CN220507995U - Residual wall thickness monitoring system for refractory material of induction furnace - Google Patents
Residual wall thickness monitoring system for refractory material of induction furnace Download PDFInfo
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- CN220507995U CN220507995U CN202321839002.0U CN202321839002U CN220507995U CN 220507995 U CN220507995 U CN 220507995U CN 202321839002 U CN202321839002 U CN 202321839002U CN 220507995 U CN220507995 U CN 220507995U
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- wall thickness
- furnace lining
- residual wall
- induction furnace
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- 230000006698 induction Effects 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 239000011819 refractory material Substances 0.000 title claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 6
- 239000004568 cement Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000010309 melting process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
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- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model relates to the technical field of monitoring of electric furnace walls, in particular to a system for monitoring residual wall thickness of refractory materials of an induction furnace. The system for monitoring the residual wall thickness of the refractory material of the induction furnace comprises: the furnace lining is arranged in the furnace body of the induction furnace, and the furnace lining is sleeved with a plurality of tightening rings; the detection ends of the temperature detection units are uniformly arranged on the outer wall of the furnace lining, and the controller is in communication connection with the temperature detection units, the molten iron seepage display module and the furnace lining residual wall thickness display module. The utility model can monitor the residual wall thickness of the furnace lining in real time, improves the precision of furnace lining detection, does not need manual measurement, and is convenient to operate.
Description
Technical Field
The utility model relates to the technical field of monitoring of electric furnace walls, in particular to a system for monitoring residual wall thickness of refractory materials of an induction furnace.
Background
The molten iron in modern foundry is mostly melted by adopting an electric furnace, and a furnace lining (commonly called a crucible) in the electric furnace is a main component. The furnace lining is continuously consumed and thinned in the melting process, and particularly, the erosion speeds of different parts of the furnace lining are different due to the effects of high-temperature molten iron and furnace gas, so that the thickness of the furnace lining is different all over the time after the furnace lining is used.
To ensure production safety, the thickness of the furnace lining at the thinnest part must be ensured to be within a safe range. Therefore, detecting the thickness of each part of the furnace lining is an important task for furnace lining maintenance.
The traditional furnace lining thickness detection method is to measure the inner diameter of a furnace hearth by manually using a meter ruler, and convert the thickness of the furnace lining by comparing the initial thickness of the furnace lining. However, this manual measurement method has a large error and is inconvenient to operate.
Disclosure of Invention
In order to solve the problems, the utility model provides a system for monitoring the residual wall thickness of the refractory material of an induction furnace, which can monitor the residual wall thickness of a furnace lining in real time, improves the precision of the detection of the furnace lining, does not need manual measurement, and is convenient to operate.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a system for monitoring the residual wall thickness of a refractory material of an induction furnace, comprising: the furnace lining is arranged in the furnace body of the induction furnace, and the furnace lining is sleeved with a plurality of tightening rings; the detection ends of the temperature detection units are uniformly arranged on the outer wall of the furnace lining, and the controller is in communication connection with the temperature detection units, the molten iron seepage display module and the furnace lining residual wall thickness display module.
Further, the temperature detection unit includes a thermistor.
Further, the system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises an alarm device, and the alarm device is connected with the controller.
Further, the alarm device comprises an alarm lamp and a buzzer, and the controller is connected with the alarm lamp and the buzzer.
Further, a coil is wound on the periphery of the furnace lining, and the coil is connected with a power module of the induction furnace.
Further, the system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises a power supply cabinet, and the power supply module is arranged on the power supply cabinet.
Further, the system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises an insulating layer, wherein the insulating layer is sleeved on the temperature detection units and is used for isolating the temperature detection units from the coils.
Further, the induction furnace comprises a refractory cement bottom, the furnace lining is arranged on the refractory cement bottom, and a coil supporting table is arranged on the periphery of the furnace lining and used for supporting the coil.
The utility model has the beneficial effects that:
the utility model comprises: the furnace lining is arranged in the furnace body of the induction furnace, and the furnace lining is sleeved with a plurality of tightening rings; the detection ends of the temperature detection units are uniformly arranged on the outer wall of the furnace lining, and the controller is in communication connection with the temperature detection units, the molten iron seepage display module and the furnace lining residual wall thickness display module. The temperature detection unit, the controller, the molten iron seepage display module and the furnace lining residual wall thickness display module can monitor the furnace lining residual wall thickness in real time, improve the furnace lining detection precision, do not need manual measurement, and are convenient to operate.
Drawings
FIG. 1 is a schematic connection diagram of a refractory residual wall thickness monitoring system of an induction furnace according to the present utility model.
Fig. 2 is a sectional view of an induction furnace according to the present utility model.
Reference numerals illustrate: 1. a furnace lining; 2. a coil support; 3. and the bottom of the refractory cement.
Detailed Description
Referring to fig. 1-2, the utility model relates to a residual wall thickness monitoring system for a refractory material of an induction furnace, which needs to be described, wherein the refractory material of the induction furnace is a furnace lining 1 (commonly called a crucible); the induction furnace is characterized in that three-phase power frequency alternating current is rectified and then changed into direct current, then the direct current is changed into adjustable current, alternating current flowing through a capacitor and an induction coil is supplied, high-density magnetic force lines are generated in the induction coil, metal materials contained in the induction coil are cut, and large eddy currents are generated in the metal materials. Such eddy currents also have some of the properties of medium frequency currents, i.e. free electrons of the metal itself flow in a resistive metal body to generate heat which continues to melt the metal. In the melting process, the furnace lining 1 is continuously consumed and thinned, and meanwhile, the erosion speeds of different parts of the furnace lining 1 are different, so that the thickness of the furnace lining 1 is different all over the time after the furnace lining is used. The safe use thickness of the furnace lining 1 is definitely regulated in the process, and when the thickness of the thinnest part of the furnace lining 1 is smaller than a certain value, the furnace lining cannot be repaired any more, and the furnace lining must be disassembled for repainting. Therefore, the real-time monitoring of the residual wall thickness of the refractory material of the induction furnace becomes an important link in the metal melting process.
The system for monitoring the residual wall thickness of the refractory material of the induction furnace comprises: the furnace comprises a furnace lining 1, a controller, a molten iron seepage display module, a furnace lining 1 residual wall thickness display module and a plurality of temperature detection units, wherein the furnace lining 1 is arranged in a furnace body of the induction furnace; the detection ends of the temperature detection units are uniformly arranged on the outer wall of the furnace lining 1, and the controller is in communication connection with the temperature detection units, the molten iron seepage display module and the furnace lining 1 residual wall thickness display module. Further, the system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises a terminal, and the controller, the molten iron seepage display module and the furnace lining 1 residual wall thickness display module are arranged on the terminal.
In the above scheme, the temperature detection unit is used for collecting the temperature of each position of the outer wall of the furnace lining 1; the controller is used for calculating the residual wall thickness data of the furnace lining 1 according to the temperature of the outer wall of the furnace lining 1 and transmitting the residual wall thickness data of the furnace lining 1 to the molten iron seepage display module and the residual wall thickness display module of the furnace lining 1; specifically, as the furnace lining 1 is worn, the distance between the molten pool metal and the temperature detection unit is smaller and smaller, so that the temperature measured by the temperature detection unit is higher and higher, and the residual wall thickness data of the furnace lining 1 can be calculated according to the temperature information.
And displaying a residual wall thickness schematic diagram of the furnace lining 1 through the residual wall thickness display module of the furnace lining 1, and displaying a molten iron seepage schematic diagram through the molten iron seepage display module. In the embodiment, a molten iron seepage schematic diagram shows cracks and molten tongues of a furnace lining 1; so that the manager can more intuitively see the abrasion condition of the furnace lining 1.
The display module of the residual wall thickness of the furnace lining 1 is an existing display module, and can display a schematic diagram of the residual wall thickness of the furnace lining 1 according to the data of the residual wall thickness of the furnace lining 1; the molten iron seepage display module is an existing display module, and can display a molten iron seepage schematic diagram according to the residual wall thickness data of the furnace lining 1.
The residual wall thickness display module of the furnace lining 1 and the molten iron seepage display module are adopted, so that an administrator can conveniently and intuitively check the abrasion condition of the furnace lining 1.
Further, the temperature detecting unit includes a thermistor, and it is noted that the resistivity of the thermistor decreases with an increase in temperature. The thermistor has the advantages of high sensitivity and high precision.
Further, the system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises an alarm device, and the alarm device is connected with the controller. The alarm device comprises an alarm lamp and a buzzer, and the controller is connected with the alarm lamp and the buzzer.
In the above scheme, when the residual wall thickness of the furnace lining 1 is smaller than an alarm threshold value, the controller controls the alarm device to give an alarm so as to remind an administrator of making corresponding treatment preparation.
Further, a coil is wound on the periphery of the furnace lining 1, and the coil is connected with a power module of the induction furnace. The system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises a power supply cabinet, and the power supply module is arranged on the power supply cabinet. The system for monitoring the residual wall thickness of the refractory material of the induction furnace further comprises an insulating layer, wherein the insulating layer is sleeved on the temperature detection units and used for isolating the temperature detection units from the coils.
The induction furnace comprises a refractory cement bottom 3, a furnace lining 1 is arranged on the refractory cement bottom 3, and a coil supporting table 2 is arranged on the periphery of the furnace lining 1 and used for supporting the coil.
The utility model has the beneficial effects that:
the utility model comprises: the furnace lining 1 is arranged in the furnace body of the induction furnace, and the furnace lining 1 is sleeved with a plurality of tightening hoops; the detection ends of the temperature detection units are uniformly arranged on the outer wall of the furnace lining 1, and the controller is in communication connection with the temperature detection units, the molten iron seepage display module and the furnace lining 1 residual wall thickness display module. The temperature detection unit, the controller, the molten iron seepage display module and the furnace lining 1 residual wall thickness display module can monitor the furnace lining 1 residual wall thickness in real time, improve the detection precision of the furnace lining 1, do not need manual measurement, and are convenient to operate.
In addition, the tightening ring can strengthen the pressure resistance of the side wall of the furnace lining 1 and increase the strength of the furnace wall.
The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (8)
1. A system for monitoring the residual wall thickness of a refractory material of an induction furnace, comprising: the furnace lining is arranged in the furnace body of the induction furnace, and the furnace lining is sleeved with a plurality of tightening rings; the detection ends of the temperature detection units are uniformly arranged on the outer wall of the furnace lining, and the controller is in communication connection with the temperature detection units, the molten iron seepage display module and the furnace lining residual wall thickness display module.
2. The induction furnace refractory residual wall thickness monitoring system according to claim 1, wherein the temperature detection unit comprises a thermistor.
3. The induction furnace refractory residual wall thickness monitoring system of claim 1, further comprising an alarm device, the alarm device being connected to the controller.
4. A refractory material residual wall thickness monitoring system according to claim 3, wherein the alarm device comprises an alarm lamp and a buzzer, and the controller is connected with the alarm lamp and the buzzer.
5. The system for monitoring the residual wall thickness of the refractory material of the induction furnace according to claim 1, wherein a coil is wound on the periphery of the furnace lining, and the coil is connected with a power module of the induction furnace.
6. The induction furnace refractory residual wall thickness monitoring system of claim 5, further comprising a power cabinet, wherein the power module is disposed on the power cabinet.
7. The system for monitoring the residual wall thickness of the refractory material of the induction furnace according to claim 5, further comprising an insulating layer, wherein the insulating layer is sleeved on the plurality of temperature detection units and is used for isolating the temperature detection units from the coils.
8. The induction furnace refractory residual wall thickness monitoring system according to claim 5, wherein the induction furnace comprises a refractory cement bottom, the furnace lining is arranged on the refractory cement bottom, and a coil support table is arranged on the periphery of the furnace lining and is used for supporting the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839002.0U CN220507995U (en) | 2023-07-13 | 2023-07-13 | Residual wall thickness monitoring system for refractory material of induction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321839002.0U CN220507995U (en) | 2023-07-13 | 2023-07-13 | Residual wall thickness monitoring system for refractory material of induction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507995U true CN220507995U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321839002.0U Active CN220507995U (en) | 2023-07-13 | 2023-07-13 | Residual wall thickness monitoring system for refractory material of induction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220507995U (en) |
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2023
- 2023-07-13 CN CN202321839002.0U patent/CN220507995U/en active Active
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