JP2000035192A - Heat insulating device - Google Patents

Heat insulating device

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Publication number
JP2000035192A
JP2000035192A JP10206455A JP20645598A JP2000035192A JP 2000035192 A JP2000035192 A JP 2000035192A JP 10206455 A JP10206455 A JP 10206455A JP 20645598 A JP20645598 A JP 20645598A JP 2000035192 A JP2000035192 A JP 2000035192A
Authority
JP
Japan
Prior art keywords
heat
metal plate
piping
heat insulating
insulator
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
JP10206455A
Other languages
Japanese (ja)
Other versions
JP4195126B2 (en
Inventor
Hideji Hayakawa
秀治 早川
Yoshimi Ikeda
義実 池田
Tetsuji Nemoto
哲治 根本
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.)
ASK CORP
Original Assignee
ASK 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 ASK CORP filed Critical ASK CORP
Priority to JP20645598A priority Critical patent/JP4195126B2/en
Publication of JP2000035192A publication Critical patent/JP2000035192A/en
Application granted granted Critical
Publication of JP4195126B2 publication Critical patent/JP4195126B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin

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  • Thermal Insulation (AREA)

Abstract

PROBLEM TO BE SOLVED: To enable the walking of a worker on a heat insulator by arranging one of circumferential bonding part of the heat insulator at the top of a piping, and fitting a deformation preventing metal plate to both sides of the bonding part in the circumferential direction. SOLUTION: An insulator 2 divided into plural pieces such as two and four is arranged in the periphery of a piping A to be covered for heat insulation with the predetermined space in relation to the peripheral surface of the piping A so that a circumferential bonding part is positioned at the top, and bonding parts of these heat insulators 2 are connected to each other by a connecting member such as a buckle 6 so as to excellently cover the piping A for heat insulation, and a metal plate 10 having a desirable width can be formed at the top of the heat insulator 2 by rivet, screwing, or welding. With this structure, in case of inspecting the piping and equipment during the common use thereof or in case of exchanging, repairing, checking and washing them, a worker can freely move on the metal plate 10 so as to eliminate a danger of slip and fall, and generation of damage of the outer surface can be lowered.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、原子力発電装置の
断熱保温装置、特に原子力発電プラントの配管や機器等
を断熱被覆する断熱保温装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adiabatic heat insulating device for a nuclear power plant, and more particularly to an adiabatic heat insulating device for insulating and covering pipes and equipment of a nuclear power plant.

【０００２】[0002]

【従来の技術】従来、原子力発電プラントにおいては、
原子炉から延出するよう設置された配管や、付属して設
けられた各種機器等は断熱保温装置によって被覆されて
断熱保護されている。2. Description of the Related Art Conventionally, in a nuclear power plant,
Pipes installed to extend from the nuclear reactor and various devices provided with the equipment are covered with an adiabatic heat insulator to be adiabatically protected.

【０００３】[0003]

【発明が解決しようとする課題】従来のこのような断熱
保温装置は、被保温体となる配管や機器を取り囲むよう
に、複数個に分割されて繊維質保温材やケイカル成形体
を金属板ケースで覆って成るものや、金属板を層状に積
層して金属板ケースで被覆する等して構成されている。
このような断熱保温装置は配管の周りを被覆する場合
に、例えば、２つ割りの半円筒形に、保温材を金属薄板
の外皮で被覆して成る保温体を、配管の周りに組合せ配
置してバックルで連結して成り、共用期間中検査（ＩＳ
Ｉ）、洗浄、修理または交換の際にはバックルを外して
各保温体を取り外しできるようになっている。Such a conventional heat insulating and heat insulating apparatus is divided into a plurality of pieces so as to surround a pipe or an apparatus to be a heat insulating body, and a fibrous heat insulating material or a scallop molded body is formed in a metal plate case. Or by laminating metal plates in layers and covering them with a metal plate case.
When such an adiabatic heat insulating device covers the periphery of a pipe, for example, a heat insulator formed by covering a heat insulating material with a thin metal plate outer cover in a half-cylindrical shape is arranged in combination around the pipe. Inspection during the sharing period (IS
I) In the case of cleaning, repair or replacement, the buckle is removed and each heat insulator can be removed.

【０００４】また、このような断熱保温装置の保温体は
外皮が薄く、通常０. ６〜１. ６ｍｍ厚さのステンレス
鋼板が一般に使われており、保温体の上に作業者が乗っ
たりすると外皮が凹んだり歪んだりして変形して、保温
体厚さが減少し、断熱効果が悪くなり、所期の保温性能
を確保できなくなったり、また、バックルが壊れたり、
バックルの連結位置がずれたりして再装着が困難に、或
いは不可能になったりする等の問題点が見られる。[0004] Further, the heat insulator of such an adiabatic heat insulator has a thin outer skin, and generally a stainless steel plate having a thickness of 0.6 to 1.6 mm is generally used. The outer skin is deformed by being dented or distorted, the thickness of the heat insulation body is reduced, the heat insulation effect is deteriorated, the expected heat insulation performance can not be secured, or the buckle is broken,
There are problems such that the connection position of the buckle is displaced and it is difficult or impossible to remount the buckle.

【０００５】このような問題に対し、従来は断熱保温装
置の表面強度を上げるために、外皮板厚を厚くしていた
が、加工性が悪く、重くなり、コストも高くなった。[0005] In order to increase the surface strength of the heat insulating and heat insulating apparatus, the thickness of the outer skin has been increased in the past, but the workability was poor, the weight was high, and the cost was high.

【０００６】従って、本発明の目的は、このような従来
における問題点を解決するために、配管や機器の周りに
複数個に分割された断熱保温構造の保温体の上部にすべ
り止めが形成された変形防止用金属板を取り付けて、作
業者が保温体の上を歩行することが出来るようにした断
熱保温装置を提供することにある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a heat insulating body having a plurality of heat insulating structures divided into a plurality of parts around pipes and equipment in order to solve such a conventional problem. Another object of the present invention is to provide a heat insulating and warming device in which a metal plate for preventing deformation is attached so that an operator can walk on the warming body.

【０００７】[0007]

【課題を解決するための手段】上述の目的を達成するた
めに、本発明によれば、断熱保温装置は、断熱保温すべ
き配管や機器の外側に、軸方向および周方向に複数個に
分割された保温体を配置し、かつ該保温体の周方向接合
部の１つが配管の頂上部に位置するように配置し、前記
接合部の周方向両側に変形防止用金属板を取り付けて成
ることを特徴とする。According to the present invention, in order to achieve the above-mentioned object, an adiabatic heat insulating device is divided into a plurality of parts in the axial direction and the circumferential direction outside piping and equipment to be insulated and kept warm. The heat insulator is arranged so that one of the circumferential joints of the heat insulator is located at the top of the pipe, and metal plates for preventing deformation are attached to both sides of the joint in the circumferential direction. It is characterized by.

【０００８】また、本発明の断熱保温装置は、金属板の
幅が、配管や機器の頂上部に位置する保温体の周方向に
２００ｍｍ以上であることを特徴とする。[0008] Further, the heat insulation and heat insulation apparatus of the present invention is characterized in that the width of the metal plate is 200 mm or more in the circumferential direction of the heat insulation body located at the top of the pipe or equipment.

【０００９】更に、本発明の断熱保温装置は、金属板の
表面にすべり止め加工が施されたことを特徴とする。Further, the heat insulation and heat insulating apparatus of the present invention is characterized in that the surface of the metal plate is subjected to a non-slip process.

【００１０】[0010]

【発明の実施の形態】このように、本発明の断熱保温装
置は、断熱保温すべき円形の配管や角形の各種機器等の
周りに、複数個に分割された保温体を配置するに当た
り、保温体の外部からの応力に対する最強部である周方
向の接合部が配管の頂上部に位置するように配置し、こ
れら保温体の接合部をバックルのような連結部材で連結
すると共に、保温体の上部に幅が２００ｍｍ以上のすべ
り止めが形成された金属板を取り付けて成り、作業者の
保温体上の歩行の安全を確保することができ、保温体上
からの作業者の滑落を防止できる。該金属板はステンレ
ス鋼板、アルミニウム板、鉄板や他の金属材料から選ば
れると共に、金属板を取り付ける手段がリベットやねじ
止め、溶接等である。金属板としてアルミニウム板を使
用すれば、さらに配管の負担を低減できる。As described above, the adiabatic heat insulating apparatus of the present invention is used to arrange a plurality of heat insulators around a circular pipe or a variety of rectangular equipment to be insulated and heat-insulated. The joint in the circumferential direction, which is the strongest part against stress from the outside of the body, is arranged at the top of the pipe, and the joints of these heat insulators are connected by a connecting member such as a buckle. A metal plate having a non-slip with a width of 200 mm or more is attached to the upper portion, so that the worker can walk safely on the heat retaining body, and can prevent the worker from slipping off the heat retaining body. The metal plate is selected from a stainless steel plate, an aluminum plate, an iron plate and other metal materials, and the means for attaching the metal plate is a rivet, screwing, welding or the like. If an aluminum plate is used as the metal plate, the burden on the piping can be further reduced.

【００１１】本発明の他の目的と特徴および利点は以下
の添付図面に沿っての詳細な説明から明らかになろう。[0011] Other objects, features and advantages of the present invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

【００１２】[0012]

【実施例】図面は本発明の断熱保温装置の一実施例を示
すもので、図１は本発明の断熱保温装置を示す斜視図で
あり、図２は図１の断熱保温装置の端面図で、図３は図
１の断熱保温装置のバックル部分の平面拡大部分図であ
る。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of the present invention; FIG. 2 is an end view of the apparatus shown in FIG. FIG. 3 is an enlarged partial plan view of a buckle portion of the heat insulating and heat retaining apparatus of FIG.

【００１３】図１乃至図３に示されるように、本発明に
おける断熱保温装置１は、断熱被覆すべき配管Ａの大き
さに応じて複数個に分割された保温体２から構成されて
いる。図示されるように、保温体２は２分割された半円
筒形を成しており、金属薄板を層状に積層しケース状の
金属板で覆って成る金属保温材や、或いはロックウール
等の繊維質保温材またはシリカやケイ酸カルシウム（ケ
イカル）等の成形保温材を金属ケースで被覆して成る金
属被覆保温材等から作ることができるもので、図示実施
例では、保温体２は金属反射板のタイプのもので、外周
がステンレス鋼板の外皮４で被覆して作られている。金
属反射板のタイプのものは、アルミニウム合金、または
ステンレス製の反射板を特殊なスペーサーまやはエンボ
ス山形により一定の間隔を置いて取り付けて、幾層もの
エアースペースを設け、ステンレス製のエンドクロージ
ャーと、内外装板とで被覆された堅牢な構造をなしてい
る。As shown in FIGS. 1 to 3, the thermal insulation device 1 according to the present invention comprises a plurality of thermal insulators 2 divided according to the size of a pipe A to be thermally insulated. As shown in the figure, the heat insulator 2 has a semi-cylindrical shape divided into two parts, and a metal heat insulator formed by laminating thin metal plates in layers and covered with a case-like metal plate, or a fiber such as rock wool. It can be made of a heat insulating material or a metal-coated heat insulating material obtained by coating a metal case with a molded heat insulating material such as silica or calcium silicate (silical). In the illustrated embodiment, the heat insulating body 2 is a metal reflector. The outer periphery is covered with a stainless steel plate outer skin 4. For the metal reflector type, aluminum reflectors or stainless steel reflectors are attached at regular intervals by special spacers or embossed chevrons to provide multiple layers of air space, and a stainless steel end closure. , And has a robust structure covered with inner and outer panels.

【００１４】このような本発明における保温体２は、図
１、図２および図３に示されるように、配管Ａの頂上部
と底下部とに位置するように配置された保温体２の周方
向接合部に当板５とバックル６とが設けられていて、バ
ックル６の締着によって配管Ａの周囲に保温体２が装着
されるように成っており、更に、保温体２の外周面の適
当個所に取手７が設けられていて、取手７によって保温
体２を簡単に持ち運びできて取り扱い易いように作られ
ている。なお、取手７は「収納型取手」と一般的に呼ば
れる取手が良く、特にばね付の収納型トランク取手が好
適であり、このような取手は、持ち運び時以外は取手が
収納されるために作業者の足場となり難く、破損の恐れ
がない。更に、取手７は、必要に応じては、金属帯片や
帯板を折り曲げて取手を形成することができる。As shown in FIGS. 1, 2 and 3, the heat retaining body 2 according to the present invention is arranged around the top and bottom of the pipe A. The contact plate 5 and the buckle 6 are provided at the directional joint, and the heat retaining body 2 is mounted around the pipe A by fastening the buckle 6. A handle 7 is provided at an appropriate place, and the handle 7 is made so that the heat insulator 2 can be easily carried and handled. The handle 7 is preferably a handle generally called a "retractable handle". In particular, a retractable trunk handle with a spring is suitable. Such a handle is used for storing the handle except when carrying the handle. Hard to be used as a foothold for the elderly and there is no risk of damage. Further, the handle 7 can be formed by bending a metal strip or a strip if necessary.

【００１５】また、図示されるように、保温体２の内側
には、断面稲妻型に屈曲された板ばね８が設けられてい
て、断熱被覆する配管Ａに対して配管Ａの周りに所定の
間隔を置いて保温体２を取り付け保持できるように成っ
ている。Further, as shown in the figure, a leaf spring 8 bent in a lightning cross section is provided inside the heat retaining body 2, and a predetermined distance is provided around the pipe A with respect to the pipe A to be thermally insulated. The heat insulator 2 can be attached and held at intervals.

【００１６】このような保温体２において、特に、保温
体２の頂上部には、保温体２の形状により円弧状または
平板状の細長い金属板１０がリベット止めやねじ止め、
溶接、または接着等によって、例えば本例ではリベット
止めによって保温体２に取り付けられている。この金属
板１０はステンレス鋼板や鉄板、アルミニウム板、或い
は他の適宜な金属板から作られ、表面にすべり止めが形
成されたものが好適であり、例えばＪＩＳ用語で「しま
鋼板」と言われる模様板や、ブラスト加工や、或いはす
べり止め塗料が塗られた鋼鈑を用いることができる。ま
た、このような金属板１０は強度を向上し、かつ歩行者
が歩行する時の変形を防止するためにも十分な厚さを有
することが必要で、例えば約２〜３ｍｍ程度の厚さのス
テンレス鋼板またはアルミニウム板が良好であり、特
に、アルミニウムは軽量であるために好ましい。更に、
この金属板１０は作業者が歩行できるよう十分な幅Ｂを
有しており、このような幅Ｂは、配管にもよるが、約４
００〜８００ｍｍほどの範囲が好適であるが、これに限
定されるものではなく、適宜に選択できることが明らか
であろう。In such a heat insulator 2, an arc-shaped or flat elongated metal plate 10 according to the shape of the heat insulator 2 is riveted or screwed, especially on the top of the heat insulator 2.
It is attached to the heat retaining body 2 by welding or bonding, for example, by riveting in this example. The metal plate 10 is preferably made of a stainless steel plate, an iron plate, an aluminum plate, or another appropriate metal plate, and has a non-slip surface formed on its surface. For example, a pattern called "striped steel plate" in JIS terms A plate or a steel plate coated with a blasting or anti-slip paint can be used. In addition, such a metal plate 10 needs to have a sufficient thickness to improve strength and prevent deformation when a pedestrian walks, for example, a thickness of about 2 to 3 mm. A stainless steel plate or an aluminum plate is preferred, and aluminum is particularly preferred because of its light weight. Furthermore,
The metal plate 10 has a width B sufficient for a worker to walk, and such a width B is about 4
It is clear that a range of about 00 to 800 mm is suitable, but is not limited to this, and can be selected appropriately.

【００１７】このように構成された本発明の断熱保温装
置によれば、断熱被覆すべき配管Ａに対して、配管Ａの
周りに、２つ割りや４つ割り等の所要の大きさに複数個
に分割された保温体２を、周方向接合部が頂上部に位置
するように配管Ａの外周面に対して所定の間隔を置いて
配置し、これら保温体２相互の接合部をバックル６等の
連結部材によって連結することによって配管Ａを良好に
断熱被覆することができ、保温体２の頂上部に所要の幅
の金属板１０がリベットやねじ止め、或いは溶接等によ
って保温体２に取り付けられていることによって、保温
体２の上部に作業者が歩行できる通路が金属板１０によ
って形成されるので、配管や機器の共用期間中検査や、
交換または修理したり、点検や或いは洗浄する際に、作
業者が金属板１０の上を自由に移動できて滑落や転落の
危険が無くなり、直接に保温体２の外皮４の上に乗るこ
とがないので外皮４の損傷を大いに低減することができ
ると共に、外観上においても見た目が良くなり、分割さ
れた保温体２を取手７を持って簡単かつ容易に取扱うこ
とができて作業を迅速に行うことができ、収納型の取手
７を使用した場合には取手７自体も平面的になって邪魔
にならない等の効果を奏することができる。According to the adiabatic heat insulating apparatus of the present invention configured as described above, the pipe A to be thermally insulated is provided with a plurality of pipes around the pipe A in a required size such as two or four. The heat insulator 2 divided into pieces is arranged at a predetermined interval with respect to the outer peripheral surface of the pipe A so that the circumferential joint is located at the top, and the joint between the heat insulators 2 is buckled. The pipe A can be covered with heat insulation by swelling, screwing, welding, or the like, and a metal plate 10 having a required width is attached to the top of the heat insulating body 2 by connecting with a connecting member such as. Since the passage through which the worker can walk is formed by the metal plate 10 in the upper part of the heat retaining body 2 due to the inspection, the inspection during the common use period of the piping and the equipment,
When replacing or repairing, inspecting, or cleaning, the worker can move freely on the metal plate 10 and there is no danger of slipping or falling down, and the operator can directly ride on the outer cover 4 of the heat insulator 2. Since it is not necessary, damage to the outer cover 4 can be greatly reduced, and the appearance can be improved, and the divided heat retaining body 2 can be handled easily and easily with the handle 7 so that work can be performed quickly. When the storage-type handle 7 is used, it is possible to obtain an effect that the handle 7 itself is flat and does not interfere.

【００１８】[0018]

【発明の効果】本発明の請求項１記載の断熱保温装置
は、断熱保温すべき配管や機器の外側に、軸方向および
周方向に複数個に分割された保温体を配置し、かつ該保
温体の周方向接合部の１つが配管の頂上部に位置するよ
うに配置し、前記接合部の周方向両側に変形防止用金属
板を取り付けて成るので、作業時における作業者の保温
体上からの滑落を防止することができると共に、作業者
の保温体上の歩行の安全を達成することができる。According to the first aspect of the present invention, there is provided an adiabatic heat insulating apparatus, wherein a plurality of heat insulating bodies divided axially and circumferentially are arranged outside pipes and equipment to be thermally insulated and heat-insulated. One of the joints in the circumferential direction of the body is arranged so as to be located at the top of the pipe, and metal plates for preventing deformation are attached to both sides in the circumferential direction of the joint. Can be prevented from falling down, and the worker can walk safely on the heat retaining body.

【００１９】本発明の請求項２記載の断熱保温装置は、
前記金属板の幅が、配管や機器の上部に位置する保温体
の周方向に２００ｍｍ以上であるので、作業者が楽に歩
行できる安全な歩行幅を得ることができる。According to the second aspect of the present invention,
Since the width of the metal plate is 200 mm or more in the circumferential direction of the heat retaining body located above the pipes and devices, a safe walking width that allows the worker to easily walk can be obtained.

【００２０】本発明の請求項３記載の断熱保温装置は、
前記金属板の表面にすべり止め加工が施されているの
で、作業者の歩行の安全を確保して作業者の滑落を防止
することができる。According to the third aspect of the present invention, there is provided an adiabatic heat insulating device.
Since the surface of the metal plate is subjected to a non-slip process, it is possible to secure the walking safety of the worker and prevent the worker from slipping down.

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

【図１】本発明の断熱保温装置を示す斜視図である。FIG. 1 is a perspective view showing an adiabatic heat retaining device of the present invention.

【図２】図１の断熱保温装置の端面図である。FIG. 2 is an end view of the heat insulating and warming device of FIG. 1;

【図３】図１の断熱保温装置のバックル部分の平面拡大
部分図である。FIG. 3 is an enlarged partial plan view of a buckle portion of the heat insulating and heat retaining apparatus of FIG. 1;

【符号の説明】[Explanation of symbols]

１ 断熱保温装置 ２ 保温体 ４ 外皮 ５ 当板 ６ バックル ７ 取手 ８ 板ばね １０ 金属板 Ａ 配管 DESCRIPTION OF SYMBOLS 1 Insulated heat insulating device 2 Heat insulating body 4 Outer skin 5 This plate 6 Buckle 7 Handle 8 Leaf spring 10 Metal plate A Piping

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 断熱保温すべき配管や機器の外側に、軸
方向および周方向に複数個に分割された保温体を配置
し、かつ該保温体の周方向接合部の１つが配管の頂上部
に位置するように配置し、前記接合部の周方向両側に変
形防止用金属板を取り付けて成ることを特徴とする断熱
保温装置。1. A heat insulator divided into a plurality of pieces in an axial direction and a circumferential direction is arranged outside a pipe or a device to be insulated and heat-insulated, and one of the circumferential joints of the heat insulator is a top portion of the pipe. And a metal plate for preventing deformation attached to both sides in the circumferential direction of the joint. 【請求項２】 前記金属板の幅が、配管や機器の頂上部
に位置する保温体の周方向に２００ｍｍ以上であること
を特徴とする請求項１記載の断熱保温装置。2. The thermal insulation device according to claim 1, wherein the width of the metal plate is 200 mm or more in the circumferential direction of the heat retaining body located at the top of the pipe or the equipment. 【請求項３】 前記金属板の表面にすべり止め加工が施
されたことを特徴とする請求項１または２記載の断熱保
温装置。3. The thermal insulation device according to claim 1, wherein a non-slip process is performed on a surface of the metal plate.
JP20645598A 1998-07-22 1998-07-22 Thermal insulation device Expired - Lifetime JP4195126B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20645598A JP4195126B2 (en) 1998-07-22 1998-07-22 Thermal insulation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20645598A JP4195126B2 (en) 1998-07-22 1998-07-22 Thermal insulation device

Publications (2)

Publication Number Publication Date
JP2000035192A true JP2000035192A (en) 2000-02-02
JP4195126B2 JP4195126B2 (en) 2008-12-10

Family

ID=16523672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20645598A Expired - Lifetime JP4195126B2 (en) 1998-07-22 1998-07-22 Thermal insulation device

Country Status (1)

Country Link
JP (1) JP4195126B2 (en)

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KR100990743B1 (en) 2008-07-01 2010-10-29 강홍구 Apparatus for maintaining temperature of gas tank
JP2012508353A (en) * 2008-11-12 2012-04-05 アールダブルイー パワー アクチエンゲゼルシャフト Insulation cartridge
JP2012247066A (en) * 2012-08-29 2012-12-13 A & A Material Corp Heat insulation and heat retention method for piping installation in nuclear power plant
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CN107486810A (en) * 2017-10-15 2017-12-19 冯建娟 Electric wrench inner hexagon spanner
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* Cited by examiner, † Cited by third party
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KR101419577B1 (en) * 2007-12-21 2014-07-14 가부시키가이샤 도쿄 기쥬츠 켄큐쇼 Heater for pipe
KR100990743B1 (en) 2008-07-01 2010-10-29 강홍구 Apparatus for maintaining temperature of gas tank
JP2012508353A (en) * 2008-11-12 2012-04-05 アールダブルイー パワー アクチエンゲゼルシャフト Insulation cartridge
JP2012247066A (en) * 2012-08-29 2012-12-13 A & A Material Corp Heat insulation and heat retention method for piping installation in nuclear power plant
CN107571185A (en) * 2017-10-15 2018-01-12 冯建娟 Combined type internal hexagonal wrench
CN107553383A (en) * 2017-10-15 2018-01-09 冯建娟 Electric wrench sleeve
CN107486810A (en) * 2017-10-15 2017-12-19 冯建娟 Electric wrench inner hexagon spanner
CN107738217A (en) * 2017-10-15 2018-02-27 冯建娟 Combined sleeve
CN107571185B (en) * 2017-10-15 2018-12-18 绍兴市华锐汽车零部件有限公司 Combined type internal hexagonal wrench
CN107486810B (en) * 2017-10-15 2019-01-18 浙江德世电器有限公司 Electric wrench allen wrench
CN115143345A (en) * 2022-05-13 2022-10-04 安徽工业大学 Nuclear power station loop pipeline detachable heat-preservation shielding integrated device and using method
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CN115091124A (en) * 2022-06-16 2022-09-23 福建省中能泰丰节能环保科技有限公司 Forming process of heat preservation module with single-side metal protection
CN115091124B (en) * 2022-06-16 2023-12-22 福建省中能泰丰节能环保科技有限公司 Forming process of single-sided metal-protected heat-insulation module
KR102659100B1 (en) * 2023-08-08 2024-04-22 김국수 Insulation device for pipe with improved structural strength

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