JPH0234711A - Chute driving mechanism in raw material charging apparatus in blast furnace - Google Patents
Chute driving mechanism in raw material charging apparatus in blast furnaceInfo
- Publication number
- JPH0234711A JPH0234711A JP18254488A JP18254488A JPH0234711A JP H0234711 A JPH0234711 A JP H0234711A JP 18254488 A JP18254488 A JP 18254488A JP 18254488 A JP18254488 A JP 18254488A JP H0234711 A JPH0234711 A JP H0234711A
- Authority
- JP
- Japan
- Prior art keywords
- chute
- raw material
- blast furnace
- material charging
- attached
- 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
- 239000002994 raw material Substances 0.000 title claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、ベルレス式高炉における原料装入装置の駆動
機構に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a drive mechanism for a raw material charging device in a bellless blast furnace.
ベルレス式高炉の原料装入装置としては、例えば高炉炉
心部に設けた垂直シュートの下部から半径方向下方に突
出する装入シュートを取付け、さらにその先端部には傾
動可能とした下部シュートを設けた構造とし、炉心軸を
中心としてシュート全体を旋回させながら下部シュート
を炉の半径方向に傾動させて、原料を炉内の所定の位置
に装入するようになっている。A material charging device for a bellless blast furnace is, for example, a charging chute that protrudes radially downward from the bottom of a vertical chute provided in the core of the blast furnace, and a lower chute that is tiltable is provided at the tip of the chute. The structure is such that the entire chute is rotated around the reactor core axis while the lower chute is tilted in the radial direction of the furnace to charge raw materials into a predetermined position within the furnace.
これらシュートを旋回および傾動させる駆動機構として
は、例えば特公昭５５−３７５６４号、５６−３１３２
２号等の公報に開示された技術がある。As a drive mechanism for turning and tilting these chutes, examples include Japanese Patent Publication Nos. 55-37564 and 56-3132.
There is a technique disclosed in publications such as No. 2.
これら公報に開示された駆動装置は、第２図に示すごと
く炉口内に回転円板５１を材料人口５２に対して同心状
に装着して、原料の供給および分布装置はこの回転円板
５１の下側に懸垂させ、回転円板５１の上側には該円板
の回転に関係なく回転しうるように有歯ホイール５３を
装着し、さらに回転円盤を貫通してその中に回転可能に
装着されて有歯ホイール５３によって駆動される軸装置
れら回転円盤５１．有歯ホイール５２および軸装置５４
にそれぞれ独立した回転運動を与えるように主駆動モー
ター５６および伝達装置５７を設けた構造とするもので
ある。In the drive devices disclosed in these publications, a rotating disk 51 is installed in the furnace mouth concentrically with respect to the material population 52, as shown in FIG. A toothed wheel 53 is mounted on the upper side of the rotating disk 51 so as to be able to rotate regardless of the rotation of the rotating disk, and is further mounted rotatably through the rotating disk. A rotating disk 51 .A shaft device driven by a toothed wheel 53 . Toothed wheel 52 and shaft device 54
The structure is such that a main drive motor 56 and a transmission device 57 are provided so as to provide independent rotational movements to the two.
ところでこのような従来の駆動装置は、回転円板上に有
歯ホイールを設けるようにしているうえに、伝達装置に
よって回転円盤、有歯ホイール。By the way, such a conventional drive device has a toothed wheel provided on a rotating disk, and also has a transmission device that connects the rotating disk and the toothed wheel.
軸装置をそれぞれ独立に回転運動を与えるようにするな
ど、機械的伝達機構が複雑となり、設計。The mechanical transmission mechanism was complicated and designed so that each shaft device was given rotational motion independently.
製作ならびに稼動後の設備保全に多くの手数と費用を必
要とし、従来から構造の簡素化が望まれていた。Manufacturing and maintenance of the equipment after operation requires a lot of effort and expense, and it has long been desired to simplify the structure.
本発明は上記問題点に鑑みなされたもので、簡素化を図
った原料装入装置の駆動機構を提供する。The present invention has been made in view of the above problems, and provides a simplified drive mechanism for a raw material charging device.
本発明は、ベルレス式高炉の炉心部に旋回可能に設けた
垂直シュートの下部から半径方向下方に突出する装入シ
ュートを取付け、さらにその先端部に傾動可能とした下
部シュートを取付けた原料装入装置において、前記垂直
シュートの外周に旋回ロバロと、該シュートの軸心部に
縦通ずる伝達軸を取付け、旋回モータから差動減速機を
介して旋回ロバロを回転しシュートを旋回させる旋回機
構と、傾動モータから前記差動減速機を介して伝達軸を
駆動し、伝達軸の下部に取付けた傾動ギヤにより下部シ
ュートを傾動させる傾動機構とを設けたことを特徴とす
る高炉原料装入装置のシュート駆動機構である。The present invention provides a raw material charging system in which a charging chute that protrudes radially downward from the bottom of a vertical chute that is rotatably provided in the core of a bell-less blast furnace is attached, and a lower chute that is tiltable is attached to the tip of the chute. In the apparatus, a swinging Robaro is attached to the outer periphery of the vertical chute, and a transmission shaft that runs vertically through the axis of the chute is attached, and a swinging mechanism that rotates the swinging Robaro from a swing motor via a differential reduction gear to rotate the chute; A chute for a blast furnace raw material charging device, characterized in that it is provided with a tilting mechanism that drives a transmission shaft from a tilting motor via the differential reducer and tilts a lower chute by a tilting gear attached to a lower part of the transmission shaft. It is a drive mechanism.
本発明の装入装置のシュートは、炉心部に設けた垂直シ
ュートで原料を受は入れ、偏心した位置に設置される下
部シュートから原料を炉内に装入するサイドフィードで
あることから、本発明においては垂直シュートの軸心部
に傾動用の伝達軸を配置して簡易な傾動機構をもつ構成
としたもので、旋回動作は垂直シュートの外周に取付け
た旋回ロバロを介して、炉外に設置した旋回モータから
伝達される。また下部シュートの傾動動作は伝達軸を介
して炉外に設置した傾動モータから伝達され、この出力
は差動減速機により旋回動作とは独立して駆動されるよ
うになっており、伝達軸の下部に取付けた傾動ギヤを作
動させる。このように旋回および傾動を適時おこなって
炉内の所定の位置に原料を装入する。The chute of the charging device of the present invention is a side feed type in which the raw material is received by a vertical chute installed in the core, and the raw material is charged into the furnace from the lower chute installed at an eccentric position. In the invention, a transmission shaft for tilting is arranged at the center of the axis of the vertical chute to provide a simple tilting mechanism, and the rotating movement is carried out outside the furnace via a rotating robot attached to the outer periphery of the vertical chute. It is transmitted from the installed swing motor. In addition, the tilting motion of the lower chute is transmitted from a tilting motor installed outside the furnace via a transmission shaft, and this output is driven independently of the swinging motion by a differential reducer. Activate the tilting gear attached to the bottom. In this manner, the material is charged into a predetermined position in the furnace by rotating and tilting at appropriate times.
本発明の一実施例を図面に基づいて説明する。 An embodiment of the present invention will be described based on the drawings.
第１図はベルレス式高炉の原料装入装置におけるシュー
ト駆動機構を示す斜視図である。FIG. 1 is a perspective view showing a chute drive mechanism in a material charging device for a bellless blast furnace.
この原料装入装置のシュート構造は、先ず炉心部に旋回
可能に垂直シュート１が設けられ、その下端部からは半
径方向に突出する装入シュート２が取付けられる。さら
にその先端部には３段からなる下部シュート３が取付け
られ、第１段のシュｈ３ａは半径方向に対して直角にか
つ所定の傾斜角（傾斜軸２２）を有しており、そのほぼ
中央位置付近では２分割されて、下側シュートは傾斜軸
２２まわりに回転可能となっている。第１段のシュート
３ａを傾斜軸２２まわりに回転することによって第２段
および第３段のシュート３ｂ。In the chute structure of this raw material charging device, first, a vertical chute 1 is rotatably provided in the reactor core, and a charging chute 2 protruding in the radial direction is attached from the lower end of the vertical chute 1. Furthermore, a lower chute 3 consisting of three stages is attached to its tip, and the first stage chute h3a is perpendicular to the radial direction and has a predetermined inclination angle (inclination axis 22), and is approximately at the center thereof. It is divided into two parts near the position, and the lower chute is rotatable around the tilting shaft 22. By rotating the first stage chute 3a around the tilting shaft 22, the second and third stage chutes 3b are formed.
３ｃは炉の半径方向２３に傾動（揺動）し、垂直シュー
ト１の旋回と相俟って３段シュート３Ｃは炉内の任意の
位置に原料の装入が可能となる。3c tilts (swings) in the radial direction 23 of the furnace, and in combination with the rotation of the vertical chute 1, the three-stage chute 3C allows raw material to be charged at any position within the furnace.
駆動機構は、垂直シュート１の外周に旋回ロハロ１１と
、さらに垂直シュート１の軸心部を縦通ずる傾動用の伝
達軸１２が取付けられており、このうち旋回機構は、炉
外に設置した旋回モータ１３から差動減速機１４および
歯車１５ａ、１５ｂを介して旋回ロバロ１１を旋回駆動
し、シュート構造全体を旋回する。また傾動機構は、同
様に炉外に設置した傾動モーター１６から差動減速機１
４および歯車１７ａ〜１７ｄを介して先ず伝達軸１２を
回転駆動する。ついで垂直シュート１を縦通した下部に
設けられた傘型歯車１８を介して、伝達軸１２の回転は
前記第１段のシュート３ａに取付けられたウオーム歯車
１９に伝えられ、第１段のシュート３ａに回転力を与え
て下部シュート３を（引動する。The drive mechanism includes a rotating rotor 11 attached to the outer periphery of the vertical chute 1, and a tilting transmission shaft 12 that runs vertically through the axis of the vertical chute 1. The swinging robot 11 is driven to swing from the motor 13 via the differential reducer 14 and the gears 15a and 15b, and the entire chute structure is turned. The tilting mechanism also connects a tilting motor 16 installed outside the furnace to a differential reducer 1.
4 and gears 17a to 17d, first, the transmission shaft 12 is rotationally driven. The rotation of the transmission shaft 12 is then transmitted to the worm gear 19 attached to the first-stage chute 3a through the bevel-shaped gear 18 provided at the bottom that passes vertically through the vertical chute 1. Apply rotational force to 3a to move the lower chute 3.
なお２０は差動減速機に取付けた位置検出器。Note that 20 is a position detector attached to the differential reducer.
２１は回転円板である。21 is a rotating disk.
以上の如く構成されており、シュート構造の旋回動作は
旋回ロバロ１１を介して旋回モータ１３から伝達され、
また傾動動作は伝達軸１２を介して傾動モータ１６から
伝達され、これらの出力は差動減速機１４によりそれぞ
れ独立して駆動されるようになっている。このようにし
てシュートを旋回および傾動させて炉内の所定値１に原
料を装入する。With the structure as described above, the swinging motion of the chute structure is transmitted from the swinging motor 13 via the swinging robot 11.
Further, the tilting motion is transmitted from the tilting motor 16 via the transmission shaft 12, and these outputs are each independently driven by the differential reducer 14. In this manner, the chute is rotated and tilted to charge the raw material to a predetermined value 1 in the furnace.
〔発明の効果］
以上説明した如く本発明に係るシュート駆動機構は、回
転円板上に設ける有歯ホイール等が不用になる他、動力
伝達の歯車構造が簡略化され、特に伝達軸を垂直シュー
ト内を縦通させる構造とするなど傾動機構の簡易化が図
られるように、充分に原料装入の機能を果すものであり
、従って、設計、製作が容易となり、また設備保全にも
手数を要せず、設備費および操業費の低減を図ることが
できる。[Effects of the Invention] As explained above, the chute drive mechanism according to the present invention eliminates the need for a toothed wheel provided on the rotating disk, and simplifies the gear structure for power transmission. As the tilting mechanism is simplified by having a structure in which the inside runs vertically, the function of charging the raw material is sufficiently performed, and therefore the design and manufacture are easy, and equipment maintenance requires no effort. Therefore, equipment costs and operating costs can be reduced.
第１図は本発明の一実施例であるシュート駆動機構を示
す斜視図、第２図は従来の駆動機構の一例を示す斜視図
である。
１・・・垂直シュート、２・・・装入シュート、３・・
・下部シュート、３ａ、３ｂ、３ｃ・・・３段にわけら
れた下部シュート、１１・・・旋回 ロバロ、１２・・
・伝達軸、１３・・・旋回モータ、１４・・・差動減速
機、１６−・・傾動モータ、１５ａ、１５ｂ、１７ａ
〜１７ｄ、１８．１９・・・歯車、２０・・・差動減速
機、２１・・・回転円板、２２・・・傾斜軸、２３・・
・下部シュートの炉中心から炉壁までの半径方向傾動（
揺動）範囲。
代理人 弁理士 秋 沢 政 光
他１名
７′ｉ１図
第２図FIG. 1 is a perspective view showing a chute drive mechanism according to an embodiment of the present invention, and FIG. 2 is a perspective view showing an example of a conventional drive mechanism. 1...Vertical chute, 2...Charging chute, 3...
・Lower chute, 3a, 3b, 3c...Lower chute divided into 3 stages, 11...Rotating Robaro, 12...
・Transmission shaft, 13...Swivel motor, 14...Differential reduction gear, 16-...Tilt motor, 15a, 15b, 17a
~17d, 18.19... Gear, 20... Differential reducer, 21... Rotating disk, 22... Inclined shaft, 23...
・Radial tilting of the lower chute from the furnace center to the furnace wall (
Oscillation) range. Agent Patent attorney Masamitsu Akizawa and one other person Figure 7'i1 Figure 2
Claims (1)
トの下部から半径方向下方に突出する装入シュートを取
付け、さらにその先端部に傾動可能とした下部シュート
を取付けた原料装入装置において、前記垂直シュートの
外周に旋回ロバロと、該シュートの軸心部に縦通する伝
達軸を取付け、旋回モータから差動減速機を介して旋回
ロバロを回転しシュートを旋回させる旋回機構と、傾動
モータから前記差動減速機を介して伝達軸を駆動し、伝
達軸の下部に取付けた傾動ギヤにより下部シュートを傾
動させる傾動機構とを設けたことを特徴とする高炉原料
装入装置のシュート駆動機構。In the raw material charging device in which a charging chute protruding radially downward from the lower part of a vertical chute rotatably provided in the core of a bell-less blast furnace is attached, and a lower chute which is tiltable at the tip thereof is further attached. A rotating Robaro is attached to the outer periphery of the vertical chute, and a transmission shaft that runs longitudinally through the shaft center of the chute is attached, and a swinging mechanism that rotates the rotating Robaro from a swing motor via a differential reducer to rotate the chute, and a tilting motor to A chute drive mechanism for a blast furnace raw material charging device, comprising: a tilting mechanism that drives a transmission shaft via the differential speed reducer and tilts a lower chute by a tilting gear attached to a lower part of the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18254488A JPH0234711A (en) | 1988-07-21 | 1988-07-21 | Chute driving mechanism in raw material charging apparatus in blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18254488A JPH0234711A (en) | 1988-07-21 | 1988-07-21 | Chute driving mechanism in raw material charging apparatus in blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0234711A true JPH0234711A (en) | 1990-02-05 |
| JPH0469203B2 JPH0469203B2 (en) | 1992-11-05 |
Family
ID=16120144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18254488A Granted JPH0234711A (en) | 1988-07-21 | 1988-07-21 | Chute driving mechanism in raw material charging apparatus in blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0234711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001000884A1 (en) * | 1999-06-25 | 2001-01-04 | Zimmermann & Jansen Gmbh | Feed device for a shaft furnace |
| LU90863B1 (en) * | 2001-12-13 | 2003-06-16 | Wurth Paul Sa | Charging device with rotary chute |
| KR100985372B1 (en) * | 2003-07-09 | 2010-10-04 | 주식회사 포스코 | An apparatus for controlling a movement of ore chute in blast furnace |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101689053B1 (en) | 2010-05-14 | 2016-12-22 | 고쿠리츠 다이가꾸 호우진 시즈오까 다이가꾸 | A/d converter |
-
1988
- 1988-07-21 JP JP18254488A patent/JPH0234711A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001000884A1 (en) * | 1999-06-25 | 2001-01-04 | Zimmermann & Jansen Gmbh | Feed device for a shaft furnace |
| LU90863B1 (en) * | 2001-12-13 | 2003-06-16 | Wurth Paul Sa | Charging device with rotary chute |
| WO2003050314A1 (en) * | 2001-12-13 | 2003-06-19 | Paul Wurth S.A. | Charging device with rotary chute |
| US7311486B2 (en) | 2001-12-13 | 2007-12-25 | Paul Wurth S.A. | Charging device with rotary chute |
| KR100985372B1 (en) * | 2003-07-09 | 2010-10-04 | 주식회사 포스코 | An apparatus for controlling a movement of ore chute in blast furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0469203B2 (en) | 1992-11-05 |
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