JPH02233392A - Replacement of annular plate of tank - Google Patents
Replacement of annular plate of tankInfo
- Publication number
- JPH02233392A JPH02233392A JP1043812A JP4381289A JPH02233392A JP H02233392 A JPH02233392 A JP H02233392A JP 1043812 A JP1043812 A JP 1043812A JP 4381289 A JP4381289 A JP 4381289A JP H02233392 A JPH02233392 A JP H02233392A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- annular plate
- tank
- new
- annular
- 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
Links
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 28
- 238000010276 construction Methods 0.000 abstract description 16
- 241001274216 Naso Species 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、重油等のタンクの環状底板（以下、アニュラ
ープレーＩ・という）の取り替え方法に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for replacing an annular bottom plate (hereinafter referred to as annular play I) of a tank for heavy oil, etc.
重油等のタンクは複数の板体を環状に溶接してなるアニ
ュラープレートに側板を立設し、該アニュラープレート
に連接される底板の中央等に配置された支柱によって屋
根板を支持して構成されている。Tanks for heavy oil, etc. are constructed by having a side plate erected on an annular plate made by welding a plurality of plates into an annular shape, and a roof plate supported by a support placed at the center of the bottom plate connected to the annular plate. ing.
そして、上記タンクにおいては、タンクの腐蝕は側板を
支持するアニュラープレートの部分に多く生じるので、
このアニュラープレートを適当な時期に取り替える必要
がある。In the tank mentioned above, most corrosion of the tank occurs in the annular plate that supports the side plate.
It is necessary to replace this annular plate at an appropriate time.
従来、このアニュラープレートの取り替えは、タンクの
底板からアニュラープレートの部分を切り離した後、底
板の下部を２０〜２５ｍｍ程度切り込んで新アニュラー
プレートを挿入し、該新アユュラープレ−１・と側板と
の間に楔を打ち込んだ状態で、タンク内側に多数のサボ
ー１・ピースを溶接すると共に外側にガイドを取付け、
該サボートピースを徐々に（例えば１０ｍｍづつ）切り
込んでタンクを下げ、側板と新アニュラーブレ−１・と
を溶接していた。Conventionally, to replace this annular plate, after separating the annular plate part from the bottom plate of the tank, cut the bottom of the bottom plate by about 20 to 25 mm, insert the new annular plate, and insert the new annular plate between the new annular plate and the side plate. With a wedge driven into the tank, weld a number of sabot 1 pieces to the inside of the tank and attach a guide to the outside.
The tank was lowered by cutting into the support piece gradually (for example, in 10 mm increments), and the side plate and the new annular brake 1 were welded together.
しかしながら、上記従来の工法においては、サポートピ
ースを少しづつ、切り込んで側板を下げるので手間がか
かるという問題点があり、更には、外側にもガイドを取
付けるので、周囲に保温｝ｊが設けられている場合、こ
れを一部取り除いて工事を行う必要があり、余分な工事
が必要になるという問題点があった。However, in the conventional construction method described above, there is a problem in that it is time-consuming because the support pieces are cut little by little and the side panels are lowered, and furthermore, guides are also installed on the outside, so heat insulation is not provided around the surroundings. If there is, it is necessary to remove part of it and perform construction, which poses the problem of requiring extra construction work.
本発明はこのような事情に鑑みななされたもので、工期
が短縮できて工事費が廉価となり、更には外側に設けら
れているガイド等も省略することができるタンクのアユ
エラープレ−１・取り替え方法を提供することを目的と
する。The present invention has been made in view of the above circumstances, and provides a method for replacing a tank with Ayueler Play 1, which can shorten the construction period, reduce construction costs, and furthermore eliminate the need for guides installed on the outside. The purpose is to provide
上記目的に沿う請求の範囲第１項記載のタンクのアニュ
ラープレート取り替え方法は、周方向に複数に区画した
アニュラープレートの一区画及び該アニュラープレート
に固着されるタンク側板下部を所定位置で切断して切取
り、該区画に板体からなる新アニュラープレートを配置
する工程と、該配置した新アニュラープレートに載置す
る雄ネジ棒が螺入した雌ネジ体を上記側板に所定個溶接
する工程と、上記工程を他の区画のアニュラープレート
に順次適応して徐々に区分されたアニュラーブレーｌ・
を必要により仮結合しながら新アニュラープレートに取
り替えると共に、該新アニュラープレートに載置する雄
ネジ棒が螺入した雌ネジ体を上記側板に溶接する工程と
、上記必要により仮結合した新アニュラープレートを隣
合う新アニュラーブレ−１・及び底板に溶接し、上記雄
ネジ棒を回転させて上記側板を降下させ、上記側板と新
アニュラープレートとを溶接する工程とを有して構成さ
れている。The tank annular plate replacement method according to claim 1, which meets the above object, includes cutting at a predetermined position one section of the annular plate divided into a plurality of sections in the circumferential direction and the lower part of the tank side plate fixed to the annular plate. a step of cutting and placing a new annular plate made of a plate in the section; a step of welding a predetermined number of female threaded bodies into which male threaded rods are screwed to be placed on the placed new annular plate to the side plate; The process was applied to the annular plates in other sections in order to gradually divide the annular plates.
a new annular plate that has been temporarily joined as necessary, and a process of welding a female threaded body into which a male threaded rod is screwed to be placed on the new annular plate to the side plate, and a new annular plate that has been temporarily joined as necessary. is welded to the adjacent new annular brake 1 and the bottom plate, the male threaded rod is rotated to lower the side plate, and the side plate and the new annular plate are welded together.
請求の範囲第２項記載のタンクのアニュラープレート取
り替え方法は、請求の範囲第１項記載のタンクのアニュ
ラープレート取り替え方法において、雄ネジ棒の下部に
スラストヘアリングが設けられて構成されている。The tank annular plate replacement method according to claim 2 is the tank annular plate replacement method according to claim 1, wherein a thrust hair ring is provided at the lower part of the male threaded rod.
請求の範囲第３項記載のタンクのアニュラープレー１・
取り替え方法は、請求の範囲第１項記載のタンクのアニ
ュラープレート取り替え方法において、雌ネジ体の周囲
には複数の取付け板が設けられて構成されている。Annular play 1 for a tank according to claim 3.
The replacement method is the annular plate replacement method for a tank according to claim 1, in which a plurality of mounting plates are provided around the female threaded body.
そして、請求の範囲第４項記載のタンクのアユュラープ
レ−１・取り替え方法は、請求の範囲第１項記載のタン
クのアニュラープレート取り替え方法において、屋根板
中心に設けられた柱の下部を切取り、該部分にジャッキ
を配置し、雄ネジ棒を回転させて側根を下げる動作と、
」二記ジャ・７キを徐々に下げて屋根板を徐々に下げる
動作とを同調させる工程を含むようにして構成されてい
る。The ayular plate 1 replacement method for a tank according to claim 4 is the annular plate replacement method for a tank according to claim 1, in which the lower part of the column provided at the center of the roof plate is cut off. Place a jack on the part and rotate the male threaded rod to lower the lateral root.
'' The structure includes a step of synchronizing the operation of gradually lowering the roof sheets by gradually lowering the roof sheets.
なお、上記タンクのアニュラープレート取り替え方法に
おいては、アユュラープレ−１・の部分のみを取り替え
る場合の他、該アニュラープレートに連接する底板全部
を取り替える場合であっても本発明は適用される。In addition, in the above-mentioned tank annular plate replacement method, the present invention is applicable not only to the case where only the ayular plate 1 is replaced but also to the case where the entire bottom plate connected to the annular plate is replaced.
請求の範囲第１項記載のタンクのアニコ，ラープレート
取り替え方法は、アニュラープレーｌ・の一区画と該区
画に溶接されるタンクの側板下部を切取り、この部分に
新アニュラープレートを配置し、しかる後に該新アニュ
ラープレート上に載置する雄不ジ棒が螺入する雌ネジ体
を上記側板に溶接し、これを順次他の区分されたアニュ
ラープレートに適応して、上記タンクの側板を新アニュ
ラープレート上に雄ネジ棒を介して載置し、この後該Ｍ
名ジ棒を回転させて徐々に側板を新アニュラープレー）
・」二まで降下させるようにしている。The method for replacing an annular plate in a tank according to claim 1 is to cut out a section of the annular plate L and the lower part of the side plate of the tank that is welded to the section, place a new annular plate in this section, and then Later, the female screw body into which the male and female rods to be placed on the new annular plate are screwed is welded to the side plate, and this is successively applied to the other divided annular plates, so that the side plate of the tank is attached to the new annular plate. Place it on the plate via the male threaded rod, and then
New annular play by rotating the name stick and gradually changing the side plate)
・I am trying to lower it to 2.
従って、従来の如く側板の外側に設けられるガイドは不
要となり、更には雄ネジ棒によって徐々に側板を降下さ
せることができるので、全体を円滑に下げて側板と新ア
ニュラープレートとを溶接することができる。Therefore, there is no need for a guide provided on the outside of the side plate as in the past, and since the side plate can be lowered gradually using a male threaded rod, the whole can be lowered smoothly and the side plate and the new annular plate can be welded together. can.
請求の範囲第２項記載のタンクのアニュラープレート取
り替え方法においては、雄ネジ棒の下部にスラストベア
リングが配置されているので、雄不ジ棒を小さな力で回
すことができる。In the tank annular plate replacement method described in claim 2, since the thrust bearing is disposed at the lower part of the male threaded rod, the male threaded rod can be rotated with a small force.
請求の範囲第３項記載のタンクのアニュラープレート取
り替え方法においては、＋＋１不ジ体の周囲には複数の
取付け板が設けられているので、該取付け板の一個を使
用して該雌ネジ体を側板に溶接することができ、切り離
して再度使用する場合には他の部分を取付け板を使用す
ることによって該雌ネジ体を複数回使用することができ
る。In the tank annular plate replacement method described in claim 3, since a plurality of mounting plates are provided around the ++1 solid body, one of the mounting plates is used to replace the female threaded body. It can be welded to the side plate, and when it is to be separated and used again, the female threaded body can be used multiple times by using a mounting plate for the other parts.
請求の範囲第４項記載のタンクのアニュラープレート取
り替え方法においては、屋根板中心に設けられた柱の下
部にジャッキを配置しているので、上記雄ネジ棒の操作
による側板の降下に合わせて屋根板中心を下げることが
可能となる。In the tank annular plate replacement method set forth in claim 4, since the jack is placed at the bottom of the pillar provided at the center of the roof plate, the roof can be replaced in accordance with the lowering of the side plate by operating the male threaded rod. It becomes possible to lower the center of the board.
続いて、添付した図面を参照しつつ、本発明方法の一実
施例を具体化した実施例につき説明し、本発明の理解に
供する。Next, an example embodying the method of the present invention will be described with reference to the attached drawings to provide an understanding of the present invention.
ここに、第１図はタンクの平断面図、第２図はタンクの
部分断面図、第３図は施工状態を示すタンクの部分断面
図、第４図は施工状態を示すタンクの部分斜視図、第５
図は雄ネジ棒と雌ネジ体からなる治具の取イ」け状況を
示す平面図、第６図はアニュラープレートを含む底板の
配置状態を示す平面図、第７図は施工状態のタンクの側
断面図である。Here, Fig. 1 is a plan sectional view of the tank, Fig. 2 is a partial sectional view of the tank, Fig. 3 is a partial sectional view of the tank showing the construction state, and Fig. 4 is a partial perspective view of the tank showing the construction state. , 5th
The figure is a plan view showing the installation of a jig consisting of a male threaded rod and a female thread body, Fig. 6 is a plan view showing the arrangement of the bottom plate including the annular plate, and Fig. 7 is a plan view of the tank in the construction state. FIG.
まず、本発明方法の一実施例で施工しようとするタンク
の底板１０を第１図のａ線に示すように、内側から３２
０ｍｍの所で切断する。First, as shown in line a of FIG.
Cut at 0mm.
次に、第２図に示すようにタンクの側板１１を第２図に
示すように切断するが、この場合側板１ｌを同時に全部
切断すると、側板１１が落下するので、第４図（Ａ）に
示すように部分的に２ｍ程度毎に適当な幅で非切断部分
１２を残し、側板１１を支持ずるようにずる。Next, the side plate 11 of the tank is cut as shown in Fig. 2. In this case, if all the side plates 1l are cut at the same time, the side plate 11 will fall, so the side plate 11 shown in Fig. 4 (A) is cut. As shown, uncut portions 12 of an appropriate width are left at intervals of approximately 2 m, and the side plates 11 are shifted so as to support them.
そして、切断したアニュラープレートを除いて新アニュ
ラープレート１３ａを側板１１の下部に配置するが、新
アニュラープレート１３ａの幅の部分たり非切断部１２
を切断して排除し、第４図（Ｂ）に示すように所定の位
置まで新アニュラープレー｝１３ａを挿入し必要な仮止
めを行う。この時点において新アニュラープレート１
３ ａの溶接しようとする端面下部には第４図（Ｃ）に
示すように裏当て金１３を取付けておく。Then, excluding the cut annular plate, the new annular plate 13a is placed at the lower part of the side plate 11.
The new annular plate 13a is inserted to a predetermined position as shown in FIG. 4(B), and the necessary temporary fixing is performed. At this point, the new annular plate 1
3A, a backing metal 13 is attached to the lower part of the end face to be welded as shown in FIG. 4(C).
この後、該新アニュラープレート１３ａ上に第２図（Ｃ
）に示すように、鉄板をテーバー状に切断してなる楔１
４を適当な間隔で打ち込み、この後第３図及び第４図（
Ｃ）に示すように雌ネジ体１５と雄ネジ棒１６とを有し
てなる治具１７を約１．７ｍ毎に取付ける。After this, the new annular plate 13a is placed on the new annular plate 13a as shown in FIG.
) As shown in ), a wedge 1 made by cutting an iron plate into a taber shape
4 at appropriate intervals, and then as shown in Figures 3 and 4 (
As shown in C), jigs 17 each having a female threaded body 15 and a male threaded rod 16 are installed at intervals of about 1.7 m.
上記雌ネジ体１５は中央に雌ネジが刻設され、周囲に羽
根状の取付け板１８が４個等間隔に形成されており、溶
接可能な鋳鋼、軟鋼等によって構成されている。そして
、上記雄ネジ棒１６の上部にはダブルナソト１９が取付
けられ、下部にはスラストベアリング２０が配置されて
、上記ダブルナソト１９の部分（厳密には上部か下部の
ナソ１・のいずれか一方）にレンチを当てて該雄ネジ棒
１６が円滑に回転できるようになっている。The female screw body 15 has a female screw carved in the center, four blade-shaped mounting plates 18 are formed around the periphery at equal intervals, and is made of weldable cast steel, mild steel, or the like. A double naso 19 is attached to the upper part of the male threaded rod 16, and a thrust bearing 20 is arranged at the lower part of the double naso 19 (strictly speaking, either the upper or lower naso 1). The male threaded rod 16 can be rotated smoothly by applying a wrench.
次に、該新アニュラープレート１３ａと対向する側に上
記工程と同様な工程を経て新アニュラープレート１３ｂ
を取付けその上に上記治具１７を載置する。同様な工程
を経て全部のアニュラーブレーＩ・を新アニュラープレ
ート１３Ｃ−１３ｆに換えて、夫々の新アニュラープレ
ート１３ａ〜１３ｆを第６図に示すように溶接し、第５
図に示すように治具１７を夫々取付けると共に、これら
の治具１７の間には予め第５図にその一部を示すように
、模１４を入れておく。Next, a new annular plate 13b is formed on the side opposite to the new annular plate 13a through a process similar to the above process.
is attached, and the jig 17 is placed on it. Through the same process, all the annular brakes I. were replaced with new annular plates 13C-13f, and the new annular plates 13a to 13f were welded as shown in FIG.
As shown in the figure, the jigs 17 are respectively attached, and a pattern 14 is placed between these jigs 17 in advance, as partially shown in FIG.
なお、上記側板１１を切断する工程において、下端の切
断部に開先を形成させておく。In addition, in the step of cutting the side plate 11, a groove is formed at the cut portion at the lower end.
そして、該タンク２１の中央の柱２２は、第７図に示す
ように、上記工程を経る前に下部の部分を切断して、そ
の下に適当な支持台２３を取付け適当本数の載置台２４
に載せられたジャッキ２５を配置し、該ジャッキ２５に
よって上記柱２２を支えるように予め工事を行っておく
。As shown in FIG. 7, the lower part of the central pillar 22 of the tank 21 is cut off before going through the above process, and an appropriate support stand 23 is attached under it, and an appropriate number of mounting stands 24 are attached.
A jack 25 mounted on the pillar 22 is placed and construction is performed in advance so that the pillar 22 is supported by the jack 25.
この後、適当に区分された底板２８を側板１ｌと下部隙
間からタンク２１内に取り込んだ後、第６図の如く敷並
べて全体を溶接して漏れの無いようにしておく。Thereafter, the properly divided bottom plate 28 is taken into the tank 21 through the gap between the side plate 1l and the lower part, and then laid out as shown in FIG. 6 and welded together to prevent leakage.
次に、全体のＰ！！１４を緩めて外し、上記治具１７の
雄ネジ棒１６を緩めると共に、ジャッキ２５を緩めて該
タンク２１の側板１１を屋根板２７と共に徐々に降下さ
せて、開先の形成された側板１１の下端部が新アニュラ
ープレート１３２〜１３ｆに当接するようにして、側板
１１と新アユュラープレ−１− １ ３ ａ〜１３ｆと
の溶接を行う。Next, the whole P! ! 14, and then loosen the male threaded rod 16 of the jig 17 and loosen the jack 25 to gradually lower the side plate 11 of the tank 21 together with the roof plate 27 to remove the grooved side plate 11. Welding is performed between the side plate 11 and the new annular plates 1-13a to 13f so that the lower ends thereof come into contact with the new annular plates 132 to 13f.
これによってタンクの補修が終わるので、取イ」けた治
具１７を全部取り外し、中央の柱２２に切り取った柱を
繋ぎ合わせて工事が完了する。This completes the repair of the tank, so remove all the removed jigs 17, connect the cut pillars to the central pillar 22, and complete the construction.
上記実施例においては底板も取り外して新しい底板に交
換したが、底板が腐蝕していない場合にはアニュラープ
レートのみを取り替えることになる。In the above embodiment, the bottom plate was also removed and replaced with a new bottom plate, but if the bottom plate was not corroded, only the annular plate would be replaced.
請求の範囲第１項〜第４項記載のタンクのアニュラープ
レート取り替え方法においては、側板の外側にガイド板
を取付ける必要がなく、更には雄ネジ棒を回すことによ
って側板を徐々に降下できるので、工事が簡便に行え、
従って、工期の短縮及び工費の低廉を図ることができる
。In the tank annular plate replacement method described in claims 1 to 4, there is no need to attach a guide plate to the outside of the side plate, and furthermore, the side plate can be gradually lowered by turning the male threaded rod. Construction can be done easily,
Therefore, it is possible to shorten the construction period and reduce construction costs.
特に、請求の範囲第２項記載のタンクのアニｊ４ラープ
レート取り替え方法においては、雄ネジ棒の下部にスラ
ス１・ヘアリングが設けられているので、雄ネジ棒を軽
《回転させることができる。In particular, in the tank annealer plate replacement method described in claim 2, since the male threaded rod is provided with a slus 1 hair ring at the bottom, the male threaded rod can be rotated easily. .
請求の範囲第３項記載のタンクのアニュラープレート取
り替え方法においては、雌ネジ体の周囲に複数の取付け
板が形成されているので、該雌ネジ体を複数回使用する
ことができる。In the tank annular plate replacement method described in claim 3, since a plurality of mounting plates are formed around the female threaded body, the female threaded body can be used multiple times.
請求の範囲第４項記載のタンクのアニュラープレート取
り替え方法においては、屋根板中心に設けられた柱の底
にジャッキが設けられているので、側板及び天井を無理
なく徐々に降下させることができる。In the tank annular plate replacement method as set forth in claim 4, since a jack is provided at the bottom of the pillar provided at the center of the roof plate, the side plate and ceiling can be lowered gradually and without difficulty.
第１図はタンクの平断面図、第２図はタンクの部分断面
図、第３図は施工状態を示すタンクの部分断面図、第４
図は施工状態を示すタンクの部分斜視図、第５図は雄ネ
ジ棒と雌ネジ体からなる治具の取付け状況を示す平面図
、第６図はアニュラープレートを含む底板の配置状態を
示す平面図、第７図は施工状態のタンクの側断面図であ
る。
〔符号の説明〕
１ ０−−−一底板、１ １−−一側板、１２非切断部
分、１ ３−−−−裏当て金、１３ａ〜１３ｆ−−−−
−新アニュラープレート、１ ４ −−−−−楔、１
５−−−一雌ネジ体、１ ６−−−一雄ネジ棒、１７
− 治具、１８ −・一 取付け板、１ ９ −−−
−ダブルナソ１・、２０ −一一一一−スラストヘアリ
ング、２１−−−一タンク、２ ２−−−−−−柱、２
３ −−−−−一支持台、２ ４−−−−−−一載
置台、２ ５ −−− ジャノキ、２６−・一・・−ガ
イド板、２ ７−一一一一一屋根板、２８底板
代理人 弁理士 中前 富士男
第２図
／１１
第６図
手続補正書（自発）Figure 1 is a plan sectional view of the tank, Figure 2 is a partial sectional view of the tank, Figure 3 is a partial sectional view of the tank showing the construction state, and Figure 4 is a partial sectional view of the tank.
The figure is a partial perspective view of the tank showing the construction state, Figure 5 is a plan view showing how the jig consisting of a male threaded rod and female thread body is installed, and Figure 6 is a plan view showing the arrangement of the bottom plate including the annular plate. 7 are side sectional views of the tank in the constructed state. [Explanation of symbols] 1 0---One bottom plate, 1 1---One side plate, 12 Uncut portion, 1 3---Backing metal, 13a to 13f---
-New annular plate, 1 4 ----Wedge, 1
5---One female threaded body, 1 6---One male threaded rod, 17
− Jig, 18 −・1 Mounting plate, 1 9 −−−
-Double naso 1, 20 -1111-Thrust hair ring, 21---1 tank, 2 2------pillar, 2
3 -------1 support stand, 2 4-------1 mounting table, 2 5 --- Janoki, 26-・1・・-guide plate, 2 7-11111 roof board, 28 Sole plate agent Patent attorney Fujio Nakamae Figure 2/11 Figure 6 procedural amendment (voluntary)
Claims (4)
区画及び該アニュラープレートに固着されるタンク側板
下部を所定位置で切断して切取り、該区画に板体からな
る新アニュラープレートを配置する工程と、該配置した
新アニュラープレートに載置する雄ネジ棒が螺入した雌
ネジ体を上記側板に所定個溶接する工程と、上記工程を
他の区画のアニュラープレートに順次適応して徐々に区
分されたアニュラープレートを必要により仮結合しなが
ら新アニュラープレートに取り替えると共に、該新アニ
ュラープレートに載置する雄ネジ棒が螺入した雌ネジ体
を上記側板に溶接する工程と、上記必要により仮結合し
た新アニュラープレートを隣合う新アニュラープレート
及び底板に溶接し、上記雄ネジ棒を回転させて上記側板
を降下させ、上記側板と新アニュラープレートとを溶接
する工程とを有してなることを特徴とするタンクのアニ
ュラープレート取り替え方法。(1) A step of cutting off one section of the annular plate divided into multiple sections in the circumferential direction and the lower part of the tank side plate fixed to the annular plate at a predetermined position, and placing a new annular plate made of a plate in the section. , a step of welding a predetermined number of female threaded bodies into which male threaded rods to be placed on the arranged new annular plate are screwed into the side plate, and a step of gradually applying the above steps to the annular plates of other sections. The process of replacing the old annular plate with a new annular plate while temporarily connecting it as necessary, and welding the female threaded body into which the male threaded rod to be placed on the new annular plate is screwed to the side plate, and temporarily connecting it as necessary. The new annular plate is welded to the adjacent new annular plate and the bottom plate, the male threaded rod is rotated to lower the side plate, and the side plate and the new annular plate are welded. How to replace the annular plate of a tank.
ている請求の範囲第１項記載のタンクのアニュラープレ
ート取り替え方法。(2) The annular plate replacement method for a tank according to claim 1, wherein a thrust bearing is provided at the lower part of the male threaded rod.
いる請求の範囲第１項記載のタンクのアニュラープレー
ト取り替え方法。(3) The tank annular plate replacement method according to claim 1, wherein a plurality of mounting plates are provided around the female threaded body.
分にジャッキを配置し、雄ネジ棒を回転させて側板を下
げる動作と、上記ジャッキを徐々に下げて屋根板を徐々
に下げる動作とを同調させる工程を含む請求の範囲第１
項記載のタンクのアニュラープレート取り替え方法。(4) Cut out the lower part of the pillar installed in the center of the roof board, place a jack in that part, rotate the male threaded rod to lower the side board, and gradually lower the jack to gradually lower the roof board. Claim 1 including the step of synchronizing the operation.
How to replace the tank annular plate described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1043812A JPH0651513B2 (en) | 1989-02-23 | 1989-02-23 | How to replace the tank annular plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1043812A JPH0651513B2 (en) | 1989-02-23 | 1989-02-23 | How to replace the tank annular plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02233392A true JPH02233392A (en) | 1990-09-14 |
| JPH0651513B2 JPH0651513B2 (en) | 1994-07-06 |
Family
ID=12674153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1043812A Expired - Lifetime JPH0651513B2 (en) | 1989-02-23 | 1989-02-23 | How to replace the tank annular plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0651513B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502875A (en) * | 2019-09-26 | 2022-05-13 | 气体运输技术公司 | Method for repairing a wall of a tank for transporting and/or storing liquefied natural gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60188576A (en) * | 1984-03-09 | 1985-09-26 | 新潟工事株式会社 | Annular plate of oil tank and bottom plate replacing method |
| JPS61142186A (en) * | 1984-12-10 | 1986-06-30 | ト−ヨ−カネツ株式会社 | Method of repairing bottom of storage tank |
| JPS6241873A (en) * | 1985-08-20 | 1987-02-23 | 杉山工業株式会社 | Method and apparatus for replacing bottom plate of tank |
-
1989
- 1989-02-23 JP JP1043812A patent/JPH0651513B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60188576A (en) * | 1984-03-09 | 1985-09-26 | 新潟工事株式会社 | Annular plate of oil tank and bottom plate replacing method |
| JPS61142186A (en) * | 1984-12-10 | 1986-06-30 | ト−ヨ−カネツ株式会社 | Method of repairing bottom of storage tank |
| JPS6241873A (en) * | 1985-08-20 | 1987-02-23 | 杉山工業株式会社 | Method and apparatus for replacing bottom plate of tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502875A (en) * | 2019-09-26 | 2022-05-13 | 气体运输技术公司 | Method for repairing a wall of a tank for transporting and/or storing liquefied natural gas |
| CN114502875B (en) * | 2019-09-26 | 2024-03-12 | 气体运输技术公司 | Method for repairing a wall of a tank for transporting and/or storing liquefied natural gas |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0651513B2 (en) | 1994-07-06 |
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