WO2013143595A1 - Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz - Google Patents

Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz Download PDF

Info

Publication number
WO2013143595A1
WO2013143595A1 PCT/EP2012/055626 EP2012055626W WO2013143595A1 WO 2013143595 A1 WO2013143595 A1 WO 2013143595A1 EP 2012055626 W EP2012055626 W EP 2012055626W WO 2013143595 A1 WO2013143595 A1 WO 2013143595A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
area
filter
region
opening
Prior art date
Application number
PCT/EP2012/055626
Other languages
German (de)
English (en)
Inventor
Michael BLOHMANN
Herbert Leibold
Norbert Schindler
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2012/055626 priority Critical patent/WO2013143595A1/fr
Publication of WO2013143595A1 publication Critical patent/WO2013143595A1/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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • 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
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • 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
    • B01D46/90—Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan

Definitions

  • the present gas filter device and the method according to the invention for operating the gas filter device enable inter alia the reversal of the flow direction of a gaseous medium in the raw gas suction region and in the clean gas ejection region with at least partial cleaning of the filter devices present in said regions.
  • Filter devices for reducing the amount of substantially solid particles in a raw gas (supply air) and here in particular filter devices for fine particles have be ⁇ be known, the disadvantage that their filter devices clogged in polluted environment quickly, ie that at the raw gas side facing ( Suction side) of the filter devices quickly deposits such an amount of dust in the form of a filter cake, that an energy-efficient and safe ⁇ further operation of the filter device is no longer possible.
  • the filter devices must therefore be relatively frequently either replaced or cleaned.
  • added filter devices can be cleaned either by (off) shaking or purging.
  • the cleaning of dust-laden filter devices for example, by a more or less short-term ⁇ reverse flow of the gas at the surface of the filter Facility. The particles or the dust are removed from the filter device.
  • the fallen particles or the fallen dust (filter cake ⁇ ) are / is removed, for example by means of a lock or a suction device.
  • a lock or a suction device for example, the largest possible portion of the filter cake ⁇ is removed from the intake area of the filter device must be ensured. Failing that, the remaining Parti ⁇ angle of the filter cake store again quickly into the filter device to which the desired effect of the cleaning process schrete ⁇ lert.
  • a gas filter device for reduced copy ⁇ tion of the amount of substantially solid particles comprising:
  • a gas discharge device through which the clean gas can be passed into a second clean gas area
  • a first closable opening is provided, through the opening or closing of which a fluid connection can be opened or closed from the first clean gas area to the gas transporting facility, and
  • a second closable opening is provided, through the opening or closing of which a fluid connection can be opened or closed from the first clean gas area to the gas discharge facility, and
  • a third closable opening is provided, through the opening or closing of which a fluid connection can be opened or closed from the second clean gas area to the gas transporting facility, and
  • a fourth closable opening is provided, through the opening or closing of which a fluid connection can be opened or closed from the second clean gas area to the gas discharge facility,
  • the flow ⁇ direction of the gas to be cleaned in the area of the portion labeled "Rohgasansaug Colour” and the portion designated by "Reingasaus ⁇ impact area” of the gas filtering device according to the invention can be determined in a simple manner.
  • the suction side is located either in the region of the "raw gas intake region” or in the region of the "clean gas discharge region” of the device according to the invention. At least in the region of the respective suction side of a Fil ⁇ ter founded to reduce the amount of substantially solid particles in the crude gas is arranged.
  • the gas filter device according to the invention is constructed in mirror symmetry in essential parts.
  • the designation of the elements referred to herein as “raw gas suction region” and “pure gas discharge region”, which are referred to as “first clean gas region” and “second pure gas region”, etc., can be exchanged.
  • one of the two filter devices When switching the flow direction, one of the two filter devices is operated in a first operating mode on the suction side and in a second operating mode on the discharge side (discharge side). In the other filter device, of course, it behaves exactly the opposite
  • the filter devices on the suction side are the most polluted in terms of contamination.
  • the contamination is distributed over two filter devices, which increases the service life of the gas filter device according to the invention to a required change in the filter elements present in the filter devices compared to a device operated in one direction only.
  • the filter means comprise a filter element for reducing the amount of particles having a diameter of greater than 10 ⁇ (coarse dust filter) and / or a filter element for reducing the amount of particles having a diameter of 1 to 10 ⁇ (fine dust filter) on. This makes it possible to filter out coarse dust particles and / or fine dust particles from the raw gas.
  • both a filter element for reducing the amount of particles having a diameter greater than 10 ⁇ and a filter element for reducing the amount of particles having a diameter of 1 to 10 ⁇ is present according to a further advantageous embodiment of the invention, the filter element Reducing the amount of particles with a diameter of 1 to 10 ⁇ closer to the first clean gas arranged as the filter element for Ver ⁇ reduction of the amount of particles with a diameter of greater than 10 ⁇ .
  • This has the advantage that the filter element for fine particles (with a diameter of 1 to 10 ⁇ ) is not unnecessarily burdened by particles with a diameter of greater than 10 ⁇ .
  • a gas can advantageously be provided in the region of the gas discharge device
  • Fifth closable opening may be provided by the opening or closing a fluid connection between the gas discharge device and the gas transport device can be opened and closed.
  • the method according to the invention for operating a gas filter device according to the invention comprises the steps
  • the inventive method has the advantage that by simply opening and closing provided in the gas filter device closable openings, the flow direction of the gas in the region of the Rohgasansaug Colours and the clean gas ejection area switched during operation who ⁇ can and the respective exhaust-side filter device undergoes a cleaning, whereas the before exhaust side and so seamlessly ⁇ takes over the filter function with optionally purified, now suction filter inlet ⁇ direction.
  • the pollution is distributed to two filter devices, whereby the
  • the detection of contamination of the suction side arranged filter device can be done for example by measuring a pressure drop behind the suction side filter device.
  • the particles that are removed from an exhaust side filter device can be removed in the usual manner from the loading area of the respective exhaust ⁇ range, wherein ⁇ example by a lock or a suction device. In this way, it can be ensured that after switching over the flow direction through the now suction-side filter device, the previously removed particles are not sucked in again.
  • the structure of the gas filter device according to the invention allows during a downtime readily usual Rei ⁇ n Trents vide for the device and the existing (s) filter device (s).
  • FIG. 1 shows a sectional view of an example of a gas filter device according to the invention with "supply air operation from the left";
  • FIG. 2 shows a sectional view of the example of a gas filter device according to the invention with "supply air operation from the right";
  • 1 and 2 show a sectional view of an embodiment ⁇ example of the gas filter device 1 according to the invention with a Rohgasansaug Colour 2, a arranged in the Rohgasansaug Colour 2 first filter device with a first
  • first clean gas 5 are a first closable opening 13 and a second closable opening 14.
  • first closable opening 13 By opening and closing the first closable opening 13, the fluid connection of the first clean gas area 5 to the gas transport device 6 can be opened and closed.
  • second closable opening 14 By opening and closing the second closable opening 14, a fluid communication between the first clean gas area 5 and the gas discharge means 8 can be opened and closed.
  • purified gas can be passed into a gas supply device 7.
  • any suitable means can be arranged, such as a to-cooling machine or to cow ⁇ lendes device, / can be environmentally that purified from the gas and / or flow through.
  • the second clean gas area 9 has a third closable opening 15 and a fourth closable opening 16.
  • a fluid connection of the second clean gas region 9 can be opened to the gas ⁇ transport device 6 and closed by opening and closing the third opening closable 15th And by opening and closing the fourth closable opening 16, a fluid connection between the second clean gas area 9 and the gas discharge device 8 can be opened and closed.
  • a second filter device with a second coarse dust filter 11 and a second fine dust filter 11 is provided. Dust filter 12 is present, wherein the second fine dust filter 12 is arranged closer to the second clean gas region 9, as the second coarse dust filter 11th
  • a fifth closable opening 17 is present, can be opened and closed by the opening and closing a fluid connection between the gas discharge device 8 and gas transport device 6.
  • the gas filter device 1 according to the invention is constructed in mirror-symmetrical manner in essential parts.
  • the naming of the elements, which are referred to herein as Rohgasansaug Colour 2 and as clean ⁇ gas ejection region 10, which are referred to as the first and second clean gas region 5, 9, etc. are exchanged.
  • the inventive Gasfil ⁇ tervoroplasty 1 "change mode" is beispielswei ⁇ se, the part is referred to in the present description as "Reingasansaug Scheme" 2, wherein a first operating mode in fact the "Reingasansaug Scheme" 2, acts in a second Operating mode (switching the flow direction of the gas) but as a "clean gas discharge area" 10.
  • FIG 1 the state of closeable openings shown one to four 13-16, as it should be set at a "supply air from the left.”
  • fresh air is generalizations ⁇ teilnd in the present description of exemplary embodiments of any gaseous medium to understand from the can be filtered out by the gas filter device 1 according to the invention substantially solid particles. This can of course be other gaseous media than air.
  • the contaminated air is sucked through the presence in the erfindungsge ⁇ MAESSEN gas filter device 1 Gas Transport device 6 from the outside in the Rohgasansaug Colour. 2
  • the contaminated supply air passes through the existing in Rohgasansaug Colour 2 first filter means 3, 4, which in the example selected first a filter element for comparatively coarse particles (first coarse dust filter 3) and then a filter element for smaller particles (first fine dust filter 4).
  • the classification for coarse and fine ⁇ dust filter done in the Classes Gl to F9 according to DIN EN 779, with dust filter of the classes include Gl to G4 to the coarse dust filters and dust filters of classes F5 to F9 to fine dust filters. In the selected embodiment, therefore, first a dust filter from one of the classes G1 to G4 and, behind it, closer to the first clean gas area 5 a dust filter from one of the classes F5 to F9 can be arranged.
  • Such an arrangement has the advantage that the particulate filter is not unnecessarily be ⁇ capacity of comparatively coarse particles, and off at an operating mode as it is are provided in FIG 2 ⁇ , adhering to the first fine dust filter 4 particles of the first fine dust filter 4 and through the first coarse dust filter 3 through can be blown out again.
  • the purified air is further through the first Reingasbe ⁇ rich 5 and the opened first closeable opening 13 is blown through the gas conveying device 6 in the gas supply means.
  • 7 Not shown here is the device which is to be cooled by the supply air and which is in fluid communication with the gas supply device 7 and the gas discharge device 8. Through this device and / or around them, the purified supply air flows from the gas supply means 7 to the gas discharge means 8 and from there through the opened fourth closable opening 16 in the clean gas discharge region 10 and there first through the second particulate filter 12 and then through the second coarse dust filter 11 (second filter means).
  • the fifth closeable opening 17 may be opened in the ⁇ represent provided in FIG 1 operation or closed, respectively, even in part. If it is open, cleaned and possibly heated exhaust air from the Gasab Operationsein ⁇ direction 8 enters the area of the gas transport device 6 and is mixed there with purified supply air. By means of such a mixer operation, supply air for preheating can be mixed with exhaust air.
  • filter elements 3, 4, 11, 12 present in the filter devices there are no particular restrictions and all suitable filter elements can be used, as known from the prior art for the purification of gases of substantially solid particles. Also, all possible holding and / or insertion devices can be used for these filter elements.
  • any gas transporting device 6 suitable for the respective application for example a device with one or more fans, can be used.
  • a device with one or more fans can be used.
  • both Rohgasansaugbe ⁇ rich 2 and in the clean gas discharge portion 10 each have a filter means is provided, only the related (ie, compared to only a filter device) the operating point of / the fan / fans must respect be considered supply additional pressure loss.
  • one or more further filter devices for example, in front of the gas transport device 6 for filtering very fine particles is / are provided.
  • the first to fifth closeable opening 13-17 can be opened by each ⁇ de suitable device or closed.
  • the gas filter device 1 according to the invention without the presence of the fifth closable opening 17 or in the presence of the fifth closable opening 17 without recirculation operation is provided, for the first 13 and the second 14 closable opening a first and for the third 15 and fourth 16th closable opening egg ⁇ ne second switchover be provided.
  • a Umschal ⁇ th of the respective change-over the first closable opening is opened for example 13 and the second closing bare opening 14 closed. The same applies to the second changeover.
  • a separate device for opening and closing may also be provided at each opening, for example in the form of an all-inclusive closable pivoting flap.
  • each of the closable openings 13-17 can be individually opened and closed.
  • This refinement is advantageous, in particular, when a recirculation mode is to be realized by means of the fifth closable opening 17.
  • the respective openings to be closed by means of a simple cover can be closed.
  • the second 14 and the third 15 closable opening may be closed by a lid, or the first 13 and the third 15 closable opening.
  • SSE gas filter device 1 also comprises a closable fifth Publ ⁇ voltage 17, this may be either the closed, in this embodiment also with a lid (unless
  • a third filter device is provided in front of the gas transport means ⁇ 6 - of the present invention is also a.
  • This can for example have a filter element for very fine particles. Since in the field of gas transport However, if no flow direction reversal occurs in any of the possible modes of operation, no self-cleaning can take place in this filter device. Therefore, it is advantageous in this embodiment if the largest part of the particles (contamination) is already filtered out by the first or second filter device.
  • the first and second filter device are constructed substantially similar. However, this is not mandatory according to the invention.
  • the first and second filter devices can also be of different types, for example with a first filter device with a fine dust filter and with a second filter device with a coarse dust filter. This can be advantageous if the intake direction is to be deliberately changed for different types of soiling or conditions. For example, in phases of a large load, the incoming air with fine particles can be sucked in via the fine dust filter and in phases of little or no loading of the supply air with fine particles via the coarse dust filter.
  • the fine dust filter (which is now located at the outlet side) is at least partially cleaned again.

Landscapes

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

Abstract

La présente invention concerne un dispositif de filtre à gaz (1) pour réduire la quantité de particules essentiellement solides dans un gaz, avec une zone d'admission de gaz brut (2), une première zone de gaz propre (5), un dispositif de transport de gaz (6), un appareil d'évacuation de gaz (8) et une zone d'émission de gaz propre (10). Le dispositif de filtre à gaz est caractérisé en ce que, dans la zone de la première zone de gaz propre (5), une première ouverture (13) pouvant être refermée et une deuxième ouverture (14) pouvant être refermée sont prévues et, dans la zone de la deuxième zone de gaz propre (9), une troisième ouverture (15) pouvant être refermée et une quatrième ouverture (16) pouvant être refermée sont prévues. Par le biais de l'ouverture ou de la fermeture adaptée des ouvertures, la direction d'écoulement du gaz dans la zone de la zone d'admission de gaz brut (2) et de la zone d'émission de gaz propre (10) peut être modifiée. Dans la zone de la zone d'admission de gaz brut (2) et/ou dans la zone de la zone d'émission de gaz propre (10), un dispositif de filtre est placé, pour la réduction de la quantité de particules essentiellement solides dans le gaz brut. L'invention concerne également un procédé d'exploitation du dispositif de filtre à gaz (1).
PCT/EP2012/055626 2012-03-29 2012-03-29 Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz WO2013143595A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/055626 WO2013143595A1 (fr) 2012-03-29 2012-03-29 Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/055626 WO2013143595A1 (fr) 2012-03-29 2012-03-29 Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz

Publications (1)

Publication Number Publication Date
WO2013143595A1 true WO2013143595A1 (fr) 2013-10-03

Family

ID=45952500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/055626 WO2013143595A1 (fr) 2012-03-29 2012-03-29 Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz

Country Status (1)

Country Link
WO (1) WO2013143595A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5591240A (en) * 1994-06-27 1997-01-07 Ophardt; Hermann Powder paint booth backflow filter apparatus
DE10101219A1 (de) * 2001-01-12 2002-07-25 Wap Reinigungssysteme Abreinigungssteuerung für die Filter von Schmutzsaugern mit zwei Ventilen
WO2004037388A2 (fr) 2002-10-25 2004-05-06 United Air Specialists, Inc. Appareil et procede de nettoyage d'une unite de filtre a air
WO2009025545A1 (fr) * 2007-08-17 2009-02-26 Parker Filtration B.V. Procédé et dispositif pour filtrer un fluide
DE102010045979A1 (de) * 2010-09-18 2012-03-22 Nilfisk-Advance A/S Filterabreinigung für Schmutzsauger mit externem Gebläse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5591240A (en) * 1994-06-27 1997-01-07 Ophardt; Hermann Powder paint booth backflow filter apparatus
DE10101219A1 (de) * 2001-01-12 2002-07-25 Wap Reinigungssysteme Abreinigungssteuerung für die Filter von Schmutzsaugern mit zwei Ventilen
WO2004037388A2 (fr) 2002-10-25 2004-05-06 United Air Specialists, Inc. Appareil et procede de nettoyage d'une unite de filtre a air
WO2009025545A1 (fr) * 2007-08-17 2009-02-26 Parker Filtration B.V. Procédé et dispositif pour filtrer un fluide
DE102010045979A1 (de) * 2010-09-18 2012-03-22 Nilfisk-Advance A/S Filterabreinigung für Schmutzsauger mit externem Gebläse

Similar Documents

Publication Publication Date Title
DE1510381C3 (de) Vorrichtung zur Abscheidung von aus Spinnereimaschinen, insbesondere Karden, abgesaugtem Faserflug
EP3863749B1 (fr) Procédé et dispositif pour filtrer de l'air pollué
DE102014110940A1 (de) Rückspülbarer Luftfilter
DE20280185U1 (de) Vorrichtung zur Abreinigung von Filtern für staubbelastete Abgabe
DE2802369A1 (de) Filtervorrichtung zum filtern von durch staub und faserabfaelle verunreinigter luft
EP2069043A1 (fr) Système de filtrage décolmatable
EP2858736A1 (fr) Élément filtrant avec poches filtrantes
DE102015016446A1 (de) Schutzfiltervorrichtung, Innenraumluftfiltersystem sowie Verfahren zur Reinigung von mit Schadgasen und/oder Aerosolen und/oder Feststoffpartikelstaub beladener Luft
EP3259044A2 (fr) Dispositif pour le filtrage d'air vicié
DE19543275A1 (de) Filtervorrichtung sowie Verfahren für deren Betrieb
DE69604573T2 (de) Selbstreinigendes filter für pneumatische kreislaufe
EP1563889B1 (fr) Dispositif de filtration pour séparer des particules de gaz
WO2013029910A1 (fr) Dispositif de conditionnement d'air
DE10125732B4 (de) Filter zum Entstauben von ein partikelförmiges Gut enthaltende Prozeßluft in einer Prozeßapparatur sowie derartige Prozeßapparatur
EP3189760A1 (fr) Machine de nettoyage du sol
WO2013143595A1 (fr) Dispositif de filtre à gaz et procédé d'exploitation d'un dispositif de filtre à gaz
DE10223335B4 (de) Abreinigungsvorrichtung für ein Schwebstofffilterelement mit Filtertaschen
DE3939645C3 (de) Staubabscheider mit schlauchförmigen Filterelementen und Verfahren zum Wechseln derselben
EP2656897B1 (fr) Procédé et dispositif de filtration de particules à partir de gaz
EP1938885B1 (fr) Installation de filtration pour séparer la poussière d'un gaz
DE102015208104B3 (de) Vorrichtung zum Filtern von Luft
DE4435739A1 (de) Einrichtung zur periodischen Abreinigung von Luftfiltern
DE202011002455U1 (de) Filtervorrichtung und Sauger mit Filtervorrichtung
DE10139295C1 (de) Gerät zur Abscheidung von Fremdsubstanzen aus einem Luftstrom
DE3309983A1 (de) Schlauchfilter fuer die abscheidung von staubfoermigen produkten aus gasen

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: 12713662

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: 12713662

Country of ref document: EP

Kind code of ref document: A1