KR102438162B1 - 선박용 이중각 탱크 및 선박 - Google Patents
선박용 이중각 탱크 및 선박 Download PDFInfo
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- KR102438162B1 KR102438162B1 KR1020187013097A KR20187013097A KR102438162B1 KR 102438162 B1 KR102438162 B1 KR 102438162B1 KR 1020187013097 A KR1020187013097 A KR 1020187013097A KR 20187013097 A KR20187013097 A KR 20187013097A KR 102438162 B1 KR102438162 B1 KR 102438162B1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
Description
도 2는, 도 1의 주요부를 확대한 단면도이다.
도 3은, 도 2의 Ⅲ-Ⅲ 선에 따른, 지지 기구를 모식적으로 나타내는, 횡단면도이다.
도 4는 하나의 지지 기구의 횡단면도이다.
도 5a 및 도 5b는, 각각 도 4의 VA-VA 선 및 VB-VB 선에 따른 종단면도이다.
도 6은, 제1 실시형태의 변형 예에서의 지지 기구를 모식적으로 나타내는 횡단면도이다.
도 7은, 본 발명의 제2 실시형태에 따른 선박용 이중각 탱크에서의 지지 기구를 모식적으로 나타내는 횡단면도이다.
도 8은, 본 발명의 제3 실시형태에 따른 선박용 이중각 탱크에서의 지지 기구를 모식적으로 나타내는 횡단면도이다.
2A ~ 2D : 선박용 이중각 탱크
3 : 내측 탱크
31 : 내측 탱크 본체부
32 : 내측 탱크 돔
36 : 중심축
4 : 외측 탱크
41 : 외측 탱크 본체부
42 : 외측 탱크 돔
5 : 지지 기구
50 : 기준면
51 : 윤활 라이너
55 : 단열 부재
6 : 제1 지지 부재
61 : 제1 지지면
7 : 제2 지지 부재
71 : 제2 지지면
8A : 제1 홀딩 부재
8B : 제2 홀딩 부재
Claims (13)
- 액화가스를 저장하는 내측 탱크 본체부 및 상기 내측 탱크 본체부로부터 위를 향해 돌출되는 내측 탱크 돔을 포함하는 내측 탱크와,
상기 내측 탱크 본체부를 둘러싸는 외측 탱크 본체부 및 상기 내측 탱크 돔을 둘러싸는 외측 탱크 돔을 포함하는 외측 탱크와,
상기 내측 탱크와 상기 외측 탱크 사이에서, 상기 내측 탱크 돔의 둘레에 배치된 적어도 3개의 지지 기구를 구비하고,
상기 지지 기구 각각은,
상기 내측 탱크와 상기 외측 탱크 중 한쪽에 고정되며, 상기 내측 탱크 돔의 중심축을 포함하는 기준면과 평행한 제1 지지면을 가지는 제1 지지 부재와,
상기 내측 탱크와 상기 외측 탱크 중 다른 한쪽에 고정되며, 상기 제1 지지면과 마주보는 제2 지지면을 가지는 제2 지지 부재와,
상기 제1 지지면과 상기 제2 지지면 사이에 개재되며, 상기 제2 지지면에 고정되고, 상기 제1 지지면을 따라서 미끄러짐 운동하는 단열 부재를 포함하며,
상기 제1 지지 부재와 상기 제2 지지 부재 중 상기 내측 탱크에 고정되는 쪽은, 상기 기준면 상에 위치하는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항에 있어서,
상기 제1 지지 부재는, 상기 제1 지지면을 한쪽의 면으로 하는 판 형상이고,
상기 제2 지지 부재는, 상기 제2 지지면을 한쪽의 면으로 하는 판 형상인 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 제1 지지 부재는, 상기 외측 탱크 돔 또는 상기 외측 탱크 본체부에 고정되어 있고,
상기 제2 지지 부재는, 상기 내측 탱크 돔 또는 상기 내측 탱크 본체부에 고정되어 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 단열 부재는, 상기 기준면과 직교하는 방향으로 연장되는 관 형상인 것을 특징으로 하는 선박용 이중각 탱크. - 제4항에 있어서,
상기 지지 기구 각각은, 상기 관 형상의 단열 부재의 일단 및 타단을 각각 붙들어 유지하는 제1 홀딩 부재 및 제2 홀딩 부재를 포함하고,
상기 관 형상의 단열 부재는, 상기 제1 홀딩 부재를 통해서 상기 제1 지지면에 접하여 있고, 상기 제2 홀딩 부재를 통해서 상기 제2 지지면에 고정되어 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제5항에 있어서,
상기 제1 홀딩 부재와 상기 제1 지지면 사이에는, 윤활 라이너가 끼워져 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 단열 부재는, 유리섬유 강화 플라스틱으로 이루어진 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 제2 지지 부재는, 상기 제2 지지면을 한쪽의 면 및 다른 한쪽의 면으로 하는 판 형상이며,
상기 제1 지지 부재는, 한 쌍이 설치되어서, 상기 제2 지지 부재의 양측에 배치되어 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 지지 기구 각각은, 상기 제1 지지 부재 및 상기 제2 지지 부재를 하나씩 포함하고,
이웃하는 상기 지지 기구끼리 상기 제1 지지 부재와 상기 제2 지지 부재의 위치 관계가 반대로 되어 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
지지 기구 각각은, 상기 제1 지지 부재 및 상기 제2 지지 부재를 하나씩 포함하며,
상기 지지 기구의 수는 4개 이상이고, 적어도 4개 세트의 이웃하는 상기 지지 기구끼리 상기 제1 지지 부재와 상기 제2 지지 부재의 위치 관계가 반대로 되어 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 내측 탱크와 상기 외측 탱크 사이의 공간은 진공 공간인 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 있어서,
상기 내측 탱크 본체부는, 수평 방향으로 연장되는 원통 형상이며,
4개의 상기 지지 기구가, 상기 내측 탱크 돔과 상기 외측 탱크 돔 사이에서, 상기 내측 탱크 돔의 중심축으로부터 상기 내측 탱크 본체부의 축 방향에 대해 45도 각도 방향으로 배치되어 있는 것을 특징으로 하는 선박용 이중각 탱크. - 제1항 또는 제2항에 기재된 선박용 이중각 탱크를 구비하는 선박.
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