JP6634090B2 - 舶用二重殻タンクおよび船舶 - Google Patents
舶用二重殻タンクおよび船舶 Download PDFInfo
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- JP6634090B2 JP6634090B2 JP2017545785A JP2017545785A JP6634090B2 JP 6634090 B2 JP6634090 B2 JP 6634090B2 JP 2017545785 A JP2017545785 A JP 2017545785A JP 2017545785 A JP2017545785 A JP 2017545785A JP 6634090 B2 JP6634090 B2 JP 6634090B2
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- 239000007789 gas Substances 0.000 description 18
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- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Description
図1に、本発明の第1実施形態に係る、液化ガス運搬船などの船舶1に搭載される舶用二重殻タンク2Aを示す。
以下、第1実施形態の変形例を説明するが、以下の変形例は、2番目の変形例を除いて、後述する第2および第3実施形態の変形例としても適用可能である。
次に、図7を参照して、本発明の第2実施形態に係る舶用二重殻タンク2Cを説明する。なお、本実施形態および後述する第3実施形態において、第1実施形態と同一構成要素には同一符号を付し、重複した説明は省略する。
次に、図8を参照して、本発明の第3実施形態に係る舶用二重殻タンク2Dを説明する。
本発明は上述した第1〜第3実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲で種々の変形が可能である。
2A〜2D 舶用二重殻タンク
3 内槽
31 内槽本体部
32 内槽ドーム
36 中心軸
4 外槽
41 外槽本体部
42 外槽ドーム
5 支持機構
50 基準面
51 潤滑ライナー
55 断熱部材
6 第1支持部材
61 第1支持面
7 第2支持部材
71 第2支持面
8A 第1保持部材
8B 第2保持部材
Claims (16)
- 液化ガスを貯留する内槽本体部および前記内槽本体部から上向きに突出する内槽ドームを含む内槽と、
前記内槽本体部を取り囲む外槽本体部および前記内槽ドームを取り囲む外槽ドームを含む外槽と、
前記内槽と前記外槽との間で、前記内槽ドームの回りに配置された少なくとも3つの支持機構と、を備え、
前記支持機構のそれぞれは、
前記内槽と前記外槽の一方に固定された、前記内槽ドームの中心軸を含む基準面と平行な第1支持面を有する第1支持部材と、
前記内槽と前記外槽の他方に固定された、前記第1支持面と対向する第2支持面を有する第2支持部材と、
前記第1支持面と前記第2支持面との間に介在する、前記第2支持面に固定され、前記第1支持面に沿って摺動する断熱部材と、を含み、
前記第1支持部材と前記第2支持部材のうちの前記内槽に固定される方は、前記基準面上に位置し、前記断熱部材と前記第1支持面との間には潤滑ライナーが介在する、舶用二重殻タンク。 - 前記第1支持部材は、前記第1支持面を一方の主面とする板であり、
前記第2支持部材は、前記第2支持面を一方の主面とする板である、請求項1に記載の舶用二重殻タンク。 - 前記第1支持部材は、前記外槽ドームまたは前記外槽本体部に固定されており、
前記第2支持部材は、前記内槽ドームまたは前記内槽本体部に固定されている、請求項1または2に記載の舶用二重殻タンク。 - 前記断熱部材は、前記基準面と直交する方向に延びる管状である、請求項1〜3のいずれか一項に記載の舶用二重殻タンク。
- 前記支持機構のそれぞれは、前記管状の断熱部材の一端および他端をそれぞれ保持する第1保持部材および第2保持部材を含み、
前記管状の断熱部材は、前記第1保持部材を介して前記第1支持面に当接しており、前記第2保持部材を介して前記第2支持面に固定されている、請求項4に記載の舶用二重殻タンク。 - 前記潤滑ライナーは、前記第1保持部材と前記第1支持面との間に挟まれている、請求項5に記載の舶用二重殻タンク。
- 液化ガスを貯留する内槽本体部および前記内槽本体部から上向きに突出する内槽ドームを含む内槽と、
前記内槽本体部を取り囲む外槽本体部および前記内槽ドームを取り囲む外槽ドームを含む外槽と、
前記内槽と前記外槽との間で、前記内槽ドームの回りに配置された少なくとも3つの支持機構と、を備え、
前記支持機構のそれぞれは、
前記内槽と前記外槽の一方に固定された、前記内槽ドームの中心軸を含む基準面と平行な第1支持面を有する第1支持部材と、
前記内槽と前記外槽の他方に固定された、前記第1支持面と対向する第2支持面を有する第2支持部材と、
前記第1支持面と前記第2支持面との間に介在する、前記基準面と直交する方向に延びる管状の断熱部材であって、前記第2支持面に固定され、前記第1支持面に沿って摺動する断熱部材と、
前記管状の断熱部材の一端を保持する保持部材と、を含み、
前記第1支持部材と前記第2支持部材のうちの前記内槽に固定される方は、前記基準面上に位置し、
前記管状の断熱部材は、前記保持部材を介して前記第2支持面に固定されている、舶用二重殻タンク。 - 前記保持部材は、第2保持部材であり、
前記支持機構のそれぞれは、前記管状の断熱部材の他端を保持する第1保持部材を含み、
前記管状の断熱部材は、前記第1保持部材を介して前記第1支持面に当接している、請求項7に記載の舶用二重殻タンク。 - 前記第1保持部材と前記第1支持面との間には、潤滑ライナーが挟まれている、請求項8に記載の舶用二重殻タンク。
- 前記断熱部材は、ガラス繊維強化プラスチックからなる、請求項1〜9のいずれか一項に記載の舶用二重殻タンク。
- 前記第2支持部材は、前記第2支持面を一方の主面および他方の主面とする板であり、
前記第1支持部材は、一対設けられていて、前記第2支持部材の両側に配置されている、請求項1〜10のいずれか一項に記載の舶用二重殻タンク。 - 前記支持機構のそれぞれは、前記第1支持部材および前記第2支持部材を1つずつ含み、
隣り合う前記支持機構同士で前記第1支持部材と前記第2支持部材との位置関係が逆になっている、請求項1〜10のいずれか一項に記載の舶用二重殻タンク。 - 前記支持機構のそれぞれは、前記第1支持部材および前記第2支持部材を1つずつ含み、
前記支持機構の数は4つ以上であり、少なくとも4組の隣り合う前記支持機構同士で前記第1支持部材と前記第2支持部材との位置関係が逆になっている、請求項1〜10のいずれか一項に記載の舶用二重殻タンク。 - 前記内槽と前記外槽との間の空間は真空空間である、請求項1〜13のいずれか一項に記載の舶用二重殻タンク。
- 前記内槽本体部は、水平方向に延びる円筒状であり、
4つの前記支持機構が、前記内槽ドームと前記外槽ドームの間で、前記内槽ドームの中心軸から前記内槽本体部の軸方向に対して45度の角度方向に配置されている、請求項1〜14のいずれか一項に記載の舶用二重殻タンク。 - 請求項1〜15のいずれか一項に記載の舶用二重殻タンクを備える船舶。
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