JP2514675B2 - Quantitative tapping method of melt - Google Patents
Quantitative tapping method of meltInfo
- Publication number
- JP2514675B2 JP2514675B2 JP32811287A JP32811287A JP2514675B2 JP 2514675 B2 JP2514675 B2 JP 2514675B2 JP 32811287 A JP32811287 A JP 32811287A JP 32811287 A JP32811287 A JP 32811287A JP 2514675 B2 JP2514675 B2 JP 2514675B2
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- gate member
- amount
- tapping
- raw material
- 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 - Lifetime
Links
- 238000010079 rubber tapping Methods 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 17
- 239000002184 metal Substances 0.000 claims description 22
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 239000012768 molten material Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 239000011490 mineral wool Substances 0.000 description 12
- 239000000155 melt Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 241000243812 Arenicola marina Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
- Inorganic Fibers (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、電気溶融炉で溶融した溶融物を炉壁に設け
た出湯口から連続して定量出湯する方法に関するもので
あって、主にロックウール（石綿）の製造ラインにおい
て、電気溶融炉で溶融したロックウール原料を製綿機に
定量出湯するのに適用されるものである。TECHNICAL FIELD The present invention relates to a method for continuously quantitatively discharging a molten material melted in an electric melting furnace from a tap hole provided in a furnace wall, and mainly In a rock wool (asbestos) production line, it is applied to quantitatively discharge rock wool raw material melted in an electric melting furnace to a cotton making machine.
ロックウールは、その原料を電気溶融炉において溶融
し、この溶融物を製綿機に出湯して吹製法またはスピニ
ング法により繊維化することによって製造されている。
なお、ロックウーム原料としては、従来、安山岩や玄武
岩等が利用されていたが、最近では品質の安定化をはか
るために、金属の精練滓、主に高炉スラグを主原料と
し、これに化学成分の調整のための副原料としてケイ
石、ドロマイト、石灰岩等を添加している。Rock wool is manufactured by melting its raw material in an electric melting furnace, tapping this molten material in a cotton maker, and fiberizing it by a blowing method or a spinning method.
As rock worm raw material, andesite, basalt, etc. have been used in the past, but recently, in order to stabilize the quality, metal slag, mainly blast furnace slag, was used as the main raw material, and the chemical composition Silica stone, dolomite, limestone, etc. are added as an auxiliary material for the adjustment of.
ところで、上記ロックウームの製造において良質の繊
維製品を得るためには、製綿機に、その性能に応じた量
の溶融原料を常時一定量で供給することが必要であり、
そのためには、電気溶融炉で溶融した溶融物（ロックウ
ール原料）を製綿機に連続して定量出湯する必要があ
る。By the way, in order to obtain a high-quality fiber product in the production of the rock worm, it is necessary to constantly supply a constant amount of a molten raw material in an amount corresponding to the performance of the cottonmaking machine,
For that purpose, it is necessary to continuously discharge the melted material (rock wool raw material) melted in the electric melting furnace to the cotton maker in a fixed amount.
この電気溶融炉内の溶融物の定量出湯方法としては、
従来、出湯による炉内溶融物の残存量の減少にともなっ
て炉体を微小角度ずつ段階的または連続的に傾動させる
ことにより、出湯口から炉内溶融物の浴面までのヘッド
高さを常にほぼ一定に保って定量出湯する方法と、炉体
を傾動させる代わりに、炉内溶融物の残存量の減少にと
もなって炉内に不活性ガスを送り込むことにより、炉内
溶融物の浴面上に作用するガス圧を徐々に高くして定量
出湯する方法とが知られている。As a method for quantitatively discharging molten metal in this electric melting furnace,
Conventionally, the head height from the tap hole to the bath surface of the in-furnace is always maintained by tilting the furnace body step by step at a minute angle or continuously as the remaining amount of in-furnace melt decreases. On the bath surface of the in-furnace melt, the amount of molten metal in the in-furnace is kept constant and the inert gas is fed into the furnace as the remaining amount of the in-furnace melt decreases instead of tilting the furnace body. A method is known in which the gas pressure acting on the is gradually increased and hot water is discharged in a fixed amount.
しかしながら、上記従来の定量出湯方法のうち前者の
方法は、炉体を傾動させるのに大掛りな傾動装置が必要
であるために、設備費がかさむという問題をもってい
た。また後者の方法は、ガス圧を制御して出湯量を一定
にするものであるために、炉内に送り込んだガスの漏れ
を防ぐ必要があり、そのためには、炉蓋を通して炉内に
挿入される電極および原料装入管の挿入部を気密状態に
シールする必要があるから、やはり設備費がかさむとい
う問題をもっていた。However, the former method of the above-mentioned conventional quantitative hot water discharge methods has a problem that the equipment cost is high because a large tilting device is required to tilt the furnace body. In the latter method, the gas pressure is controlled so that the amount of hot water discharged is constant.Therefore, it is necessary to prevent leakage of the gas sent into the furnace.To do this, the gas is inserted through the furnace lid into the furnace. Since it is necessary to seal the electrode and the insertion portion of the raw material charging pipe in an airtight state, there is a problem that the equipment cost is also high.
本発明は上記のような実情にかんがみてなされたもの
であって、その目的とするところは、僅かな設備費で溶
融物の出湯量を一定に制御することができる溶融物の定
量出湯方法を提供することにある。The present invention has been made in view of the above situation, and an object thereof is to provide a method for quantitatively discharging molten metal capable of controlling the amount of molten metal discharged constantly with a small equipment cost. To provide.
本発明は、炉壁の出湯口を縦長の開口とし、この出湯
口から流出する溶融物を、この出湯口を覆う昇降可能な
ゲート部材に設けた所定径の出湯孔を介して出湯すると
ともに、炉内溶融物の出湯にともない前記ゲート部材を
昇降させて、このゲート部材の出湯孔の位置を出湯量が
常に一定となるように制御することを特徴とするもので
ある。The present invention, the tap hole of the furnace wall is a vertically long opening, and the molten material flowing out from the tap hole is tapped through a tap hole having a predetermined diameter provided in a movable gate member that covers the tap port, It is characterized in that the gate member is moved up and down as the molten material in the furnace is discharged, and the position of the discharge hole of the gate member is controlled so that the amount of discharged molten metal is always constant.
すなわち、本発明は、炉体を傾動させる代わりに、ゲ
ート部材を昇降させてその出湯孔の位置を変えることで
定量出湯するようにしたものであり、本発明によれば、
前記ゲート部材を昇降させるだけでよいから、炉体を傾
動させるか、あるいはガス圧を制御して定量出湯を行な
う従来の方法に比べて、僅かな設備費で溶融物の出湯量
を一定に制御することができる。That is, the present invention is, in place of tilting the furnace body, to raise and lower the gate member to change the position of the tap hole, so as to discharge a fixed amount of water. According to the present invention,
Since it is only necessary to move the gate member up and down, in comparison with the conventional method of tilting the furnace body or controlling gas pressure to discharge a fixed amount of molten metal, the molten metal discharge amount can be controlled to be constant with a small equipment cost. can do.
以下、本発明の一実施例を、ロックウール原料を溶融
する電気溶融炉からの溶融物の出湯について説明する。Hereinafter, an embodiment of the present invention will be described for tapping of a melt from an electric melting furnace for melting rock wool raw material.
まず、電気溶融炉の構造を説明すると、第１図におい
て、１は電気溶融炉の炉体、２は炉蓋であり、炉体１は
架台３上に炉重量測定用ロードセル４を介して支持され
ている。５は炉蓋２を貫通させて炉内に挿入された複数
本の電極であり、この各電極５は、炉体外側に立設した
垂直マスト６に昇降可能に支持させた電極保持アーム７
に保持されている。また、８および９は炉内にロックウ
ール原料を装入する主原料および副原料装入管であり、
ロックウールの主原料例えば高炉スラグ（ここでは溶融
スラグ）は、取鍋10により搬送されて主原料装入管８の
上部のホッパ8aに投入され、主原料装入管８から炉内に
装入される。また、副原料は、炉の上方に設置した副原
料貯槽11から副原料供給装置12を介して副原料装入管９
に供給され、副原料装入管９から炉内に装入される。一
方、1aは炉体１の炉壁に設けられた出湯口であり、この
出湯口1aは縦長の開口とされている。そして、この出湯
口1aは、炉体１の外壁面に昇降可能に設けたゲート部材
13によって覆われている。このゲート部材13は、第２図
に示すように出湯口1aよりも十分大きなものとされてお
り、このゲート部材13には出湯口1aの一部に対向させて
所定の径の出湯孔13aが穿設されている。なお、ゲート
部材13は図示しないガイド部材で案内されて昇降するよ
うになっており、またこのゲート部材13と炉体外壁面と
の摺動面は湯漏れを生じないようにシールされている。
14は前記ゲート部材13を昇降させるためのゲート部材昇
降機構であり、この昇降機構14は、その内部構造は図示
しないが、例えばゲート部材13に設けたスクリューロッ
ド13bに螺合させたナット部材と、このナット部材を回
転駆動するモータとからなっており、ゲート部材13は前
記ナット部材の回転によりスクリューロッド13bを介し
て昇降されるようになっている。First, the structure of the electric melting furnace will be described. In FIG. 1, 1 is a furnace body of the electric melting furnace, 2 is a furnace lid, and the furnace body 1 is supported on a pedestal 3 via a load cell 4 for measuring the furnace weight. Has been done. Reference numeral 5 denotes a plurality of electrodes inserted into the furnace by penetrating the furnace lid 2. Each of the electrodes 5 is supported by a vertical mast 6 standing upright on the outside of the furnace body so that it can be lifted and lowered.
Is held in. Further, 8 and 9 are main raw material and auxiliary raw material charging pipes for charging rock wool raw material into the furnace,
A main raw material of rock wool, for example, blast furnace slag (here, molten slag) is conveyed by a ladle 10 and put into a hopper 8a above the main raw material charging pipe 8 to be charged into the furnace from the main raw material charging pipe 8. To be done. The auxiliary raw material is supplied from the auxiliary raw material storage tank 11 installed above the furnace via the auxiliary raw material supply device 12 to the auxiliary raw material charging pipe 9
And is charged into the furnace through the auxiliary raw material charging pipe 9. On the other hand, 1a is a tap hole provided on the furnace wall of the furnace body 1, and the tap hole 1a is a vertically long opening. The tap hole 1a is provided on the outer wall surface of the furnace body 1 so as to be vertically movable.
Covered by 13. As shown in FIG. 2, the gate member 13 is sufficiently larger than the tap hole 1a, and the gate member 13 has a tap hole 13a of a predetermined diameter facing a part of the tap port 1a. Has been drilled. The gate member 13 is guided by a guide member (not shown) to ascend and descend, and the sliding surface between the gate member 13 and the outer wall surface of the furnace body is sealed to prevent leakage of molten metal.
Reference numeral 14 denotes a gate member raising / lowering mechanism for moving up and down the gate member 13. The raising / lowering mechanism 14 has an internal structure not shown, but for example, a nut member screwed to a screw rod 13b provided in the gate member 13 The gate member 13 is moved up and down via the screw rod 13b by the rotation of the nut member.
この電気溶融炉は、炉内にロックウール原料（主原料
および副原料）を所定量装入してこのロックウール原料
を電極5,5への通電により溶融し、この溶融物Ａを製綿
機（図示せず）に連続して定量出湯するもので、炉内の
溶融物Ａは、炉体１の炉壁に設けた出湯口1aから前記ゲ
ート部材13の出湯孔13aを介して出湯される。なお、製
綿機に供給する溶融物の均質化をはかるには、適宜炉内
溶融物Ａを不活性ガスによってバブリング（攪拌）する
のが望ましい。In this electric melting furnace, a predetermined amount of rock wool raw material (main raw material and auxiliary raw material) is charged into the furnace, and the rock wool raw material is melted by energizing the electrodes 5 and 5, and the melt A is a cotton making machine. The molten material A in the furnace is discharged from a tap hole 1a provided in the furnace wall of the furnace body 1 through a tap hole 13a of the gate member 13 in a fixed amount. . In order to homogenize the melt supplied to the cotton-making machine, it is desirable to appropriately bubb (melt) the melt A in the furnace with an inert gas.
次に、炉内溶融物Ａの出湯方法を説明する。なお、炉
内溶融物Ａの出湯方法としては、出湯にともなって炉内
に原料を追装しながら、原料の溶融と出湯とを連続して
行なう方法と、炉内への原料装入を停止しておいて出湯
する方法（この場合でも電極5,5への通電は継続して溶
融物Ａの温度を維持しておく）とがあるが、ここでは炉
内への原料装入を停止しておいて出輸する場合について
説明する。Next, a method for tapping the molten material A in the furnace will be described. As a method of tapping the molten material A in the furnace, a method of continuously melting and tapping the raw material while adding the raw material to the furnace along with tapping, and stopping the charging of the raw material into the furnace There is a method of tapping the hot water (in this case, the electrodes 5 and 5 are still energized to maintain the temperature of the melt A), but here, the charging of the raw material into the furnace is stopped. An explanation will be given of the case of leaving and leaving.
前記ゲート部材13は、出湯開始前はその出湯孔13aが
出湯口1aより上にくる位置すなわち出湯口1aを完全に閉
塞する位置に上昇されており、出湯開始時に下降され
る。このゲート部材13を下降させて行くと、その出湯孔
13aが出湯口1aと重なる位置にきたときに炉内溶融物Ａ
が出湯口1aからゲート部材13の出湯孔13aを介して出湯
し始める。そして、出湯開始後は、炉内溶融物Ａの出湯
にともなって前記ゲート部材13を昇降させ、このゲート
部材13の出湯孔の位置を出湯量が常に一定となるように
制御する。この出湯量を一定にするには、ゲート部材13
の出湯孔13aの位置を、この出湯孔13aから炉内溶融物Ａ
の浴面までの高さ（以下、ヘッド高さという）Ｈが常に
一定となるように制御すればよい。すなわち、出湯量Ｑ
は、次式 a:出湯孔13aの断面積 c:流量係数 r:溶融物Ａの比重 g:重力の加速度 H:ヘッド高さ で表わされるから、ヘッド高さＨが一定であれば出湯量
Ｑも一定となる。Before the tapping, the gate member 13 is raised to a position where the tapping hole 13a is above the tapping port 1a, that is, a position where the tapping port 1a is completely closed, and is lowered at the start of tapping. When this gate member 13 is lowered, its tap hole
When 13a reaches the position where it overlaps the tap 1a, the melt A in the furnace
Starts tapping from the tap hole 1a through the tap hole 13a of the gate member 13. After the start of tapping, the gate member 13 is moved up and down with the tapping of the melt A in the furnace, and the tap hole position of the gate member 13 is controlled so that the tapping amount is always constant. To keep this amount of hot water constant, the gate member 13
The position of the tap hole 13a of the molten metal A from the tap hole 13a
The height H to the bath surface (hereinafter referred to as the head height) H may be controlled to be always constant. That is, the hot water output Q
Is a: Cross-sectional area of tap hole 13a c: Flow coefficient r: Specific gravity of melt A g: Acceleration of gravity H: Head height Since the head height H is constant, the tapping amount Q is also constant .
しかして、出湯量を製綿機の能力に応じて設定される
目標量にするには、実際の出湯量を測定して、出湯量が
設定値（目標値）になるように出湯孔13aの位置を制御
する。この実際の出湯量は、炉重量測定用ロードセル４
により炉内溶融物Ａを含む炉重量を測定して、出湯にと
もなう単位時間当りの炉重量の減少量を求めればよく、
この炉重量の減少量は実際の出湯量に相当するから、単
位時間当り出湯量を知ることができる。そして、測定し
た出湯量が設定値より少ない場合は、ゲート部材13をさ
らに下降させて測定出湯量が設定値と同じになるまで前
記ヘッド高さＨを大きくし、測定した出湯量が設定値よ
り多くなった場合は、ゲート部材13を逆に上昇させて測
定出湯量が設定値と同じになるまでヘッド高さＨを小さ
くする。また、炉内溶融物Ａの浴面は、出湯にともなう
炉内溶融物Ａの残存量の減少にともなって下がるが、こ
のときも、実際の出湯量を測定して設定値と比較し、そ
の差に応じてゲート部材13を下降させて測定出湯量が設
定値と同じになるようにヘッド高さＨを調整する。この
出湯量の測定およびゲート部材13の下降は出湯終了まで
継続して行なえばよく、このようにすれば、溶融物の出
湯量を目標量にかつほぼ一定にすることができる。Therefore, in order to set the amount of tapping water to the target amount set according to the ability of the cotton maker, the actual amount of tapping water is measured, and the tapping hole 13a is set so that the amount of tapping water reaches the set value (target value). Control the position. This actual amount of tapping water is determined by the load cell 4 for measuring the furnace weight.
The weight of the furnace containing the melt A in the furnace can be measured by
Since the amount of decrease in the furnace weight corresponds to the actual amount of hot water discharged, the amount of hot water discharged per unit time can be known. When the measured hot water discharge amount is less than the set value, the gate member 13 is further lowered to increase the head height H until the measured hot water discharge amount is equal to the set value, and the measured hot water discharge amount is lower than the set value. When the number increases, the gate member 13 is raised in the opposite direction to decrease the head height H until the measured hot water discharge amount becomes equal to the set value. Further, the bath surface of the in-furnace melt A decreases with the decrease in the remaining amount of the in-furnace melt A accompanying tapping, but at this time also, the actual tapping amount is measured and compared with the set value. According to the difference, the gate member 13 is lowered to adjust the head height H so that the measured hot water discharge amount is equal to the set value. The measurement of the amount of molten metal discharged and the lowering of the gate member 13 may be carried out continuously until the molten metal discharge is completed. In this way, the amount of molten metal discharged can be kept at a target amount and substantially constant.
すなわち、この定量出湯方法は、炉体１を傾動させる
代わりに、ゲート部材13を昇降させてその出湯孔13aの
位置を変えることで定量出湯するようにしたものであ
り、この定量出湯方法によれば、前記ゲート部材13を昇
降させるだけでよいから、炉体を傾動させるか、あるい
はガス圧を制御して定量出湯を行なう従来の方法に比べ
て、僅かな設備費で溶融物の出湯量を一定に制御するこ
とができる。That is, this quantitative hot water discharge method is one in which, instead of tilting the furnace body 1, the gate member 13 is moved up and down to change the position of the hot water discharge hole 13a, so that the fixed quantity hot water is discharged. For example, since it is only necessary to move the gate member 13 up and down, in comparison with the conventional method in which the furnace body is tilted or the gas pressure is controlled to quantitatively discharge the molten metal, the molten metal discharge amount can be reduced with a small equipment cost. It can be controlled to be constant.
なお、上記実施例では、炉内溶融物Ａの出湯を炉内へ
の原料装入を停止した状態で行なう場合について説明し
たが、出湯にともなって炉内に原料を追装しながら溶融
物Ａを出湯する場合は、炉重量測定用ロードセル４の測
定値から炉自体の重量分を差し引いて炉内溶融物Ａの重
量を求め、この炉内溶融物Ａの重量とこの溶融物の比重
および炉体１の内径から浴面高さを算出して、前記ヘッ
ド高さＨが目標とする出湯量を得られる高さになるよう
にゲート部材13を昇降させればよい。また上記実施例で
は、炉重量測定用ロードセル４の測定値に基づいてゲー
ト部材13を昇降させるようにしているが、このロードセ
ル４の代わりに、第１図に鎖線で示すように炉内に炉内
溶融物Ａの浴面高さを測定するレベル計15を設け、この
レベル計15で測定した浴面高さに応じてゲート部材13を
昇降させるようにしてもよい。さらに上記実施例では、
高炉スラグを主原料とするロックウール原料を溶融する
電気溶融炉について説明したが、本発明は、安山岩や玄
武岩等の鉱物質のロックウール原料を溶融する電気溶融
炉からの定量出湯にも適用できるし、またロックウール
に限らず、例えばアルミナシリケート質繊維等を製造す
るラインの電気溶融炉からの定量出湯にも適用できるこ
とはもちろんである。In the above-mentioned embodiment, the case where the molten material A in the furnace is discharged while the charging of the raw material into the furnace is stopped has been described. In the case of tapping, the weight of the furnace itself is subtracted from the measured value of the load cell 4 for measuring the weight of the furnace to obtain the weight of the melt A in the furnace, and the weight of the melt A in the furnace and the specific gravity of the melt and the furnace The height of the bath surface may be calculated from the inner diameter of the body 1, and the gate member 13 may be moved up and down so that the head height H becomes a height at which a target hot water discharge amount can be obtained. Further, in the above embodiment, the gate member 13 is moved up and down based on the measured value of the load cell 4 for measuring the weight of the furnace, but instead of the load cell 4, the furnace is placed in the furnace as shown by the chain line in FIG. A level meter 15 for measuring the height of the bath surface of the inner melt A may be provided, and the gate member 13 may be moved up and down according to the height of the bath surface measured by the level meter 15. Further, in the above embodiment,
Although the electric melting furnace for melting the rock wool raw material having the blast furnace slag as the main raw material has been described, the present invention can also be applied to quantitative tapping from the electric melting furnace for melting the rock wool raw material of the mineral substances such as andesite and basalt. Of course, the present invention is not limited to rock wool, but can be applied to, for example, a fixed amount of hot water discharged from an electric melting furnace of a line for producing alumina silicate fiber or the like.
本発明は、炉体を傾動させる代わりに、ゲート部材を
昇降させてその出湯孔の位置を変えることで定量出湯す
るようにしたものであるから、炉体を傾動させるか、あ
るいはガス圧を制御して定量出湯を行なう従来の方法に
比べて、僅かな設備費で溶融物の出湯量を一定に制御す
ることができる。In the present invention, instead of tilting the furnace body, the gate member is moved up and down to change the position of the tap hole, so that a fixed amount of hot water is discharged. Therefore, the furnace body is tilted or the gas pressure is controlled. The amount of molten metal discharged can be controlled to be constant with a small equipment cost as compared with the conventional method in which the fixed amount of molten metal is discharged.
第１図および第２図は本発明の一実施例を示したもの
で、第１図は電気溶融炉の出湯中の状態の断面図、第２
図はゲート部材の正面図である。 １……炉体、1a……出湯口、４……炉重量測定用ロード
セル、13……ゲート部材、13a……出湯孔、14……ゲー
ト部材昇降機構、15……レベル計、Ａ……炉内溶融物。1 and 2 show one embodiment of the present invention. FIG. 1 is a sectional view of the electric melting furnace during tapping, FIG.
The figure is a front view of the gate member. 1 ... Furnace body, 1a ... Hot water outlet, 4 ... Load cell for measuring furnace weight, 13 ... Gate member, 13a ... Hot water hole, 14 ... Gate member lifting mechanism, 15 ... Level meter, A ... Melt in the furnace.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ２７Ｄ 3/14 Ｆ２７Ｄ 3/14 Ｂ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display area F27D 3/14 F27D 3/14 B
Claims (1)
口から連続して定量出湯する方法において、前記炉壁の
出湯口を縦長の開口とし、この出湯口から流出する溶融
物を、この出湯口を覆う昇降可能なゲート部材に設けた
所定径の出湯孔を介して出湯するとともに、炉内溶融物
の出湯にともない前記ゲート部材を昇降させて、このゲ
ート部材の出湯孔の位置を出湯量が常に一定となるよう
に制御することを特徴とする溶融物の定量出湯方法。1. A method for continuously and quantitatively discharging molten material in an electric melting furnace from a molten metal outlet provided on a furnace wall, wherein the molten metal flowing out from this molten metal outlet is a vertically elongated opening. Is discharged through a tap hole having a predetermined diameter provided in a gate member capable of moving up and down covering the tap hole, and the gate member is moved up and down along with tapping of the molten material in the furnace so that the tap hole of the gate member A method for quantitatively discharging molten metal, wherein the position is controlled so that the amount of molten metal discharged is always constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32811287A JP2514675B2 (en) | 1987-12-24 | 1987-12-24 | Quantitative tapping method of melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32811287A JP2514675B2 (en) | 1987-12-24 | 1987-12-24 | Quantitative tapping method of melt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01167579A JPH01167579A (en) | 1989-07-03 |
| JP2514675B2 true JP2514675B2 (en) | 1996-07-10 |
Family
ID=18206627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32811287A Expired - Lifetime JP2514675B2 (en) | 1987-12-24 | 1987-12-24 | Quantitative tapping method of melt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2514675B2 (en) |
-
1987
- 1987-12-24 JP JP32811287A patent/JP2514675B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01167579A (en) | 1989-07-03 |
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