JPS6255039B2 - - Google Patents

Info

Publication number
JPS6255039B2
JPS6255039B2 JP54034260A JP3426079A JPS6255039B2 JP S6255039 B2 JPS6255039 B2 JP S6255039B2 JP 54034260 A JP54034260 A JP 54034260A JP 3426079 A JP3426079 A JP 3426079A JP S6255039 B2 JPS6255039 B2 JP S6255039B2
Authority
JP
Japan
Prior art keywords
tank
block
blocks
low
site
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.)
Expired
Application number
JP54034260A
Other languages
Japanese (ja)
Other versions
JPS55129694A (en
Inventor
Katsuyuki Kakehi
Sho Kanazawa
Tomoaki Matsuda
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.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
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 Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP3426079A priority Critical patent/JPS55129694A/en
Publication of JPS55129694A publication Critical patent/JPS55129694A/en
Publication of JPS6255039B2 publication Critical patent/JPS6255039B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C3/00Vessels not under pressure
    • F17C3/02Vessels not under pressure with provision for thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/03Thermal insulations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602Wall structures; Special features thereof
    • F17C2203/0612Wall structures
    • F17C2203/0626Multiple walls
    • F17C2203/0629Two walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146Two-phase
    • F17C2223/0153Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161Liquefied 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)

Description

【発明の詳細な説明】 <産業上の利用分野> この発明は、例えば、LH2、LO2等の低温液化
ガスを貯蔵する低温タンクにおいて、外槽に対し
て断熱空間を介して内槽が設けられ、該内槽に注
入口から低温液を受け入れ、注出口から払い出さ
れるようにした構造に関する発明であり、特に、
タンク躯体を複数のブロツクに分割するように
し、各ブロツクごとに内外槽を上記断熱空間を密
閉する遮断壁での段差部で位置決めし、一体化す
るようにしておき、該外槽に設けた外延フランジ
を介して連結接合して所定容量のタンクにするこ
とが出来る低温タンク構造に係る発明である。
[Detailed Description of the Invention] <Industrial Application Field> The present invention is directed to, for example, a low-temperature tank for storing low-temperature liquefied gases such as LH 2 and LO 2 , in which an inner tank is connected to an outer tank through an adiabatic space. This invention relates to a structure in which a low-temperature liquid is provided in the inner tank through an inlet and is discharged from an outlet, and in particular,
The tank body is divided into a plurality of blocks, and the inner and outer tanks of each block are positioned at the stepped part of the barrier wall that seals the insulation space, and the outer tank is integrated. This invention relates to a low-temperature tank structure that can be connected and connected via flanges to form a tank of a predetermined capacity.

<従来技術> 従来より、LH2、LO2等の低温液化ガス等の低
温タンクにおいては第1図に示す様に、鋼板製の
二重殻式のものが用いられている。
<Prior Art> As shown in FIG. 1, double-shell tanks made of steel plates have been conventionally used for low-temperature tanks for storing low-temperature liquefied gases such as LH 2 and LO 2 .

而して、該種二重殻式低温タンク1に於いては
外槽1′に対して内設される内槽2が断熱空間、
例えば、真空断熱空間3を介して付設され、該内
槽2内に注入口4より所定の貯留低温液を受け入
れ、注出口5より次段へ払い出すようにされてい
るが、一般に所定に成形された鋼板を工場、或
は、現場にて溶接6,6…によつて接合された構
造になつている。
Therefore, in the seed double-shell type low temperature tank 1, the inner tank 2 installed inside the outer tank 1' is a heat insulating space,
For example, a predetermined stored low-temperature liquid is installed in the inner tank 2 via a vacuum insulated space 3, receives a predetermined amount of stored low-temperature liquid from an inlet 4, and is discharged from an outlet 5 to the next stage. The structure is such that the steel plates are joined by welding 6, 6, . . . in a factory or on-site.

<発明が解決しようとする問題点> ところで、タンク容量の大型化に伴い、タンク
躯体の接合は現地にて行われることが多く、その
場合、現場溶接の制約上、断熱空間3の心出し精
度が出し難い難点があり、又、現場での溶接長が
長いために、現場でのタンク溶接検査等を含めて
工期も長くかかり、コスト的にも割高となる不利
点があつた。
<Problems to be Solved by the Invention> Incidentally, as tank capacity increases, tank bodies are often joined on-site, and in this case, due to constraints on on-site welding, the centering accuracy of the heat insulating space 3 is Moreover, since the length of welding at the site is long, the construction period including on-site inspection of tank welding is long, and the cost is relatively high.

<発明の目的> この発明の目的は上述従来技術に基づく二重殻
式低温タンクの問題点を解決すべき技術的課題と
し、予め工場で内外槽をして断熱空間を遮断する
断熱壁で連結溶接し、該断熱空間を密封した複数
のブロツクにして現場組み付けにして建て込むこ
とにより極めて高精度、且つ、容易に建造するこ
とが出来るようにしてエネルギー産業による貯蔵
技術利用分野に益する優れた低温タンク構造を提
供せんとするものである。
<Objective of the invention> The object of the invention is to solve the problems of the double-shell cryogenic tank based on the above-mentioned prior art as a technical problem to be solved. By welding and sealing the insulation space into multiple blocks and assembling them on-site, it is possible to construct with extremely high precision and easily, making it an excellent product that will benefit the field of storage technology application by the energy industry. The purpose is to provide a low temperature tank structure.

<問題点を解決するための手段・作用> 上述目的に沿い先述特許請求の範囲を要旨とす
るこの発明の構成は前述問題点を解決するため
に、外槽に対して設定断熱空間を介し端部に段差
部を有する遮断壁により該断熱空間を密閉して内
槽を一体固定してブロツク化し、而して、該各ブ
ロツクを現場に搬入し、所定個数のブロツクを該
ブロツク端部の遮断壁の段差部を介して位置決め
嵌合し、各ブロツクの外槽端部に外延したフラン
ジ相互を介してシール裡に連結し、現場溶接を無
くし、所望容量が得られるようにした技術的手段
を講じたものである。
<Means/effects for solving the problems> In order to solve the above-mentioned problems, the structure of the present invention, which is based on the scope of the above-mentioned claims, is to solve the above-mentioned problems. The insulation space is hermetically sealed with a cutoff wall having a stepped portion, and the inner tank is integrally fixed to form blocks.Then, each block is transported to the site and a predetermined number of blocks are cut off at the end of the block. The technical means of positioning and fitting through the stepped part of the wall and connecting them with each other in a sealed manner through flanges extending outward from the ends of the outer tank of each block eliminates on-site welding and makes it possible to obtain the desired capacity. This is what I learned.

<実施例> 次に、この発明の1実施例を第2,3図に基づ
いて説明すれば以下の通りである。
<Example> Next, an example of the present invention will be described below based on FIGS. 2 and 3.

7はこの発明の要旨の中心を成す低温タンクで
あり、例えば、LH2、LO2の貯留に供されるもの
であり、所定鋼板製の外槽8、及び、内槽9が段
差部を有する端部10′の遮断壁10により連結
され、その間に断熱空間11が形成されており、
真空、或は、パーライト粒子等を充填する等の断
熱手段を適宜採用されるようにされている。
Reference numeral 7 designates a low-temperature tank which forms the center of the gist of the present invention, and is used for storing LH 2 and LO 2 , for example, and an outer tank 8 and an inner tank 9 made of a specified steel plate have a stepped portion. They are connected by a blocking wall 10 at the end 10', and a heat insulating space 11 is formed between them.
A heat insulating means such as vacuum or filling with pearlite particles or the like is appropriately employed.

12は注入口であり、タンク7上部に設けら
れ、内槽9に接続されて外槽8に外延して貫通さ
れており、13は注出口であり、同じくタンク7
下部に下延され、外槽8を貫通して内槽9の底部
に連通されている。
Reference numeral 12 indicates an inlet, which is provided at the upper part of the tank 7, is connected to the inner tank 9, and extends outwardly and penetrates the outer tank 8. Reference numeral 13 indicates an outlet, which is also connected to the inner tank 9 and penetrates the outer tank 8.
It extends downward, passes through the outer tank 8, and communicates with the bottom of the inner tank 9.

而して、タンク7の躯体14は図示実施例にお
いては注入口12を有する上部躯体14′、注出
口13を有する下部躯体14″、その間の中間躯
体14の3つに分割されて連結されている。
In the illustrated embodiment, the body 14 of the tank 7 is divided into three parts: an upper body 14' having an inlet 12, a lower body 14'' having an outlet 13, and an intermediate body 14 between them. There is.

そして、各躯体14′,14″,14の断熱空
間11の端部に於ける対応部にそれぞれ遮断壁1
0が環設されている。
Then, a blocking wall 1 is installed at the corresponding end of the heat insulating space 11 of each frame 14', 14'', 14.
0 is set in the ring.

而して、各分割躯体14′,14″,14は図
示する様に、予め工場にて断熱空間11の形成時
に遮断壁10を介し内外槽8,9を一体に連結
し、真空処理、或は、パーライト充填を行う。
As shown in the figure, each of the divided frames 14', 14'', 14 is constructed by connecting the inner and outer tanks 8, 9 together through the blocking wall 10 in advance at the factory when forming the heat insulating space 11, and then applying vacuum treatment or performs perlite filling.

尚、図示する様に、遮断壁10による内外槽
8,9の連結時に該遮断壁10をZ型段差部1
0′を有する形状にして環設することにより、シ
ール長を長くするようにされ、又、該遮断壁10
の段差部を介して位置決め嵌合し、外槽8部に於
いてはボルト孔を螺装するフランジ15を一体的
に外延して植設固定するようにされる。
As shown in the figure, when connecting the inner and outer tanks 8 and 9 by the blocking wall 10, the blocking wall 10 is connected to the Z-shaped stepped portion 1.
By forming the shield wall 10 into a ring shape, the seal length can be increased.
The flanges 15 screwed into the bolt holes are integrally extended and implanted and fixed in the outer tank 8 portion through the stepped portions.

このように、予め工場にて溶接されたタンク躯
体14′,14″,14は適宜手段により建造現
場に搬入され、該現場に於いて下部躯体14″を
図示しないベースに建て込み、続いて中間躯体1
4″を該下部躯体14″に載置し、その際、上下の
遮断壁10,10相互の段差部10′を介して自
動的に位置決めさせると共に該段差部10′とフ
ランジ15相互に適宜シール16,16を添設
し、該フランジ15,15にボルトナツト17,
17…を装着させて緊結固定する。
In this way, the tank bodies 14', 14'', 14, which have been welded in advance at the factory, are transported to the construction site by appropriate means, where the lower body 14'' is erected on a base (not shown), and then the intermediate Frame 1
4'' is placed on the lower frame 14'', and at this time, the upper and lower blocking walls 10, 10 are automatically positioned via the stepped portion 10' of each other, and the stepped portion 10' and the flange 15 are appropriately sealed with each other. 16, 16 are attached, and bolt nuts 17,
17... is attached and fastened.

尚、当該実施例においては中間躯体14は1
つの一体物であるが、2ブロツク、3ブロツクの
複数ブロツクを上述同様にして遮断壁10,10
…、フランジ15,15…、ボルトナツト17,
17…を介して複層重積させて所定容量に増加す
ることは可能であり、単に設計上の問題に過ぎな
い。
In addition, in this embodiment, the intermediate frame 14 is 1
However, multiple blocks such as 2 blocks and 3 blocks are constructed in the same manner as described above to form the blocking walls 10 and 10.
..., flange 15, 15..., bolt nut 17,
It is possible to increase the predetermined capacity by stacking multiple layers through 17, but it is simply a matter of design.

そして、最後に上部躯体14′を吊り込み、上
述同様にセンタリングして重合し、フランジ1
5,15をボルト締めし、緊結結合させてタンク
躯体14の建造を終える。
Finally, the upper frame 14' is suspended, centered and polymerized in the same manner as described above, and the flange 1
5 and 15 are bolted and tightly connected to complete the construction of the tank body 14.

上述構成において、タンク7を運転状態に入ら
せると、内槽9内に注入口12から受け入れられ
たLH2、LO2等の低温液は貯留され、貯留液は所
定に注出口13から適宜に次段に払い出されてい
く。
In the above configuration, when the tank 7 is put into operation, the low temperature liquids such as LH 2 and LO 2 received from the injection port 12 are stored in the inner tank 9, and the stored liquid is appropriately discharged from the pouring port 13 at a predetermined location. It will be paid out to the next stage.

尚、この発明の実施態様は上述実施例に限るも
のでないことは勿論であり、例えば、上述実施例
は躯体ブロツクの分割を上下方向に行つたが、容
量によつては周方向にも分割することが可能であ
り、又、遮断壁についてもラビリンス状にしてシ
ール効果をより強化するようにしても良い。
It goes without saying that the embodiment of the present invention is not limited to the above-mentioned embodiment. For example, in the above-mentioned embodiment, the main body block was divided vertically, but depending on the capacity, it could also be divided circumferentially. In addition, the shielding wall may also be formed into a labyrinth shape to further strengthen the sealing effect.

<発明の効果> 以上、この発明によれば、断熱空間を介して内
外槽を対設する二重殻式低温タンク構造におい
て、該タンク躯体を複数ブロツクに分割し、各分
割ブロツクは内外槽をして断熱空間を密閉する遮
断壁にて一体連結するようにし、該一体化各ブロ
ツクを外槽フランジを介してシール裡に緊結固定
接合するようにしたことにより、基本的に各ブロ
ツクは工場で溶接形成することが出来、それも設
計により出来るだけ熱挙動に対し応力集中や熱歪
が生じ易い溶接継手部を少く、溶接線を短くする
ことが出来るので、タンク運転上極めて好ましい
のみならず、現場での建造施工が該遮断壁を介し
ての自動センタリングで建て込みが出来、組み付
けによる緊結だけで現場作業が行え、したがつ
て、作業工数がは甚だしく減少され、それだけ工
期も短く、コストダウンが図れる効果がある。
<Effects of the Invention> As described above, according to the present invention, in a double-shell cryogenic tank structure in which an inner and outer tank are disposed opposite each other through a heat insulating space, the tank body is divided into a plurality of blocks, and each divided block has an inner and outer tank. The two blocks are connected together by a barrier wall that seals the heat insulating space, and each of the integrated blocks is tightly and securely joined via the outer tank flange, so basically each block can be assembled at the factory. It can be formed by welding, and it is possible to minimize the number of welded joints that are prone to stress concentration and thermal distortion due to thermal behavior due to the design, and to shorten the weld line, which is not only extremely desirable for tank operation, but also Construction can be carried out on-site by automatic centering through the barrier wall, and on-site work can be done simply by assembling and tightening. Therefore, the number of man-hours is greatly reduced, the construction period is correspondingly shortened, and costs are reduced. There is an effect that can be achieved.

又、現場での溶接作業がなく、工場溶接で済む
ため、それだけ精度が向上し、均質化、能率アツ
プにつながるメリツトもある。
In addition, since there is no on-site welding work and only factory welding is required, there is an advantage of improved accuracy, homogenization, and increased efficiency.

更に、上述の如くユニツト化したブロツクを所
望に段積締結することにより、一種の量産化が可
能になり、タンク容量のアツプダウンが容易に図
れ、可能な限りの大型化、小型化が出来る優れた
効果がある。
Furthermore, by stacking and fastening unitized blocks as desired as described above, a kind of mass production becomes possible, and the tank capacity can be easily increased or decreased, making it possible to make the tank as large or as small as possible. effective.

そして、段積時に各ブロツクの端部の遮断壁の
段差部を介して嵌合させることにより、自動的に
位置決めがなされ、正確に一体化が可能となる優
れた効果が奏される。
By fitting the blocks through the stepped portions of the blocking walls at the ends of each block during stacking, positioning is automatically performed and an excellent effect is achieved in that accurate integration is possible.

又、一般にタンクの定期補修検査は極めて煩瑣
であるが、上述のように複数ブロツクの締結接合
により建造されているので、解離も容易であり、
したがつて、各ブロツクごとの検査、補修、それ
も工場へ搬送して行えるので、正確に行え、その
限り、点検、修理等の信頼度も高い安全上のメリ
ツトもある。
Additionally, periodic repair inspections of tanks are generally extremely troublesome, but as mentioned above, they are constructed by fastening and joining multiple blocks, so they are easy to disassemble.
Therefore, since each block can be inspected and repaired by transporting it to the factory, it can be carried out accurately, and as long as this is done, there is also the safety advantage of high reliability in inspections, repairs, etc.

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

第1図は従来技術に基づく低温タンクの断面
図、第2図はこの発明の1実施例のタンク断面
図、第3図は第2図A部拡大断面図である。 12……注入口、13……注出口、8……外
槽、9……内槽、11……断熱空間、14……タ
ンク躯体、14′,14″,14……ブロツク、
15……フランジ、10……遮断壁、10′……
段差部。
FIG. 1 is a sectional view of a low temperature tank based on the prior art, FIG. 2 is a sectional view of a tank according to an embodiment of the present invention, and FIG. 3 is an enlarged sectional view of section A in FIG. 12... Inlet, 13... Outlet, 8... Outer tank, 9... Inner tank, 11... Heat insulation space, 14... Tank body, 14', 14'', 14... Block,
15...flange, 10...blocking wall, 10'...
Step part.

Claims (1)

【特許請求の範囲】[Claims] 1 注入口と注出口とを有し外槽に対して内槽が
断熱空間を介して設けられている低温タンク構造
において、タンク躯体が複数のブロツクに分割さ
れ、該各ブロツクは上記外槽から外延するフラン
ジを有し、内槽と外槽との間にて該各ブロツクの
端部に上記断熱空間を密閉する遮断壁を各々段差
を相互に嵌合自在に有しており、而して各ブロツ
クは上記各フランジを介してシール裡に接合され
て上記躯体を形成されていることを特徴とする低
温タンク構造。
1. In a low-temperature tank structure in which an inner tank is provided with an inlet and an outlet and an inner tank is connected to an outer tank via an insulating space, the tank body is divided into a plurality of blocks, and each block is connected to the outer tank. The block has an outwardly extending flange, and between the inner tank and the outer tank, a cutoff wall for sealing the heat insulation space is provided at the end of each block, each having a step that can be fitted into each other. A low-temperature tank structure characterized in that each block is sealedly joined via each of the flanges to form the frame.
JP3426079A 1979-03-26 1979-03-26 Structure of low-temperature tank Granted JPS55129694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3426079A JPS55129694A (en) 1979-03-26 1979-03-26 Structure of low-temperature tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3426079A JPS55129694A (en) 1979-03-26 1979-03-26 Structure of low-temperature tank

Publications (2)

Publication Number Publication Date
JPS55129694A JPS55129694A (en) 1980-10-07
JPS6255039B2 true JPS6255039B2 (en) 1987-11-18

Family

ID=12409197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3426079A Granted JPS55129694A (en) 1979-03-26 1979-03-26 Structure of low-temperature tank

Country Status (1)

Country Link
JP (1) JPS55129694A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018092650A1 (en) * 2016-11-18 2018-05-24 川崎重工業株式会社 Heat insulating container for low-temperature liquefied gas pumps

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5013358B2 (en) * 2006-02-27 2012-08-29 株式会社石井鐵工所 Vertical double-shell cylindrical cryogenic storage tank

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048516A (en) * 1973-08-31 1975-04-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048516A (en) * 1973-08-31 1975-04-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018092650A1 (en) * 2016-11-18 2018-05-24 川崎重工業株式会社 Heat insulating container for low-temperature liquefied gas pumps
US11339799B2 (en) 2016-11-18 2022-05-24 Kawasaki Jukogyo Kabushiki Kaisha Heat insulating vessel for low temperature liquefied gas pump

Also Published As

Publication number Publication date
JPS55129694A (en) 1980-10-07

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