WO2009135464A1 - Filtersystem für strassentunnel oder flughafenterminals - Google Patents
Filtersystem für strassentunnel oder flughafenterminals Download PDFInfo
- Publication number
- WO2009135464A1 WO2009135464A1 PCT/DE2009/000595 DE2009000595W WO2009135464A1 WO 2009135464 A1 WO2009135464 A1 WO 2009135464A1 DE 2009000595 W DE2009000595 W DE 2009000595W WO 2009135464 A1 WO2009135464 A1 WO 2009135464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- filter system
- air
- sorption
- quick
- Prior art date
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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D46/71—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 with pressurised gas, e.g. pulsed air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
- F24F8/99—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes for treating air sourced from urban areas, e.g. from streets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
Definitions
- the supply air from airport terminals must be sucked in the vicinity of the runways.
- This ambient air has the same negative characteristics as tunnel exhaust air.
- the dedusting of the exhaust gases and the abrasion of vehicles and aircraft fine dust and the nitrogen oxides in a process is the object of this invention.
- a known method is deposition by electrostatic deposition (EP 1 039 963 B1) in which the fine dust particles are deposited by pre-ionization and electrostatic precipitation methods. By adding ozone, the NO is to be converted into NO 2 and adsorbed in the downstream activated carbon filter.
- GB1395980A a filter system is described, which can reliably filter particulate matter from air streams, but no NOx.
- the sorption filter should not be flammable
- Filter system for cleaning the tunnel exhaust air and air for road tunnels
- Filter system for cleaning the supply air at airport terminals
- the exhaust air is conveyed through one or more fans through an exhaust duct into the open air.
- a known tunnel ventilation with the aforementioned features is subject to the disadvantage that the air flow is due to lack of suitable filtration significantly contaminated with fine dust and nitrogen oxides.
- the object of the invention is to provide a filter system for road tunnels or Zu Kunststoffsysteme for airport terminals, which retains the particulate matter and nitrogen oxides in the air flow and is equipped with a cleaning device that automatically cleans the filter elements during operation to allow continuous operation.
- the invention relates to a ventilation system with a built-in air duct (6) self-cleaning filter system for cleaning the fan (1) generated air flow of fine dust and nitrogen oxides.
- This object is achieved according to the filter system, which consists of several filter elements (5) is installed in the ventilation ducts of road tunnels or airport vents.
- two fast-closing valves (4) can be attached to the clean gas chamber (2) on each filter element on the clean gas side.
- the quick-closing valves are with the compressed air tank (3), which is acted upon with compressed air, and an electric
- the dust-laden air sucked into the exhaust duct is sucked through the filters (or pressed when installed after the fan) and the fine dust contained in the raw gas is retained on the surface of the filter elements.
- the next filter element is cleaned off, etc.
- the fine dust falls down into the dust funnel (7).
- the sorption filter must clean very large air volumes and allow very low flow velocities. In addition, no sorption material should be emitted by mechanical loads.
- the sorbent should be included in double-walled filter cartridges, which are periodically replaced with its contents.
- the introduction of the sorbent material into individual cartridges ensures a high inflow surface and constant filter loading over the entire height.
- the sorbent material consists of permanganate-enriched clay.
- the permanganate is very reactive and requires short reaction times (contact time ⁇ 0.5 sec).
- the deposition of NO takes place here by conversion into saltpetre and is, in the. Bound carrier material. This bond is not reversible, ie when the temperature increases, the bound NO x is not released again (no desorption).
- the medium consumption can be limited to six times the amount of nitrogen oxide to be separated each year, thus ensuring a one-year maintenance interval with acceptable amounts of sorbent material.
- the use of the filter system in road tunnels or air supply systems for airport terminals reliably reduces the amount of dust and nitrogen oxide in the air stream.
- the present invention provides a filter system for exhaust air from road tunnels or supply air for airport terminals with multiple, in the ventilation duct (6) installable filter elements (5) for cleaning the air flow of particulate matter, the filter system having quick-closing valves (4), which quick-closing valves in the Clean gas chamber (2) are attachable and which quick-closing valves with compressed air from the compressed air tank (3) are automatically cleaned, and wherein the filter system comprises a sorption filter (8) for the deposition of gaseous pollutants.
- the sorption filter is designed such that it is connected downstream of the filter elements for cleaning the air flow of fine dust in the flow direction of the air stream to be cleaned.
- the sorption filter is designed such that it is connected upstream of the filter elements for cleaning the air flow of fine dust in the flow direction of the air stream to be cleaned.
- the sorption filter comprises a mixture of activated alumina and a permanganate.
- the permanganate is preferably potassium permanganate (KMnO 4 ) or sodium permanganate (NaMnO 4 ), more preferably sodium permanganate (NaMnO 4 ).
- the sorption filter is in the form of at least one, typically a plurality of, double-walled, air-permeable filter cartridges, preferably filled with a mixture comprising, preferably consisting of activated clay / P manganate.
- the filter cartridges have a packed bed depth of at least 7 cm. These packed bed depths ensure a minimum contact time of the sorption material with the air flow to be cleaned of 0.2 s.
- the filter system according to the invention has at least 1 filter cartridge per 1000 m 3 / h of air stream to be cleaned. This ensures acceptable filter resistance.
- the sorption filter comprises a sorption material, which sorption material comprises a mixture of activated alumina and a permanganate.
- the sorption filter comprises a sorption material, which sorption material, in particular for optimizing the storage capacity for nitrogen oxides, with 8-16% NaMnO 4 , preferably with 10-14% NaMnO 4 , and particularly preferably with 12% Gewichstan too NaMnO 4 is enriched.
- the filter elements are incorporated in filter cartridges.
- the filter elements consist of multiply folded fabric filter elements.
- the filter cartridges consist of multiply folded filter fabrics, fixed by support baskets.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009001671T DE112009001671A5 (de) | 2008-05-05 | 2009-05-04 | Filtersystem für Strassentunnel oder Flughafenterminals |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008022179 | 2008-05-05 | ||
DE102008022179.1 | 2008-05-05 | ||
DE102008039994.9 | 2008-08-27 | ||
DE102008039994A DE102008039994A1 (de) | 2008-05-05 | 2008-08-27 | Filtersystem für Strassentunnel oder Flughafenterminals |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009135464A1 true WO2009135464A1 (de) | 2009-11-12 |
Family
ID=41212690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2009/000595 WO2009135464A1 (de) | 2008-05-05 | 2009-05-04 | Filtersystem für strassentunnel oder flughafenterminals |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102008039994A1 (de) |
WO (1) | WO2009135464A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015128514A1 (es) * | 2014-02-27 | 2015-09-03 | Knorr-Bremse España, S.A. | Sistema de filtracion auto-limpiante para instalaciones de climatizacion ferroviarias |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4440489A1 (de) * | 1994-11-12 | 1996-05-23 | Inst Luft Kaeltetech Gem Gmbh | Vorrichtung zur kombinierten Abscheidung von festen und gasförmigen Schadstoffen |
US5678576A (en) * | 1995-01-06 | 1997-10-21 | Nazaroff; William W. | Apparatus for treating environmental tobacco smoke (ETS) particle and gas-phase contaminants |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816979A (en) | 1971-12-22 | 1974-06-18 | Torit Corp | Method and apparatus for cleaning tube type fabric filters |
DE19846320C1 (de) | 1998-10-08 | 2000-06-29 | Dickels Karl | Vorrichtung zur Abscheidung von Stickoxiden und Partikeln aus einem Gasstrom |
-
2008
- 2008-08-27 DE DE102008039994A patent/DE102008039994A1/de not_active Withdrawn
-
2009
- 2009-05-04 DE DE112009001671T patent/DE112009001671A5/de not_active Withdrawn
- 2009-05-04 WO PCT/DE2009/000595 patent/WO2009135464A1/de active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4440489A1 (de) * | 1994-11-12 | 1996-05-23 | Inst Luft Kaeltetech Gem Gmbh | Vorrichtung zur kombinierten Abscheidung von festen und gasförmigen Schadstoffen |
US5678576A (en) * | 1995-01-06 | 1997-10-21 | Nazaroff; William W. | Apparatus for treating environmental tobacco smoke (ETS) particle and gas-phase contaminants |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015128514A1 (es) * | 2014-02-27 | 2015-09-03 | Knorr-Bremse España, S.A. | Sistema de filtracion auto-limpiante para instalaciones de climatizacion ferroviarias |
Also Published As
Publication number | Publication date |
---|---|
DE112009001671A5 (de) | 2011-04-07 |
DE102008039994A1 (de) | 2009-11-26 |
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