KR100850055B1 - Sea water feeder of a ship - Google Patents

Sea water feeder of a ship Download PDF

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Publication number
KR100850055B1
KR100850055B1 KR1020070081901A KR20070081901A KR100850055B1 KR 100850055 B1 KR100850055 B1 KR 100850055B1 KR 1020070081901 A KR1020070081901 A KR 1020070081901A KR 20070081901 A KR20070081901 A KR 20070081901A KR 100850055 B1 KR100850055 B1 KR 100850055B1
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South Korea
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sea water
pipe
hull
suction pipe
ship
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KR1020070081901A
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Korean (ko)
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양영석
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삼성중공업 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • B63B2013/005—Sea chests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2002/005—Intakes for coolant medium other than sea chests, e.g. for ambient water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

A sea water feeder of a ship is provided to increase efficiency of devices installed in an engine room by connecting an extension pipe having the length appropriate for sucking the sea water of deep sea to an intake pipe. A sea water feeder(100) of a ship includes an intake pipe(110), a pump(120), and an extension pipe(140). The intake pipe is installed inside of a hull, wherein an end of the intake pipe is exposed at a bottom side of the hull. The pump is installed on a top of the intake pipe to supply suction force for sucking the sea water. The extension pipe is detachably connected to the end of the intake pipe. A mesh net is detachably attached to the intake pipe or the extension pipe for preventing foreign materials from being introduced therein. A sealing chamber(150) forms a sealed space around the intake pipe inside of the hull.

Description

선박의 해수 공급 장치{SEA WATER FEEDER OF A SHIP}SEA WATER FEEDER OF A SHIP

본 발명은 엔진 룸의 각종 기기에 대한 냉각에 필요한 온도를 가지는 심해의 해수를 충분히 공급할 수 있도록 하기 위한 선박의 해수 공급 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seawater supply apparatus of a ship for allowing sufficient supply of seawater in a deep sea having a temperature necessary for cooling of various equipment in an engine room.

일반적으로, 선박은 사용목적에 따라 상선, 군함, 어선 및 특수 작업선으로 크게 구분할 수 있다. 상선은 여객 또는 화물을 운반하여 운임 수입을 얻는 것을 목적으로 하는 선박을 말하며, 이것을 다시 화물선, 화객선, 여객선으로 구분한다.In general, ships can be broadly classified into merchant ships, warships, fishing vessels and special working vessels according to their purpose of use. Merchant ships are vessels intended to carry passengers or cargo to earn freight revenue, which are further divided into cargo ships, passenger ships and passenger ships.

이러한 선박은 엔진 룸(engine room) 내에 설치된 각종 기기로 냉각수를 공급하기 위하여 해수 공급 장치가 구비된다.Such vessels are equipped with a seawater supply device for supplying cooling water to various equipment installed in an engine room.

종래의 선박에 마련되는 해수의 공급 장치를 첨부된 도면을 참조하여 설명하면 다음과 같다.Referring to the accompanying drawings, a seawater supply apparatus provided in a conventional vessel is as follows.

도 1은 종래의 기술에 따른 선박의 해수 공급 장치를 도시한 단면도이다. 도시된 바와 같이, 종래 선박의 해수 공급 장치(10)는 선체(20) 내의 하측에 마련됨과 아울러 흡입구(11a)가 형성되는 흡입챔버(11)와, 흡입챔버(11)에 연결되는 파이 프(12)와, 파이프(12)에 설치되는 펌프(13)를 포함한다.1 is a cross-sectional view showing a seawater supply apparatus of a vessel according to the prior art. As shown, the seawater supply apparatus 10 of the conventional vessel is provided on the lower side in the hull 20, the suction chamber 11 is formed with the suction port (11a) and the pipe connected to the suction chamber (11) 12 and a pump 13 installed on the pipe 12.

이와 같은, 종래 선박의 해수 공급 장치(10)는 펌프(13)의 펌핑에 의해 흡입구(11a)를 통해서 흡입챔버(11)로 유입된 해수를 파이프(12)를 통해서 엔진 룸 내의 각종 기기로 공급함으로써 이들 기기에 대한 냉각을 실시한다.The seawater supply apparatus 10 of the conventional vessel supplies the seawater introduced into the suction chamber 11 through the inlet 11a by the pumping of the pump 13 to various equipment in the engine room through the pipe 12. The cooling of these apparatus is performed by doing so.

상기한 바와 같이 종래의 기술에 따른 선박의 해수 공급 장치(10)는 흡입되는 해수의 깊이에 따라 온도 차이가 크기 때문에 저온의 해수를 안정적으로 공급하기 어렵다는 문제점을 가지고 있다. 즉, 냉각 효율을 증가시키기 위해서 더 낮은 온도의 해수를 공급해야 할 경우, 종래와 같이, 선체(20)내에 위치하는 흡입챔버(11)를 통해 해수를 흡입하는 경우 냉각에 필요한 온도의 해수를 제대로 공급하기 힘들뿐만 아니라 해수의 온도 편차가 심하여 안정적인 냉각수의 공급을 어렵게 하는 문제점을 가지고 있었다.As described above, the ship's seawater supply apparatus 10 according to the related art has a problem that it is difficult to stably supply low-temperature seawater because the temperature difference is large depending on the depth of the inhaled seawater. That is, when it is necessary to supply a lower temperature seawater in order to increase the cooling efficiency, as in the prior art, when the seawater is sucked through the suction chamber 11 located in the hull 20, the seawater of the temperature required for cooling properly Not only was it difficult to supply, but there was a problem that it was difficult to supply stable cooling water due to severe temperature variation of seawater.

본 발명은 엔진 룸의 각종 기기에 대한 냉각에 필요한 온도를 가지는 심해의 해수를 충분히 공급할 수 있도록 한다.The present invention makes it possible to sufficiently supply deep sea water having a temperature necessary for cooling of various equipment in the engine room.

본 발명의 선박의 해수 공급 장치는 선박의 해수 공급 시스템에 있어서, 선체 내에 설치되어 끝단이 선체의 하측으로 노출되는 흡입관과, 흡입관 상에 설치되며, 해수의 흡입을 위해 흡입력을 제공하는 펌프와, 흡입관에 설치되며, 해수의 이 동을 개폐시키는 개폐밸브와, 흡입관의 끝단에 분리 가능하게 결합되는 연장관을 포함한다.The seawater supply apparatus of the ship of the present invention, in the seawater supply system of the ship, the suction pipe is installed in the hull and the end is exposed to the lower side of the hull, the pump is provided on the suction pipe, and provides a suction force for the suction of seawater, It is installed in the suction pipe, and includes an opening and closing valve for opening and closing the movement of sea water, and an extension pipe detachably coupled to the end of the suction pipe.

본 발명은 흡입관에 심해의 해수를 흡입하기에 알맞은 길이를 가지는 연장관을 연결시킬 수 있도록 함으로써 엔진 룸의 각종 기기에 대한 냉각에 필요한 온도를 가지는 심해의 저온 해수를 충분히 공급할 수 있도록 하며, 이로 인해 엔진 룸에 설치되는 기기의 효율을 증대시키는 효과를 가지고 있다. According to the present invention, the suction pipe can be connected to an extension pipe having a length suitable for sucking deep sea water so that the low temperature sea water having a temperature required for cooling of various equipment in the engine room can be sufficiently supplied. It has the effect of increasing the efficiency of the equipment installed in the room.

본 발명은 흡입관과 이에 착탈 가능하게 연결되는 연장관을 마련함으로써 연장관을 통해서 엔진 룸의 각종 기기에 대한 냉각에 필요한 온도를 가지는 심해의 해수를 충분히 공급할 수 있다. According to the present invention, by providing a suction pipe and an extension pipe detachably connected thereto, deep sea water having a temperature required for cooling of various equipment in the engine room can be sufficiently supplied through the extension pipe.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하기로 한다. 아울러 본 발명을 설명함에 있어서, 관련된 공지 구성 또는 기능에 대한 구체적인 설명이 본 발명의 요지를 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명을 생략한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

도 2는 본 발명에 따른 선박의 해수 공급 장치를 도시한 단면도이다. 도시된 바와 같이, 본 발명에 따른 선박의 해수 공급 장치(100)는 선체(200) 내에 설치되 어 끝단이 선체(200)의 하측에 노출되는 흡입관(110)과, 흡입관(110) 상에 설치되는 펌프(120)와, 흡입관(110)에 연결되는 연장관(140)을 포함한다.2 is a cross-sectional view showing a seawater supply apparatus of a ship according to the present invention. As shown, the seawater supply apparatus 100 of the ship according to the present invention is installed in the hull 200, the end is installed on the suction pipe 110 and the suction pipe 110 exposed to the lower side of the hull 200. It includes a pump 120 and the extension pipe 140 is connected to the suction pipe (110).

흡입관(110)은 브라켓(160) 등을 매개로 또는 직접적으로 용접 등의 방법에 의해 선체(200)에 설치되고, 주위에 유지 및 보수를 위한 사다리, 핸드 레일(hand rail) 등이 위치하며, 상부관(111)과 하부관(112)으로 이루어진다.The suction pipe 110 is installed on the hull 200 through the bracket 160 or the like by welding or the like, and a ladder, a hand rail, and the like for maintenance and repair are positioned around the suction pipe 110. It consists of an upper tube 111 and a lower tube 112.

흡입관(110)은 연장관(140)과의 연결을 위해 끝단이 선체(200)에 돌출되지 아니하고서 외부로 노출될 수 있으나, 본 실시예에서는 연장관(140)과의 연결을 용이하도록 끝단이 선체(200) 하측으로 돌출된다.The suction pipe 110 may be exposed to the outside without the protruding end to the hull 200 for the connection with the extension tube 140, in this embodiment the end is hull (easy to connect with the extension tube 140) 200) Protrude downward.

흡입관(110)은 해수의 이동을 개폐시킴으로써 유지 및 보수시 해수가 원하지 않게 유입되는 것을 차단시키기 위하여 내측에 하나 또는 2 이상의 개폐밸브(130)가 설치되며, 도 3에 도시된 바와 같이, 이물질의 유입을 방지하기 위해 끝단에 메쉬망(113)이 분리 가능하게 설치된다.The suction pipe 110 is provided with one or more opening and closing valves 130 to the inside to block the inflow of sea water during maintenance and repair by opening and closing the movement of sea water, as shown in Figure 3, The mesh net 113 is detachably installed at the end to prevent inflow.

메쉬망(113)은 테두리 형태의 프레임(114)에 가장자리가 고정되고, 프레임(114)이 흡입관(110)의 끝단에 플랜지 결합됨으로써 흡입관(110)에 설치된다.The mesh net 113 is fixed to the edge of the frame 114 of the frame shape, the frame 114 is installed in the suction pipe 110 by flange coupling to the end of the suction pipe (110).

프레임(114)은 흡입관(110) 끝단에 메쉬망(113)을 용이하게 착탈시키기 위하여 힌지결합부재(115)에 의해 선체(200)에 힌지 결합된다.Frame 114 is hinged to the hull 200 by a hinge coupling member 115 to easily detach the mesh net 113 at the end of the suction pipe (110).

한편, 흡입관(110)은 연장관(140)이 직접 연결될 수 있으며, 연장관(140) 끝에 이물질 유입을 방지하기 위한 별도의 메쉬망(113)을 설치하여 연장관(140)을 통하여 흡입되는 해수에 포함된 이물질을 필터링한다. 이때 흡입관(110)에 설치된 메 쉬망(113)은 흡입관(110)에서 분리한다.On the other hand, the suction pipe 110 may be directly connected to the extension pipe 140, and installed in a separate mesh net 113 to prevent the inflow of foreign substances at the end of the extension pipe 140 contained in the sea water sucked through the extension pipe 140 Filter foreign material. At this time, the mesh net 113 installed in the suction pipe 110 is separated from the suction pipe (110).

흡입관(110)과 선체(200)와의 결합 부위를 통해서 해수가 유입되는 것을 방지하기 위하여 선체(200) 내측면에 흡입관(110) 주위로 밀폐된 공간을 형성하는 밀폐챔버(150)가 마련된다. 따라서, 흡입관(110)과 선체(200)의 결합부위를 통해 해수가 유입되더라도 밀폐챔버(150)에 의해 해수의 침입을 2차적으로 차단한다.In order to prevent the inflow of seawater through the coupling portion between the suction pipe 110 and the hull 200, a sealed chamber 150 is provided on the inner surface of the hull 200 to form a space enclosed around the suction pipe 110. Therefore, even though seawater is introduced through the coupling portion of the suction pipe 110 and the hull 200, the intrusion of seawater is secondarily blocked by the sealed chamber 150.

펌프(120)는 흡입관(110) 상부에 설치됨으로써 흡입관(110)을 통한 해수의 흡입을 위해 흡입력을 제공하고, 흡입된 해수를 엔진 룸의 각종 기기로 공급되도록 한다.The pump 120 is installed above the suction pipe 110 to provide suction power for suction of seawater through the suction pipe 110 and to supply the sucked seawater to various devices in the engine room.

연장관(140)은 수면 깊숙이 위치하여 엔진 룸의 각종 기기에 대한 충분한 냉각을 실시하기 위한 온도를 가지는 심해의 해수를 흡입하도록 심해까지 도달하기 위한 길이, 예컨대, 10 ∼ 50m의 길이를 가지며, 흡입관(110) 끝단에 플랜지 이음에 의해 분리 가능하도록 결합된다.Extension tube 140 has a length to reach the deep sea, such as 10 to 50m to be located deep into the water to inhale deep sea water having a temperature for performing sufficient cooling of the various equipment in the engine room, for example, the suction pipe ( 110) It is detachably coupled to the end by flange joints.

이와 같은 구조를 가지는 본 발명에 따른 선박의 해수 공급 장치(100)의 작용을 설명하면 다음과 같다. Referring to the operation of the seawater supply apparatus 100 of the ship according to the present invention having such a structure as follows.

선체(200) 하측으로 노출되는 흡입관(110)에 연장관(140)을 연결시킴으로써 일정 깊이 이상의 해수를 펌프(120)의 펌핑력에 의해 흡입하도록 하고, 이로 인해 엔진 룸의 각종 기기를 냉각시키기에 충분한 온도를 가진 해수의 공급을 가능하도록 한다.By connecting the extension pipe 140 to the suction pipe 110 exposed to the lower side of the hull 200 to suck the sea water of a predetermined depth or more by the pumping force of the pump 120, which is sufficient to cool the various equipment in the engine room Enable the supply of temperature sea water.

또한, 흡입관(110)에 연장관(140)을 연결시킴으로써 해수의 높낮이에 상관없 이 일정한 온도의 해수를 계속적으로 공급할 수 있어 엔진 룸 기기의 효율을 증가시킬 수 있다.In addition, by connecting the extension pipe 140 to the suction pipe 110, it is possible to continuously supply the seawater at a constant temperature regardless of the height of the seawater can increase the efficiency of the engine room equipment.

한편, 연장관(140)이 불필요할 경우 연장관(140)을 흡입관(110)으로부터 분리시킬 수 있다.On the other hand, when the extension tube 140 is unnecessary, the extension tube 140 may be separated from the suction tube 110.

이상에서와 같이, 본 발명의 상세한 설명에서 구체적인 실시예에 관해 설명하였으나, 본 발명의 기술이 당업자에 의하여 용이하게 변형 실시될 가능성이 자명하며, 이러한 변형된 실시예들은 본 발명의 특허청구범위에 기재된 기술사상에 포함된다할 것이다.As described above, specific embodiments have been described in the detailed description of the present invention, but it is obvious that the technology of the present invention can be easily modified by those skilled in the art, and such modified embodiments are defined in the claims of the present invention. It will be included in the technical spirit described.

도 1은 종래의 기술에 따른 선박의 해수 공급 장치를 도시한 단면도이고,1 is a cross-sectional view showing a seawater supply apparatus of a vessel according to the prior art,

도 2는 본 발명에 따른 선박의 해수 공급 장치를 도시한 단면도이고,2 is a cross-sectional view showing a seawater supply apparatus of a ship according to the present invention,

도 3은 본 발명에 따른 선박의 해수 공급 장치의 흡입관 하단을 도시한 단면도이다.Figure 3 is a cross-sectional view showing the lower end of the suction pipe of the marine water supply apparatus of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

110 : 흡입관 111 : 상부관110: suction pipe 111: upper pipe

112 : 하부관 113 : 메쉬망112: lower tube 113: mesh network

114 : 프레임 115 : 힌지결합부재114: frame 115: hinge coupling member

120 : 펌프 130 : 개폐밸브 120: pump 130: on-off valve

140 : 연장관 150 : 밀폐챔버140: extension pipe 150: airtight chamber

160 : 브라켓 200 : 선체 160: bracket 200: hull

Claims (3)

선박의 해수 공급 시스템에 있어서,In the marine water supply system of the ship, 선체 내에 설치되어 끝단이 상기 선체의 하측에 노출되는 흡입관과,A suction pipe installed in the hull and having an end exposed to the lower side of the hull; 상기 흡입관 상에 설치되며, 해수의 흡입을 위해 흡입력을 제공하는 펌프와,A pump installed on the suction pipe and providing suction power for suction of sea water; 상기 흡입관의 끝단에 분리 가능하게 결합되는 연장관Extension pipe detachably coupled to the end of the suction pipe 을 포함하는 선박의 해수 공급 장치.Sea water supply apparatus of the ship comprising a. 제 1 항에 있어서,The method of claim 1, 상기 흡입관 또는 상기 연장관은, The suction pipe or the extension pipe, 이물질의 유입을 방지하기 위해 메쉬망이 분리 가능하게 설치되는 것The mesh net is separably installed to prevent foreign substances from entering 을 특징으로 하는 선박의 해수 공급 장치.Sea water supply apparatus of the ship, characterized in that. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 선체 내에 상기 흡입관을 주위로 밀폐된 공간을 형성하는 밀폐챔버An airtight chamber forming a space enclosed around the suction pipe in the hull 를 더 포함하는 선박의 해수 공급 장치.Seawater supply apparatus of the ship further comprising.
KR1020070081901A 2007-08-14 2007-08-14 Sea water feeder of a ship KR100850055B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120001495A (en) * 2010-06-29 2012-01-04 대우조선해양 주식회사 Floating marine structure using sea water for cooling
KR20120001496A (en) * 2010-06-29 2012-01-04 대우조선해양 주식회사 Floating marine structure using sea water for cooling
KR200477152Y1 (en) * 2010-11-15 2015-05-12 대우조선해양 주식회사 Floating marine structure
WO2018233178A1 (en) * 2017-06-23 2018-12-27 广船国际有限公司 Automatic water supplement type water seal scupper for ships

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000038282A (en) * 1998-12-05 2000-07-05 권상문 Ballast system of ship

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000038282A (en) * 1998-12-05 2000-07-05 권상문 Ballast system of ship

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120001495A (en) * 2010-06-29 2012-01-04 대우조선해양 주식회사 Floating marine structure using sea water for cooling
KR20120001496A (en) * 2010-06-29 2012-01-04 대우조선해양 주식회사 Floating marine structure using sea water for cooling
KR101681708B1 (en) 2010-06-29 2016-12-01 대우조선해양 주식회사 Floating marine structure using sea water for cooling
KR101681707B1 (en) 2010-06-29 2016-12-02 대우조선해양 주식회사 Floating marine structure using sea water for cooling
KR200477152Y1 (en) * 2010-11-15 2015-05-12 대우조선해양 주식회사 Floating marine structure
WO2018233178A1 (en) * 2017-06-23 2018-12-27 广船国际有限公司 Automatic water supplement type water seal scupper for ships

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