KR20120001496A - Floating marine structure using sea water for cooling - Google Patents

Floating marine structure using sea water for cooling Download PDF

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Publication number
KR20120001496A
KR20120001496A KR1020100062309A KR20100062309A KR20120001496A KR 20120001496 A KR20120001496 A KR 20120001496A KR 1020100062309 A KR1020100062309 A KR 1020100062309A KR 20100062309 A KR20100062309 A KR 20100062309A KR 20120001496 A KR20120001496 A KR 20120001496A
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South Korea
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seawater
cooling
pump
sea water
suction pipe
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KR1020100062309A
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Korean (ko)
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KR101681708B1 (en
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조봉현
윤상찬
임윤빈
김준홍
김인규
원대한
홍성일
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대우조선해양 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 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • 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
    • B63J2/12—Heating; Cooling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PURPOSE: A floating marine structure using cooling seawater is provided to have a space for storing low temperature seawater and reduce the load of a pump since a moon pool is used as a buffer. CONSTITUTION: A floating marine structure using cooling seawater comprises a moon pool(110), a suction tube(120), and a pump(130). The moon pool is provided in a hull(140) and has a space filled with the seawater. The suction tube is expanded from the upper side of the sea surface of the moon pool to the lower part of the hull. The pump is connected to the suction tube and absorbs the seawater of the deep sea through the suction tube in order to fill the seawater in the moon pool.

Description

냉각용 해수를 사용하는 부유식 해상 구조물{Floating marine structure using sea water for cooling}Floating marine structure using sea water for cooling

본 발명은 문풀(moonpool)이 냉각을 위한 심해의 해수 수요에 대한 버퍼 역할을 수행함으로써 펌프의 부하를 감소시키고, 저온의 해수를 저장할 수 있는 공간을 쉽게 확보하도록 구성된 냉각용 해수를 사용하는 부유식 해상 구조물에 관한 것이다.The present invention provides a floating type using cooling seawater configured to reduce the load on the pump and easily secure a space for storing low temperature seawater by playing a moonpool as a buffer for seawater demand in the deep sea for cooling. Relates to offshore structures.

일반적으로, 선박을 비롯한 부유식 해상 구조물은 온도가 낮은 해수를 내부로 끌어올려서 청수나 냉매 등과의 열교환을 통해서 엔진이나 발전기 등의 발열 장치를 냉각시키는데 사용하거나, 액화천연가스를 저장하는 경우 냉매와의 열교환을 통해서 천연가스를 액화시키는데 사용되고 있으며, 그 외에도 다양한 용도로 사용되고 있다.In general, floating offshore structures, including ships, are used to cool heat generating devices such as engines and generators through heat exchange with fresh water or refrigerants by raising seawater with low temperatures, or when storing liquefied natural gas. It is used to liquefy natural gas through heat exchange, and it is also used for various purposes.

한편, 부유식 해상 구조물로는 해전 유전에서 채굴한 원유를 저장함과 아울러 저장된 원유를 셔틀 탱커(shuttle tanker)로 이송하도록 하는 설비를 갖춘 FPSO(Floating Production, Storage, and Offloading Unit)와, 액화천연가스(이하, 'LNG'라 함)를 싣고 바다를 운항하여 육상 소요처에 도착한 후 저장된 LNG를 재기화하여 천연가스 상태로 하역하는 LNG RV(Regasification Vessel)와, 생산된 천연가스를 해상에서 직접 액화시켜 저장탱크 내에 저장하고 저장탱크 내에 저장된 LNG를 LNG 수송선으로 옮겨싣기 위해 사용되는 LNG FPSO(Floating Production, Storage and Offloading Unit)와, 육상으로부터 멀리 떨어진 해상에서 LNG 수송선으로부터 하역되는 LNG를 저장탱크에 저장한 후 필요에 따라 LNG를 기화시켜 육상 수요처에 공급하는 LNG FSRU(Floating Storage and Regasification Unit) 등이 있으며, 이러한 부유식 해상 구조물에 대한 수요가 점차 증가하고 있다.Floating offshore structures include Floating Production, Storage, and Offloading Units (FPSOs), which are equipped with facilities to store crude oil mined from naval fields, and to transfer stored crude oil to shuttle tankers, and liquefied natural gas. LNG RV (Regasification Vessel) which loads the sea (hereinafter referred to as 'LNG'), operates the sea, reaches the land requirements, regasifies the stored LNG, and unloads it as natural gas, and directly liquefies the produced natural gas at sea. LNG FPSO (Floating Production, Storage and Offloading Unit), which are used to store and store LNG in storage tanks and to transport LNG stored in storage tanks to LNG carriers, and LNG that is unloaded from LNG carriers offshore, Afterwards, there are LNG Floating Storage and Regasification Units (FSRUs), which vaporize LNG as needed and supply it to land demand. The demand for phased structures is gradually increasing.

그러나, 이러한 부유식 해상 구조물은 냉각의 효율을 높이기 위하여 낮은 온도를 가진 심해의 해수를 흡입하여 사용하고자 하는 경우, 심해의 해수 흡입을 위한 고출력의 펌프를 요구하고, 저온의 해수를 저장하기 위한 별도의 탱크를 구비하여야 하는 문제점을 가지고 있었다.However, such a floating offshore structure requires a high-power pump for inhaling deep sea water in order to inhale deep sea water having a low temperature in order to increase cooling efficiency, and requires a separate pump for storing low temperature sea water. Had to have a tank.

본 발명은 상기한 바와 같은 종래의 문제점을 해결하기 위한 것으로서, 심해의 해수를 흡입하기 위한 펌프의 부하를 감소시키고, 저온의 해수를 저장할 수 있는 공간을 쉽게 확보할 수 있도록 한다.The present invention is to solve the conventional problems as described above, it is possible to reduce the load of the pump for sucking the seawater of deep sea, and to easily secure a space for storing the low temperature seawater.

본 발명의 일 측면에 따른 냉각용 해수를 사용하는 부유식 해상 구조물은, 냉각용 해수를 사용하는 부유식 해상 구조물에 있어서, 선체에 마련되며, 내측에 해수가 채워지기 위한 공간을 가지는 문풀과, 상기 문풀의 해수면 상측으로부터 상기 선체의 하방으로 연장 설치되는 흡입관과, 상기 흡입관에 연결되어 해수로부터 벗어나도록 설치되고, 상기 흡입관을 통해 심해의 해수를 흡입하여 상기 문풀에 채워지도록 하는 펌프를 포함하는 것을 특징으로 한다.Floating offshore structure using the cooling seawater according to an aspect of the present invention, in the floating offshore structure using the cooling seawater, is provided in the hull, the door pool having a space for filling the seawater inside, and And a suction pipe extending from the upper surface of the sea surface to the lower side of the hull, and installed to be separated from the sea water by being connected to the suction pipe, and sucking the deep sea water through the suction pipe to fill the door pool. It features.

또한, 상기 흡입관은 상기 펌프에 연결되도록 상기 문풀의 내측에 수직되게 고정되는 파이프와, 상기 파이프에 연결되어 해수의 흡입 지점에 도달하도록 설치되는 연장호스와, 상기 연장호스의 하단을 고정시키는 앵커를 포함하는 것을 특징으로 한다.The suction pipe may include a pipe fixed vertically to the inside of the door pool to be connected to the pump, an extension hose connected to the pipe and installed to reach a suction point of seawater, and an anchor fixing the lower end of the extension hose. It is characterized by including.

본 발명의 다른 측면에 따른 냉각용 해수를 사용하는 부유식 해상 구조물은, 냉각용 해수를 사용하는 부유식 해상 구조물에 있어서, 해수로부터 벗어나도록 설치된 펌프의 펌핑력에 의해 흡입관을 통해서 흡입되는 심해의 해수가 저장되도록 선체에 마련되는 문풀을 포함하는 것을 특징으로 한다.Floating offshore structure using cooling seawater according to another aspect of the present invention, in the floating offshore structure using cooling seawater, the deep sea is sucked through the suction pipe by the pumping force of the pump installed so as to escape from the seawater It characterized in that it comprises a door pool provided on the hull so that the sea water is stored.

본 발명에 따르면, 냉각을 위한 심해의 해수 수요에 대하여 문풀(moonpool)이 버퍼 역할을 함으로써 펌프의 부하를 감소시키고, 이로 인해 고용량 및 고출력의 펌프를 요구하지 않으며, 일반적인 펌프의 사용이 가능하고, 저온의 해수를 저장할 수 있는 공간을 쉽게 확보할 수 있다.According to the present invention, the moonpool serves as a buffer for deep sea water demand for cooling, thereby reducing the load on the pump, thereby eliminating the need for a high capacity and high output pump, enabling the use of a general pump, It is easy to secure a space for storing cold sea water.

도 1은 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물을 도시한 측면도이고,
도 2는 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물의 요부를 도시한 단면도이다.1 is a side view showing a floating offshore structure using cooling seawater according to the present invention,
Figure 2 is a cross-sectional view showing the main portion of the floating offshore structure using the cooling sea water according to the present invention.

이하 첨부한 도면을 참조하여 본 발명의 바람직한 실시예에 대한 구성 및 작용을 상세히 설명하면 다음과 같다. 또한 하기 실시예는 여러 가지 다른 형태로 변형될 수 있으며, 본 발명의 범위가 하기 실시예에 한정되는 것은 아니다. Hereinafter, the configuration and operation of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following examples can be modified in various forms, and the scope of the present invention is not limited to the following examples.

도 1은 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물을 도시한 측면도이다. 1 is a side view showing a floating offshore structure using cooling seawater according to the present invention.

도 1에 도시된 바와 같이, 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물(100)은 해수로부터 벗어나도록 설치된 펌프(130; 도 2에 도시)의 펌핑력에 의해 흡입관(120)을 통해서 흡입되는 심해의 해수가 저장되도록 선체(140)에 마련되는 문풀(moonpool; 110)을 포함한다.As shown in FIG. 1, the floating offshore structure 100 using the cooling seawater according to the present invention is connected to the suction pipe 120 by the pumping force of the pump 130 (shown in FIG. 2) installed to be out of the seawater. It includes a moonpool (110) provided in the hull 140 so that the seawater of the deep sea sucked through.

또한, 도 2에 도시된 바와 같이, 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물(100)은 선체(140)에 마련되는 문풀(110)과, 문풀(110)의 해수면 상측으로부터 선체(140)의 하방으로 연장 설치되는 흡입관(120)과, 흡입관(120)에 연결되는 펌프(130)를 포함할 수 있다.In addition, as shown in Figure 2, the floating offshore structure 100 using the cooling seawater according to the present invention, the hull 140 is provided on the hull 140, and the hull from the upper sea surface of the moon pool 110 It may include a suction pipe 120 extending downward of the 140 and a pump 130 connected to the suction pipe 120.

한편, 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물(100)은 FPSO(Floating Production, Storage, and Offloading Unit), LNG RV(Regasification Vessel), LNG FPSO(Floating Production, Storage and Offloading Unit), LNG FSRU(Floating Storage and Regasification Unit) 등으로 이루어질 수 있으며, 이러한 구조물 외에도 냉각을 위해 심해의 해수를 흡입하여 사용하는 선박이라면 모두 포함될 수 있다.On the other hand, the floating offshore structure 100 using the cooling sea water according to the present invention is Floating Production, Storage, and Offloading Unit (FPSO), LNG Regasification Vessel (LFP), LNG Floating Production, Storage and Offloading Unit (FPSO) For example, the LNG may be composed of a floating storage and regasification unit (FSRU), and in addition to such a structure, any vessel that inhales and uses deep sea water for cooling may be included.

문풀(110)은 선체(140)의 선미는 물론 선수, 중심부, 그 밖의 다양한 위치에 수직되게 설치될 수 있고, 내측에 해수가 채워지기 위한 공간을 가지며, 상부와 하부가 개방되도록 형성되되, 하부가 전면에 걸쳐서 개방되도록 형성되거나 흡입관(120)을 제외한 부분이 막히도록 형성될 수 있다.Moon pool 110 may be installed vertically in the bow, center, and other various positions as well as the stern of the hull 140, has a space for the sea water to be filled inside, is formed so that the upper and lower openings, May be formed to be open over the front surface, or may be formed so that the portion except the suction pipe 120 is blocked.

흡입관(120)은 문풀(110)에서 해수면의 상측으로부터 선체(140)의 하방으로 연장 설치되는데, 일례로 펌프(130)에 연결되도록 문풀(110)의 내측에 수직되게 고정되는 파이프(121)와, 파이프(121)에 연결되어 해수의 흡입 지점에 도달하도록 설치되는 연장호스(122)와, 연장호스(122)의 하단을 고정시키는 앵커(123; 도 1에 도시)를 포함할 수 있다. 여기서, 파이프(121)는 브라켓(124)에 의해 문풀(110)의 내측면에 고정될 수 있고, 휨이 가능한 플렉시블(flexible)한 재질로 이루어지는 연장호스(122)에 피팅부재(125)를 사용하여 연결될 수 있다.The suction pipe 120 is installed extending from the upper side of the sea surface to the lower side of the hull 140 in the door pool 110, for example, the pipe 121 is fixed perpendicular to the inside of the door pool 110 to be connected to the pump 130 and It may include an extension hose 122 connected to the pipe 121 to reach the suction point of the sea water, and an anchor 123 (shown in FIG. 1) to fix the lower end of the extension hose 122. Here, the pipe 121 may be fixed to the inner surface of the door pool 110 by the bracket 124, and the fitting member 125 is used for the extension hose 122 made of a flexible material capable of bending. Can be connected.

펌프(130)는 흡입관(120)의 파이프(121)에 연결되어 해수로부터 벗어나도록 설치되고, 이로 인해 일반적인 펌프가 사용될 수 있으며, 흡입관(120)을 통해 흡입된 심해의 해수를 문풀(110)의 해수면까지 설치된 배출관(131)을 통해서 배출하여 문풀(110)에 채워지도록 한다. The pump 130 is connected to the pipe 121 of the suction pipe 120 is installed so as to escape from the sea water, because of this, a general pump can be used, the deep sea water sucked through the suction pipe 120 of the moon pool 110 Discharge through the discharge pipe 131 installed to the sea level to be filled in the door pool 110.

펌프(130)는 일례로 모터의 구동에 의해 발생되는 펌핑력에 의해 파이프(121)로부터 흡입되는 해수가 배출관(131)으로부터 토출됨으로써 문풀(110)에 심해의 해수가 채워지도록 할 수 있다.For example, the pump 130 may allow the door pool 110 to be filled with deep sea water by discharging the seawater sucked from the pipe 121 by the pumping force generated by the driving of the motor from the discharge pipe 131.

이와 같은 본 발명에 따른 냉각용 해수를 사용하는 부유식 해상 구조물의 작용을 설명하기로 한다.The operation of the floating offshore structure using the cooling seawater according to the present invention will be described.

해수로부터 벗어나도록 설치된 펌프(130)의 펌핑에 의해 흡입관(120)을 통해 심해의 해수를 흡입하여 문풀(110)에 채우게 되면, 문풀(110) 내의 해수 온도가 낮아져서 저온을 유지하게 된다. 따라서, 문풀(110)에 채워진 저온의 해수를 별도의 펌프에 의해 냉각이 필요한 소요처에 공급함으로써 언제라도 냉각을 위한 해수의 사용을 가능하도록 한다.When the seawater of deep sea is sucked through the suction pipe 120 and filled in the door pool 110 by the pumping of the pump 130 installed to be separated from the sea water, the temperature of the seawater in the door pool 110 is lowered to maintain a low temperature. Thus, by supplying the low temperature seawater filled in the door pool 110 to the required place to be cooled by a separate pump to enable the use of seawater for cooling at any time.

이와 같이, 펌프(130)에 의해 펌핑된 심해의 해수를 문풀(110)에 채워서 사용하게 됨으로써 문풀(110)이 냉각용 해수의 수요에 대한 버퍼 역할을 하게 되며, 이로 인해 해수의 흡입을 위한 펌프(130)의 부하를 감소시키고, 나아가서, 펌프(130)가 고용량 내지 고출력일 필요가 없게 된다. 또한, 문풀(110)로 인해 저온의 해수를 저장할 수 있는 공간을 선체(140)에 쉽게 확보할 수 있도록 한다.As such, the seawater of the deep sea pumped by the pump 130 is used to fill the door pool 110 so that the door pool 110 serves as a buffer for demand for cooling seawater, and thus, a pump for suctioning seawater. The load on 130 is reduced, and furthermore, the pump 130 does not need to be high capacity to high power. In addition, the door pool 110 allows the hull 140 to easily secure a space for storing low temperature seawater.

또한, 흡입관(120)이 문풀(110)을 통해서 심해까지 쉽게 설치될 수 있도록 한다.In addition, the suction pipe 120 allows the door pool 110 to be easily installed to the deep sea.

본 발명은 상기 실시예에 한정되지 않고 본 발명의 기술적 요지를 벗어나지 아니하는 범위 내에서 다양하게 수정 또는 변형되어 실시될 수 있음은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 있어서 자명한 것이다.It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention will be.

110 : 문풀 120 : 흡입관
121 : 파이프 122 : 연장호스
123 : 앵커 124 : 브라켓
125 : 피팅부재 130 : 펌프
131 : 배출관 140 : 선체110: moon pool 120: suction pipe
121: pipe 122: extension hose
123: anchor 124: bracket
125: fitting member 130: pump
131 discharge pipe 140 hull

Claims (3)

냉각용 해수를 사용하는 부유식 해상 구조물에 있어서,
선체에 마련되며, 내측에 해수가 채워지기 위한 공간을 가지는 문풀과;
상기 문풀의 해수면 상측으로부터 상기 선체의 하방으로 연장 설치되는 흡입관과;
상기 흡입관에 연결되어 해수로부터 벗어나도록 설치되고, 상기 흡입관을 통해 심해의 해수를 흡입하여 상기 문풀에 채워지도록 하는 펌프;
를 포함하는 것을 특징으로 하는 냉각용 해수를 사용하는 부유식 해상 구조물.In a floating offshore structure using cooling seawater,
A door pool provided in the hull and having a space for filling seawater inside;
A suction pipe extending downward from the sea surface of the moon pool and below the hull;
A pump connected to the suction pipe so as to be separated from the sea water, and configured to suck deep sea water through the suction pipe to fill the door pool;
Floating offshore structure using seawater for cooling, characterized in that it comprises a. 청구항 1에 있어서, 상기 흡입관은,
상기 펌프에 연결되도록 상기 문풀의 내측에 수직되게 고정되는 파이프와,
상기 파이프에 연결되어 해수의 흡입 지점에 도달하도록 설치되는 연장호스와,
상기 연장호스의 하단을 고정시키는 앵커
를 포함하는 것을 특징으로 하는 냉각용 해수를 사용하는 부유식 해상 구조물.The method according to claim 1, wherein the suction pipe,
A pipe fixed vertically to the inside of the door pool to be connected to the pump;
An extension hose connected to the pipe and installed to reach a suction point of seawater;
Anchor fixing the lower end of the extension hose
Floating offshore structure using seawater for cooling, characterized in that it comprises a. 냉각용 해수를 사용하는 부유식 해상 구조물에 있어서,
해수로부터 벗어나도록 설치된 펌프의 펌핑력에 의해 흡입관을 통해서 흡입되는 심해의 해수가 저장되도록 선체에 마련되는 문풀을 포함하는 것을 특징으로 하는 냉각용 해수를 사용하는 부유식 해상 구조물.In a floating offshore structure using cooling seawater,
A floating offshore structure using cooling seawater, characterized in that it comprises a door pool provided in the hull to store the seawater of the deep sea sucked through the suction pipe by the pumping force of the pump installed to be out of the seawater.
KR1020100062309A 2010-06-29 2010-06-29 Floating marine structure using sea water for cooling KR101681708B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101374172B1 (en) * 2012-10-10 2014-03-13 대우조선해양 주식회사 Sea water discharging apparatus of offshore structure
KR20160002480U (en) 2015-01-06 2016-07-14 대우조선해양 주식회사 Submersible Pump
KR20160106488A (en) 2015-03-02 2016-09-12 최해용 A Support Bar for a Virtual Reality Camera
KR20170000762U (en) 2015-08-20 2017-03-02 대우조선해양 주식회사 Offshore Provide Caisson Pipe for Water Inlet Pipe
CN112478068A (en) * 2020-11-30 2021-03-12 深吉海洋科技(山东)有限公司 Seawater transportation operation ship

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KR20240080402A (en) 2022-11-30 2024-06-07 한화오션 주식회사 Sea water supply apparatus and offshore structure including the same

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JP2002137788A (en) * 2000-11-02 2002-05-14 Mitsubishi Heavy Ind Ltd Ship with moon pool and fluid bag for use therewith
KR100850055B1 (en) * 2007-08-14 2008-08-04 삼성중공업 주식회사 Sea water feeder of a ship

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JP2002137788A (en) * 2000-11-02 2002-05-14 Mitsubishi Heavy Ind Ltd Ship with moon pool and fluid bag for use therewith
KR100850055B1 (en) * 2007-08-14 2008-08-04 삼성중공업 주식회사 Sea water feeder of a ship

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101374172B1 (en) * 2012-10-10 2014-03-13 대우조선해양 주식회사 Sea water discharging apparatus of offshore structure
KR20160002480U (en) 2015-01-06 2016-07-14 대우조선해양 주식회사 Submersible Pump
KR20160106488A (en) 2015-03-02 2016-09-12 최해용 A Support Bar for a Virtual Reality Camera
KR20170000762U (en) 2015-08-20 2017-03-02 대우조선해양 주식회사 Offshore Provide Caisson Pipe for Water Inlet Pipe
CN112478068A (en) * 2020-11-30 2021-03-12 深吉海洋科技(山东)有限公司 Seawater transportation operation ship

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