EP1921968B1 - Procede pour traiter la poussiere et dispositifs pour executer un tel procede - Google Patents

Procede pour traiter la poussiere et dispositifs pour executer un tel procede Download PDF

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Publication number
EP1921968B1
EP1921968B1 EP06777015A EP06777015A EP1921968B1 EP 1921968 B1 EP1921968 B1 EP 1921968B1 EP 06777015 A EP06777015 A EP 06777015A EP 06777015 A EP06777015 A EP 06777015A EP 1921968 B1 EP1921968 B1 EP 1921968B1
Authority
EP
European Patent Office
Prior art keywords
dust
treating
binding agent
added
particles
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.)
Not-in-force
Application number
EP06777015A
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German (de)
English (en)
Other versions
EP1921968A2 (fr
Inventor
Andre Bertram
Günther ENNEN
Jörg KINNIUS
Stefan Tiekötter
Dirk Wegener
Cornelius Wolf
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 DE200510041170 external-priority patent/DE102005041170B3/de
Priority claimed from DE200510047812 external-priority patent/DE102005047812A1/de
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to PL06777015T priority Critical patent/PL1921968T3/pl
Publication of EP1921968A2 publication Critical patent/EP1921968A2/fr
Application granted granted Critical
Publication of EP1921968B1 publication Critical patent/EP1921968B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/106—Dust removal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/102—Dust separators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1409—Rigid filtering receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/18—Liquid filters
    • A47L9/182—Separating by passing the air over a liquid bath
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/18—Liquid filters
    • A47L9/183—Spray cleaning

Definitions

  • the present invention relates to a method of treating dust in a vacuum cleaner. Moreover, the invention relates to various devices for carrying out such a method.
  • dust retention systems are used, which are usually arranged between the air inlet of a dust collection chamber and the suction side of a fan and hold back the absorbed dust before entering the fan.
  • the best known variant is a bag shaped filter which is internally pressurized, d. h., the dust settles inside the bag.
  • the bag is usually still downstream of a fine dust filter, which receives dust particles in the order of less than 2 microns, which pass through the bag. The removal of this dust content from the room air wins with the increasing number of people with allergies in importance, as these particles are respirable because of their small size and therefore lead to a health burden.
  • the bag When reaching the maximum capacity, which is about 400 grams, the bag must be replaced, this can be hygienic especially with closable bags, as the dust remains in the bag and is disposed of with this. Such replacement is required several times a year, depending on usage, and incurs costs. Also, the fine dust filter must be replaced after a certain period of use, but here are the intervals because of the small amount of fine dust larger, from the manufacturers, a replacement after about a year is recommended. Because of the small particle sizes, a small proportion by mass of fine dust is produced, which is why commercially available fine dust filters have a capacity of about 10 grams.
  • the dust is separated into at least two fractions, which differ by the size or mass of the dust particles, and a dust binder is added to a fraction, so that the dust is not only loosely deposited in a dust collection room, but experiences some bonding and cross-linking and during the emptying of the dust collecting space no turbulence takes place.
  • the burden of particulate matter, pathogenic particles or other pollutants is thereby reduced and the handling of the dust collection chamber, which must be emptied at regular intervals, becomes significantly more hygienic and the contents of the dust collection chamber can be used as a mixture, e.g. as lumps, to be disposed of at once.
  • the fraction whose dust particles are mostly smaller than the fraction to which a dust binder is added is then taken up by a fine dust filter. This avoids that particles of this fraction are returned to the room air and swirled there.
  • the dust is separated into three fractions, which differ by the size and / or mass of the dust particles, and a dust binder is added to the fraction with dust particles, which have a majority of medium size or mass.
  • the first fraction containing only coarse particles, can be emptied without any dusting even without binder. Therefore, a dust binder is needed only for the middle fraction. The amount required for binding can be significantly reduced compared to methods that collect the first two fractions in a container.
  • the facilities with which the dust is separated should be dimensioned so that the first fraction contains a majority of dust particles with a size of more than 200 microns, that the second fraction contains a majority of dust particles with a size between 200 microns and 30 microns and that a third fraction contains a majority of dust particles with a size of less than 30 microns.
  • Particles of the third fraction are still very large at 30 ⁇ m, which in turn causes a particulate matter filter with a very large absorption capacity. In this way, however, it is achieved that in the second fraction, even with a blurred separation, only very few respirable particulate matter particles are present. This ensures that users are not or only slightly at risk when emptying the container for the second fraction, even if they have decided against the use of a dust binder or forgot its addition.
  • a suitable fine dust filter should have at least a storage capacity of 200 grams. Since due to the separation limit of 30 microns relatively large and massive particles enter the fine dust filter, a commercial filter with a capacity of 10 grams would quickly exhausted. This would contradict the idea of a vacuum cleaner, which should require little or no consumables. For this reason, a filter capacity is selected which guarantees a service life of more than one year under normal usage conditions. In addition to the increased service life, the advantage of a low flow loss of only about 20% (at the end of the service life, based on the initial state) is achieved.
  • the use of such a filter is preferably carried out in a vacuum cleaner in which a dust binder for the next larger fraction is used. However, a use of such a filter is also possible without a dust binder, especially when the separation limits of the dust collecting container are so sharp that the next largest fraction contains no respirable particles.
  • the FIG. 1 shows purely schematically a vacuum cleaner 1 in longitudinal section.
  • the vacuum cleaner 1 has in a known manner a housing 2 which is divided into a fan chamber 3 and a dust collecting space 4.
  • the dust collecting space 4 is closed by a pivotable cover 5 and has a first opening 6 into which the coupling 7 of a suction hose 8 opens.
  • a suction tube not shown
  • SaugvorA also not shown
  • a second opening 9 is in the partition 10 between Dust collecting space 4 and 3 blower chamber arranged. Behind this opening 9 is a fine dust filter 11.
  • a motor fan 12 is arranged in the fan chamber 3, which is directed with its suction side to the fine dust filter 11 and the opening 9 and with its outlet side via further openings 18 - possibly with upstream filter (not shown) - connected to the ambient air 13.
  • a receiving space 14 for a device control and operating and display elements (see FIG. 3 ) arranged.
  • this is a centrifugal separator 20, the aforementioned variants Massenträgheitsabscheider or dust cassette are also conceivable.
  • the separator used is dimensioned such that a fraction is collected within the dust collection container, the majority of which are greater than 30 microns.
  • FIG. 2 shows the centrifugal separator 20 as a detail. It comprises a cyclone cone 21, which is provided with an air feed 22 and an air discharge 23.
  • the air supply 22 is in fluid communication with the opening 6, the air discharge 23 via the line 15 with the opening 9 (s. FIG. 1 ).
  • the cyclone cone 21 is inserted into a cylindrical container 24, which, as shown in the figure, can be divided into a tubular holder 25 and a dust collecting container 26 arranged underneath.
  • the sucked dust-laden air is set in the cyclone cone 21 in a rotational movement, so that according to the principle of centrifugal force of the coarse dust 17 is pressed against the outer wall and falls down into the dust collector 26. In the further airway then the fine dust is separated by the fine dust filter 11.
  • the container 26 is filled, which can be determined via fill level, pressure or dust quantity sensors or simply by measuring the switch-on times of the blower (not shown), this is indicated to the user via a display device 35 (see FIG. FIG. 3
  • FIG. 3 shows the top view of an inventively designed vacuum cleaner 1.
  • a control panel 30 next to the known control and display elements such as on / off switch 31, change indicator 32 for the fine dust filter 11, cable rewind button 33 and power controller 34 more elements provided, the function explained later is.
  • this may be the above-described display 35 for emptying the dust collector 26.
  • FIGS. 4 and 5 is activated to activate the change indicator from the EP 0 759 157 B1 known piezosensor used, which to the device control - symbolically indicated in the figure by the dashed box 36 - is a signal that correlates with the absorbed amount of dust.
  • the user can then do the Separate dust collector 26 from the rest of the centrifugal separator 20 and empty the coarse dust 17. This is where the invention begins:
  • a dust binder is added to this.
  • a dust-binding agent in the context of the invention is a one- or multi-component additive which is present in solid and / or liquid and / or gaseous phase, the phase being possibly variable in order to penetrate the sucked-up dust present in loose, unbound form mix and at least partially make a binding of the dust.
  • the dust binder is also intended to bind the fine dust, germs, bacteria, pollen and other pollutants present in the dust collector in order to avoid turbulence and the resulting burden on the user when disposed of.
  • the filled dust collection chamber can be emptied in a hygienic manner, without resulting in dusting.
  • Suitable dust-dispersing agents which can be used are suitably dispersible liquids, powders, foams, granules or solid, in particular tablet-shaped, pressed substances.
  • the dust binder fragrances, cleansing or germ-inhibiting substances may be added.
  • the addition of the dust binder in the dust collection container by means of a suitable device which is integrated either within the vacuum cleaner or in a suction attachment or is designed as an external apparatus with a receptacle for the dust collector.
  • Embodiments of dust collection containers are shown in which a dust binder is added and mixed with the dust.
  • a dust binder a liquid, powder, foam or granules can be used, mixed forms are conceivable. In particular, when using granules should this be added to a substance which improves the adhesion of the dust.
  • the dust-binding agent may be enriched with agents which have a cleaning action, for example by adding surfactants or similar cleaning-promoting substances. Bactericidal, bacteriostatic, and / or fungicidal agents may also be added to prevent microbial contamination within the dust collector. These properties are achieved, for example, by doping the material with silver ions.
  • fragrances can be used to make the handling of the dust collection room more pleasant.
  • agents for mixing dust and dust binder in particular when adding the agent at the beginning or at the end of the suction process or when added in an external apparatus.
  • mechanical or motor means can be used, which set the container in motion, rotation or vibration.
  • a dust amount sensor 41 is arranged in the air supply 22, which detects the amount of dust flowing through. Further, in the air supply 22, a metering device 42 for powder and / or granules as dust binder 43 is provided. The quantity detected by the dust quantity sensor 41 is passed on to the device control 36, and this causes, in the presence of an amount which requires emptying of the collecting container 26, that the dust binder is discharged via a metering flap 44 into the air supply 22 and swirled there with the still dust-laden air becomes. Due to the subsequent cyclone-like turbulence of the air with the dust 17 and the dust binder 43 optimal mixing is achieved.
  • the dust binder 43 is collected together with the dust 17 in the container 26 and can then be disposed of at regular intervals.
  • the metering of the dust binder 43 can take place via flaps, pistons, screws and / or nozzles.
  • the addition of the dust binder can be done either directly in the dust collection chamber 26 or in the region of the air supply 22, for example, the addition can already be done on the suction attachment of the vacuum cleaner 1 (not shown).
  • FIG. 5 another embodiment of a dust collection container 26 is shown, in which the coarse dust 17 is bound.
  • at least one spraying device 50 is provided on the container 26, by means of which a fluid 52 can be discharged into the dust collecting chamber 26.
  • the spray device 50 comprises a reservoir 53, in which the fluid 52 is arranged as a dust binder.
  • 36 activatable dosing pumps 54 are provided by the device control to promote by means of hoses 55, the liquid dust binder 52 in the dust collector 26.
  • one or more nozzles 51 are provided, from which the discharged from the hoses 55 fluid 52 is discharged into the dust collecting space 26 and atomized.
  • the dispersed, dust-binding fluid 52 is shown schematically by the spray 56.
  • the dust-binding agent 52 may be a glycol-containing or glycerin-containing liquid which reduces the surface tension to values of less than 40 mN / m and, if appropriate, is supplemented with fungicidal, bacteriostatic and / or bactericidal ingredients. Also conceivable is the use of a highly diluted adhesive, such as wallpaper paste.
  • the liquid dust binder 52 should preferably be dispersible. Instead of a fluid can be sprayed with appropriate design of metering pumps and nozzles also powdered, foam or granular media. For metering, other pressure-generating elements may be used instead of the pumps 54.
  • the dust binder 52 can also be supplied via controllable valves and dispersed with ultrasound.
  • the control of the supply of the liquid dust binder 52 can also be done here depending on the data of a dust quantity sensor 41, but alternatively also according to one of the other previously enumerated variants.
  • the walls of the dust collection chamber 26 may be made of plastic for cost-effective production. It is of course also possible to provide an anti-stick coating to facilitate cleaning.
  • FIG. 6 an embodiment of a dust collection chamber 26 is shown, in which the dust 17 is bound by a substance which is first melted and can be cooled after receiving the dust 17 and then removed from the dust collecting space 26.
  • Paraffin 60 for example, is used for this purpose, which is added to the container as tablet 61 or granules.
  • a heat source 62 is provided, which is supplied via a power supply 63 with electrical energy.
  • a receptacle 64 for the paraffin tablet 61 is located at the bottom of the container 26, a receptacle 64 for the paraffin tablet 61. Furthermore, the dust 17 is shown schematically, which lies on the paraffin tablet 61. At regular intervals, the container 26 can be removed from the vacuum cleaner 1 and cleaned.
  • the heat source is supplied in the form of a heating plate 62 via the power supply 63 with electrical energy, whereby the paraffin 60 is transferred from the solid to the liquid phase. It can also be the waste heat of the fan 12 are used.
  • the density of the paraffin 60 is on the order of ⁇ 1 g / cm 3 , for example in the range between 0.5 and 0.7 cm 3 .
  • all bodies will sink into the paraffin 60, which has a density> about 0.8 g / cm 3 .
  • These conditions meet house dust particles 17 whose density is in the range> 1g / cm 3 . Due to the size ratios of the density of the individual substances and the relatively easy-to-reach phase change of the paraffin tablet 61, it is possible to easily bind the dust 17 in the container 26 and sink it into the paraffin 60. If the container 26 is sufficiently filled, the cooled lump of paraffin 60 and bound dust 17 can be disposed of without dusting.
  • the non-polar, molecular structure of the paraffin 60 and its low surface tension ensures that, in contrast to water, particles can basically sink in easily in the liquid phase of the paraffin 60.
  • the melting point of the paraffin 60 can be set in a wide range.
  • the paraffin tablet 61 is in the region of the receptacle 64 which is made of a repulsive (anti-sticking) material or material having a repulsive surface, preferably silicone. Due to the better thermal conductivity, the receptacle can also consist of Teflon-coated aluminum.
  • the receptacle 64 may be detachably received in the container 26 to be taken out and replaced by a new paraffin tablet 61 possibly with a new receptacle 64.
  • substances whose phase is variable by supplying heat energy substances whose viscosity can be changed by kinetic energy - so-called tixotropic substances - can be used as a dust binder.
  • tixotropic substances substances whose viscosity can be changed by kinetic energy - so-called tixotropic substances - can be used as a dust binder.
  • cellulose suspensions may be mentioned here
  • FIG. 10 shows a dust collector 26, which is equipped with such a pressing device 100.
  • a compression ram 101 is arranged in the removable dust collecting container 26, which is manually or automatically, ie electromotively or aerodynamically driven, and thereby pressed onto the coarse dust 17 and the binder.
  • the dust is in the liquid binder - preferably paraffin 60 - pressed and thus produced by compacting a "dust-binder press cake".
  • the pressing process can be carried out every time the vacuum cleaner is switched off or when the collecting container is completely filled.
  • Dust collecting container 26 shown an agitator 110, which is manually but also automatically driven by a rotatable shaft 111.
  • the coarse dust 17 partially or completely covers the blades 112 of the agitator 110.
  • a metering device 113 with the dust binder 114.
  • the binder 114 is continuously (eg during operation) or discontinuous (e.g. after each switch-on or when the dust collector is completely filled), it is metered onto the coarse dust 17.
  • the binder 114 is homogeneously mixed with the dust 17, whereby the binder use can be minimized.
  • the Figures 12a and 12b show the basic schematic structure of another way of dust binding.
  • pads 120 are placed in the dust collection container, which completely cover the floor.
  • the pads 120 consist of at least two components, a first storage medium 121 with dust binder 122 and a second storage medium 123 for the coarse dust 17.
  • the pads 120 are designed as consumables.
  • the material of the first storage medium is porous to coarse-pored, sponge-like and liquid-storing, preferably foam is used. It is impregnated with a liquid dust binder 121.
  • the dust binder 121 is ideally as a liquid with low vapor pressure - such. As glycerol or glycol - before.
  • the second storage medium 123 for the dust must be fluid conducting and storing, coarsely porous, fibrous.
  • Cellulose fibers are preferably used at this point, the fibers being injected into the foam to ensure good contact with the dust binder 121.
  • Cellulose fibers are characterized by a high capillarity, whereby the dust binder 121 is transported from the foam to the surface of the second storage medium 123 in order to wet or bind the dust 17 there, thus avoiding dusting.
  • a "dust cake” forms on the surface of the storage medium 123, see FIG. 4b .
  • the pad 120 is preferably disposed of through the bottom closure 124 of the dust collection container 26 together with the bonded dust 17 without dusting.
  • FIG. 13 3 schematically shows a three-fraction dust separator 160 with a coarse dust container 161 with coarse dust (first fraction 162), a container 163 for the second, middle dust fraction 164, and a particulate matter filter 165 with particulate matter (third fraction 166).
  • the structural design of the entire separator is explained elsewhere.
  • the dust entering the dust collector 160 is separated as follows:
  • the grit 162 mainly comprises particles in the grain size range of more than about 200 ⁇ m, which are collected in the coarse dust container 161. Particles in which the grain size is in the majority in the range of about 30 microns to about 200 microns are collected in the dust collector 163; Particles that are smaller than 30 ⁇ m, are mostly in the fine dust filter 165. In these considerations, it should be noted that the separation limits are blurred. Therefore, the second fraction 164 also includes particulate matter 166, which is known to be dusty during emptying. For the second dust fraction 164, therefore, a dust collecting container 163 is used, with the aid of which and the application of water 170, a hygienic dust removal is possible.
  • FIG. 14 shows the construction of a suitable dust collection container 163 with the dust 164, a dust supply 171 with valve flap 172, a water filling valve 173, a vent valve 174, a chute 175, an outflow opening 176 and a Scblinnzu arrangement 177.
  • Water 170 is ideal for binding dust.
  • the dust 164 in the dust collecting container 163 may be mixed with the dust 164 by shaking the container 163.
  • the chute 175 with the outflow opening 176 is in the in the FIG. 14 closed position shown and the vent valve 174 is not actuated, ie closed.
  • FIG. 15 shows the accumulation bin 163 during the draining process.
  • a water-dust mixture is formed, which can be emptied by pivoting the chute 175 via the outflow opening 176 and the funnel-shaped chute feed 177.
  • the added amount of water should be such that a good flowable mixture is formed.
  • the vent valve 174 must be opened.
  • the inner walls of the dust collector 163 and all other items are treated or coated with a non-stick layer (lotus flower effect). To be able to empty the containers 161 and 163 separately, they are formed separable. To avoid confusion optical differences, especially versions in different colors are advisable.
  • the use of water 170 as a dust binder has the advantage that the dust 164 without the use of a special material binder hygienic, ie can be disposed of without dusting, so no costly consumable material is necessary.
  • particulate matter filter 400 is connected downstream of the above Staubabscheide systems. Regardless of the embodiment as a centrifugal separator / cyclone separator ( FIGS. 1 to 15 ) or Separator according to the mass inertia principle / annular gap separator, the fine dust filter 400 has the task of binding the pre-separator passing particles so that they do not return to the ambient air. According to the Staubabscheide system is constructed such that it has a greater separation limit over conventional systems and thus collects only dust to about 30 microns. The dust, which is smaller than 30 microns, hereinafter referred to as fine dust, passes in majority in the fine dust filter 400.
  • FIGS. 16 and 17 explain the basic structure of the proposed filter system, which preferably has the shape of a cuboid cassette.
  • a frame-shaped or rectangular wide-open and two-sided open holder 401 contains the front and rear side filter media 402 and 403. Further, the air supply 404 is arranged for the exhaust air from the Staubabscheide system in the top of the holder 401.
  • the holder 401 is preferably designed as a rectangular folding frame.
  • As a further alternative solution is proposed to perform the holder 401 as circumferentially closed, air-permeable, porous or also filtering hollow body, in which the filter medium 402 and 403 is used, wherein the filter properties of filtering holder 401 and inside filter medium 402 and 403 can distinguish.
  • the holder 401 may preferably consist of sintered plastic or a comparable material.
  • the cartridge-shaped filter geometry are adapted to the given space requirements of a commercially available vacuum cleaner and should be in the range of a standard packaging for vacuum cleaner filter bags, about 170 mm x 230 mm x 85 mm H x W x D.
  • FIG. 18 and FIG. 19 show in detail an embodiment of the first alternative solution
  • Figure 29 shows a further embodiment of this alternative.
  • FIG. 18 shows the fine dust filter 400 in plan view with the filter medium 402 and 403 and the air supply 404.
  • the filter medium 402, 403 consists of a highly storable mat-shaped, preferably an electrostatically charged synthetically produced or natural filter fleece, wherein the mat thickness about 10 to 20 mm. The electrostatic charge takes place during the production process of the filter fleece.
  • the air feed 404 is preferably designed as a slot in order to ensure optimum flow of the filter medium 402, 403.
  • FIG. 19 again shows the between the filter medium 402, 403 and the air supply 404 located filter material-free cavity 405. Furthermore, the exhaust air flow from the Staubabscheide system symbolized by the arrows 406.
  • the filter arrangement can be further improved if there is cotton wool or a cotton-like material in the cavity 405 between the two filter media 402, 403. Experiments have shown that especially smaller particles ⁇ 15 microns can be well bound or stored in cotton wool.
  • FIG. 20 describes a further variant in plan view.
  • the filter medium 402, 403 here consists of a highly storable thin, preferably electrostatically charged, synthetically produced or natural filter fleece, wherein the thickness of the nonwoven layer is now about 4 to 7 mm.
  • the filter fleece 402, 403 In order to achieve a comparable dust absorption capacity with low flow losses, the filter fleece 402, 403 must be folded or pleated in this embodiment.
  • the "pleating angle" ⁇ is about 30 °. The pleating creates a large filter surface.
  • the capacity is essentially achieved by a high depth storage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Prevention Of Fouling (AREA)

Claims (18)

  1. Procédé de traitement de la poussière dans un aspirateur, dans lequel un liant de poussière est ajouté à la poussière,
    caractérisé en ce que
    la poussière est séparée en au moins deux fractions qui se distinguent par la dimension et/ou la masse des particules de poussières, en ce qu'un liant de poussière est ajouté à une fraction, et en ce que la fraction dont les particules de poussières sont majoritairement plus petites que la fraction à laquelle est ajouté un liant de poussière est absorbée par un filtre à poussières fines.
  2. Procédé de traitement de la poussière selon la revendication 1,
    caractérisé en ce que
    la fraction est séparée en trois fractions qui se distinguent par la dimension et/ou la masse des particules de poussières, en ce qu'un liant de poussière est ajouté à la fraction ayant les particules de poussières qui possèdent majoritairement une dimension ou une masse moyenne.
  3. Procédé de traitement de la poussière selon la revendication 2,
    caractérisé en ce
    qu'une première fraction contient majoritairement des particules de poussières ayant une dimension de plus de 200 µm, en ce qu'une deuxième fraction contient majoritairement des particules de poussières ayant une dimension comprise entre 200 µm et 30 µm, et ce qu'une troisième fraction contient majoritairement des particules de poussières ayant une dimension inférieure à 30 µm.
  4. Procédé de traitement de la poussière selon la revendication 3,
    caractérisé en ce
    qu'il est utilisé un filtre à poussières fines ayant une capacité de stockage d'au moins 200 grammes de poussières fines.
  5. Procédé de traitement de la poussière selon l'une des revendications précédentes,
    caractérisé en ce que
    l'ajout du liant de poussière s'effectue dans un collecteur de poussières pouvant être introduit dans l'aspirateur et pouvant en être enlevé.
  6. Procédé de traitement de la poussière selon la revendication 5,
    caractérisé en ce que
    la quantité et/ou le moment des ajouts et/ou la fréquence des ajouts du liant de poussière est asservi au temps, au remplissage ou à la quantité de poussières.
  7. Procédé de traitement de la poussière selon la revendication 5 ou 6,
    caractérisé en ce que
    l'ajout du liant de poussière s'effectue, quand le ventilateur est en circuit, dans le flux d'air d'aspiration en amont du collecteur de poussières ou directement dans le collecteur de poussières introduit dans l'aspirateur.
  8. Procédé de traitement de la poussière selon la revendication 5,
    caractérisé en ce que
    l'ajout du liant de poussière en direction du collecteur de poussières s'effectue automatiquement après l'introduction de celui-ci dans la chambre de collecte de poussières de l'aspirateur.
  9. Procédé de traitement de la poussière selon l'une des revendications précédentes,
    caractérisé en ce que,

    comme liant de poussière, il est utilisé un additif à composant unique ou à composants multiples qui se présente dans une phase sous forme solide et/ou liquide et/ou gazeuse, la phase pouvant être modifiée pour lier et/ou mélanger la poussière aspirée présente sous forme lâche non liée et réaliser en l'occurrence au moins partiellement une liaison de la poussière.
  10. Procédé de traitement de la poussière selon la revendication 9,
    caractérisé en ce que
    la phase du liant de poussière est modifiable par amenée ou évacuation d'énergie, en particulier d'énergie thermique ou d'énergie cinétique.
  11. Procédé de traitement de la poussière selon la revendication 9 ou 10,
    caractérisé en ce que,
    comme liant de poussière, il est utilisé au moins un des matériaux suivants :
    - un liquide en particulier dispersible ;
    - une poudre ;
    - une mousse ;
    - un granulat ;
    - une substance solide, en particulier pressée en forme de pastilles.
  12. Procédé de traitement de la poussière selon l'une des revendications précédentes,
    caractérisé en ce
    qu'une matière odorante et/ou une substance antibactérienne est ajoutée au liant de poussière.
  13. Procédé de traitement de la poussière selon la revendication 11 ou 12,
    caractérisé en ce
    qu'un moyen qui améliore les propriétés d'adhérence du granulat pour la poussière est ajouté au granulat.
  14. Procédé de traitement de la poussière selon l'une des revendications 1 à 4,
    caractérisé en ce
    qu'un objet de type spongieux est utilisé pour la liaison de poussière.
  15. Procédé de traitement de la poussière selon la revendication 14,
    caractérisé en ce que
    l'objet de type spongieux est disposé sur le fond du collecteur de poussière.
  16. Procédé de traitement de la poussière selon la revendication 15,
    caractérisé en ce que
    l'objet de type spongieux est humecté avec un liant de poussière liquide à faible pression de vapeur tel que de la glycérine ou du glycol.
  17. Procédé de traitement de la poussière selon la revendication 16,
    caractérisé en ce que
    l'objet de type spongieux est, sur son côté dirigé vers l'entrée de poussière du collecteur, muni d'un revêtement conducteur du liquide à capillarité élevée tel que des fibres de cellulose.
  18. Procédé de traitement de la poussière selon l'une des revendications 1 à 8,
    caractérisé en ce que
    de l'eau est utilisée comme liant de poussière.
EP06777015A 2005-08-26 2006-08-23 Procede pour traiter la poussiere et dispositifs pour executer un tel procede Not-in-force EP1921968B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06777015T PL1921968T3 (pl) 2005-08-26 2006-08-23 Technologia obróbki pyłu i urządzenia do jej realizacji

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE200510041170 DE102005041170B3 (de) 2005-08-26 2005-08-26 Staubabscheide-Behälter
DE200510047812 DE102005047812A1 (de) 2005-10-05 2005-10-05 Verfahren zur Behandlung von Staub in einem Staubsammelbehälter und Vorrichtung zur Durchführung eines solchen Verfahrens
DE102005061725 2005-12-21
DE102005061742 2005-12-21
DE102006006011 2006-02-08
PCT/EP2006/008252 WO2007022959A2 (fr) 2005-08-26 2006-08-23 Procede pour traiter la poussiere et dispositifs pour executer un tel procede

Publications (2)

Publication Number Publication Date
EP1921968A2 EP1921968A2 (fr) 2008-05-21
EP1921968B1 true EP1921968B1 (fr) 2011-07-27

Family

ID=37198976

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Application Number Title Priority Date Filing Date
EP06777015A Not-in-force EP1921968B1 (fr) 2005-08-26 2006-08-23 Procede pour traiter la poussiere et dispositifs pour executer un tel procede

Country Status (6)

Country Link
US (1) US20080230446A1 (fr)
EP (1) EP1921968B1 (fr)
AT (1) ATE517571T1 (fr)
DK (1) DK1921968T3 (fr)
PL (1) PL1921968T3 (fr)
WO (1) WO2007022959A2 (fr)

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Also Published As

Publication number Publication date
DK1921968T3 (da) 2011-09-26
WO2007022959A2 (fr) 2007-03-01
EP1921968A2 (fr) 2008-05-21
PL1921968T3 (pl) 2011-11-30
ATE517571T1 (de) 2011-08-15
US20080230446A1 (en) 2008-09-25
WO2007022959A3 (fr) 2007-06-07

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