EP3487743B1 - Grauwasseraufbereitungsvorrichtung für ein schienenfahrzeug - Google Patents

Grauwasseraufbereitungsvorrichtung für ein schienenfahrzeug Download PDF

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Publication number
EP3487743B1
EP3487743B1 EP17768092.3A EP17768092A EP3487743B1 EP 3487743 B1 EP3487743 B1 EP 3487743B1 EP 17768092 A EP17768092 A EP 17768092A EP 3487743 B1 EP3487743 B1 EP 3487743B1
Authority
EP
European Patent Office
Prior art keywords
grey water
treatment device
water container
gray water
filter
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.)
Active
Application number
EP17768092.3A
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German (de)
English (en)
French (fr)
Other versions
EP3487743A1 (de
Inventor
Frank Kemmerling
Thomas KÜBECK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Priority to PL17768092T priority Critical patent/PL3487743T3/pl
Publication of EP3487743A1 publication Critical patent/EP3487743A1/de
Application granted granted Critical
Publication of EP3487743B1 publication Critical patent/EP3487743B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D35/00Sanitation

Definitions

  • the invention relates to a treatment device for gray water for a rail vehicle, with a gray water tank, a gray water inlet, an outlet for filtered gray water, a filter between the gray water inlet and the outlet for filtered gray water and a level sensor.
  • Such a gray water treatment device is from the DE 10 2013 205 084 B3 known. This is intended for use in a sanitary area of the rail vehicle.
  • the gray water from a hand wash basin can no longer only be drained onto the track or fed to a waste water tank, but it can be collected, processed and made available to a toilet module as rinsing water.
  • the gray water produced in a galley often contains food residues and dissolved fats and therefore cannot be drained off directly onto the tracks. It is therefore usually collected in a gray or waste water container.
  • the gray or waste water tank is cyclically sucked off, for example every 3 days, all the water remains in the gray or waste water tank until then. Special suction devices are required for suction.
  • the invention is based on the object of proposing a treatment device for gray water of a galley which can be operated at low cost.
  • a rail vehicle according to the invention comprises at least one processing device according to the invention.
  • a treatment device for gray water for a rail vehicle according to the invention in turn comprises a gray water tank with at least one gray water inlet, in particular in an inlet area of the gray water tank, at least one outlet for filtered gray water, in particular in an outlet area of the gray water tank, at least one filter between the gray water inlet and the outlet for filtered gray water , in particular between the inlet and the outlet area, and a cleaning opening which can be closed from the outside for manual maintenance of the gray water tank and which is arranged on the bottom, in particular in the inlet area of the gray water tank.
  • the cleaning opening which can be closed from the outside, can also be used to remove sediment separated from the filter from the gray water tank.
  • the cleaning opening can also be freely accessible from the outside.
  • the gray water tank is arranged in the rail vehicle so that the cleaning opening is freely accessible, so that the gray water tank can be cleaned manually.
  • the filter type it can also be designed and arranged to be suitable for manual maintenance of an interior of the gray water container.
  • the treatment device further has an externally operable closure device for closing the closable cleaning opening, which closes the cleaning opening in the bottom of the gray water container in a closed position and opens the cleaning opening in an open position.
  • the closure device is sealed against the gray water container in the closed position.
  • the processing device is suitably designed for use in a galley of a rail vehicle.
  • the galley area of a vehicle is usually referred to as a galley.
  • the processing device is below, for example a sink, a sink and / or a dishwasher or in the underfloor area.
  • the solids level can be monitored to determine when it is necessary to empty the gray water tank.
  • the treatment device can comprise at least one fill level sensor, which is arranged in particular in the inlet area of the gray water tank.
  • the fill level sensor can be designed to detect at least one limit level of solid at least in the inlet area of the gray water container.
  • it can be designed to generate a signal depending on the detected limit or fill level to be output to a vehicle controller of the rail vehicle.
  • reaching the predetermined limit level is signaled to the vehicle control system.
  • the signal from the vehicle control can be transmitted to a shore-side facility such as a workshop or a depot, in particular for planning an emptying of the gray water tank, for example via a dial-up message.
  • the fill level sensor is suitably designed to recognize at least the limit level of gray water with a predetermined solid loading in the gray water tank, in particular in the inlet area of the gray water tank.
  • the degree of solids loading of the greywater or the concentration of solids in the greywater should in particular not exceed 80% in order to recognize this as the solids level when the predetermined limit level is reached.
  • the suction or cleaning interval of the gray water tank can be significantly extended.
  • the filtered gray water can be drained onto the track bed. This means that less volume is retained in the gray water tank.
  • the gray water container comprises a displaceable bottom section as a closure device, which is arranged on the gray water container in such a way that it forms part of the bottom of the gray water container in an inserted position and closes the cleaning opening in the bottom of the gray water container and the cleaning opening in an extended position releases.
  • the extended position corresponds to the open position.
  • the inserted position corresponds to the closed position.
  • the gray water container has guide rails for guiding the displaceable bottom section, which can be arranged, for example, on the side walls of the gray water container.
  • the guide rails serve to guide the displaceable bottom section when the displaceable bottom section is displaced along the guide rails, in particular parallel to the bottom of the greywater tank in the region of the displaceable bottom section.
  • the gray water container has a scraper facing the displaceable bottom section, in particular elastic and prestressed against a surface of the displaceable bottom section facing the interior of the gray water container, which is designed to adhere to the displaceable bottom section, in particular to the inside to strip the surface of the displaceable bottom section facing the gray water tank when the displaceable bottom section moves from the inserted position into the extended position.
  • At least one seal can be provided between the displaceable bottom section and the gray water tank, which is prestressed against both components in the inserted position.
  • An alternative closure device is a flap which is arranged on the gray water container in such a way that in a closed position it forms part of the bottom of the gray water container and closes the cleaning opening and in an opened position releases the cleaning opening.
  • the flap as an alternative to the displaceable bottom section is more difficult to remove buildup due to the scraper, which is not to be provided in the same simple manner. In addition, it requires a comparatively larger space below the gray water tank.
  • the closed position corresponds in turn to the closed position of the closure device, while the open position of the closure device corresponds to the opened position.
  • a collecting container for receiving sediment separated from the filter from the gray water container below the closable cleaning opening. Filtered out sediment is also called filter cake.
  • the gray water tank has at least one cleaning drain in the outlet area.
  • the cleaning drain is further developed for the removal of at least slightly solid-laden gray water from the gray water tank and is arranged in the gray water tank.
  • the bottom of the melt water tank is designed to rise from the inlet area to the outlet area.
  • the cleaning drain is then advantageously arranged at the deepest point of the bottom of the melt water tank in the outlet area.
  • the filter comprises at least two mutually arranged, overlapping in the horizontal direction and vertically spaced from each other, wherein in particular an upper backdrop is arranged on the ceiling and extends in the direction of a bottom of the gray water tank and a lower backdrop is arranged on the bottom and in the direction of the Cover of the gray water tank extends.
  • Filters designed in this way are also referred to as backdrop filters. They have mutually aligned or mutually extending backdrops which have a gap of a predetermined size between the backdrops. There are at least two scenes, further developed exactly two scenes. The gap has its predetermined width in the horizontal direction.
  • the lower backdrop or the lower backdrops can also be designed as movable slides.
  • the outlet for filtered gray water which is arranged in particular in the outlet area, has an opening for the passage of filtered gray water, which is arranged at a distance from the bottom of the gray water container.
  • the opening of the drain is thus raised in relation to the bottom of the gray water tank.
  • the drain has a tube which is guided through the bottom of the gray water tank and protrudes into the gray water tank.
  • the opening of the drain is then the opening of the pipe in the gray water tank.
  • the increased drainage above the floor has the advantage that flowing, treated gray water does not carry any sediment that may have been deposited on the floor.
  • the drain for filtered gray water can also act as an overflow for the gray water tank.
  • the gray water flows freely through the drain, especially onto the track bed.
  • a drain valve is optionally provided downstream of the drain to regulate the flow through the drain.
  • the filter comprises a permeable membrane, in particular a filter screen, for filtering solid particles of a predetermined size from the gray water. Filtering using a permeable membrane is summarized under the term membrane separation process.
  • the filter is used to filter particles from the gray water, which particles are larger than a predetermined minimum size.
  • the filter is suitably designed, for example it is designed as a sieve with a predetermined mesh size for separating solids of a predetermined minimum size from the liquid.
  • Splitting the waste water into a filter cake and a liquid filtrate using a filter medium is also referred to as filtration.
  • the filter medium colloquially also called filter, retains solids from the liquid.
  • the solid-free phase is referred to as the filtrate in the filtration of liquids.
  • the solid remaining on the surface of the filter medium for example a sieve, is, as already stated above, filter cake. If it falls off the filter and collects on the bottom, it is referred to as sediment or simply as a solid.
  • a fresh water inlet for supplying fresh water in particular on the ceiling side, in particular in the outlet area, can be arranged.
  • the fresh water inlet can be used to clean the gray water tank, for example around the sediments when the cleaning outlet on the inlet area side is open and the slider of the gate filter is raised to wash.
  • the fresh water inlet can be designed as a nozzle in order to also clean the side walls of the gray water container and / or the filter.
  • the nozzle can be designed in such a way that it ejects a water jet that strikes the side walls of the gray water container and / or the filter.
  • An advantage of the invention is the simplified cleaning of the gray water tank. Half-full tanks are no longer suctioned off. This significantly reduces the so-called life cycle costs.
  • a treatment device for gray water according to the invention is shown schematically in longitudinal section.
  • a gray water tank 1 comprises a gray water inlet 2 in an inlet area 7, an outlet 3 for filtered gray water in an outlet area 8, a filter 9 for filtering solid matter from the gray water between the gray water inlet 2 and the outlet 3 for filtered gray water, and a fill level sensor 10 in the inlet area 7.
  • the fill level sensor 10 is designed here in the form of a frequency swing fill level sensor as a limit level switch and is arranged at a predetermined height above a floor 15 of the inlet area 7 of the gray water container 1 in order to detect a predetermined limit level of solid matter in the gray water container 1.
  • the height of the predetermined limit level of solid matter in the gray water tank 1 corresponds to the level of the level sensor 10 above the bottom 15 of the gray water tank 1.
  • the solid matter is filtered and retained by the filter 9 from the gray water (filter cake) and is deposited on the floor and then becomes sediment called.
  • the deposited solid is identified here with the reference number 11.
  • the outlet 3 has a tube 16 which is guided through the bottom 15 of the gray water tank 1 and projects into the gray water tank 1. It also serves as an overflow.
  • the drain opening ends above the predetermined limit level of solids in the gray water tank 1.
  • the pipe 16, usually ends above the tracks for a rail vehicle, on which the filtered gray water is drained off. Here it has exit 18.
  • the filtered gray water can also be fed to a gray water consumer, for example a toilet of the rail vehicle, as rinsing water.
  • the pipe 16 downstream of the outlet can have a drain valve 17 for regulating the flow of filtered gray water through the outlet 3.
  • the filter 9 used here is a backdrop filter with a fixed upper backdrop 13, which is firmly connected to the gray water tank 1 and is rigidly arranged in the gray water tank 1 on the ceiling and extends in the direction of the bottom 15 of the gray water tank 1 and with a fixed lower backdrop 12 which here also firmly connected to the gray water tank 1 and rigidly arranged in the bottom of the gray water tank 1 and extending in the direction of the ceiling of the gray water tank 1.
  • the fill level sensor 10 is arranged at a predetermined height above a floor 15 of the inlet area 7 of the gray water tank 1, which lies below an underside of the upper link 13 and above an upper side of the lower link 12.
  • a permeable membrane 14 for filtering solid particles of a predetermined size from the gray water is additionally arranged above the lower backdrop 12. This is connected here to the top of the lower backdrop 12 and to a ceiling of the gray water tank 1 and also extends over the entire width of the gray water tank 1 into and out of the drawing plane between its side walls.
  • Sediment deposits 11 can be found here both in the inlet area 7 and in the outlet area 8. However, that in the outlet area 8 is significantly lower.
  • the gray water tank 1 here comprises a cleaning drain 5 on the bottom side. If necessary, the cleaning drain 5 in the outlet area 8 can also be dispensed with. In this exemplary embodiment, it ends in a suction line which can be connected to a suction device via a shut-off element 19, for example a ball valve.
  • a cleaning opening 4 is provided in the bottom 15 of the inlet area 7 of the gray water tank 1. It can have a size suitable for manual maintenance and / or manual cleaning, if necessary.
  • a section of the bottom 22 of the gray water tank 1 is designed to be displaceable. In a pushed-in position, this bottom section 22 closes the cleaning opening 4 in the bottom 15 of the gray water tank 1.
  • the bottom section 22 here has a handle-like projection 21 outside of the gray water tank.
  • the displaceable bottom section 22 is guided along laterally arranged guide rails 24. In the inserted position, the displaceable bottom section 22 is sealed against the gray water tank 1.
  • a collecting container 23 for receiving sediment separated from the filter 9.
  • the closable cleaning opening 4 is opened by moving the displaceable bottom section 22 from the pushed-in position into the pushed-out position, the sediment 11 thus simply falls into the collecting container 23.
  • a scraper 20 is arranged on an end wall in the inlet area 7 of the gray water container 1, which is biased against the displaceable bottom section 22 and is thus able to adhere to the displaceable bottom section 22 when the displaceable bottom section 22 moves from the inserted position into the extended position to strip off.
  • a flushing nozzle is arranged as a fresh water inlet 6 for supplying fresh water on the ceiling side in the outlet area 8.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtration Of Liquid (AREA)
EP17768092.3A 2016-09-20 2017-09-13 Grauwasseraufbereitungsvorrichtung für ein schienenfahrzeug Active EP3487743B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17768092T PL3487743T3 (pl) 2016-09-20 2017-09-13 Urządzenie do uzdatniania wody szarej dla pojazdu szynowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016218001.0A DE102016218001A1 (de) 2016-09-20 2016-09-20 Grauwasseraufbereitungsvorrichtung für ein Schienenfahrzeug
PCT/EP2017/072999 WO2018054738A1 (de) 2016-09-20 2017-09-13 Grauwasseraufbereitungsvorrichtung für ein schienenfahrzeug

Publications (2)

Publication Number Publication Date
EP3487743A1 EP3487743A1 (de) 2019-05-29
EP3487743B1 true EP3487743B1 (de) 2020-05-13

Family

ID=59887260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17768092.3A Active EP3487743B1 (de) 2016-09-20 2017-09-13 Grauwasseraufbereitungsvorrichtung für ein schienenfahrzeug

Country Status (9)

Country Link
EP (1) EP3487743B1 (es)
CN (1) CN210391147U (es)
DE (1) DE102016218001A1 (es)
DK (1) DK3487743T3 (es)
ES (1) ES2808127T3 (es)
PL (1) PL3487743T3 (es)
PT (1) PT3487743T (es)
RU (1) RU194282U1 (es)
WO (1) WO2018054738A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019206978B4 (de) * 2019-05-14 2020-12-17 Meiko Maschinenbau Gmbh & Co. Kg Geschirrspülmaschine zum Einsatz in einem Verkehrsmittel

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
ZA756049B (en) * 1974-10-03 1976-09-29 Monogram Ind Inc Grey water recovery, toilet and human waste products treatment and disposal system
US5245711A (en) 1988-09-06 1993-09-21 Oy Wartsila Ab Vacuum toilet system
DE4123803A1 (de) 1991-07-18 1993-01-21 Blohm & Voss Int Abscheidungsspeicher fuer die mehrfachnutzung von abwaessern in luftfahrzeugen
HRP970257A2 (en) * 1996-06-04 1998-02-28 Siemens Sgp Verkehrstech Gmbh Process and device for partially emptying in a controlled manner a waste water container in a vehicle, in particular a railway vehicle
DE102004030859A1 (de) * 2004-06-25 2006-01-12 Müller, Wolfgang Vorrichtung zur Reinigung von Innenwandungsflächen eines Behälters
DE102004042147A1 (de) * 2004-08-31 2006-03-02 AOA Luftfahrtgeräte Gauting GmbH Kompaktvakuum-Toilettenanordnung und deren Verwendung
BRPI0602931B1 (pt) * 2006-06-28 2015-02-03 Hans Georg Kraus Estação de tratamento de esgoto por degradação biológica
EP2484574B1 (en) 2011-02-07 2013-08-07 ALSTOM Transport SA A water storage and distribution system having a water tank by pass
JP2015522729A (ja) 2012-05-17 2015-08-06 エムエージー エアロスペイス インダストリーズ, エルエルシィ 二段水洗及び雑排水水洗システム及び装置
DE102012023683A1 (de) 2012-11-28 2014-05-28 Dowaldwerke Gmbh Sanitäreinheit, die zur Wiederverwertung von Grauwasser ausgebildet ist
DE102013205084B3 (de) 2013-03-22 2014-05-28 Siemens Aktiengesellschaft Schienenfahrzeug mit einer Aufbereitungsvorrichtung für Grauwasser
FR3013299B1 (fr) * 2013-11-19 2016-01-01 Alstom Transport Sa Systeme de stockage et de distribution d'eau pour toilettes compactes
CN207737289U (zh) * 2014-09-30 2018-08-17 西门子公司 马桶装置和轨道车辆

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
WO2018054738A1 (de) 2018-03-29
PT3487743T (pt) 2020-06-01
ES2808127T3 (es) 2021-02-25
RU194282U1 (ru) 2019-12-05
DE102016218001A1 (de) 2018-03-22
DK3487743T3 (da) 2020-08-03
CN210391147U (zh) 2020-04-24
PL3487743T3 (pl) 2020-10-19
EP3487743A1 (de) 2019-05-29

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