WO2010057488A1 - Électrofiltre d'épuration par voie humide pour épurer des gaz d'échappement ainsi qu'un procédé approprié à cet effet - Google Patents

Électrofiltre d'épuration par voie humide pour épurer des gaz d'échappement ainsi qu'un procédé approprié à cet effet Download PDF

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Publication number
WO2010057488A1
WO2010057488A1 PCT/DE2009/001661 DE2009001661W WO2010057488A1 WO 2010057488 A1 WO2010057488 A1 WO 2010057488A1 DE 2009001661 W DE2009001661 W DE 2009001661W WO 2010057488 A1 WO2010057488 A1 WO 2010057488A1
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WO
WIPO (PCT)
Prior art keywords
exhaust gas
filling
particles
cleaning liquid
electrostatic
Prior art date
Application number
PCT/DE2009/001661
Other languages
German (de)
English (en)
Inventor
Tobias BÖHM
Hermann Kuhrmann
Julius Rawe
Original Assignee
Fachhochschule Gelsenkirchen
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 Fachhochschule Gelsenkirchen filed Critical Fachhochschule Gelsenkirchen
Priority to US12/998,688 priority Critical patent/US9321056B2/en
Priority to DE112009003254T priority patent/DE112009003254A5/de
Priority to AU2009317678A priority patent/AU2009317678B2/en
Priority to CA2744038A priority patent/CA2744038C/fr
Publication of WO2010057488A1 publication Critical patent/WO2010057488A1/fr

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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
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/74—Cleaning the electrodes
    • B03C3/78—Cleaning the electrodes by washing
    • 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
    • B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
    • B03C3/014—Addition of water; Heat exchange, e.g. by condensation
    • 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
    • B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
    • 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
    • B03C3/16—Plant or installations having external electricity supply wet type

Definitions

  • the invention relates to a wet-cleaning electrostatic filter for exhaust gas purification GE measure preamble of claim 1 and a suitable method for this according to the preamble of claim 21st
  • the invention relates to an electrostatic, wet-cleaning electrostatic precipitator for exhaust gas purification and / or heat recovery according to claim 1 and to a method for exhaust gas purification and / or heat recovery by means of a wet scrubbing electrostatic precipitator for any application - especially for the flue gases of biomass furnaces.
  • exhaust gas purification here is understood both the reduction of particulate as well as gas and odor emissions.
  • scrubbers have been used as wet scrubbers for particulate emissions.
  • Their design principle is based on the mass inertia of the dust particles to be removed in the exhaust gas flow, which can not follow the flow of the sprayed droplets of water in the spray field of the exhaust flow, impact the droplets and be deposited with them. This justifies that wet scrubbers only cause the deposition of coarser dust particles up to about 0.5 ⁇ m. Smaller dust particles can no longer be effectively separated due to the low mass inertia of the dust particles, since they follow the gaseous fluid flow and thus do not undergo any interactions with the liquid droplets produced in the scrubber.
  • dry electrostatic precipitators are able to deposit even the finest dust particles smaller than 100 nm with up to 99% effectiveness.
  • the deposition principle is based on a corona-tip discharge and the subsequent particle charging, so that the negatively charged particles can be deposited on a grounded precipitation electrode.
  • Typical designs are tube or plate electrostatic precipitator z. B. in power plants.
  • dry electrostatic working separator have some disadvantages. These are on the one hand design and size. However, they must be mechanically cleaned, which either has an interruption in the operation of the separator and thus possibly an entire system according to or simultaneously causes emissions of the fluidized dust particles deposited during cleaning. Unlike wet scrubbers, they can not recover energy from the flue gases. Likewise, flashovers from the high voltage electrode can cause ignition and explosions of the flue gas. Other disadvantages are frequent cleaning intervals and, in particular for smaller systems, the need for partial manual cleaning by the operator or the chimney sweep.
  • wet electrostatic precipitators are known. The mechanical cleaning is eliminated. Instead, it is done by spraying the collecting electrode with water.
  • wet electrostatic precipitators have disadvantages in terms of design and size and are technically complex, resulting in high costs. Also, a condensation of pollutants contained in the exhaust gas, which adjusts an accumulation of the pollutants in the circulating water, otherwise there is a high water demand.
  • a wet scrubber called MDDS Mitsubishi Di-Electric Droplet Scrubber
  • MDDS Mitsubishi Di-Electric Droplet Scrubber
  • the particulate-laden exhaust gas is pre-charged before entering the actual deposition chamber and passed through a scrubber field. It then passes through a chamber similar to a plate capacitor, with one side of the chamber at high voltage, the other at ground / ground potential. As a result, a homogeneous electric field is generated between the plates, whereby the water molecules (dipoles) align.
  • fabric filters are also known.
  • the surface metal, textile, cellulose
  • the cleaning is done mechanically or pneumatically.
  • Fabric filters require a lot of space, the cleaning releases dust, furthermore there is a very high pressure loss, therefore a high additional fan power is required to remove the exhaust gases.
  • a separation of the dust particles is also solved by cyclones.
  • the coarser dust is separated by the inertia of the dust particles, but no fine dust separation takes place and a higher blower output is required.
  • the object of the present invention is therefore to reduce the dust emissions of exhaust gases of any kind, and in particular solid fuel firing, while ensuring a long-term stable operation of the corresponding plant.
  • the solution of the object of the invention results in terms of wet-cleaning electrostatic precipitator from the characterizing features of claim 1 in conjunction with the features of the preamble. Further advantageous embodiments of the invention will become apparent from the dependent claims.
  • the invention relates to a generic electrostatic precipitator for exhaust gas purification and / or heat recovery, in particular also for exhaust gas purification for the exhaust gases of biomass furnaces, in which the electrostatic precipitator has a separation chamber through which the exhaust gas is passed, wherein in the region of the deposition chamber or adjacent to the deposition chamber is arranged a charging device for electrostatic charging of particles located in the exhaust gas.
  • Such an electrostatic precipitator is further developed by arranging in the region of the deposition chamber an electrostatically charged or grounded separating device having a surface which is large in relation to its volume for interaction with the particles, which particles are electrostatically charged by the charging device flow through, wherein a dispensing device for cleaning liquid sprays the region of the separator at least periodically and the cleaning liquid cleans the particles deposited on the surface of the separator.
  • a dispensing device for cleaning liquid sprays the region of the separator at least periodically and the cleaning liquid cleans the particles deposited on the surface of the separator.
  • the electrostatic precipitator according to the invention can be used for the purification of any gas streams that carry small particles of any kind, which may be disadvantageous for the further processing of the gas stream or the discharge of the gas stream into the environment.
  • this always refers to exhaust gas and particles, if such a gas stream or corresponding particles are meant, whereby exhaust gas not only circumscribes the exhaust gas of a combustion process or the like.
  • the electrostatic precipitator electrically charges the particles in the exhaust gas by means of corona discharge.
  • Advantages of the Electrofilm are in particular a simple structure and a compact design, low power consumption and low consumption of cleaning fluid with high cleaning performance. Likewise, owing to the low flow resistance, it is possible to achieve a high volumetric flow rate with simultaneously high particulate matter precipitation.
  • the separation device has a filling of electrostatically chargeable components, between which the exhaust gas can pass through and can deliver its previously electrostatically charged particles.
  • a charge of electrostatically chargeable components particularly with a large volume-to-volume interaction surface with the particles, allows for a high degree of particulate matter separation by the repeated interaction of each particle with the large surface area as the charge passes through each Particles often enough opportunity to attach to this surface.
  • a particularly large surface of the filling can be achieved if the filling is formed from a heap of geometrically indeterminate shaped individual components of the filling. Such a heap of geometrically indeterminate shaped individual components usually forms a large surface in itself.
  • the individual constituents of the aggregate adjoin one another in such a state that an electrostatic charge or grounding applied externally to the precipitator device is distributed over the entire aggregate and essentially all individual constituents of the filling are electrostatically charged or grounded.
  • the electrical charge or the change can be simply coupled into the filling by making a corresponding contact from outside and propagating the electrical potential across the electrically conductive individual components over the entire filling .
  • the filling can be configured in that the filling has metallic chips, in particular turnings or the like, or metallic wool or the like.
  • Such metallic chips such as cuttings, shavings or the like usually have a very irregularly shaped geometry and can be compactly stored in the filling only while keeping appropriate channels and open areas.
  • these metallic chips or metallic wools are inherently electrically conductive, so that an electric potential applied from the outside to the filling inevitably spreads over the entire filling.
  • metallic chips or metallic wool are very inexpensive to obtain, since this is usually waste products such as from the production areas of metal workshops or the like, and these materials incurred there in large quantities.
  • the filling according to the invention can be produced very inexpensively and thus the operation of the electrostatic precipitator is less expensive.
  • electrostatically chargeable parts preferably from electrostatically chargeable plastic bodies or the like.
  • electrostatically chargeable parts may be shaped irregularly, for example, in their geometry and thus attach to each other only while keeping appropriate channels in the filling, at the same time made about plastic and made electrically conductive parts can be made very inexpensively.
  • the filling of metallic and / or electrostatically chargeable plates or bodies is formed geometrically determined shape.
  • Such electrostatically chargeable plates or body geometrically determined form are arranged in a likewise geometrically determined arrangement to each other within the separator, in a further embodiment, the plates or bodies are arranged in the separator so that they form between them a plurality of channels for the passage of the exhaust gas in which the electrostatically charged particles of the exhaust gas can accumulate on the oppositely electrostatically charged plates or bodies.
  • a very high surface area for interaction with the particles of the exhaust gas can likewise be achieved and thus a high deposition rate can be achieved. te the particles from the exhaust gas.
  • the cleaning of such plates or body geometric shape by the cleaning liquid is also particularly easy, since the cleaning liquid can easily move through the geometric arrangement of the plates or body.
  • the filling and / or the separating device is independent of the rest of the electrostatic filter, such as when the filling and / or the separating device in the form of a replaceable in its entirety unit, preferably a cartridge or the like.
  • the filling can be either completely renewed or simply perform a cleaning, without the filling from the separator must be removed gradually and also gradually reintroduced accordingly.
  • the change or the cleaning of the filling can be significantly accelerated.
  • the filling fills the entire passage cross section of the separation chamber and the entire exhaust gas flows through the filling.
  • a flow around the filling without purification of the exhaust gas flow is reliably excluded from the particles and the quality of the cleaning of the exhaust gas flow overall guaranteed.
  • the charging device is arranged in the flow direction in front of the deposition chamber or in the flow direction within the deposition chamber in front of the separation device.
  • the particles of the exhaust gas stream are charged electrically or electrostatically in advance by the precipitator before it flows through, so that the particles can be caught particularly well by the countercharged or grounded surface of the precipitator.
  • a number of nozzles are arranged in the deposition chamber such that the cleaning liquid is sprayed onto the separation device in the form of spray jets or in the form of a mist.
  • spraying the cleaning liquid in the form of sprays or spray a particularly good distribution of the cleaning liquid over the entire volume of the separator and thus the filling can be achieved, so that each part of the Surface of the filling or the separating device comes into contact with the cleaning liquid and thus the particles of the exhaust gas deposited there can be cleaned.
  • the cleaning using the cleaning liquid can preferably be carried out fully automatically periodically by one or more spray scrubbers.
  • the cleaning liquid after spraying moisten substantially all the individual components of the filling and solve there accumulated particles of the exhaust gas and dissipate.
  • the sprayed onto the separation device cleaning liquid moves under the influence of gravity through the channels of the filling to the lower end of the separator and exits there again from the filling.
  • the cleaning liquid wets almost the entire surface of the filling and thereby takes all accumulated particles from the exhaust gas flow with it. This makes it possible to achieve a simple, cost-effective and nevertheless very effective cleaning of the separating device or of the filling.
  • the charging device is arranged downstream of the nozzles in the flow direction within the deposition chamber.
  • the charging device can be simultaneously and continuously cleaned by the cleaning fluid discharged from the nozzles, so that no incrustations can form on the charging device and also the use of a ceramic supply line to the charging device would be possible.
  • the materials of the filling for cleaning aggressive exhaust gases are designed such that the filling consists of an electrochemically more noble material than the rest of the separator and therefore acts as a sacrificial anode. This prevents that the deposition chamber or the shell of the separator is corroded by aggressive components from the exhaust gases over time or even dissolved, since the filling acts as a sacrificial anode, but this does not adversely affect the replacement of the filling.
  • a heat exchanger is arranged before and / or after entry into the deposition chamber, in which the temperature of the exhaust gas is increased. lowers and / or a portion of the amount of heat contained in the exhaust gas is recovered.
  • the exhaust gas temperature can be lowered by upstream or downstream of a heat exchanger and thus a part of the energy can be recovered from the exhaust gas.
  • this can be minimized by the amount of liquid sprayed and excessive evaporation of the cleaning liquid can be avoided if the arrangement of the heat exchanger before entering the deposition chamber or the separator takes place.
  • the separation device can be made retrofittable not only for new plants but also for existing exhaust systems.
  • the invention further relates to a method for exhaust gas purification and / or heat recovery, in particular also for exhaust gas purification for the exhaust gases of biomass furnaces, in which an electrostatic precipitator has a separation chamber through which the exhaust gas is passed, wherein in the region of the deposition chamber or adjacent to the deposition chamber a charging device for the electrostatic charging of particles located in the exhaust gas is arranged.
  • the particles charged electrostatically by the charging device can be conducted through a region of the deposition chamber in which a deposition device electrostatically charged or earthed against the charge of the particles is arranged, wherein the region of the separation device is sprayed at least periodically by sprayed-on cleaning liquid and sprayed on the Surface of the separator deposited particles are cleaned.
  • the cleaning liquid is collected after passing through the separation device or is introduced into the sewage network with little contamination when using water as a cleaning liquid.
  • the cleaning liquid is collected and cleaned after passing through the separator or also reused, for example.
  • the cleaning fluid used such as water
  • the cleaning liquid can either be introduced directly into the sewer system or else collected and disposed of. This eliminates the periodic cleaning and disposal required for other dry electrofilters. Dust.
  • the cleaning liquid is discharged together with the particles dissolved in it from the electrostatic precipitator and either collected and disposed of, or treated and discharged into the sewage network, or introduced at lower load directly into the sewage network.
  • the spraying of the cleaning liquid takes place in the flow direction of the exhaust gas through the filling.
  • Another conceivable embodiment provides that the spraying of the cleaning liquid against the flow direction of the exhaust gas takes place through the filling. This makes it possible to achieve an additional countercurrent effect.
  • the spraying of the cleaning liquid takes place in the crossflow or transversely to the flow direction of the exhaust gas through the filling.
  • FIG. 1 shows a first embodiment of an electrostatic precipitator according to the invention with an upstream heat exchanger and filling made of chips in countercurrent
  • FIG. 4 shows a variant of the electrostatic filter according to FIG. 1 with an embodiment of the filling consisting of plates.
  • FIG. 1 shows in a systematic representation the basic construction of the electrostatic precipitator 1 according to the invention, wherein FIGS. 2 to 4 represent corresponding variants of the electrostatic precipitator 1 according to FIG.
  • the same part numbers designate the same components here.
  • the electrostatic precipitator 1 according to FIG. 1 consists essentially of two separate chambers, which are connected via an overflow channel 14, wherein a heat exchanger 7 is indicated in the upstream chamber in the flow direction 11, with which corresponding quantities of heat can be coupled out of the exhaust gas flow.
  • This heat exchanger 7 may, but need not be provided in the inventive electrostatic precipitator 1, as can be seen for example in FIG.
  • an electrode 6 is indicated in the region of the overflow channel 14 with which particles present in the exhaust gas are electrostatically charged before they enter the deposition chamber 2 in the region of the separator 12 and there in still be deposited as described below.
  • the flow of the exhaust gas is deflected several times after entering the inlet 9 before the exhaust gas flow reaches the region of the separating device 12.
  • Figure 3 is a more direct guidance of the exhaust stream without these deflections conceivable, as can also be seen from Figure 3.
  • a separation device 12 is arranged from a filling 3 such that it fills the entire flow cross section in the separation chamber 2 and the exhaust gas flow must inevitably pass through the separation device 12.
  • the filling of the separating device 12 may in this case consist, for example, of a dense packing of chips or wool of metallic materials or the like, between which corresponding flow channels remain open and thus the exhaust gas flow through the filling 3 can pass altogether. After charging the particles of the exhaust gas flow through the electrode 6, the particles have changed so that they can attach to the chips of the filling 3 at a grounding of the filling 3 or at the same polarity of the filling 3 to the polarity of the particles and there due to electrical forces of attraction.
  • the filling 3 acts as a kind of filter for the particles of the exhaust gas stream, which are collected and retained substantially within the filling 3. If, during operation of the electrostatic precipitator 1, this flow through the filling 3 continued over a certain period of time, the filling 3 would become clogged over time and would no longer be permeable.
  • a nozzle 5 is arranged above the filling 3 of the separator 12 such that it emits a cleaning liquid such as water in the form of a spray field 4 in the direction of the separator 12 and this cleaning liquid by gravity through the filling 3 of the separator 12 therethrough flows and at the bottom of the separator 12 exits again.
  • the cleaning liquid On the way through the filling 3, the cleaning liquid will wash off the particles retained in the filling 3 from the filling 3 and thus clean the filling 3 and wash away the particles via the channels between the chips of the filling 3, for example.
  • the cleaning liquid flows into the lower region of the electrostatic precipitator 1 and can exit the electrostatic precipitator 1 via the outlets 8.
  • the cleaning liquid for example, collected again and cleaned again the nozzle 5 are supplied, it is also conceivable, for example when using water as a cleaning liquid to supply the cleaning fluid directly or after cleaning of the particles to the sewer system.
  • the purified exhaust gas flow exits in the flow direction 11 from the outlet 10 again.
  • FIG. 2 shows a modification of the electrostatic precipitator 1 of FIG. 1 in that the flow direction 11 of the exhaust gas flow through the electrostatic precipitator 1 is reversed and the exhaust gas flow passes through the precipitator 12 in the direction of the spray action of the nozzle for the spray field 4. Otherwise, the function of the electrostatic precipitator 1 remains as already described.
  • FIG. 3 shows a modification of the electrostatic precipitator 1 of FIG. 1 in that the electrostatic precipitator 1 is formed without a heat exchanger 7, and therefore essentially consists only of the precipitator chamber 12 with the drain arranged therein. shifter 12 consists. Again, the function is analogous to the rear in the flow direction 11 of the electrostatic precipitator 1 of Figure 1.
  • FIG. 4 shows a modification of the electrostatic precipitator 1 of FIG. 1 in that the filling 3 of the precipitator 12 no longer consists of geometrically indeterminate components such as chips, but consists of a parallel arrangement of individual plates 13 arranged between them leave corresponding narrow channels for the passage of the gas stream of the exhaust gas open.
  • the plates 13 are electrically charged or grounded analogous to the chips of the filling 3 and interact in the manner already described with the particles of the exhaust gas. Due to the large surface area of the plates 13, a corresponding number of particles can deposit on the surfaces of the plates 13 when the separator 12 of FIG. 4 passes through and be cleaned again in the already described manner by the spray field 4.

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  • Electrostatic Separation (AREA)

Abstract

L'invention concerne un électrofiltre (1) pour épurer des gaz d'échappement et/ou récupérer la chaleur, notamment pour épurer également les gaz d'échappement de combustions de biomasse. L'électrofiltre (1) comporte une chambre de séparation (2) à travers laquelle le gaz d'échappement est guidé, un dispositif de charge (6) destiné à charger électrostatiquement les particules se trouvant dans le gaz d'échappement étant disposé dans la région de la chambre de séparation (2) ou de manière adjacente à la chambre de séparation (2). Dans un tel électrofiltre (1), un dispositif de séparation (12) qui a une charge électrostatique inverse de la charge de particules ou est mis à la terre et qui a une grande surface par rapport à son volume pour interagir avec les particules est disposé dans la région de la chambre de séparation (2). Cette surface est parcourue par les particules électrostatiques chargées par le dispositif de charge (6). Un dispositif de distribution (5) pour le liquide de lavage pulvérise au moins périodiquement la région du dispositif de séparation (12) et le liquide de lavage lave les particules fixées à la surface du dispositif de séparation (12).
PCT/DE2009/001661 2008-11-20 2009-11-19 Électrofiltre d'épuration par voie humide pour épurer des gaz d'échappement ainsi qu'un procédé approprié à cet effet WO2010057488A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/998,688 US9321056B2 (en) 2008-11-20 2009-11-19 Wet-cleaning electrostatic filter for cleaning exhaust gas and a suitable method for the same
DE112009003254T DE112009003254A5 (de) 2008-11-20 2009-11-19 Nass abreinigender elektrofilter zur abgasreinigung sowie ein hierfür geeignetes verfahren
AU2009317678A AU2009317678B2 (en) 2008-11-20 2009-11-19 Wet-cleaning electrostatic filter for cleaning exhaust gas and a suitable method for the same
CA2744038A CA2744038C (fr) 2008-11-20 2009-11-19 Electrofiltre d'epuration par voie humide pour epurer des gaz d'echappement ainsi qu'un procede approprie a cet effet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08020223.7 2008-11-20
EP08020223A EP2189223A1 (fr) 2008-11-20 2008-11-20 Filtre électrique à nettoyage humide destiné au nettoyage des gaz d'échappement et procédé correspondant

Publications (1)

Publication Number Publication Date
WO2010057488A1 true WO2010057488A1 (fr) 2010-05-27

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PCT/DE2009/001661 WO2010057488A1 (fr) 2008-11-20 2009-11-19 Électrofiltre d'épuration par voie humide pour épurer des gaz d'échappement ainsi qu'un procédé approprié à cet effet

Country Status (6)

Country Link
US (1) US9321056B2 (fr)
EP (1) EP2189223A1 (fr)
AU (1) AU2009317678B2 (fr)
CA (1) CA2744038C (fr)
DE (1) DE112009003254A5 (fr)
WO (1) WO2010057488A1 (fr)

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CN102284361A (zh) * 2011-06-15 2011-12-21 福建龙净环保股份有限公司 一种烟气除尘系统及其电除尘器
EP2889089A1 (fr) 2013-12-27 2015-07-01 Windhager Zentralheizung Technik GmbH Procédé et dispositif de nettoyage d'un électrofiltre

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CN103090403B (zh) * 2013-02-20 2015-09-02 上海电气石川岛电站环保工程有限公司 一种锅炉后除尘和烟气余热回收的一体化装置及其应用
FR3067618B1 (fr) * 2017-06-20 2019-07-19 Mgi Coutier Procede de fabrication d'un electro-filtre et electro-filtre associe
CN113154611A (zh) * 2021-06-03 2021-07-23 爱优特空气技术（上海）有限公司 一种静电空气净化装置及使用方法
EP4389290A1 (fr) 2022-12-21 2024-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositif et procédé de nettoyage de la surface intérieure de tubes

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US9321056B2 (en) 2016-04-26
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CA2744038C (fr) 2014-06-10
US20110252965A1 (en) 2011-10-20
EP2189223A1 (fr) 2010-05-26
AU2009317678B2 (en) 2014-03-06

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