JPS6128679A - Attachment of roof of double shell cylindrical tank - Google Patents
Attachment of roof of double shell cylindrical tankInfo
- Publication number
- JPS6128679A JPS6128679A JP14862984A JP14862984A JPS6128679A JP S6128679 A JPS6128679 A JP S6128679A JP 14862984 A JP14862984 A JP 14862984A JP 14862984 A JP14862984 A JP 14862984A JP S6128679 A JPS6128679 A JP S6128679A
- Authority
- JP
- Japan
- Prior art keywords
- roof
- tank
- outer tank
- composite
- inner tank
- 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.)
- Pending
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
「産業上の利用分野」
この発明は二重殻円筒形タンクの屋根の取付方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a method for attaching the roof of a double-shelled cylindrical tank.
［従来の技術Ｊ
従米土殻の二重殻円筒形タンクの屋根取付方法は、外Ｗ
ｇ屋根と内槽屋根とを、例えばターンバックルを中間に
具備する吊り兵の様な上下装置を介して一体化し、外槽
側板の完成後にこの内外槽合成屋根を空気浮上させて外
槽屋根と外相側板とを固定し、内槽屋根の取付の際に、
前記上下装置によって内槽屋根を内相側板の取付位置ま
で降下させて固定している。[Conventional technology J The method for attaching the roof of a double-shell cylindrical tank made of clay shell is
g. The roof and the inner tank roof are integrated through a vertical device such as a hanger with a turnbuckle in the middle, and after the outer tank side panels are completed, this combined inner and outer tank roof is air-floated to form the outer tank roof. Fix the outer side plate and when installing the inner tank roof,
The inner tank roof is lowered and fixed to the attachment position of the inner phase side plate by the above-mentioned up-and-down device.
しかしながら、この様な従来の屋根取付方法においては
、外槽屋根と外槽側板との固定は最初から溶接により行
われるので、雨が降っている場合等には溶接作業が非常
に困難となり、取付けできなくなる。また、内相屋根と
外槽屋根との間の間隔が変化するので、内槽屋根と外槽
屋根を貫通して設けられるノズルを地上で取り付けるこ
とができず、内外ＷＩ屋根の設置後に高所にてその取付
作業を行わなければならない。更に、内Ｗ１屋根だけを
降下させると吊り点に偏荷重が生じて屋根に変形を起こ
しやすい。更にまた、外槽屋根を取付後に、外槽屋根と
内槽屋根の間の狭い間隙で内槽屋根の鴇下作業を行わな
ければならない。また、換気、照明或はタンク内外の連
絡等の便が悪い等、多くの欠点を有している。However, in such conventional roof installation methods, the outer tank roof and the outer tank side panels are fixed from the beginning by welding, which makes welding work extremely difficult when it is raining, making installation difficult. become unable. In addition, because the distance between the inner and outer roofs changes, the nozzle that penetrates the inner and outer tank roofs cannot be installed on the ground, and after installing the inner and outer WI roofs, The installation work must be carried out at Furthermore, if only the inner W1 roof is lowered, an uneven load will be generated at the hanging point, which will easily cause the roof to deform. Furthermore, after the outer tank roof is installed, the work of lowering the inner tank roof must be carried out in a narrow gap between the outer tank roof and the inner tank roof. In addition, it has many drawbacks, such as poor ventilation, lighting, and poor communication between the inside and outside of the tank.
「発明の目的」
従って、この発明の目的はこの様な従来における欠点を
除去し、作業効率の良い、安全性の高い二重殻円筒形タ
ンクの屋根取付方法を提供することにある。``Object of the Invention'' Therefore, the object of the present invention is to eliminate such conventional drawbacks and to provide a method for attaching the roof of a double-shelled cylindrical tank that is highly efficient and safe.
「発明の桶成」
この発明によれば、二重殻円筒形タンクの屋根取（＝１
方法は、二重殻円筒形タンクの組立において、一体に組
み合わされた外槽屋根と内槽屋根の合成屋根を、外槽屋
根が所定の取付位ｆ（’ｔよりも」；方に位置するまで
空気浮上させ、上下装置を具備する仮止め具により外槽
屋根を仮止めし、内槽側′板の完成後に、外槽屋根と内
槽屋根を外槽側板と内槽側板の夫々の取付位置に達する
まで合成屋根を前記上下装置により降下させることから
桶成されている。"Inventive construction" According to this invention, the roof of a double-shelled cylindrical tank (=1
The method involves assembling a double-shell cylindrical tank by constructing a composite roof consisting of an outer tank roof and an inner tank roof, which are combined into one, with the outer tank roof positioned at a predetermined mounting position f('t'). After the inner tank side plate is completed, the outer tank roof and the inner tank roof are attached to the outer tank side plate and the inner tank side plate, respectively. The structure is constructed by lowering the composite roof by means of the lowering and lowering device until the position is reached.
この発明の他の目的や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。Other objects, features and advantages of the invention will become apparent from the detailed description below, taken in conjunction with the accompanying drawings.
「発明の実施例」
図面の第１乃至３図にはこの発明に従った二重殻円筒形
タンクの屋根取付方法の一実施例が施工順序に従って示
されている。この発明の屋根取付方法によれば、先ず外
槽底板上で内槽屋根１と外槽屋根２を組み合わぜた合成
屋根３を作る。この際に、第１図に明示される様に、外
槽屋根２の外周の屋根骨下面に取り付けられている仮屋
根４上に垂直」１方に延びるボルト５を円周方向に適宜
な間隔で設けておく。また、外槽側板６の上部のトップ
アングルまたはコンプレッションリング７に、前記ボル
ト５の各々に対応する孔８を設け、更に答礼８の上に支
持台９を仮設する。こうして、外槽側板６と合成屋根３
が完成したならば、合成屋根３の下側に圧縮空気を供給
して合成屋根３を浮上させる。合成屋根３が外相側板６
の最上部まで上昇すると、各ボルト５が対応する孔８に
挿通され、仮屋根４がコンプレッションリング７の下面
に接する。この位置で、第２図の如くボルト５にナツト
１０を取り付けて合成屋根３を、仮止めする。``Embodiment of the Invention'' FIGS. 1 to 3 of the drawings show an embodiment of the method for attaching the roof of a double-shelled cylindrical tank according to the present invention in accordance with the construction order. According to the roof attachment method of the present invention, first, a composite roof 3 is made by combining the inner tank roof 1 and the outer tank roof 2 on the outer tank bottom plate. At this time, as clearly shown in FIG. Set it up. In addition, holes 8 corresponding to each of the bolts 5 are provided in the top angle or compression ring 7 of the upper part of the outer tank side plate 6, and a support stand 9 is temporarily installed on the support plate 8. In this way, the outer tank side plate 6 and the composite roof 3
Once completed, compressed air is supplied to the underside of the composite roof 3 to float the composite roof 3. Composite roof 3 is external side plate 6
When raised to the top, each bolt 5 is inserted into a corresponding hole 8, and the temporary roof 4 contacts the lower surface of the compression ring 7. At this position, nuts 10 are attached to bolts 5 as shown in FIG. 2 to temporarily fix the composite roof 3.
この時、外１０ Ｍ ４Ｍ ２は通常取伺位置より′も
−に方にあり、コンプレッション”リング７と外槽屋根
２との間から、換気や照明、或はタンク内外間の連絡路
を得ることができる。次いで、外槽屋根２の外ＪＩＩＳ
に、コンプレッションリング７と屋根の水平方向の間隙
を覆うために屋根板１１や覆板を取り付ける。これによ
って、雨水がタンク内部に侵入するのを防止することが
できる。この状態において、タンク内で内′ｍ底板や内
槽側板１２等の組立を１テラ。At this time, the outside 10M 4M 2 is located further away than the normal pickup position, and ventilation, lighting, or a communication path between the inside and outside of the tank can be obtained from between the compression ring 7 and the outside tank roof 2. Next, the outside JIIS of the outer tank roof 2
A roof plate 11 or cover plate is attached to cover the horizontal gap between the compression ring 7 and the roof. This can prevent rainwater from entering the tank. In this state, assemble the inner bottom plate, inner tank side plate 12, etc. in the tank for 1 tera.
内相側板１２が完成したならば、仮止めのナツト１０を
順次ゆるめて、内槽用１１と外槽屋根２の夫々の所定取
付位置まで合成屋根３を降下させる。そして最後に、外
槽屋根１と内槽屋根２を取付位置に適宜固定し、コンプ
レッションリング７上の孔８を溶接等により閉じて、屋
根取付作業を終了する（第３図）。When the inner tank side plate 12 is completed, the temporary nuts 10 are loosened one after another, and the composite roof 3 is lowered to the predetermined mounting positions of the inner tank roof 11 and the outer tank roof 2, respectively. Finally, the outer tank roof 1 and the inner tank roof 2 are appropriately fixed at the mounting positions, and the hole 8 on the compression ring 7 is closed by welding or the like, thereby completing the roof installation work (FIG. 3).
この実施例においては、合成屋根３の仮止めおよび降下
は、ナツト１０とボルト５の組合せＩ貴よって行なわれ
るが、ジヤツキ等の上下装置を用いても同様に実施する
ことができる。In this embodiment, the temporary fixing and lowering of the composite roof 3 is carried out by the combination I of nuts 10 and bolts 5, but it can also be carried out in the same way by using a lifting device such as a jack.
「発明の効果」
この様に、この発明によれば、合成屋根における外槽屋
根をその所定取付位置よりも高くなるようにして仮止め
し、そこに生ずる間隙により、換気や照明、或はまたタ
ンク内外間の連絡路を得ることができる。また、従来で
は外槽屋根を外槽側板に固定するには初めから溶接によ
っているが、この発明の取付方法では、先ずボルドーナ
ツト等の上下装置により支持し、従って不意の雨による
溶接不良の恐れはまったくない。また、タンク屋根上の
上下装置を操作して、合成屋根を所要の位置に配置する
ことができ、従来の様に内槽と外槽の間の狭い場所で屋
根降下作業を行う必要がな１１゜更に、合成屋根を一体
に浮上および降下させることから、内槽と外槽の屋根を
貫通して取り付けられるノズル類を、合成屋根組立時に
同時に取り付けることができ、作業も容易で安全である
。また、屋根を一体化すると、屋根浮上・降下時の屋根
の変形が少なく、この結果、タンク自体の性能の向上を
図ることができる。この様に、この発明の二重穀円箭形
タンクの屋根取付方法は多くの利点を有している。"Effects of the Invention" As described above, according to the present invention, the outer tank roof of a composite roof is temporarily fixed at a height higher than its predetermined installation position, and the gap created there is used for ventilation, lighting, or A communication path between the inside and outside of the tank can be obtained. In addition, conventionally, the outer tank roof is fixed to the outer tank side plate by welding from the beginning, but in the mounting method of this invention, it is first supported by a vertical device such as a bolt donut, so there is a risk of welding failure due to unexpected rain. Not at all. In addition, the synthetic roof can be placed in the desired position by operating the up/down device on the tank roof, eliminating the need to lower the roof in the narrow space between the inner tank and the outer tank as in the past. Furthermore, since the composite roof is floated and lowered as one unit, nozzles that can be installed through the roofs of the inner tank and the outer tank can be installed at the same time when the composite roof is assembled, making the work easier and safer. Furthermore, when the roof is integrated, there is less deformation of the roof when the roof rises and falls, and as a result, the performance of the tank itself can be improved. As described above, the method of roofing a double grain tank of the present invention has many advantages.
第１乃至３図はこの発明に従った二重殻円筒形タンクの
屋根数イ」方法の一実施例が施工順序に従って示されで
おり、第１図は空気浮上中の合成屋根を示す部分概略説
明図、第２図は合成屋根を仮止めした状態を示す部分概
略説明図、第３図は屋根取付完了状態を示す部分概略説
明図である。図中、１：内槽屋根、２：外槽屋根、３：
合成屋根、４：仮屋根、５：ボルＦ、６：外槽側板、７
：コンプレッションリング、８：孔、９：支持台、１０
：ナツト、１１：屋根板、１２：内槽側板。1 to 3 show an embodiment of the method for constructing a double-shelled cylindrical tank according to the construction order according to the present invention, and FIG. 1 is a partial schematic diagram showing a composite roof during air levitation. The explanatory drawings, FIG. 2 are partially schematic explanatory views showing a state in which the synthetic roof is temporarily fixed, and FIG. 3 is a partially schematic explanatory view showing a state in which the roof installation is completed. In the diagram, 1: Inner tank roof, 2: Outer tank roof, 3:
Composite roof, 4: Temporary roof, 5: Bol F, 6: Outer tank side plate, 7
: Compression ring, 8: Hole, 9: Support stand, 10
: Nut, 11: Roof plate, 12: Inner tank side plate.
Claims (1)
れた外槽屋根と内槽屋根の合成屋根を、外槽屋根が所定
の取付位置よりも上方に位置するまで空気浮上させ、上
下装置を具備する仮止め具により外槽屋根を仮止めし、
内槽側板の完成後に、外槽屋根と内槽屋根を外槽側板と
内槽側板の夫々の取付位置に達するまで該合成屋根を該
上下装置により降下させることから成る二重殻円筒形タ
ンクの屋根取付方法。When assembling a double-shelled cylindrical tank, the composite roof of the outer tank roof and inner tank roof, which are combined together, is air-levited until the outer tank roof is positioned above the predetermined installation position, and a lifting device is installed. Temporarily fasten the outer tank roof with the temporary fasteners.
After the inner tank side panels are completed, the composite roof is lowered by the vertical device until the outer tank roof and the inner tank roof reach the attachment positions of the outer tank side panels and the inner tank side panels, respectively. Roof installation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14862984A JPS6128679A (en) | 1984-07-19 | 1984-07-19 | Attachment of roof of double shell cylindrical tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14862984A JPS6128679A (en) | 1984-07-19 | 1984-07-19 | Attachment of roof of double shell cylindrical tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6128679A true JPS6128679A (en) | 1986-02-08 |
Family
ID=15457058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14862984A Pending JPS6128679A (en) | 1984-07-19 | 1984-07-19 | Attachment of roof of double shell cylindrical tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6128679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915516A (en) * | 1987-07-24 | 1990-04-10 | Hitachi, Ltd. | Thermal transfer recording apparatus with ink paper cassette |
-
1984
- 1984-07-19 JP JP14862984A patent/JPS6128679A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915516A (en) * | 1987-07-24 | 1990-04-10 | Hitachi, Ltd. | Thermal transfer recording apparatus with ink paper cassette |
| USRE34521E (en) * | 1987-07-24 | 1994-01-25 | Hitachi, Ltd. | Thermal transfer recording apparatus with ink paper cassette |
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