JPH06145731A - Method for charging raw material to blast furnace and device therefor - Google Patents
Method for charging raw material to blast furnace and device thereforInfo
- Publication number
- JPH06145731A JPH06145731A JP31793892A JP31793892A JPH06145731A JP H06145731 A JPH06145731 A JP H06145731A JP 31793892 A JP31793892 A JP 31793892A JP 31793892 A JP31793892 A JP 31793892A JP H06145731 A JPH06145731 A JP H06145731A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- raw material
- circumferential direction
- blast furnace
- blast
- 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.)
- Withdrawn
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture Of Iron (AREA)
- Blast Furnaces (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は高炉への原料装入方法及
び装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for charging raw materials into a blast furnace.
【０００２】[0002]
【従来の技術】従来、高炉への原料装入装置として、特
開平 4-36412号公報に記載の如く、原料を収容する複数
の炉頂バンカと、各炉頂バンカの出側に設けられて原料
を高炉内に分配して装入する旋回分配シュートとを有し
てなるものがある。2. Description of the Related Art Conventionally, as a raw material charging apparatus for a blast furnace, a plurality of furnace top bunkers for accommodating raw materials and a discharge side of each furnace top bunker have been provided as described in JP-A-4-36412. Some have a swirl distribution chute for distributing and charging the raw material into the blast furnace.
【０００３】[0003]
【発明が解決しようとする課題】然るに、従来技術で
は、２個以上の炉頂バンカが炉頂に並列配置されるた
め、炉中心部に位置する旋回分配シュートに対し、各炉
頂バンカが偏心配置されるものとなる。However, in the prior art, since two or more furnace top bunkers are arranged in parallel at the furnace top, each of the furnace top bunkers is eccentric with respect to the swirl distribution chute located in the center of the furnace. Will be placed.
【０００４】このため、バンカ排出方向と旋回分配シュ
ートの排出方向とが反対方向であるときの該シュート上
での原料滑走距離Ｌａと、バンカ排出方向と旋回分配シ
ュートの排出方向とが同一方向であるときの該シュート
上での原料滑走距離Ｌｂとは異なるものとなり、Ｌａ＞
Ｌｂである（図５参照）。そして、旋回分配シュートか
ら分配される原料の炉中心部からの到達距離は上述の原
料滑走距離が大なるほど大となる。For this reason, when the bunker discharging direction and the circling distribution chute discharging direction are opposite directions, the raw material sliding distance La on the chute and the bunker discharging direction and the circling distribution chute discharging direction are the same direction. The material running distance Lb on the chute at a certain time is different from that of La>
Lb (see FIG. 5). The arrival distance of the raw material distributed from the swirl distribution chute from the central portion of the furnace increases as the above-mentioned raw material sliding distance increases.
【０００５】従って、従来技術では、旋回分配シュート
が炉頂バンカの側にあるときには炉壁近くに多量の堆積
原料を生じ、旋回分配シュートが炉頂バンカの排出方向
と反対側にあるときには炉壁近くでの堆積原料は少量と
なる。Therefore, in the prior art, when the swirling distribution chute is on the side of the furnace top bunker, a large amount of deposited raw material is generated near the furnace wall, and when the swirling distribution chute is on the side opposite to the discharge direction of the furnace top bunker, The amount of deposited raw materials in the vicinity is small.
【０００６】このことは、炉頂バンカからの原料の排出
終了時に、炉円周方向での原料堆積状態、特に炉壁部分
での原料堆積状態が異なるものとなることを意味する。
そして、ここで重要なことは、炉壁部分での原料堆積状
態の不均一であり、この不均一によって炉内通気性が変
わり、炉内のガス流分布中、特に周辺ガス流の異常を生
ずる結果、いわゆる荷下がり異常、壁付き等、炉況異常
を誘発するものとなる。This means that at the end of the discharge of the raw material from the furnace top bunker, the raw material deposition state in the furnace circumferential direction, particularly the raw material deposition state in the furnace wall portion, becomes different.
What is important here is the non-uniformity of the raw material deposition state on the furnace wall, and this non-uniformity changes the gas permeability in the furnace, causing abnormalities in the gas flow distribution in the furnace, especially in the peripheral gas flow. As a result, a so-called unloading abnormality, a wall attached, etc. will induce an abnormal furnace condition.
【０００７】尚、炉円周方向での原料堆積状態の変動を
改善するための従来技術として、炉頂バンカの排出ゲー
トの開度制御、旋回分配シュートの旋回速度制御を行な
うものも提案されているが、十分ではない。As a conventional technique for improving the fluctuation of the raw material deposition state in the circumferential direction of the furnace, there has been proposed a method of controlling the opening degree of the discharge gate of the furnace top bunker and the swirling speed of the swirling distribution chute. Yes, but not enough.
【０００８】本発明は、炉内円周方向での原料堆積状態
の均一化を図ることを目的とする。An object of the present invention is to make the raw material deposition state uniform in the circumferential direction of the furnace.
【０００９】[0009]
【課題を解決するための手段】請求項１に記載の本発明
は、複数の炉頂バンカのそれぞれに原料を収容し、各炉
頂バンカ内の原料を旋回分配シュートによって高炉内円
周方向に分配して装入する、高炉への原料装入方法にお
いて、高炉内炉頂部の円周方向の複数位置のそれぞれに
配置した各原料掻き均し具により、高炉内円周方向の各
位置で、炉壁側の堆積原料を炉中心方向へ押し出し、炉
壁側の堆積原料を平坦化するようにしたものである。According to the present invention as set forth in claim 1, the raw materials are accommodated in a plurality of furnace top bunkers respectively, and the raw materials in the respective furnace top bunkers are circumferentially distributed in the blast furnace by a swirling distribution chute. Distributing and charging, in the raw material charging method to the blast furnace, by each raw material leveling tool arranged at each of a plurality of circumferential positions of the furnace top of the blast furnace, at each position in the blast furnace circumferential direction, The deposition material on the furnace wall side is pushed toward the center of the furnace to flatten the deposition material on the furnace wall side.
【００１０】請求項２に記載の本発明は、原料を収容す
る複数の炉頂バンカと、各炉頂バンカの出側に設けられ
て原料を高炉内に分配して装入する旋回分配シュートと
を有してなる高炉への原料装入装置において、高炉内炉
頂部の円周方向の複数位置のそれぞれに配置され、炉半
径方向に往復動されて炉壁側の堆積原料を炉中心方向へ
押し出し可能とする各原料掻き均し具と、各原料掻き均
し具を駆動制御し、高炉内の円周方向の各位置で、炉壁
側の堆積原料を平坦化せしめる制御部とを有してなるよ
うにしたものである。According to a second aspect of the present invention, there are provided a plurality of furnace top bunkers for accommodating the raw materials, and a swirl distribution chute for distributing the raw materials into the blast furnace and charging the raw materials into the blast furnace. In the raw material charging device to the blast furnace, each of which is arranged at each of a plurality of positions in the circumferential direction of the furnace top in the blast furnace, and is reciprocated in the furnace radial direction to move the deposited raw material on the furnace wall side toward the furnace center direction. It has each raw material leveling tool that can be extruded, and a control unit that drives and controls each raw material leveling tool and flattens the deposited raw material on the furnace wall side at each position in the circumferential direction inside the blast furnace. It is designed to be
【００１１】[0011]
【作用】 高炉内炉頂部の円周方向の複数位置のそれぞれに設け
た各原料掻き均し具により、高炉内の円周方向各位置
で、炉壁側の堆積原料を炉中心方向へ押し出し、炉壁部
分に形成される原料平坦部（テラス部）を掻き均すこと
によって所定量に維持するものとなる。従って、炉円周
方向での原料堆積状態、特に炉壁部分での原料堆積状態
を均一化できる。これにより、炉内通気性を一定に確保
し、炉内のガス流分布の異常を生ずることなく、炉況の
正常を維持できる。[Operation] With each raw material leveling tool provided at each of a plurality of circumferential positions at the top of the furnace in the blast furnace, the deposited raw material on the furnace wall side is pushed toward the center of the furnace at each circumferential position in the blast furnace, The raw material flat portion (terrace portion) formed on the furnace wall portion is scratched and leveled to maintain a predetermined amount. Therefore, the raw material deposition state in the furnace circumferential direction, particularly the raw material deposition state in the furnace wall portion can be made uniform. As a result, the air permeability in the furnace can be kept constant, and the normal furnace condition can be maintained without causing an abnormal gas flow distribution in the furnace.
【００１２】尚、原料掻き出し具の操作方法は下記
(a) 〜(c) 等のいずれかによることができる。The operation method of the raw material scraping tool is as follows.
It can be based on any of (a) to (c).
【００１３】(a) 炉頂バンカの使用順を切換え、炉頂バ
ンカの配置に起因する炉内円周方向での原料堆積状態の
偏差を解消させつつ原料装入する場合、使用中の炉頂バ
ンカ直下の原料掻き均し具を作動させて原料平坦部を掻
き均す方法。(A) When charging the raw material while changing the order of use of the top bunker and eliminating the deviation of the raw material accumulation state in the circumferential direction of the furnace due to the arrangement of the top bunker, when the raw material is charged A method of scraping and leveling the flat part of the raw material by operating the raw material leveling tool directly under the bunker.
【００１４】(b) 炉量バンカの使用順を切換え、炉頂バ
ンカの配置に起因する炉内円周方向での原料堆積状態の
偏差を解消させつつ原料装入する場合、使用中の炉頂バ
ンカ直下の原料掻き均し具を作動させて原料平坦部を掻
きならす他、その両側に位置する原料掻き均し具を作動
させて、炉内円周方向での局部的な原料堆積状態の偏差
を解消する方法。(B) When the raw material is charged while changing the order of use of the furnace amount bunker and eliminating the deviation of the raw material accumulation state in the furnace circumferential direction due to the arrangement of the furnace top bunker, the furnace top in use In addition to activating the raw material leveling tool just below the bunker to scratch the flat part of the raw material, the raw material leveling tools located on both sides of the bunker are also activated to locally deviate the raw material deposition state in the circumferential direction of the furnace. How to eliminate.
【００１５】(c) 原料掻き均し具を一斉に作動させて、
炉内円周方向各部で原料平坦部を掻き均す方法。(C) The raw material scraping and leveling tools are operated all at once,
A method in which the flat parts of the raw material are scraped evenly in the circumferential direction of the furnace.
【００１６】[0016]
【実施例】図１は本発明の一実施例を示す模式図、図２
は炉頂バンカ位置に対する原料掻き均し具の配置を示す
模式図、図３は原料掻き均し具の作動態様の一例を示す
模式図、図４は炉頂部での炉壁温度を示す模式図、図５
は旋回分配シュートでの原料の流れを示す模式図であ
る。1 is a schematic view showing an embodiment of the present invention, FIG.
Is a schematic view showing the arrangement of the raw material leveling tool with respect to the furnace top bunker position, FIG. 3 is a schematic diagram showing an example of the operating mode of the raw material leveling tool, and FIG. 4 is a schematic diagram showing the furnace wall temperature at the furnace top. , Fig. 5
[Fig. 3] is a schematic view showing a flow of raw materials in a swirl distribution chute.
【００１７】原料装入装置１０は、図１に示す如く、原
料を収容する３個の炉頂バンカ１１Ａ、１１Ｂ、１１Ｃ
と、各バンカ１１Ａ、１１Ｂ、１１Ｃの出側に設けられ
て原料の排出流量を調整する流量調整ゲート１２Ａ、１
２Ｂ、１２Ｃと、流量調整ゲート１２Ａ、１２Ｂ、１２
Ｃの出側に設けられて原料を高炉１内に分配して装入す
る旋回分配シュート１３とを有している。As shown in FIG. 1, the raw material charging device 10 includes three furnace top bunkers 11A, 11B and 11C for accommodating raw materials.
And flow rate adjusting gates 12A, 1A provided on the outlet side of each bunker 11A, 11B, 11C for adjusting the discharge flow rate of the raw material.
2B, 12C and flow rate adjusting gates 12A, 12B, 12
It has a swirl distribution chute 13 which is provided on the outlet side of C and distributes and charges the raw material into the blast furnace 1.
【００１８】１４Ａ、１４Ｂ、１４Ｃはゲート開閉駆動
装置、１５はシュート旋回駆動装置である。Reference numerals 14A, 14B and 14C are gate opening / closing drive devices, and 15 is a chute turning drive device.
【００１９】即ち、原料装入装置１０は、炉頂バンカ１
１Ａ、１１Ｂ、１１Ｃのそれぞれに原料を収容し、各バ
ンカ１１Ａ、１１Ｂ、１１Ｃ内の原料を流量調整ゲート
１２Ａ、１２Ｂ、１２Ｃを介して排出した後、旋回分配
シュート１３によって高炉１内に分配して装入するもの
である。That is, the raw material charging device 10 comprises the furnace top bunker 1
1A, 11B and 11C each contain a raw material, and the raw materials in each bunker 11A, 11B and 11C are discharged through the flow rate adjusting gates 12A, 12B and 12C and then distributed into the blast furnace 1 by the swirl distribution chute 13. Is to be charged.
【００２０】尚、旋回分配シュート１３は鉛直線に対し
て所定の傾動角θを確保しながら所定の旋回速度Ｖで旋
回する。このシュート１３の傾動角θはシュート１３の
旋回に伴って段階的に小さくなり、原料の炉内への均一
分配を図る。The turning distribution chute 13 turns at a predetermined turning speed V while maintaining a predetermined tilt angle θ with respect to the vertical line. The tilt angle θ of the chute 13 gradually decreases as the chute 13 turns, so that the raw material is uniformly distributed in the furnace.
【００２１】然るに、原料装入装置１０は、高炉１内の
炉頂部の円周方向の複数位置（本実施例では５位置）の
それぞれに、図１、図２に示す如く、板状の原料掻き均
し具２１〜２５を配置している。各原料掻き均し具２１
〜２５は、対応する掻き均し具駆動装置２１Ａ〜２５Ａ
により炉半径方向に往復動されて炉壁側の堆積原料を炉
中心方向へ押し出し可能とする。Therefore, the raw material charging device 10 is provided with a plate-shaped raw material as shown in FIGS. 1 and 2 at each of a plurality of circumferential positions (five positions in this embodiment) of the furnace top in the blast furnace 1. The scraping leveling tools 21 to 25 are arranged. Each raw material leveling tool 21
-25 are the corresponding leveling tool driving devices 21A to 25A.
The reciprocating motion of the furnace allows the deposited material on the furnace wall side to be pushed out toward the center of the furnace.
【００２２】また、原料装入装置１０は、制御装置３０
を有している。制御装置３０は、各原料掻き均し具２１
〜２５の駆動装置２１Ａ〜２５Ａを制御し、高炉１内の
円周方向の各位置で、炉壁側の堆積原料を平坦化せしめ
る。Further, the raw material charging device 10 is provided with a control device 30.
have. The control device 30 controls each raw material leveling tool 21.
-25 drive devices 21A to 25A are controlled to flatten the deposited raw material on the furnace wall side at each position in the blast furnace 1 in the circumferential direction.
【００２３】制御装置３０による制御手順は、例えば以
下の如くである。 (1) 炉頂バンカ１１Ａからの原料の排出を開始し、終了
した後、炉頂バンカ１１Ａの直下の原料掻き均し具２１
を押し出し量Ｌ１だけ作動させる（図３（Ａ）参照）。The control procedure by the controller 30 is as follows, for example. (1) Starting and ending the discharge of the raw material from the furnace top bunker 11A, and then the raw material scraping tool 21 just below the furnace top bunker 11A.
Is operated by the pushing amount L1 (see FIG. 3 (A)).
【００２４】(2) 次に、原料掻き均し具２１の両側の原
料掻き均し具２２、２３を押し出し量Ｌ２、Ｌ３（Ｌ２
＝Ｌ３＜Ｌ１）だけ作動させる（図３（Ｂ）参照）。(2) Next, push out the raw material scraping tools 22, 23 on both sides of the raw material scraping tool 21 by the amounts L2, L3 (L2).
= L3 <L1) (see FIG. 3B).
【００２５】(3) 次に、原料掻き均し具２２、２３の両
側の原料掻き均し具２４、２５を押し出し量Ｌ４、Ｌ５
（Ｌ４＝Ｌ５＜Ｌ２）だけ作動させる（図３（Ｃ）参
照）。(3) Next, extruding amounts L4 and L5 of the raw material leveling tools 24 and 25 on both sides of the raw material leveling tools 22 and 23, respectively.
Only (L4 = L5 <L2) is operated (see FIG. 3 (C)).
【００２６】(4) 次に、原料掻き均し具２１の反対側の
原料掻き均し具２６を押し出し量Ｌ６（Ｌ６＜Ｌ４）だ
け作動させる（図３（Ｄ）参照）。(4) Next, the raw material scraping tool 26 on the opposite side of the raw material scraping tool 21 is operated by the extrusion amount L6 (L6 <L4) (see FIG. 3 (D)).
【００２７】炉頂バンカ１１Ａから原料を排出した場
合、前述したように、炉頂バンカ１１Ａ直下の炉内炉壁
近くに多量の堆積原料を生ずる傾向があり、このため、
炉頂バンカ１１Ａの直下の原料掻き均し具２１を最も大
きく押し出すことで、炉内円周方向での原料堆積状態の
均一を図るものである。このとき、炉壁部分に形成され
る原料平坦部（テラス部）の長さは、炉内円周方向で略
均等となる。When the raw material is discharged from the furnace top bunker 11A, as described above, there is a tendency that a large amount of deposited raw material is generated near the furnace wall inside the furnace just below the furnace top bunker 11A.
By maximally pushing out the raw material scraping / equalizing tool 21 just below the furnace top bunker 11A, the state of raw material deposition in the circumferential direction of the furnace is made uniform. At this time, the length of the raw material flat portion (terrace portion) formed on the furnace wall portion is substantially equal in the circumferential direction of the furnace.
【００２８】他の炉頂バンカ１１Ｂ、１１Ｃから原料を
排出した場合にも、上記(1) 〜(4)と実質的に同様のこ
とを行なえば良い。これにより、原料装入装置１０の全
体として、炉内円周方向での原料堆積状態の均一を実現
できる。When the raw materials are discharged from the other furnace top bunkers 11B and 11C, substantially the same operations as the above (1) to (4) may be performed. As a result, as a whole of the raw material charging device 10, it is possible to realize a uniform raw material deposition state in the circumferential direction of the furnace.
【００２９】以下、本実施例の作用について説明する。
高炉１内炉頂部の円周方向の複数位置のそれぞれに設け
た各原料掻き均し具２１〜２５により、高炉１内の円周
方向各位置で、炉壁側の堆積原料を炉中心方向へ押し出
し、炉壁部分に形成される原料平坦部（テラス部）を掻
き均すことによって所定量に維持するものとなる。従っ
て、円周方向での原料堆積状態、炉特に炉壁部分での原
料堆積状態を均一化できる。これにより、炉内通気性を
一定に確保し、炉内のガス流分布の異常を生ずることな
く、炉況の正常を維持できる。The operation of this embodiment will be described below.
By means of the respective raw material leveling tools 21 to 25 provided at a plurality of positions in the circumferential direction at the top of the furnace in the blast furnace 1, the raw materials deposited on the furnace wall side are moved toward the center of the furnace at the respective circumferential positions in the blast furnace 1. The flat portion (terrace portion) of the raw material that is extruded and formed on the furnace wall portion is scraped and leveled to maintain a predetermined amount. Therefore, the raw material deposition state in the circumferential direction, that is, the raw material deposition state in the furnace, particularly in the furnace wall, can be made uniform. As a result, the air permeability in the furnace can be kept constant, and the normal furnace condition can be maintained without causing an abnormal gas flow distribution in the furnace.
【００３０】図４は、炉頂部での炉壁温度の炉内円周方
向分布を示すものである。本発明の原料掻き均し具を用
いた本発明方法によれば、原料掻き均し具を用いない従
来方法に比して、炉内円周方向での炉壁温度をより均一
化できることが認められる。これは、本発明の実施によ
り、炉内円周方向での原料堆積状態の均一化が達成でき
ていることを示すものである。FIG. 4 shows the distribution of the furnace wall temperature at the furnace top in the circumferential direction of the furnace. According to the method of the present invention using the raw material leveling tool of the present invention, it is recognized that the furnace wall temperature in the circumferential direction of the furnace can be made more uniform as compared with the conventional method which does not use the raw material leveling tool. To be This indicates that the practice of the present invention has made it possible to achieve uniform material deposition in the circumferential direction of the furnace.
【００３１】尚、本発明は、原料掻き均し具の作動制御
により、例えば炉壁部が局部的に損耗しているような高
炉での原料装入分布制御にも用いることができる。The present invention can also be used for controlling the distribution of raw material charging in a blast furnace in which the furnace wall is locally worn by controlling the operation of the raw material leveling tool.
【００３２】[0032]
【発明の効果】以上のように本発明によれば、炉内円周
方向での原料堆積状態の均一化を図ることができる。As described above, according to the present invention, it is possible to make the material deposition state uniform in the circumferential direction of the furnace.
【図１】図１は本発明の一実施例を示す模式図である。FIG. 1 is a schematic view showing an embodiment of the present invention.
【図２】図２は炉頂バンカ位置に対する原料掻き均し具
の配置を示す模式図である。FIG. 2 is a schematic diagram showing an arrangement of a material scraping and leveling tool with respect to a furnace top bunker position.
【図３】図３は原料掻き均し具の作動態様の一例を示す
模式図である。FIG. 3 is a schematic view showing an example of an operating mode of a raw material scraping and leveling tool.
【図４】図４は炉頂部での炉壁温度を示す模式図であ
る。FIG. 4 is a schematic diagram showing a furnace wall temperature at the furnace top.
【図５】図５は旋回分配シュートでの原料の流れを示す
模式図である。FIG. 5 is a schematic diagram showing a flow of raw materials in a swirl distribution chute.
１ 高炉 １０ 原料装入装置 １１Ａ〜１１Ｃ 炉頂バンカ １３ 旋回分配シュート ２１〜２５ 原料掻き均し具 1 Blast Furnace 10 Raw Material Charging Device 11A to 11C Top Bunker 13 Swiveling Distribution Chute 21 to 25 Raw Material Scraping Tool
Claims (2)
容し、各炉頂バンカ内の原料を旋回分配シュートによっ
て高炉内円周方向に分配して装入する、高炉への原料装
入方法において、 高炉内炉頂部の円周方向の複数位置のそれぞれに配置し
た各原料掻き均し具により、高炉内円周方向の各位置
で、炉壁側の堆積原料を炉中心方向へ押し出し、炉壁側
の堆積原料を平坦化することを特徴とする高炉への原料
装入方法。1. A method for charging a raw material into a blast furnace, wherein a raw material is accommodated in each of a plurality of furnace top bunkers, and the raw material in each furnace top bunker is distributed in a circumferential direction in a blast furnace by a swirling distribution chute and charged. In, in the blast furnace, the raw material scraping and arranging tools arranged at a plurality of positions in the circumferential direction at the top of the furnace are used to push the raw materials deposited on the furnace wall side toward the center of the furnace at each position in the circumferential direction in the blast furnace. A method for charging a raw material into a blast furnace, which comprises flattening a deposited raw material on a wall side.
炉頂バンカの出側に設けられて原料を高炉内に分配して
装入する旋回分配シュートとを有してなる高炉への原料
装入装置において、 高炉内炉頂部の円周方向の複数位置のそれぞれに配置さ
れ、炉半径方向に往復動されて炉壁側の堆積原料を炉中
心方向へ押し出し可能とする各原料掻き均し具と、 各原料掻き均し具を駆動制御し、高炉内の円周方向の各
位置で、炉壁側の堆積原料を平坦化せしめる制御部とを
有してなることを特徴とする高炉への原料装入装置。2. A blast furnace comprising: a plurality of furnace top bunker for containing a raw material; and a swirl distribution chute for distributing and charging the raw material into the blast furnace, which is provided on the outlet side of each furnace top bunker. In the raw material charging device, the raw material is placed at each of a plurality of positions in the circumferential direction at the top of the furnace in the blast furnace and reciprocated in the radial direction of the furnace so that the raw material deposited on the furnace wall side can be extruded toward the center of the furnace. A blast furnace, and a control unit for driving and controlling each raw material scraping / equalizing tool and flattening the deposited raw material on the furnace wall side at each position in the circumferential direction in the blast furnace. Raw material charging equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31793892A JPH06145731A (en) | 1992-11-04 | 1992-11-04 | Method for charging raw material to blast furnace and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31793892A JPH06145731A (en) | 1992-11-04 | 1992-11-04 | Method for charging raw material to blast furnace and device therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06145731A true JPH06145731A (en) | 1994-05-27 |
Family
ID=18093701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31793892A Withdrawn JPH06145731A (en) | 1992-11-04 | 1992-11-04 | Method for charging raw material to blast furnace and device therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06145731A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6580744B1 (en) * | 1999-06-25 | 2003-06-17 | Zimmermann & Jansen Gmbh | Feed device for a shaft furnace |
| US8034157B2 (en) * | 2005-10-24 | 2011-10-11 | Siemens Vai Metals Technologies Gmbh | Method and device for charging feedstock |
| US8092136B2 (en) * | 2006-01-20 | 2012-01-10 | Paul Wurth S.A. | Multiple hopper charging installation for a shaft furnace |
| US8152430B2 (en) | 2006-01-20 | 2012-04-10 | Paul Wurth S.A. | Three hopper charging installation for a shaft furnace |
-
1992
- 1992-11-04 JP JP31793892A patent/JPH06145731A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6580744B1 (en) * | 1999-06-25 | 2003-06-17 | Zimmermann & Jansen Gmbh | Feed device for a shaft furnace |
| US8034157B2 (en) * | 2005-10-24 | 2011-10-11 | Siemens Vai Metals Technologies Gmbh | Method and device for charging feedstock |
| US8092136B2 (en) * | 2006-01-20 | 2012-01-10 | Paul Wurth S.A. | Multiple hopper charging installation for a shaft furnace |
| US8152430B2 (en) | 2006-01-20 | 2012-04-10 | Paul Wurth S.A. | Three hopper charging installation for a shaft furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20000104 |