EP3487743A1 - Greywater treatment device for a rail vehicle - Google Patents
Greywater treatment device for a rail vehicleInfo
- Publication number
- EP3487743A1 EP3487743A1 EP17768092.3A EP17768092A EP3487743A1 EP 3487743 A1 EP3487743 A1 EP 3487743A1 EP 17768092 A EP17768092 A EP 17768092A EP 3487743 A1 EP3487743 A1 EP 3487743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- greywater
- gray water
- container
- inlet
- drain
- 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
- 239000010797 grey water Substances 0.000 title claims abstract description 152
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 27
- 239000013049 sediment Substances 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000003981 vehicle Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 239000013505 freshwater Substances 0.000 description 6
- 239000012065 filter cake Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D35/00—Sanitation
Definitions
- Gray water treatment device for a rail vehicle The invention relates to a treatment device for
- Gray water for a railway vehicle comprising a gray water tank, a gray water inlet, a drain for filtered gray water, a filter between the gray water inlet and the drain for filtered gray water and a level sensor.
- Such a gray water treatment device is known from DE 10 2013 205 084 B3. This is intended for use in a sanitary area of the rail vehicle.
- the gray water from a hand basin can now not only be derived on the track or fed to a waste tank, but it can be collected, treated and provided a toilet module as flushing water available.
- the gray water produced in a galley often contains leftovers and dissolved fats and therefore can not be discharged directly onto the tracks. It is therefore usually collected in a gray or wastewater container.
- the gray or waste water tank is cycled, for example, sucked every 3 days, the entire water remains until then in the gray or waste water tank. For suction special suction devices are needed.
- the invention has for its object to provide a cost-effective to be operated treatment device for gray water Galley.
- a rail vehicle according to the invention comprises at least one preparation device according to the invention.
- a greywater treatment device according to the invention for a rail vehicle in turn comprises a gray water tank with at least one gray water inlet, in particular in an inlet region of the gray water tank, at least one drain for filtered greywater, in particular in an outlet region of the gray water tank, at least one filter between the gray water inlet and the drain for filtered gray water , in particular between the inlet and the outlet area, and an externally closable cleaning opening for the manual maintenance of the greywater container, which, in particular in the inlet area of the greywater container, is arranged on the floor.
- the closable from the outside cleaning opening can also serve for the discharge of deposited by the filter sediment from the gray water tank.
- the cleaning opening can be further developed also freely accessible from the outside.
- the greywater container is arranged in the rail vehicle so that the cleaning opening is freely accessible, so that the greywater container can be cleaned manually.
- it can also be designed and arranged suitable for manual maintenance of an interior of the greywater container.
- the treatment device further comprises an externally operable closure device for closing the closable cleaning opening, which closes the cleaning opening in the bottom of the greywater container in a closed position and releases the cleaning opening in an open position.
- the closure device is sealed in the closed position against the greywater container.
- the processing device is suitably designed for use in a galley of a rail vehicle.
- Galley usually refers to the galley area of a vehicle.
- the processing device is, for example, arranged below a sink, a washbasin and / or a dishwasher or in the underfloor area.
- the treatment device may comprise at least one level sensor, which is arranged in particular in the inlet region of the greywater container.
- the fill level sensor can be designed to detect at least one limit level of solids at least in the inlet region of the greywater container.
- it can be configured to generate a signal as a function of the detected limit or fill level to output to a vehicle control of the rail vehicle.
- the reaching of the predetermined limit level is signaled to the vehicle control.
- the signal of the vehicle control can be transmitted, in particular for planning an emptying of the greywater container, for example via a dial-up message, to a shore-side device such as a workshop or a depot.
- the level sensor is formed according to a development of the invention suitable to recognize at least the limit level of gray water with a predetermined solids loading in the gray water tank, especially in the inlet region of the gray water tank.
- the degree of solids loading of the greywater or the concentration of solid matter in greywater should not exceed 80% in order to detect this as a limit on solids when reaching the specified limit level.
- the greywater container comprises a displaceable bottom section as closure device, which is arranged on the greywater container in such a way that it forms a part of the bottom of the bottled water container in an inserted position and closes the cleaning opening in the bottom of the greywater container and in an extended position the cleaning - Opening free.
- the ejected position thus corresponds to the open position.
- the inserted position corresponds to the closed position.
- the greywater container on guide rails for guiding the displaceable bottom portion, which can be arranged for example on side walls of the greywater container.
- the guide rails serve to guide the displaceable bottom section during a displacement of the displaceable bottom section along the guide rails, in particular parallel to the bottom of the greywater container in the region of the displaceable bottom section.
- the greywater container has a scraper turned toward the displaceable bottom section, in particular elastically and prestressed against a surface of the displaceable bottom section facing the interior of the greywater container, which is designed to adhere to the displaceable bottom section, in particular on the inwardly directed into the greywater container surface of the displaceable bottom portion to strip off during a movement of the displaceable bottom portion of the inserted position in the extended position.
- a scraper turned toward the displaceable bottom section, in particular elastically and prestressed against a surface of the displaceable bottom section facing the interior of the greywater container, which is designed to adhere to the displaceable bottom section, in particular on the inwardly directed into the greywater container surface of the displaceable bottom portion to strip off during a movement of the displaceable bottom portion of the inserted position in the extended position.
- at least one seal can be provided between the displaceable bottom section and the greywater container, said seal being biased in the retracted position against both components.
- closure device is a flap which is arranged on the gray water tank that it forms a part of the bottom of the Gauwasser organizations in a closed position and closes the cleaning opening and in an unfolded position, the cleaning opening releases.
- the flap as an alternative to the displaceable bottom section is more difficult to clean from buildup due to the not in the same, simple way scraper to be provided. In addition, it requires a comparatively larger space below the gray water tank.
- the closed position in turn corresponds to the closed position of the closure device, while the open position of the closure device corresponds to the unfolded position.
- Filtered sediment is also referred to as a filter cake.
- a further variant of the invention provides that the greywater container has at least one cleaning outlet in the outlet area.
- the cleaning drain is developed further for the removal of at least slightly solids-laden gray water from the greywater tank suitable trained and arranged in the gray water tank.
- the bottom of the secondary water tank is formed rising from the inlet area to the outlet area.
- the cleaning drain is then advantageously arranged at the lowest point of the bottom of the gravity water tank in the outlet.
- the filter comprises at least two mutually arranged, overlapping in the horizontal direction and vertically spaced scenes, in particular an upper backdrop is arranged on the ceiling side and extending in the direction of a bottom of the greywater container and wherein a lower link is arranged on the bottom side and in the direction of Cover of greywater tank extends.
- Such trained filters are also referred to as link filters. They have mutually aligned or mutually extending scenes, which have a gap of predetermined size between the scenes. There are at least two scenes, educated exactly two scenes provided. The gap has its predetermined width in the horizontal direction.
- the lower gate or the lower scenes can also be designed as a movable slide.
- the drain for filtered gray water which is arranged in particular in the outlet, has an opening for the passage of filtered gray water, which is arranged at a distance from the bottom of the greywater container. The opening of the drain is thus raised relative to the bottom of the gray water tank.
- the drain has a pipe which is passed through the bottom of the gray water tank and protrudes into the gray water tank.
- the opening of the drain is then corresponding to the opening of the pipe in the gray water tank.
- the increased drainage above the ground has the advantage that discharged, treated greywater does not entrain any sediment deposited on the ground.
- the drained gray water drain can also act as an overflow for the gray water tank.
- the gray water flows freely through the drain, especially on the track bed.
- a drain valve is 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 articles of predetermined size from the gray water. Filtering by means of permeable membrane are 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 designed accordingly suitable, for example, it is designed as a sieve of predetermined mesh size for the separation of solids of predetermined minimum size from the liquid.
- the splitting of the waste water into a filter cake and a liquid filtrate by means of a filter medium is also referred to as filtration.
- the filter medium also colloquially called filter, retains solids from the liquid.
- the solids-free phase is referred to in the filtration of liquids as filtrate.
- the solid remaining on the surface of the filter medium for example a sieve, is called filter cake, as already explained above. If it falls off the filter and collects on the ground, it is called a sediment or just a solid.
- the fresh water inlet can be used to clean the greywater tank, for example around the sediments with the inlet area-side cleaning drainage and raised slides of the curtain filter. to rinse off.
- the fresh water inlet may be formed as a nozzle to clean the side walls of the gray water tank and / or the filter.
- the nozzle can be designed in such a way to eject a water jet which strikes the side walls of the greywater container and / or the filter directly.
- An advantage of the invention lies in the simplified cleaning of the greywater container. No half full tanks are sucked off anymore. As a result, the so-called life cycle costs are significantly minimized.
- a gray water tank 1 comprises a greywater inlet 2 in an inlet region 7, a drain 3 for filtered gray water in an outlet region 8, a filter 9 for filtering solid matter from the greywater between the greywater inlet 2 and the drain 3 for filtered gray water and a fill level sensor 10 in the inlet region 7th
- the level sensor 10 is here in the form of a Frequenzhub- level sensor formed as a level switch and at a predetermined height above a bottom 15 of the inlet 7 of the gray water tank 1 arranged to detect a predetermined level of solids in the gray water tank 1.
- the height of the predetermined level of solids in the greywater tank 1 corresponds to the height of the level sensor 10 above the bottom 15 of the gray water tank 1.
- the solid is filtered by the filter 9 from the gray water and retained (filter cake) and deposits on the ground and is then called sediment.
- the deposited solid is identified here by the reference numeral 11.
- the drain 3 has a tube 16, which is guided through the bottom 15 of the gray water tank 1 and protrudes into the greywater tank 1. It also serves as an overflow.
- the pipe 16 usually ends above the tracks for a rail vehicle on which the filtered gray water is discharged.
- the filtered greywater can also be supplied to a greywater consumer, for example a toilet of the rail vehicle, as rinse water.
- the pipe 16 downstream of the drain may include a drain valve 17 for regulating the flow of filtered gray water through the drain 3.
- a filter 9 here is a slide filter with a fixed upper slide 13 which is firmly connected to the gray water tank 1 and rigidly arranged in the gray water tank 1 on the ceiling side and extending in the direction of the bottom 15 of the gray water tank 1 and a fixed lower gate 12th , which is also firmly connected to the gray water tank 1 and rigidly arranged in the gray water tank 1 on the bottom side and extends in the direction of the ceiling of the greywater container 1.
- the level sensor 10 is arranged at a predetermined height above a bottom 15 of the inlet region 7 of the greywater container 1, which lies below a lower side of the upper link 13 and above an upper side of the lower link 12.
- a permeable membrane 14 for filtering solid particles of predetermined size from the gray water is additionally arranged here. This is here connected to the top of the lower gate 12 and with a cover of the gray water tank 1 and extends over the entire width of the greywater tank 1 in the plane or out of this between its side walls.
- Sediment deposits 11 can be found here both in the inlet area 7 and in the outlet area 8.
- the outlet area 8 is significantly smaller.
- the greywater container 1 here comprises a bottom-side cleaning effluent 5.
- the cleaning effluent 5 in the outlet region 8 may also be dispensed with. It opens in this embodiment example in a suction, which is connectable via a shut-off device 19, for example a ball valve with an exhaust device.
- a cleaning opening 4 in the bottom 15 of the inlet portion 7 of the greywater container 1 is provided. It may have a size suitable for manual maintenance and / or, if necessary, manual cleaning.
- a portion of the bottom 22 of the greywater container 1 is designed to be displaceable. This bottom portion 22 closes in an inserted position, the cleaning opening 4 in the bottom 15 of the greywater container 1. For gripping and moving the bottom portion 22 here outside of the greywater container on a handle-like projection 21.
- the displaceable bottom section 22 is guided along laterally arranged guide rails 24. In the retracted position of the displaceable bottom portion 22 is sealed against the greywater container 1. Below the closable cleaning opening 4, a collecting container 23 for receiving deposited by the filter 9 sediment is arranged. During the opening of the closable cleaning opening 4 by moving the displaceable Bodenab- section 22 from the retracted position to the extended position, the sediment 11 thus falls easily into the collecting container 23rd
- a scraper 20 Arranged on an end wall in the inlet region 7 of the greywater container 1 is a scraper 20, which is prestressed against the displaceable bottom section 22 and thus able to adhere to the displaceable bottom section 22 when the displaceable bottom section 22 moves from the inserted position into the to remove the extended position.
- a rinsing nozzle is arranged as a fresh water inlet 6 for supplying fresh water on the ceiling side in the outlet region 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)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17768092T PL3487743T3 (en) | 2016-09-20 | 2017-09-13 | Greywater treatment device for a rail vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016218001.0A DE102016218001A1 (en) | 2016-09-20 | 2016-09-20 | Gray water treatment device for a rail vehicle |
PCT/EP2017/072999 WO2018054738A1 (en) | 2016-09-20 | 2017-09-13 | Greywater treatment device for a rail vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3487743A1 true EP3487743A1 (en) | 2019-05-29 |
EP3487743B1 EP3487743B1 (en) | 2020-05-13 |
Family
ID=59887260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17768092.3A Active EP3487743B1 (en) | 2016-09-20 | 2017-09-13 | Greywater treatment device for a rail vehicle |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP3487743B1 (en) |
CN (1) | CN210391147U (en) |
DE (1) | DE102016218001A1 (en) |
DK (1) | DK3487743T3 (en) |
ES (1) | ES2808127T3 (en) |
PL (1) | PL3487743T3 (en) |
PT (1) | PT3487743T (en) |
RU (1) | RU194282U1 (en) |
WO (1) | WO2018054738A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019206978B4 (en) * | 2019-05-14 | 2020-12-17 | Meiko Maschinenbau Gmbh & Co. Kg | Dishwasher for use in a means of transport |
DE102023204083A1 (en) | 2023-05-03 | 2024-11-07 | Siemens Mobility GmbH | Cleaning routine for a bidet nozzle of an integrated toilet-bidet unit |
DE102023204085A1 (en) | 2023-05-03 | 2024-11-07 | Siemens Mobility GmbH | Sanitary facility for a rail vehicle with recontamination-free bidet |
Family Cites Families (13)
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 (en) | 1991-07-18 | 1993-01-21 | Blohm & Voss Int | Collector tank for repeated use of waste water in aircraft - has special container enabling wash basin drain water to be used for toilet flushing |
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 (en) * | 2004-06-25 | 2006-01-12 | Müller, Wolfgang | Device for cleaning of inner wall surfaces of container for gray or black water has nozzles distributed over circumference of pipe-form element so that all internal surfaces are impacted by cleaning medium |
DE102004042147A1 (en) * | 2004-08-31 | 2006-03-02 | AOA Luftfahrtgeräte Gauting GmbH | Toilet arrangement for use in e.g. railway vehicle, has bowl and intermediate chamber integrally accommodated in sewage water tank, and integral unit assigned to chamber for evacuation of chamber and for producing high pressure in chamber |
BRPI0602931B1 (en) * | 2006-06-28 | 2015-02-03 | Hans Georg Kraus | SEWAGE TREATMENT STATION FOR BIOLOGICAL DEGRADATION |
DK2484574T3 (en) | 2011-02-07 | 2013-12-02 | Alstom Transport Sa | A water storage and distribution system with a water tank circulation |
US9701410B2 (en) | 2012-05-17 | 2017-07-11 | Mag Aerospace Industries, Llc | Two-stage flush and grey water flush systems and devices |
DE102012023683A1 (en) | 2012-11-28 | 2014-05-28 | Dowaldwerke Gmbh | Sanitary unit such as wash basin and shower used in toilet of rail vehicle, has primary and secondary valves that are connected to electronic control unit which is designed such that simultaneous opening of valves is precluded |
DE102013205084B3 (en) | 2013-03-22 | 2014-05-28 | Siemens Aktiengesellschaft | Rail vehicle with a gray water treatment device |
FR3013299B1 (en) * | 2013-11-19 | 2016-01-01 | Alstom Transport Sa | WATER STORAGE AND DISTRIBUTION SYSTEM FOR COMPACT TOILETS |
PL3164314T3 (en) * | 2014-09-30 | 2020-09-07 | Siemens Mobility GmbH | Toilet device having a backflushing function for a particle filter |
-
2016
- 2016-09-20 DE DE102016218001.0A patent/DE102016218001A1/en not_active Ceased
-
2017
- 2017-09-13 ES ES17768092T patent/ES2808127T3/en active Active
- 2017-09-13 CN CN201790001253.8U patent/CN210391147U/en active Active
- 2017-09-13 PT PT177680923T patent/PT3487743T/en unknown
- 2017-09-13 PL PL17768092T patent/PL3487743T3/en unknown
- 2017-09-13 RU RU2019111129U patent/RU194282U1/en active
- 2017-09-13 EP EP17768092.3A patent/EP3487743B1/en active Active
- 2017-09-13 WO PCT/EP2017/072999 patent/WO2018054738A1/en unknown
- 2017-09-13 DK DK17768092.3T patent/DK3487743T3/en active
Also Published As
Publication number | Publication date |
---|---|
DE102016218001A1 (en) | 2018-03-22 |
RU194282U1 (en) | 2019-12-05 |
CN210391147U (en) | 2020-04-24 |
WO2018054738A1 (en) | 2018-03-29 |
PT3487743T (en) | 2020-06-01 |
PL3487743T3 (en) | 2020-10-19 |
DK3487743T3 (en) | 2020-08-03 |
EP3487743B1 (en) | 2020-05-13 |
ES2808127T3 (en) | 2021-02-25 |
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