EP1242188A1 - Elektroabscheider - Google Patents
ElektroabscheiderInfo
- Publication number
- EP1242188A1 EP1242188A1 EP01953864A EP01953864A EP1242188A1 EP 1242188 A1 EP1242188 A1 EP 1242188A1 EP 01953864 A EP01953864 A EP 01953864A EP 01953864 A EP01953864 A EP 01953864A EP 1242188 A1 EP1242188 A1 EP 1242188A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner electrode
- section
- cleaning
- electrode
- cleaning body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/743—Cleaning the electrodes by using friction, e.g. by brushes or sliding elements
-
- 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
Definitions
- the invention relates to an electrical separator for separating liquid or solid particles from a gas stream, according to the preambles of claims 1 and 12 respectively.
- Such electrical separators are known from DE 198 22 332 C1.
- an actuating means which brings about the movement of the cleaning body (for example a thermally actuable wax expansion element) and is movably connected to the cleaning body via a cantilever arm and a holding arm. Additional space is required for the arrangement and accommodation of the actuating means, which is not available in many applications, for example when operating the electrical separator on an internal combustion engine.
- the object of the invention is therefore to develop an electrical separator which enables the section of the inner electrode which forms the corona to be cleaned and which is of compact and space-saving design.
- the basic idea of the invention is to use the hollow design of the inner electrode, in the section where the inner electrode has a larger diameter, to advantageously make previously unused installation space accessible, which is used for accommodating components which effect the cleaning mechanism.
- Electro separator in which a needle forming the second section of the inner electrode is moved for cleaning relative to an immovable cleaning body, this electrostatic precipitator on one
- Figure 2 shows a section through a second embodiment of the
- Electro separator in which the cleaning body is displaced relative to the immovable needle forming the first section of the inner electrode for cleaning, this electrostatic precipitator being used on an internal combustion engine and shown in the position with the engine running,
- Figure 5 shows a section through a third embodiment of the
- FIG. 6 shows a side view of a hollow, slotted inner electrode with a holding element for the cleaning body
- Figure 7 shows a cross section through the precipitation electrode in
- FIG. 1 and 2 each show a section through a first embodiment of the electrostatic precipitator, which is preferably used on an internal combustion engine for de-oiling crankcase gases.
- the electrical separator consists of a tube (1) through which the gas to be cleaned flows in the longitudinal direction, the inner wall (1A) of which forms a precipitation electrode for the particles to be separated.
- An inner electrode (2) is arranged in the center of the tube (1) and extends in the longitudinal direction, an electrical high-voltage field existing in the space between this inner electrode (2) and the precipitation electrode (1A).
- the inner electrode (2) has a first section (2A) with a small cross-sectional area on the inflow side and a second section (2B) with a larger cross-sectional area on the outflow side.
- the first section (2A) essentially serves to form a corona and the second section (2B) essentially serves to form an electrostatic deposition field.
- the section (2A) of the inner electrode (2) forming the corona is preferably designed as a needle. However, it is e.g. It is also provided that the first section (2A) forming the corona is designed as an extension of the second section (2B) of the inner electrode (2) that tapers conically or generally to a point.
- a cleaning body (3) is provided for cleaning the needle (2A).
- the cleaning takes place by a relative movement of the cleaning body (3) with respect to the needle (2A) in contact with it.
- the actuating means (4) for effecting this relative movement is now according to the invention in the hollow second section (2B) the inner electrode (2) arranged.
- the needle (2A) is moved for cleaning relative to the immovable cleaning body (3), while according to the embodiments shown in FIGS. 3 to 7, the cleaning body (3) is moved relative to the fixed needle
- an actuating means (4) is preferably selected which effects the relative movement between the cleaning body by means of the engine's own energies such as temperature or pressure drops or vibrations.
- an expansion element (4) is preferably used, which expands when the engine is running via the supply of heat from the hot crankcase gases and thus acts forcefully on one
- Plunger (4A) acts, which is then extended against the action of a spring (5).
- the spring (5) is also housed in the hollow inner electrode (2) and can be referred to as a resetting actuating element.
- the needle (2A) is arranged in a sleeve (4B) arranged on the inflow side and connected to the expansion element (4). It can be pressed into it, for example.
- the sleeve (4B) can be connected in one piece to the expansion element (4) or can also be arranged as a separate component thereon.
- the plunger (4A) Arranged on the side of the expansion element (4) opposite the needle (2A) is the plunger (4A), which is supported as an abutment inside the hollow inner electrode (2) on a pin (6) fixed there.
- the spring (5) is supported on the one hand on a contour of the inner electrode (2) and on the other hand on a projection of the expansion element (4) or on a projection jump of a body surrounding the expansion element (eg the sleeve mentioned above).
- the cleaning body (3) is preferably arranged at the inflow end of the hollow second section (2B) of the inner electrode (2).
- the inner electrode (2) has a small opening in which the cleaning body (3) is pressed or clipped.
- the cleaning body (3) itself is preferably formed from an elastomer plate which is pierced by the needle (2A) for cleaning. However, it is e.g. also provided to form the cleaning body as a cleaning brush with radially inwardly projecting micro bristles.
- the operation of the needle cleaning according to the embodiment of FIGS. 1 and 2 is as follows: After the engine is switched on, the crankcase gases that are hot while the engine is running and the hot engine compartment as a whole heat the expansion element (4).
- the needle (2A) pierces the cleaning body (3).
- the needle (2A) protrudes from the second section (2B) of the inner electrode (2) as the section of the inner electrode (2) forming the corona.
- the prestressed spring (5) moves the expansion element (4) back with the needle (2A), the plunger (4A) being retracted. During this movement, the needle (2A) is cleaned in contact with the cleaning body (3) during the retraction, the impurities being wiped off.
- the hot crankcase gases are passed through the hollow inner electrode (2), in which the expansion element (4) is also housed , derived.
- the hollow inner electrode has inlet openings (2C) for the gas, which connect the space between the inner electrode (2) and the precipitation electrode (1A) with the cavity in the inner electrode (2).
- These openings are preferably designed as slots (2C) formed in the longitudinal direction of the inner electrode (2).
- the pin (6) serving as a counterbearing for the plunger (4A) is advantageously introduced into the hollow inner electrode (2) and held there.
- the discharge of the cleaned gas via the hollow inner electrode (2) also enables a compact design of the electrostatic precipitator.
- the needle (2A) is at the same potential as the inner electrode (2B), which is in electrically conductive contact with the second hollow section (2B) of the inner electrode (2) ( 2) held.
- a smaller diameter of the tube (1) can be made possible if, in a modification of the exemplary embodiment in FIGS. 1 and 2, the expansion element (4) is not arranged entirely within the tube (1), but only if the plunger (4A) of the Expansion element (4) extends into the tube (1), the main body of the expansion element (4) in the drawing so z. B. is provided above the plunger (4A).
- the needle (2A) is firmly attached in the second hollow section (2B) of the inner electrode (2). arranges (eg pressed in).
- the cleaning body (3) is moved here while the needle (2A) is stationary.
- a holding element (8) for the cleaning body (3) which is connected to the plunger (4A) of the expansion element (4), is provided, this holding element (8) being moved with the plunger (4A).
- the hollow inner electrode (2) has slots (2C) running in the longitudinal direction to accommodate the holding element (8) and to connect the holding element (8) to the plunger (4A). In this case, too, the slots (2C) serve to discharge the hot crankcase gas via the hollow inner electrode (2).
- the holding element (8) is designed as a holding bracket which has a ring (8A) on the inflow side for receiving the cleaning body (3).
- the gas to be cleaned can flow past the webs (8B), which fix the cleaning body (3) centrally in the ring (8A), into the pipe (1).
- the retaining bracket (8) is guided coaxially in the precipitation electrode (1A) over the ring (8C). This is particularly illustrated in Figure 7. This ensures that the cleaning body (3) is always pierced by the needle (2A) at the same point. This is particularly the case with a cleaning body (3) made of elastomer
- the electrical separator should be designed as maintenance-free as a service life component.
- the spring (5) is supported on the one hand against the holding element (8) and on the other hand against a closure head (7) which closes the tube (1).
- the holding element (8) additionally has a circumferential cleaning lip (8C) for cleaning the valve the impact electrode (1A).
- the needle (2A) and the precipitation electrode (1A) can thus advantageously be cleaned simultaneously with a single mechanism.
- the cleaning lip (8C) can also serve - as mentioned above - to center the cleaning body (3).
- the tappet of the expansion element is designed as a corona-forming needle, the spring then being supported on a support collar connected to the tappet.
- a motor-driven threaded spindle running in the hollow inner electrode can also be used as the actuating element.
- a cylinder which can be actuated by means of oil or air pressure and which then runs at least partially in the hollow inner electrode.
- An aspect of the invention that is independent of the cleaning of the needle forming the corona is the sole cleaning of the precipitation electrode by means of an actuating mechanism arranged in the cavity of the inner electrode.
- the holding element (8) can be used, for example, to form a cleaning device, as shown in FIGS. 3 and 4, the holding element then only having a circumferential cleaning lip (8C).
- the cleaning element (3) then does not have to accommodate the holding element (8).
- cleaning body 4) actuating means (expansion element) for effecting the relative movement of cleaning body and needle
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10033642 | 2000-07-11 | ||
DE10033642A DE10033642C1 (de) | 2000-07-11 | 2000-07-11 | Elektroabscheider |
PCT/DE2001/002487 WO2002004126A1 (de) | 2000-07-11 | 2001-06-30 | Elektroabscheider |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1242188A1 true EP1242188A1 (de) | 2002-09-25 |
EP1242188B1 EP1242188B1 (de) | 2005-03-30 |
Family
ID=7648533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01953864A Expired - Lifetime EP1242188B1 (de) | 2000-07-11 | 2001-06-30 | Elektroabscheider |
Country Status (7)
Country | Link |
---|---|
US (1) | US6635105B2 (de) |
EP (1) | EP1242188B1 (de) |
JP (1) | JP2004502531A (de) |
KR (1) | KR100759638B1 (de) |
BR (1) | BR0106895A (de) |
DE (2) | DE10033642C1 (de) |
WO (1) | WO2002004126A1 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6632407B1 (en) | 1998-11-05 | 2003-10-14 | Sharper Image Corporation | Personal electro-kinetic air transporter-conditioner |
US20020155041A1 (en) * | 1998-11-05 | 2002-10-24 | Mckinney Edward C. | Electro-kinetic air transporter-conditioner with non-equidistant collector electrodes |
US20030206837A1 (en) | 1998-11-05 | 2003-11-06 | Taylor Charles E. | Electro-kinetic air transporter and conditioner device with enhanced maintenance features and enhanced anti-microorganism capability |
US20050210902A1 (en) | 2004-02-18 | 2005-09-29 | Sharper Image Corporation | Electro-kinetic air transporter and/or conditioner devices with features for cleaning emitter electrodes |
US7695690B2 (en) | 1998-11-05 | 2010-04-13 | Tessera, Inc. | Air treatment apparatus having multiple downstream electrodes |
US20020127156A1 (en) * | 1998-11-05 | 2002-09-12 | Taylor Charles E. | Electro-kinetic air transporter-conditioner devices with enhanced collector electrode |
US6350417B1 (en) * | 1998-11-05 | 2002-02-26 | Sharper Image Corporation | Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices |
US6176977B1 (en) | 1998-11-05 | 2001-01-23 | Sharper Image Corporation | Electro-kinetic air transporter-conditioner |
US6911186B2 (en) * | 1998-11-05 | 2005-06-28 | Sharper Image Corporation | Electro-kinetic air transporter and conditioner device with enhanced housing configuration and enhanced anti-microorganism capability |
SE519290C2 (sv) * | 2001-07-16 | 2003-02-11 | Ragne Svadil | Luftrenare |
US6749667B2 (en) * | 2002-06-20 | 2004-06-15 | Sharper Image Corporation | Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices |
DE20211439U1 (de) * | 2002-07-12 | 2003-11-20 | Hengst Gmbh & Co Kg | Elektro-Abscheider mit Spülreinigung |
US7724492B2 (en) | 2003-09-05 | 2010-05-25 | Tessera, Inc. | Emitter electrode having a strip shape |
US7906080B1 (en) | 2003-09-05 | 2011-03-15 | Sharper Image Acquisition Llc | Air treatment apparatus having a liquid holder and a bipolar ionization device |
DE20315935U1 (de) | 2003-10-16 | 2005-02-24 | Hengst Gmbh & Co.Kg | Elektroabscheider mit Eigenspülung |
US7767169B2 (en) | 2003-12-11 | 2010-08-03 | Sharper Image Acquisition Llc | Electro-kinetic air transporter-conditioner system and method to oxidize volatile organic compounds |
US7082897B2 (en) * | 2004-04-08 | 2006-08-01 | Fleetguard, Inc. | Electrostatic precipitator with pulsed high voltage power supply |
US6855190B1 (en) * | 2004-04-12 | 2005-02-15 | Sylmark Holdings Limited | Cleaning mechanism for ion emitting air conditioning device |
US20060018809A1 (en) | 2004-07-23 | 2006-01-26 | Sharper Image Corporation | Air conditioner device with removable driver electrodes |
DE202005000093U1 (de) * | 2005-01-05 | 2006-06-14 | Hengst Gmbh & Co.Kg | Elektroabscheider mit Memory-Metall-Aktor |
US20070151455A1 (en) * | 2005-07-06 | 2007-07-05 | Gates Peter J | Cleaning device |
US7838825B2 (en) * | 2006-02-13 | 2010-11-23 | Ahura Scientific Inc. | Method and apparatus for incorporating electrostatic concentrators and/or ion mobility separators with Raman, IR, UV, XRF, LIF and LIBS spectroscopy and/or other spectroscopic techniques |
US7833322B2 (en) | 2006-02-28 | 2010-11-16 | Sharper Image Acquisition Llc | Air treatment apparatus having a voltage control device responsive to current sensing |
JP4811731B2 (ja) * | 2007-02-14 | 2011-11-09 | Smc株式会社 | イオナイザ |
IL182389A (en) * | 2007-04-10 | 2010-11-30 | Yefim Riskin | Method of air purification from dust and electrostatic filter |
JP4743446B2 (ja) * | 2007-04-12 | 2011-08-10 | 漢拏空調株式会社 | 車両用空調システム |
US7824477B2 (en) * | 2007-04-13 | 2010-11-02 | Halla Climate Control Corp. | Ionizer mounting structure for a vehicle air conditioning system |
JP2011052544A (ja) * | 2009-08-31 | 2011-03-17 | Ngk Insulators Ltd | 排気ガス処理装置 |
JP2011069268A (ja) * | 2009-09-25 | 2011-04-07 | Ngk Insulators Ltd | 排気ガス処理装置 |
DE112011103405B4 (de) | 2010-10-08 | 2023-03-23 | Tsi Inc. | Funkenemissions-Teilchendetektor |
CN103608987B (zh) | 2011-06-22 | 2016-08-17 | 皇家飞利浦有限公司 | 用于清洁电极的空气离子化部分的清洁设备 |
US20150255961A1 (en) * | 2012-09-13 | 2015-09-10 | Desco Industries, Inc. | Ionizer with needle cleaning device |
FR3010642B1 (fr) * | 2013-09-13 | 2015-10-09 | Commissariat Energie Atomique | Collecteur electrostatique |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53130578A (en) * | 1977-04-19 | 1978-11-14 | Matsushita Electric Ind Co Ltd | Air cleaning device |
JPS5742521Y2 (de) * | 1979-07-19 | 1982-09-18 | ||
JPS60168551A (ja) * | 1984-02-13 | 1985-09-02 | Ono Gijutsu Kenkyusho:Kk | 電気集塵装置における放電電流の制御法 |
FR2655570B1 (fr) * | 1989-12-12 | 1992-06-19 | Commissariat Energie Atomique | Filtre electrostatique pourvu d'un systeme de decolmatage. |
FR2704776B1 (fr) * | 1993-05-06 | 1995-06-09 | Commissariat Energie Atomique | Electrofiltre de gaz empoussiérés et procédé de filtration. |
DE19822332C1 (de) * | 1998-05-19 | 1999-05-27 | Hengst Walter Gmbh & Co Kg | Verfahren zum Reinigen von Elektrofiltern und Elektrofilter mit Reinigungsvorrichtung |
-
2000
- 2000-07-11 DE DE10033642A patent/DE10033642C1/de not_active Expired - Fee Related
-
2001
- 2001-06-30 BR BR0106895-4A patent/BR0106895A/pt not_active IP Right Cessation
- 2001-06-30 DE DE50105767T patent/DE50105767D1/de not_active Expired - Fee Related
- 2001-06-30 US US10/070,865 patent/US6635105B2/en not_active Expired - Fee Related
- 2001-06-30 EP EP01953864A patent/EP1242188B1/de not_active Expired - Lifetime
- 2001-06-30 KR KR1020027003206A patent/KR100759638B1/ko not_active IP Right Cessation
- 2001-06-30 WO PCT/DE2001/002487 patent/WO2002004126A1/de active IP Right Grant
- 2001-06-30 JP JP2002508574A patent/JP2004502531A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO0204126A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE50105767D1 (de) | 2005-05-04 |
EP1242188B1 (de) | 2005-03-30 |
KR20020038753A (ko) | 2002-05-23 |
KR100759638B1 (ko) | 2007-09-17 |
DE10033642C1 (de) | 2001-08-09 |
US6635105B2 (en) | 2003-10-21 |
BR0106895A (pt) | 2002-04-30 |
US20020194997A1 (en) | 2002-12-26 |
JP2004502531A (ja) | 2004-01-29 |
WO2002004126A1 (de) | 2002-01-17 |
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