JPS61139615A - Automatic tapping apparatus of convertor - Google Patents
Automatic tapping apparatus of convertorInfo
- Publication number
- JPS61139615A JPS61139615A JP25999384A JP25999384A JPS61139615A JP S61139615 A JPS61139615 A JP S61139615A JP 25999384 A JP25999384 A JP 25999384A JP 25999384 A JP25999384 A JP 25999384A JP S61139615 A JPS61139615 A JP S61139615A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- converter
- tapping
- molten steel
- steel
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4653—Tapholes; Opening or plugging thereof
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野〕
本発明は転炉からの出鋼量を精度良く、例えば容器、鋳
鍋から出鋼する自動出鋼装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to an automatic steel tapping device that accurately controls the amount of steel tapped from a converter, for example, from a container or a cast pot.
本発明装置を使用することによって目標出鋼量を例えば
±１．Ｏｔ以内におさめることが可能となった。転炉出
鋼重量のバラツキは鋳型注入後の残湯又は湯不足となシ
、溶鋼歩留に大きな影響を与えるものであシ、バラツキ
は出来るだけ小さくする必要がちる。By using the device of the present invention, the target steel output amount can be adjusted by, for example, ±1. It became possible to keep it within Ot. Variations in the weight of tapped steel from a converter, such as residual molten metal or insufficient molten metal after pouring into the mold, have a large effect on the yield of molten steel, and it is therefore necessary to minimize the variation as much as possible.
（従来の技術〕
従来転炉における出鋼は、第４図に示す如く作業員が受
鋼台車７に設けられたロードセル３とこれに続く秤量装
置４を経て表示された出鋼量表示３１ヲ見て、出鋼重量
と目標出鋼重量の差が一定重量になった時点で、転炉１
を操作盤９からの指示で傾動装置６を介して起炉し出鋼
を停止していた。(Prior art) Conventionally, when tapping steel in a converter, as shown in FIG. As soon as the difference between the tapped steel weight and the target tapped steel weight reaches a certain value, the converter 1
In response to an instruction from the operation panel 9, the furnace was started via the tilting device 6 and tapping was stopped.
この方法は転炉の新旧による出鋼口径の差異。This method uses the differences in the tapped diameter depending on the old and new converter.
転炉内溶鋼量の差異によシ、出鋼重量速度（こ差がある
こと、作業員による誤差があること、転炉起炉特性変動
があること等によシ出鋼重量に大きなバラツキがあった
。There are large variations in the weight of tapped steel due to differences in the amount of molten steel in the converter, differences in the weight rate of tapped steel, errors caused by workers, and fluctuations in the starting characteristics of the converter. there were.
（発明が解決しようとする問題点）
本発明は前述のような実情に鑑みなされたもので、従来
の転炉設備に自動出鋼演算装置を付加し、出鋼状態から
起炉までの流れ込み重量を予測し、溶鋼重量が、目標出
鋼重量から流れ込み重量を減じた重量に一致した時点で
自動的に起炉し、出鋼重量を目標出鋼重量に一致させる
ことを目的としている。(Problems to be Solved by the Invention) The present invention was made in view of the above-mentioned circumstances, and it adds an automatic tapping calculation device to conventional converter equipment, and calculates the inflow weight from the tapped state to the blasting stage. The purpose of this system is to predict the weight of molten steel and automatically start the furnace when the weight of molten steel matches the weight obtained by subtracting the inflow weight from the target weight of tapped steel, thereby making the weight of tapped steel match the target weight of tapped steel.
（問題点を解決するための手段９作用〕即ち、本発明の
・特徴とするところは、転炉出鋼の受鋼台車に秤量装置
を設け、該秤量装置に出鋼重量速度演算装置、転炉が出
鋼状態から起炉するまでの溶鋼の流れ込み重量予測演算
装置を順次連設し、溶鋼重量が目標出鋼重量から起炉す
るまでの溶鋼流れ込み重量を減じた重量に一致した時点
で、自動的に起炉する演算回路を設けたことを特徴とす
る転炉自動出鋼装置、
であシ、従来の一定重量差に基く粗い精度の重量管理に
かえ、実炉の出鋼特性を確実に把握し、起炉時の溶鋼の
流れ込み重量を正確に予測し転炉の起炉タイミングを制
御することによシ精度の良い出鋼を行なう、という技術
思想に立脚した発明であシ、この一連の電気制御によっ
てきわめて高い重量管理が可能となった。(Means 9 for Solving Problems) In other words, the features of the present invention are that a weighing device is provided on the steel receiving cart for tapping steel in a converter, and the weighing device is equipped with a tapping weight speed calculation device, A calculation device for predicting the weight of molten steel flowing into the furnace from the tapping state to the time of blasting is successively installed, and when the weight of molten steel matches the weight obtained by subtracting the weight of molten steel flowing into the furnace from the target tapping weight, This is an automatic converter tapping device that is equipped with a calculation circuit that automatically starts the furnace.Instead of the conventional rough precision weight control based on a fixed weight difference, it ensures the tapping characteristics of the actual furnace. This invention is based on the technical idea of accurately predicting the weight of molten steel flowing into the furnace at the time of furnace startup, and controlling the timing of the furnace startup to perform accurate steel tapping. A series of electrical controls allows for extremely high weight control.
本発明の構成は第１図に示すように、転炉１、出鋼溶鋼
を受ける受鋼台車２、受鋼台車に取付けられたロードセ
ル３、ロードセルからの信号を秤量値に変換する秤量装
置４、出鋼重量を演算処理する自動出鋼演算装置５、転
炉傾動装置６よシなる。As shown in FIG. 1, the configuration of the present invention includes a converter 1, a steel receiving cart 2 for receiving molten steel, a load cell 3 attached to the steel receiving cart, and a weighing device 4 for converting the signal from the load cell into a weighed value. , an automatic steel tapping calculation device 5 for calculating the tapping weight, and a converter tilting device 6.
（実施例〕 以下本発明を図に示す実施例によシ詳細に説明する。(Example〕 The present invention will be explained in detail below with reference to embodiments shown in the drawings.
第１図は転炉自動出鋼装置の構成図である。出鋼開始は
転炉傾動装置６によ〕作業員が手動で転炉１？：傾動し
出鋼を開始する。出鋼された溶鋼８は受鋼秤量台車２の
受鋼鍋７に留る。出鋼された溶鋼重量はロードセル３．
秤量装置４で測定し、その測定値全自動出鋼演算装置５
に伝送する。自動出鋼演算装置５では第２図に示す演算
が行なわれる。FIG. 1 is a block diagram of an automatic converter tapping device. The steel tapping is started by the converter tilting device 6] The worker manually moves the converter to the converter 1? : Tilt and start tapping. The tapped molten steel 8 remains in the steel receiving ladle 7 of the steel receiving weighing cart 2. The weight of the tapped molten steel is measured by load cell 3.
Measured by weighing device 4, and the measured value is fully automatic steel tapping calculation device 5
to be transmitted. The automatic steel tapping calculation device 5 performs calculations shown in FIG.
すなわち、出鋼重量速度演算器１０では、溶鋼重量信号
１４よシ出鋼重量速度全演算する。流れ通量演算器１１
では、出鋼重量速度信号１８と、あらかじめ設定しであ
る転炉起炉時間１５よシ溶鋼流れ込重量を演算する。起
炉重量演算器１２では、溶鋼流れ込重量信号］９とあら
かじめ設定しである出鋼目標重量１６よシ起炉すべき溶
鋼重量全演算する。この演算された溶鋼重量に、トータ
ル誤差補正値１７ヲ加え、最終の起炉すべき溶鋼重量を
決定する。重量比較演算器１３では、起炉すべき溶鋼重
量信号２０さ溶鋼重量信号１４が一致した時、転炉起炉
信号２１を転炉傾動装置６へ出力する。転炉起炉信号２
１によシ転炉傾動装置で転炉１を起炉することにより出
鋼を自動停止させ、出鋼重量を出鋼目標重量に一致させ
る。That is, the tapping weight speed calculation unit 10 calculates the tapping weight speed entirely based on the molten steel weight signal 14. Flow rate calculator 11
Now, the weight of molten steel flowing into the converter is calculated based on the tapping weight speed signal 18 and the preset converter furnace starting time 15. The furnace weight calculation unit 12 calculates the total weight of molten steel to be blasted based on the molten steel inflow weight signal]9 and the preset tapping target weight 16. A total error correction value of 17 is added to the calculated molten steel weight to determine the final molten steel weight to be started. The weight comparison calculator 13 outputs a converter starting signal 21 to the converter tilting device 6 when the molten steel weight signal 20 to be started and the molten steel weight signal 14 match. Converter furnace signal 2
By starting the converter 1 with the converter tilting device 1, tapping is automatically stopped and the tapping weight is made to match the tapping target weight.
本装置によシ出鋼した結果、出鋼重量誤差は第３図に示
すように誤差〈±ｌ、Ｑ ｔｏｎという高い精度が得ら
れた。As a result of tapping the steel using this apparatus, a high accuracy was obtained for the tapping weight error of <±l, Q ton, as shown in FIG.
これを従来技術と比較すると、
（１）秤量装置がない時の精度：±６．０ｔ（２）秤量
装置がある時の精Ｖ：±２．５〜３．Ｏｔであシ、大幅
な精度向上を実現することが出来た。Comparing this with the conventional technology: (1) Accuracy without a weighing device: ±6.0t (2) Precision V with a weighing device: ±2.5 to 3. With this, we were able to achieve a significant improvement in accuracy.
（発明の効果〕
本発明により出鋼重量の精度が±１．０ｔｏｎと大きく
向上すると共に作業者の操業負荷全軽減させ、溶鋼歩留
の向上、省力化に大きな効果を発揮している。(Effects of the Invention) The present invention greatly improves the precision of tapping weight to ±1.0 ton, reduces the total operating load on workers, and is highly effective in improving molten steel yield and saving labor.
第１図は本発明の自動出鋼装置構成を示す。第２図は本
発明の自動出鋼演算器構成を示す。第３図は本発明によ
る操業結果を示すグラフ。第４図は従来の技術の１例を
示す。
１・・・転炉、２・・・受鋼秤量台車、３−・・ロード
セル、４−・秤量装置、５・・・自動出鋼演算装置、６
・・・転炉傾動装置、７・・−受鋼鍋、８・・・溶鋼、
１０・・・出鋼重量速度演算器、１１・・・流れ通量演
算器、１２・・・起炉重量演算器、１３・・・重量比較
演算器。FIG. 1 shows the configuration of an automatic steel tapping apparatus of the present invention. FIG. 2 shows the configuration of the automatic steel tapping calculator of the present invention. FIG. 3 is a graph showing the results of operation according to the present invention. FIG. 4 shows an example of a conventional technique. 1... Converter, 2... Steel receiving weighing cart, 3-... Load cell, 4-- Weighing device, 5... Automatic steel tapping calculation device, 6
... Converter tilting device, 7... - Steel receiving ladle, 8... Molten steel,
10... Steel extraction weight speed calculator, 11... Flow throughput calculator, 12... Furnace weight calculator, 13... Weight comparison calculator.
Claims (1)
鋼重量速度演算装置、転炉が出鋼状態から起炉するまで
の溶鋼の流れ込み重量予測演算装置を順次連設し、溶鋼
重量が目標出鋼重量から起炉するまでの溶鋼流れ込み重
量を減じた重量に一致した時点で、自動的に起炉する演
算回路を設けたことを特徴とする転炉自動出鋼装置。A weighing device is provided on a steel receiving cart for tapping steel in a converter, and a tapping weight speed calculating device and a calculating device for predicting the weight of molten steel flowing from the tapping state to the blasting of the converter are sequentially connected to the weighing device, An automatic converter tapping device characterized by being provided with an arithmetic circuit that automatically starts the furnace when the weight of molten steel matches the weight obtained by subtracting the weight of molten steel flowing into the furnace from the target tapping weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25999384A JPS61139615A (en) | 1984-12-11 | 1984-12-11 | Automatic tapping apparatus of convertor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25999384A JPS61139615A (en) | 1984-12-11 | 1984-12-11 | Automatic tapping apparatus of convertor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139615A true JPS61139615A (en) | 1986-06-26 |
Family
ID=17341796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25999384A Pending JPS61139615A (en) | 1984-12-11 | 1984-12-11 | Automatic tapping apparatus of convertor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225892A (en) * | 2016-07-29 | 2016-12-14 | 重庆钢铁集团电子有限责任公司 | Driving molten steel metering method and system |
-
1984
- 1984-12-11 JP JP25999384A patent/JPS61139615A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225892A (en) * | 2016-07-29 | 2016-12-14 | 重庆钢铁集团电子有限责任公司 | Driving molten steel metering method and system |
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