WO2004058408A1 - Luftreinigende anlage zur reinigung der aus einem, die beschmutzte luft enthaltenen raum in einen luftdicht abgesperrten raum eingesaugten luft - Google Patents
Luftreinigende anlage zur reinigung der aus einem, die beschmutzte luft enthaltenen raum in einen luftdicht abgesperrten raum eingesaugten luft Download PDFInfo
- Publication number
- WO2004058408A1 WO2004058408A1 PCT/HU2003/000109 HU0300109W WO2004058408A1 WO 2004058408 A1 WO2004058408 A1 WO 2004058408A1 HU 0300109 W HU0300109 W HU 0300109W WO 2004058408 A1 WO2004058408 A1 WO 2004058408A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- house
- end wall
- electrode
- cleaning system
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 18
- 239000000428 dust Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000001418 larval effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B03C3/40—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
- B03C3/019—Post-treatment of gases
-
- 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
- B03C3/32—Transportable units, e.g. for cleaning room air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
Definitions
- Air-purifying system for cleaning the air sucked in from a room containing the polluted air into an airtightly sealed room.
- the invention relates to an air-cleaning system for cleaning the air sucked in from a room containing the polluted air into an airtightly sealed room, which system
- the gas mask consisted of larval mask covering the face with an airtight barrier, which are provided with an air filter arranged in front of the nose or mouth, generally in a cylindrical house, and the air cleaned by the filter only through this Filters can get to the respiratory system.
- the gases to be filtered have been shown to contain the powdered contaminants in a fairly wide range.
- the diameter of the dust particles that get into the filter extends from 20 ⁇ m to 0.001 ⁇ m.
- the radioactive degradation products are in fact in the molecular order of magnitude and the metal-like degradation products behave similarly to the gas pollutants. Despite everything, these are mentioned as powder.
- the filters used in gas masks today can filter the powder particles at most up to a diameter of 0.3 ⁇ m. The fact is already known that the powder particles in this area are the most dangerous to the living organs. The cells in the alveoli of the lungs block these particles and they cannot be removed from the living organism with the usual cleaning methods.
- a common property of the filters arranged in the gas masks is that the flow of air through the breathing of the living organism is carried out by sucking in the air and therefore the resulting resistance of the filters cannot exceed a maximum value, which is the breathing of the living organism much more difficult.
- the electrostatic dust filters work as follows: The transported by means of the gas stream Medium is provided with electrical charges, then the medium thus charged is separated in a flowing manner in an electrical field.
- the advantage of these dust filters is that a substantial part of the living things, bacteria, viruses in the polluted air are destroyed by them and so they can also be used for biological protection purposes. Their disadvantage compared to that they take up a relatively large space.
- Such dust collectors are also known where the polluted air flows in a swirling manner in a space narrowing downwards, the bodies lose their swirl with the wall bordering the space, which has a circular cross section, and fall to the floor of the space. These are the so-called cyclone separators.
- the space requirement of these systems increases if the rotational speed is increased and only a fraction of the floating materials can be separated.
- the scattering electrodes are also arranged in a circle between the air-directing electrodes and have opposite potentials than the air-directing electrodes adjacent to them. This solution significantly reduced the space requirement and it can also be used to remove diesel soot. A shortcoming of this system is that there is a risk of breakdown due to the proximity the wing-shaped air-directing electrodes and the scattering electrodes increases. However, if the applied voltage is reduced, the necessary ionization current could not be secured.
- a further step was realized by the solution which can be seen from WO 03/043741 AI, where the inside of an electrode with a tail-shaped cross section was made hollow, the polluted air being conducted over the electrode, via one in the tip of the electrode edge separating the tail-shaped cross-section touching the edge, formed along the entire length of the hollow electrode, the scattering electrode was also laid at the trailing edge of the externally convex wall of the hollow electrode, then those enriched in the vicinity of the scattering electrodes are removed as a result of the high exit air velocity ions from the area of the exit edge as a result, the necessary ionization current can also be secured at a lower voltage.
- the object of the invention is to create an electrostatic filter which is suitable for maintaining the quality of the known electrostatic filter on the direct or at least indirect connection to the gas masks already used, furthermore on increasing the service life of the air filter and neither its weight nor its size causes such a strain on the individual wearing the mask that it would limit his activities.
- the reason for the invention is based on the knowledge that if the electrodes are arranged inside a conductive cylinder and the temperature of the electrodes at a dwarf voltage is raised above the ambient temperature, the ionization current can be increased by orders of magnitude without an electrode flashover occurring. This solution arose essentially as a result of the combined effect of quasi-thermal heating and the room emission.
- the electrode system generating the electric field is arranged inside the support tubes which can be switched to zero potential and are made of electrically conductive material,
- the support tube are encased on their entire lateral surfaces or at least on their parts of their lateral surfaces located against the front wall with a sieve which has a small air resistance and enables a diffuse flow, and
- the scattering electrodes of the known electrostatic filters work on the basis of the space emission principle, in contrast to which the function of the electron tubes is based on the thermal emission. There is no known means that would work on atmospheric pressure due to thermal emission.
- the air is inhaled by the user of the filter at a much lower air speed than with the collective filters, where the speed of the compressed air depends on the air flow of the fan. That that the mechanical use of the electrode wires is significantly smaller and this enables the electrode wires to be introduced into the path of the air flow. Due to the low air speed, a lower heating output is required.
- FIG. 1 shows a schematic drawing of a gas ken connectable as a cylindrical attachment applicable embodiment of the air purifying system manufactured according to the invention in axial section, in
- Fig.2 shows a section A-A of the air cleaning system shown in Fig.l.
- the air-cleaning system shown in Fig.l is in one, with an (airtight) closed jacket wall (1), with an otherwise closed atmosphere-side end wall (3) provided with the openings (2) that allow the suction of the polluted air, and with one the cylindrical house (6), which is provided with openings (4) suitable for passage of the exiting air and is otherwise closed on the use side end wall (5).
- a perforated wall with an electrically conductive screen (7) and a jacket surface, preferably made of plastic, are arranged axially symmetrically.
- the plastic wall and / or the sieve (7) are made of an electrically conductive material and connected to zero potential.
- the support tubes (8) are fastened to an insulating disc (9) parallel to the end wall (3) on the atmosphere side, preferably embedded in the circular grooves formed on the insulating disc (9). Openings (10) which are suitable for introducing the contaminated air which has passed through openings (2) into the interior of the support tube (8) are arranged on the insulating disk (9).
- Two scatter electrode wires (12) placed against each other on a diameter are connected to each other in the region of the end of the electrode holder (11) located at the end wall (5) of the electrode holder (11) on the use side. According to the example, the scattering electrode wires (12) and the electrode carrier (11) are over the Insulating washer (9) out.
- the stray electrode wires (12) are designed via the insulating disk (9) to an electronic power source (14), which is arranged in the axis of the house (6) and is preferably airtightly delimited from the other parts of the house (6) by a boundary wall (13). connected.
- the surface of the sieve (7) can be made electrically conductive, for example by vacuum scattering.
- the support tube (8) is sealed airtight at its end located at the end wall (5) on the use side with a separate end wall (15) or fastened directly to the end wall (5).
- the electrode carriers (11) are also attached to the end wall (15 or 5) because of the stabilization of their position.
- the parts of the house (6) located outside the support tubes (8) and the boundary wall (13) are filled with filter insert (16).
- the openings (4) on the end wall (5) on the use side are arranged on the surface of the end wall (5) which comes into contact with the filter insert means (16).
- a quick connection means suitable for coupling to the input of the filter insert of the known gas masks e.g. a means (17) suitable for resilient engagement or a bayonet fitting.
- the polluted air is sucked through the openings (2) of the end wall (3) and through the openings (10) of the insulating washer (9) into the interior of the support tube (8) forming an "active zone".
- the scattering electrode wires (12) are connected to the terminals of the dwarf voltage power source (14) in the space between the end wall (3) and the insulating washer (9) so that the charges of the neighboring scattering electrode wires (12) are of the same name.
- redox processes are played as the first phase of the chemical conversion. These also result in an effective reduction of approx. in the ratio of 5 to 1 of the concentration.
- the component of the ion velocity perpendicular to the axis is considerably greater than the axis-oriented average velocity of the polluted air in the active zone.
- the double shell on the surface of the bacteria is broken, the plasma of the bacteria is injured and the living organism dies.
- the air thus partially cleaned passes through the sieve (7) and through the support tube (8) into the filter insert (16).
- the dust in the air coagulates and the maximum value of the dust distribution curve is shifted upwards by at least one order of magnitude from the biologically most vulnerable zone.
- the filtering time of the dust filter paper of the already known gas filter insert is significantly increased, i.e. the so-called breakthrough time is increased. If e.g. If the breakthrough time is increased by a ratio of 10 to 1, the user of the gas mask can wear the gas filter for 20 hours instead of the previously generally permitted two hours, i.e. he can spend ten times as much time on the soiled area than before.
Landscapes
- Electrostatic Separation (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/540,620 US20060016338A1 (en) | 2002-12-27 | 2003-12-23 | Air purifier for purifying the air drawn out of a space containing polluted air and into a space that is sealed off in an air-tight manner |
AU2003290376A AU2003290376A1 (en) | 2002-12-27 | 2003-12-23 | Air-purifier for purifying the air drawn out of a space containing polluted air and into a space that is sealed off in an air-tight manner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUP0204505 | 2002-12-27 | ||
HU0204505A HU226102B1 (en) | 2002-12-27 | 2002-12-27 | Air-purifier for purifying the air drawn out of a space containing polluted air and into a space that is sealed off in an air-tight manner |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004058408A1 true WO2004058408A1 (de) | 2004-07-15 |
Family
ID=89981029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/HU2003/000109 WO2004058408A1 (de) | 2002-12-27 | 2003-12-23 | Luftreinigende anlage zur reinigung der aus einem, die beschmutzte luft enthaltenen raum in einen luftdicht abgesperrten raum eingesaugten luft |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060016338A1 (de) |
AU (1) | AU2003290376A1 (de) |
HU (1) | HU226102B1 (de) |
WO (1) | WO2004058408A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY187379A (en) * | 2015-09-09 | 2021-09-22 | Creative Tech Corp | Air cleaner |
SE1750927A1 (en) * | 2017-07-14 | 2018-12-27 | Blueair Ab | Portable air treatment device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5997678A (ja) * | 1982-11-27 | 1984-06-05 | 塩田 真三 | 防煙マスク |
DE8705716U1 (de) * | 1987-03-12 | 1987-09-10 | Haufe, Paul J.M., 8878 Bibertal | Vorrichtung zur Aufbereitung, insbesondere Filtrierung, der Raumluft |
EP0367587A2 (de) * | 1988-11-01 | 1990-05-09 | Refaat A. Kammel | Dieselmotor-Abgasoxydierungseinrichtung |
US6497753B1 (en) * | 1998-08-20 | 2002-12-24 | Baltic Metalltechnik Gmbh | Electrostatic air cleaner |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1605648A (en) * | 1921-03-07 | 1926-11-02 | Milton W Cooke | Art of separating suspended matter from gases |
US1997729A (en) * | 1934-04-11 | 1935-04-16 | Research Corp | Electrical precipitator |
US2937709A (en) * | 1955-01-05 | 1960-05-24 | Electronatom Corp | Gas conditioner |
US3053029A (en) * | 1955-01-05 | 1962-09-11 | Electronatom Corp | Gas conditioner |
US3907520A (en) * | 1972-05-01 | 1975-09-23 | A Ben Huang | Electrostatic precipitating method |
FR2183635B1 (de) * | 1972-05-08 | 1975-06-13 | Vicard Pierre G | |
US3915676A (en) * | 1972-11-24 | 1975-10-28 | American Precision Ind | Electrostatic dust collector |
SE385271B (sv) * | 1974-02-13 | 1976-06-21 | Lectrostatic Ab | Elektrostatisk filter |
US4077785A (en) * | 1977-05-09 | 1978-03-07 | Research-Cottrell, Inc. | Corrosion resistant electrostatic precipitator |
DE3302851C2 (de) * | 1983-01-28 | 1986-02-06 | Metallgesellschaft Ag, 6000 Frankfurt | Mittelteil für einen Röhren-Elektroabscheider |
US5121601A (en) * | 1986-10-21 | 1992-06-16 | Kammel Refaat A | Diesel engine exhaust oxidizer |
US5474599A (en) * | 1992-08-11 | 1995-12-12 | United Air Specialists, Inc. | Apparatus for electrostatically cleaning particulates from air |
US6221136B1 (en) * | 1998-11-25 | 2001-04-24 | Msp Corporation | Compact electrostatic precipitator for droplet aerosol collection |
-
2002
- 2002-12-27 HU HU0204505A patent/HU226102B1/hu not_active IP Right Cessation
-
2003
- 2003-12-23 US US10/540,620 patent/US20060016338A1/en not_active Abandoned
- 2003-12-23 AU AU2003290376A patent/AU2003290376A1/en not_active Abandoned
- 2003-12-23 WO PCT/HU2003/000109 patent/WO2004058408A1/de not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5997678A (ja) * | 1982-11-27 | 1984-06-05 | 塩田 真三 | 防煙マスク |
DE8705716U1 (de) * | 1987-03-12 | 1987-09-10 | Haufe, Paul J.M., 8878 Bibertal | Vorrichtung zur Aufbereitung, insbesondere Filtrierung, der Raumluft |
EP0367587A2 (de) * | 1988-11-01 | 1990-05-09 | Refaat A. Kammel | Dieselmotor-Abgasoxydierungseinrichtung |
US6497753B1 (en) * | 1998-08-20 | 2002-12-24 | Baltic Metalltechnik Gmbh | Electrostatic air cleaner |
Also Published As
Publication number | Publication date |
---|---|
HU226102B1 (en) | 2008-04-28 |
HU0204505D0 (en) | 2003-02-28 |
US20060016338A1 (en) | 2006-01-26 |
AU2003290376A1 (en) | 2004-07-22 |
HUP0204505A2 (hu) | 2004-09-28 |
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