EP3362194A1 - Anlage zum behandeln von gegenständen - Google Patents
Anlage zum behandeln von gegenständenInfo
- Publication number
- EP3362194A1 EP3362194A1 EP16770482.4A EP16770482A EP3362194A1 EP 3362194 A1 EP3362194 A1 EP 3362194A1 EP 16770482 A EP16770482 A EP 16770482A EP 3362194 A1 EP3362194 A1 EP 3362194A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- treatment
- zone
- medium
- treatment zone
- treatment medium
- 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.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 title claims abstract 4
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011146 organic particle Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid
Definitions
- the invention relates to a system for treating, in particular for rinsing, articles, in particular vehicle wheels, with a liquid treatment medium, comprising a) a treatment space through which the articles can be conveyed by means of a conveyor system in a conveying direction and which at least three treatment zones in the conveying direction has, in which the objects can be acted upon with treatment medium; wherein b) the third treatment zone in the conveying direction comprises a treatment device, which fresh liquid treatment medium can be supplied; c) the second treatment zone in the conveying direction and in the conveying direction
- the first treatment zone each comprise a receiving basin for liquid treatment medium dripping or draining from the objects; d) the objects in the second treatment zone and in the first treatment zone can be acted upon by treatment medium from the respective receiving basin; e) means are present, through which treatment medium from the third treatment zone into the receiving basin of the second treatment zone and through which treatment medium from the receiving basin of a treatment zone against the conveying direction into the receiving basin of a preceding treatment zone can be conducted.
- Such systems are used in the market especially for rinsing vehicle wheels.
- demineralized water is frequently used as the fresh liquid treatment medium. set.
- the so-called cascade rinsing technique has been established, in which several treatment zones are arranged one behind the other and the inflow of fresh treatment medium takes place only in the last treatment zone.
- the articles in the third treatment zone are sprayed with the fresh treatment medium to perform a kind of final rinse.
- the treatment medium, which is conducted from the third treatment zone into the receiving basin of the second treatment zone is consequently the fresh treatment medium, which is loaded with possibly last impurities on the vehicle wheels; however, this redirected treatment medium can usually be described as pure.
- this second treatment zone accordingly defines a surveillance zone.
- the monitoring is thus carried out in the prior art in that treatment zone, which is arranged in the manner before the treatment zone with the fresh treatment medium supply, so that their treatment medium into the receiving basin of the surveillance zone.
- this third treatment zone in which the inflow of fresh treatment medium takes place, is the last treatment zone of the treatment room. The monitoring takes place in this case so in the penultimate treatment zone.
- the conductivity of the treatment medium reflects the presence of ions in the treatment medium. If appropriate, fresh treatment medium is then fed to the treatment medium in the receiving basin of the second treatment zone in a separate step.
- the delivery of fresh treatment medium in the third treatment zone, i. the volume flow with which fresh treatment medium is supplied there is constant in known systems of the type mentioned in the introduction.
- a monitoring zone is provided by the first treatment zone, the receiving basin is a contra llbecken and in which the state of the treatment medium in the control basin by means of a measuring device can be monitored.
- the invention is based on the finding that a more meaningful measurement result can be achieved if the state of the treatment medium in the receiving basin is monitored in two treatment zones upstream of that treatment zone in which the inflow of fresh treatment medium takes place.
- the immediate dilution of the treatment medium in the receiving basin immediately before this inflow treatment zone by the fresh treatment medium may result in the treatment medium being in a relatively clean state, but not representative of the degree of carryover of contaminants across the conveyor line.
- the measuring device comprises at least one conductivity sensor and / or at least one concentration sensor, in particular a turbidity sensor.
- the conductivity and turbidity of the treatment medium are particularly characteristic parameters by means of which the condition of the treatment medium in the control basin can be well detected.
- the electrical conductivity of the treatment medium is a parameter for detecting the ions dissolved in the treatment medium.
- the turbidity allows the concentration of inorganic or organic particles in the treatment medium to be detected.
- An advantageous measuring device is designed if it comprises a measuring line, which can be flowed through by treatment medium from the control basin for the purpose of measurement.
- the existing sensors are then preferably arranged in the measuring line and are thus flowed through or flowed through by the treatment medium.
- the system can react in a particularly advantageous manner flexibly to the measurement results obtained when a control device is present, which communicates with the measuring device and controls the supply of fresh treatment medium in the last treatment zone depending on the output signals of the measuring device.
- the treatment device of the third treatment zone preferably comprises a plurality of dispensing devices, by means of which independently fresh treatment medium can be dispensed.
- volume flows arise when there are three delivery devices, through which volume flows in the ratio 50:15:35 can be delivered.
- the discharge devices can be opened or closed, for example, by simple switching valves, for example simple check valves, without requiring more complex control valves with a variable flow cross section.
- An exemplary embodiment of the invention will be explained in more detail below with reference to the single FIGURE.
- the present embodiment shows as objects 12 by way of example vehicle wheels 14, which are generally referred to as vehicle rims.
- vehicle wheels 14 which are generally referred to as vehicle rims.
- other objects 12 may also be treated as such vehicle wheels 14, in particular, for example, parts or attachments of vehicle bodies such as individual sheet metal parts, bumpers, housing of side mirrors or the like.
- the system 10 includes as a treatment room 16 a treatment tunnel 18, which is bounded by a housing 20 and of which in the figure, only a portion 18 a is shown.
- the system 10 is designed as a continuous system and the articles 12 are conveyed through the treatment tunnel 18 with the aid of a conveyor system 22.
- the conveyor system 22 is formed in the present embodiment as a per se known overhead conveyor system 24, which is only shown very schematically.
- This comprises a revolving drive train 26, for example a circumferential drive chain. Its storage is not shown as well as an existing drive device.
- Connected to the drive train 26 is a plurality of transport hangers 28, to each of which one or more objects 12 to be treated can be fastened. If necessary, even small parts can be treated with the system 10.
- the transport hanger 28 can also carry one or more work baskets in which such small parts can be inserted more or less loosely.
- the system 10 is used to clean the vehicle wheels 14 so that they can pass through cleaned downstream production processes.
- the vehicle wheels 14 may be provided with a paint after cleaning.
- the cleaning process takes place in several stages, in which the vehicle wheels 14 are treated with a liquid treatment medium.
- the treatment tunnel 18 is divided into a plurality of treatment zones 30, which consequently define rinsing zones and of which three treatment zones 32, 34 and 36 are shown in the figure.
- These are in the present embodiment the run through the completion of the cleaning operation three last treatment zones of a total of n treatment zones 30 of the plant 10, wherein the treatment zone 36, the last treatment zone 30 is n.
- the vehicle wheels 14 are acted upon by a treatment device 38 with fresh treatment medium 40, which in the present exemplary embodiment is demineralized water.
- the conveying direction in which the articles 12 are conveyed through the treatment tunnel 18 is illustrated in the figure by an arrow 42.
- the treatment zones 32, 34 and 36 in the conveying direction 42 form a first treatment zone 32, a second treatment zone 34 and a third treatment zone 36, which the treatment space 16 has. Consequently, the second treatment zone 34 in the present embodiment is the penultimate treatment zone 30 n -i and the first treatment zone 32 in the present embodiment is the third last treatment zone 30 n -2.
- the treatment device 38 of the third and here last treatment zone 36 comprises a plurality of dispensing devices which follow one another in the conveying direction 42, by means of which fresh treatment medium 40 can be discharged independently of one another.
- three delivery devices 44, 46 and 48 are shown by way of example in the conveying direction.
- the dispensers 44, 46 and 48 are identical in construction as a pair of nozzle sticks 50, wherein the two nozzle sticks 50 of a dispenser 44, 46, 48 respectively flank the conveying path of the vehicle wheels 14 such that the vehicle wheels 14 from both sides with fresh Treatment medium 40 can be sprayed. Of each pair of nozzle sticks 50, only one nozzle stick can be seen in the figure.
- the nozzle sticks 50 have a multiplicity of nozzle openings 52, via which the vehicle wheels 14 can be acted upon with high pressure by the fresh treatment medium 40 when they are conveyed past the nozzle sticks 50.
- the dispensers 44, 46 and 48 may be structurally different from each other, for example, as spiked and / or swirl nozzles.
- the dispensers 44, 46, 48 are supplied from a treatment medium source 54 with treatment medium 40.
- a treatment medium source 54 From the treatment medium source 54 is from a supply line 56, which passes downstream of the source 54 at a branch point in a primary line 58 and a secondary line 60.
- the primary line 58 leads to the first delivery device 44 in the conveying direction 42.
- the secondary line 60 in turn goes to another branching point in two line arms 62 and 64, of which the first line arm 62 to 42 in the conveying direction second delivery device 46 and the second line 64 for Conveying direction 42 third dispenser 48 leads.
- a filter 66 or 68 is respectively arranged, which is flowed through by the treatment medium 40, to ensure as a final conditioning step that the treatment medium 40 does not carry any solid particles with it when sprayed on the vehicle wheels 14 becomes.
- the delivery of treatment medium 40 to the dispensers 44, 46, 48 is controlled by means of a valve assembly 70 which places two valves 58a and 58b facing the dispensers 44, 46, 48 in front of and behind the filter 66 in the primary conduit 58 , a valve 60a in front of the filter 68 in the secondary line 60 and a respective valve 62a or 64a in the first line arm 62 and in the second line arm 64.
- the volume flow through the primary line 58 and the secondary line 60 can be detected by means of a flow meter 72.
- the dispensers 44, 46 and 48 are designed such that they can deliver volume flows in the ratio of 50:15:35 based on the volume flow in the supply line 56.
- the first line arm 62 and the second line arm 64 are then flowed through with respect to the volume flow in the secondary line 60 with flow rates in the ratio 30:70, which means based on the volume flow in the supply line 56 volume flows of 15% and 35%.
- volumetric flows of fresh treatment medium 40 may be generated in increments of about 15%, 35%, 50%, 65%, 85% and 100%.
- a volumetric flow of 50% can be achieved either alone or jointly by the delivery device 44 by the two delivery devices 46 and 48.
- the primary line 58 may branch at a branching point in three secondary lines with technically corresponding valves 58b, 62a and 64a. Also, only in the supply line 56, a filter may be provided.
- known per se spray nozzle means 74 are housed, by means of which the vehicle wheels 14 can be sprayed from both sides along the conveying path with treatment medium.
- spray nozzles it is also possible for other nozzle systems, known per se, to be present, with which the articles 12 can be exposed to the treatment medium.
- each treatment zone 30 there is a respective receiving basin 76 associated with the spray nozzle device 74 of the respective treatment zone 30 into which the treatment medium flows and drips from the vehicle wheels 14 and which consequently contaminates the impurities received by the vehicle wheels 14 with you.
- the treatment medium located in the receiving basin 76 is designated 78.
- On the receiving basin 76 are connected to a respective output line 80, which merges at a discharge point 82 in a discharge line 84, via which the treatment medium 78 can be conveyed from the receiving basin 76 in a circuit to the associated spray nozzle device 74.
- a pump 86 is arranged in the output line 80.
- a transfer line 88 departs from the discharge point 82 from the discharge line 84.
- a valve 90 is arranged in the outlet line 80 and a valve 92 downstream of the discharge point 82 in the transfer line 88.
- the transfer lines 88 further systems can be fed, which are present downstream of the valve 92.
- a valve 94 which is arranged in the discharge line 84, finally, the discharge volume flow to be supplied to the spray nozzle device 74 can be adjusted.
- a pressure measuring device 96 is provided in the discharge line 84, with which the line pressure in the discharge line 84 can be monitored.
- Each receiving basin 76 comprises an overflow 98, via which treatment medium 78 is led out of the receiving basin 76 of a treatment zone 30 counter to the conveying direction 42 into the receiving basin 76 of a preceding treatment zone 30, which is directly upstream of the treatment zone 30 in the conveying direction 42. Due to the overflow 98, the level of receiving basin 76 decreases to receiving basin 76 in the direction opposite to the conveying direction 42.
- the treatment medium, which in the last treatment zone 36 flows down or drips from the vehicle wheels 14, is guided via an inclined flow bottom 100, which may also be formed as a channel or the like, into the receiving basin 76 of the penultimate treatment zone 34.
- the basic structure of the system 10 thus corresponds the initially mentioned and known per se so-called cascade rinsing, in which a plurality of rinsing zones with receiving basin 76 are arranged one behind the other, wherein the inflow takes place with fresh treatment medium only in the last treatment zone 36.
- the receiving basin 76 of the first in the conveying direction 42 and not shown in the present treatment zone 30i also includes a discharge opening, via which treatment medium 78 can be discharged from the respective receiving tank 76; only there is wastewater generated.
- the first and third last treatment zone 32 in the conveying direction 42 defines a monitoring zone 102 in which the condition of the treatment medium 78 in the receiving basin 76 is monitored and controlled with the aid of a measuring device 104.
- the receiving basin 76 in the surveillance zone is a control basin 106.
- the measuring device 104 comprises a conductivity sensor 108 with which the conductivity of the treatment medium 78 in the control basin 106 can be determined.
- the measuring device 104 comprises a concentration sensor, which is formed in the present embodiment as turbidity sensor 1 10, with which the degree of turbidity of the treatment medium 78 in the control basin 106 and in this way the concentration of inorganic or organic particles can be determined.
- the measuring device 104 comprises a measuring line 1 12, through which treatment medium 78 flows from the control basin 106 for the purpose of measurement.
- This measuring line 1 12 branches off from the transfer line 88, the discharge point is arranged between the pump 86 in the output line 80 and the valves 92, 94 in the transfer line 88 and the discharge line 84.
- treatment medium 78 can be conveyed from the control basin 106 in the measuring line 1 12 when the valves 92 and 94 in the transfer line 88 and the discharge line 84 are closed. So that the measuring line 1 12 can be closed, there is another valve 1 14 is arranged at the confluence.
- the conductivity sensor 108 and the turbidity sensor 110 are thus in or on Arranged measuring that they are traversed by the treatment medium 78.
- the measuring line 1 12 ends with an outlet end 1 16 at the control basin 106, so that the treatment medium 78 is fed back to the control basin 106 in the circuit after it has flowed through the measuring line 1 12 and the local sensors 108 and 1 10.
- the measuring device 104 communicates with a control device 1 18, by means of which, depending on the output signals of the measuring device 104, the supply of fresh treatment medium 40 in the last treatment zone 36 is controlled.
- a control device 1 18 taking into account the sensor values of the sensors 108 and 110, the valves 58b, 62a and 64a are driven.
- the vehicle wheels 14 are conveyed with the conveyor system 22 in the conveying direction 42 through the treatment tunnel 18.
- the vehicle wheels 14 are sprayed with the spray nozzle device 74 there with the treatment medium 78 from the respective receiving basin 76.
- the spray nozzle devices 74 are first flushed with fresh treatment medium 40 from the source 54 until there is such a volume of treatment medium 78 in the associated receiving tank 76 that it can be circulated as described above, including the valves 90, 92 and 94 are respectively controlled accordingly.
- the carryover of the impurities from one treatment zone 30 to the next causes the cleaning action of treatment zone 30 to treatment zone 30 in the conveying direction 42 to diminish without further measures.
- the overflows 98 between the receiving basin 76 this effect is counteracted.
- the treatment medium 78 in the receiving basin 76 of the penultimate treatment zone 34 is relatively diluted by the treatment medium, which flows in through the flow tray 100 from the last treatment zone 36, based on the impurities present therein, since on the vehicle wheels 14, which reach last treatment zone 36, only very few impurities adhere.
- the treatment medium 78 in the receiving basin 76 of the penultimate treatment zone 34 can achieve a greater cleaning effect.
- the so diluted treatment medium 78 passes through the overflow 98 of the penultimate treatment zone 34 in the receiving basin 76 of the third last treatment zone 32, where it dilutes the local treatment medium 78, which passes over the local overflow 98 to the preceding in the conveying direction 42 treatment zone 30, etc.
- the treatment medium 78 having the greatest carryover degree i. the treatment medium 78 in the receiving basin 76 of the penultimate treatment zone 34
- the most diluted by the largely unloaded treatment medium from the last treatment zone 36 and the dilution effect is from receiving tank 76 to receiving tank 76 against the conveying direction 42 smaller. Since the degree of contamination by the cleaning itself and by the carryover at the previous receiving basin 76 is greater, a total of equilibrium is established, so that the treatment media 78 in the receiving basin 76 can be present in the same state on average.
- the amount of fresh treatment medium 40, which is delivered by the treatment device 38 in the last treatment zone 36 on the vehicle wheels 14 and used for this successive dilution is now dependent on the results of the measuring device 104 of the first treatment zone 32 in the conveying direction 42 or 30 n -2 of the three treatment zones 32, 34, 36 considered here via the control device 1 18 adjusted by the valves 58b, 60a and 62a and 64a are driven accordingly.
- the primary line 58, the secondary line 60 and the line arms 62, 64 can now be selectively determined how much fresh treatment medium 40 is delivered to the vehicle wheels 14, as explained above. In this way, a kind of fine adjustment of the supply of fresh treatment medium 40 is possible.
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Cleaning In General (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015013457.4A DE102015013457A1 (de) | 2015-10-16 | 2015-10-16 | Anlage zum Behandeln von Gegenständen |
| PCT/EP2016/072397 WO2017063828A1 (de) | 2015-10-16 | 2016-09-21 | Anlage zum behandeln von gegenständen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3362194A1 true EP3362194A1 (de) | 2018-08-22 |
Family
ID=56990433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16770482.4A Withdrawn EP3362194A1 (de) | 2015-10-16 | 2016-09-21 | Anlage zum behandeln von gegenständen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180311705A1 (de) |
| EP (1) | EP3362194A1 (de) |
| CN (1) | CN107949442A (de) |
| DE (1) | DE102015013457A1 (de) |
| WO (1) | WO2017063828A1 (de) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2749448A1 (de) * | 1977-11-04 | 1979-05-10 | Stierlen Maquet Ag | Verfahren zum reinigen und desinfizieren von gegenstaenden sowie spuelmaschine zur durchfuehrung des verfahrens |
| DE3938755A1 (de) * | 1989-11-23 | 1991-05-29 | Henkel Kgaa | Verfahren zur kontinuierlichen maschinellen reinigung von gebrauchsgeschirr |
| DE4105139A1 (de) * | 1991-02-20 | 1992-01-23 | Sopura Chemie Gmbh | Verfahren und vorrichtung zum reinigen von flaschen |
| ES2208361T3 (es) * | 1999-07-27 | 2004-06-16 | Unilever N.V. | Metodo y dispositivo de monitorizacion para monitorizar un proceso de lavado. |
| DE19952533C2 (de) * | 1999-10-30 | 2002-04-11 | Robert Sporer | Waschanlage für Fahrzeugräder |
| DE102004030014A1 (de) * | 2004-06-22 | 2006-01-12 | Premark Feg L.L.C., Wilmington | Spülmaschinen-Betriebsverfahren und Transportspülmaschine |
| DE102005035764A1 (de) * | 2005-07-29 | 2007-02-01 | Premark Feg L.L.C., Wilmington | Transportgeschirrspülmaschine und Betriebsverfahren hierfür |
| DE102005049473B4 (de) * | 2005-10-13 | 2009-08-27 | BvL Oberflächentechnik GmbH | Oberflächenreinigungsvorrichtung |
| DE102005050305B3 (de) * | 2005-10-20 | 2007-06-21 | Winterhalter Gastronom Gmbh | Geschirrspülmaschine mit integrierter Reinigungsvorrichtung für einen Wärmetauscher und/oder eine Wärmepumpe |
-
2015
- 2015-10-16 DE DE102015013457.4A patent/DE102015013457A1/de not_active Withdrawn
-
2016
- 2016-09-21 EP EP16770482.4A patent/EP3362194A1/de not_active Withdrawn
- 2016-09-21 US US15/768,154 patent/US20180311705A1/en not_active Abandoned
- 2016-09-21 WO PCT/EP2016/072397 patent/WO2017063828A1/de not_active Ceased
- 2016-09-21 CN CN201680051476.5A patent/CN107949442A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20180311705A1 (en) | 2018-11-01 |
| CN107949442A (zh) | 2018-04-20 |
| WO2017063828A1 (de) | 2017-04-20 |
| DE102015013457A1 (de) | 2017-04-20 |
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