CN210220643U - Medium-frequency induction furnace for controlling steel casting through side bottom pouring - Google Patents
Medium-frequency induction furnace for controlling steel casting through side bottom pouring Download PDFInfo
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- CN210220643U CN210220643U CN201920726014.XU CN201920726014U CN210220643U CN 210220643 U CN210220643 U CN 210220643U CN 201920726014 U CN201920726014 U CN 201920726014U CN 210220643 U CN210220643 U CN 210220643U
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Abstract
The utility model discloses a side bottom pouring control steel pouring intermediate frequency induction furnace, which comprises a furnace body, wherein an induction coil is arranged in the furnace body, a furnace lining is arranged in the induction coil, a right-angle steel pouring liquid component is hermetically arranged on the side wall of the bottom of the furnace lining, and a horizontal plug rod component for controlling the flow of molten steel is arranged in the right-angle steel pouring liquid component; the vertical outlet end of the right-angle molten steel pouring component is connected with a vertical pouring channel heat-insulating component; the steel casting is controlled by opening and closing the plug rod assembly, and the flow of the molten steel is controlled by adjusting the matching degree of the plug rod assembly and the right-angle molten steel casting assembly; when steel is poured, the melting furnace is moved to the upper part of the part to be poured through the rail, the pouring steel mouth is aligned, and the plug rod assembly is opened to pour the steel; the induction furnace integrates smelting, heat preservation and steel casting control, avoids heat loss in the process of transferring molten steel and simplifies operation; the flow of the molten steel is controllable, the plug rod can be timely opened and closed according to requirements, the flow of the molten steel is adjusted according to requirements, and the waste of the molten steel overflowing and outflowing is avoided.
Description
Technical Field
The patent of the utility model relates to a medium frequency induction electric furnace structure especially relates to a side end is annotated control and is watered medium frequency induction electric furnace structure of steel.
Background
The medium-frequency induction furnace is mainly used in the smelting industry, generates eddy current inside a ferromagnetic material in an induction mode to achieve the purpose of heating and melting, and mainly comprises a furnace shell, an induction coil and a prefabricated or knotted furnace lining material. A steel pouring opening is formed in the top of a traditional induction furnace, molten steel passes through the steel pouring opening, and a speed reduction motor and a hydraulic tilting mode are adopted for steel pouring.
When the intermediate frequency furnace is used in the casting industry, the intermediate frequency furnace is mainly responsible for melting molten steel, pouring high-temperature molten steel into a ladle or a ladle of a pouring machine, and performing secondary casting through the ladle or the pouring machine. In order to ensure that the pouring temperature of the molten steel cannot be lower, a pouring ladle needs to be preheated before use, high-temperature molten steel is supplemented timely to prevent the temperature of the molten steel in the ladle from being too low, and then a casting is poured through a stopper rod control or directly from a water gap of a pouring machine in a pouring mode.
In other industries, such as amorphous or nanocrystalline strip spraying industry, the intermediate frequency furnace also needs to pour molten steel into a tundish or a steady flow pack, and strip spraying is carried out by controlling the flow of the molten steel through a stopper rod at the bottom of the tundish.
Therefore, in the process of transferring the molten steel from the intermediate frequency furnace to a casting ladle or a tundish of a casting machine, heat loss of the molten steel is inevitably generated, the molten steel needs to be supplemented at regular time, or auxiliary heating and heat preservation measures are adopted, and great energy loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a side end notes control intermediate frequency induction furnace of pouring steel that can effectively avoid the heat to scatter and disappear is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: a side-bottom pouring control steel casting medium-frequency induction furnace comprises a furnace body, wherein an induction coil is arranged in the furnace body, a furnace lining is arranged in the induction coil, a right-angle steel casting liquid assembly is hermetically arranged on the side wall of the bottom of the furnace lining, and the horizontal part of the right-angle steel casting liquid assembly transversely penetrates through the induction coil subjected to bottom bending treatment; a horizontal stopper rod assembly used for controlling the flow of molten steel is arranged in the right-angle molten steel pouring assembly; and the vertical outlet end of the right-angle molten steel pouring component is connected with a vertical pouring channel heat-insulating component.
As a preferable technical scheme, the right-angle steel liquid pouring component comprises a horizontal inner liquid outlet part communicated with the inner cavity of the furnace lining, and a right-angle outer liquid outlet part is hermetically arranged on the horizontal inner liquid outlet part; the horizontal plug rod assembly penetrates through the horizontal section of the right-angle outer liquid outlet component and is connected with the horizontal inner liquid outlet component, and the vertical outlet end of the right-angle outer liquid outlet component is connected with the vertical pouring channel heat insulation assembly.
As a preferable technical scheme, a flow limiting table for dividing a flow passage of the horizontal inner liquid outlet component into an inner liquid inlet flow passage and an inner liquid outlet flow passage is arranged in an inner cavity of the horizontal inner liquid outlet component, a flow limiting hole is formed in the flow limiting table, and one end of the horizontal plug rod component penetrates through a horizontal section of the right-angle outer liquid outlet component and abuts against and blocks the flow limiting hole.
As a preferable technical scheme, the inner diameter of the inner liquid outlet flow channel is gradually increased along the flowing direction of the molten steel.
As a preferable technical scheme, one side of the flow-limiting table surface facing the horizontal plug rod assembly is provided with an inner concave arc opening matched with the free end part of the horizontal plug rod assembly, and the flow-limiting hole is positioned in the center of the inner concave arc opening.
As a preferred technical scheme, the free end of the horizontal section of the right-angle outer liquid outlet component is hermetically sleeved at the liquid outlet end of the horizontal inner liquid outlet component, a horizontal flow channel communicated with the inner cavity of the horizontal inner liquid outlet component and a vertical flow channel communicated with the vertical runner heat insulation component are arranged in the right-angle outer liquid outlet component, the horizontal flow channel is communicated with the inner liquid outlet flow channel, and the inner diameters of the two flow channels are gradually increased along the flowing direction of molten steel.
As a preferable technical scheme, the horizontal plug rod assembly comprises a plug rod, the end of the plug rod penetrates through the right-angle outer liquid outlet component and abuts against the inside of the horizontal inner liquid outlet component, and the free end, located outside the right-angle outer liquid outlet component, of the plug rod is connected with a plug rod actuating mechanism.
As a preferred technical scheme, the vertical pouring gate heat insulation assembly comprises a fixed shell fixedly connected with the furnace body, a flow channel lining connected with the vertical outlet end of the right-angle molten steel pouring assembly is sleeved in the fixed shell, a vertical pouring gate is arranged in the flow channel lining, an axially extending heating assembly is sleeved between the flow channel lining and the fixed shell, and a heat insulation layer is arranged between the heating assembly and the fixed shell.
As a preferred technical scheme, the heating assembly comprises a double-thread silicon carbon rod sleeved on the flow channel lining.
Owing to adopted above-mentioned technical scheme, a side end is annotated control and is watered intermediate frequency induction furnace of steel, includes the furnace body, install induction coil, its characterized in that in the furnace body: a furnace lining is arranged in the induction coil, a right-angle molten steel pouring component is hermetically arranged on the side wall of the bottom of the furnace lining, and the horizontal part of the right-angle molten steel pouring component transversely penetrates through the induction coil subjected to bottom bending treatment; a horizontal stopper rod assembly used for controlling the flow of molten steel is arranged in the right-angle molten steel pouring assembly; the vertical outlet end of the right-angle molten steel pouring component is connected with a vertical pouring channel heat-insulating component; the steel casting is controlled by opening and closing the plug rod assembly, and the flow of the molten steel is controlled by adjusting the matching degree of the plug rod assembly and the right-angle molten steel casting assembly; when steel is required to be poured, the melting furnace is only required to be moved to the upper part of the part to be poured through the rail, aligned to a steel pouring port, and the plug rod assembly is opened to pour the steel; the induction furnace integrates smelting, heat preservation and steel casting control, avoids heat loss in the process of transferring molten steel and simplifies operation; and the flow of the molten steel is controllable, the plug rod assembly can be timely switched on and off according to requirements, the flow of the molten steel is regulated according to requirements, and the waste of the overflow and outflow of the molten steel is avoided.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a cross-sectional view of the structure of an embodiment of the present invention;
FIG. 2 is an overall block diagram of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a vertical runner assembly in accordance with an embodiment of the present invention;
FIG. 4 is a structural view of an electric furnace induction coil according to an embodiment of the present invention;
in the figure: 11-a furnace body; 12-furnace lining; 13-an induction coil; 21-horizontal internal liquid outlet part; 22-an inner liquid inlet flow channel; 23-inner liquid outlet flow channel; 24-a current limiting station; 25-a flow restriction orifice; 31-right-angle external liquid outlet component; 32-horizontal flow path; 33-vertical flow channel; 4-a stopper rod; 51-a stationary housing; 52-flow passage lining; 53-insulating layer; 54-double thread silicon carbide rod.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and 2, the medium-frequency induction furnace for controlling steel casting through side bottom pouring comprises a furnace body 11, wherein an induction coil 13 is installed in the furnace body 11, the induction coil 13 is provided with a furnace lining 12 formed through ramming, as shown in fig. 4, a right-angle molten steel casting component is hermetically installed on the side wall of the bottom of the furnace lining 12, and the horizontal part of the right-angle molten steel casting component transversely penetrates through the induction coil 13 subjected to bottom bending treatment; a horizontal stopper rod assembly used for controlling the flow of molten steel is arranged in the right-angle molten steel pouring assembly; and the vertical outlet end of the right-angle molten steel pouring component is connected with a vertical pouring channel heat-insulating component.
The right-angle molten steel pouring component comprises a horizontal inner liquid outlet part 21 communicated with the inner cavity of the furnace lining 12, and a right-angle outer liquid outlet part 31 is hermetically arranged on the horizontal inner liquid outlet part 21; the horizontal plug rod assembly penetrates through the horizontal section of the right-angle outer liquid outlet component 31 and is connected with the horizontal inner liquid outlet component 21, and the vertical outlet end of the right-angle outer liquid outlet component 31 is connected with the vertical pouring channel heat insulation assembly. The horizontal inner liquid outlet part 21 transversely penetrates through the induction coil 13 with the bottom bent, the horizontal inner liquid outlet part 21 of the side bottom pouring steel system is coated by the induction coil 13, and an alternating magnetic field is generated around the horizontal inner liquid outlet part 21 to keep the temperature of and heat the molten steel.
A flow limiting table 24 for dividing the flow channel of the horizontal inner liquid outlet component 21 into an inner liquid inlet flow channel 22 and an inner liquid outlet flow channel 23 is arranged in the inner cavity of the horizontal inner liquid outlet component 21, a flow limiting hole 25 is arranged on the flow limiting table 24, and one end of the horizontal plug rod assembly penetrates through the horizontal section of the right-angle outer liquid outlet component 31 and abuts against and blocks the flow limiting hole 25. The inner diameter of the inner liquid outlet flow channel 23 is gradually increased along the flowing direction of the molten steel. One side of the flow limiting table 24 facing the horizontal plug rod assembly is provided with an inner concave arc opening matched with the free end part of the horizontal plug rod assembly, and the flow limiting hole 25 is positioned in the center of the inner concave arc opening. The free end of the horizontal section of the right-angle outer liquid outlet component 31 is hermetically sleeved at the liquid outlet end of the horizontal inner liquid outlet component 21, a high-temperature sealing ring is arranged between the horizontal inner liquid outlet component 21 and the right-angle outer liquid outlet component 31, and the right-angle outer liquid outlet component 31 is provided with a fastening component which is tightly hooped on the horizontal inner liquid outlet component 21; and a horizontal flow passage 32 communicated with the inner cavity of the horizontal inner liquid outlet part 21 and a vertical flow passage 33 communicated with the vertical runner heat-insulating assembly are arranged in the right-angle outer liquid outlet part 31, the horizontal flow passage 32 is communicated with the inner liquid outlet flow passage 23, and the inner diameters of the two flow passages are gradually increased along the flowing direction of molten steel.
The horizontal plug rod assembly comprises a plug rod 4, the end part of the plug rod 4 penetrates through the right-angle outer liquid outlet part 31 and abuts against the horizontal inner liquid outlet part 21, the free end, located outside the right-angle outer liquid outlet part 31, of the plug rod 4 is connected with a plug rod executing mechanism, the plug rod executing mechanism adopts a commonly used structure in the prior art, and the repeated description is omitted.
The vertical pouring channel heat-insulating assembly comprises a fixed shell 51 fixedly connected with the furnace body 11, as shown in fig. 3, a flow channel lining 52 connected with the vertical outlet end of the right-angle molten steel pouring assembly is sleeved in the fixed shell, a vertical pouring channel is arranged in the flow channel lining 52 and communicated with the vertical flow channel 33, an axially extending heating assembly is sleeved between the flow channel lining 52 and the fixed shell 51, and a heat-insulating layer 53 is arranged between the heating assembly and the fixed shell 51. The heating assembly includes a double threaded silicon carbide rod 54 that fits over the runner liner 52.
The device controls the pouring of steel through the opening and closing of the plug rod 4, and adjusts the relative position of the plug rod 4 and the throttling hole 25 to adjust the molten steel flow rate. When steel is required to be poured, the melting furnace is only required to move to the upper part of the part to be poured through the rail, the melting furnace is aligned to a pouring steel port, and the plug rod 4 is opened to pour the steel. The electric furnace structure organically integrates smelting, heat preservation and steel casting control, avoids heat loss in the molten steel transfer process and simplifies operation. The molten steel flow is controllable, the plug rod 4 can be timely switched on and off according to requirements, and the molten steel flow can be adjusted according to requirements, so that the waste caused by the overflow of the molten steel is avoided.
In order to better solve the technical problems in the prior art, the technical key points of the specific implementation mode of the technical scheme are as follows:
1. the lower part of the induction coil 13 side is provided with a mounting position of a right-angle molten steel pouring component through bending of a copper pipe;
2. burying a prefabricated horizontal internal liquid outlet part 21 of the right-angle molten steel pouring assembly into a corresponding position at the bottom of the side of the furnace lining 12, and tamping firmly;
3. the joint of the right-angle outer liquid outlet component 31 and the horizontal inner liquid outlet component 21 is reliably sealed by a high-temperature-resistant sealing gasket;
4. the vertical pouring channel is connected with the right-angle outer liquid outlet part 31 by a sealing ring and is reliably fixed;
5. the right-angle outer liquid outlet part 31 is arranged in the horizontal direction, the inner diameter of the right-angle outer liquid outlet part is gradually increased along the flowing direction of the molten steel, and a certain angle is formed between the transverse direction and the horizontal direction so as to prevent the molten steel from remaining;
6. the joint of the concave arc opening in the flow limiting table 24 of the horizontal internal liquid outlet component 21 and the plug rod 4 is ground by high-temperature cement to ensure that the horizontal internal liquid outlet component 21 and the plug rod 4 keep good sealing performance in a closed state;
7. the external part of the vertical pouring gate adopts a double-thread carbon silicon tube heating and heat preservation mode, so that the vertical pouring gate is prevented from being rapidly cooled and damaged, and the solidification and slag adhering of molten steel in the vertical pouring gate are reduced;
8. the melting furnace directly pours the molten steel into the required workpiece in a side-bottom pouring mode, and an intermediate molten steel transfer link is removed;
9. the molten steel flow is controlled by the opening amplitude of the steel pouring plug rod 4 of the melting furnace, and the molten steel flow and the opening and closing of the plug rod 4 are controlled by setting feedback modes such as liquid level or weighing according to workpiece requirements.
To sum up, the beneficial effects of the utility model are that: the side-bottom pouring control steel casting intermediate frequency induction furnace integrates smelting, heat preservation and casting control, saves an intermediate molten steel transfer link, and improves the steel casting control precision by carrying out feedback control on the molten steel flow through the plug rod 4.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a side end is annotated medium frequency induction furnace of control steel of watering, includes the furnace body, install induction coil, its characterized in that in the furnace body: a furnace lining is arranged in the induction coil, a right-angle molten steel pouring component is hermetically arranged on the side wall of the bottom of the furnace lining, and the horizontal part of the right-angle molten steel pouring component transversely penetrates through the induction coil subjected to bottom bending treatment; a horizontal stopper rod assembly used for controlling the flow of molten steel is arranged in the right-angle molten steel pouring assembly; and the vertical outlet end of the right-angle molten steel pouring component is connected with a vertical pouring channel heat-insulating component.
2. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 1, characterized in that: the right-angle molten steel pouring component comprises a horizontal inner liquid outlet part communicated with the inner cavity of the furnace lining, and a right-angle outer liquid outlet part is hermetically arranged on the horizontal inner liquid outlet part; the horizontal plug rod assembly penetrates through the horizontal section of the right-angle outer liquid outlet component and is connected with the horizontal inner liquid outlet component, and the vertical outlet end of the right-angle outer liquid outlet component is connected with the vertical pouring channel heat insulation assembly.
3. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 2, characterized in that: the inner cavity of the horizontal inner liquid outlet component is internally provided with a flow limiting table which divides the flow channel into an inner liquid inlet flow channel and an inner liquid outlet flow channel, the flow limiting table is provided with a flow limiting hole, and one end of the horizontal plug rod assembly penetrates through the horizontal section of the right-angle outer liquid outlet component and is abutted against and blocked the flow limiting hole.
4. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 3, characterized in that: the inner diameter of the inner liquid outlet flow channel is gradually increased along the flowing direction of the molten steel.
5. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 3, characterized in that: one side of the flow limiting table facing the horizontal plug rod assembly is provided with an inner concave arc opening matched with the free end part of the horizontal plug rod assembly, and the flow limiting hole is located in the center of the inner concave arc opening.
6. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 3, characterized in that: the liquid outlet end of the liquid outlet component in the horizontal direction is sleeved with the free end of the horizontal section of the right-angle outer liquid outlet component in a sealing mode, a horizontal flow channel communicated with the inner cavity of the liquid outlet component in the horizontal direction and a vertical flow channel communicated with the vertical pouring channel heat insulation component are arranged in the right-angle outer liquid outlet component, the horizontal flow channel is communicated with the inner liquid outlet flow channel, and the inner diameters of the two flow channels are gradually increased along the flowing direction of molten steel.
7. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 2, characterized in that: the horizontal plug rod assembly comprises a plug rod, the end part of the plug rod penetrates through the right-angle outer liquid outlet component and abuts against the plug rod in the horizontal inner liquid outlet component, and the free end, located outside the right-angle outer liquid outlet component, of the plug rod is connected with a plug rod executing mechanism.
8. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 1, characterized in that: the vertical pouring gate heat insulation assembly comprises a fixed shell fixedly connected with the furnace body, a flow channel lining connected with the vertical outlet end of the right-angle molten steel pouring assembly is sleeved in the fixed shell, a vertical pouring gate is arranged in the flow channel lining, an axially extending heating assembly is sleeved between the flow channel lining and the fixed shell, and a heat insulation layer is arranged between the heating assembly and the fixed shell.
9. The medium frequency induction furnace for side bottom pouring controlled steel casting according to claim 8, characterized in that: the heating assembly comprises a double-thread silicon-carbon rod sleeved on the flow channel lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920726014.XU CN210220643U (en) | 2019-05-17 | 2019-05-17 | Medium-frequency induction furnace for controlling steel casting through side bottom pouring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920726014.XU CN210220643U (en) | 2019-05-17 | 2019-05-17 | Medium-frequency induction furnace for controlling steel casting through side bottom pouring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186280A (en) * | 2019-05-17 | 2019-08-30 | 山东电亮亮信息科技有限公司 | The medium-frequency induction furnace of steel is poured in a kind of side rising pouring control |
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2019
- 2019-05-17 CN CN201920726014.XU patent/CN210220643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186280A (en) * | 2019-05-17 | 2019-08-30 | 山东电亮亮信息科技有限公司 | The medium-frequency induction furnace of steel is poured in a kind of side rising pouring control |
| CN110186280B (en) * | 2019-05-17 | 2024-04-12 | 山东电亮亮信息科技有限公司 | Medium frequency induction furnace for controlling pouring of steel by side bottom pouring |
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