EP3120001B1 - Dispositif pour évacuer les gaz d'échappement d'un moteur de bateau - Google Patents

Dispositif pour évacuer les gaz d'échappement d'un moteur de bateau Download PDF

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Publication number
EP3120001B1
EP3120001B1 EP15707633.2A EP15707633A EP3120001B1 EP 3120001 B1 EP3120001 B1 EP 3120001B1 EP 15707633 A EP15707633 A EP 15707633A EP 3120001 B1 EP3120001 B1 EP 3120001B1
Authority
EP
European Patent Office
Prior art keywords
flue
region
outlet nozzle
overflow wall
exhaust
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
EP15707633.2A
Other languages
German (de)
English (en)
Other versions
EP3120001A1 (fr
Inventor
Christian Thieme
Adalberto Fangauf
Hauke Harder
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.)
ThyssenKrupp AG
ThyssenKrupp Marine Systems GmbH
Original Assignee
ThyssenKrupp AG
ThyssenKrupp Marine Systems 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 ThyssenKrupp AG, ThyssenKrupp Marine Systems GmbH filed Critical ThyssenKrupp AG
Publication of EP3120001A1 publication Critical patent/EP3120001A1/fr
Application granted granted Critical
Publication of EP3120001B1 publication Critical patent/EP3120001B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/004—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 specially adapted for marine propulsion, i.e. for receiving simultaneously engine exhaust gases and engine cooling water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/32—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels
    • B63H21/34—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels having exhaust-gas deflecting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/04—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more silencers in parallel, e.g. having interconnections for multi-cylinder engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/085—Other arrangements or adaptations of exhaust conduits having means preventing foreign matter from entering exhaust conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/32—Arrangements of propulsion power-unit exhaust uptakes; Funnels peculiar to vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/22—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a condensation chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/20—Dimensional characteristics of tubes, e.g. length, diameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids

Definitions

  • the present invention relates to a device for discharging exhaust gases of a marine engine according to the preamble of patent claim 1.
  • Such a device is for example from the document DE 100 24 650 A1 is known and serves to guide the resulting when burning fuel in a marine engine exhaust gases by means of the arranged above the waterline on-board passage outboard.
  • the on-board passage is arranged on the side wall, for example in the region of the ship's stern, so that the exiting exhaust gases are removed from the ship when driving ahead.
  • a disadvantage of this solution is that exhaust gases can flow into the spaces surrounding the exhaust gas channel due to the interruption of the exhaust gas duct.
  • a shield which prevents the outflow of the exhaust gases in the region of the interruption is only relatively complicated to implement and thus costly.
  • a device for discharging exhaust gases of a marine engine comprising an exhaust passage, which extends from the marine engine to a through-passage, and a water trap, which includes a sump, which is arranged below a drain neck formed in the exhaust duct, wherein on the side of the outlet nozzle facing the motor, a guide bevel is disposed within the exhaust passage, wherein on the side of the outlet nozzle facing the on-board passage, an overflow wall is arranged.
  • the device according to the invention has the advantage over the prior art that the exhaust gas duct in the region of the water trap is tapered by the guide bevel and thus reduces the cross section of the exhaust gas duct.
  • the exhaust gas flow is thereby accelerated to the level of the water trap and creates a negative pressure in the region of the outlet nozzle or the collecting trough, through which air is sucked through the discharge nozzle into the exhaust gas duct.
  • the water trap prevents seawater from flowing beyond the discharge nozzle in the direction of the ship's engine.
  • the guide bevel is disposed within the exhaust passage, so that the exhaust passage may be advantageously formed as a continuous or continuous channel, apart from the drain port.
  • the exhaust gases could thus escape through the outlet pipe in the direction of the collecting trough from the exhaust duct at best.
  • This is effectively prevented by the negative pressure generated in this area by means of the guide bevels.
  • the marine engine preferably comprises a gas turbine. It is also conceivable that the marine engine includes a classic internal combustion engine, such as a diesel, gas or gasoline engine. Alternatively, it would also be conceivable that the ship's engine is only a generator (for example for supplying an electric motor).
  • the exhaust duct is in particular of such Design, that it includes a horizontal exhaust outlet in the area of the ship's side wall.
  • the guide bevel is formed such that it increases successively along the exhaust gas flow direction from the marine engine to the on-board passage.
  • the flow cross-section is reduced, without causing the flow resistance is too high or flow vortex arise in the exhaust stream.
  • the guide bevel is preferably designed such that the effective flow cross-section of the exhaust passage in the region of the water trap is reduced compared to the rest of the exhaust passage in order to achieve the increase in the flow rate of the exhaust gas flow at the height of the water trap.
  • an overflow wall is arranged on the side of the outlet nozzle facing the on-board passage.
  • the overflow wall acts as a weir and ensures in an advantageous manner that obstructed by the on-board passage into the exhaust duct seawater and is braked. In this way it can be prevented, in particular, that the seawater flows at high speed beyond the discharge nozzle in the direction of the ship's engine.
  • the vertical height of the guide slope perpendicular to the main extension direction of the exhaust passage is greater than the vertical height of the overflow wall perpendicular to the main extension direction.
  • the flow cross sections in the region of the guide slope and in the region of the overflow wall are preferably similar, although the flow cross section in the region of the overflow wall is greater than the flow cross section in the region of the guide slope. It has been found that, as a result, the suction effect of air through the outlet pipe can be advantageously maximized and thus escape of exhaust gases through the outlet pipe is reliably prevented.
  • the outlet nozzle comprises an opening in the exhaust passage, which opens into the collecting trough, wherein the overflow wall is spaced from the opening in the direction of the through-passage.
  • the distance between the opening and the overflow wall is prevented by the distance between the opening and the overflow wall, that it does not come in a possible recirculation to a vertical flow of exhaust gases in the discharge nozzle, whereby exhaust gases from the Exhaust duct would escape.
  • the distance is preferably between 50 and 1000 millimeters, more preferably between 100 and 300 millimeters and particularly preferably substantially 200 millimeters.
  • the exhaust gas duct in the region of the overflow wall has a cross section restricted by the overflow wall and the cross section of the discharge nozzle substantially corresponds to the restricted cross section of the exhaust gas duct in the region of the overflow wall.
  • the exhaust gas duct is formed as a closed channel, at least in the region of the water trap, with the exception of the opening.
  • the guide slope is formed in particular only in the bottom region of the exhaust passage. It is conceivable that the Leitschräge also extends partially over the opening of the drain neck.
  • the guide bevel is in particular designed such that the exhaust gas flow is directed from the guide bevel in the upper region of the exhaust passage and over the discharge nozzle.
  • FIG. 1 schematically illustrates a schematic device 10 for discharging exhaust gases of a marine engine according to an exemplary embodiment.
  • the device 10 comprises an exhaust duct 1, which extends from a ship engine, not shown, in particular a ship's diesel engine, to a through-passage 4.
  • the on-board passage 4 comprises an exhaust gas outlet opening in the side wall 12 of the ship.
  • the device 10 has a water trap 11.
  • the water trap 11 comprises a collecting trough 3, in which the seawater penetrating through the through-flow passage 4 is collected and thus prevented from continuing to flow in the direction of the ship's engine.
  • the drip pan 3, for example, fluidly connected to a drainage and pump system, not shown, through which the collected in the drip pan 4 seawater can be pumped outboard if necessary.
  • the drainage channel 1 has an outlet connection 7, through which the seawater passes from the exhaust gas channel 1 to the collecting trough 3 (see flow direction 9).
  • the drain neck 7 has an opening whose wall protrudes in the direction of the drip pan 3.
  • the exhaust duct 7 is closed except for this opening in the water trap continuously, designed as uninterrupted.
  • the device 10 On a side of the drain neck 7 facing the on-drilled passage 4, the device 10 has an overflow wall 2 which projects vertically from the bottom region of the exhaust gas duct 1 in the direction of the middle of the duct.
  • the overflow wall 2 is spaced from the opening in the discharge nozzle 7 along the exhaust gas flow direction 5 and in the direction of the on-board passage 4 by a defined minimum distance 8.
  • the overflow wall 2 is a weir there and serves to hinder and decelerate through the on-board passage 4 in the exhaust duct 1 due to waves or sea blow penetrating seawater.
  • the height of the overflow wall 2 is dimensioned such that the flow cross-section remaining free in the exhaust duct 1 substantially corresponds to the cross-section of the downcomer 7 or is small. All penetrating seawater, which overcomes the overflow wall 2, can thus be discharged through the drain port 7 into the drip pan 3. Damming the seawater in the exhaust duct 1 is thus prevented.
  • the device 10 further has on the side facing the ship engine side of the downcomer 7 on a guide bevel 6.
  • the guide bevel 6 is disposed within the exhaust passage 1 and extends partially over the opening of the discharge nozzle 7.
  • the guide bevel 6 is arranged in the bottom region of the exhaust passage 1 and formed such that it successively increases along the exhaust flow direction 5 from the marine engine to the on-board passage 4 and increasingly extends into the middle of the channel.
  • the flow cross-section available for the exhaust gases in the region of the water trap 11 is reduced.
  • the flow velocity of the exhaust gases increases in the region of the water trap 11 compared to the flow velocity in the rest of the exhaust gas channel 1 (before and after the water trap).
  • the vertical height of the guide slope 6 perpendicular to the main extension direction of the exhaust passage 1 is greater than the vertical height of the overflow wall 2 perpendicular to the main extension direction of the exhaust passage 1.
  • the flow cross section is thus slightly smaller than the flow cross section in the region of the overflow wall 2 in the region of the maximum point of the guide bevel 6 ,

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (10)

  1. Dispositif (10) pour évacuer des gaz d'échappement d'un moteur de bateau, présentant un conduit de gaz d'échappement (1) qui s'étend depuis le moteur de bateau jusqu'à un passe-coque (4), et un écoulement d'eau (11) qui comprend une cuve de réception (3), la cuve de réception (3) étant disposée en dessous d'une tubulure d'écoulement (7) réalisée dans le conduit de gaz d'échappement (1), un biseau de guidage (6) étant disposé à l'intérieur du conduit de gaz d'échappement (1) du côté de la tubulure d'écoulement (7) tourné vers le moteur de bateau, une paroi de débordement (2) étant disposée du côté de la tubulure d'écoulement (7) tourné vers le passe-coque (4).
  2. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le biseau de guidage (6) est réalisé de telle sorte qu'il monte successivement le long de la direction d'écoulement des gaz d'échappement (5) orientée depuis le moteur de bateau vers le passe-coque (4).
  3. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le biseau de guidage (6) est réalisé de telle sorte que la section transversale d'écoulement effective du conduit de gaz d'échappement (1) dans la région de l'écoulement d'eau (11) soit réduite par rapport au reste du conduit de gaz d'échappement (1).
  4. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel la hauteur verticale du biseau de guidage (6) perpendiculairement à la direction d'étendue principale du conduit de gaz d'échappement (1) est supérieure à la hauteur verticale de la paroi de débordement (2) perpendiculairement à la direction d'étendue principale du conduit de gaz d'échappement (1).
  5. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel la tubulure d'écoulement (7) présente une ouverture dans le conduit de gaz d'échappement (1) qui débouche dans la cuve de réception (3) et dans lequel la paroi de débordement (2) est de préférence espacée de l'ouverture dans la direction du passe-coque (4).
  6. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le conduit de gaz d'échappement (1) présente, dans la région de la paroi de débordement (2), une section transversale réduite par la paroi de débordement (2) et dans lequel la section transversale de la tubulure d'écoulement (7) correspond essentiellement à la section transversale réduite du conduit de gaz d'échappement (1) dans la région de la paroi de débordement (2).
  7. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le conduit de gaz d'échappement (1) est réalisé au moins dans la région de l'écoulement d'eau (11), à l'exception de l'ouverture, sous forme de conduit fermé.
  8. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le biseau de guidage (6) est uniquement réalisé dans la région du fond du conduit de gaz d'échappement (1) et s'étend en partie sur l'ouverture de la tubulure d'écoulement (7).
  9. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le biseau de guidage (6) est réalisé de telle sorte qu'une dépression par rapport à la région de la cuve de réception (3) soit produite dans la région de la tubulure d'écoulement (7).
  10. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le biseau de guidage (6) est réalisé de telle sorte que le courant de gaz d'échappement soit orienté depuis le biseau de guidage (6) dans la région supérieure du conduit de gaz d'échappement (1) et au-delà de la tubulure d'écoulement (7).
EP15707633.2A 2014-03-17 2015-03-03 Dispositif pour évacuer les gaz d'échappement d'un moteur de bateau Active EP3120001B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014103602.6A DE102014103602A1 (de) 2014-03-17 2014-03-17 Vorrichtung zum Abführen von Abgasen eines Schiffsmotors
PCT/EP2015/054373 WO2015139944A1 (fr) 2014-03-17 2015-03-03 Dispositif pour évacuer les gaz d'échappement d'un moteur de bateau

Publications (2)

Publication Number Publication Date
EP3120001A1 EP3120001A1 (fr) 2017-01-25
EP3120001B1 true EP3120001B1 (fr) 2018-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15707633.2A Active EP3120001B1 (fr) 2014-03-17 2015-03-03 Dispositif pour évacuer les gaz d'échappement d'un moteur de bateau

Country Status (5)

Country Link
EP (1) EP3120001B1 (fr)
KR (1) KR101972208B1 (fr)
DE (1) DE102014103602A1 (fr)
ES (1) ES2682681T3 (fr)
WO (1) WO2015139944A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3252282B1 (fr) * 2015-01-26 2019-06-26 Hino Motors Ltd. Tubulure arrière d'échappement comportant structure empêchant l'infiltration d'eau
CN107676162B (zh) * 2017-10-18 2020-01-24 陕西矩阵动力科技有限公司 排气装置及发动机
CN110848012A (zh) * 2019-11-08 2020-02-28 徐州博声汽车零部件有限公司 一种防水汽车排气管

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Publication number Priority date Publication date Assignee Title
DE1085137B (de) * 1955-12-09 1960-07-14 Bristol Aero Engines Ltd Abscheidegeraet zur Entfernung des Feuchtigkeitsgehalts aus in Leitungen stroemenden Gasen
US4019456A (en) * 1976-05-05 1977-04-26 Whittaker Corporation Marine wet exhaust system and improvements in powered marine vessel
US5746630A (en) * 1995-08-31 1998-05-05 Centek Industries, Inc. Combination wet marine exhaust muffler and water separator
US6358109B1 (en) * 1999-12-08 2002-03-19 Bombardier Motor Corporation Of America Air cooled marine engine exhaust
DE10024650A1 (de) 2000-05-18 2001-11-22 Blohm Voss Ag Vorrichtung zur Ableitung von Abgas an Bord von Schiffen
US6478645B1 (en) * 2001-09-06 2002-11-12 Marine Power, Inc. Moisture migration inhibitor for wet marine exhausts, and method therefore

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102014103602A1 (de) 2015-09-17
ES2682681T3 (es) 2018-09-21
KR20160130497A (ko) 2016-11-11
EP3120001A1 (fr) 2017-01-25
KR101972208B1 (ko) 2019-04-24
WO2015139944A1 (fr) 2015-09-24

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