WO2025189231A1 - Système de traitement d'air - Google Patents

Système de traitement d'air

Info

Publication number
WO2025189231A1
WO2025189231A1 PCT/AU2025/050215 AU2025050215W WO2025189231A1 WO 2025189231 A1 WO2025189231 A1 WO 2025189231A1 AU 2025050215 W AU2025050215 W AU 2025050215W WO 2025189231 A1 WO2025189231 A1 WO 2025189231A1
Authority
WO
WIPO (PCT)
Prior art keywords
purifier
air
sleeve
air purifier
inner cavity
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.)
Pending
Application number
PCT/AU2025/050215
Other languages
English (en)
Inventor
Julio FRANCIS CLAR
Nicholas Liam Johnstone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Breathesafe Pty Ltd
Original Assignee
Breathesafe Pty Ltd
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
Priority claimed from AU2024900635A external-priority patent/AU2024900635A0/en
Application filed by Breathesafe Pty Ltd filed Critical Breathesafe Pty Ltd
Publication of WO2025189231A1 publication Critical patent/WO2025189231A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0013—Modules
    • 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
    • B01D46/88—Replacing filter elements
    • 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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2422—Mounting of the body within a housing
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2455—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the whole honeycomb or segments
    • 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
    • B01D46/4236—Reducing noise or vibration emissions
    • 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
    • B01D46/58—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 parallel
    • 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
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0415—Details of supporting structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/307—Filtering elements contained in an insert body mounted in a filter housing (double casing), e.g. to avoid contamination when removing or replacing the filter element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/34—Specific shapes
    • B01D2253/342—Monoliths
    • B01D2253/3425—Honeycomb shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
    • B01D2267/30—Same type of filters
    • 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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B01D46/0006—Filter elements or cartridges installed in a drawer-like manner
    • 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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B01D46/2414—End caps including additional functions or special forms
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418—Honeycomb filters
    • B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
    • B01D46/2476—Monolithic structures

Definitions

  • the present invention generally relates to an air treatment system.
  • the present invention relates to air treatment systems and air purifiers for use in air treatment systems employed at hazardous work sites.
  • Air treatment systems are essential equipment at hazardous work sites to maintain air quality, enhance the performance of machinery and equipment, and ensure personnel safety. These systems use a combination of air filters and air purifiers to remove hazardous chemicals, gases, and particulates from the air. The treated air is subsequently circulated into the local environment, designated enclosed spaces, or personnel-occupied spaces.
  • the air purifiers used in these air treatment systems are susceptible to damage from sudden exposure to mechanical shock from unexpected forces from the local environment and/or prolonged exposure to vibration forces transmitted from the housing of the air treatment system.
  • the accumulated damage will eventually result in the compromising of the structural integrity of the air purifiers, leading to a significant impact on the overall efficiency and longevity of the air treatment systems.
  • Each air purifier may be reinforced with a frame made from metal or plastic. These frames assist with holding the shape of the air purifier and may provide a physical barrier to potentially mitigate damage from external impact forces. However, the frame is unlikely to adequately dissipate, isolate, or reduce shock and vibrational forces.
  • each purifier element of the air purifier may have a protective surface coating.
  • the surface coating may assist the purifier element to withstand mechanical shock and vibrational forces.
  • the coatings will negatively affect the adsorption properties of the air purifier element.
  • air treatment systems are often only configured with air purifiers to filter out impurities in air that are specific to a particular environment. This can lead to difficulties in configuring air treatment systems to deal with a range of environments having a number of different impurities present in the air to be filtered.
  • the invention relates to an air purifier, comprising: a plurality of purifier elements, each purifier element having a first flow face and a second flow face, the first flow face being located opposite the second flow face; and a sleeve comprising an outer wall and a plurality of partition walls defining a plurality of cells for resiliently holding the plurality of purifier elements; wherein each cell has a pair of openings located at a top and a base of the sleeve, the pair of openings defining a flow path for air to pass through the first flow face and the second flow face of each purifier element; and wherein the wall portion is configured to reduce the transmission of shock and vibration to each purifier element.
  • the outer wall is further configured to dampen shock and vibration induced from an external source.
  • the sleeve is configured with a plurality of connecting elements located at the top of the sleeve adapted to resiliently hold the base of another air purifier.
  • the sleeve is configured with a projecting rim located at the top of the sleeve.
  • the projecting rim extends above the height of the top surface of the sleeve defining a recess, the recess configured to resiliently hold the base of another air purifier.
  • the sleeve is manufactured as a single piece.
  • the sleeve is made from a natural elastomer or a synthetic elastomer.
  • the sleeve is made from a natural rubber or a synthetic rubber.
  • each purifier element is configured as a monolith.
  • the plurality of channel walls are each configured with a high surface area.
  • the plurality of channel walls is chemically treated to increase surface area.
  • the monolith is made from a porous material.
  • the monolith is made from an activated carbon feedstock or a blended activated carbon feedstock.
  • each purifier unit is configured with a honeycomb structuring having a plurality of channel walls defining a plurality of polygonal channels, the polygonal channels extending from a first flow face of each purifier unit to a second flow face of each purifier unit.
  • FIG 1 shows a perspective view of one embodiment of an air purifier
  • FIG 2 shows a top view of a purifier element of the air purifier
  • FIG 3 shows a perspective view of a sleeve of the air purifier
  • FIG 5 shows a perspective view of an air purifier according to a further embodiment of the invention.
  • FIG 6 shows a section view of an air treatment system having a pair of air purifiers located between a pair of air filters;
  • FIG 7 shows a perspective view of an air purifier according to a further embodiment of the invention.
  • FIG 8 shows a perspective view of an air purifier according to a further embodiment of the invention.
  • FIG 9A shows an exploded perspective view of an air purifier according to a further embodiment of the invention.
  • FIG 9B shows a sectional perspective view of the air purifier shown in FIG 9A;
  • FIG 10A shows an exploded perspective view of an air purifier according to a further embodiment of the invention.
  • FIG 10B shows a sectional perspective view of the air purifier shown in FIG 10A.
  • the present invention relates generally to an air treatment system and an air purifier for use in an air treatment system located at a work site having a hazardous environment, such as a construction site, a chemical processing site, a mine site, a material recycling site, and a waste landfill site.
  • the air treatment system may be mounted to a moving vehicle or may be operated for a prolonged period.
  • the air purifier described may be employed in an air treatment system at other locations and is not intended to be limited to the examples and embodiments described below.
  • FIGs 1 to 4 show an embodiment of an air purifier 10 for use in an air treatment system according to a further embodiment of the invention. Air treatment system is discussed in greater detail below.
  • Air purifier 10 is comprised of a plurality of purifier elements 12a, 12b, 12c, 12d configured, in the embodiment, as four polygonal prisms having a quadrant shape, and a sleeve 14 in the form of a cylinder in the embodiment shown in FIGs 1 to 4.
  • the plurality of purifier elements 12a, 12b, 12c, 12d are removably located within the sleeve 14 as shown and described in greater detail below.
  • each of purifier elements 12a, 12b, 12c, 12d within sleeve 14 enables only one of purifier elements 12a, 12b, 12c, 12d to be removed and replaced in circumstances of damage to that purifier element. This is advantageous as it reduces the cost of replacement compared with a single purifier element that fills the entire inner cavity of the sleeve.
  • air purifier 10 could be configured with purifier elements 12 and sleeve 14 having different shapes and volumes to that shown in the embodiment of FIGS 1 to 4.
  • the air purifier 10 may also be comprised of any number of purifier elements each having different shapes from one another. Additionally, in other embodiments, the sleeve may be configured with a different shape and volume that still facilitates the insertion of the associated purifier elements.
  • FIG 5 shows a perspective view of an air purifier 10 according to a further embodiment of the invention.
  • Air purifier 10 is comprised of a plurality of purifier elements 12 configured with several shape profiles including square 12e, quadrants 12f, 12g, 12h, 12i, and semi-squares 12j, 12k, 121, 12m having three straight sides and one curved side.
  • the sleeve 14 of the air purifier 10 of this embodiment is configured as a cylinder.
  • the air purifier 10 is comprised of a plurality of purifier elements configured as cubes, and the sleeve is configured as a rectangular prism.
  • the plurality of purifier elements 12a, 12b, 12c, 12d are solid shapes and each have a first flow face 30 located on an end of each purifier element and a second flow face 40 located on an opposing side of purifier element to create a flow path from the first flow face 30 to the second flow face 40 through the respective purifier element 12.
  • the plurality of purifier elements 12a, 12b, 12c, 12d are in the form of a monolith or a cartridge holding material suitable for the at least partial capture and removal of contaminants from a gas in the form of air.
  • the sleeve 14 is comprised of an outer wall 16 forming an inner cavity 16a and a plurality of partition walls 18a, 18b, 18c, 18d extending within the inner cavity 16a from an inner face of outer wall 16 to define a plurality of cells 20a, 20b, 20c, 20d within the inner cavity 16a as shown.
  • Sleeve 14 also has a pair of openings 22 and 24 which, in the embodiment, are located on on opposing sides of sleeve 14 and open into inner cavity 16a of sleeve 14.
  • the pair of openings 22, 24 defines a flow path for air to pass from one opening to the opposing opening through inner cavity 16a.
  • each purifier element 12a, 12b, 12c, 12d is removably located with a respective cell 20a, 20b, 20c, 20d of inner cavity 16a, a flow path is defined from an opening to an opposing opening of sleeve 14 through each purifier element 12a, 12b, 12c, 12d.
  • each cell 20a, 20b, 20c, 20d is adapted to removably receive a respective purifier element 12a, 12b, 12c, 12d such that the purifier elements 12a, 12b, 12c, 12d are disposed in the flow path between the pair of openings 22, 24.
  • each cell 20a, 20b, 20c, 20d is shaped to fit a corresponding purifier element 12a, 12b, 12c, 12d to enable a tight fit to removably locate each purifier element 12a, 12b, 12c, 12d within a respective cell 20a, 20b, 20c, 20d of inner cavity 16a.
  • each purifier element 12a, 12b, 12c, 12d is removably located within a respective cell 20a, 20b, 20c, 20d of inner cavity 16a by way of an interference fit to thereby securely locate the purifier elements therein.
  • Other suitable mechanical and chemical location means may be employed in other embodiments of the invention.
  • each purifier element 12 when each purifier element 12 is removably located within a respective cell 20 of inner cavity 16a, each first flow face 30 is located proximal opening 22 and each flow face 40 is located proximal opening 24 to thereby provide that the flow path through inner cavity 16a from opening 22 to opening 24 is through purifier elements 12.
  • the air purifier 10 may be configured to be stackable with other air purifiers 10 as well as air filters 22 as shown in FIG 6. This advantageously allows the air purifier 10 to be used in an air treatment system 240 allowing for tailored filtration and purification based upon the contaminants found in the air in a particular environment.
  • the air treatment system 240 has an adjustable pressuriser housing 26 configured to securely locate therein any suitable combination of four air purifiers and/or filters.
  • two air purifiers 10a, 10b are located within adjustable pressuriser housing 26 between a pair of air filters 52a, 52b sequentially along the flow path of the air treatment system.
  • the first air filter 52a is located at an intake of the modular air treatment system 240 and is configured to capture and filter particulates above a predetermined particle size from the air flow. The air subsequently passes through the pair of air purifiers 10a, 10b removing selected chemical contaminants.
  • the second air filter 52b is configured to capture any particulates that may have been introduced to the air flow by damaged air purifiers 10.
  • the adjustable housing 26 of air treatment system 240 is configured to locate therein a combination of eight air purifiers and/or filters.
  • six air purifiers 10 are located sequentially along the flow path of the air treatment system and between a pair of air filters. This embodiment is particularly advantageous in environments with high levels of contaminants as the increase volume of adsorbent material provided by the filter elements 12 of each consecutive air purifier 10, combined with the increased length of travel of the air through the consecutive air purifiers tends to maximise residence time and ensures an increase in capture and removal of contaminants from the air in the flow path.
  • the sleeve 14 of air purifier 10 is configured to removably receive purifier elements 12a, 12b, 12c, 12d within respective cells 20a, 20b, 20c, 20d of inner cavity 16a. Furthermore, sleeve 14 is configured to at least partially dampen the effects of mechanical shock and vibration forces on purifier elements 12a, 12b, 12c, 12d.
  • the outer wall 16 is configured to at least cushion, dampen and/or dissipate mechanical shock and vibration forces on the purifier elements 12a, 12b, 12c, 12d introduced from an external source, such as a sudden impact from the air treatment system being dropped or the vibrations created from the running of the fan motor of the air treatment system.
  • the outer wall also serves to reduce the vibrations and shocks generated in systems fitted to vehicles that move over rough terrain. For instance, by earth-moving vehicles in mining and construction environments.
  • the plurality of partition walls 18 extending within inner cavity 16a from outer wall 16 to create cells 20a, 20b, 20c, 20d serves to create structural support to outer wall 16 to reduce distortions of that wall introduced by forces on outer wall 16. Additionally, the plurality of partition walls 18a, 18b, 18c, 18d reduces the transfer of mechanical shock and vibration forces between each purifier element 12a, 12b, 12c, 12d as cells 20 isolate each purifier element 12 from each other.
  • the outer wall 16 is configured to have a thickness that is substantially larger than the plurality of partition walls 18a, 18b, 18c, 18d, providing higher inherent damping, deflection capacity, and energy storage. This enables the outer wall 16 to absorb and/or dissipate mechanical shock and vibration forces before the reduced shock and vibration forces reach the plurality of purifier elements 12a, 12b, 12c, 12d.
  • the sleeve 14 may be configured with a projecting rim 70 located at the top of the sleeve 14.
  • the projecting rim 70 advantageously assists with the manual insertion and removal of any purifier elements 12a, 12b, 12c, 12d as it allows for easier manual handling by personnel.
  • the projecting rim 70 acts as a flange for securing the air purifier 10 into adjustable housing 26 of air treatment system.
  • the projecting rim 70 may be configured with a connecting element configured to couple with an end of another air purifier or an air filter, enabling the stable stacking of several air purifiers 10 and/or air filters in an adjustable housing 26 of air treatment system 240.
  • the projecting rim 70 may be configured with a plurality of vertical projections that act as fastening clips to secure the sleeve 12 of another air purifier when it abuts an end of the air purifier 10.
  • the projecting rim 70 may extend above the height of an end of the sleeve 14, defining a recess.
  • the recess is of a sufficient depth and diameter to resiliently hold another air purifier or an air filter.
  • the projecting rim 70 is made from a material having a compression force that enables it to maintain a sufficient sealing line of contact within the housing of an air treatment system.
  • the material preferably has a low permeability, disallowing the transfer of gas through the sleeve 14.
  • the entirety of the sleeve 14 is preferably manufactured as a single piece, using manufacturing processes such as extrusion or casting using moulds.
  • the outer wall 16 and the plurality of partition walls 18a, 18b, 18c, 18d may be manufactured using different materials having physical properties best suited for damping, dissipating, and/or isolating mechanical shock and vibration forces.
  • the sleeve 14 is made from a natural elastomer or a synthetic elastomer. In a more preferred embodiment, the sleeve 14 is made from a natural rubber or a synthetic rubber.
  • the plurality of purifier elements 12a, 12b, 12c, 12d is configured to remove contaminants, such as gases, odours, and volatile organic compounds, from the air of the worksite via adsorption.
  • the purifier elements may be configured as a monolith made from adsorbent material or as a cartridge comprising a housing for storing adsorbent material.
  • the adsorbent material is preferably a material having high selectivity, high adsorption capacity, and a low material cost.
  • the plurality of purifier elements 12a, 12b, 12c, 12d are configured as monoliths having a honeycomb structure.
  • the honeycomb structure provides a plurality of channel walls 28a arranged in a grid structure in cross section defining a plurality of polygonal channels 28 with a square shape in cross section.
  • the polygonal channels 28 extend through the relevant purifier element from the first flow face 30 to the second flow face 40.
  • These polygonal channels 28 collectively define the flow path through each purifier element 12a, 12b, 12c, 12d for the air to pass through from the first flow face 30 to the second flow face 40.
  • the plurality of polygonal channels 28 may have any suitable polygonal shape in cross section, such as hexagonal, square, and triangular shapes.
  • the channel walls 28 are suitably configured with a high surface area in the direction of the flow path.
  • the high surface area is provided by the monolith being made from a highly porous material and/or the monolith being chemically and/or thermally treated.
  • Chemical treatment may involve the use of solvents, to etch/create imperfections in the surface of the channel walls thereby artificially creating additional surface area. Additionally, chemical treatment may include dipcoating to infer additional physiochemical properties such as adjusting the adsorption capacity or selectivity to target specific contaminants.
  • an air treatment system is provided with at least two air purifiers.
  • the purifier elements of the first air purifier are treated with a first chemical to selectively target a first contaminant.
  • the purifier elements of the second air purifier are treated with a second chemical to selectively target a second contaminant.
  • the air treatment system is able to be selectively configured with a plurality of air purifiers with at least two air purifiers in the plurality of air purifiers being adapted to target different contaminant. This allows the air treatment system of the invention to be adapted to treat different contaminant mixes in various environments.
  • Thermal treatment in the form of heating at elevated temperatures with or without chemical agents, assists in increasing pore size and creating new pores. This enables the purifier elements to be manufactured for a specific environment or use case.
  • the purifier elements are manufactured by extrusion of a slurry comprising a powdered feedstock and agglomerating agent.
  • the powdered feedstock is activated carbon or a blended activated carbon.
  • the powdered feedstock is alumina, clay, cordierite, mullite, zeolite, or a blend. Additionally, additives and admixtures may be introduced during the manufacturing/mixing process to impart additional physiochemical properties beneficial to the adsorption characteristics of the purifier elements.
  • purifier elements of the invention are removably locating respective cells and no single purifier element extends across the entire cross section of the inner cavity of the sleeve, if damage occurs to the purifier element during the extrusion process, or in use, only that purifier element need be replaced. This reduces the manufacturing costs and operating costs.
  • the plurality of purifier elements is comprised of a housing that contains adsorbent material.
  • the housing has the first flow face and the second flow face allowing air flow to pass straight through the housing and through the adsorbent material contained within.
  • the adsorbent material may be of any shape and volume that can be contained within the housing. However, it would be appreciated by the person skilled in the art that the adsorbent material is finely powdered to increase its surface area.
  • FIG 7 shows a perspective view of an air purifier 1010 according to a further embodiment of the invention.
  • the air purifier 1010 is formed from a sleeve 1014.
  • the sleeve 1014 is comprised of an outer wall 1016 forming an inner cavity 1016a and a plurality of partition walls 1018 extending within the inner cavity 1016a to define a plurality of cells 1020 within the inner cavity 1016 as shown.
  • sleeve 1014 has a pair of openings 1022 and 1024 which, in the embodiment, are located on opposing sides of sleeve 1014 and open into inner cavity 1016a of sleeve 1014.
  • the pair of openings 1022, 1024 defines a flow path for air to pass from one opening to the opposing opening through inner cavity 1016a.
  • a flow path is defined from an opening to an opposing opening of sleeve 1014 through each purifier element 1012.
  • each cell 1020 is adapted to removably receive a respective purifier element 1012 such that the purifier elements 1012 are disposed in the flow path between the pair of openings 1022, 1024.
  • the air purifier 1010 also has a tab 1 1 18 extending outwardly from each partition wall 1018. Tabs 11 18 assist in providing a grip point to assist with the installation and removal of the air purifier 1010 from the adjustable pressuriser housing 26 of the air treatment system 240 in which it is utilised.
  • FIG 8 shows a perspective view of an air purifier 2010 according to a further embodiment of the invention.
  • the air purifier 2010 is formed from a sleeve 2014.
  • the sleeve 2014 is comprised of an outer wall 2016 forming an inner cavity 2016a and a plurality of partition walls 2018 extending within the inner cavity 2016a to define a plurality of cells 2020 within the inner cavity 2016a as shown.
  • sleeve 2014 has a pair of openings 2022 and 2024 which, in the embodiment, are located on opposing sides of sleeve 2014 and open into inner cavity 2016a of sleeve 2014.
  • the pair of openings 2022, 2024 defines a flow path for air to pass from one opening to the opposing opening through inner cavity 2016a.
  • a flow path is defined from an opening to an opposing opening of sleeve 2014 through each purifier element 2012.
  • each cell 2020 is adapted to removably receive a respective purifier element 2012 such that the purifier elements 2012 are disposed in the flow path between the pair of openings 2022, 2024.
  • the outer wall 2016 of sleeve 2014 has a series of ribs 2116 extending circumferentially around the outer wall 2016 to give the outer wall a corrugated profile.
  • This profile of the outer wall 2016 reduces the contact area between the outer wall 2016 and the inner surface of the adjustable pressuriser housing 26 of the air treatment system 240 in which it is utilised. In this way, the inventors have found that this reduced contact area facilitates easier removal of the air purifier 2010 from the adjustable pressuriser housing 26.
  • FIG 9A shows an exploded perspective view of an air purifier 3010 according to a further embodiment of the invention and FIG 9B shows a sectional perspective view of air purifier 3010.
  • the air purifier 3010 is formed from a sleeve 3014.
  • the sleeve 3014 is comprised of an outer wall 3016 forming an inner cavity 3016a and a plurality of partition walls 3018 extending within the inner cavity 3016a to define a plurality of cells 3020 within the inner cavity 3016a as shown.
  • sleeve 3014 has a pair of openings 3022 and 3024 which, in the embodiment, are located on opposing sides of sleeve 3014 and open into inner cavity 3016a of sleeve 3014.
  • the pair of openings 3022, 3024 defines a flow path for air to pass from opening 3022 to the opposing opening through inner cavity 3016a.
  • each purifier element 3012 when each purifier element 3012 is removably located within a respective cell 3020 of inner cavity 3016a, a flow path is defined from opening 3022 to opening 3024 of sleeve 3014 through each purifier element 3012.
  • each cell 3020 is adapted to removably receive a respective purifier element 3012 such that the purifier elements 3012 are disposed in the flow path between the pair of openings 3022, 3024.
  • the air purifier 3010 further comprises a particulate filter unit 3100 removably secured within inner cavity 3016a adjacent opening 3024 of sleeve 3014.
  • Particulate filter unit 3100 comprises a frame 31 10 and a particulate filtration medium 3120 disposed within frame 31 10.
  • Particulate filtration medium 3120 is suitably formed from any medium to filter particulate matter from the flow path.
  • particulate filtration medium 3120 is formed from paper.
  • particulate filtration medium 3120 is formed from fiberglass.
  • Particulate filtration unit 3100 is removably secured within cavity 3016a of sleeve 3014 through any suitable mechanical or chemical means.
  • Air purifier 3010 having particulate filtration unit 3100 removably secured within inner cavity 3016a adjacent opening 3024 of sleeve 3014 is particularly advantageous as air purifier 3010 also removes particulate matter that may detach from purifier elements 3012 given that the particulate filtration unit 3100 is located downstream in the flow path from the purifier elements 3012.
  • FIG 10A shows an exploded perspective view of an air purifier 4010 according to a further embodiment of the invention and FIG 10B shows a sectional perspective view of air purifier 4010.
  • air purifier 4010 also has a particulate filtration unit 4200 removably secured within inner cavity 3016a adjacent opening 3022 of sleeve 3014.
  • This embodiment is particularly advantageous as particulate filtration unit 4200 also removes particulate matter from the air flow prior to that air flow passing through the purifier elements 4012.

Landscapes

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

Abstract

L'invention concerne un purificateur d'air comportant un manchon comprenant une paroi externe formant une cavité interne. Le manchon comporte une pluralité de parois de séparation s'étendant à l'intérieur de la cavité interne pour ainsi définir une pluralité de cellules à l'intérieur de la cavité interne. Le manchon comporte également une paire d'ouvertures situées sur des côtés opposés du manchon pour définir ainsi une voie d'écoulement d'une ouverture à l'autre ouverture. En outre, chaque cellule est conçue pour recevoir de manière amovible un élément de purificateur de sorte que les éléments de purificateur soient disposés dans la voie d'écoulement entre la paire d'ouvertures.
PCT/AU2025/050215 2024-03-11 2025-03-07 Système de traitement d'air Pending WO2025189231A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2024900635A AU2024900635A0 (en) 2024-03-11 Air Purifier
AU2024900635 2024-03-11

Publications (1)

Publication Number Publication Date
WO2025189231A1 true WO2025189231A1 (fr) 2025-09-18

Family

ID=97062587

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2025/050215 Pending WO2025189231A1 (fr) 2024-03-11 2025-03-07 Système de traitement d'air

Country Status (1)

Country Link
WO (1) WO2025189231A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000050149A1 (fr) * 1999-02-26 2000-08-31 Donaldson Company, Inc. Systeme d'etancheite pour filtre
WO2000050152A1 (fr) * 1999-02-26 2000-08-31 Donaldson Company, Inc. Filtre a air, filtre et procede
US20050235615A1 (en) * 2001-04-11 2005-10-27 William Nyman Filter assemblies and systems for intake air for fuel cells
US20070193236A1 (en) * 2006-02-17 2007-08-23 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US20170341762A1 (en) * 2016-05-31 2017-11-30 The Boeing Company Air purification system and method of assembling
US10065142B2 (en) * 2011-03-31 2018-09-04 Hyundai Motor Company Sealed honeycomb structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000050149A1 (fr) * 1999-02-26 2000-08-31 Donaldson Company, Inc. Systeme d'etancheite pour filtre
WO2000050152A1 (fr) * 1999-02-26 2000-08-31 Donaldson Company, Inc. Filtre a air, filtre et procede
US20050235615A1 (en) * 2001-04-11 2005-10-27 William Nyman Filter assemblies and systems for intake air for fuel cells
US20070193236A1 (en) * 2006-02-17 2007-08-23 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US10065142B2 (en) * 2011-03-31 2018-09-04 Hyundai Motor Company Sealed honeycomb structure
US20170341762A1 (en) * 2016-05-31 2017-11-30 The Boeing Company Air purification system and method of assembling

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