High-temperature atmosphere furnace with electromagnetic field
An atmosphere furnace, electromagnetic field technology, applied in furnaces, muffle furnaces, cooking furnaces, etc., can solve problems such as frequency and intensity cannot be changed, and atmosphere cannot be controlled
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Embodiment 1
[0016] A high-temperature atmosphere furnace with an electromagnetic field. The high temperature atmosphere furnace includes a first power supply 1 , a coil 2 , a furnace shell 3 , a heat insulating furnace lining 6 , a heating element 7 , a furnace chamber 8 and a vacuum pump 9 .
[0017] The high temperature atmosphere furnace such as figure 1 and figure 2 As shown, the furnace shell 3 is a sandwich shell, and a cooling water pipe 5 is arranged in the sandwich shell. The outer wall of the furnace shell 3 is wound with a coil 2, and the coil 2 is electrically connected to the first power supply 1; An air insulation layer 4 is provided between the outer walls, and a heating element 7 is evenly arranged between the inner wall of the heat insulating furnace lining 6 and the outer wall of the furnace 8, and the heating element 7 is connected to the second power supply 11; the upper end of the furnace 8 is provided with a water-cooled furnace cover 10. The vacuum pump 9 communi...
Embodiment 2
[0020] A high-temperature atmosphere furnace with an electromagnetic field. Among them: the signal generator frequency of the first power supply is 50-100KH, the current intensity of the power amplifier is 5-10A, the coil 2 is a copper coil with 1000-2000 turns; the heating element 7 is 4-5 silicon carbon tubes or 4- 5 metal resistance wires; the cooling water pipe 5 is threadedly arranged in the interlayer shell of the furnace shell 3, and the two ends of the cooling water pipe 5 communicate with the circulating water source respectively; the heat-insulating furnace lining 6 is high-alumina heat-insulating refractory brick.
[0021] All the other are with embodiment 1.
Embodiment 3
[0023] A high-temperature atmosphere furnace with an electromagnetic field. Among them: the signal generator frequency of the first power supply is 40-80KH, the current intensity of the power amplifier is 2-8A, the coil 2 is a copper coil with 800-1500 turns; the heating element 7 is 7-8 precious metal heating bodies or 7-8 Eight lanthanum chromate rods; the cooling water pipe 5 is arranged vertically in the interlayer shell of the furnace shell 3 in an M-shape, and the two ends of the cooling water pipe 5 communicate with the circulating water source respectively; the heat-insulating furnace lining 6 is lightweight alumina brick.
[0024] All the other are with embodiment 1.
[0025] In this specific embodiment, the coil 2 is wound outside the shell 3 of the high-temperature atmosphere furnace to provide an electromagnetic field, so that the furnace 8 can have a high-temperature field and an electromagnetic field at the same time, which can be used in smelting and material in...
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