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JPS62132098A - Triple shell liquid storage tank - Google Patents

Triple shell liquid storage tank

Info

Publication number
JPS62132098A
JPS62132098A JP27248685A JP27248685A JPS62132098A JP S62132098 A JPS62132098 A JP S62132098A JP 27248685 A JP27248685 A JP 27248685A JP 27248685 A JP27248685 A JP 27248685A JP S62132098 A JPS62132098 A JP S62132098A
Authority
JP
Japan
Prior art keywords
storage tank
liquid storage
tank
vessel
concrete
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP27248685A
Other languages
Japanese (ja)
Other versions
JPH0610519B2 (en
Inventor
Hide Isa
伊佐　秀
Masatoshi Takahashi
正敏 高橋
Takeshi Hirono
弘埜　剛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taisei Corp
Original Assignee
Taisei Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taisei Corp filed Critical Taisei Corp
Priority to JP60272486A priority Critical patent/JPH0610519B2/en
Publication of JPS62132098A publication Critical patent/JPS62132098A/en
Publication of JPH0610519B2 publication Critical patent/JPH0610519B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F17C3/022—Land-based bulk storage containers
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0631—Three or more walls
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PURPOSE:To reduce construction cost for a storage tank, and raise its adiabatic quality and strength to improve its safety by making a liquid storage tank for low temperature liquefied gas such as LNG, LPG etc. in the form of a triple shell type shell type liquid storage tank made of concrete. CONSTITUTION:A liquid storage tank is composed of separate completely sealed shells, and formed in a triple shell structure comprising a inner vessel 1, middle vessel 2, and outer vessel 3. Every one of the vessels 1, 2, 3 is made of RC or PC concrete. The outer periphery of the inner vessel 1 of the three vessels is provided with a skin plate 11 if circumstances require, and thermal insulating material such as polyurethane foam and the like is received between the middle vessel 2 and the floor, side wall and roof of the outer vessel 3. Detent rings 12, 22 are provided between the inner vessel and middle one 2, and the middle vessel 2 and outer cone 3 respectively to mutually fix each of the vessels 1, 2, 3.

Description

【発明の詳細な説明】 〈産業上の利用分野〉 本発明はＬＮＧＳＬＰＧ等の低温液化ガスの貯ｌ夜槽に
関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a storage tank for low temperature liquefied gas such as LNGSLPG.

〈従来の技術〉 低温液化ガスの貯液槽としては、第２図に示すようなＷ
４製の内ｆ！Ａと外槽Ｂからなる三重殻貯液槽Ｃが一般
的である。<Prior art> As a storage tank for low-temperature liquefied gas, a W tank as shown in Fig. 2 is used.
Of the 4 made f! A triple shell liquid storage tank C consisting of A and an outer tank B is common.

この三重殻貯液槽Ｃは、内外槽Ａ、Ｂ間に断熱材りを介
在し、貯液槽Ｃの周囲には漏液に対処するため防液堤Ｅ
が構築されている。This triple shell liquid storage tank C has a heat insulating material interposed between the inner and outer tanks A and B, and a liquid barrier E around the liquid storage tank C to prevent liquid leakage.
is being constructed.

く本発明が解決しようとする問題点〉 上記した従来の貯ｔｚ槽には、次のような問題点が存在
する。Problems to be Solved by the Present Invention> The conventional TZ storage tank described above has the following problems.

（イ）貯液槽が鋼製である関係から、溶接部分に温度応
力が集中して亀裂が発生する危険性が非常に高い。(a) Since the liquid storage tank is made of steel, there is a very high risk that temperature stress will concentrate on the welded part and cause cracks to occur.

〈口）外被である外槽Ｂには普通鋼材が用いられている
ため、外飛物に対する強度が不十分である。(Example) Since ordinary steel is used for the outer tank B, which is the outer cover, its strength against flying objects is insufficient.

（ハ）耐熱性が不十分であるため、外部火災に対する安
全性や、貯蔵液の恒温維持の点で問題が残る。(c) Due to insufficient heat resistance, problems remain in terms of safety against external fires and maintaining constant temperature of the stored liquid.

（二〉防液堤Ｅを有するが、外槽Ｂを破って液が漏出し
た場合にはガスが広範囲に拡散する。(2) Although it has a liquid barrier E, if the outer tank B is breached and the liquid leaks, the gas will spread over a wide area.

（ホ）低温脆性に優れた高価な鋼材が使用されるため、
建設費が高頷なものとなる。(e) Because expensive steel materials with excellent low-temperature brittleness are used,
Construction costs will be high.

く本発明の目的〉 本発明は以上のような問題点を解決するためになされた
もので、高価な鋼材を使用することなく建設費の低減が
可能であって、しかも断熱性や強度に優れて、かつ、安
全性の高い三重穀貯液槽を提供することを目的とする。OBJECT OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to reduce construction costs without using expensive steel materials, and has excellent heat insulation and strength. The purpose of the present invention is to provide a triple-grain liquid storage tank that is highly safe.

く本発明の構成〉 以下、図面を参照しながら本発明の一実施例について説
明する。Configuration of the Present Invention> An embodiment of the present invention will be described below with reference to the drawings.

くイ〉貯液槽の全体の構成 第１図に三重殻貯液槽を示す。Kui〉Overall configuration of liquid storage tank Figure 1 shows a triple shell liquid storage tank.

この貯液槽は３つの独立した完全密封穀からなる三重殻
構造であり、内部側から内槽１、中間槽２、外槽３で構
成する。This liquid storage tank has a triple shell structure consisting of three independent completely sealed grains, and is composed of an inner tank 1, an intermediate tank 2, and an outer tank 3 from the inside.

各種１．２．３はいずれら強度に優れたＲＣコンクリー
トまたはＰＣコンクリートで形成する。Each type 1.2.3 is made of RC concrete or PC concrete which has excellent strength.

く口〉内（曹 内槽１は気密性および液密性に優れた貯液槽である。Inside (Cao) The inner tank 1 is a liquid storage tank with excellent airtightness and liquidtightness.

必要に応じて内槽１の外周にスキンプレート１１を設け
ることもある。A skin plate 11 may be provided around the outer circumference of the inner tank 1 if necessary.

この内槽１は貯液槽のクールダウン時の収縮変間槽２に
固定する。This inner tank 1 is fixed to a contraction tank 2 during cooling down of the liquid storage tank.

両槽１．２の側壁間にはリング状に空間を確保しておく
。A ring-shaped space is secured between the side walls of both tanks 1.2.

内槽１内の温度低下に伴って発生ずる応力はコンクリー
ト躯体で負担し、気密性と液密性はスキンプレート１１
で負担することになる。The stress generated as the temperature inside the inner tank 1 decreases is borne by the concrete frame, and the skin plate 11 maintains airtightness and liquid tightness.
You will have to bear the burden.

従って、スキンプレート１１は強度が要求されない安価
な材料を使用できる。Therefore, the skin plate 11 can be made of an inexpensive material that does not require strength.

くハ〉中間槽 中間槽２は、ハイダイクタイプの防液堤であり、貯液槽
のクールダウン時の収縮変形に追随す外槽３内に中間槽
２を収納するに際して、両槽２．３の床版、側壁および
屋根の間には保冷材６を介在する。Kuha> Intermediate tank The intermediate tank 2 is a high-dike type liquid barrier, and when storing the intermediate tank 2 in the outer tank 3 that follows shrinkage and deformation during cool-down of the liquid storage tank, both tanks 2. A cold insulating material 6 is interposed between the floor slab 3, the side wall and the roof.

保冷材６としては、例えばポリウレタンフォームやポリ
スチレンフオーム等を使用できる。As the cold insulation material 6, polyurethane foam, polystyrene foam, etc. can be used, for example.

また、必要に応じて漏液防止に充分な側壁高さをもつオ
ーブントップの上面が気密、液密構造の屋根板２３を設
けることもある。　　　−また、中間槽２の床版２１に
低温鋼板を使用することも可能である。Further, if necessary, a roof plate 23 having a side wall height sufficient to prevent liquid leakage and having an airtight and liquidtight structure on the upper surface of the oven top may be provided. - It is also possible to use a low-temperature steel plate for the floor slab 21 of the intermediate tank 2.

く二〉外槽 外槽３は貯液槽全体の基礎と外被を目的とする完全密封
式の穀である。2〉Outer tank The outer tank 3 is a completely sealed type grain that serves as the foundation and outer covering for the entire liquid storage tank.

外槽３は従来の鋼製外被と比較して、耐火性および外飛
物に対する強度が著しく向上する。The outer tank 3 has significantly improved fire resistance and strength against flying objects compared to conventional steel jackets.

床版３１内には地盤凍結防止用にヒータ３３を設置する
。A heater 33 is installed within the floor slab 31 to prevent the ground from freezing.

また、外槽３の内周にスキンプレート３２を設ける場合
もある。Further, a skin plate 32 may be provided on the inner periphery of the outer tank 3.

〈作用〉 くイ〉気密、液密性について 万一内槽１に亀裂を生じて液が漏出した場合でも中間槽
２によって気密性、液密性を維持できる。<Function> B. Regarding airtightness and liquidtightness, even if a crack occurs in the inner tank 1 and liquid leaks out, the intermediate tank 2 can maintain airtightness and liquidtightness.

中間槽２の破損するような最悪の場合でも、外槽３が二
次的防液堤の機能を果たして液の漏出を確実に押さえら
れる。Even in the worst case where the intermediate tank 2 is damaged, the outer tank 3 functions as a secondary liquid barrier and leakage of liquid can be reliably suppressed.

特に、コンクリートは極低温状態において強度が増大す
ることが知られているから、貯液槽の気密性、液密性が
向上する。In particular, since it is known that the strength of concrete increases in cryogenic conditions, the airtightness and liquidtightness of the liquid storage tank are improved.

また、内槽２七中間漕３の側壁間に形成された空間が密
封されている関係から、貯蔵液が漏出した場合の危険な
ボイル・オフ・カスの発生量は微量に抑えられる。Furthermore, since the space formed between the inner tank 2 and the side walls of the intermediate tank 3 is sealed, the amount of dangerous boil-off residue generated in the event of leakage of the stored liquid is suppressed to a very small amount.

〈口〉耐久性について 外槽３はコンクリート製であるから鋼材に比べて耐火性
能や飛来物に対する靭性に優れている。<Exposure> Regarding durability, since the outer tank 3 is made of concrete, it has superior fire resistance and toughness against flying objects compared to steel.

〈ハ〉保温性について 内槽１および中間、ＷＩ　２は保冷材６の介在により外
部断熱構造となっている。<C> Regarding heat retention, the inner tank 1, intermediate tank, and WI 2 have an externally insulated structure with the interposition of a cold insulating material 6.

そのため、常時液温に近い温度に保たれ、部材に過大な
温度応力が発生することが防止されている。Therefore, the temperature is always maintained close to the liquid temperature, and excessive temperature stress is prevented from occurring in the member.

〈効果〉 本発明は以上説明したようになるから次のような効果を
得ることができる。<Effects> Since the present invention is as explained above, the following effects can be obtained.

（イ）中間槽と外槽の２つの槽に防液堤の機能を併有さ
せたことにより、良好な気密性、液密性が確保でき漏液
に対する安全性が著しく向上する。(a) By having the two tanks, the intermediate tank and the outer tank, have the function of a liquid barrier, good airtightness and liquidtightness can be ensured, and safety against liquid leakage can be significantly improved.

く口）外被は高強度のコンクリートで形成するから耐久
性に優れ、かつ、従来の鋼製の外被と比較して塗装等の
メンテナンスが不要となる。(Example) Since the outer shell is made of high-strength concrete, it has excellent durability and requires no maintenance such as painting compared to conventional steel outer shells.

（ハ）貯液槽の周囲に防液堤が不要となったことにより
、土地の有効利用が図れる。(c) Effective use of land can be achieved by eliminating the need for a dike around the liquid storage tank.

（ニ）強度に優れたＲＣコンクリートまたはＰＣコンク
リートで形成した貯液槽を三重構造としたことにより、
外力に対する性能と保温性が著しく向上する。(d) By creating a triple structure of the liquid storage tank made of strong RC concrete or PC concrete,
Performance against external forces and heat retention are significantly improved.

【図面の簡単な説明】[Brief explanation of drawings]

第１図一本発明に係る三重殻貯′ｔＶｔ槽の断面図第２
図・従来の貯液槽の説明図Fig. 1 - Cross-sectional view of the triple shell storage 'tVt tank according to the present invention - Fig. 2
Diagram/Explanatory diagram of conventional liquid storage tank

Claims (2)

【特許請求の範囲】[Claims] （１）気密性と液密性を有する内槽と、 内槽を収容する中間槽と、 前記内槽を収容する密封体式の外槽の三槽からなり、 中間槽と外槽との全周間に保冷材を介在させて構成した
、 三重殻貯液槽。(1) Consisting of three tanks: an airtight and liquid-tight inner tank, an intermediate tank that houses the inner tank, and a sealed outer tank that houses the inner tank. A triple-shell liquid storage tank with a cold insulation material in between. （２）内槽、中間槽および外槽をＲＣコンクリートまた
はＰＣコンクリートで形成することを特徴とする、特許
請求の範囲（１）記載の三重殻貯液槽。(2) The triple shell liquid storage tank according to claim (1), wherein the inner tank, intermediate tank, and outer tank are made of RC concrete or PC concrete.
JP60272486A 1985-12-05 1985-12-05 Triple shell liquid storage tank Expired - Lifetime JPH0610519B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60272486A JPH0610519B2 (en) 1985-12-05 1985-12-05 Triple shell liquid storage tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60272486A JPH0610519B2 (en) 1985-12-05 1985-12-05 Triple shell liquid storage tank

Publications (2)

Publication Number Publication Date
JPS62132098A true JPS62132098A (en) 1987-06-15
JPH0610519B2 JPH0610519B2 (en) 1994-02-09

Family

ID=17514591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60272486A Expired - Lifetime JPH0610519B2 (en) 1985-12-05 1985-12-05 Triple shell liquid storage tank

Country Status (1)

Country Link
JP (1) JPH0610519B2 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601204A (en) * 1989-12-19 1997-02-11 Hall; William Y. Tank vault with sealed liner
WO2000025059A1 (en) * 1998-10-12 2000-05-04 Norconsult As Storage installation for liquified gases
US6287354B1 (en) * 1998-12-18 2001-09-11 Honda Giken Kogyo Kabushiki Kaisha Vehicular air cleaner device
US6286707B1 (en) 1989-12-19 2001-09-11 William Y. Hall Container for above-ground storage
US6422413B1 (en) * 1989-12-19 2002-07-23 William Y. Hall Tank vault
JP2006275128A (en) * 2005-03-29 2006-10-12 Osaka Gas Co Ltd Lng storage structure on sea
US7837055B2 (en) 2004-05-20 2010-11-23 Exxonmobil Upstream Research Company LNG containment system and method of assembling LNG containment system
CN112963724A (en) * 2021-04-21 2021-06-15 成都深冷科技有限公司 Concrete full-capacity tank
WO2023238833A1 (en) * 2022-06-09 2023-12-14 川崎重工業株式会社 Multiple-shell tank and heat insulating material supply method for multiple-shell tank

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2022234069B2 (en) * 2021-03-08 2024-11-14 Kawasaki Jukogyo Kabushiki Kaisha Triple containment tank

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198813U (en) * 1975-02-07 1976-08-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5198813U (en) * 1975-02-07 1976-08-07

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5601204A (en) * 1989-12-19 1997-02-11 Hall; William Y. Tank vault with sealed liner
US6286707B1 (en) 1989-12-19 2001-09-11 William Y. Hall Container for above-ground storage
US6422413B1 (en) * 1989-12-19 2002-07-23 William Y. Hall Tank vault
WO2000025059A1 (en) * 1998-10-12 2000-05-04 Norconsult As Storage installation for liquified gases
US6287354B1 (en) * 1998-12-18 2001-09-11 Honda Giken Kogyo Kabushiki Kaisha Vehicular air cleaner device
US7837055B2 (en) 2004-05-20 2010-11-23 Exxonmobil Upstream Research Company LNG containment system and method of assembling LNG containment system
US8387334B2 (en) 2004-05-20 2013-03-05 Exxonmobil Upstream Research Company LNG containment system and method of assembling LNG containment system
JP2006275128A (en) * 2005-03-29 2006-10-12 Osaka Gas Co Ltd Lng storage structure on sea
CN112963724A (en) * 2021-04-21 2021-06-15 成都深冷科技有限公司 Concrete full-capacity tank
WO2023238833A1 (en) * 2022-06-09 2023-12-14 川崎重工業株式会社 Multiple-shell tank and heat insulating material supply method for multiple-shell tank

Also Published As

Publication number Publication date
JPH0610519B2 (en) 1994-02-09

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