JPS6257917B2 - - Google Patents
Info
- Publication number
- JPS6257917B2 JPS6257917B2 JP2523780A JP2523780A JPS6257917B2 JP S6257917 B2 JPS6257917 B2 JP S6257917B2 JP 2523780 A JP2523780 A JP 2523780A JP 2523780 A JP2523780 A JP 2523780A JP S6257917 B2 JPS6257917 B2 JP S6257917B2
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- continuous
- furnace
- supply
- tundish
- 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
- 239000002184 metal Substances 0.000 claims description 35
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 3
- 238000009628 steelmaking Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000009991 scouring Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Description
【発明の詳細な説明】
本発明は、溶融金属の定量供給装置の改良に関
する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a quantitative supply device for molten metal.
連続製鋼炉等の如く、連続的に溶融金属を供給
して、炉内において精練反応を行なわせる装置に
おいて、その精練反応の条件、すなわち溶融金属
の温度、成分及び供給量を出来るだけ一定条件に
維持しておくことは、安定した精練操業を行う上
において、非常に重要である。特に溶融金属の供
給量は連続的に計測する良い手段がなく、そのた
め制御することも不可能であり、最初から定量供
給装置を設けておく必要がある。一般に溶融金属
は非常な高温状態にあり、それだけに定量供給装
置は、構造的に非常に難しく、従来はその底部に
出湯用のノズルを有する中間容器(タンデイツシ
ユ)を使用したり、2個の中間容器を使用し交互
に傾動して定量供給する装置が使われて来た。し
かし、それらの定量供給装置は取鍋等の容器から
溶融金属を移送する場合には適しているが、固設
された溶解炉から直接溶融金属を供給する場合に
は、その溶解炉の位置が非常に高くなり、配置上
非常な危険を伴うと共に不経済となる欠点があ
る。 In devices such as continuous steelmaking furnaces that continuously supply molten metal and perform a scouring reaction in the furnace, the conditions for the scouring reaction, that is, the temperature, composition, and supply amount of the molten metal, must be kept as constant as possible. Maintaining this is very important for stable smelting operations. In particular, there is no good means to continuously measure the amount of molten metal supplied, and therefore it is impossible to control it, so it is necessary to provide a quantitative supply device from the beginning. Generally, molten metal is in a very high temperature state, which makes it structurally very difficult to construct a metering supply device. Conventionally, an intermediate container (tundish) with a nozzle for tapping the metal at the bottom has been used, or two intermediate containers have been used. A device for supplying a fixed amount by tilting alternately has been used. However, while these quantitative feeding devices are suitable for transferring molten metal from a container such as a ladle, when feeding molten metal directly from a fixed melting furnace, the location of the melting furnace is It has the drawback of being very expensive, very dangerous in terms of arrangement, and uneconomical.
本発明は、溶解炉に直結した連続製鋼炉等に溶
融金属を連続的に供給する場合に、上記欠点を改
善した定量供給装置を提供することを目的として
提案されたものであり、本発明による溶融金属の
定量供給装置は、一定速度で傾動することによつ
て、溶湯を定量供給する中間容器(タンデイツシ
ユ)を2台使用し、交互に溶解炉からの受湯及び
連続製鋼炉への給湯を繰返し行い連続的に溶融金
属を供給するものであつて、該タンデイツシユを
それぞれ、平行4辺形リンクで構成された昇降架
台上に設置し、溶解炉からの受湯はその下限位置
で行い、連続製鋼炉への注湯は、その上限位置で
行なわせることとし、溶解炉を出来るだけ低い位
置に設置可能としたことを特徴としており、連続
製鋼設備、その他溶融金属を定量、連続供給する
装置に適用して、極めて有効なものである。 The present invention has been proposed for the purpose of providing a fixed quantity supply device that improves the above-mentioned drawbacks when molten metal is continuously supplied to a continuous steel making furnace or the like that is directly connected to a melting furnace. The molten metal quantitative supply device uses two intermediate vessels (tundishes) that supply a fixed amount of molten metal by tilting at a constant speed, and alternately receives the molten metal from the melting furnace and supplies it to the continuous steelmaking furnace. The tundish is installed repeatedly on an elevating frame composed of parallelogram links, and the molten metal is received from the melting furnace at the lower limit position. Molten metal is poured into the steelmaking furnace at its upper limit position, making it possible to install the melting furnace as low as possible, making it suitable for continuous steelmaking equipment and other devices that quantitatively and continuously supply molten metal. It is extremely effective when applied.
以下、第1図によつて本発明を応用した連続製
鋼設備の構造及び作用について説明する。第1図
において、連続製鋼炉2は、その両端部に受湯口
3及び出鋼口4を有する耐火材で内張りされた樋
形容器であり、その天井部には造滓剤23の供給
口5と酸素ランス6と排気口7が設けられた密閉
炉である。その受湯口3の側には溶湯19を連続
的に定量供給するための定量供給装置を設けてい
る。溶解炉1により溶解された原料溶湯(例えば
2〜3%Cの溶銑)16は、炉の傾動等により、
定量供給装置へ出湯17され、連続製鋼炉2へ連
続的に供給19される。この原料溶湯は連続製鋼
炉2内において酸素ランス6から酸素22を吹込
まれ、同時に供給口5から造滓剤23が供給され
つつ、精練され、脱炭されて0.1〜0.3%Cの溶鋼
となつて出鋼口4から連続的に出湯されるもので
ある。この精練反応の際に大量の排ガス(COガ
ス)21が発生するので、排気口7から排ガスダ
クト8によつて排気21′している。この様な精
練反応を連続的に行なう場合に受湯する原料溶湯
の条件(すなわち、溶湯成分、温度及び供給量
等)を出来るだけ一定に維持することが、安定し
た精練反応、すなわち一定条件の溶鋼を製造する
ことのためには、重要なこととなる。本発明にお
いては、それらの条件の内で原料溶湯の供給量を
一定かつ連続的に維持するための装置について考
案したものである。 The structure and operation of continuous steel manufacturing equipment to which the present invention is applied will be explained below with reference to FIG. In FIG. 1, a continuous steelmaking furnace 2 is a trough-shaped container lined with a refractory material and has a molten metal inlet 3 and a steel tapping port 4 at both ends thereof, and a supply port 5 for a slag forming agent 23 in the ceiling. It is a closed furnace equipped with an oxygen lance 6 and an exhaust port 7. On the side of the inlet port 3, there is provided a quantitative supply device for continuously supplying the molten metal 19 in a constant quantity. The raw material molten metal (for example, 2 to 3% C hot metal) 16 melted in the melting furnace 1 is heated by tilting the furnace, etc.
The hot water is tapped 17 to a quantitative supply device and continuously supplied 19 to the continuous steelmaking furnace 2 . This raw molten metal is smelted and decarburized into molten steel with a carbon content of 0.1 to 0.3% while being blown with oxygen 22 from an oxygen lance 6 and simultaneously supplied with a slag forming agent 23 from a supply port 5 in a continuous steelmaking furnace 2. The steel is continuously tapped from the tap port 4. Since a large amount of exhaust gas (CO gas) 21 is generated during this scouring reaction, it is exhausted 21' from the exhaust port 7 through an exhaust gas duct 8. When performing such a scouring reaction continuously, it is important to maintain the conditions of the raw molten metal (i.e., molten metal composition, temperature, supply amount, etc.) as constant as possible to ensure a stable scouring reaction, that is, under constant conditions. This is important for producing molten steel. The present invention has devised an apparatus for maintaining a constant and continuous supply of raw material molten metal within these conditions.
本発明による原料溶湯の定量供給装置は、傾動
用シリンダ12,12′により傾動可能に支持さ
れた2組の定量供給タンデイツシユ9,9′とそ
れぞれのタンデイツシユ9,9′を独立して支持
している平行リンク11,11′機構で連結され
た昇降可能な支持架台10,10′から構成さ
れ、各組の定量供給タンデイツシユ9,9′が受
湯と出湯とを交互に繰返えすことにより、原料溶
湯の連続的定量供給を行うことを可能にしたもの
である。この定量供給装置について、第2図にお
いて更に詳しく構造と作用について説明する。同
図に示すように、2組の定量供給タンデイツシユ
9,9′は、耐火材で内張りした中間容器であ
り、それぞれ、支点14,14′を中心として傾
動用液圧シリンダ12,12′によつて傾動可能
な様に支持架台10,10′上に取り付けてあ
り、一定速度で傾動することにより、タンデイツ
シユ内の溶湯(溶銑)18は、一定の流量(供給
量)で精練炉2に供給19することが可能な断面
形状を有している。又、タンデイツシユ内の溶湯
量を計測するための、計重器15,15′が設け
られている。上記支持架台10,10′は平行リ
ンク機構11,11′に連結され、昇降用液圧シ
リンダ13,13′によつて、昇降可能な構造と
なつている。これら、2組の定量供給装置が、一
組は受湯位置Bにあつて、タンデイツシユ9′は
溶湯を受湯17し、所定量に達すると計重器1
5′の信号によつて受湯を停止し、同時に昇降用
シリンダ13′に液圧25が作用して、タンデイ
ツシユ9′は支持架台10′とともに上昇28し、
定量供給位置Aに移動するようになつており、一
方、他の組のタンデイツシユ9はすでに定量供給
位置Aにあつて、傾動用シリンダ12に液圧24
が作用して一定速度で傾動26しており、タンデ
イツシユ9内の溶湯18を一定流量で供給19し
ている。定量供給が終了するとタンデイツシユ9
は、元の位置に復帰27し、同時に昇降用シリン
ダ13に液圧25が作用して、タンデイツシユ2
9は支持架台10と共に下降29し、元の受湯位
置Bに復帰する。この様に2組の定量供給装置が
受湯位置Bと定量供給位置Aを交互に移動を繰返
し、溶湯の連続定量供給を行うようになつてい
る。なお、支持架台10,10′の昇降機構とし
て平行リンク11,11′機構以外にも、垂直昇
降可能なリンク機構を採用することも可能であ
る。 The molten raw material quantitative supply device according to the present invention includes two sets of quantitative supply tundages 9, 9' that are tiltably supported by tilting cylinders 12, 12', and each tundish 9, 9' is independently supported. It consists of support frames 10, 10' that can be raised and lowered and connected by parallel links 11, 11' mechanism, and each set of quantitative supply tundishes 9, 9' alternately receives and releases hot water. This makes it possible to continuously supply a fixed amount of raw material molten metal. The structure and operation of this quantitative supply device will be explained in more detail with reference to FIG. As shown in the figure, the two sets of metered supply tundishes 9, 9' are intermediate containers lined with fireproof material, and are operated by tilting hydraulic cylinders 12, 12' about fulcrums 14, 14', respectively. By tilting the tundish at a constant speed, the molten metal (hot metal) 18 in the tundish is supplied to the smelting furnace 2 at a constant flow rate (supply amount) 19. It has a cross-sectional shape that allows for Further, scales 15 and 15' are provided for measuring the amount of molten metal in the tundish. The support frames 10, 10' are connected to parallel link mechanisms 11, 11', and are capable of being raised and lowered by lifting hydraulic cylinders 13, 13'. These two sets of metering supply devices, one set is at receiving position B, the tundish 9' receives molten metal 17, and when a predetermined amount is reached, the scale
The receiving of hot water is stopped by the signal 5', and at the same time, the hydraulic pressure 25 acts on the lifting cylinder 13', and the tundish 9' rises 28 together with the support frame 10'.
On the other hand, the other set of tundishes 9 is already in the fixed quantity supply position A, and the hydraulic pressure 24 is applied to the tilting cylinder 12.
acts to tilt 26 at a constant speed, supplying 19 the molten metal 18 in the tundish 9 at a constant flow rate. When the fixed quantity supply is finished, the tandate 9
returns to its original position 27, and at the same time hydraulic pressure 25 acts on the lifting cylinder 13, causing the tundish 2
9 is lowered 29 together with the support frame 10 and returns to the original hot water receiving position B. In this way, the two sets of quantitative supply devices repeatedly move alternately between the receiving position B and the quantitative supply position A, thereby continuously supplying the molten metal in a constant quantity. In addition to the parallel link 11, 11' mechanism, it is also possible to employ a link mechanism that can vertically move up and down as the elevating mechanism for the support frames 10, 10'.
本発明装置は、上記のような構成、作用を具有
するものであるから、本発明によれば、
(1) 2組のタンデイツシユを使用して、連続的に
溶湯の定量供給を行うことが可能となる。 Since the device of the present invention has the above-described configuration and function, according to the present invention, (1) it is possible to continuously supply a fixed amount of molten metal using two sets of tundishes; becomes.
(2) 該タンデイツシユが、昇降可能な支持架台上
に、セツトされているので、低い受湯位置B
(落差H)での受湯が可能となり、溶解炉1の
設置位置を低くすることが出来る。(2) Since the tundish is set on a support frame that can be raised and lowered,
(Head H) It becomes possible to receive the melt, and the installation position of the melting furnace 1 can be lowered.
(3) 連続溶解炉から連続製鋼炉まで含めた完全連
続プロセスにおいて、溶湯供給レベルをほぼ一
定に保つことが可能となり、全体配置上、危険
が少なくかつ実用的な配置を考えることが出来
る。(3) In a completely continuous process, from a continuous melting furnace to a continuous steelmaking furnace, it is possible to keep the molten metal supply level almost constant, and it is possible to consider a less dangerous and practical layout in terms of the overall layout.
(4) 連続製鋼以外の金属の連続精練プロセスにお
ける、溶融金属の連続定量供給装置として応用
できる。(4) It can be applied as a continuous quantitative supply device for molten metal in continuous metal smelting processes other than continuous steel manufacturing.
などの実用的効果を挙げることができる。The following practical effects can be mentioned.
添付図面は本発明の一実施例の概略説明図で、
第1図は溶解炉、連続製鋼炉を含む全体の縦断側
面図、第2図は要部の縦断側面図である。
1:溶解炉、2:連続製鋼炉、9,9′:中間
容器(タンデイツシユ)、10,10′:昇降架
台、11,11′:平行リンク機構、12,1
2′:傾動用液圧シリンダ、13,13′:昇降用
液圧シリンダ、14,14′支点、15,15′:
計重器。
The attached drawings are schematic illustrations of one embodiment of the present invention.
FIG. 1 is a longitudinal side view of the entire structure including a melting furnace and a continuous steelmaking furnace, and FIG. 2 is a longitudinal side view of the main parts. 1: Melting furnace, 2: Continuous steelmaking furnace, 9, 9': Intermediate container (tundish), 10, 10': Elevating frame, 11, 11': Parallel link mechanism, 12, 1
2': Hydraulic cylinder for tilting, 13, 13': Hydraulic cylinder for lifting, 14, 14' fulcrum, 15, 15':
Weighing device.
Claims (1)
に、それぞれ駆動源で作動される昇降機構を介し
て各別に昇降するように並列された2組の昇降架
台、それら各昇降架台に傾動手段により傾動可能
に支承された2組の中間容器(タンデイツシ
ユ)、それら各中間容器にそれぞれ配設され、上
記各昇降架台の各駆動源に信号を送り、それら駆
動源を作動せしめる計重器を具備することを特徴
とする溶融金属の連続定量供給装置。1. Two sets of elevating frames are arranged in parallel on a foundation between the melting furnace and the continuous smelting furnace, etc., so as to be raised and lowered separately via elevating mechanisms each operated by a drive source, and each of these elevating frames is provided with a tilting means. Two sets of intermediate containers (tundishi) supported in a tiltable manner by a weighing device are installed in each of the intermediate containers, and are equipped with a weighing device that sends a signal to each drive source of each of the above-mentioned elevating frames and activates the drive sources. A continuous quantitative supply device for molten metal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2523780A JPS56121981A (en) | 1980-03-03 | 1980-03-03 | Continuous constant amount molten metal supply device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2523780A JPS56121981A (en) | 1980-03-03 | 1980-03-03 | Continuous constant amount molten metal supply device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56121981A JPS56121981A (en) | 1981-09-25 |
JPS6257917B2 true JPS6257917B2 (en) | 1987-12-03 |
Family
ID=12160370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2523780A Granted JPS56121981A (en) | 1980-03-03 | 1980-03-03 | Continuous constant amount molten metal supply device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56121981A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0212711U (en) * | 1988-07-07 | 1990-01-26 |
-
1980
- 1980-03-03 JP JP2523780A patent/JPS56121981A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0212711U (en) * | 1988-07-07 | 1990-01-26 |
Also Published As
Publication number | Publication date |
---|---|
JPS56121981A (en) | 1981-09-25 |
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