WO2017097484A1 - Flüssigkeitsspeichersystem für ein flüssigkeitsführendes haushaltsgerät - Google Patents
Flüssigkeitsspeichersystem für ein flüssigkeitsführendes haushaltsgerät Download PDFInfo
- Publication number
- WO2017097484A1 WO2017097484A1 PCT/EP2016/075213 EP2016075213W WO2017097484A1 WO 2017097484 A1 WO2017097484 A1 WO 2017097484A1 EP 2016075213 W EP2016075213 W EP 2016075213W WO 2017097484 A1 WO2017097484 A1 WO 2017097484A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- storage system
- interior
- liquid storage
- container
- air
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 58
- 238000003860 storage Methods 0.000 title claims abstract description 38
- 238000009423 ventilation Methods 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims description 32
- 235000019645 odor Nutrition 0.000 claims description 11
- 239000013460 polyoxometalate Substances 0.000 claims description 8
- 239000013543 active substance Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000006735 deficit Effects 0.000 abstract description 7
- 244000052616 bacterial pathogen Species 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 50
- 244000005700 microbiome Species 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 150000001450 anions Chemical class 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 239000010797 grey water Substances 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003205 fragrance Substances 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910001428 transition metal ion Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000032770 biofilm formation Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011146 sterile filtration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- -1 tetraalkylammonium cations Chemical class 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/20—Arrangements for water recovery
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
Definitions
- Liquid storage system for a liquid-conducting
- the invention relates to a liquid storage system for a liquid-conducting household appliance, comprising a container, in the interior of which liquid can be introduced and also removed therefrom, wherein the container is associated with a ventilation device. Furthermore, the invention relates to a liquid-conducting household appliance, in which an aforementioned liquid storage system is used.
- Liquid household appliances such as washing machines or dishwashers, are used to clean soiled items in the form of laundry or dishes. A cleaning is usually carried out in the context of a selected washing or rinsing program in several successive steps.
- household appliances are sometimes also equipped with liquid storage systems in which gray water, d. H. low polluted wastewater can be stored from a respective washing or rinsing process to reuse this greywater in a later wash or rinse cycle.
- gray water d. H. low polluted wastewater can be stored from a respective washing or rinsing process to reuse this greywater in a later wash or rinse cycle.
- DE 10 201 1 083 572 A1 discloses a liquid-conducting domestic appliance in the form of a washing machine, which is equipped with a liquid storage system.
- the liquid storage system serves to store wash liquor, wherein this wash liquor is introduced at the end of a wash cycle by means of a pump into a container of the liquid storage system and subsequently at a later Wash cycle can be removed from this again.
- the container of the liquid storage system is also provided on an inner surface with a catalytic substance over which the formation of biofilms can be significantly reduced. Further, the container is associated with a ventilation device, can get in through the air into the container to ensure by appropriate air supply, a continuous reaction of the catalytic substance of the surface of the container.
- a liquid storage system for a liquid-conducting household appliance comprises a container, in the interior of which liquid can be introduced and also removed therefrom, wherein the container is associated with a ventilation device.
- the liquid-conducting domestic appliance can be a washing machine, a dishwasher or also another household appliance in which a liquid, in particular water, is used.
- the liquid to be stored in the liquid storage system is preferably in the form of gray water, ie low-polluted wastewater of the respective domestic appliance. Consequently, the liquid may also be a low-contaminated wash liquor.
- the container is designed in the context of the invention, in particular as a plastic container which is provided with at least one opening for supplying and discharging the liquid.
- the ventilation device is preferably arranged in the vertically upper region of the container in order to be able to carry out an air exchange above a liquid column standing in the container.
- the invention now includes the technical teaching that air can be supplied to the interior via the ventilation device and / or air can be removed from the interior.
- the ventilation device comprises a filter system, via which air flowing into the interior and / or air flowing out of the interior is guided and can thereby be filtered.
- the ventilation device is thus equipped with a filter system via which either the air introduced into the interior or the air led out of the interior or both the in and the outgoing air flows.
- a liquid storage system designed in this way has the advantage that, upon filtration of the air flowing into the interior, an additional introduction of germ from the ambient air into the interior of the container can be avoided.
- a filtration of the outflowing air has the advantage that with the help of the filter system fragrances can be separated from the air and as a result an odor impairment by biofilms can be largely excluded.
- the effluent from the container air for corresponding odors in the area of the household appliance can be prevented as a result.
- the filter system consists of a or also composed of a plurality of individual filters, wherein in the case of a plurality of filters, these filters can be arranged in series with one another and / or in parallel.
- An air guide over the individual filters can then be designed such that one or more filters purely filter the air to be supplied to the interior, while one or more other filters clean purely the air to be discharged from the interior.
- one or more filters of the filter system serve both the filtration of the air to be supplied and the air to be discharged.
- the filter system comprises a membrane filter.
- a membrane filter is formed by a ceramic membrane.
- the membrane filter preferably has a pore width ⁇ 100 nm.
- the execution of the membrane filter with a ceramic membrane allows the realization of small pore sizes, in particular with a pore size of less than 100 nm, a sterile filtration, ie a separation of microorganisms, is possible.
- both the inflowing air and the outflowing air flow over the membrane filter.
- both a separation of microorganisms from the air to be supplied and a separation of fragrances from the air to be discharged can be achieved.
- the guidance of the outflowing air through the membrane filter causes particles separated by the influx of air to be removed.
- the membrane of the membrane filter is cleaned.
- the filter system has a filter, via which the air flowing out of the interior air flows and can be separated by the odors from the outflowing air.
- this filter is an activated charcoal filter, so that the deposition of odorous substances and thus an impairment due to unpleasant odors in the area of the respective domestic appliance can be realized with low production outlay.
- the filter system is provided at a ventilation opening of the container.
- the filter system is arranged in a supply line to the container. In the former case, the filter system can be compactly provided directly on the container, while this is realized in the second-mentioned case, possibly also spaced from the container, in the respective supply line for air to the container.
- an inner and / or outer surface of the filter system comprises at least one catalytically active substance, wherein the catalytically active substance is preferably a polyoxometalate, which is contained in the inner and / or outer surface of the filter system.
- the inner or the outer surface is a surface of the membrane filter.
- oxygen radicals or oxygen-containing radicals, collectively referred to as "oxygen radicals" hereinafter
- oxygen radicals Due to their chemical reactivity, these oxygen radicals in particular can decompose organic compounds and are therefore harmful to germs and other microorganisms.
- the polyoxometalate generally serves as an oxidation catalyst which works together with an oxidizing agent.
- the oxidizing agent is not limited according to the invention.
- oxygen-containing oxidants are used.
- oxygen, inorganic or organic peroxides and / or ozone as oxidizing agent are particularly preferred.
- oxygen is again particularly preferred as the oxidizing agent, as this can avoid an additional entry of potentially harmful or interfering substances.
- the source of oxygen is air in particular.
- an “outer surface” of the filter system is generally a surface which is external to the physical component or to the physical assembly of the filter system
- An “inner surface” of the filter system is generally a surface internal to the physical one "Inner surfaces” in the context of the invention are therefore, for example, the surface of a membrane filter or surfaces within the membrane filter itself. “Outer surfaces” are therefore in particular surfaces of a housing of the filter system.
- Polyoxometallates are inorganic metal-oxygen clusters. They generally have polyatomic anions composed of three or more transition metal oxyanions, especially tungstate, molybdate, vanadate, niobate and / or tantalate, bridged by oxygen atoms. Polyoxometalates can form a large three-dimensional network structure with defined oligomeric or polymeric structural units.
- the polyoxometalates are subdivided into iso- and heteropolyoxometallates.
- Isopolyoxometalates are the simplest forms of polyoxometalates and can be described as binary, ie only metal ion and oxygen-containing oxide anions. Typical examples of such Isopolyoxometallates are [Mo207] 2-, [W6024] 12 - [Mo6016] 2-, [Mo3601 12] 8-.
- heteropolyoxometalates which are widely used as oxidation catalysts, contain other non-metal, metalloid and / or transition metal ions. So z. B.
- Other substitutions, including different transition metal ions, are known, for.
- the charge balance of the anions described above is carried out either via protons, whereby the corresponding polyacids are obtained, or via cations to form the salts of the polyacids (Heteropolyoxometallate).
- polyoxometalate as used herein includes both the salts of the polyacids and the corresponding polyacids.
- the polyoxometalates used according to the invention include the abovementioned polyoxometalates and, for example, the polyoxometalates described in EP 0761 809 B1 and EP 1 141 210 B1.
- the polyoxometalate is a tungstate.
- This may be an isopolytungstate or a heteropolytungstate. Particular preference is given to using a titanium-modified tungstate or a vanadium-modified tungstate. According to the invention, it is particularly preferred that the tungstate contains vanadium.
- the tungstate preferably comprises the [SiV3W9O40] 7 anion.
- the polyoxometalates are preferably present as salts consisting of or comprising a suitable cation and a polyoxometalate anion.
- Suitable cations are, for example, tetraalkylammonium cations.
- polyoxometalates can be provided which can be used as a coating of an interior and / or exterior surface of the domestic appliance.
- the polyoxymetalate is at least partially present as the tetraalkylammonium salt.
- a liquid-conducting household appliance which comprises a liquid storage system according to the invention.
- the liquid household appliance has a container in the interior Liquid can be introduced and also removed therefrom, wherein the container is associated with a ventilation device.
- the liquid-conducting domestic appliance can preferably be a washing machine, a dishwasher or else another domestic appliance in which a liquid, in particular water, is used.
- the single figure shows a schematic view of a liquid-conducting household appliance 1, which has a liquid storage system 2 according to a preferred embodiment of the invention.
- the household appliance 1 is a washing machine, in the laundry drum can be introduced 3 to be cleaned items of laundry and cleaned as part of a particular wash program, and using water and detergent.
- the liquid storage system 2 has a container 4, which consists of plastic and is connected via a line 5 to the laundry drum 3.
- the line 5 liquid in the form of gray water, so slightly polluted water, introduced from the interior of the laundry drum 3 in an interior 6 of the container 4 and also be removed therefrom again to be able to perform the interior of the laundry drum 3.
- the line 5 may be equipped with a pump, via which the gray water between the interior 6 and the washing drum 3 can be promoted in one direction or the other if necessary.
- the line 5 but also by at least two individual lines, each of which is associated with a pump and of which a single line, a contribution of greywater into the interior 6 and the respective other individual line removal from the interior 6 can be represented.
- the ventilation device 7 in this case has a supply line 8, via which air can be exchanged with the container 4.
- the ventilation device 7 further comprises a filter system 9 which is arranged in the supply line 8 and has a membrane filter 10, via which membrane filter 10 both the air to be supplied to the interior space 6 and the air discharged from the interior space 6 flows.
- the membrane filter 10 has a ceramic membrane whose pore size is ⁇ 100 nm.
- the membrane filter 10 is designed in detail so that microorganisms are filtered out of the air flowing into the interior 6 and on the other also fragrances from the led out of the interior 6 air are deposited.
- the surface of the membrane filter 10 has a catalytic active substance which can enhance oxidation of the deposited on the membrane filter 10 particles, which can be degraded in the particles containing microorganisms or microorganisms even before removal .
- the catalytically active Substance can be designed as polyoxometalate.
- liquid storage system By means of a liquid storage system according to the invention can thus easily storage of liquids, such as gray water, completed, while at the same time reduces a germ input from the ambient air, and an odor impairment can be prevented.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112016005660.5T DE112016005660A5 (de) | 2015-12-10 | 2016-10-20 | Flüssigkeitsspeichersystem für ein flüssigkeitsführendes Haushaltsgerät |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015224832.1 | 2015-12-10 | ||
DE102015224832.1A DE102015224832A1 (de) | 2015-12-10 | 2015-12-10 | Flüssigkeitsspeichersystem für ein flüssigkeitsführendes Haushaltsgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017097484A1 true WO2017097484A1 (de) | 2017-06-15 |
Family
ID=57199985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/075213 WO2017097484A1 (de) | 2015-12-10 | 2016-10-20 | Flüssigkeitsspeichersystem für ein flüssigkeitsführendes haushaltsgerät |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102015224832A1 (de) |
WO (1) | WO2017097484A1 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7000832U (de) * | 1970-01-13 | 1970-05-21 | Knopf Hans | Vorrichtung zum regenerieren der abluft von trockenreinigungsmaschinen. |
EP1141210B1 (de) | 1998-12-23 | 2004-02-25 | Unilever Plc | Bleichen mit polyoxometallaten und luft oder sauerstoff |
EP1449449A1 (de) * | 2003-02-18 | 2004-08-25 | Gustav-Adolf Thoma | Vorrichtung und Verfahren zur Behandlung von Fuss-und/oder Handbekleidung |
EP0761809B1 (de) | 1995-08-22 | 2004-11-03 | Clariant GmbH | Bleichmittelzusammensetzung enthaltend Polyoxometallate als Bleichmittelkatalysator |
WO2004106816A1 (de) * | 2003-05-30 | 2004-12-09 | Glasbau Hahn Gmbh + Co. Kg | Verfaren zur behandlung der luft in einer vitrine und vitrine zur durchführung des verfahrens |
DE102011083572A1 (de) | 2011-09-28 | 2013-03-28 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Haushaltsgerät mit einer katalytisch wirksamen inneren Oberfläche sowie Verfahren zu seinem Betrieb |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4409303A1 (de) * | 1994-03-18 | 1995-11-30 | Meiti Entwicklungszentrum Inte | Waschmaschine mit Laugenspeicher und Waschverfahren |
DE102013224523B3 (de) * | 2013-11-29 | 2015-06-03 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät mit einer Aufbereitung von gespeichertem Grauwasser |
-
2015
- 2015-12-10 DE DE102015224832.1A patent/DE102015224832A1/de not_active Withdrawn
-
2016
- 2016-10-20 DE DE112016005660.5T patent/DE112016005660A5/de not_active Withdrawn
- 2016-10-20 WO PCT/EP2016/075213 patent/WO2017097484A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7000832U (de) * | 1970-01-13 | 1970-05-21 | Knopf Hans | Vorrichtung zum regenerieren der abluft von trockenreinigungsmaschinen. |
EP0761809B1 (de) | 1995-08-22 | 2004-11-03 | Clariant GmbH | Bleichmittelzusammensetzung enthaltend Polyoxometallate als Bleichmittelkatalysator |
EP1141210B1 (de) | 1998-12-23 | 2004-02-25 | Unilever Plc | Bleichen mit polyoxometallaten und luft oder sauerstoff |
EP1449449A1 (de) * | 2003-02-18 | 2004-08-25 | Gustav-Adolf Thoma | Vorrichtung und Verfahren zur Behandlung von Fuss-und/oder Handbekleidung |
WO2004106816A1 (de) * | 2003-05-30 | 2004-12-09 | Glasbau Hahn Gmbh + Co. Kg | Verfaren zur behandlung der luft in einer vitrine und vitrine zur durchführung des verfahrens |
DE102011083572A1 (de) | 2011-09-28 | 2013-03-28 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes Haushaltsgerät mit einer katalytisch wirksamen inneren Oberfläche sowie Verfahren zu seinem Betrieb |
Also Published As
Publication number | Publication date |
---|---|
DE102015224832A1 (de) | 2017-06-14 |
DE112016005660A5 (de) | 2018-09-06 |
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