EP3120001A1 - 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

Info

Publication number
EP3120001A1
EP3120001A1 EP15707633.2A EP15707633A EP3120001A1 EP 3120001 A1 EP3120001 A1 EP 3120001A1 EP 15707633 A EP15707633 A EP 15707633A EP 3120001 A1 EP3120001 A1 EP 3120001A1
Authority
EP
European Patent Office
Prior art keywords
exhaust
region
passage
overflow wall
marine engine
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
Application number
EP15707633.2A
Other languages
German (de)
English (en)
Other versions
EP3120001B1 (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

Links

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 with an exhaust duct, which extends from the marine engine to a
  • On-board passage extends, and a water trap, which comprises a collecting trough, which is arranged below a downcomer formed in the exhaust duct.
  • Such a device is known, for example, from the document DE 100 24 650 A1 and serves to guide the exhaust gases produced when burning fuel in a ship's internal combustion engine outboard by means of the on-board passage arranged above the waterline.
  • 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.
  • the document DE 100 24 650 A1 proposes to interrupt the exhaust duct and to provide a water trap, which comprises a arranged below the interruption of the exhaust duct drip tray.
  • the penetrating seawater is collected in the water trap via a corresponding gradient from the exhaust duct out in the drip pan and can be pumped out of the sump by an appropriate drainage system and storage tanks to outboard.
  • a device for discharging exhaust gases of a marine engine wherein the device comprises 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 downcomer formed in the exhaust duct, wherein on the side facing the engine of the downcomer a Leitschräge is disposed within the exhaust duct.
  • 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. As a result, the exhaust gas flow is accelerated to the level of the water trap and, in the region of the drain neck or the drip pan, a negative pressure is created, through which air flows through the drain neck into the water trap
  • Exhaust duct is sucked. In this way, it is effectively prevented that exhaust gases escape from the exhaust duct through the drain supports, in particular into the interior of the ship.
  • the water trap prevents seawater from flowing beyond the drainage supports in the direction of the ship's engine.
  • the guide bevel is disposed within the exhaust passage, so that the exhaust passage can be advantageously formed as a continuous or continuous channel apart from the drain supports. The exhaust gases could thus escape through the outlet pipe in the direction of the collecting trough from the exhaust duct at best. However, this is effectively prevented by the negative pressure generated in this area by means of the Leitschräge.
  • 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.
  • the ship's engine is only a generator (for example for supplying an electric motor).
  • the exhaust duct is in particular of such a type that it comprises a horizontal exhaust gas outlet in the region 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 formed such that the effective flow cross-section of the exhaust passage is reduced in the region of the water trap relative to the rest of the exhaust passage to the increase of
  • an overflow wall is arranged on the side facing the on-board passage side of the expiry.
  • 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
  • the vertical height of the guide bevel perpendicular to the main extension direction of the exhaust passage greater than the vertical height of the overflow wall perpendicular to
  • Main extension direction is.
  • the flow cross sections in the region of the guide slope and in the region of the overflow wall are preferably similar, although the
  • the discharge nozzle comprises an opening in the exhaust duct, which opens into the collecting trough, wherein the overflow wall from the opening in the direction of the on-board passage
  • the distance is preferably between 50 and 1000 millimeters, more preferably between 100 and 300 millimeters and particularly preferably substantially 200 millimeters.
  • Overflow wall corresponds.
  • only so much water can flow through the exhaust duct in the direction of the water trap, as can drain through the drain pipe into the drip pan. It is therefore prevented that water in the
  • Discharge outlet nozzle and thereby seawater over the outlet pipe away through the exhaust duct in the direction of the ship engine can flow.
  • 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.
  • Leitschräge 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 shows a schematic sectional view of a device according to an exemplary embodiment of the present invention.
  • FIG. 1 shows a schematic device 10 for discharging exhaust gases
  • Marine engine according to an exemplary embodiment shown schematically.
  • 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 water trap 1 1 comprises a drip pan 3, in which the penetrating through the on-board passage 4 seawater is collected and thus on
  • 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 a discharge nozzle 7, through which the seawater from the exhaust gas channel 1 to the drip pan 3 passes (see
  • 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 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 comprises on the ship engine side facing the
  • the guide bevel 6 is disposed within the exhaust passage 1 and extends partially over the opening of the drain neck 7. Die
  • Guide bevel 6 is arranged in the bottom region of the exhaust passage 1 and formed so that they along the exhaust flow direction 5 from the ship engine to
  • Throttle 4 gradually increases and increasingly extends into the middle of the channel.
  • the flow cross-section available for the exhaust gases decreases in the region of the water trap 11.
  • the flow velocity of the exhaust gases increases in the region of the water trap 11 relative to the flow velocity in the remaining exhaust gas channel 1 (before and after the water trap).
  • the outlet nozzle 7 and in the region of the drip pan 3 thus creates a negative pressure, which causes air to be sucked through the opening of the flow support 7 in the exhaust stream or in the exhaust duct 1. An escape of exhaust gases in the interior of the ship through the outlet pipe 7 is thus prevented.
  • Exhaust gas duct 1 is greater than the vertical height of the overflow wall 2 perpendicular to

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)

Abstract

L'invention concerne un dispositif (10), destiné à évacuer les gaz d'échappement d'un moteur de bateau, qui possède un conduit de gaz d'échappement (1) qui s'étend d'un moteur de bateau à un passe-coque (4), et un piège à eau (11), lequel comprend un bac collecteur (3) qui est disposé au-dessous d'une tubulure d'écoulement (7) formée dans le conduit de gaz d'échappement (1). L'objet de l'invention est caractérisé en ce qu'un déflecteur oblique (6) est disposé à l'intérieur du conduit de gaz d'échappement (1) sur le côté de la tubulure d'écoulement (7) qui fait face au moteur de bateau.
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 true EP3120001A1 (fr) 2017-01-25
EP3120001B1 EP3120001B1 (fr) 2018-06-06

Family

ID=52598759

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
WO2016121649A1 (fr) 2015-01-26 2016-08-04 日野自動車株式会社 Structure empêchant l'infiltration d'eau pour tubulure arrière d'échappement
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE102014103602A1 (de) 2015-09-17
KR20160130497A (ko) 2016-11-11
WO2015139944A1 (fr) 2015-09-24
KR101972208B1 (ko) 2019-04-24
EP3120001B1 (fr) 2018-06-06
ES2682681T3 (es) 2018-09-21

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