JP3159371B2 - Method of integrated dismantling and restoration of work floor in blast furnace renovation - Google Patents
Method of integrated dismantling and restoration of work floor in blast furnace renovationInfo
- Publication number
- JP3159371B2 JP3159371B2 JP25025796A JP25025796A JP3159371B2 JP 3159371 B2 JP3159371 B2 JP 3159371B2 JP 25025796 A JP25025796 A JP 25025796A JP 25025796 A JP25025796 A JP 25025796A JP 3159371 B2 JP3159371 B2 JP 3159371B2
- Authority
- JP
- Japan
- Prior art keywords
- blast furnace
- block
- work floor
- dolly
- work
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/243—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the outside contour of a building
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Movable Scaffolding (AREA)
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】本発明は高炉改修における作
業床の一体化解体復旧方法に関し、高炉改修をリングブ
ロック工法にて施工する場合における作業床の解体復旧
に適用される技術に関する。本発明において、作業床と
は、高炉の周囲に構築されている高炉の操業や保全作業
のための構築物、鋳床、配管、機器等を含む構造物を言
う。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated demolition and restoration method for a work floor in a blast furnace renovation, and more particularly to a technique applied to the demolition and restoration of a work floor when a blast furnace renovation is performed by a ring block method. In the present invention, the working floor refers to a structure including a blast furnace constructed around the blast furnace for operation and maintenance work, a cast floor, piping, equipment, and the like.
【０００２】[0002]
【従来の技術】高炉の改修工事に当たって、高炉炉体を
複数のリングブロックに水平面で分割し、分割した複数
のリングブロックを引出し、それぞれ高炉外の補修整備
位置において、ステーブ、耐火物等を取替え整備し、再
びリングブロックを高炉の位置に搬送して順次組み立て
るリングブロック工法がある。この場合に、高炉の解体
に先立ち、高炉の作業床、すなわち、高炉の操業や保全
のための構築物、鋳床、機器、配管等の構造物を取り外
し、高炉炉体の出入通路を確保し、再び取付ける必要が
ある。2. Description of the Related Art In a blast furnace repair work, a blast furnace body is divided into a plurality of ring blocks in a horizontal plane, a plurality of divided ring blocks are drawn out, and staves, refractories, etc. are replaced at repair and repair positions outside the blast furnace. There is a ring block method in which the blocks are maintained, transported to the blast furnace again, and assembled sequentially. In this case, prior to the dismantling of the blast furnace, the work floor of the blast furnace, that is, the structures for the operation and maintenance of the blast furnace, cast floor, equipment, pipes and other structures are removed, and the entrance and exit passage of the blast furnace body is secured, Need to re-install.
【０００３】通常、このような構造物を解体し、再び復
元する技術としては、建屋、作業床、機器等からなる大
きな構造物では、機器を撤去した後、梁・柱・作業床を
分解して取り外し、再度組立復元するのが一般的であ
る。Usually, as a technique for dismantling such a structure and restoring it, a large structure including a building, a work floor, and equipment is used to remove the equipment and then disassemble the beams, columns, and work floor. It is common to remove and reassemble.
【０００４】[0004]
【発明が解決しようとする課題】このような従来技術で
は、先ず、機器を撤去する必要があり、梁・柱・作業床
・レンガを小分割する必要がある。また、解体・復元に
長期間を必要とし、解体及び復旧に要する改修期間が長
くかかり、解体・復元のコストが高いという問題があ
る。In such a conventional technique, it is necessary to first remove the equipment, and it is necessary to subdivide the beams, columns, work floor, and bricks. Further, there is a problem that a long period of time is required for dismantling / restoring, a long repairing period for dismantling and restoration is required, and costs for dismantling / restoring are high.
【０００５】本発明はこのような問題点を解決すること
を課題とし、高炉炉体のリングブロック工法に用いる装
置を活用し、作業床を小さく分解することなく一体化し
て短時日に作業床の解体及び復旧を行う技術を提供する
ものである。すなわち、高炉の改修において、高炉炉体
をリング状ブロックに解体して改修を行うので、その搬
出入ルートを迅速に確保し、高炉炉体の搬出入を妨げな
いこととすると共に、高炉炉体分解組立ての前後の付帯
工事も短工期に行うことができるようにすることであ
る。An object of the present invention is to solve such a problem, and utilizing a device used for a ring block method of a blast furnace body, disassembling the work floor without disassembling the work floor into small pieces and disassembling the work floor in a short time. And a technology for performing restoration. That is, in the refurbishment of the blast furnace, the blast furnace body is disassembled into a ring-shaped block and the refurbishment is performed, so that the carry-in / out route is quickly secured, and the blast furnace body is not hindered. Ancillary work before and after disassembly and assembly can be performed in a short period.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記課題を解
決するためになされたもので、搬出入ルートの作業床の
必要な部位に補強を行い、作業床を一体化し、ドーリ
ー、トレーラ等の昇降装置を備えた輸送機械で搬出入す
る。配管・配線その他、搬出に干渉するものは予め、解
体又は、模様変えを実施する。上記の措置を行った上で
柱・梁・作業床・機器・レンガ配管・配線等一切を従前
の状態のまま搬出する。適切な仮置き場に移動後、機器
のオーバーホール・配管工事等一切の作業をオフライン
で施工する。完成したモジュール品を従前の場所へ搬入
復元する。DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and reinforces a necessary portion of a work floor of a carry-in / out route, integrates the work floor, and provides a dolly, a trailer, etc. Cargo in and out of a transport machine equipped with a lifting device. Disassemble or change the pattern of piping, wiring, and other objects that interfere with carry-out. After taking the above measures, all columns, beams, work floors, equipment, brick pipes, wiring, etc. will be carried out in the same state as before. After moving to an appropriate temporary storage area, all work such as equipment overhaul and plumbing work will be performed offline. The completed module product is transported to the previous location and restored.
【０００７】すなわち、本発明は、高炉の作業床を解体
復旧するに当り、該作業床を補強して一体輸送可能なブ
ロックとしドーリーを高炉側へ移動して該ブロックをド
ーリー上に載せ、該ブロック搬出側と反対の端部近傍に
スライド装置を設けて該ブロックの偏心荷重を受けなが
ら、外へ向って該ブロックを移動し、該ブロックを仮置
きし、再度ドーリーを進入させることを繰り返して該ブ
ロックの重心をドーリーの中心まで移動させて高炉位置
から搬出し、高炉本体の改修工事中に、仮置場にて配管
及び機器の据付を施工し、復旧時は搬出時の逆工程で該
ブロックの重心をドーリーの前端まで移動させ、ドーリ
ーを用いて高炉位置へ進入させることを特徴とする高炉
改修における作業床の一体化解体復旧方法である。That is, according to the present invention, when the work floor of the blast furnace is dismantled and restored, the work floor is reinforced to form a block that can be integrally transported, and the dolly is moved to the blast furnace side to remove the block.
And place it near the end opposite to the block discharge side.
Provide a slide device to receive the eccentric load of the block.
Move the block outward and place it temporarily
The dolly again and repeat
Moving the center of gravity of the lock to the center of the dolly is unloaded from the blast position, during renovation of the blast furnace body, and construction piping and installation of equipment at the temporary shelter, during recovery the reversed process at the time of unloading <br This is a method for integrated demolition and dismantling of a work floor in blast furnace renovation, characterized by moving the center of gravity of a block to the front end of a dolly and entering the blast furnace position using the dolly.
【０００８】[0008]
【発明の実施の形態】以下図面を参照して本発明の実施
の形態を説明する。図１は本発明方法を説明する高炉解
体部の平面図で解体復旧範囲を示すものである。この範
囲の作業床を一体化作業床と呼ぶ。図２は図１の側面
図、図３は正面図である。図において、高炉基礎１０１
上に載置されている高炉１００を、リングブロック工法
により水平に分割して、高炉炉体を水平に引き出すため
に、高炉設置位置に近接可能なドーリー（台車）２０が
設置されている。そして、高炉炉体を搬出することがで
きるように、高炉外周の構造物の内、図に示す作業床撤
去部分１０を撤去する。このために、作業床撤去部分１
０を補強部材１１で補強する。また、作業床撤去部分１
０と撤去しない部分１５とを切り離す。ドーリー２０
は、パワパック２１、キャビン２２を備え、車輪２３を
備えて高炉に近接、離隔する方向に移動する。また、昇
降ジャッキ２４を備え、載荷物を昇降させることができ
る。本発明ではこのドーリー２０を利用する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a dismantling portion of a blast furnace for explaining a method of the present invention, and shows a dismantling restoration range. The work floor in this range is called an integrated work floor. 2 is a side view of FIG. 1, and FIG. 3 is a front view. In the figure, blast furnace foundation 101
In order to divide the blast furnace 100 placed above horizontally by a ring block method and to draw out the blast furnace body horizontally, a dolly (cart) 20 that can approach the blast furnace installation position is installed. Then, the work floor removal portion 10 shown in the figure is removed from the structure around the blast furnace so that the blast furnace body can be carried out. Therefore, the work floor removal part 1
0 is reinforced by the reinforcing member 11. Also, work floor removal part 1
0 and the part 15 not to be removed are separated. Dolly 20
Is equipped with a power pack 21 and a cabin 22 and is equipped with wheels 23 and moves in a direction approaching and away from the blast furnace. In addition, a lifting / lowering jack 24 is provided so that the load can be raised / lowered. In the present invention, this dolly 20 is used.
【０００９】図４〜図６は本発明の作業床の解体工程を
示す説明図である。本発明の作業工程は次のとおりであ
る。 （１）作業床撤去部分１０（解体復旧範囲）を搬出する
ため、補強部材１１でドーリー受け補強をする。（図２
参照）。 （２）作業床撤去部分１０の範囲内の部分と、この範囲
外の部分とを、図１〜図３に２点鎖線で囲って示す位置
で切り離し作業床撤去部分１０（解体搬出部）を本設備
から切り離す。 （３）図４に示すように、ドーリー２０を 矢印３１の
方向に移動し、作業床撤去部分をドーリー上に載せる。
この時、作業床撤去部分１０の重心はドーリー上にのっ
ていない。 （４）ドーリーの昇降装置でドーリー架台及びドーリー
を持ち上げ、ドーリーの往復により、作業床撤去部分１
０の重心をドーリー上に位置させる。この時、作業床撤
去部分１０と補強部材１１は一体化しており、この一体
化作業床とドーリー２０とは重心が離れているので、搬
出側と反対の端部近傍に、スライド装置１２を取付け、
一体化作業床の偏心荷重を受けながら外へ向かって一体
化作業床を移動する。一体化作業床を仮置きし、再度、
ドーリーを進入させる。 （５）ドーリーに一体化作業床の重心１３が乗ったら、
図５に示すように、ドーリー２０を矢印３２の方向に、
後退させて一体化作業床を搬出する。 （６）適切な仮置き場で、作業床付帯機器・配管類の補
修・建設等必要な作業を完了させ、設備のモジュール化
を図る。 （７）高炉本体の搬出搬入完了後、当該作業床を搬入
し、図６に示すように、復旧する。復旧作業は搬出時の
逆工程となる。FIG. 4 to FIG. 6 are explanatory views showing the dismantling process of the work floor according to the present invention. The working steps of the present invention are as follows. (1) In order to carry out the work floor removal portion 10 (dismantling restoration range), the reinforcing member 11 reinforces the dolly receiving. (Figure 2
reference). (2) A part within the range of the work floor removal part 10 and a part outside this range are separated at a position shown by a two-dot chain line in FIGS. 1 to 3, and the work floor removal part 10 (dismantling discharge part) is separated. Disconnect from this equipment. (3) As shown in FIG. 4, the dolly 20 is moved in the direction of the arrow 31, and the work floor removed portion is placed on the dolly.
At this time, the center of gravity of the work floor removal part 10 is not on the dolly. (4) The dolly frame and the dolly are lifted by the dolly elevating device, and the work floor is removed by reciprocating the dolly.
The center of gravity of 0 is located on the dolly. At this time, the work floor removal portion 10 and the reinforcing member 11 are integrated, and since the center of gravity is separated from the integrated work floor and the dolly 20, the slide device 12 is attached near the end opposite to the unloading side. ,
The integrated work floor moves outward while receiving the eccentric load of the integrated work floor. Temporarily put the integrated work floor, again,
Invite Dolly. (5) When the center of gravity 13 of the integrated work floor is on the dolly,
As shown in FIG. 5, the dolly 20 is moved in the direction of arrow 32,
Retract and unload the integrated work floor. (6) At an appropriate temporary storage place, complete necessary work such as repair and construction of equipment and pipes attached to the work floor, and modularize the equipment. (7) After the blast furnace body is completely carried out and carried in, the work floor is carried in and restored as shown in FIG. Restoration work is the reverse process when unloading.
【００１０】[0010]
【発明の効果】本発明によれば、高炉のリングブロック
工法の施工に当たり、高炉炉体のリングブロックの搬出
入ルートを確保するために、高炉の作業床を小さく分解
することなく一体化して短時日に解体及び復旧をするこ
とができる。例えば、従来の方法では作業床解体期間１
０日間、作業床復旧・付帯設備補修１５日間、全体工数
として約５００人日を要していたが、本発明によれば、
作業床解体期間１日間、作業床復旧・付帯設備補修１日
間、全体工数として約１５０人日となった。According to the present invention, in the construction of the blast furnace ring block method, the work floor of the blast furnace is integrated without being disassembled into small pieces in order to secure a route for carrying in and out the ring block of the blast furnace body. Can be dismantled and restored. For example, in the conventional method, the work floor demolition period 1
0 days, work floor restoration and incidental equipment repair 15 days, total man-hours required about 500 man days, according to the present invention,
The work floor dismantling period was one day, the work floor restoration and incidental equipment repair was one day, and the total man-hour was about 150 man days.
【図１】実施例の平面図である。FIG. 1 is a plan view of an embodiment.
【図２】実施例の側面図である。FIG. 2 is a side view of the embodiment.
【図３】実施例の正面図である。FIG. 3 is a front view of the embodiment.
【図４】実施例の作業工程を示す側面図である。FIG. 4 is a side view showing the working steps of the embodiment.
【図５】実施例の作業工程を示す側面図である。FIG. 5 is a side view showing the working process of the embodiment.
【図６】実施例の作業工程を示す側面図である。FIG. 6 is a side view showing the working steps of the embodiment.
１０ 作業床撤去部分 １１ 補強部材 １２ スライド装置 １３ 重心 １５ 撤去しない部分 ２０ ドーリー ２１ パワパック ２２ キャビン ２３ 車輪 ２４ 昇降ジャッキ ３１、３２、３３ 矢印 １００ 高炉 １０１ 高炉基礎10 working floor removal portion 11 reinforcement member 12 slide device 13 the center of gravity 15 removed portion without 20 dolly 21 Pawapakku 22 cabin 23 wheel 24 lifting jacks 31, 32 and 33 arrows 100 blast 101 blast furnace foundation
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C21B 7/00 304 E04G 1/36 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) C21B 7/00 304 E04G 1/36
Claims (1)
作業床を補強して一体輸送可能なブロックとし、ドーリ
ーを高炉側へ移動して該ブロックをドーリー上に載せ、
該ブロック搬出側と反対の端部近傍にスライド装置を設
けて該ブロックの偏心荷重を受けながら、外へ向って該
ブロックを移動し、該ブロックを仮置きし、再度ドーリ
ーを進入させることを繰り返して該ブロックの重心をド
ーリーの中心まで移動させて高炉位置から搬出し、高炉
本体の改修工事中に、仮置場にて配管及び機器の据付を
施工し、復旧時は搬出時の逆工程で該ブロックの重心を
ドーリーの前端まで移動させ、ドーリーを用いて高炉位
置へ進入させることを特徴とする高炉改修における作業
床の一体化解体復旧方法。[Claim 1] per to to dismantle recover the work floor of the blast furnace, an integral transportable block to reinforce the the working floor, dolly
-Move to the blast furnace side and place the block on the dolly,
A slide device is installed near the end opposite to the block discharge side.
While receiving the eccentric load of the block,
Move the block, temporarily place the block, and retry
The center of gravity of the block is moved to the center of the dolly and removed from the blast furnace position.During repair work on the blast furnace body, installation of pipes and equipment is carried out at a temporary storage area. A method for integrated demolition and dismantling of a work floor in blast furnace renovation, characterized in that the center of gravity of the block is moved to the front end of the dolly in the reverse process at the time of unloading, and the block is moved into the blast furnace position using the dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25025796A JP3159371B2 (en) | 1996-09-20 | 1996-09-20 | Method of integrated dismantling and restoration of work floor in blast furnace renovation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25025796A JP3159371B2 (en) | 1996-09-20 | 1996-09-20 | Method of integrated dismantling and restoration of work floor in blast furnace renovation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1096006A JPH1096006A (en) | 1998-04-14 |
| JP3159371B2 true JP3159371B2 (en) | 2001-04-23 |
Family
ID=17205200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25025796A Expired - Fee Related JP3159371B2 (en) | 1996-09-20 | 1996-09-20 | Method of integrated dismantling and restoration of work floor in blast furnace renovation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3159371B2 (en) |
-
1996
- 1996-09-20 JP JP25025796A patent/JP3159371B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1096006A (en) | 1998-04-14 |
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