JP2810326B2 - Equipment to prevent freezing of the ground around cryogenic storage - Google Patents
Equipment to prevent freezing of the ground around cryogenic storageInfo
- Publication number
- JP2810326B2 JP2810326B2 JP18085094A JP18085094A JP2810326B2 JP 2810326 B2 JP2810326 B2 JP 2810326B2 JP 18085094 A JP18085094 A JP 18085094A JP 18085094 A JP18085094 A JP 18085094A JP 2810326 B2 JP2810326 B2 JP 2810326B2
- Authority
- JP
- Japan
- Prior art keywords
- ground
- cryogenic storage
- heating element
- concrete
- equipment
- 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
- Central Heating Systems (AREA)
Description
【０００１】[0001]
【産業上の利用分野】 本発明は、極低温貯蔵庫の周辺
地盤の凍結防止設備に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facility for preventing freezing of the ground around a cryogenic storage.
【０００２】[0002]
【従来の技術】一般に、極低温貯蔵庫を地上又は地下に
構築すると、地盤が凍結、凍上し、重大な事故が発生す
ることが予想される。このため、従来、極低温貯蔵庫の
周囲に保温設備を設け、地盤の凍結、凍上を防止してい
た。2. Description of the Related Art Generally, when a cryogenic storage is constructed on the ground or underground, the ground freezes and freezes up, and a serious accident is expected to occur. For this reason, conventionally, a heat insulation facility was provided around the cryogenic storage to prevent freezing and frost heaving of the ground.
【０００３】図２は、極低温貯蔵庫１０３と地盤１０１
との間に、電熱線又は温水パイプからなる凍結防止用ヒ
ータ１１３を設けたものである。極低温貯蔵庫１０３
は、スラブ１０５、柱１０７、側壁コンクリート１０
９、底版コンクリート１１１を有する。そして、凍結防
止用ヒータ１１３を発熱させ、地盤１０１の凍結を防止
する。FIG. 2 shows a cryogenic storage 103 and a ground 101.
, An anti-freezing heater 113 comprising a heating wire or a hot water pipe is provided. Cryogenic storage 103
Is slab 105, pillar 107, side wall concrete 10
9. It has bottom slab concrete 111. Then, the anti-freezing heater 113 is heated to prevent the ground 101 from freezing.
【０００４】また、図３に示すように、空気層を用いて
凍結を防止することもある。図３に示す極低温貯蔵庫２
０３は、スラブ２０５、柱２０７、側壁コンクリート２
０９、底版コンクリート２１１を有する。底版コンクリ
ート２１１は、地上部に設けられ、底版コンクリート２
１１と地表２０１との間には柱２０７が設けられ、最下
層部２１３には空気が流れ、最下層部２１３の空気層に
よって断熱層が形成され、極低温貯蔵庫２０３の冷熱が
地表２０１に伝達されることが防止される。[0004] Further, as shown in FIG. 3, an air layer may be used to prevent freezing. Cryogenic storage 2 shown in FIG.
03 is slab 205, pillar 207, side wall concrete 2
09, the bottom slab concrete 211 is provided. The bottom slab concrete 211 is provided on the ground, and the bottom slab concrete 2 is provided.
A pillar 207 is provided between the ground surface 11 and the ground surface 201, air flows through the lowermost layer portion 213, an adiabatic layer is formed by the air layer of the lowermost layer portion 213, and the cold heat of the cryogenic storage 203 is transmitted to the ground surface 201. Is prevented.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、凍結防
止用ヒータ１１３として、電熱線を用いる場合、断線又
は漏電の恐れがあり、ランニングコストが高騰するとい
う問題があった。また、凍結防止用ヒータ１１３とし
て、温水パイプを用いる場合、温水を流すための設備を
要し、漏水の恐れがあり、パイプの錆、劣化等に配慮し
なければならず、メンテナンス上問題があった。However, when a heating wire is used as the anti-freezing heater 113, there is a risk of disconnection or electric leakage, and there is a problem that the running cost rises. When a hot water pipe is used as the anti-freezing heater 113, a facility for flowing hot water is required, and there is a risk of water leakage, and rust and deterioration of the pipe must be taken into consideration. Was.
【０００６】また、図３に示すように、空気層によって
断熱する場合、無駄な空間を許容しなくてはならないと
いう問題があった。Further, as shown in FIG. 3, there is a problem that when heat is insulated by an air layer, a useless space must be allowed.
【０００７】本発明は、このような問題に鑑みてなされ
たものであり、その目的とするところは、施工及びメン
テナンスが容易であり、ランニングコストも低廉な極低
温貯蔵庫の周辺地盤の凍結防止設備を提供することにあ
る。[0007] The present invention has been made in view of such problems, and an object of the present invention is to prevent freezing of the ground around a cryogenic storage, which is easy to perform and maintain and has low running costs. Is to provide.
【０００８】[0008]
【課題を解決するための手段】 前述した目的を達成す
るために本発明は、極低温貯蔵庫の下方の一部が地盤内
に設けられ、通電することにより発熱する面状発熱体
を、前記極低温貯蔵庫の周辺の地盤内に設けることを特
徴とする極低温貯蔵庫の周辺地盤の凍結防止設備であ
る。また、第２の発明は、側壁コンクリートと底版コン
クリートを有する極低温貯蔵庫の下方の一部が地盤内に
設けられ、通電することにより発熱する面状発熱体を、
前記側壁コンクリートと底版コンクリートが地盤と接す
る外面または内部に設けることを特徴とする極低温貯蔵
庫の周辺地盤の凍結防止設備である。Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides a planar heating element in which a part below a cryogenic storage is provided in the ground and which generates heat when energized. This is a facility for preventing freezing of the ground around a cryogenic storage, which is provided in the ground around the low-temperature storage. Further, a second invention provides a planar heating element in which a part below a cryogenic storage having side wall concrete and bottom slab concrete is provided in the ground, and generates heat when energized,
The above-mentioned side wall concrete and bottom slab concrete are provided on an outer surface or an inner side in contact with the ground.
【０００９】[0009]
【作用】本発明では、極低温貯蔵庫と地盤との間に設け
られた面状発熱体を発熱させ、地盤の凍結を防止する。According to the present invention, the planar heating element provided between the cryogenic storage and the ground generates heat to prevent the ground from freezing.
【００１０】[0010]
【実施例】以下、図面に基づいて本発明の実施例を詳細
に説明する。図１は、本発明の１実施例に係る極低温貯
蔵庫の要部拡大概略図である。地盤１に極低温貯蔵庫３
が設けられる。極低温貯蔵庫３は、スラブ５、柱７、側
壁コンクリート９、底版コンクリート１１を有し、極低
温貯蔵庫３の下部が地盤１内に設けられる。そして、地
盤１内の底版コンクリート１１の下方及び側壁コンクリ
ート９の側方に面状発熱体１３が埋設される。なお、面
状発熱体１３は、底版コンクリート１１、側壁コンクリ
ート９内に埋設または貼り付けられてもよい。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an enlarged schematic view of a main part of a cryogenic storage according to one embodiment of the present invention. Cryogenic storage 3 on the ground 1
Is provided. The cryogenic storage 3 has slabs 5, columns 7, side wall concrete 9, and bottom slab concrete 11, and a lower portion of the cryogenic storage 3 is provided in the ground 1. Then, the planar heating element 13 is embedded below the bottom slab concrete 11 in the ground 1 and beside the side wall concrete 9. The planar heating element 13 may be buried or attached in the bottom slab concrete 11 and the side wall concrete 9.
【００１１】面状発熱体１３は、面状の発熱層の両面に
防水シートを設けたものである。発熱層は、リード線を
介して電流が供給され、発熱する。この面状発熱体１３
は、シート状であり、柔軟性に富み、任意の位置で切断
しても、発熱を行う。The sheet heating element 13 is provided with waterproof sheets on both sides of a sheet heating layer. An electric current is supplied to the heat generating layer through a lead wire, and the heat generating layer generates heat. This planar heating element 13
Has a sheet-like shape, is highly flexible, and generates heat even when cut at any position.
【００１２】面状発熱体１３は、電気を通電することに
よって発熱する。面状発熱体１３の近傍の温度を測定
し、面状発熱体１３の発熱量を制御し、自動的に一定温
度に保つ。The planar heating element 13 generates heat when electricity is supplied. The temperature in the vicinity of the sheet heating element 13 is measured, the amount of heat generated by the sheet heating element 13 is controlled, and the temperature is automatically maintained at a constant value.
【００１３】面状発熱体１３は、シート状であり、柔軟
性に富んでおり、施工が簡単であり、任意の部分で切断
しても発熱を行うので、配管等が存在しても現場で容易
に施工できる。また、面状発熱体１３は特別のメンテナ
ンスを必要とせず、ランニングコストを低くすることが
できる。The sheet heating element 13 is sheet-like, highly flexible, easy to construct, and generates heat even when cut at an arbitrary portion. Can be easily constructed. Further, the sheet heating element 13 does not require special maintenance, and can reduce running costs.
【００１４】[0014]
【発明の効果】 以上、詳細に説明したように本発明に
よれば、施工及びメンテナンスが容易であり、ランニン
グコストも低廉な極低温貯蔵庫の周辺地盤の凍結防止設
備を提供することができる。As described above in detail, according to the present invention, it is possible to provide a facility for preventing freezing of the ground around a cryogenic storage which is easy to perform and maintain and has a low running cost.
【図１】 本発明の１実施例に係る極低温貯蔵庫の要部
拡大概略構成図FIG. 1 is an enlarged schematic configuration diagram of a main part of a cryogenic storage according to one embodiment of the present invention.
【図２】 従来の極低温貯蔵庫の要部拡大概略構成図FIG. 2 is an enlarged schematic configuration view of a main part of a conventional cryogenic storage.
【図３】 従来の極低温貯蔵庫の要部拡大概略構成図FIG. 3 is an enlarged schematic configuration view of a main part of a conventional cryogenic storage.
１………地盤 ３………極低温貯蔵庫 ５………スラブ ７………柱 ９………側壁コンクリート １１………底版コンクリート １３………面状発熱体 DESCRIPTION OF SYMBOLS 1 ... Ground 3 ... Cryogenic storage 5 ... Slab 7 ... Pillar 9 ... Side wall concrete 11 ... Bottom concrete 13 ... Planar heating element
Claims (2)
けられ、 通電することにより発熱する面状発熱体を、前記極低温
貯蔵庫の周辺の地盤内に設けることを特徴とする極低温
貯蔵庫の周辺地盤の凍結防止設備。 (1) A part below the cryogenic storage is installed in the ground.
The planar heating element that generates heat when energized
Very low temperature characterized by being installed in the ground around storage
Equipment to prevent freezing of the ground around storage.
有する極低温貯蔵庫の下方の一部が地盤内に設けられ、 通電することにより発熱する面状発熱体を、前記側壁コ
ンクリートと底版コンクリートが地盤と接する外面また
は内部に設けることを特徴とする極低温貯蔵庫の周辺地
盤の凍結防止設備。 (2) The side wall concrete and the bottom slab concrete are used.
A part of the lower part of the cryogenic storage is provided in the ground, and a planar heating element that generates heat when energized is connected to the side wall cover.
When the concrete and bottom slab concrete contact the ground,
Is the area around the cryogenic storage, which is provided inside.
Panel freezing prevention equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18085094A JP2810326B2 (en) | 1994-07-09 | 1994-07-09 | Equipment to prevent freezing of the ground around cryogenic storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18085094A JP2810326B2 (en) | 1994-07-09 | 1994-07-09 | Equipment to prevent freezing of the ground around cryogenic storage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0821122A JPH0821122A (en) | 1996-01-23 |
| JP2810326B2 true JP2810326B2 (en) | 1998-10-15 |
Family
ID=16090460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18085094A Expired - Lifetime JP2810326B2 (en) | 1994-07-09 | 1994-07-09 | Equipment to prevent freezing of the ground around cryogenic storage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2810326B2 (en) |
-
1994
- 1994-07-09 JP JP18085094A patent/JP2810326B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0821122A (en) | 1996-01-23 |
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