JP2671176B2 - Storage tank for low temperature liquid - Google Patents
Storage tank for low temperature liquidInfo
- Publication number
- JP2671176B2 JP2671176B2 JP3347765A JP34776591A JP2671176B2 JP 2671176 B2 JP2671176 B2 JP 2671176B2 JP 3347765 A JP3347765 A JP 3347765A JP 34776591 A JP34776591 A JP 34776591A JP 2671176 B2 JP2671176 B2 JP 2671176B2
- Authority
- JP
- Japan
- Prior art keywords
- storage tank
- roof
- nozzle
- concentrated
- low temperature
- 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 - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えばＬＮＧ、ＬＰＧ
等の低温液化ガスのような低温液体を貯蔵する低温液体
用貯槽の構造の改良に関するものである。The present invention relates to, for example, LNG and LPG.
The present invention relates to an improvement in the structure of a storage tank for a low temperature liquid that stores a low temperature liquid such as a low temperature liquefied gas.
【０００２】[0002]
【従来の技術】従来の低温液体用貯槽は、図３に示され
るように、鉄筋コンクリート製貯槽躯体２１の内壁全面
に保冷材２２が設置され、該保冷材の貯蔵液側は貯蔵液
２９を密閉するため躯体部１次気密層２３により覆われ
る。貯槽躯体上部にはドーム型の鋼製屋根１７が設置さ
れ、該ドーム屋根から保冷材２８を張架して貯槽上部の
保冷機構が構成される。2. Description of the Related Art As shown in FIG. 3, a conventional cryogenic liquid storage tank is provided with a cold insulation material 22 on the entire inner wall of a reinforced concrete storage tank skeleton 21, and the storage fluid side of the cold insulation material seals a storage fluid 29. Therefore, it is covered with the primary airtight layer 23 of the body. A dome-shaped steel roof 17 is installed on the upper part of the storage tank skeleton, and a cold insulation material 28 is stretched from the dome roof to constitute a cold insulation mechanism on the upper part of the storage tank.
【０００３】更に、該ドーム屋根には、貯槽機能上必要
な投入用・抜出し用のノズル及び脱気用のノズル等の種
々のノズル（図示せず）が設置され、下方の保冷材２８
を貫通して貯槽内部に引き込まれる構造とされる。ま
た、かかるノズルは、ドーム屋根の有する強度の問題か
ら集中的に設置することはできず、分散して行われる。Further, on the dome roof, various nozzles (not shown) such as charging / extracting nozzles and deaeration nozzles necessary for the storage tank function are installed, and the cold insulating material 28 below.
The structure is such that it penetrates through and is drawn into the storage tank. Further, such nozzles cannot be intensively installed because of the problem of the strength of the dome roof, and are dispersed.
【０００４】[0004]
【発明が解決しようとする課題】ところで、かかる従来
のドーム型鋼製屋根方式の低温液体用貯槽は、屋根が湾
曲し且つ強度的に弱いため、敷地の有効利用を図るべく
貯槽の殆どを地中に埋設することは不可能である。そこ
で、屋根強度が大きく地中埋設が可能な鉄筋コンクリー
ト製の平板屋根を備えた貯槽構造を考えた。In the conventional domed steel roof type low temperature liquid storage tank, however, the roof is curved and the strength is weak, so most of the storage tank is grounded in order to effectively use the site. It is impossible to embed it inside. Therefore, we considered a storage tank structure with a flat roof made of reinforced concrete that has high roof strength and can be buried underground.
【０００５】しかしながら、該鉄筋コンクリート製平板
屋根貯槽に於て、従来のドーム屋根貯槽と同様、配管ノ
ズルを分散設置する構造を採用すると、分散設置された
貫通部毎にいちいち屋根の補強、保冷構造を考慮しなけ
ればならず、屋根構造が非常に複雑になるとの問題があ
る。However, in the reinforced concrete flat roof storage tank, if the structure in which the piping nozzles are dispersedly installed is adopted as in the conventional dome roof storage tank, the roof is reinforced and the cold insulation structure is provided for each of the distributed penetrations. There is a problem that the roof structure becomes very complicated because it must be taken into consideration.
【０００６】また、ノズル貫通部は鋼製構造が機能的に
有利であることから、前記鉄筋コンクリート製平板屋根
方式の貯槽に於て該鉄筋コンクリート製屋根の一部に配
管ノズルを集中設置する鋼製のノズル集中貫通部を設け
る構造とした場合には、鉄筋コンクリートと鋼との熱容
量、熱伝導率等の材料物性の差により、構造的不連続部
に熱荷重が加わり、その対応のため、保冷構造が複雑、
過大になるとの問題がある。Further, since the steel structure of the nozzle penetrating portion is functionally advantageous, in the storage tank of the reinforced concrete flat roof system, a pipe nozzle is concentratedly installed on a part of the reinforced concrete roof. When a structure with concentrated nozzle penetrations is provided, due to differences in material properties such as heat capacity and thermal conductivity between reinforced concrete and steel, a thermal load is applied to the structural discontinuity, and in order to respond to that, the cold insulation structure is complexity,
There is a problem of becoming excessive.
【０００７】本発明は、かかる点に着目してなされたも
ので、安全性が高く、且つ保冷効率がよい屋根全体が連
続的な構造の平板屋根方式の低温液体用貯槽構造を得る
ことを目的とする。The present invention has been made in view of the above points, and an object of the invention is to obtain a flat roof type low temperature liquid storage tank structure having a structure in which the entire roof is continuous and has a high safety and a high cooling efficiency. And
【０００８】[0008]
【課題を解決するための手段】本請求項１に記載の発明
に係る低温液体用貯槽は、鉄筋コンクリート製の平屋根
を有し、該平屋根に配管ノズルが集中的に配置されたノ
ズル集中貫通部が穿設され、前記ノズル集中貫通部が、
ノズル集中貫通部内に組まれた鋼製骨組と、ノズル集中
貫通部の下面を覆う鉄板と、ノズル集中貫通部内に充填
されたコンクリートとから成るコンクリート−鋼複合構
造を有し、前記配管ノズルを挿通させるノズル挿通孔を
備えているものである。The storage tank for low temperature liquid according to the present invention is a flat roof made of reinforced concrete.
And the pipe nozzles are centrally arranged on the flat roof.
The slur concentrated penetration portion is bored, and the nozzle concentrated penetration portion is
Steel skeleton assembled in the nozzle concentrated penetration part and nozzle concentrated
Fill the inside of the nozzle concentrated penetration with an iron plate that covers the lower surface of the penetration.
Concrete-steel composite structure consisting of
And has a nozzle insertion hole through which the piping nozzle is inserted.
It is equipped .
【０００９】また、本請求項２に記載の発明に係る低温
液体用貯槽は、前記鉄筋コンクリート製の平屋根が貯槽
躯体と一体に形成されているものである。 The low temperature according to the invention of claim 2
In the liquid storage tank , the flat roof made of reinforced concrete is formed integrally with the storage tank body .
【００１０】[0010]
【００１１】また、本請求項３に記載の発明に係る低温
液体用貯槽は、前記鉄板が、低温液体用貯槽の内槽の一
部を構成しているものである。 The low temperature according to the invention of claim 3
In the liquid storage tank , the iron plate constitutes a part of the inner tank of the low temperature liquid storage tank .
【００１２】[0012]
【作用】本発明では、鉄筋コンクリート製の平板屋根を
有し、該平板屋根に配管ノズルを集中的に配置するノズ
ル集中貫通部が穿設されたものであるため、従来のドー
ム屋根方式の貯槽より屋根強度が大きく、上部が平板と
なるため、貯槽屋根上面部の有効利用が可能となる。ま
た、屋根部上部までを完全に地中に埋設した地中完全埋
設方式の貯槽も可能となる。尚、ノズル集中貫通部は貯
槽屋根の何れの場所に穿設してもよいが、屋根中央部に
穿設することが施工が簡略化され好ましい。In the present invention, since the flat roof made of reinforced concrete is provided with the nozzle concentrated penetrating portions for centrally arranging the piping nozzles, the flat roof does not have the conventional dome roof type storage tank. Since the roof strength is high and the upper part is flat, it is possible to effectively use the upper surface of the storage tank roof. It is also possible to use a completely underground storage tank in which the upper part of the roof is completely buried in the ground. In addition, although the nozzle concentrated penetration portion may be formed at any place on the roof of the storage tank, it is preferable to be formed at the central portion of the roof because the construction is simplified.
【００１３】更に、配管ノズルを貯槽屋根のノズル集中
貫通部に集中的に設置することにより、屋根全体の強度
を損なうことが少なく、ノズル貫通部の補強・保冷構造
が簡単となる。また、好ましくは、前記鉄筋コンクリー
ト製の平板屋根を貯槽躯体と一体に形成されたもので
は、貯槽躯体の側壁と屋根周縁部との接合部分が同一部
材で連続して設置されるため、屋根強度及び保冷効率が
向上される。Further, since the pipe nozzles are intensively installed in the nozzle concentrated penetrating portion of the storage tank roof, the strength of the entire roof is not impaired, and the reinforcement / cooling structure of the nozzle penetrating portion is simplified. Further, preferably, in the one in which the reinforced concrete flat roof is integrally formed with the storage tank skeleton, since the joint portion between the side wall of the storage tank skeleton and the roof peripheral portion is continuously installed with the same member, the roof strength and Cooling efficiency is improved.
【００１４】また、前記ノズル集中貫通部内に組まれた
鋼製骨組と、該骨組の下部に設置された鉄板と、該鉄板
の上部に前記骨組とノズルを挿通させるノズル挿通孔と
共に充填したコンクリートとで形成されたコンクリート
−鋼複合構造の前記ノズル集中貫通部の閉塞壁が備えた
ものであるため、配管ノズル接合部の構造が簡易化され
配管ノズルの設置が容易となる。Further, a steel skeleton assembled in the nozzle concentrated penetration portion, an iron plate installed at a lower portion of the skeleton, and concrete filled with a nozzle insertion hole through which the skeleton and the nozzle are inserted in an upper portion of the iron plate. Since the concrete-steel composite structure having the closing wall of the nozzle concentrated penetrating portion formed in (3) is provided, the structure of the pipe nozzle joint is simplified and the pipe nozzle can be easily installed.
【００１５】更に、コンクリート−鋼複合構造の前記ノ
ズル集中貫通部の閉塞壁は、隣接の鉄筋コンクリート製
屋根部と熱容量等の材料物性が等価となるため、平板屋
根及び貫通部の構造不連続部での熱荷重が大幅に改善さ
れ、屋根全体がシンプルな構造となる。更に、施工の簡
略化のために、好ましくはノズル集中貫通部を閉塞する
前記鉄板が低温液体用貯槽の内槽（屋根部１次気密層）
の一部を構成させる。Further, the closed wall of the nozzle concentrated penetration part of the concrete-steel composite structure has the same material properties such as heat capacity as the adjacent reinforced concrete roof part, so that the structural discontinuity of the flat roof and the penetration part is The heat load on the roof has been significantly improved, and the entire roof has a simple structure. Further, in order to simplify the construction, preferably, the iron plate that closes the nozzle concentrated penetration portion is the inner tank of the low temperature liquid storage tank (the primary airtight layer of the roof portion).
Form part of.
【００１６】[0016]
【実施例】本発明の一実施例を図面に基いて説明する。
図１は、請求項３記載の発明に係る低温液体用貯槽の一
実施例の構成を示す断面図であり、図２は、図１の貯槽
の屋根部に設けられるノズル集中貫通部の構成を示す拡
大断面図である。図１に示されるように、鉄筋コンクリ
ート製の貯槽躯体１の側壁及び底版内側全面には、躯体
部保冷材２が設置され、該保冷材の貯蔵液側は躯体部１
次気密層３により覆われ、貯蔵液９が密閉される。一
方、貯槽屋根は、鉄筋コンクリート製の平板状とされ、
該平板屋根の中心部に配管ノズル、マンホール等が集中
的に配置されるノズル集中貫通部５が穿設される。ま
た、屋根内面下部には、デッキ７が屋根に対して水平に
張架され、屋根内面と該デッキとの間には、屋根内側面
で常温となる温度勾配を持つように屋根部保冷材８が充
填される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a sectional view showing the structure of an embodiment of a cryogenic liquid storage tank according to the invention of claim 3, and FIG. 2 shows the structure of a nozzle concentrated penetration portion provided on the roof of the storage tank of FIG. It is an expanded sectional view shown. As shown in FIG. 1, a skeleton cooler 2 is installed on the side wall of the reinforced concrete storage tank skeleton 1 and on the entire inner surface of the bottom slab, and the stored liquid side of the cooler is the skeleton 1
The next airtight layer 3 covers and the storage liquid 9 is sealed. On the other hand, the storage roof is a flat plate made of reinforced concrete,
A nozzle concentrated penetrating portion 5 in which piping nozzles, manholes and the like are concentratedly arranged is provided at the center of the flat roof. In addition, a deck 7 is stretched horizontally below the roof under the inner surface of the roof, and between the inner surface of the roof and the deck, there is a heat insulating material 8 for the roof so that there is a temperature gradient at the inner surface of the roof at room temperature. Is filled.
【００１７】また、図２に示されるように、前記ノズル
集中貫通部５には、鋼製骨組１０が組まれると共に、配
管ノズル１３を挿通させるノズル挿通孔１２が設けら
れ、該ノズル挿通孔内にも保冷材１４が充填される。そ
して、前記鋼製骨組の下部は鉄板１１により覆われ、該
鉄板の上部に前記鋼製骨組１０とノズル挿通孔１２とを
含めコンクリートが充填されることによりノズル集中貫
通部５にコンクリート−鋼複合構造の閉塞壁が形成さ
れ、ノズル集中貫通部が閉塞される。このように、ノズ
ル集中貫通部は、コンクリート−鋼複合構造の閉塞壁に
より閉塞されるため、隣接の鉄筋コンクリート製屋根部
４と熱容量等の材料物性が等価になり、平板屋根及び貫
通部の構造不連続部での熱荷重が改善される。尚、本発
明に係る低温液体用貯槽では、貯蔵液を密閉する鋼製の
屋根部１次気密層６は鉄筋コンクリート製屋根の下面に
設置されるため、該気密層が太陽の直射等による熱荷重
を受けることがなく、屋根部の保冷効果上有利である。Further, as shown in FIG. 2, a steel frame 10 is assembled in the nozzle concentrated penetrating portion 5, and a nozzle insertion hole 12 for inserting a pipe nozzle 13 is provided in the nozzle insertion hole. Also, the cold insulating material 14 is filled. The lower part of the steel frame is covered with an iron plate 11, and the upper part of the steel plate is filled with concrete including the steel frame 10 and the nozzle insertion holes 12, whereby the nozzle-concentrated penetration part 5 has a concrete-steel composite structure. A blocking wall of the structure is formed, and the nozzle concentrated penetrating portion is blocked. As described above, since the nozzle concentrated penetration portion is closed by the closing wall of the concrete-steel composite structure, the material properties such as the heat capacity are the same as those of the adjacent reinforced concrete roof portion 4 and the structural failure of the flat roof and the penetration portion. The thermal load in the continuous part is improved. In the storage tank for low temperature liquid according to the present invention, since the steel roof primary airtight layer 6 for sealing the stored liquid is installed on the lower surface of the reinforced concrete roof, the airtight layer is subjected to a thermal load due to direct sunlight or the like. It is not affected and is advantageous in keeping the roof cool.
【００１８】[0018]
【発明の効果】以上説明したとおり、本発明では、鉄筋
コンクリート製の平板屋根を有し、該平板屋根に配管ノ
ズルを集中的に配置するノズル集中貫通部を穿設したも
のであるため、従来のドーム屋根方式の貯槽より屋根強
度が大きく、上部が平板となるため、貯槽屋根上面部の
有効利用が可能となる。また、屋根部上部までを完全に
地中に埋設した完全埋設方式の貯槽も可能となり、従来
のドーム屋根方式の貯槽と異なり屋根部が地上に大きく
突出することもなく、安全性並びに景観性の向上も図ら
れる。更に、配管ノズルを貯槽屋根のノズル集中貫通部
に集中的に設置することにより、屋根全体の強度を損な
うことが少なく、ノズル貫通部の補強・保冷構造が簡単
となる。As described above, according to the present invention, the flat roof made of reinforced concrete is provided with the nozzle concentrated penetrating portions for centrally disposing the pipe nozzles. Since the roof strength is higher than that of the dome roof type storage tank and the top is flat, it is possible to effectively use the upper surface of the storage tank roof. In addition, a completely buried storage tank that completely fills the upper part of the roof in the ground is also possible, and unlike the conventional dome roof storage tank, the roof does not project significantly above the ground, providing safety and scenery. It can be improved. Further, by intensively installing the pipe nozzles in the nozzle concentrated penetration part of the storage tank roof, the strength of the entire roof is not impaired, and the reinforcement / cooling structure of the nozzle penetration part is simplified.
【００１９】また、前記ノズル集中貫通部内に組まれた
鋼製骨組と、該骨組の下部に設置された鉄板と、該鉄板
の上部に前記骨組とノズルを挿通させるノズル挿通孔と
共に充填したコンクリートとで形成されたコンクリート
−鋼複合構造の前記ノズル集中貫通部の閉塞壁が備えた
られたものであるため、配管ノズル接合部の構造が簡易
化され配管ノズルの設置が容易となる。更に、コンクリ
ート−鋼複合構造の前記ノズル集中貫通部の閉塞壁は、
隣接の鉄筋コンクリート製屋根部と熱容量等の材料物性
が等価となるため、平板屋根及び貫通部の構造不連続部
での熱荷重が大幅に改善され、屋根全体がシンプルな構
造となる等の効果がある。Further, a steel frame assembled in the nozzle concentrated penetration portion, an iron plate installed at a lower part of the frame, and concrete filled with a nozzle insertion hole through which the frame and the nozzle are inserted in an upper part of the iron plate. Since the concrete-steel composite structure having the closing wall of the nozzle concentrated penetrating portion formed in (1) is provided, the structure of the pipe nozzle joint is simplified and the pipe nozzle can be easily installed. Further, the closing wall of the nozzle concentrated penetration of the concrete-steel composite structure,
Since the material properties such as heat capacity are equivalent to the adjacent reinforced concrete roof part, the heat load at the structural discontinuity of the flat roof and the through part is significantly improved, and the effect is that the entire roof has a simple structure. is there.
【図１】本発明の一実施例の構成を示す断面図である。FIG. 1 is a sectional view showing a configuration of an embodiment of the present invention.
【図２】図１の要部の構成を示す拡大断面図である。FIG. 2 is an enlarged cross-sectional view showing a configuration of a main part of FIG.
【図３】従来の低温液体用貯槽の構成を示す断面図であ
る。尚、各図中同一符号は同一部分または相当部分を示
す。FIG. 3 is a cross-sectional view showing the configuration of a conventional cryogenic liquid storage tank. In the drawings, the same reference numerals indicate the same or corresponding parts.
１、２１ 貯槽躯体 ２、２２ 躯体部保冷材 ３、２３ 躯体部１次気密層 ４ 鉄筋コンクリート製屋根部 ５ ノズル集中貫通部 ６ 屋根部１次気密層 ７ デッキ ８、２８ 屋根部保冷材 ９、２９ 貯蔵液 １０ 鋼製骨組 １１ 鉄板 １２ ノズル挿通孔 １３ 配管ノズル １４ ノズル挿通部保冷材 １５ コンクリート充填部 １６ 鉄筋コンクリート−鋼製屋根部接合部材 １７ ドーム型鋼製貯槽屋根 1, 21 Storage tank skeleton 2, 22 Cooling material for skeleton part 3, 23 Body part primary airtight layer 4 Reinforced concrete roof part 5 Nozzle concentrated penetration part 6 Roof part primary airtight layer 7 Deck 8, 28 Roof part cooling material 9, 29 Storage liquid 10 Steel frame 11 Iron plate 12 Nozzle insertion hole 13 Piping nozzle 14 Nozzle insertion part Cooling material 15 Concrete filling part 16 Reinforced concrete-Steel roof joint member 17 Dome type steel storage tank roof
フロントページの続き (72)発明者 池浦 栄一 東京都港区海岸一丁目５番20号 東京瓦 斯株式会社内 (72)発明者 塩原 一男 東京都千代田区丸ノ内一丁目１番２号 日本鋼管株式会社内 (72)発明者 鳥飼 説夫 東京都千代田区丸ノ内一丁目１番２号 日本鋼管株式会社内 (72)発明者 此島 信幸 東京都千代田区丸ノ内一丁目１番２号 日本鋼管株式会社内 (56)参考文献 特開 昭62−159894（ＪＰ，Ａ) 特公 昭39−18889（ＪＰ，Ｂ１) 特公 昭44−6914（ＪＰ，Ｂ１)Front page continuation (72) Inventor Eiichi Ikeura 1-5-20 Kaigan, Minato-ku, Tokyo Within Tokyo Gas Co., Ltd. (72) Inventor Kazuo Shiobara 1-2-2 Marunouchi, Chiyoda-ku, Tokyo Nippon Steel Tube Co., Ltd. (72) Inventor Norio Torikai 1-2-2 Marunouchi, Chiyoda-ku, Tokyo Japan Steel Tube Co., Ltd. (72) Nobuyuki Konoshima 1-2-1 Marunouchi, Chiyoda-ku, Tokyo Japan Steel Tube ( 56) References JP-A-62-159894 (JP, A) JP-B 39-18889 (JP, B1) JP-B 44-6914 (JP, B1)
Claims (3)
平屋根に配管ノズルが集中的に配置されたノズル集中貫
通部が穿設され、前記ノズル集中貫通部が、ノズル集中
貫通部内に組まれた鋼製骨組と、ノズル集中貫通部の下
面を覆う鉄板と、ノズル集中貫通部内に充填されたコン
クリートとから成るコンクリート−鋼複合構造を有し、
前記配管ノズルを挿通させるノズル挿通孔を備えている
ことを特徴とする低温液体用貯槽。1. A flat roof made of reinforced concrete,
Concentrated nozzles with concentrated piping nozzles on a flat roof
A through hole is formed, and the nozzle concentrated through hole is
The steel frame assembled inside the penetration and below the nozzle concentrated penetration
The iron plate that covers the surface and the nozzles that are filled in the nozzle concentrated penetration part
It has a concrete-steel composite structure consisting of cleats and
It has a nozzle insertion hole through which the pipe nozzle is inserted.
A storage tank for low-temperature liquids.
躯体と一体に形成されていることを特徴とする請求項１
記載の低温液体用貯槽。2. The flat roof made of reinforced concrete is a storage tank.
It is formed integrally with the body.
Storage tank for low temperature liquid described.
部を構成していることを特徴とする請求項１記載の低温
液体用貯槽。3. The iron plate is one of the inner tanks of a low temperature liquid storage tank.
The cryogenic liquid storage tank according to claim 1, wherein the storage tank constitutes a part .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3347765A JP2671176B2 (en) | 1991-12-04 | 1991-12-04 | Storage tank for low temperature liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3347765A JP2671176B2 (en) | 1991-12-04 | 1991-12-04 | Storage tank for low temperature liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05157193A JPH05157193A (en) | 1993-06-22 |
| JP2671176B2 true JP2671176B2 (en) | 1997-10-29 |
Family
ID=18392427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3347765A Expired - Fee Related JP2671176B2 (en) | 1991-12-04 | 1991-12-04 | Storage tank for low temperature liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2671176B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266635A (en) * | 2016-12-30 | 2018-07-10 | 天津市华赛尔气体有限公司 | A kind of liquid nitrogen storage tank safe to use |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62159894A (en) * | 1986-01-08 | 1987-07-15 | Nippon Kokan Kk <Nkk> | Storage tank for low temperature liquefied gas |
-
1991
- 1991-12-04 JP JP3347765A patent/JP2671176B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266635A (en) * | 2016-12-30 | 2018-07-10 | 天津市华赛尔气体有限公司 | A kind of liquid nitrogen storage tank safe to use |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05157193A (en) | 1993-06-22 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |