Device for high-temperature annealing of oriented silicon steel and high-temperature annealing method of oriented silicon steel
A technology of oriented silicon steel and high temperature annealing, applied in furnaces, heat treatment equipment, heat treatment furnaces and other directions, it can solve the problems of waste of trimming and wave shape of the curled edge of oriented silicon steel, and achieve small trimming amount, uniform force and deformation. small amount of effect
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Embodiment 1
[0040] Please refer to image 3 and Figure 4 , this embodiment discloses a device 10 for high-temperature annealing of oriented silicon steel, comprising an annealing base plate 100 and a sandy or powdery non-metallic high-temperature resistant filler 200, the annealing base plate 100 is provided with a central axis hole 110, and one side of the annealing base plate 100 is provided with a ring groove 120, and the annular groove 120 coincides with the center line 130 of the central shaft hole 110, and the sandy or powdery non-metallic high-temperature-resistant filler 200 is filled in the annular groove 120, wherein the device 10 for high-temperature annealing of oriented silicon steel is used to The silicon steel coil 20 is placed on the annealing bottom plate 100 and the outer edge of the oriented silicon steel coil 20 is suspended on the annular groove 120 for high temperature annealing.
[0041] The inventors found that in the high-temperature annealing process, the grain...
Embodiment 2
[0053] Based on the device 10 for high-temperature annealing of oriented silicon steel in embodiment 1, this embodiment provides a high-temperature annealing method for oriented silicon steel. The high-temperature annealing method for oriented silicon steel includes the following steps:
[0054] The annealing bottom plate 100 is built into a high-temperature annealing furnace, including an annular furnace or a bell furnace, and the side of the annealing bottom plate 100 provided with the annular groove 120 is arranged upward, and the oriented silicon steel coil 20 is placed on the annealing bottom plate 100, and the oriented silicon steel steel The periphery of the roll 20 is suspended on the annular groove 120, and the annular groove 120 is filled with sandy or powdery non-metal high temperature resistant filler 200, and the height of the filler is not greater than the groove depth of the annular groove 120;
[0055] Perform high temperature annealing;
[0056] After being re...
Embodiment 3
[0059] Based on the device 10 for high-temperature annealing of oriented silicon steel in embodiment 1, and the method for high-temperature annealing of oriented silicon steel in embodiment 2, this embodiment relates to the device 10 for high-temperature annealing of oriented silicon steel, wherein the relevant parameters of the annular groove 120 of the annealing base plate 100 are carried out. limited.
[0060] Specifically, as Figure 5 As shown, the groove width L1 of the annular groove 120 is limited to 100mm-500mm, where the groove width is worth the dimension width of the annular groove 120 along the radial direction; the groove depth L2 of the annular groove 120 is limited to 10mm-100mm, and the annular groove 120 and The distance L3 between the peripheral edges of the annealed bottom plate 100 is defined to be greater than 0 and less than or equal to 100 mm.
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Abstract
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