JP7227837B2 - 液化ガス貯留タンク、及び船舶 - Google Patents
液化ガス貯留タンク、及び船舶 Download PDFInfo
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- JP7227837B2 JP7227837B2 JP2019081680A JP2019081680A JP7227837B2 JP 7227837 B2 JP7227837 B2 JP 7227837B2 JP 2019081680 A JP2019081680 A JP 2019081680A JP 2019081680 A JP2019081680 A JP 2019081680A JP 7227837 B2 JP7227837 B2 JP 7227837B2
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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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
-
- 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
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- 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
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/025—Bulk storage in barges or on ships
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0147—Shape complex
- F17C2201/0157—Polygonal
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
-
- 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
- F17C2205/0323—Valves
-
- 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
- F17C2205/0352—Pipes
-
- 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
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/036—Avoiding leaks
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/031—Treating the boil-off by discharge
-
- 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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
また、このようなタンクを搭載した船舶も知られている(例えば特許文献1)。この種のタンクの内部にはポンプが設けられ、タンク内の液化ガスが配管を通じて主機へ送られ、船舶の燃料として使用される。
また液化ガスの漏洩量が多くなる場合、漏れた液化ガスを受けるためのドリップトレイを大型化する必要があり、コスト増大につながる。
さらに、このような弁を設けることで、容器本体の内部の圧力が設計圧力を超える前に容器内部の圧力を下げることができる。
本発明の第一実施形態に係る船舶100について説明する。
図1に示すように、本実施形態の船舶100は、液化ガスとして液化天然ガス(LNG;Liquefied Natural Gas)、又は、液化石油ガス(LPG;Liquefied Petroleum Gas)を輸送する液化ガス運搬船である。
図1に示すように、船舶100は、船体10、ブリッジ20、カーゴタンク30、主機40、及び燃料タンク(液化ガス貯留タンク)50を備えている。
次に図3を参照して本発明の第二実施形態に係る船舶100について説明する。以下に説明する第二実施形態においては、第一実施形態と同一部分に同一符号を付して説明するとともに、重複説明を省略する。本実施形態の船舶100では、燃料タンク80が第一実施形態とは異なる。
次に図4を参照して本発明の第三実施形態に係る船舶100について説明する。以下に説明する第三実施形態においては、第一実施形態及び第二実施形態と同一部分に同一符号を付して説明するとともに、重複説明を省略する。本実施形態の船舶100では、燃料タンク90が第一実施形態及び第二実施形態とは異なる。
10a…船首
10b…船尾
11…舷側
11a…舷側外板
12…船底
12a…船底外板
13…上甲板
14…機関室
15…カーゴホールド
15a…隔壁
15b…隔壁
20…ブリッジ
21…操縦室
30…カーゴタンク
40…主機
41…スクリュー
50、80、90…燃料タンク(液化ガス貯留タンク)
51…タンク支持部
60…容器本体
60a…底部
62…ポンプ
63…導出配管
64…導出流路
65、85、95…連通部
66、86…接続流路
67、87…開閉弁
75…制御装置
71…安全弁
72…大気開放用配管
88…導出弁
100…船舶
LG…液化ガス
L…液相
G…気相
S1…第一状態
S2…第二状態
Claims (3)
- 内部に液化ガスを貯留し、設置された位置での大気圧よりも大きな圧力まで対応可能な設計圧力を有する容器本体と、
前記容器本体の下部に貯留された液化ガスの液相中に設けられたポンプと、
前記容器本体の内外にわたって設けられ、一端が前記ポンプの吐出口に接続され、他端が前記容器本体の外部に配置され、内部に前記液化ガスの導出流路を形成する導出配管と、
前記容器本体の外部で、前記容器本体における前記液化ガスの気相が存在する位置と、前記導出配管とを接続し、内部に接続流路を形成する接続管であり、前記接続管に設けられて前記接続流路を開閉可能な開閉弁を備え、前記容器本体の内部における前記液化ガスの前記気相が存在する位置と、前記導出流路とを連通可能な連通部と、
前記開閉弁によって前記接続流路を開閉させる制御部と、
前記容器本体に設けられて前記液化ガスの前記気相が存在する位置と前記容器本体の外部とを連通可能な大気開放用配管と、
前記大気開放用配管の内部の流路を開閉可能とされ、前記容器本体の内部圧力が前記容器本体の設計圧力を超える前に前記容器本体の内部の前記気相を大気開放する安全弁と、
を備え、
前記制御部は、
前記液化ガスを前記導出流路を通じて前記容器本体から導出させていないときに、前記開閉弁によって前記接続流路を開放させ、
前記液化ガスを前記導出流路を通じて前記容器本体から導出させる際に、前記開閉弁によって前記接続流路を閉塞させる
液化ガス貯留タンク。 - 前記開閉弁は、前記導出配管における前記一端と前記他端との間で前記導出流路を連通するとともに前記接続流路を閉塞する第一状態と、前記導出配管における前記一端と前記接続流路とを前記導出流路を介して連通することで前記接続流路を開放する第二状態とを切換え可能に設けられた三方弁である請求項1に記載の液化ガス貯留タンク。
- 請求項1又は2に記載の液化ガス貯留タンクを備える船舶。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019081680A JP7227837B2 (ja) | 2019-04-23 | 2019-04-23 | 液化ガス貯留タンク、及び船舶 |
KR1020217033171A KR102573458B1 (ko) | 2019-04-23 | 2020-02-17 | 액화 가스 저류 탱크, 및 선박 |
PCT/JP2020/006009 WO2020217660A1 (ja) | 2019-04-23 | 2020-02-17 | 液化ガス貯留タンク、及び船舶 |
CN202080029891.7A CN113710951B (zh) | 2019-04-23 | 2020-02-17 | 液化气贮存罐及船舶 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019081680A JP7227837B2 (ja) | 2019-04-23 | 2019-04-23 | 液化ガス貯留タンク、及び船舶 |
Publications (2)
Publication Number | Publication Date |
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JP2020180620A JP2020180620A (ja) | 2020-11-05 |
JP7227837B2 true JP7227837B2 (ja) | 2023-02-22 |
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JP2019081680A Active JP7227837B2 (ja) | 2019-04-23 | 2019-04-23 | 液化ガス貯留タンク、及び船舶 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP7227837B2 (ja) |
KR (1) | KR102573458B1 (ja) |
CN (1) | CN113710951B (ja) |
WO (1) | WO2020217660A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012233534A (ja) | 2011-05-02 | 2012-11-29 | Ihi Marine United Inc | ボイルオフガス処理装置及び液化ガスタンク |
JP2013241054A (ja) | 2012-05-18 | 2013-12-05 | Mitsubishi Heavy Ind Ltd | 船舶、ガス燃料供給設備、ガス燃料供給設備の運転方法 |
WO2014203530A1 (ja) | 2013-06-21 | 2014-12-24 | 川崎重工業株式会社 | 液化ガス保持タンクおよび液化ガス運搬船 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6026400U (ja) * | 1983-07-29 | 1985-02-22 | 石川島播磨重工業株式会社 | 低温貯槽 |
JP2000179798A (ja) * | 1998-12-18 | 2000-06-27 | Tokyo Gas Co Ltd | 低温液化ガス貯蔵タンク内のロールオーバー発生防止方法 |
GB0519886D0 (en) * | 2005-09-29 | 2005-11-09 | Air Prod & Chem | A storage vessel for cryogenic liquid |
CN205606174U (zh) * | 2016-04-01 | 2016-09-28 | 南通中集能源装备有限公司 | 低温液体储罐 |
JP6575033B2 (ja) | 2017-04-07 | 2019-09-18 | 三菱造船株式会社 | 船舶 |
CN107178701A (zh) * | 2017-06-21 | 2017-09-19 | 查特深冷工程系统(常州)有限公司 | 一种具有主动上出液能力的lng船用燃料罐系统 |
-
2019
- 2019-04-23 JP JP2019081680A patent/JP7227837B2/ja active Active
-
2020
- 2020-02-17 CN CN202080029891.7A patent/CN113710951B/zh active Active
- 2020-02-17 WO PCT/JP2020/006009 patent/WO2020217660A1/ja active Application Filing
- 2020-02-17 KR KR1020217033171A patent/KR102573458B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012233534A (ja) | 2011-05-02 | 2012-11-29 | Ihi Marine United Inc | ボイルオフガス処理装置及び液化ガスタンク |
JP2013241054A (ja) | 2012-05-18 | 2013-12-05 | Mitsubishi Heavy Ind Ltd | 船舶、ガス燃料供給設備、ガス燃料供給設備の運転方法 |
WO2014203530A1 (ja) | 2013-06-21 | 2014-12-24 | 川崎重工業株式会社 | 液化ガス保持タンクおよび液化ガス運搬船 |
Also Published As
Publication number | Publication date |
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KR102573458B1 (ko) | 2023-09-01 |
WO2020217660A1 (ja) | 2020-10-29 |
JP2020180620A (ja) | 2020-11-05 |
CN113710951A (zh) | 2021-11-26 |
CN113710951B (zh) | 2023-10-27 |
KR20210137551A (ko) | 2021-11-17 |
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