JP2546968Y2 - Cooling structure of low-temperature fluid transport piping - Google Patents
Cooling structure of low-temperature fluid transport pipingInfo
- Publication number
- JP2546968Y2 JP2546968Y2 JP1993044863U JP4486393U JP2546968Y2 JP 2546968 Y2 JP2546968 Y2 JP 2546968Y2 JP 1993044863 U JP1993044863 U JP 1993044863U JP 4486393 U JP4486393 U JP 4486393U JP 2546968 Y2 JP2546968 Y2 JP 2546968Y2
- Authority
- JP
- Japan
- Prior art keywords
- moisture
- proof
- low
- temperature fluid
- fluid transport
- 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 - Lifetime
Links
Landscapes
- Thermal Insulation (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、ＬＮＧ配管などに使用
される低温流体輸送配管の保冷構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling structure for a low-temperature fluid transport pipe used for an LNG pipe or the like.
【０００２】[0002]
【従来の技術】従来、ＬＮＧなどの低温流体の輸送配管
の保冷構造としては、図４に示すような構造が知られて
いる。この保冷構造にあっては、金属製の配管１に、そ
れぞれ第１の保冷材２と第２の保冷材３が重ねて取付け
られている。2. Description of the Related Art Conventionally, a structure as shown in FIG. 4 has been known as a cooling structure of a transportation pipe for a low-temperature fluid such as LNG. In this cold insulating structure, a first cold insulating material 2 and a second cold insulating material 3 are attached to a metal pipe 1 in an overlapping manner.
【０００３】第１の保冷材２と第２の保冷材３は、いず
れもウレタンフォームなどの発泡合成樹脂で構成され、
第２の保冷材３の外周面に外面防湿材５が巻装されてい
る。また、第１と第２の保冷材２，３は、帯鋼などの緊
締材６で締付けて配管１に取付けられている。[0003] The first cold insulator 2 and the second cold insulator 3 are both made of foamed synthetic resin such as urethane foam.
An outer moisture-proof material 5 is wound around the outer peripheral surface of the second cold insulator 3. Further, the first and second cold insulating materials 2 and 3 are attached to the pipe 1 by being tightened with a tightening material 6 such as a steel strip.
【０００４】また、第２の保冷材３の目地部に充填され
る目地材７と、第２保冷材３の長手方向の端部の目地部
に充填される目地材８は、防湿テープ９によりシールさ
れている。なお、第２保冷材３の外面防湿材５の外側に
外装材１０がはぜかけ１１などによって取付けられてい
る。The joint material 7 filled in the joint portion of the second cold insulator 3 and the joint material 8 filled in the joint portion at the longitudinal end of the second cold insulator 3 are bonded by a moisture-proof tape 9. Sealed. Note that an exterior material 10 is attached to the outside of the outer moisture-proof material 5 of the second cold insulator 3 by a hammer 11 or the like.
【０００５】[0005]
【考案が解決しようとする課題】上記の保冷構造では、
施工に多くの工程を必要とし、工期および経費が嵩む欠
点がある。このような欠点を解消するため、保冷材（図
４において第２の保冷材３）に外装材を接着、一体化し
たものが提案されているが、この外装材に金属板が使用
されているため、外装材と保冷材との膨張係数が大きく
異なり、配管の運転時に保冷材の収縮により、外装材の
部分的な剥離が生じやすく、断熱性能の低下や外観が損
なわれるなどの問題がある。[Problem to be solved by the invention] In the above-mentioned cold insulation structure,
There is a drawback that many steps are required for construction, and the construction period and cost are increased. In order to solve such a defect, a material in which an exterior material is bonded to and integrated with a cold insulator (the second cold insulator 3 in FIG. 4) has been proposed, but a metal plate is used for the exterior material. Therefore, the coefficient of expansion between the exterior material and the heat insulating material is significantly different, and there is a problem that the heat insulating material contracts during operation of the pipe, so that the external material is likely to be partially separated, and the heat insulation performance is reduced or the appearance is impaired. .
【０００６】また、トンネル内に施工されるＬＮＧ配管
の場合、常時湿度が高い環境下に置かれるため、結露、
結氷を生じ易く、保冷材と外装材との間に隙間がある場
合、この部分で結露、結氷が生じて保冷効果が低減し、
さらには、保冷材の劣化が促進される問題がある。[0006] In the case of LNG piping installed in a tunnel, since it is always placed in a high humidity environment, dew condensation,
If icing easily occurs and there is a gap between the cooling material and the exterior material, dew condensation and icing occur in this part, reducing the cooling effect,
Further, there is a problem that deterioration of the cold insulator is promoted.
【０００７】本考案は、上記の問題点を解決するため、
保冷材と防湿・外装材が一体化されて外装材の剥離が生
じず、かつ結露、結氷が生じにくい低温流体輸送配管の
保冷構造を提供すること、および防湿・外装材の防湿性
を確実なものとした低温流体輸送配管の保冷構造を提供
することを課題としている。[0007] The present invention solves the above problems,
The cold insulator and the moisture-proof / exterior material are integrated so that the exterior material does not peel off and provide a cold-holding structure for low-temperature fluid transport piping that does not easily cause dew condensation and icing. It is an object of the present invention to provide a cooling structure for a low-temperature fluid transport pipe.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、本考案に係る低温流体輸送配管の保冷構造は、低温
流体輸送配管に保冷材の外周表面にプラスチックシート
または金属箔をゴムシート部材で挟み込んだ複合構造か
らなる防湿・外装材を接着一体化してなるカバー部材を
緊締材を用いて取付け、このカバー部材の目地部に防湿
テープを貼着して目地部をシールするとともに、これら
各部材の全体を黒色に着色したことを特徴とするもので
ある。In order to achieve the above-mentioned object, a cold insulation structure for a low-temperature fluid transport pipe according to the present invention comprises a plastic sheet or a metal foil on a peripheral surface of a cold insulator for a low-temperature fluid transport pipe. A cover member formed by bonding and integrating a moisture-proof / exterior material having a composite structure sandwiched between the components is attached using a tightening material, and a moisture-proof tape is attached to the joint portion of the cover member to seal the joint portion. The entirety of the member is colored black.
【０００９】また、本考案に係る低温流体輸送配管の保
冷構造は、低温流体輸送配管に保冷材の外周表面にゴム
シート部材上にプラスチックシートまたは金属箔が積層
された複合構造からなる防湿・外装材を接着一体化して
なるカバー部材を緊締材を用いて取付け、このカバー部
材の目地部に防湿テープを貼着して目地部をシールする
とともに、これら各部材の全体を黒色に着色したことを
特徴とするものである。さらに、本考案に係る低温流体
輸送配管の保冷構造は、上記の各々の低温流体輸送配管
の保冷構造において、防湿・外装材および防湿テープを
表面に凹凸をつけたものとしたことを特徴としている。Further, the cold insulation structure of the low-temperature fluid transport pipe according to the present invention is a moisture-proof and exterior structure having a composite structure in which a plastic sheet or metal foil is laminated on a rubber sheet member on the outer peripheral surface of a cold insulator on the low-temperature fluid transport pipe. A cover member formed by bonding and integrating materials is attached using a tightening material, and a moisture-proof tape is attached to the joint portion of the cover member to seal the joint portion, and that each of these members is entirely colored black. It is a feature. Further, the cold insulation structure of the low-temperature fluid transportation pipe according to the present invention is characterized in that in the above-described cold insulation structure of each of the low-temperature fluid transportation pipes, the moisture-proof / exterior material and the moisture-proof tape have irregularities on the surface. .
【００１０】[0010]
【作用】本考案に係る低温流体輸送配管の保冷構造によ
ると、保冷材と接着一体化されている防湿・外装材とし
てのゴムシートをプラスチックシートまたは金属箔をゴ
ムシート部材で挟み込んだ複合構造とすることにより、
防湿性を確実なものとすることができる。防湿・外装材
としてのゴムシートをゴムシート部材上にプラスチック
シートまたは金属箔を積層された複合構造とした場合に
も同様に防湿性を確実なものとすることができる。ま
た、保冷材と上記構造の防湿・外装材が接着一体化され
ているため、施工が容易であるとともに、両者間に隙間
がなく、結露、結氷が生じない。しかも、防湿・外装材
にゴムシートを使用しているため、保冷材の収縮による
保冷材と防湿・外装材の剥離が生じない。目地部に使用
する防湿テープは、防湿・外装材としてのゴムシートと
同様な構造のものを使用することができる。According to the cooling structure of the low-temperature fluid transport pipe according to the present invention, a rubber sheet as a moisture-proof / exterior material that is bonded and integrated with a cooling material has a composite structure in which a plastic sheet or a metal foil is sandwiched between rubber sheet members. By doing
Moisture-proof property can be ensured. Similarly, when the rubber sheet as the moisture-proof / exterior material has a composite structure in which a plastic sheet or a metal foil is laminated on a rubber sheet member, the moisture-proof property can be ensured similarly. In addition, since the cold insulator and the moisture-proof / exterior material having the above structure are bonded and integrated, the construction is easy, and there is no gap between the two, so that dew condensation and icing do not occur. In addition, since the rubber sheet is used for the moisture-proof / exterior material, peeling of the cooler and the moisture-proof / exterior material due to shrinkage of the cooler does not occur. As the moisture-proof tape used for the joint, a structure similar to a rubber sheet as a moisture-proof and exterior material can be used.
【００１１】さらに、各部材を黒色に着色することによ
り熱放射による熱伝達が増大し、ゴムシートは、その表
面に細かな凹凸をつけることにより、さらに熱伝達を増
大させることができ、結露、結氷の防止効果が増大す
る。 Further, by coloring each member black, heat transfer by heat radiation is increased, and the rubber sheet is further provided with fine irregularities on its surface to further increase heat transfer.
It can increase the effect of preventing condensation and icing
You.
【００１２】[0012]
【実施例】以下、本考案の実施例を図面に基づき詳細に
説明する。図１は、本考案に係る低温流体輸送配管の保
冷構造の斜視図、図２は、図１の長手方向の一部断面
図、図３は、長手方向と直交する方向の断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of the cold insulation structure of the low-temperature fluid transport pipe according to the present invention, FIG. 2 is a partial cross-sectional view in the longitudinal direction of FIG. 1, and FIG. 3 is a cross-sectional view in a direction orthogonal to the longitudinal direction.
【００１３】図に示されるように、本実施例では、配管
１に装着される保冷材として硬質ウレタンフォーム１２
が使用され、この硬質ウレタンフォーム１２の外周面に
防湿・外装材であるゴムシート１３が自己接着によって
一体化されてカバー部材１４が構成されている。As shown in the figure, in the present embodiment, a rigid urethane foam 12 is used as a cold insulator attached to the pipe 1.
A rubber sheet 13 as a moisture-proof / exterior material is integrated with the outer peripheral surface of the rigid urethane foam 12 by self-adhesion to form a cover member 14.
【００１４】この防湿・外装材に使用されるゴムシート
１３の具体的な材質としては、ＰＥＴなどのプラスチッ
クシートまたはアルミ箔などの金属箔１５の両面をゴム
シート部材１６，１６で挟み込んだ複合構造としたもの
を使用している。これにより防湿性をより確実なものと
することができる。ゴムシート部材１６の具体的な材質
としては、ＥＰＭ，ＥＰＤＭ，ブチルゴムなどの透湿性
の低いものが好ましい。防湿シート１９は、ゴムシート
１３と同様な材質のものを使用している。ゴムシート部
材１６上にプラスチックシートまたは金属箔１５を積層
された複合構造からなる防湿・外装材としてのゴムシー
ト１３および防湿テープ１９を構成した場合にも、同様
に防湿性を確実なものとすることができる。なお、ゴム
シート１３および防湿テープ１９の表面に細かな凹凸を
つけることにより、さらに熱放射による熱伝達を増大さ
せることができる。As a specific material of the rubber sheet 13 used for the moisture-proof / exterior material, a composite structure in which both surfaces of a plastic sheet such as PET or a metal foil 15 such as aluminum foil are sandwiched between rubber sheet members 16, 16 is used. We use what we did. Thereby, the moisture-proof property can be further ensured. As a specific material of the rubber sheet member 16, a material having low moisture permeability such as EPM, EPDM, or butyl rubber is preferable. The moisture-proof sheet 19 is made of the same material as the rubber sheet 13. Similarly, when the rubber sheet 13 and the moisture-proof tape 19 as the moisture-proof / exterior material having the composite structure in which the plastic sheet or the metal foil 15 is laminated on the rubber sheet member 16 are configured, the moisture-proof property is also ensured. be able to. In addition, by providing fine irregularities on the surfaces of the rubber sheet 13 and the moisture-proof tape 19, heat transfer by heat radiation can be further increased.
【００１５】さらに、この保冷材と防湿・外装材が一体
化されたカバー部材１４は、円筒を１／２に縦割した形
状となっている。そして、２つの半円筒形状のカバー部
材１４により配管１を抱き合わせ、その目地部に目地材
１７を充填するとともに、カバー部材１４を緊締材１８
によって緊締して、このカバー部材１４が配管１に固定
されている。Further, the cover member 14 in which the heat insulating material and the moisture-proof / exterior material are integrated has a shape obtained by vertically dividing a cylinder into half. Then, the pipe 1 is held together by the two semi-cylindrical cover members 14, the joint portions are filled with joint materials 17, and the cover members 14 are fastened with tightening members 18.
The cover member 14 is fixed to the pipe 1.
【００１６】このようなカバー部材１４の目地部に充填
した目地材１７と、カバー部材１４の長手方向の接続部
に形成される目地部とに、それぞれ防湿テープ１９を貼
着して目地材１７が密閉され、目地部が補強される。ま
た、カバー部材１４の表面と緊締材１８と防湿テープ１
９などの各部材は、黒色に着色しておくのがよい。な
お、エルボ部も一体化構造とすること勿論のことであ
る。The joint material 17 filled in the joint part of the cover member 14 and the joint part formed at the connection part in the longitudinal direction of the cover member 14 are respectively adhered with the moisture-proof tape 19 to be joined. Is sealed and the joints are reinforced. Also, the surface of the cover member 14, the tightening member 18, and the moisture-proof tape 1
Each member such as 9 is preferably colored black. The elbow portion is of course of an integrated structure.
【００１７】[0017]
【考案の効果】以上説明したように、本考案の低温流体
輸送配管の保冷構造によれば、保冷材の外周面に防湿・
外装材として複合構造のゴムシートが接着一体化された
カバー部材が使用されるため、現場での施工作業が省力
化され、運転時に保冷材の収縮による防湿・外装材の部
分的な剥離が生ずることもない。[Effects of the Invention] As described above, according to the cold insulation structure of the low-temperature fluid transport pipe of the present invention, the outer peripheral surface of the cold insulation material has moisture-proof and
As a cover material is used as the exterior material, a cover member in which a rubber sheet with a composite structure is bonded and integrated is used. This saves labor at the site, and causes moisture-proofing and partial peeling of the exterior material due to shrinkage of the cold insulator during operation. Not even.
【００１８】一方、各部材は、全て黒色に着色されてい
るため、熱放射による熱伝達が増大し、防湿・外装材の
表面にも結露、結氷が生じにくい効果がある。On the other hand, since all the members are colored black, heat transfer by heat radiation is increased, and there is an effect that dew condensation and ice formation hardly occur on the surface of the moisture-proof and exterior material.
【００１９】特に、本考案の保冷構造によれば、保冷材
と接着一体化されている防湿・外装材としてのゴムシー
トを、プラスチックシートまたは金属箔をゴムシート部
材で挟み込んだ複合構造としたり、ゴムシート部材上に
プラスチックシートまたは金属箔を積層された複合構造
とすることにより、その防湿性を確実なものとすること
ができる。In particular, according to the cold insulation structure of the present invention, the rubber sheet as the moisture-proof / exterior material bonded and integrated with the cold insulation material has a composite structure in which a plastic sheet or a metal foil is sandwiched between rubber sheet members, By having a composite structure in which a plastic sheet or a metal foil is laminated on a rubber sheet member, its moisture-proof property can be ensured.
【図１】本考案の実施例の斜視図である。FIG. 1 is a perspective view of an embodiment of the present invention.
【図２】図１の長手方向の部分断面図である。FIG. 2 is a partial sectional view in the longitudinal direction of FIG. 1;
【図３】図１の長手方向と直交する方向の断面図であ
る。FIG. 3 is a cross-sectional view in a direction orthogonal to the longitudinal direction of FIG.
【図４】従来例の斜視図である。FIG. 4 is a perspective view of a conventional example.
１ 配管 １２ 硬質ウレタンフォーム １３ ゴムシート １４ カバー部材 １７ 目地材 １８ 緊締材 １９ 防湿テープ DESCRIPTION OF SYMBOLS 1 Piping 12 Rigid urethane foam 13 Rubber sheet 14 Cover member 17 Joint material 18 Tightening material 19 Moisture-proof tape
フロントページの続き (72)考案者 菊池 四郎 東京都港区芝大門一丁目１番26号 ニチ アス株式会社内 (72)考案者 隅田 登 東京都港区芝大門一丁目１番26号 ニチ アス株式会社内 (56)参考文献 特開 平２−72296（ＪＰ，Ａ) 実開 昭63−62697（ＪＰ，Ｕ) 実開 昭63−181752（ＪＰ，Ｕ) 実公 平３−19677（ＪＰ，Ｙ２)Continuing on the front page (72) Inventor Shiro Kikuchi Nichiasu Co., Ltd. 1-126 Shibadaimon, Minato-ku, Tokyo (72) Inventor Noboru Sumida 1-126 Shibadaimon, Minato-ku, Tokyo Nichiasu Co., Ltd. (56) References JP-A-2-72296 (JP, A) JP-A-63-62697 (JP, U) JP-A-6-188172 (JP, U) JP-A-3-19677 (JP, Y2)
Claims (3)
プラスチックシートまたは金属箔をゴムシート部材で挟
み込んだ複合構造からなる防湿・外装材を接着一体化し
てなるカバー部材を緊締材を用いて取付け、このカバー
部材の目地部に防湿テープを貼着して目地部をシールす
るとともに、これら各部材の全体を黒色に着色したこと
を特徴とする低温流体輸送配管の保冷構造。1. A cover member obtained by bonding and integrating a moisture-proof / exterior material having a composite structure in which a plastic sheet or metal foil is sandwiched between rubber sheet members on the outer peripheral surface of a cold insulator in a low-temperature fluid transport pipe by using a tightening material. A cold insulation structure for a low-temperature fluid transport pipe, characterized in that the joint is sealed by attaching a moisture-proof tape to the joint of the cover member, and the entirety of these members is colored black.
ゴムシート部材上にプラスチックシートまたは金属箔が
積層された複合構造からなる防湿・外装材を接着一体化
してなるカバー部材を緊締材を用いて取付け、このカバ
ー部材の目地部に防湿テープを貼着して目地部をシール
するとともに、これら各部材の全体を黒色に着色したこ
とを特徴とする低温流体輸送配管の保冷構造。2. A cover member obtained by bonding and integrating a moisture-proof / exterior material having a composite structure in which a plastic sheet or a metal foil is laminated on a rubber sheet member on the outer peripheral surface of a cold insulator on a low-temperature fluid transport pipe, and a tightening material. A cooling structure for a low-temperature fluid transport pipe, characterized in that a moisture-proof tape is attached to the joint of the cover member to seal the joint, and that each of the members is colored black.
細かな凹凸をつけたものであることを特徴とする請求項
１および２記載の低温流体輸送配管の保冷構造。3. The cold insulation structure for a low-temperature fluid transport pipe according to claim 1, wherein the moisture-proof / exterior material and the moisture-proof tape have fine irregularities on their surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993044863U JP2546968Y2 (en) | 1993-07-26 | 1993-07-26 | Cooling structure of low-temperature fluid transport piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993044863U JP2546968Y2 (en) | 1993-07-26 | 1993-07-26 | Cooling structure of low-temperature fluid transport piping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0710695U JPH0710695U (en) | 1995-02-14 |
| JP2546968Y2 true JP2546968Y2 (en) | 1997-09-03 |
Family
ID=12703337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993044863U Expired - Lifetime JP2546968Y2 (en) | 1993-07-26 | 1993-07-26 | Cooling structure of low-temperature fluid transport piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2546968Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003292835A1 (en) * | 2002-12-26 | 2004-07-22 | Setuo Shimozaki | Heat insulation pipe and heat insulation pipe installation method |
| JP2010085059A (en) * | 2008-10-02 | 2010-04-15 | Asahi Sangyo Kk | Heat insulation device and heat insulation method for air conditioning duct |
| KR102548207B1 (en) * | 2020-12-14 | 2023-06-27 | (주)동성화인텍 | Contraction and expansion joint applied with silicone rubber sheet for LNG carrier pipe insulation system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0272296A (en) * | 1988-09-02 | 1990-03-12 | Mitsuboshi Belting Ltd | Pipe heat insulating anticorrosive waterproof cover member and execution method thereof |
-
1993
- 1993-07-26 JP JP1993044863U patent/JP2546968Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710695U (en) | 1995-02-14 |
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