EP2964067A1 - Transportspülmaschine mit mehreren behandlungszonen - Google Patents
Transportspülmaschine mit mehreren behandlungszonenInfo
- Publication number
- EP2964067A1 EP2964067A1 EP15700073.8A EP15700073A EP2964067A1 EP 2964067 A1 EP2964067 A1 EP 2964067A1 EP 15700073 A EP15700073 A EP 15700073A EP 2964067 A1 EP2964067 A1 EP 2964067A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank
- zone
- dirt separator
- cleaning device
- return
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims abstract description 53
- 238000011010 flushing procedure Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 239000013505 freshwater Substances 0.000 description 24
- 239000007788 liquid Substances 0.000 description 22
- 238000001035 drying Methods 0.000 description 9
- 239000011538 cleaning material Substances 0.000 description 8
- 238000010926 purge Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004851 dishwashing Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
- A47L15/241—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors the dishes moving in a horizontal plane
-
- 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
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0047—Energy or water consumption, e.g. by saving energy or water
-
- 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
- A47L15/4202—Water filter means or strainers
-
- 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
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/09—Water level
-
- 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
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
Definitions
- the continuous dishwasher comprises at least one sensor for detecting at least one
- the continuous dishwasher comprises at least one machine control with at least one central control unit for controlling a process of the continuous dishwasher.
- the machine control has at least one
- Main detection unit for detecting signals of the at least one main sensor and at least one control detection unit for detecting signals of the at least one control sensor.
- the machine controller includes a communication module which is configured to connect the signals of the at least one main sensor with the signals of the at least one
- the continuous-flow dishwasher contains at least one rinse zone, at least one rinse zone and one drying zone.
- Continuous dishwasher is used to clean dishes and includes a
- the continuous dishwasher further comprises a drying zone, in which at least one drying fan is arranged, which is adjustable in terms of its speed.
- EP 1 868 481 B1 relates to a multi-tank conveyor dishwasher for
- the multi-tank conveyor dishwasher includes a
- Transport device for transporting the items to be washed in a transport direction through the multi-tank conveyor dishwasher and at least two
- Each cleaning zone is associated with a tank and a spray zone for spraying liquid from the associated tank onto the washware.
- a liquid flow device is provided between each two successive cleaning zones for the transfer of liquid between these cleaning zones in a forward direction opposite to the transport direction.
- the liquid recycling device is used for transfer of
- Liquid which is seen from the ware against the transport direction of a seen in the transport direction front cleaning zone in a in the
- Transport direction seen downstream of the front cleaning zone disposed rear cleaning zone has been deflected.
- the liquid return device further comprises a return line and an associated pump for pumping the liquid of the front cleaning zone into the rear cleaning zone.
- the liquid return device is designed to supply liquid to the rear cleaning zone
- the level control of a fluid tank is arranged such that a supply of a fluid in the fluid tank can be accommodated.
- the device comprises at least one delivery line through which the fluid can flow.
- the delivery line contains at least one control opening hydraulically connected to the fluid tank, wherein the control opening is controlled such that when at least one minimum level in the fluid tank is exceeded, at least one outflow of fluid from the delivery line into the fluid tank occurs
- control opening is arranged so that falls below the at least one minimum level in the fluid tank
- Transport dishwashers such as belt conveyors or basket transport dishwashers, typically include multiple treatment zones, such as a pre-rinse zone or pre-evacuation zone, one or more
- Main washing zones a pump rinsing zone and a fresh water rinsing zone.
- the liquid level of the cleaning liquids in the individual tanks is adapted to the function of the respective tank and also to each other.
- cleaning fluid is continuously transported from the pump rinse zone to the main wash zone and transferred from there to the pre-rinse zone. This means that cleaning liquid is directed against the transport direction of the cleaning material through the tanks of the dishwasher, so that flushing liquid always flows from the cleanest zone in the less clean zones direction Vorabhoffmzone.
- the flushing liquid is conveyed either through a system of graduated overflows or actively by means of pumps through the dishwasher. This procedure regenerates the tanks. This means that any lost rinsing liquid is supplemented and dirt is removed from the rinsing liquid.
- Cleaning fluid is directed against the transport direction through the tanks.
- Such abnormal operating conditions may be caused, for example, by very large items such as large food trays or large containers.
- This process is also referred to as water carryover against the transport direction.
- rinsing liquid is missing in the affected tanks, so that the function of the circulating pumps provided there can no longer be given.
- the machine control endeavors to compensate for the liquid level in such cases, in which the Frischbergklar Cypruszone or separate Grethe machine additional fresh water is supplied from the outside.
- the resources include water, the power to heat the fresh water, if necessary to include detergent to compensate for the dilution of the rinse liquid.
- Transport direction are not common, but there are certain
- the object of the invention is to design a cleaning device, in particular a multi-tank conveyor dishwasher, which may be, for example, a continuous dishwasher, more resource-conserving, in particular as regards the consumption of fresh water and the generation of heating power, especially in special operating conditions.
- a cleaning device in particular a
- Material to be cleaned is assigned in each case a rinsing fluid-storing tank and at least one of the treatment zones for the items to be cleaned, an im
- Transport direction triggered by bulky items to be cleaned - a sinking liquid level in a downstream tank, for example, in the rinsing zone associated tank, via a control of the
- Dirt separator downstream multi-way valve with, through this purified, flushing fluid is replenished.
- the dirt separator is designed as a centrifugal dirt separator.
- the dirt separator has a, by means of a controllable via the machine control switching device, such as a solenoid valve, releasable or closable, discharge line, via which the dirt deposited in the dirt separator periodically in a sewer system to which the cleaning device is connected, can be derived.
- the dirt separator is further, at the outlet for the cleaned
- Flushing fluid Flushing fluid, a switching device, such as a multi-way valve
- Dirt separating means may be connected to one or more multi-way valves, so that in principle there is the possibility that purified rinsing fluid from each treatment zone can be directed to the tank of the same zone or to a tank of another zone.
- a switching device with multiple outlets may be used, which uses a different switching principle than the valve, such as a rotary valve, a roller slide valve, a returnable ball valve or other.
- Magnetic system are used. But other drive technologies are also conceivable and applicable, for example, an electric motor or a pneumatic drive.
- the cleaning device proposed according to the invention comprises
- Level sensors on the machine side which monitor the fill levels of the tanks that are assigned to the individual treatment zones.
- the individual level sensors are connected to a machine control of the cleaning device. By means of the level sensors, the level in the individual tanks can be continuously monitored and, if necessary, a drop below the level of flushing fluid in at least one of the tanks can be detected and sent to the
- the invention further relates to a method for operating a
- downstream multi-way valve such that d) purified flushing fluid is returned to at least one of the tanks of the treatment zones.
- Cleaning device takes place when detecting a Wasserverschleppung contrary to the transport direction, triggered for example by bulky
- Machine control responds to detected level deviations in the individual tanks, is stored in a software program in the machine control.
- the program parameters such as Switching thresholds, activation times and application limits can be stored as a fixed program in the machine control, for example in a program memory.
- An embodiment as a freely programmable program is also conceivable.
- the inventively proposed cleaning device and the method for operating the cleaning device are associated with a relatively small additional expenditure on equipment on the cleaning device, since all already installed in the cleaning device level sensors can be used. In particular, no additional level measuring system is required. Furthermore, an additional storage tank to
- Rinsing fluid prepared by the dirt separator accordingly i. is cleaned and, if necessary, in the right place, to the under one, himself
- the single FIGURE shows a cleaning device, in particular a
- Figure 1 shows a cleaning device 1 10, in particular as
- Continuous dishwashing machine 1 12 comprises a basket 1 19, which is equipped with cleaning material 1 16, via a transport device 1 14 in the transport direction 120 through a flushing tunnel 1 18 promoted.
- the transport device 1 14 may be a means for transporting the baskets or to a conveyor belt on which formed in finger shape transport links
- Transport device 1 14 are placed and by the transport device 1 14 in the transport direction 120 through treatment zones 136 of
- the continuous dishwasher 1 12 comprises a number of
- Washing zone 128, a rinse zone 130 and a drying zone 132 are counted.
- the drying zone 132 comprises a fan 134, via which air is sucked in, which, if appropriate, after a corresponding heating, dries the cleaned item to be cleaned 16 in the drying zone 132.
- each of the treatment zones are spray systems 138.
- the spray systems 138 may be located above and below the plane in which the baskets 1 19 containing the items to be cleaned 1 16 are conveyed continuously or discontinuously in the transport direction 120 through the individual treatment zones 136.
- a pre-evacuation nozzle system 140 is provided in pre-evacuation zone 126. This is acted upon by flushing fluid, which is conveyed by a Vorabhoffmzonen- pump 142 from one of Vorabhoffmzone 126 associated Vorabhoffmzonen- tank 144. - -
- the spray systems 138 provided in the at least one washing zone 128 include at least one wash zone nozzle system 146 which is acted upon by at least one wash zone pump 148.
- the flushing fluid is conveyed via the wash zone pump 148 from at least one wash tank 150, which is located in the lower region of the washing zone 128.
- Fresh water rinse 154 are parts of a rinse zone 130 to be included in the treatment zones 136.
- a pump rinse nozzle system 156 In the pump clear rinse 152 is a pump rinse nozzle system 156, in the fresh water rinse 154 a fresh water rinse nozzle system 158 is provided.
- the fresh water rinsing nozzle system 158 installed there is fed by fresh water.
- the fresh water comes from a fresh water connection 166, and flows through a fresh water supply line 164 into which possibly a supply valve 172 can be arranged, after being heated in a heat recovery device 170 of a heating device 168. From there, the heated fresh water goes directly to a in the
- the task zone 122 is opposite the Vorab syndrome 126 via a
- Separating curtain 174 separated, further, a separation curtain 174 between the
- Vorab syndrome 126 and the at least one washing zone 128 is provided, another curtain 174 is located in the outlet region of the at least one washing zone 128 before the pump clearing 154.
- the fresh water rinse 154 is also separated by a separation curtain 174 of the drying zone 132.
- Each of the tanks ie the pre-clearance tank 144, the at least one wash tank 150 and the at least one rinse tank 160, is one each - -
- Level sensor 176 assigned. Via the level sensors 176 connected to a machine controller 180, fill levels 178 in each of the tanks, i. in Vorab Hurmzonen tank 144, queried in at least one wash tank 150 and rinse tank 160. When falling below a predetermined level 178 corresponding information is transmitted to the machine control 180.
- the inventively proposed cleaning device 1 12 as shown in Figure 1 also includes a dirt separator 182.
- the dirt separator 182 may be formed as a centrifugal dirt separator.
- the dirt separator 182 is acted upon in the illustration of Figure 1 via a bypass line 184 with flushing fluid, which from the
- Vorabhoffmzonen tank 144 is transferred to the at least one Vorabhoffm nozzle system 140.
- the supply of the dirt separator 182 thus takes place from a treatment zone 136 for the cleaning material 1 16, which has a relatively heavy dirt load.
- the dirt separator 182 is a
- Switching device 188 assigned in particular a solenoid valve 188, which is actuated via the machine control 180. Via the solenoid valve 188, a discharge 186 can be opened or closed at periodic intervals. About the discharge 186 of dirt separated in the dirt separator 182 from the flushing fluid passes into a sewer system and is thus from the
- the dirt separator 182 On the outlet side for the purified flushing fluid, the dirt separator 182 is a switching device 190,
- a multi-way valve 190 which also as
- Solenoid valve can be designed, and can be operated via the machine control 180. From the multi-way valve 190, as shown in FIG. 1, for example, a tank return 192 extends into the pre-evacuation zone tank 144. Furthermore, from the multi-way valve 190, as shown in FIG. 1, a further tank return 194 extends into the rinsing tank 160
- Pump clear purge 152 or the fresh water rinse 154 opens.
- the multi-way valve 190 which may be formed as a three-way or four-way or five-way valve, a further return to the at least one wash tank 150 of the washing zone 128 run. - -
- Vorab syndromen tank 144, the at least one wash tank 150 and the rinse tank 160 are assigned detects a low level, this low level of the machine control 180 is transmitted.
- a low level may result, for example, in the rinse tank 160 in that bulky items to be washed, in the rinse tank 160 by means of
- Pump clear rinse nozzle system 156 sprayed, rinsing fluid from the rinse tank 160 derived, for example, in the tank 150th.
- the multi-way valve 190 is driven via the engine controller 180, i. open.
- the one of the tank returns 192, 194 is opened, which corresponds to that of the tanks, i. the pre-evacuation zone tank 144 or the at least one wash tank 150 or rinse aid tank 160, in which the level sensor 176 has indicated a low level.
- the dirt separator 182 By means of the dirt separator 182, previously cleaned rinsing fluid flows into the tank 144, 150 or 160 in question and fills a low level 17 which has arisen there, for example as a result of water being carried away against the transport direction 176.
- the dirt separator 182 is provided by the bypass line 184, which branches off from the supply line for the pre-scavenging nozzle system 140. This makes sense, since the rinsing fluid circulated within the pre-evacuation zone 126 has a relatively high dirt load, since there the coarser food particles and the like are rinsed off and possibly also circulated.
- the discharge 186 of the dirt separator 182, in the example a centrifugal dirt separator, can continuously over the
- Cleaning device 1 in particular in the form of a
- Continuous Dishwasher 1 12 can be significantly reduced.
- Fresh water connection 166 of the cleaning device 1 10 would have to flow, can be saved. Furthermore, by the invention
- Proposed solution can be achieved, that overall the dirt load of the rinsing fluid at the point where the strongest dirt loading occurs, namely in Vorabhoffmzone 126, already significantly reduced.
- the maintenance of the inventively proposed cleaning device is also improved, since due to the design of the Schmutzabscheiders 182 as a centrifugal dirt separator replacement or cleaning of filter elements deleted.
- the dirt separator 182 in the bypass line 184 upstream valve 188 is released via the machine control 182, so that the discharge of dirt can be done via the discharge 186 in the sewer system.
- the invention also relates to a method for operating the cleaning device shown in Figure 1 in a variant, in particular a continuous dishwasher 112.
- the individual tanks i. the Vorab syndromen tank 144, the at least one wash tank 150 and the rinse tank 160 respectively associated level sensors 176, the levels are 178 monitored continuously in these tanks and transmit corresponding data to the machine control 180.
- flushing fluid is circulated continuously in the secondary flow 184 and continuously purified, so that purified purge fluid is always present at the multiway valve 190.
- predetermined level 178 in one of the tanks i. in Vorab syndromen tank 144, in the at least one wash tank 150 and in the rinse tank 160 by the level sensors 176 and the machine control 180, takes place
- Multi-way valve 190 Depending on the control of the multi-way valve 190 passes - -
- Vorab syndromen tank 144 the at least one wash tank 150 or the rinse tank 160th
- the dirt separator downstream of the Schmutzaustrag valve 188 can be opened at regular intervals or in case of need, depending on the dirt load of Schmutzabscheiders 182 or kept closed.
- the dirt discharge takes place in the discharge 186, which is connected to the sewage system of the cleaning device 1 12, so that a manual cleaning or replacement of filter elements can be omitted.
- Pre-evacuation nozzle system 186 Discharge to the sewage system
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014000448.1A DE102014000448A1 (de) | 2014-01-10 | 2014-01-10 | Transportspülmaschine mit mehreren Behandlungszonen |
PCT/EP2015/050218 WO2015104312A1 (de) | 2014-01-10 | 2015-01-08 | Transportspülmaschine mit mehreren behandlungszonen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2964067A1 true EP2964067A1 (de) | 2016-01-13 |
EP2964067B1 EP2964067B1 (de) | 2023-11-01 |
Family
ID=52302244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15700073.8A Active EP2964067B1 (de) | 2014-01-10 | 2015-01-08 | Transportspülmaschine mit mehreren behandlungszonen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2964067B1 (de) |
DE (1) | DE102014000448A1 (de) |
WO (1) | WO2015104312A1 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2510927A1 (de) * | 1974-03-19 | 1975-09-25 | Cenzad Management Ag | Verfahren und vorrichtung zum spuelen von gegenstaenden |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005015157A1 (de) | 2005-04-02 | 2006-10-05 | Premark Feg L.L.C., Wilmington | Mehrtank-Transportspülmaschine und ein Betriebsverfahren hierfür |
DE102007018447C5 (de) | 2007-04-19 | 2015-08-13 | Meiko Maschinenbau Gmbh & Co. Kg | Durchlaufspülmaschine mit geregelter Trocknung |
DE102008022960A1 (de) | 2008-05-09 | 2009-11-12 | Meiko Maschinenbau Gmbh & Co. Kg | Schmutzabscheider-Einrichtung mit Niveauregelung |
DE102009012566B4 (de) | 2009-03-11 | 2010-12-30 | Meiko Maschinenbau Gmbh & Co. Kg | Durchlauf-Spülmaschine mit Chargenerkennung und Chargendokumentation |
-
2014
- 2014-01-10 DE DE102014000448.1A patent/DE102014000448A1/de active Pending
-
2015
- 2015-01-08 WO PCT/EP2015/050218 patent/WO2015104312A1/de active Application Filing
- 2015-01-08 EP EP15700073.8A patent/EP2964067B1/de active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2510927A1 (de) * | 1974-03-19 | 1975-09-25 | Cenzad Management Ag | Verfahren und vorrichtung zum spuelen von gegenstaenden |
Non-Patent Citations (1)
Title |
---|
See also references of WO2015104312A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102014000448A1 (de) | 2015-07-16 |
EP2964067B1 (de) | 2023-11-01 |
WO2015104312A1 (de) | 2015-07-16 |
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