CN214572149U - Aluminum coil annealing furnace - Google Patents
Aluminum coil annealing furnace Download PDFInfo
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- CN214572149U CN214572149U CN202120572677.8U CN202120572677U CN214572149U CN 214572149 U CN214572149 U CN 214572149U CN 202120572677 U CN202120572677 U CN 202120572677U CN 214572149 U CN214572149 U CN 214572149U
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Abstract
The utility model discloses an aluminium coil annealing furnace, the induction cooker comprises a cooker bod, synthetic rectangle furnace chamber is enclosed to the furnace body, furnace body one side is provided with the furnace gate, be provided with negative pressure exhaust apparatus on the furnace body upper wall surface, be provided with circulating fan in the furnace chamber, be provided with multiunit resistance heater on the furnace body lateral wall internal surface, be provided with at least one temperature sensor in the furnace chamber, still include host system, host system respectively with the furnace gate negative pressure exhaust apparatus circulating fan temperature sensor electric connection, host system still loops through cycle zero cross trigger, silicon controlled rectifier and resistance heater electric connection, host system is used for acquireing temperature sensor data, and control aluminium coil annealing furnace operation. Utilize the technical scheme of the utility model, control resistance heater through cycle zero passage trigger and silicon controlled rectifier, power utilization effectively improves, and the temperature control accuracy is stable in the furnace chamber, and environment-friendly.
Description
Technical Field
The utility model belongs to the technical field of the aluminum alloy manufacture equipment and specifically relates to an aluminium coil annealing furnace is related to.
Background
Aluminum is the metal with the largest external application amount except steel in the world at present, the application range of aluminum is very wide, and aluminum has special chemical and physical properties, not only is light in weight and firm in texture, but also has good ductility, electrical conductivity, thermal conductivity, heat resistance and nuclear radiation resistance, and is an important basic raw material for national economic development. Annealing is a common process in aluminum processing to soften a cast, forged, welded or machined material or workpiece, improve plasticity and toughness, homogenize chemical compositions, remove residual stress, or obtain desired physical properties. The annealing furnace is indispensable processing equipment in annealing processing, and the aluminium coil annealing furnace is applicable to the aluminium coiled material after rolling and again carries out annealing treatment in order to satisfy the next step processing technology of aluminium coiled material, and aluminium coil annealing treatment process requires extremely high temperature requirement, requires the difference in temperature not to exceed 3 ℃, therefore requires that the temperature control is accurate stable.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an aluminium book annealing stove, the induction cooker comprises a cooker bod, the furnace body encloses synthetic rectangle furnace chamber, furnace body one side is provided with the furnace gate, be provided with negative pressure exhaust apparatus on the furnace body upper wall surface, be provided with circulating fan in the furnace chamber, be provided with multiunit resistance heater on the furnace body lateral wall internal surface, be provided with at least one temperature sensor in the furnace chamber, still include host system, host system respectively with the furnace gate negative pressure exhaust apparatus circulating fan temperature sensor electric connection, host system still loops through frequency zero cross trigger, silicon controlled rectifier and resistance heater electric connection, host system is used for acquireing temperature sensor data, and control aluminium book annealing stove operation.
Furthermore, the main control module is electrically connected with the furnace door, the negative pressure exhaust device, the circulating fan and the temperature sensor through a CAN bus respectively.
Further, the circulating fan is a variable frequency circulating fan.
Furthermore, the negative pressure exhaust device is a variable-frequency negative pressure exhaust device.
Further, negative pressure exhaust apparatus includes frequency conversion fan, frequency conversion fan air outlet narrows down, the air outlet overcoat is established the negative pressure chamber, the furnace chamber pass through the blast pipe with the negative pressure chamber links to each other, so that waste gas passes through in the furnace chamber the negative pressure chamber export is discharged, wherein frequency conversion fan with host system links to each other and receives host system control.
Furthermore, a switch valve is arranged in the middle section of the exhaust pipe, and the switch valve is connected with the main control module and controlled by the main control module.
Utilize the technical scheme of the utility model, control resistance heater through cycle zero passage trigger and silicon controlled rectifier, power utilization effectively improves, and the temperature control accuracy is stable in the furnace chamber, and environment-friendly.
Drawings
FIG. 1 is a schematic view of an aluminum coil annealing furnace according to an embodiment of the present invention.
FIG. 2 is a schematic view of a control system module of an aluminum coil annealing furnace according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a negative pressure exhaust device in an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Embodiment one, as shown in fig. 1 and fig. 2, an aluminum coil annealing furnace includes a furnace body 9, the furnace body 9 encloses a rectangular furnace chamber 10, a furnace door 2 is disposed on one side of the furnace body 9, a negative pressure exhaust device 3 is disposed on an outer surface of an upper wall of the furnace body 9, a circulating fan 4 is disposed in the furnace chamber 10, a plurality of sets of resistance heaters 8 (only one set is shown in the figure) are disposed on an inner surface of a side wall of the furnace body 9, at least one temperature sensor 5 is disposed in the furnace chamber 10, the aluminum coil annealing furnace further includes a main control module 1, the main control module 1 is electrically connected to the furnace door 2, the negative pressure exhaust device 3, the circulating fan 4 and the temperature sensor 5 respectively, the main control module 1 is further electrically connected to the resistance heaters 8 through a frequency zero-crossing trigger 6, a thyristor 7 and the resistance heaters 8 in sequence, the main control module 1 is used for acquiring data of the temperature sensor 5, and controlling the operation of the aluminum coil annealing furnace. It can be understood, furnace gate 2 includes the motor, in the use, main control module 1 issues the door opening order, furnace gate 2 lifts up under the drive of motor and opens, conveying car 11 is automatic to be rolled out, fix the aluminium book on conveying car 11 back, conveying car 11 drives back in furnace chamber 10, main control module 1 control aluminium book annealing stove begins work, wherein main control module 1 obtains the temperature data in furnace chamber 10 through temperature sensor 5, through cycle zero cross trigger 6 and 7 accurate control resistance heater 8 generate heat of silicon controlled rectifier, and then guarantee the temperature in furnace chamber 10, resistance heater 8 has the multiunit, evenly distributed is on the internal surface of furnace body 9 lateral wall. In other embodiments, the temperature sensor 5 may be provided in a plurality and uniformly distributed in the cavity 10, so as to control the temperature more precisely, which is not limited herein. Meanwhile, in order to ensure uniform temperature in the furnace chamber 10, the circulating fan 4 is used for driving air to flow, the circulating fan 4 is a variable-frequency circulating fan, and the energy-saving and better operation effects can be achieved under the control of the main control module. The main control module 1 is electrically connected with the furnace door 2, the negative pressure exhaust device 3, the circulating fan 4, the temperature sensor 5 and the cycle zero-crossing trigger 6 through a CAN bus respectively.
The surface of the rolled aluminum coil has an oil layer, the oil layer is gasified in a high-temperature state, the oil layer needs to be discharged out of the furnace chamber 10 to avoid influencing the quality of the aluminum coil, and the aluminum coil is directly drawn out by a centrifugal fan commonly adopted at present. By adopting the mode, the centrifugal fan inevitably contacts oil stains for a long time, the smoke exhaust effect is reduced, the service life is influenced, and frequent maintenance is needed. Based on this, as shown in fig. 3, the present embodiment provides a negative pressure exhaust apparatus 3, and the negative pressure exhaust apparatus 3 is a variable frequency negative pressure exhaust apparatus. Specifically, negative pressure exhaust apparatus 3 includes frequency conversion fan 301, frequency conversion fan 301 air outlet 302 narrows down, negative pressure chamber 303 is established to air outlet 302 overcoat, furnace chamber 10 through blast pipe 305 with negative pressure chamber 303 links to each other, so that 10 waste gas passes through in the furnace chamber negative pressure chamber 303 export 304 discharges, wherein frequency conversion fan 301 with host system 1 links to each other and receives host system 1 control, blast pipe 305 middle section is provided with ooff valve 306, ooff valve 306 with host system 1 links to each other and receives host system 1 control. During operation, frequency conversion fan 301 need not direct contact greasy dirt, can effectively improve the reliability, is controlled by host system 1 is unified simultaneously, can effectively promote exhaust efficiency.
Utilize the technical scheme of the utility model, control resistance heater through cycle zero passage trigger and silicon controlled rectifier, power utilization effectively improves, and the temperature control accuracy is stable in the furnace chamber, and environment-friendly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an aluminium coil annealing furnace, includes the furnace body, the furnace body encloses synthetic rectangle furnace chamber, furnace body one side is provided with the furnace gate, be provided with negative pressure exhaust apparatus on the furnace body upper wall surface, be provided with circulating fan in the furnace chamber, be provided with multiunit resistance heater on the furnace body lateral wall internal surface, be provided with at least one temperature sensor in the furnace chamber, its characterized in that still includes host system, host system respectively with the furnace gate negative pressure exhaust apparatus circulating fan temperature sensor electric connection, host system still loops through cycle zero cross trigger, silicon controlled rectifier and resistance heater electric connection, host system is used for acquireing temperature sensor data, and control aluminium coil annealing furnace operation.
2. The aluminum coil annealing furnace according to claim 1, wherein the master control module is electrically connected with the furnace door, the negative pressure exhaust device, the circulating fan and the temperature sensor through CAN buses respectively.
3. The aluminum coil annealing furnace according to claim 1 or 2, wherein the circulating fan is a variable frequency circulating fan.
4. The aluminum coil annealing furnace according to claim 1 or 2, wherein the negative pressure exhaust device is a variable frequency negative pressure exhaust device.
5. The aluminum coil annealing furnace according to claim 4, wherein the negative pressure exhaust device comprises a variable frequency fan, an air outlet of the variable frequency fan is narrowed, a negative pressure chamber is sleeved outside the air outlet, the furnace chamber is connected with the negative pressure chamber through an exhaust pipe, so that waste gas in the furnace chamber is discharged through an outlet of the negative pressure chamber, and the variable frequency fan is connected with the main control module and is controlled by the main control module.
6. The aluminum coil annealing furnace according to claim 5, characterized in that a switch valve is arranged in the middle section of the exhaust pipe, and the switch valve is connected with the main control module and is controlled by the main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120572677.8U CN214572149U (en) | 2021-03-22 | 2021-03-22 | Aluminum coil annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120572677.8U CN214572149U (en) | 2021-03-22 | 2021-03-22 | Aluminum coil annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214572149U true CN214572149U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120572677.8U Active CN214572149U (en) | 2021-03-22 | 2021-03-22 | Aluminum coil annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214572149U (en) |
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2021
- 2021-03-22 CN CN202120572677.8U patent/CN214572149U/en active Active
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