KR200149855Y1 - Exhaust pipe of engine for a ship - Google Patents

Exhaust pipe of engine for a ship Download PDF

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Publication number
KR200149855Y1
KR200149855Y1 KR2019960066949U KR19960066949U KR200149855Y1 KR 200149855 Y1 KR200149855 Y1 KR 200149855Y1 KR 2019960066949 U KR2019960066949 U KR 2019960066949U KR 19960066949 U KR19960066949 U KR 19960066949U KR 200149855 Y1 KR200149855 Y1 KR 200149855Y1
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KR
South Korea
Prior art keywords
exhaust pipe
engine
inlet
exhaust
ship
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KR2019960066949U
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Korean (ko)
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KR19980053759U (en
Inventor
이홍구
권재일
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추호석
대우중공업주식회사
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Priority to KR2019960066949U priority Critical patent/KR200149855Y1/en
Publication of KR19980053759U publication Critical patent/KR19980053759U/en
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Publication of KR200149855Y1 publication Critical patent/KR200149855Y1/en

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    • 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
    • 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
    • F01N3/005—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for draining or otherwise eliminating condensates or moisture accumulating in the apparatus
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/22—Water or humidity
    • 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

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  • 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)

Abstract

본 고안은 최종 외부로 배출시키는 배기관으로써 배기관의 배압방지와 응축수 및 외부유입 빗물 등의 유입이 최소화되게 한 선박용 엔진의 배기관에 관한 것이다.The present invention relates to the exhaust pipe of the marine engine to minimize the back pressure of the exhaust pipe and to minimize the inflow of condensate and external inflow rainwater as the exhaust pipe discharged to the final outside.

상기 목적을 달성하기 위해 본 고안은 후방을 큰 반경으로 구부린 엔진측 유입 배기관과 상기 유입배기관경보다 직경이 큰 배출배기관을 컵형으로써 수직되게 상기 유입배기관 후방이 삽입되게 관통하여 용접하되, 상기 배출배기관의 중심선과 동일 또는 평행되게 후방측으로 수직절단한 절단부를 형성해서 이루어진다.In order to achieve the above object of the present invention, the engine-side inlet exhaust pipe bent at a large radius and the exhaust exhaust pipe having a diameter larger than the inlet pipe diameter are penetrated by welding the rear of the inlet exhaust pipe vertically as a cup type, and the exhaust pipe It is made by forming a vertical cut to the rear side to be the same or parallel to the center line of.

Description

선박용 엔진의 배기관{Exhaust pipe of engine for a ship}Exhaust pipe of engine for a ship}

본 고안은 선박용 엔진의 배기관에 관한 것으로, 특히 최종 외부로 배출시키는 배기관으로써 배기관의 배압방지와 응축수 및 외부유입 빗물 등의 유입이 최소화되게 한 선박용 엔진의 배기관에 관한 것이다.The present invention relates to an exhaust pipe of a marine engine, and more particularly, to an exhaust pipe of a marine engine that minimizes the inflow of condensate and external inflow rainwater and prevents back pressure of the exhaust pipe as a final exhaust pipe.

일반적으로 선박엔진의 선체거치중, 길이가 긴 배기관의 설치 및 공간상의제약으로 굴곡이 많은 배기관을 설치함으로써 발생하는 과다한 배압을 방지하여 매연의 과다발생이나 출력의 열화를 막기 위하여, 배기관장치는 엔진 실린더헤드의 배기포트 면적보다 1∼2등급 큰 직경의 배기관을 사용하도록 하고 있다. 또, 엔진의 사용도중 가동, 정지의 반복에 따른 온도변화로 발생하는 배기관내의 응축수 및 외부노출배기관으로의 빗물이나 비산물이 배기관을 통하여 엔진내부로 유입되어 엔진이 대파되는 하자를 방지하기 위하여, 배기관내의 응축수를 배출시키는 장치를 포함한다.In general, in order to prevent excessive back pressure caused by installing a long exhaust pipe and installing a large exhaust pipe due to space constraints in the hull of a ship engine, the exhaust pipe device is an engine to prevent excessive smoke generation and output deterioration. Exhaust pipes with a diameter of 1 to 2 larger than the exhaust port area of the cylinder head are to be used. Also, in order to prevent defects such as condensate in the exhaust pipe and rainwater or fly-bye to the external exposure exhaust pipe flowing into the engine through the exhaust pipe due to the temperature change caused by the repeated start-up and stop of the engine. And a device for discharging condensate in the exhaust pipe.

상기의 목적을 달성하기 위한 종래의 배기관을 제 1 도에 따라 설명하면 다음과 같다.Referring to FIG. 1, a conventional exhaust pipe for achieving the above object is as follows.

배기관 출구의 면적을 입구의 면적보다 크게 하기 위하여 배기관을 확관하여 사용하거나 주물 배기관을 사용한다.Exhaust pipes may be expanded or cast exhaust pipes may be used in order to make the area of the exhaust pipe outlet larger than that of the inlet.

이러한 종래 배기관(100)은 엘보우형태로써 입구(110)보다 출구(120)를 넓게 구성한다.The conventional exhaust pipe 100 has a wider outlet 120 than the inlet 110 in the form of an elbow.

한편, 상기 입구(110)의 내측 하부로는 주기적으로 모인 빗물이나 응축수를 배출하기 위한 배출수단(130)을 구비하고 있다.On the other hand, the inner lower portion of the inlet 110 is provided with a discharge means 130 for discharging the rain water or condensed water periodically collected.

그러나 이러한 종래의 배기관은 제조공정이 복잡하며, 구조상 외부로부터 이물질이 유입되면, 그대로 엔진내부로 유입되는 결점을 가지고 있다. 또, 작은 배기관을 큰 배기관에 연결함으로써 배기배압이 커지는 결점이 있다. 또한, 응축수나 침입수가 유입되었을 때, 일시에 많은 량이 유입되거나, 주기적으로 배출시키지 않았을 경우에는 엔진 내부로의 액체유입을 방지할 수 없다. 또, 배출주기내에서응축수가 모여있을 배출수단(130)의 충분한 공간이 확보되어있지 못하여, 엔진내부로의 액체나 이물질의 유입을 확실하게 차단할 수 없는 문제점이 있다.However, such a conventional exhaust pipe has a complicated manufacturing process, and when foreign matters are introduced from the outside of the structure, the exhaust pipe has a defect of being introduced into the engine as it is. In addition, there is a disadvantage that the exhaust back pressure is increased by connecting the small exhaust pipe to the large exhaust pipe. In addition, when a large amount flows in at a time when condensed water or infiltration water flows in, or when it is not periodically discharged, it is impossible to prevent the liquid flow into the engine. In addition, there is a problem that a sufficient space of the discharge means 130 to collect the condensed water in the discharge cycle is not secured, so that the inflow of liquid or foreign matter into the engine can not be blocked reliably.

따라서 본 고안은 이상과 같은 문제점을 해결하고자 창안된 것으로, 본 고안의 목적은 선박엔진 배기관 장치의 제조공정을 단순화하고, 종래 기술의 문제점이었던 엔진 내부로의 액체나 이 물질 유입을 효과적으로 차단하고, 배출관의 주기적인 응축수 배출작업을 삭제함에 그 목적이 있다.Therefore, the present invention was devised to solve the above problems, and an object of the present invention is to simplify the manufacturing process of the ship engine exhaust pipe system, effectively block the inflow of liquid or foreign matter into the engine, which was a problem of the prior art, The purpose is to eliminate the periodic condensate drainage of the discharge line.

상기 목적을 달성하기 위해 본 고안은 후방을 큰 반경으로 구부린 엔진측 유입 배기관과 상기 유입배기관경보다 직경이 큰 배출배기관을 컵형으로써 수직되게 상기 유입배기관 후방이 삽입되게 관통하여 용접하되 상기 배출배기관의 중심선과 동일 또는 평행되게 후방측으로 수직절단한 절단부를 형성해서 이루어진다.In order to achieve the above object of the present invention, the engine-side inlet exhaust pipe bent at a large radius and the exhaust exhaust pipe having a diameter larger than the intake pipe diameter are penetrated by welding the rear of the inlet exhaust pipe vertically in a cup form to weld the exhaust pipe. It is made by forming a cut portion vertically cut back to the same or parallel to the center line.

도 1은 종래의 배기관1 is a conventional exhaust pipe

도 2는 본 고안의 배기관2 is an exhaust pipe of the present invention

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 유입배기관 11 : 절단부10: inlet exhaust pipe 11: cutting part

20 : 배출배기관 21 : 포집 공간부20: exhaust pipe 21: collecting space

이하에서 본 고안을 바람직한 실시예의 첨부된 도면에 의거 보다 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings of a preferred embodiment.

선박의 엔진배기관을 형성함에 있어서, 제 2도에서와 같이 후방을 큰 반경으로 구부린 엔진측 유입배기관(10)과, 상기 배기관보다 직경이 큰 배출배기관(20)을 컵형으로써 수직되게 하여, 상기 유입배기관의 곡률 후방이 관통 삽입되어 용접연결함과 동시에 상기 배출배기관(20)의 중심선과 동일 또는 후방측으로 평행하게 유입배기관(10)의 후단부를 수직절단한 절단부(11)를 형성해서 이루어진다.In forming the engine exhaust pipe of the ship, as shown in FIG. 2, the engine inlet exhaust pipe 10 bent rearwards with a large radius and the exhaust exhaust pipe 20 having a diameter larger than the exhaust pipe are vertically formed in a cup shape, and the inflow is performed. The curvature rear of the exhaust pipe is inserted and welded, and at the same time, the cutting end 11 is formed by vertically cutting the rear end portion of the inlet exhaust pipe 10 in parallel with or parallel to the center line of the exhaust pipe 20.

이때 배출배기관(20)의 하부는 포집공간부(21)를 비교적 큰 공간으로 가지게 된다.At this time, the lower portion of the exhaust pipe 20 has a collecting space 21 as a relatively large space.

따라서 포집공간부(21)가 모인물 등은 운전중 배기관의 자체 열로 증발 제거된다.Therefore, the water collected in the collecting space 21 is evaporated and removed by its own heat of the exhaust pipe during operation.

이상과 같이 구성된 본 고안의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.

엔진에서 발생한 배기가스가 큰 반경으로 구부린 엔진측 유입 배기관(10)에 유입되어, 유입 배기관(10)보다 직경이 큰 배출 배기관(20)안에서 절단부(11)에 의해 세로방향으로 절단된 큰 단면적으로 배출된다.Exhaust gas generated from the engine flows into the engine side inlet exhaust pipe 10 bent to a large radius, and is cut in the longitudinal direction by the cutting section 11 in the exhaust exhaust pipe 20 having a larger diameter than the inlet exhaust pipe 10. Discharged.

이때, 유입 배기관(10)의 크게 구부러진 반경에 의하여, 급격한 방향변화에 따른 배기저항을 억제할 수 있고, 유입 배기관의 출구를 비스듬히 절단하여 출구면적을 확대함으로서, 배기저항을 억제할 수 있다.At this time, by the largely bent radius of the inlet exhaust pipe 10, exhaust resistance due to a sudden change in direction can be suppressed, and the exhaust resistance can be suppressed by cutting the outlet of the inlet exhaust pipe obliquely and expanding the outlet area.

또한, 유입 배기관(10)의 출구 형상을 배출 배기관(20) 중심과 평행하게 절단하여, 외부로부터 응축수나 이물질 등이 유입되었을 때, 엔진 내부로의 유입이 불가능하게 되어 엔진을 외부 이물질로부터 확실히 보호할 수 있다.In addition, the outlet shape of the inlet exhaust pipe 10 is cut parallel to the center of the exhaust exhaust pipe 20, so that when condensed water or foreign matter is introduced from the outside, the inflow into the engine becomes impossible, thereby reliably protecting the engine from foreign matter. can do.

이는 선박의 진행중에는 유입되는 빗물 등이 유입배기관의 후방측 배출배기관(20)의 후방측내벽에 부담하며 유입되기 때문이다.This is because rainwater, etc., which are introduced during the progress of the vessel, are introduced to the rear inner wall of the rear side exhaust exhaust pipe 20 of the inlet exhaust pipe.

이상과 같이 구성되고 작용되는 본 고안은 과다한 배기배압의 발생을 방지하기 위한 확관형 배기관의 구조를 단순한 용접구조 방식으로 그 제작을 용이케하며, 외부로부터 응축수나 이물질이 유입되더라도 직접 유입이 불가능한 구조로 하고, 액체의 경우에는 충분한 포집공간을 확보하여 운전중 배기관의 자체 열로 증발하여 제거되게 함으로써 보다 저렴한 단가에 기능이 향상되는 효과가 있는 것이다.The present invention, which is constructed and operated as described above, facilitates the fabrication of the expansion-type exhaust pipe to prevent excessive exhaust back pressure by a simple welding structure, and does not allow direct inflow even when condensed water or foreign substances are introduced from the outside. In the case of a liquid, by ensuring sufficient collection space to be removed by evaporation by the heat of the exhaust pipe during operation, there is an effect of improving the function at a lower cost.

Claims (3)

선박 엔진의 배기관을 형성함에 있어서, 엔진측에 연결된 유입배기관(10)과, 상기 유입배기관보다 직경이 큰 배출배기관(20)으로 구성하고, 상기 유입배기관 (10)은 배출배기관(20)의 일측면에서 내부로 연장돌출되게 접합하며, 상기 배출배기관(20)의 내부로 연장돌출된 상기 유입배기관(10)은 그 끝이 상기 배출배기관 (20)과 같은 방향으로 구부러진 형상을 가지며, 상기 유입배기관(10)과 접합된 배출배기관(20)의 저부에는 포집공간부(21)가 형성된 것을 특징으로 한 선박용 엔진의 배기관.In forming the exhaust pipe of the ship engine, the inlet exhaust pipe 10 connected to the engine side and the exhaust exhaust pipe 20 having a larger diameter than the inlet exhaust pipe, the inlet exhaust pipe 10 is one of the exhaust exhaust pipe 20 The inlet exhaust pipe 10 is protruded from the side to extend into the inside, and protruded into the discharge exhaust pipe 20 has a shape in which the end is bent in the same direction as the exhaust pipe 20, the inlet exhaust pipe The exhaust pipe of the marine engine, characterized in that the collecting space portion 21 is formed at the bottom of the exhaust exhaust pipe 20 bonded to the (10). 제 1항에 있어서, 배출배기관(20)의 내부로 연장 돌출된 유입배기관(10)의 일단부를 상기 배출배기관(20)의 방향과 평행하게 절단한 절단부(11)를 형성한 것을 특징으로 하는 선박용 엔진의 배기관.The ship according to claim 1, wherein a cutout portion (11) is formed by cutting one end of the inlet exhaust pipe (10) protruding into the exhaust pipe (20) in parallel with the direction of the exhaust pipe (20). Exhaust pipe of the engine. 제 1항 또는 제 2항에 있어서, 상기 배출배기관(20)은 대략 수직형태로 세워진 것을 특징으로 하는 선박용 엔진의 배기관.3. The exhaust pipe of a marine engine according to claim 1 or 2, wherein the exhaust pipe (20) is erected in a substantially vertical form.
KR2019960066949U 1996-12-31 1996-12-31 Exhaust pipe of engine for a ship KR200149855Y1 (en)

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KR2019960066949U KR200149855Y1 (en) 1996-12-31 1996-12-31 Exhaust pipe of engine for a ship

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KR200149855Y1 true KR200149855Y1 (en) 1999-10-01

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Cited By (1)

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KR20170137360A (en) * 2016-06-03 2017-12-13 현대중공업 주식회사 Exhaust gas system for improving performance and durability of SCR reactor
KR102206943B1 (en) 2016-06-03 2021-01-22 현대중공업 주식회사 Exhaust gas system for improving performance and durability of SCR reactor

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