JPH01269799A - Double shell type low temperature tank provided with air vent device and air vent device used in the tank - Google Patents
Double shell type low temperature tank provided with air vent device and air vent device used in the tankInfo
- Publication number
- JPH01269799A JPH01269799A JP9807988A JP9807988A JPH01269799A JP H01269799 A JPH01269799 A JP H01269799A JP 9807988 A JP9807988 A JP 9807988A JP 9807988 A JP9807988 A JP 9807988A JP H01269799 A JPH01269799 A JP H01269799A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- air vent
- vent device
- double
- shell type
- 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
Links
- 239000012528 membrane Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/081—Mounting arrangements for vessels for large land-based storage 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- 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
- F17C2201/0104—Shape cylindrical
- F17C2201/0119—Shape cylindrical with flat end-piece
-
- 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
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/018—Supporting feet
-
- 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
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0136—Terminals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は外槽側部と屋根部との連接縁近部に息抜き装
置を設けた二重殻式低温タンクと当該タンクに使用した
息抜き装置に関する。Detailed Description of the Invention (Industrial Application Field) This invention relates to a double-shelled cryogenic tank equipped with a breather device near the connecting edge between the outer tank side and the roof, and a breather device used in the tank. Regarding.
（従来の技術）
従来例における二重殻式低温タンクも、内槽内に貯蔵し
た低温液の出し入れに伴う温度変化により、内槽が伸縮
して生ずる内槽と外槽間の圧力の変動を吸収して一定の
圧力に保つため、例えば特公昭３８−２６５４２号に示
される息抜き装置を設けているのが普通である。(Prior art) Conventional double-shell cryogenic tanks also prevent pressure fluctuations between the inner tank and the outer tank, which occur when the inner tank expands and contracts due to temperature changes that occur when the low-temperature liquid stored in the inner tank is put in and taken out. In order to absorb the pressure and maintain it at a constant pressure, it is common to provide a breather device as shown in Japanese Patent Publication No. 38-26542, for example.
従来例における二重殻式低温タンクでは、該息抜き装置
は、第４図に示すように、二重殻式低温タンクとは別体
の独立した息抜きタンク（２１）を設け、当該息抜壽タ
ンク（２１）内にダイヤフラムバルーン〈２４）を設け
た調圧機構を形成し、別体の息抜きタンク（２１）と二
重殻式低温タンクの内槽（２３）と外槽（２２）の検量
を管路（２５）で連結していた。In the conventional double-shell cryogenic tank, the breather device is provided with an independent breather tank (21) separate from the double-shell cryotank, as shown in FIG. A pressure regulating mechanism is formed with a diaphragm balloon (24) inside (21), and the separate breather tank (21) and the inner tank (23) and outer tank (22) of the double-shell cryogenic tank are calibrated. They were connected by a pipe (25).
（発明が解決しようとする課題）
従来例における二重殻式低温タンクでは、息抜きタンク
を別に独立して外部に設けるため、広大な土地面積を必
要とし、貯蔵低温液量に比して極めて高い設備費を必要
とする問題点がある。(Problems to be Solved by the Invention) In conventional double-shell cryogenic tanks, a breather tank is provided separately and externally, which requires a vast land area and is extremely expensive compared to the amount of stored cryogenic liquid. There is a problem in that it requires equipment costs.
又、二１ｉ殻式低温タンクと息抜きタンクを連通ずる長
い配管を必要とし、管路の補修点検を常に行わなければ
ならない問題点を有している。In addition, a long pipe is required to connect the 21I shell type low temperature tank and the breather tank, and there is a problem in that the pipe line must be constantly repaired and inspected.
（課題を解決するための手段）
この発明は上述の課題を解決するために、二重殻式低温
タンクの外槽側部と屋根部との連接縁辺部に息抜き装置
を設けた二重殻式低温タンクを提供することを目的とす
るものであり、併せてリング状の密封箱形に形成して二
重殻式低温タンクに形成した新規な息抜き装置を提供し
ようとするものである。(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a double-shell type low-temperature tank with a breather device provided at the connecting edge between the outer tank side and the roof of the double-shell type cryogenic tank. The object of the present invention is to provide a low-temperature tank, and also to provide a novel breather device formed into a ring-shaped sealed box to form a double-shelled low-temperature tank.
（作用）
この発明に係る二重殻式低温タンクは、息抜き装置が外
槽側部と屋根部との連接縁辺部に形成されるので、別体
の息抜きタンクが不要となり、その分の敷地面積を他に
流用して有効に使用できる。(Function) In the double-shelled cryogenic tank according to the present invention, since the breather device is formed at the connecting edge between the outer tank side and the roof, a separate breather tank is not required, and the site area correspondingly can be repurposed and used effectively.
また、長い配管が不要となるので補修点検が容易となる
。Furthermore, since long piping is not required, repair and inspection become easier.
（実施例） 実施例について、図面を参照して説明する。(Example) Examples will be described with reference to the drawings.
第１図は、防油堤（１８）を備えた二重殻式低温タンク
の肩部に息抜き装置（１１）を設けた実施例の断面説明
図である。FIG. 1 is an explanatory cross-sectional view of an embodiment in which a breather device (11) is provided on the shoulder of a double-shell cryogenic tank equipped with an oil barrier (18).
第１図において、内槽（１３）は平底円筒状の鋼板製の
密閉タンクで、当該内槽（１３）と隔接間隔を設けて鋼
板製の外槽（１２）が設けられている。In FIG. 1, the inner tank (13) is a flat-bottom cylindrical sealed tank made of steel plate, and an outer tank (12) made of steel plate is provided at a distance from the inner tank (13).
丁度外槽（１２）の底部保冷層（１７）の上に内槽（１
３）が載置状に設けられている状態である。The inner tank (1) is placed just above the bottom cold insulation layer (17) of the outer tank (12).
3) is placed in a placed state.
内槽（１３）と外槽（１２）の隔接間隔内は全域にわた
って保冷層（１４）と空間（１５）で形成する。A cold insulation layer (14) and a space (15) are formed over the entire area within the separation interval between the inner tank (13) and the outer tank (12).
つまり、外槽（１２）の内側面は断熱材を内張して積層
した保冷層（１４）を設けて形成し、当該保冷層（１４
）と内槽（１３）の外側面との間を空間（１５）に形成
する０歩廊（１６）は、リング状平板に形成した床板と
床板外周縁から鉛直上方に立てて組枠した手すりとから
なり、リング状平板の内周縁を外槽（１２）の上縁還部
に固定して形成する。In other words, the inner surface of the outer tank (12) is formed by providing a cold insulation layer (14) which is laminated with a heat insulating material inside.
) and the outer surface of the inner tank (13), which forms a space (15), consists of a floor plate formed into a ring-shaped flat plate, and a handrail built vertically upward from the outer periphery of the floor plate. It is formed by fixing the inner peripheral edge of a ring-shaped flat plate to the upper edge part of the outer tank (12).
防液堤り１８〉は貯蔵低温液量に見合う敷地面積を設け
て形成する。息抜き装置（１１）は外槽（１２）の側部
と屋根部の連接縁いわゆるタンク肩部に形成する０丁度
歩廊（１６）の内側に位置するように形成す第２図は、
プレストレストコンクリート製の防液堤を設けた二重殻
式低温タンクの肩部に息抜き装置を設けな実施例を示し
ている。The liquid embankment 18> is formed with a site area that is commensurate with the amount of stored low-temperature liquid. The breather device (11) is formed so as to be located exactly inside the walkway (16) formed at the connecting edge between the side and roof of the outer tank (12), so-called tank shoulder.
This figure shows an example in which a breather device is provided at the shoulder of a double-shell cryogenic tank equipped with a liquid barrier made of prestressed concrete.
第２図において、内槽（１３）は第１の実施例における
場合と同一で、平底円筒状の鋼板製の密閉タンクである
。In FIG. 2, the inner tank (13) is the same as in the first embodiment, and is a flat-bottomed cylindrical sealed tank made of steel plate.
外槽となる防液堤（１９）は、平底円筒容器状にプレス
トレストコンクリートで形成し、容器側部の高さを内槽
（１３）の側部高さとほぼ同一に形成する。防液堤〈１
９）の側部内周面には全域に鋼板製のシールメタル（２
０）を設け、当該シールメタル（２０）の上端縁と鋼板
製の屋根部を連接して密封状に形成する。防液堤（１９
）の内部底面には底部保冷層（１７）を形成し、シール
メタル（２０）と屋根の内壁面には、断熱材を積層して
形成した保冷層（１４）を形成する。また、保冷層（１
４）と内槽（１３）の間には屋根部を含めて全域に空間
（１５）を設ける。The liquid barrier (19) serving as the outer tank is formed of prestressed concrete in the shape of a flat-bottomed cylindrical container, and the height of the side of the container is approximately the same as the height of the side of the inner tank (13). Liquid dike〈1
9) A steel plate seal metal (2
0), and the upper edge of the seal metal (20) and the roof made of a steel plate are connected to form a sealed shape. Liquid dike (19
A bottom cold insulation layer (17) is formed on the inner bottom surface of the roof, and a cold insulation layer (14) formed by laminating heat insulating materials is formed on the seal metal (20) and the inner wall surface of the roof. In addition, a cold insulation layer (1
4) and the inner tank (13), a space (15) is provided in the entire area including the roof.
歩ｒＢ（１６）は、防液堤〈１９）の上端面部をそのま
ま使用し、手すりを外周縁に立設して形成する。The walk rB (16) is formed by using the upper end surface of the dike (19) as it is, and by erecting a handrail on the outer peripheral edge.
息抜き装置（１１）は、防液堤（１９）の上端面に載１
状に設けて形成し、連通管υ）を、空間（１５）に連通
して設け、パージ管■および空気抜き管αｌは、外側に
突出して設ける。The breather device (11) is mounted on the upper end surface of the dike (19).
A communication pipe υ) is provided to communicate with the space (15), and a purge pipe ② and an air vent pipe αl are provided to protrude outward.
息抜き装置（１１）は、第３図に示すように、外槽と同
一曲率で形成した湾曲面の内周壁（１）と、同−巾の扇
状平板に形成した底壁（４）と、覆板口並びに底壁（イ
）と覆板（５１の外周縁を連接する外周壁（２）、およ
び側壁（３）で、所定の濁長さに形成した箱形密封体に
形成し、内周壁（１）の側縁を外槽（１２）に固定する
。この場合、内周壁（１）は、外槽の側板の一部を使用
して形成してもよい。As shown in Fig. 3, the breather device (11) consists of an inner circumferential wall (1) of a curved surface formed with the same curvature as the outer tank, a bottom wall (4) formed in a fan-shaped flat plate with the same width, and a cover. The outer circumferential wall (2) connecting the outer circumferential edge of the plate opening, the bottom wall (A), and the outer circumferential edge of the cover plate (51), and the side wall (3) form a box-shaped sealed body with a predetermined length, and the inner circumferential wall The side edge of (1) is fixed to the outer tank (12).In this case, the inner peripheral wall (1) may be formed using a part of the side plate of the outer tank.
箱形密封体の息抜き装置（１１）の内側は、中間よりや
や上部で、ゴム系材料からなる仕切膜（６）で上下の隔
室に分割し、該仕切膜（６）に大きいたるみを設けて固
定し、上部又は下部に一体に重りとしてウェイドロを固
着する。The inside of the breather device (11), which is a box-shaped sealed body, is divided into upper and lower compartments by a partition membrane (6) made of a rubber-based material, slightly above the middle, and a large sag is provided in the partition membrane (6). , and attach Wadero as an integral weight to the upper or lower part.
分割した上部隔室は、空気抜き管０αで大気に開放し１
分割した下部隔室には、パージ管ａと連通管（９）を接
続する。The divided upper compartment is opened to the atmosphere through an air vent pipe 0α.
The purge pipe a and the communication pipe (9) are connected to the divided lower compartment.
パージ管（ａは、外周壁［２１の外部に突出させ、連通
管（９）は、保冷層（１４）を通貫して空間（１５）に
連通させる。The purge pipe (a) is made to protrude to the outside of the outer peripheral wall [21], and the communication pipe (9) is made to pass through the cold insulation layer (14) and communicate with the space (15).
空間（１５）には、不活性の窒素ガスをパージ管矧ご通
して導入し、内部空気を排除する。空間（１５）の圧力
は、上下に動く仕切膜（６）とウェイドロの重さによる
圧力と大気圧との和で示される設定圧力に保たれる。Inert nitrogen gas is introduced into the space (15) through a purge pipe to eliminate internal air. The pressure in the space (15) is maintained at a set pressure represented by the sum of atmospheric pressure and the pressure due to the weight of the vertically moving partition membrane (6) and Wadero.
息抜き装置（１１）は、弧状に湾曲した箱状の密封体ユ
ニットを予め成形し、該密封体ユニット複数個を外槽（
１２）上端縁近郊に連接固定して形成しても良い。The breather device (11) is formed by pre-molding an arcuate box-shaped sealing body unit, and inserts a plurality of the sealing body units into an outer tank (
12) It may be formed by being connected and fixed near the upper edge.
（発明の効果）
この発明は以上説明したように構成されているので、以
下に記載されるような効果を奏する。(Effects of the Invention) Since the present invention is configured as described above, it produces the effects described below.
二重殻式低温タンクでは、別体の息抜きタンクが不要と
なり、長い配管が必要でなくなるので１、書、抜き装置
の保守点検が容易となる。The double-shell cryogenic tank eliminates the need for a separate breather tank and eliminates the need for long piping, making maintenance and inspection of the extraction device easier.
また、プレストレストコンクリート防液堤を備えた二１
ｉ殻式低温タンクでは、さらに加えて、広大な敷地が不
要となり、土地の有効な利用をし得る今日的課題の解決
が可能となる。In addition, 21 buildings equipped with prestressed concrete dike
In addition, the I-shell type low-temperature tank eliminates the need for a vast site, making it possible to solve modern problems by making effective use of land.
請求項第２項の息抜き装置は、タンクに複数個設けられ
るので、タンクの使用中でも独立して個々に補修取替え
が可能となる。Since a plurality of breather devices according to claim 2 are provided in the tank, they can be repaired and replaced individually even while the tank is in use.
第１図は息抜き装置を設けた二重殻式低温タンクの断面
説明図、第２図は息抜き装置を設けた防液堤を備えた二
重殻式低温タンクの断面説明図、第３図は息抜き装置の
一部を断面とした説明図、第４図は従来例の−を示す二
重殻式低温タンクの断面説明図。
６・・・・仕 切 膜 １１・・・・息抜き装置７
・・・・ウェイト １２・・・・外 槽９・・・・
連通管 １３・・・・内 槽１０・・・・空気抜き管
第１図
１８２図
第３図
第 ４図Figure 1 is an explanatory cross-sectional diagram of a double-shell cryogenic tank equipped with a breather device, Figure 2 is a cross-sectional explanatory diagram of a double-shell cryogenic tank equipped with a dike and a breather device, and Figure 3 is an explanatory cross-sectional diagram of a double-shell cryogenic tank equipped with a breather device. FIG. 4 is an explanatory diagram showing a part of the breather device in cross section, and FIG. 6... Partition membrane 11... Breathing device 7
... Weight 12 ... Outside tank 9 ...
Communication pipe 13...Inner tank 10...Air vent pipe Figure 1 Figure 182 Figure 3 Figure 4
Claims (2)
、外槽の上端縁近部にリング状の密封箱形の息抜き装置
を設けたことを特徴とした二重殻式低温タンク。(1) A double-shell cryogenic tank consisting of an inner tank and an outer tank, characterized in that a ring-shaped sealed box-shaped breathing device is provided near the upper edge of the outer tank.
通管と空気抜き管を備えて調圧できるように形成した、
請求項第１項記載の二重殻式低温タンクに使用する息抜
き装置。(2) Formed into a sealed box shape with a partition membrane and weight, and equipped with a communication pipe and an air vent pipe so as to be able to regulate the pressure.
A breather device for use in the double shell cryogenic tank according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63098079A JP2691726B2 (en) | 1988-04-22 | 1988-04-22 | Double shell low temperature tank equipped with breather and breather used for the tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63098079A JP2691726B2 (en) | 1988-04-22 | 1988-04-22 | Double shell low temperature tank equipped with breather and breather used for the tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01269799A true JPH01269799A (en) | 1989-10-27 |
| JP2691726B2 JP2691726B2 (en) | 1997-12-17 |
Family
ID=14210341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63098079A Expired - Fee Related JP2691726B2 (en) | 1988-04-22 | 1988-04-22 | Double shell low temperature tank equipped with breather and breather used for the tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2691726B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6120998U (en) * | 1984-07-13 | 1986-02-06 | 石川島播磨重工業株式会社 | Low temperature tank pressure regulator |
-
1988
- 1988-04-22 JP JP63098079A patent/JP2691726B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6120998U (en) * | 1984-07-13 | 1986-02-06 | 石川島播磨重工業株式会社 | Low temperature tank pressure regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2691726B2 (en) | 1997-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |