EP1701647A1 - Geschirrspülmaschine mit einem system zur wasserenthärtung - Google Patents
Geschirrspülmaschine mit einem system zur wasserenthärtungInfo
- Publication number
- EP1701647A1 EP1701647A1 EP04804789A EP04804789A EP1701647A1 EP 1701647 A1 EP1701647 A1 EP 1701647A1 EP 04804789 A EP04804789 A EP 04804789A EP 04804789 A EP04804789 A EP 04804789A EP 1701647 A1 EP1701647 A1 EP 1701647A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- raw water
- container
- ion exchange
- dishwasher
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000005342 ion exchange Methods 0.000 claims abstract description 46
- 230000008929 regeneration Effects 0.000 claims abstract description 22
- 238000011069 regeneration method Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 10
- 239000012492 regenerant Substances 0.000 claims description 20
- 239000008234 soft water Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000011033 desalting Methods 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 abstract description 20
- 239000012267 brine Substances 0.000 abstract description 12
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003750 conditioning effect Effects 0.000 abstract 3
- 238000005262 decarbonization Methods 0.000 abstract 1
- 230000002328 demineralizing effect Effects 0.000 abstract 1
- 238000004851 dishwashing Methods 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 7
- 235000011941 Tilia x europaea Nutrition 0.000 description 7
- 239000004571 lime Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 4
- 229910001424 calcium ion Inorganic materials 0.000 description 4
- 229910001425 magnesium ion Inorganic materials 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4229—Water softening arrangements
Definitions
- the invention relates to a dishwasher with a system for softening or decarbonating the water used in the dishwasher for rinsing operations, i. E. to reduce the lime content of the rinsing fluid. More particularly, the invention relates to a dishwasher with a raw water supply, at least one bobbin for receiving items to be cleaned and with a device for water softening and / or water desalination of the raw water from the water network, which comprises at least one lonenSbehalter and a fillable Regenenerffenbehalter.
- the raw water taken from the domestic water line is passed through the ion exchanger before being introduced into the rinsing cycle of the dishwasher.
- the ion exchanger contains a resin having the property of absorbing the calcium ions or magnesium ions dissolved in the water, thereby reducing the lime content of the water.
- a regeneration process is carried out regularly, wherein the regenerated salt is added to the ion exchanger, which essentially contains sodium chloride in aqueous solution.
- a certain amount of regenerating brine must be prepared and fed to the ion exchanger.
- the amount of water required for the production of the regenerating brine is measured or stored in a separate Regenerierwasser- storage container and mixed with Regeneriersalz.
- the brine saturated with regeneration salt is passed into the ion exchanger where it remains for a while to allow for the above-described ion exchange.
- the known devices for water softening have the disadvantage that the provision of a certain volume of water to produce the regenerating brine requires a separate Regenerierwasser- Vorratsbehalter, which has a certain space requirement and increases the cost of the dishwasher.
- the object of the present invention is therefore to provide a dishwasher with a device for softening or decarbonating the water used in the dishwasher for rinsing, which has a small footprint and reduces manufacturing costs.
- the dishwasher according to the invention comprises a raw water supply, at least one rinsing container for receiving Spüjgut to be cleaned and a raw water treatment device for water softening and / or desalination (decarbonation) of the raw water from the water network, at least one ion exchange containing ion exchange container and a fillable Regenerierstoff capableer, wherein the raw water is supplied to the washing container via the lonenSbehalter and a water diverter is provided which directs the raw water from the raw water supply alternatively to the ion exchange container or the regenerant.
- the raw water is passed from the raw water supply to the lonenSbehalter where the raw water is softened or decarbonated by the ion exchange material in the manner described above, and then as soft water to the washing and thus into the rinsing fluid circulation of the 200301939
- Dishwasher to be initiated.
- a certain amount of water is passed from the raw water supply via the water distributor into the regenerant container.
- the Regenerierstoff concernser contains regeneration, which dissolves with sufficient residence time of the water in Regenerierstoff methodologies to saturation therein.
- the regeneration brine saturated with regeneration salt is passed into the ion exchange vessel where it remains for a while to allow for the above-described ion exchange.
- the amount of water required for the production of the regenerating brine is consequently no longer measured or kept in a separate regeneration water storage container, but is conducted directly from the water supply network via the water distributor into the regenerating agent container.
- a dishwasher according to the present invention thus has the advantage that the amount of water required to produce the regenerating brine can not be measured or stored in a separate regenerating water storage tank and therefore such a regenerating water storage tank is no longer required.
- a water quantity measuring device is provided in a line between the raw water supply and the water switch.
- the amount of water flowing into the dishwasher through the supply of raw water can be exactly determined. Due to the determined in a line between the raw water supply and the water switch amount of water, the function of the water switch can be controlled and thus the supply of raw water can be controlled in the Regenerierstoff practicer.
- a water quantity measuring device may also be provided in a line between the water diverter and the regenerant container.
- the water quantity measuring device can be designed, for example, as an impeller meter, which determine the volume of water flowing in the lines through an impeller arranged at least partially in the water flow of the relevant line.
- the raw water from the water supply network of the raw water treatment device is fed via a Rusaug Anlagen.
- Such Rusaug Anlagen is preferably realized by a free flow path in which the water over a certain 200301939
- the return suction protection, the ion exchange container and the water switch are combined in a preferably exchangeable assembly.
- the components mentioned can be inexpensively and easily installed in the form of a single assembly in the dishwasher.
- at least the ion exchange container and the regenerant container are combined in a preferably exchangeable assembly, wherein the remindsaugêt can be integrated in such an assembly. The interchangeability of these assemblies reduces maintenance and any repair costs.
- the ion exchange container and the regenerant container are expediently connected to one another via a preferably valve-controlled line.
- the valve control allows reliable control of the fluid movement from the regenerant container into the ion exchange container.
- a check valve may be provided between the ion exchange container and the regenerant container to prevent backflow of liquid from the ion exchange container into the regenerant container.
- the soften or decarbonate the raw water for several dishwashers with only one raw water treatment device, for example, by between the ion exchange container and the bobbin another water switch is provided, the soft water from the LonenSbehalter alternative to the washing container of a dishwasher or other dishwasher directs.
- the lonenSbehalter the raw water treatment device used for raw water treatment for two dishwashers, and for regeneration of the ion exchange container also only one Regenerierstoff
- forms of operation are operated via a preferably electronic program control, which controls the sequence of the rinsing programs.
- the program control regulates the course of the regeneration process, taking into account the signals supplied by the water quantity measuring device.
- program control can determine how much raw water has passed the ion exchange vessel and, therefore, determine the need for regeneration of the ion exchange material in the ion exchange vessel and control the period of regeneration.
- both the filling valve, and the valves of the valve-controlled lines and the water points are preferably individually or jointly controlled via the program control preferably according to a particular washing program.
- FIG. 1 is a schematic sectional view of a raw water treatment device according to a first embodiment of the present invention
- FIG. 2 is a schematic sectional view of part of a raw water treatment device according to a second embodiment of the present invention. ;
- the raw water enters a free flow path 3, which serves as remindsaug rejoin, so that in the event of a negative pressure in the water network no liquid from the dishwasher can be sucked into the water mains.
- the raw water is passed through a water quantity measuring device which determines the raw water amount flowing into the dishwasher via the raw water supply.
- the water quantity measuring device is designed as an impeller, which determines the raw water volume supplied by an arranged in the water flow of the raw water pipe impeller.
- the raw water is fed to a water separator 5, 200301939
- the function of the water separator 5 is regulated and thus the supply of raw water into the regenerant container 6 is controlled.
- the raw water is led from the raw water supply 2 to the ion exchange vessel 9, where the raw water is softened or decarbonated by the ion exchange material.
- the softened or decarbonated soft water is introduced via a supply 10 to the washing container and thus into the washing liquid circuit of the dishwasher.
- regenerant container 6 contains regenerating agent 7 which has dissolved in the water of the regenerating agent container 6.
- the raw water is passed into the regenerant and displaces the saturated regenerating brine in the ion exchange container 9, where the above-described ion exchange between the regenerating brine and the Ionenaus-
- the regenerant container 6 can be filled via a closable opening 14 with regenerating agent 7.
- the ion exchange container 9 and the regenerant container 6 are connected to each other via a line in which a check valve 8 is provided which prevents the backflow of liquid from the ion exchange container 6 into the regenerant container 9.
- the pollutantssaug rejoin 3, the Wassermengenmessvomchtung 4, the IonenSvomchtung 4, the IonenSbehalter 9 and the water diverter 5 is summarized in a replaceable assembly.
- the components mentioned can be inexpensively and easily installed or replaced in a single module in the dishwasher according to the invention. But it is also possible to integrate the Regenerierstoff justifying 6 in this module.
- FIG. 2 shows a schematic sectional view of part of the raw water treatment device according to a second embodiment of the present invention, which makes it possible to soften or decarbonate the raw water for a plurality of dishwashers with only one raw water treatment device.
- the raw water treatment device of a dishwasher according to the invention for raw water treatment can be used for two or more dishwashers, wherein for regeneration of the ion exchange container, only one Regenerierstoff capableer is required.
- a free flow path 3 is provided as a return suction protection.
- raw water treatment device designed as impeller 13 water meter is not behind, but in front of the free flow path 3.
- the structure of the second embodiment of the raw water treatment device shown in Figure 2 is otherwise identical to the embodiment shown in Figure 1. »
Landscapes
- Washing And Drying Of Tableware (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL04804789T PL1701647T3 (pl) | 2003-12-22 | 2004-12-13 | Zmywarka do naczyń z systemem zmiękczania wody |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10360560 | 2003-12-22 | ||
| DE102004019330A DE102004019330A1 (de) | 2003-12-22 | 2004-04-21 | Geschirrspülmaschine mit einem System zur Wasserenthärtung |
| PCT/EP2004/053426 WO2005060817A1 (de) | 2003-12-22 | 2004-12-13 | Geschirrspülmaschine mit einem system zur wasserenthärtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1701647A1 true EP1701647A1 (de) | 2006-09-20 |
| EP1701647B1 EP1701647B1 (de) | 2012-05-23 |
Family
ID=34712331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04804789A Expired - Lifetime EP1701647B1 (de) | 2003-12-22 | 2004-12-13 | Geschirrspülmaschine mit einem system zur wasserenthärtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1701647B1 (de) |
| PL (1) | PL1701647T3 (de) |
| WO (1) | WO2005060817A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0423233D0 (en) * | 2004-10-20 | 2004-11-24 | Bwfu Dublin Ltd | Warewashing system |
| ITTO20050805A1 (it) | 2005-11-15 | 2007-05-16 | T & P Spa | Sistema per abbattere la durezza dell'acqua di lavaggio in una macchina di lavaggio in particolare una lavastoviglie e relativo metodo |
| ITTO20060165A1 (it) * | 2006-03-07 | 2007-09-08 | Bitron Spa | Dispositivo perfezionato di alimentazione e trattamento di acqua per macchina lavastoviglie. |
| AU2008270246B2 (en) * | 2007-07-04 | 2011-02-17 | Arcelik Anonim Sirketi | A dishwasher |
| DE102009026904A1 (de) * | 2009-06-10 | 2010-12-16 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine mit einer Enthärtungseinrichtung sowie zugehöriges Wartungsverfahren |
| CN102462473B (zh) * | 2010-11-18 | 2014-05-28 | 比亚迪股份有限公司 | 洗碗机及其供水装置 |
| ITTO20110775A1 (it) * | 2011-08-25 | 2013-02-26 | Bitron Spa | Dispositivo decalcificatore perfezionato |
| CN107995853A (zh) * | 2015-06-19 | 2018-05-04 | 比特龙有限公司 | 用于洗碗机的集成部件 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3527047A1 (de) * | 1985-07-27 | 1987-02-05 | Licentia Gmbh | Programmgesteuerte wasch- oder geschirrspuelmaschine |
| DE4142697A1 (de) * | 1991-12-21 | 1993-07-01 | Miele & Cie | Wasserenthaertungseinrichtung fuer haushaltgeraete |
| DE4446731C2 (de) | 1994-12-24 | 2003-01-09 | Miele & Cie | Haushaltgerät, insbesondere programmgesteuerte Geschirrspülmaschine mit einer Wasserenthärtungseinrichtung |
| DE19512011C2 (de) * | 1995-03-31 | 2000-07-27 | Aweco Appliance Sys Gmbh & Co | Verfahren zur Bereitung von Weichwasser bei Geschirrspül- oder Waschmaschinen |
| IT246926Y1 (it) * | 1999-12-03 | 2002-04-10 | T & P Spa | Vaschetta per il dosaggio del liquido di rigenera in una lavastoviglie equipaggiata con un misuratore di portata |
| DE10100163A1 (de) * | 2001-01-04 | 2002-07-18 | Profectis Gmbh Tech Kundendien | Vorrichtung und Verfahren zum Entkalken von Haushaltsgeräten |
| DE10212250B4 (de) * | 2002-03-20 | 2010-09-23 | Aweco Appliance Systems Gmbh & Co. Kg | Vorrichtung zur Wasserenthärtung, insbesondere einer Haushaltsmaschine zum Reinigen von Gegenständen |
-
2004
- 2004-12-13 WO PCT/EP2004/053426 patent/WO2005060817A1/de not_active Ceased
- 2004-12-13 EP EP04804789A patent/EP1701647B1/de not_active Expired - Lifetime
- 2004-12-13 PL PL04804789T patent/PL1701647T3/pl unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005060817A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| PL1701647T3 (pl) | 2012-10-31 |
| EP1701647B1 (de) | 2012-05-23 |
| WO2005060817A1 (de) | 2005-07-07 |
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