JPH07103665A - Method for building furnace with large sized regular form refractory material - Google Patents
Method for building furnace with large sized regular form refractory materialInfo
- Publication number
- JPH07103665A JPH07103665A JP27599593A JP27599593A JPH07103665A JP H07103665 A JPH07103665 A JP H07103665A JP 27599593 A JP27599593 A JP 27599593A JP 27599593 A JP27599593 A JP 27599593A JP H07103665 A JPH07103665 A JP H07103665A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- sized
- jack
- refractory material
- regular refractory
- 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
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Blast Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高炉、電炉、アルミ溶
解炉、加熱炉などの窯炉に使用されるカーボン煉瓦など
の大型定型耐火物や大型プレキャストブロックなど人力
での築炉作業が困難な大型定型耐火物の築炉方法に関す
る。INDUSTRIAL APPLICABILITY The present invention makes it difficult to manually construct a furnace such as a large precast refractory such as a carbon brick used in a kiln such as a blast furnace, an electric furnace, an aluminum melting furnace, and a heating furnace, or a large precast block. Related to a method for constructing a large-sized standard refractory material.
【０００２】[0002]
【従来の技術】高炉など各種窯炉の改修工事に対する工
期短縮ニーズが依然として強い反面、直接工事に携わる
築炉技能労働者は年ごとに高齢化と減少傾向が進んでお
り、工期短縮はもとより予定工期の確保さえ困難な状況
となっている。このような状況下に於いて抜本的な改善
提案例は極めて少なく旧態依然とした築炉方法が継承さ
れている。一例として、高炉改修工事におけるカーボン
煉瓦などの大型耐火物の炉内築炉作業の場合、以下のよ
うな方法が採用されているのが現状である。[Prior Art] While there is still a strong need for shortening the construction period for the repair work of various kilns such as blast furnaces, the number of skilled furnace workers directly engaged in the construction work is aging and decreasing every year. Even the construction period is difficult to secure. Under such circumstances, there are very few examples of drastic improvement proposals, and the old furnace construction method has been inherited. As an example, in the case of in-furnace construction work of large refractories such as carbon bricks in blast furnace repair work, the following methods are currently used.
【０００３】１）築炉方法 （イ）大型定型耐火物相互間の目地部分にモルタルを使
用する方法 （ロ）大型定型耐火物相互間の目地部分にモルタルを使
用しない方法 上記２つの築炉方法のうち（イ）大型定型耐火物相互間
の目地部分にモルタルを使用する方法の場合、目地部分
にモルタルが充填されているため溶銑が浸透しにくく高
炉寿命への悪影響は少ない。しかしながら構造体として
の弱点である目地部分の厚さを極力薄くすることが必要
な為、ジャッキなどで締め付けながら築炉する方法が採
用されており、このジャッキの反力を支持する為、炉内
には鋼鉄製の大型構造物が設置されてきた。1) Method of constructing a furnace (a) Method of using mortar for joints between large-sized standard refractories (b) Method of not using mortar for joints between large-scale typical refractories In the case of (a) the method of using mortar in joints between large-sized standard refractories, since the joints are filled with mortar, the hot metal hardly penetrates and the blast furnace life is less adversely affected. However, since it is necessary to make the joint thickness, which is a weak point of the structure, as thin as possible, a method of constructing a furnace while tightening with a jack etc. is adopted.In order to support the reaction force of this jack, Large steel structures have been installed in the.
【０００４】２）運搬方法 （イ）大型定型耐火物をハサミ状の治具で掴み、これを
ホイストクレーンで吊り上げ移動させる方法 （ロ）大型定型耐火物の上面に設けた穴に特殊なボルト
を挿入し、これをホイストクレーンで吊り上げ移動させ
る方法2) Transportation method (a) A method in which a large-sized standard refractory material is grasped by a scissor-like jig and is lifted and moved by a hoist crane (b) A special bolt is provided in a hole provided on the upper surface of the large-sized standard refractory material. How to insert and lift and move this with a hoist crane
【０００５】[0005]
【発明が解決しようとする課題】本発明は前記第１）項
の（イ）大型定型耐火物相互間の目地部分にモルタルを
使用する方法に関するものであり、従来技術には次のよ
うな問題点がある。即ち、 （１）鋼鉄製構造物の取り付けや取り外しに多くの資材
と時間と労力を要する。 （２）大きな鋼鉄製構造物が狭い炉内に設置されるため
作業スペースが狭くなり築炉作業能力が低下する。 （３）安全な作業環境の確保が困難である。 本発明の目的は、薄目地構造体の確保により炉体寿命を
損なうことなく大型定型耐火物の築炉作業における所用
資材の削減、所要日数の短縮、所要人員の削減、および
安全な作業環境を提供する点にある。SUMMARY OF THE INVENTION The present invention relates to a method of using mortar in joints between (a) large-sized standard refractory materials in the above item (1), and the following problems exist in the prior art. There is a point. That is, (1) A lot of materials, time and labor are required to attach and detach the steel structure. (2) Since a large steel structure is installed in a narrow furnace, the work space is narrowed and the furnace work capacity is reduced. (3) It is difficult to secure a safe working environment. It is an object of the present invention to reduce the materials required for the construction work of a large-sized standard refractory by securing a thin joint structure without shortening the life of the furnace body, shortening the number of days required, reducing the number of personnel, and a safe working environment. It is in the point of providing.
【０００６】[0006]
【課題を解決するための手段】本発明は、ジャッキやシ
リンダーを利用して目地締めを行う大型定型耐火物の築
炉作業に於いて、目地締め時に生ずるジャッキやシリン
ダーの反力を大型定型耐火物に設けた穴（運搬用の穴を
利用することも可能）に挿入された支持部材により支持
することによって上記課題を解決した。SUMMARY OF THE INVENTION In the construction of a large-sized standard refractory for joint fastening using a jack or a cylinder, the present invention detects the reaction force of the jack or the cylinder generated when the joint is fastened by a large standard fire-resistant. The above problem is solved by supporting by a support member inserted in a hole provided in an object (a hole for transportation can also be used).
【０００７】[0007]
【作用】本発明で必要な大型定型耐火物の穴は、運搬用
穴と兼用であるため、大型定型耐火物に新たな加工や仕
掛けは不要である。また、反力支持部材は軽量小型で取
扱いも容易でありゴムなどでカバーすることにより大型
定型耐火物に設けた穴上端の欠損も防止できる。さら
に、ジャッキやシリンダーなどによる力の作用点を大型
定型耐火物の両端部に設定できるので均等な薄目地構造
体が得られる。Since the hole of the large-sized standard refractory required for the present invention is also used as the transportation hole, no additional processing or gimmick is required for the large-sized standard refractory. Further, the reaction force support member is lightweight and compact and easy to handle, and by covering it with rubber or the like, it is possible to prevent the upper end of the hole provided in the large-sized standard refractory from being damaged. Furthermore, the points of action of the force of the jacks and cylinders can be set at both ends of the large-sized standard refractory, so that a uniform thin joint structure can be obtained.
【０００８】[0008]
【実施例】以下本発明の実施例を図面により詳細に説明
する。図１は縦長型の大型定型耐火物の対角線方向の上
下２か所から力を加えるタイプの第１実施例を示す斜視
図である。図１に於いて、すでに築炉済みの大型定型耐
火物群２および築炉途上の大型定型耐火物１に予め設け
られた穴３にジャッキやシリンダーなどの操作によって
生ずる反力を支持するための鋼管または丸鋼製反力支持
部材４が挿入されている。ジャッキやシリンダーなどの
押し付け装置または引っ張り装置５は複数の反力支持部
材４間および反力支持部材４と築炉途上の大型定型耐火
物１間に対角線方向に上下１台づつ配置固定され大型定
型耐火物の目地締めに供される。そして、ジャッキやシ
リンダーなどの力はポンプ７によって発生し圧力計６に
よって管理される。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of a type in which a force is applied from two upper and lower positions in a diagonal direction of a vertically long large-sized standard refractory. In FIG. 1, for supporting a reaction force generated by an operation of a jack, a cylinder or the like in a hole 3 provided in advance in the large-sized standard refractory group 2 already constructed and the large-sized standard refractory 1 in the process of being constructed. A reaction force support member 4 made of steel pipe or round steel is inserted. A pressing device such as a jack or a cylinder or a pulling device 5 is arranged and fixed diagonally in the vertical direction between a plurality of reaction force supporting members 4 and between the reaction force supporting members 4 and the large-sized standard refractory 1 in the process of furnace construction. Used for jointing refractories. The force of the jack or cylinder is generated by the pump 7 and managed by the pressure gauge 6.
【０００９】図２は横長型の大型定型耐火物のＸ軸方向
の２か所およびＹ軸方向の１か所から力を加えるタイプ
の第２実施例を示す斜視図である。図２に於いて、直径
５０ｍｍ、深さ８０ｍｍの穴を設けた幅６００ｍｍ、長
さ９００ｍｍ、高さ５００ｍｍのＡｌ2 Ｏ3 −Ｃ−Ｓｉ
Ｃ系プレキャストブロックに、Ａｌ2 Ｏ3 −Ｃ−ＳｉＣ
系目地モルタルを約３ｍｍの厚さで塗布し、Ｘ軸方向か
ら１５０ｋｇ×２か所＝３００ｋｇ、およびＹ軸方向か
ら３００ｋｇの力を加えた試験の結果、約１．５ｍｍの
ほぼ均等な目地厚さが得られた。FIG. 2 is a perspective view showing a second embodiment of a type in which a force is applied from two locations in the X-axis direction and one location in the Y-axis direction of a horizontally long large-sized standard refractory. In FIG. 2, a width of 600 mm, a length of 900 mm, and a height of 500 mm provided with a hole having a diameter of 50 mm and a depth of 80 mm are Al 2 O 3 -C-Si.
Al 2 O 3 -C-SiC was added to the C-based precast block.
System joint mortar was applied to a thickness of about 3 mm, and the result of a test in which a force of 150 kg x 2 points = 300 kg from the X-axis direction and 300 kg from the Y-axis direction was applied. Was obtained.
【００１０】上記の試験結果が示すように、実用上極め
て満足すべき成果が容易に得られた。本発明を内容積が
４０００ｍ3 級の高炉に適用した場合、３日間（２交替
作業の場合は１．５日間）の工期短縮と延べ１５０人の
労働力の削減が可能となる。図３は縦長型の大型定型耐
火物のＸ軸方向およびＹ軸方向の上下４か所から力を加
えるタイプの第３実施例を示す斜視図である。図４は横
長型の大型定型耐火物の対角線方向の１か所から力を加
えるタイプの第４実施例を示す斜視図である。図５はセ
リ巻用横長型の大型定型耐火物の接線方向の２か所から
力を加えるタイプの第５実施例を示す斜視図である。As shown by the above-mentioned test results, practically very satisfactory results were easily obtained. When the present invention is applied to a blast furnace with an internal volume of 4000 m 3 , it is possible to shorten the construction period for 3 days (1.5 days in the case of two-shift work) and reduce the labor force for a total of 150 people. FIG. 3 is a perspective view showing a third embodiment of a type in which a force is applied from four positions above and below in the X-axis direction and the Y-axis direction of a vertically long large-sized standard refractory. FIG. 4 is a perspective view showing a fourth embodiment of a type in which a force is applied from one location in the diagonal direction of a horizontally long large-sized standard refractory. FIG. 5 is a perspective view showing a fifth embodiment of a type in which a force is applied from two positions in the tangential direction of a horizontally elongated large-sized standard refractory for seri roll.
【００１１】図３、図４および図５に示す実施例は、図
１および図２に示す実施例に対して大型定型耐火物の形
状、ジャッキやシリンダーの数、力を加える方向および
力の作用点などを異にするが、基本的な原理は全く同一
である。尚、本発明はプレキャストブロックなど不定型
耐火物の事前成型品や、目地モルタル使用の有無にかか
わらず適用出来る。さらに、本発明が前記実施例にのみ
限定されるものではなく本発明の要旨を逸脱しない限り
種々変更を加え得ることは勿論である。The embodiment shown in FIGS. 3, 4 and 5 is different from the embodiment shown in FIGS. 1 and 2 in the shape of a large-sized standard refractory, the number of jacks and cylinders, the direction of applying force, and the action of force. Although the points are different, the basic principle is exactly the same. The present invention can be applied regardless of whether or not a precast block such as a precast block is used as a preformed product or whether or not a joint mortar is used. Further, it is needless to say that the present invention is not limited to the above-mentioned embodiments and various modifications can be made without departing from the gist of the present invention.
【００１２】[0012]
【発明の効果】以上述べた如く本発明の大型定型耐火物
の築炉方法によれば、 （１）鋼鉄製構造物の製作、取り付けおよび取り外しに
要する日数、資材および人員が不要となる。 （２）炉内の作業スペースが広くなるので築炉作業能力
が向上すると共に安全な作業環境が確保できる。 などの優れた効果を奏し得る。As described above, according to the method for constructing a large-sized standard refractory of the present invention, (1) the number of days, materials and personnel required for manufacturing, attaching and detaching a steel structure are unnecessary. (2) Since the working space in the furnace is wide, the working capacity of the furnace can be improved and a safe working environment can be secured. And so on.
【図１】縦長型の大型定型耐火物の対角線方向の上下２
か所から力を加えるタイプの第１実施例を示す斜視図[Fig. 1] Vertically-oriented large-sized standard refractories diagonally above and below 2
Perspective view showing a first embodiment of a type in which force is applied from a location
【図２】横長型の大型定型耐火物のＸ軸方向の２か所お
よびＹ軸方向の１か所から力を加えるタイプの第２実施
例を示す斜視図FIG. 2 is a perspective view showing a second embodiment of a type in which a force is applied from two locations in the X-axis direction and one location in the Y-axis direction of a horizontally long large-sized standard refractory material.
【図３】縦長型の大型定型耐火物のＸ軸方向およびＹ軸
方向の上下４か所から力を加えるタイプの第３実施例を
示す斜視図FIG. 3 is a perspective view showing a third embodiment of a type in which a force is applied from up and down four positions in the X-axis direction and the Y-axis direction of a vertically long large-sized standard refractory material.
【図４】横長型の大型定型耐火物の対角線方向の１か所
から力を加えるタイプの第４実施例を示す斜視図FIG. 4 is a perspective view showing a fourth embodiment of a type in which a force is applied from one place in the diagonal direction of a horizontally long large-sized standard refractory material.
【図５】セリ巻用横長型の大型定型耐火物の接線方向の
２か所から力を加えるタイプの第５実施例を示す斜視図FIG. 5 is a perspective view showing a fifth embodiment of a type in which a force is applied from two points in the tangential direction of a horizontally elongated large-sized standard refractory for auction.
１ 築炉途上の大型定型耐火物 ２ 築炉済の大型定型耐火物 ３ 大型定型耐火物に設けた穴 ４ 反力支持部材 ５ 押し付けまたは引っ張り装置 ６ 圧力計 ７ ポンプ 1 Large-scale standard refractory in the middle of furnace construction 2 Large-scale standard refractory already constructed 3 Holes provided in large-scale standard refractory 4 Reaction force support member 5 Pressing or pulling device 6 Pressure gauge 7 Pump
Claims (1)
めを行う大型定型耐火物の築炉作業に於いて、目地締め
時に生ずるジャッキやシリンダーの反力を大型定型耐火
物に設けた穴に挿入された支持部材により支持すること
を特徴とする大型定型耐火物の築炉方法。1. In a furnace construction work for a large-sized standard refractory that uses a jack or a cylinder to perform joint fastening, the reaction force of the jack or cylinder generated during joint fastening is inserted into a hole provided in the large-sized standard refractory. A method for constructing a large-sized standard refractory material, characterized in that it is supported by a supporting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27599593A JP2955452B2 (en) | 1993-10-08 | 1993-10-08 | Furnace construction method for large fixed refractories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27599593A JP2955452B2 (en) | 1993-10-08 | 1993-10-08 | Furnace construction method for large fixed refractories |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07103665A true JPH07103665A (en) | 1995-04-18 |
| JP2955452B2 JP2955452B2 (en) | 1999-10-04 |
Family
ID=17563309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27599593A Expired - Fee Related JP2955452B2 (en) | 1993-10-08 | 1993-10-08 | Furnace construction method for large fixed refractories |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2955452B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205693A (en) * | 2006-02-06 | 2007-08-16 | Nippon Steel Engineering Co Ltd | Construction method of furnace-laid brick |
| CN102798292A (en) * | 2012-09-10 | 2012-11-28 | 江西稀有稀土金属钨业集团有限公司 | Method for baking vacuum induction melting furnace |
| CN104596291A (en) * | 2015-02-05 | 2015-05-06 | 安徽芜湖海螺建筑安装工程有限责任公司 | Construction method for using fireproof material in rotary cement kiln |
-
1993
- 1993-10-08 JP JP27599593A patent/JP2955452B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007205693A (en) * | 2006-02-06 | 2007-08-16 | Nippon Steel Engineering Co Ltd | Construction method of furnace-laid brick |
| JP4594873B2 (en) * | 2006-02-06 | 2010-12-08 | 新日鉄エンジニアリング株式会社 | How to build a hearth brick |
| CN102798292A (en) * | 2012-09-10 | 2012-11-28 | 江西稀有稀土金属钨业集团有限公司 | Method for baking vacuum induction melting furnace |
| CN104596291A (en) * | 2015-02-05 | 2015-05-06 | 安徽芜湖海螺建筑安装工程有限责任公司 | Construction method for using fireproof material in rotary cement kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2955452B2 (en) | 1999-10-04 |
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