sous haute pression, qui présente au moins une ouverture d'entrée (2) et au moins une ouverture de sortie (4), qui sont en communication fluidique l'une avec l'autre, un élément filtrant (8) étant prévu, lequel est agencé de telle sorte que le gaz s'écoule à travers l'élément filtrant lorsqu'il existe un flux de gaz allant de l'ouverture d'entrée à l'ouverture de sortie; l'élément filtrant comprenant deux électrodes planes perméables aux gaz et perméables aux fluides (10, 12) et un matériau non-tissé filtrant plan électriquement non conducteur (14), les électrodes étant disposées en s'étendant parallèlement l'une à l'autre et à une distance l'une de l'autre, et le matériau non-tissé filtrant étant disposé entre les électrodes; les électrodes et le matériau non-tissé filtrant étant coulés au niveau de bords respectifs (24, 26) dans au moins un élément de support électriquement non conducteur (20, 22), des bornes électriquement conductrices (32) étant disposées sur les électrodes. L'invention se rapporte en outre à un procédé correspondant et à une utilisation.
PCT/EP2021/025441 2020-12-12 2021-11-16 Élément filtrant pour un flux d'un gaz sous haute pression WO2022122179A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020007623.8A DE102020007623A1 (de) 2020-12-12 2020-12-12 Filterelement für einen Strom eines unter hohem Druck stehenden Gases
DE102020007623.8 2020-12-12

Publications (1)

Publication Number Publication Date
WO2022122179A1 true WO2022122179A1 (fr) 2022-06-16

Family

ID=78789946

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/025441 WO2022122179A1 (fr) 2020-12-12 2021-11-16 Élément filtrant pour un flux d'un gaz sous haute pression

Country Status (2)

Country Link
DE (1) DE102020007623A1 (fr)
WO (1) WO2022122179A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120474A (en) * 1976-04-01 1977-10-08 Motozu Entaapuraizu Kk Heat and corrosion resisting electrostatic induction dust collector
JPH0716411A (ja) * 1993-06-30 1995-01-20 Kureha Chem Ind Co Ltd 複合フィルタ
US20080073288A1 (en) * 2006-04-21 2008-03-27 Qinbai Fan Multifunctional filtration and water purification systems
US20160175850A1 (en) * 2014-12-23 2016-06-23 Honeywell International Inc. Electric field enhanced small particle filter
EP3488933A1 (fr) * 2017-11-27 2019-05-29 Cwik Pro-Vent Systemy Wentylacyjne Krzysztof Filtre a air electrostatique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52120474A (en) * 1976-04-01 1977-10-08 Motozu Entaapuraizu Kk Heat and corrosion resisting electrostatic induction dust collector
JPH0716411A (ja) * 1993-06-30 1995-01-20 Kureha Chem Ind Co Ltd 複合フィルタ
US20080073288A1 (en) * 2006-04-21 2008-03-27 Qinbai Fan Multifunctional filtration and water purification systems
US20160175850A1 (en) * 2014-12-23 2016-06-23 Honeywell International Inc. Electric field enhanced small particle filter
EP3488933A1 (fr) * 2017-11-27 2019-05-29 Cwik Pro-Vent Systemy Wentylacyjne Krzysztof Filtre a air electrostatique

Also Published As

Publication number Publication date
DE102020007623A1 (de) 2022-06-15

Similar Documents

Publication Publication Date Title
EP3174613B2 (fr) Élément de séparation d'eau muni d'électrodes de détection d'eau
DE112005000518B4 (de) Chromatographiesäule mit Fritte für die Hochdruckflüssigkeitschromatographie, Herstellungsverfahren und Kit
EP1849672A2 (fr) Cartouche, installation de traitement d'air comprimé et procédé de fonctionnement d'une installation de traitement d'air comprimé
DE1134785B (de) Filter- und Coaleszer-Vorrichtung fuer fluessige Kohlenwasserstoffe
EP1708799B1 (fr) Element filtre
EP3180131B1 (fr) Dispositif pour le traitement de mélanges de fluides
EP3772369A1 (fr) Méthode et dispositif pour mesurer l'état de charge pendant l'adsorption
DE112016004257T5 (de) Gassensor
EP2890473B1 (fr) Dispositif de séparation destiné à extraire des impuretés contenues dans des gaz
DE112016004523T5 (de) Systeme und Verfahren zur Integration eines Druckdifferentsensors
WO2022122179A1 (fr) Élément filtrant pour un flux d'un gaz sous haute pression
DE10305110B3 (de) Verfahren zur Feststellung wenigstens eines Zustandsparameters eines Dichtungssystems sowie Dichtungssystem
DE19905117A1 (de) Endstück für monolithische Chromatographiesäulen
EP3350568B1 (fr) Capteur et procédé pour fabriquer un capteur
DE10101828B4 (de) Partikelfilter
WO2006117033A1 (fr) Capteur capacitif pour saisir un niveau d'huile avec electrode de protection et chauffage
DE102009020311B4 (de) Vorrichtung zur Bestimmung der elektrischen Ladung eines strömenden Fluids
EP2828638A1 (fr) Dispositif de vérification pour la détermination de la charge en particules d'hydrogène sous haute pression
DE102018002914A1 (de) Filterelement, Verfahren zum Herstellen einer Endscheibe und Verfahren zum Filtern eines Fluids
EP3646000A1 (fr) Dispositif de test pour déterminer la charge en particules d'hydrogène sous haute pression
AT16693U1 (de) Filterpatrone für einen Verdichter oder eine Vakuumpumpe
DE102015008453B4 (de) Elektrisch detektierbares Filterelement mit Siebträger und Filter
EP3881053A1 (fr) Capteur de particules présentant un flux de gaz de mesure propulsé par des ions
WO2007110135A2 (fr) Dispositif et procede de separation d'un melange biphasique
DE112016006339T5 (de) Feinpartikelerfassungssystem

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21815107

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21815107

Country of ref document: EP

Kind code of ref document: A1