JPH11197795A - Continuous type casting device for high temperature molten material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a continuous type casting device which can efficiently, safely and economically cool high temp. molten material. SOLUTION: In the continuous type casting device which has molds 2 fitted to chain plate 1a of endless type chain 1 and continuously supplies the high temp. molten material 3a into each mold 2 while shifting the chain 1, the water surface level of cooling water 5 or the carrying rout of the chain 1 is set so that part except the upper prescribed range positions in the cooling water 5 in each mold 2 supplied with the high temp. molten material 3a, in a prescribed range in the interval from at least the supplying position of the high temp. molten material 3a into the mold 2 to the discharging position of the cooled material cooled in the mold 2. In this way, the mold can effectively be cooled by using inexpensive cooling water just after supplying the high temp. molten material. Further, at the time of cooling, since the water cooling is executed after supplying the high temp. molten material into the mold in a state of no water in the inner part, such danger of what is cooled steam explosion as to instantly vaporize the cooling water caused by being confined within the high temp. molten material in the mold, does not happen.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus capable of continuously casting a high-temperature melt.

[0002]

2. Description of the Related Art When casting a molten material such as metal or slag into a mold, a mold made of a material capable of withstanding the temperature of the molten material is used, and a releasing agent such as lime is applied to the surface of the mold. In the case of a continuous casting apparatus (hereinafter, referred to as a “mold conveyor”) that continuously performs the casting, a metal mold is used from the viewpoint of strength.

[0003]

However, when the temperature of the melt is extremely high, it is difficult to use a general metal mold because the melt damage and deformation are large. Also, when casting under a high temperature atmosphere, it is difficult to use a mold conveyor from the viewpoint of heat resistance.

Therefore, when casting a very high-temperature melt as described above or using a mold conveyor for casting in a high-temperature atmosphere, it is necessary to cool the mold conveyor. At the moment, no effective, safe and economical cooling method has been developed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a continuous casting apparatus for a high-temperature molten material which can be effectively, safely and economically cooled. The purpose is.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, a continuous casting apparatus for a high-temperature melt according to the present invention is provided in a mold from a supply position of the high-temperature melt to a mold or after the supply position. Set the water level of the cooling water or set the transport path of the chain so that the part excluding the upper predetermined area of each mold or the entire mold is located in the cooling water within a predetermined range from the position where the cooled cooling material is discharged. Sprinkling to spray cooling water to the high-temperature melt in each mold in a predetermined range from the setting or the supply position of the high-temperature melt to the mold to the discharge position of the cooled material cooled in the mold. A mechanism is to be provided. In this way, the mold can be effectively, safely, and economically cooled.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first continuous casting apparatus for a high-temperature molten material according to the present invention is characterized in that an endless chain is formed by pivotally connecting both ends of a chain plate. In a continuous casting apparatus that continuously supplies a high-temperature melt to each of these molds while moving the mold, a position between at least a position at which the high-temperature melt is supplied to the mold and a position at which the cooled material cooled in the mold is discharged is moved. In the predetermined range of each mold supplied with the high-temperature molten material, so that the portion other than the upper predetermined range is located in the cooling water, setting the water level of the cooling water or setting the transport path of the chain, or After supplying the high-temperature melt, each mold is completely submerged in the cooling water in a predetermined range from the supply position of the high-temperature melt to the mold to the discharge position of the cooled material cooled in the mold. ,chain It is obtained by setting the conveying path.

Further, in the second continuous casting apparatus for a high-temperature molten material according to the present invention, a mold is attached to the chain plate of an endless chain by pivotally connecting both ends of the chain plate, and the chain is moved. In the continuous casting device that continuously supplies the high-temperature melt to each of these molds, at least from the supply position of the high-temperature melt to the mold,
The cooling water level is set so that a part of the mold to which the high-temperature molten material is supplied is located in the cooling water in a predetermined range before reaching the discharge position of the cooled material cooled in the mold. Or set the transfer route of the chain, and cool the hot melt in each mold within a predetermined range from the supply position of the hot melt to the mold to the discharge position of the cooled material cooled in the mold. A watering mechanism for watering is provided.

In the continuous casting apparatus for hot melt according to the present invention, each mold supplied with the hot melt is surely water-cooled in the path leading to the position for discharging the cooled product, so that it is effective. The mold can be cooled. Further, in the continuous casting apparatus of the high-temperature melt according to the present invention, since water is cooled after supplying the high-temperature melt to each mold without water therein, cooling water is confined in the high-temperature melt in the mold. It is safe without the danger of causing a so-called steam explosion, which evaporates instantaneously.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A continuous casting apparatus for a high-temperature melt according to the present invention will be described below with reference to an embodiment shown in FIGS. FIG. 1 is a view for explaining a main part of a continuous casting apparatus for a high-temperature melt according to the present invention corresponding to claim 1, and FIG. 2 is a continuous casting apparatus for a high-temperature melt according to the present invention according to claim 2. FIG. 3 is a view for explaining a main part of a continuous casting apparatus for a high-temperature molten material according to the present invention.

In FIGS. 1 and 2, reference numeral 1 denotes an endless chain formed by pivotally connecting both ends of a chain plate 1a with, for example, pins, and a metal mold 2 is attached to each of the chain plates 1a. As the chain 1 moves, the molds 2 circulate between a supply position of the high-temperature melt 3a and a discharge position of the cooled material 3b cooled in the mold 2.

Reference numeral 4 denotes a water tank in which a high-temperature molten material 3a is provided.
Is filled with cooling water 5 for cooling the mold 2 supplied with the water. 1, the water level of the cooling water 5 is set so that the mold 2 can be positioned as deep as possible in the cooling water 5 as long as the cooling water 5 does not enter the mold 2. I have.

On the other hand, in the apparatus shown in FIG. 2, for example, from the position before the hot melt 3 a is supplied from the hot pot 6 to the mold 2 through the pouring device 7 lined with refractory, The mold 2 is completely introduced into the cooling water 5 from the point at which the mold 2 is gradually put into the cooling water 5 until the high-temperature molten material 3a is supplied to the mold 2 and the position at which the cooling material 3b is discharged. The transport path of the chain 1 is set so as to be submerged.

In the embodiment shown in FIG.
The mold 2 is drawn out into the air just before this, and after the cooling material 3b is discharged at the discharge position 8, the mold 2 is cooled again by being immersed in the cooling water 5 on the path returning to the supply position of the high-temperature molten material 3a. , The water is drawn out into the air just before the supply position to drain the inside of the mold 2.

On the other hand, in FIG. 3, a sprinkling pipe 9 for sprinkling the cooling water 5 is provided between the position after the supply of the high-temperature melt 3a to the mold 2 and the position where the cooling material 3b is discharged, The cooling water 5 is sprayed from a large number of nozzles 9 a installed in the watering pipe 9 toward the high-temperature melt 3 a in each mold 2.

The continuous casting apparatus for a high-temperature melt according to the present invention has the above-described configuration, and each mold 2 is sufficiently cooled before the high-temperature melt 3a is supplied.
Each mold 2 supplied with the high-temperature melt 3a can be surely and effectively water-cooled by the inexpensive cooling water 5 in the path leading to the discharge position of the coolant 3b. Thereby, the high-temperature molten material 3a in the mold 2 is cooled and solidified in a short time, contracts, and is easily separated without being fixed to the mold 2.

In the above-described continuous casting apparatus for high-temperature molten material according to the present invention, since the high-temperature molten material is supplied to each mold without water therein and then cooled with water, the cooling water is melted in the mold at a high temperature. You are not trapped in an object. Therefore,
It does not cause a so-called steam explosion, in which water trapped inside evaporates instantaneously.

FIG. 4 shows the apparatus shown in FIG.
FIG. 4 is a diagram showing a cooling rate when molten steel slag having a melting point of is cast into a mold by a thickness of 40 mm. The temperature of the cooling water in the water tank at the time of casting was 80 ° C. As is clear from FIG. 4, as shown in FIG.
Mold 2 indicated by thermometer 10a arranged at the bottom of mold 2
The surface temperature inside was cooled to the water temperature in about 4 minutes, while the temperature at the center of the slag cast in mold 2 indicated by thermometer 10b was cooled to the water temperature in about 8 minutes.

As described above, when the continuous casting apparatus for a high-temperature melt according to the present invention is used, the temperature of the mold 2 can be maintained at a temperature sufficiently lower than the melting point of the material of the mold. Can be cooled to the cooling water temperature in a short time. In the embodiment shown in FIG. 2, a transfer time of 10 minutes or less from the casting to the discharge after cooling is sufficient.

In the embodiment shown in FIG. 1, a description has been given of an example in which the water level of the cooling water 5 filled in the water tank 4 is set so that the portion other than the upper part of the mold 2 is located in the cooling water 5. Instead of this, a portion excluding the upper part of the mold 2 may be located in the cooling water 5 by setting the transport path of the chain 1.

[0021]

As described above, according to the continuous casting apparatus for hot melt according to the present invention, the mold can be effectively cooled using inexpensive cooling water immediately after the hot melt is supplied. Can be. Further, at the time of cooling, in the continuous casting apparatus for a high-temperature melt according to the present invention, since the high-temperature melt is supplied to the mold having no water therein and then cooled with water, the cooling water is confined in the high-temperature melt in the mold. There is no danger of causing a so-called steam explosion, which evaporates instantaneously.

[Brief description of the drawings]

FIG. 1 is a view for explaining a main part of an embodiment of a continuous casting apparatus for a high-temperature molten material according to the present invention corresponding to claim 1;

FIG. 2 is an overall view of one embodiment of a continuous casting apparatus for a high-temperature molten material according to the present invention corresponding to claim 2;

FIG. 3 is a view for explaining a main part of one embodiment of a continuous casting apparatus for a high-temperature molten material according to the present invention corresponding to claim 3;

FIG. 4 is a diagram showing a cooling curve when a high-temperature melt is cast into the high-temperature melt continuous casting apparatus according to the present invention shown in FIG. 2;

FIG. 5 is a layout diagram of a thermometer installed on a mold used when the cooling curve of FIG. 4 is obtained.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Chain 1a Chain plate 2 Mold 3a Hot melt 3b Cooled material 5 Cooling water 9 Sprinkling pipe

Claims (3)

[Claims] 1. An endless chain formed by pivotally connecting both ends of a chain plate. A mold is attached to the chain plate, and the high-temperature molten material is continuously supplied to each of the molds while moving the chain. In the continuous casting device, at least a predetermined range from a supply position of the high-temperature melt to the mold to a discharge position of a cooled material cooled in the mold, an upper predetermined range of each mold supplied with the high-temperature melt. A continuous casting apparatus for a high-temperature molten material, wherein a water level of the cooling water is set or a chain transport path is set so that portions other than the cooling water are located in the cooling water. 2. After the hot melt is supplied, each mold is completely filled with cooling water within a predetermined range from a position where the hot melt is supplied to the mold to a position where the cooled material cooled in the mold is discharged. 2. A continuous casting apparatus for a high-temperature molten material according to claim 1, wherein a conveying path of the chain is set so as to be submerged in water. 3. After the high-temperature melt is supplied, the high-temperature melt in each mold falls within a predetermined range from a position where the high-temperature melt is supplied to the mold to a position where the cooled material cooled in the mold is discharged. 2. The continuous casting apparatus for hot melts according to claim 1, further comprising a water spray mechanism for spraying cooling water.