JPS5849606B2 - Blast furnace inner wall repair equipment equipped with a rotating chute charging device - Google Patents
Blast furnace inner wall repair equipment equipped with a rotating chute charging deviceInfo
- Publication number
- JPS5849606B2 JPS5849606B2 JP16002079A JP16002079A JPS5849606B2 JP S5849606 B2 JPS5849606 B2 JP S5849606B2 JP 16002079 A JP16002079 A JP 16002079A JP 16002079 A JP16002079 A JP 16002079A JP S5849606 B2 JPS5849606 B2 JP S5849606B2
- Authority
- JP
- Japan
- Prior art keywords
- blast furnace
- rotating chute
- charging device
- chute
- rotating
- 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
Links
Landscapes
- Blast Furnaces (AREA)
Description
【発明の詳細な説明】
本発明は、旋回シュート式装入装置を備えた高炉の内壁
耐火物補修装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a blast furnace inner wall refractory repair device equipped with a rotating chute type charging device.
高炉の内壁耐火物は、炉命が進むにつれて損耗し壁面形
状が不規則になるため、炉内ガス流を乱し炉況の不安定
を招来する。As the furnace life progresses, the inner wall refractories of blast furnaces wear out and the shape of the wall surface becomes irregular, which disturbs the gas flow in the furnace and causes instability in the furnace condition.
また、内壁耐火物が損耗すると高炉鉄皮の熱負荷が増す
ので炉の寿命を短縮することになる。Furthermore, when the inner wall refractories wear out, the heat load on the blast furnace shell increases, which shortens the life of the furnace.
このため近年、操業中の高炉の内壁耐火物の損耗部に耐
火材を吹き付ける補修を行なうようになった。For this reason, in recent years, repair work has been carried out by spraying refractory material on the damaged parts of the inner wall refractories of operating blast furnaces.
例えば、本願出願人が先に提案した特開昭５４２６２０
３、同５４−７７２０７のように、高炉を減尺操業し、
炉内壁を露出させた後、送風な休止して損耗部を補修す
るなどがある。For example, Japanese Patent Application Laid-Open No. 542620, which was previously proposed by the applicant
3. As in No. 54-77207, operate the blast furnace on a reduced scale,
After exposing the inner walls of the furnace, the ventilation is stopped and damaged parts are repaired.
しかしこの送風の休止（休風ともいう。However, this is called a cessation of air flow.
）時間は、可能な限り短時間で行なうのが高炉操業上好
ましい。) It is preferable in terms of blast furnace operation that the time is as short as possible.
本発明は、旋回シュート式装入装置を備えた高炉におい
て、短かい休風時間で高炉内壁耐火物の補修を行なう装
置を提供するものであって、旋回シュート式装入装置を
備えた高炉の装入装置部から吊り下げた吹付け装置に上
記旋回シュートに接触する槍を設けると共に、該吹付装
置の槍の背面側に該楊を上記旋回シュートに押圧する重
錘な設けたことを特徴とする旋回シュート式高炉の内壁
補修装置を要旨とするものである。The present invention provides a device for repairing refractories on the inner wall of a blast furnace in a short downtime in a blast furnace equipped with a rotating chute charging device. A spraying device suspended from the charging device section is provided with a spear that contacts the rotating chute, and a weight is provided on the back side of the spear of the spraying device to press the spear against the rotating chute. The gist is a device for repairing the inner wall of a rotating chute blast furnace.
旋回シュート式装入装置を備えた高炉はシュートの傾斜
が自在に変化できるようになっている。A blast furnace equipped with a rotating chute-type charging device is designed so that the inclination of the chute can be changed freely.
このシュートは、原料による摩耗がはげしいため、頻繁
に交換、あるいは内面ライナーの補強の必要があるため
近傍にシュート取替装置を常備し、マンホールを通じて
シュート交換ができるようになっている。This chute is subject to severe abrasion due to raw materials, so it needs to be replaced frequently or the inner liner needs to be reinforced.Therefore, a chute replacement device is always provided nearby, and the chute can be replaced through a manhole.
本発明は、上記旋回シュート式高炉の構造及び機能に着
目したもので、ほぼ垂直状に垂下させたシュートに、吹
付け装置に設けた橋を摺動可能なように沿わせ、更に吹
付け装置をシュートに安定して接触せしめるため吹付け
装置の楢の背面側に重錘を設け、該檜をシュートに押し
つげるようにし、炉内円周方向の補修に際しては、旋回
シュートの旋回装置を活用する。The present invention focuses on the structure and function of the above-mentioned rotating chute type blast furnace, and a bridge provided on a spraying device is slidably attached to a chute that hangs down almost vertically. In order to make stable contact with the chute, a weight is installed on the back side of the cypress of the spraying device, and the cypress is pressed against the chute.When repairing the circumferential direction inside the furnace, the rotating device of the swiveling chute is used. do.
かくして吹付け装置自体の旋回装置が省略でき軽量簡素
化がはかれる。In this way, the rotating device of the spraying device itself can be omitted, making it lightweight and simple.
取付け、取外しにあたっては上記旋回シュートの交換装
置により短時間で簡単に行なうことができる。Attachment and removal can be done easily and in a short time using the above-mentioned rotating chute exchange device.
以下、本発明を一実施例により具体的に説明する。Hereinafter, the present invention will be specifically explained using an example.
第１図は、本発明を説明するための概略断面図、第２図
は同図Ａ−Ａ断面図である。FIG. 1 is a schematic sectional view for explaining the present invention, and FIG. 2 is a sectional view taken along line AA in the same figure.
図において、１は高炉、２は原料装入用の旋回シュート
を示しており旋回シュート２は駆動装置（図示を省略）
により旋回及びシュートの傾斜を変えることができるよ
うになっている。In the figure, 1 is a blast furnace, 2 is a rotating chute for charging raw materials, and the rotating chute 2 is a drive device (not shown).
It is now possible to change the turning and chute inclination.
内壁補修装置は、吹付け装置３を旋回シュート取替装置
（図示省略）によりマンホール４から炉内に搬入し、ほ
ぼ垂直に垂下した旋回シュート２に当て、一方、上部マ
ンホール５からウインチ（図示省略）などに接続したワ
イヤー６を吊り下げ、吹付け装置３の取付具７に接続し
吹付け装置３をワイヤーに吊り下げる。In the inner wall repair device, a spraying device 3 is carried into the furnace through a manhole 4 using a rotating chute replacement device (not shown), and applied to a rotating chute 2 that hangs down almost vertically. ), etc., and connect it to the fixture 7 of the spraying device 3, and suspending the spraying device 3 from the wire.
その際橿８は、第２図に示すようにシュート２に嵌合す
るように当接し、更に重錘９が橿８をシュート２に押し
つけるように作用するので、楊８がシュート２から外れ
ることがない。At this time, the lever 8 comes into contact with the chute 2 so as to fit into it, as shown in FIG. There is no.
ここで１０は滑車を示している。Here, 10 indicates a pulley.
吹付け装置３は、上下方向に吹付け範囲を拡大するため
に継ぎ足し構造としておくことが好ましい。It is preferable that the spraying device 3 has a supplementary structure in order to expand the spraying range in the vertical direction.
また重錘９の重さを増減できるようにする。Also, the weight of the weight 9 can be increased or decreased.
このように構成する本発明は、高炉内壁耐火物１１の損
傷部１２に向けて、ウインチ及び旋回シュートを操作し
て、上下方向及び円周方向に吹付け装置３を移動させる
。In the present invention configured as described above, the spraying device 3 is moved in the vertical direction and the circumferential direction by operating the winch and the rotating chute toward the damaged part 12 of the blast furnace inner wall refractory 11.
耐火材の吹付けについては、ホース１３から耐火材を圧
縮空気とともに送り、ホース１４からは水を送り、ノズ
ル１５に到る間に両者を混合させ、ノズル１５先端から
適度に水分調節された耐火材を損傷個所１２に吹き付け
て内壁耐火物の補修を行なう。When spraying fireproofing material, the fireproofing material is sent from the hose 13 along with compressed air, water is sent from the hose 14, the two are mixed before reaching the nozzle 15, and the fireproofing material is sprayed from the tip of the nozzle 15 with the moisture adjusted appropriately. The inner wall refractories are repaired by spraying the material onto the damaged areas 12.
補修完了後は、旋回シュート取替機に・より短時間で簡
単に取外しができる。After the repair is completed, it can be easily removed in a shorter time using the rotating chute replacement machine.
以上のように、本発明は、旋回シュート式高炉の内壁補
修において、既設の旋回シュート及び旋回シュート取替
装置を有利に活用して、簡単な構造の吹付け機により、
単時間に内壁補修ができるものであり、高炉の炉命延長
及び炉況の安定に大きく貢献する発明である。As described above, the present invention advantageously utilizes the existing rotating chute and rotating chute replacement device to repair the inner wall of a rotating chute type blast furnace using a spraying machine with a simple structure.
This invention allows inner walls to be repaired in a short period of time, and greatly contributes to extending the life of a blast furnace and stabilizing the furnace condition.
第１図は、本発明を説明するための概略断面図、第２図
は、第１図のＡ−Ａ断面図である。
１・・・・・・高炉、２・・・・・・旋回シュート、３
・・・・・・吹付け装ｔ、４，５・・・・・・マンホー
ル、６・・・・・・ワイヤー８・・・・・・槍、９・・
・・・・重錘、１１・・・・・・内壁耐火物、１２・・
・・・・損傷部、１３・・・・・・耐火材供給ホース１
４・・・・・・水供給ホース １５・・・・・・ノズル
。FIG. 1 is a schematic sectional view for explaining the present invention, and FIG. 2 is a sectional view taken along line AA in FIG. 1... Blast furnace, 2... Rotating chute, 3
...Spraying equipment t, 4, 5...Manhole, 6...Wire 8...Spear, 9...
... Weight, 11 ... Inner wall refractory, 12 ...
...Damaged part, 13...Refractory material supply hose 1
4...Water supply hose 15...Nozzle.
Claims (1)
部から吊下げた吹付け装置に、上記旋回シュートに接触
する楢を設けると共に、該吹付け装置の槍の背面側に該
楢を上記旋回シュートに押圧する重錘な設けたことを特
徴とする旋回シュート式装入装置を備えた高炉の内壁補
修装置。1. A spraying device suspended from the charging device section of a blast furnace equipped with a rotating chute-type charging device is provided with an oak that contacts the rotating chute, and the oak is installed on the back side of the spear of the spraying device. A blast furnace inner wall repair device equipped with a rotating chute type charging device, characterized in that a weight is provided to press against the rotating chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16002079A JPS5849606B2 (en) | 1979-12-10 | 1979-12-10 | Blast furnace inner wall repair equipment equipped with a rotating chute charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16002079A JPS5849606B2 (en) | 1979-12-10 | 1979-12-10 | Blast furnace inner wall repair equipment equipped with a rotating chute charging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5684406A JPS5684406A (en) | 1981-07-09 |
| JPS5849606B2 true JPS5849606B2 (en) | 1983-11-05 |
Family
ID=15706232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16002079A Expired JPS5849606B2 (en) | 1979-12-10 | 1979-12-10 | Blast furnace inner wall repair equipment equipped with a rotating chute charging device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5849606B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0496715U (en) * | 1991-01-24 | 1992-08-21 |
-
1979
- 1979-12-10 JP JP16002079A patent/JPS5849606B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5684406A (en) | 1981-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3672649A (en) | Shaft or stack furnace and method and apparatus for lining same | |
| JPH07316614A (en) | Blast furnace inner wall repair device | |
| JPS5849606B2 (en) | Blast furnace inner wall repair equipment equipped with a rotating chute charging device | |
| US3911175A (en) | Method and a device for gunniting converter | |
| JPS5935557Y2 (en) | Blast furnace inner wall repair equipment equipped with a rotating chute charging device | |
| JPH0564204B2 (en) | ||
| JP2007155139A (en) | Production facilities for reduced iron | |
| CZ277959B6 (en) | Method of making bottoms of converters with tuyeres and apparatus for making the same | |
| KR101905765B1 (en) | Conservation apparatus of blast furnace wall | |
| US4376602A (en) | Method and equipment for removing packing coke from baking chambers for carbon bodies | |
| US4875662A (en) | Method and apparatus for relining blast furnace | |
| JPS584272B2 (en) | Fireproof lining spray repair equipment | |
| JPS6029585A (en) | Hot spray repairing device for refractory | |
| JPS649557B2 (en) | ||
| JPH068989Y2 (en) | Replacement device for inner wall cooling device of bellless blast furnace | |
| US3518330A (en) | Method for prolonging the life of the cone section of the refractory lining of a basic oxygen furnace of the kaldo type | |
| JP7135779B2 (en) | Work environment temperature reduction method when repairing a large bell | |
| JPS6043405B2 (en) | Blast furnace furnace wall deposit removal equipment | |
| JPS6028651Y2 (en) | Repair equipment for damaged blast furnace walls | |
| SU1236277A1 (en) | Pneumatic concrete gun | |
| JPS58123804A (en) | Method for relining wall of blast furnace | |
| SU582286A1 (en) | Device for desulfurizing slag melt | |
| JPS6018218B2 (en) | Internal lining devices for cylindrical structures or metallurgical equipment, etc. | |
| JPS6350631B2 (en) | ||
| JPS6330016Y2 (en) |