Shielding device for intermediate frequency furnace bottom
A shielding device, intermediate frequency furnace technology, applied in the fields of magnetic field/electric field shielding, furnace, electric furnace heating, etc., can solve the problems of easy cracking, ignition, and poor shock resistance of the joint surface, so as to increase the overcurrent capability and increase the joint area. , the effect of anti-shock overcurrent
Inactive Publication Date: 2016-02-24
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
[0002] During the operation of the intermediate frequency furnace, the heating and treatment of the furnace body caused by the magnetic flux leakage of the intermediate frequency furnace, due to the large leakage magnetic field of the intermediate frequency furnace, a strong potential is induced by the nearby conductors, and the induced potentials between different conductors are different. When there is a moving conductor short-circuiting the differential potential, it will cause a sparking phenomenon
The magnetic flux leakage of intermediate frequency furnaces has always been a difficult problem for maintenance personnel, and the root cause of this phenomenon is that most maintenance personnel are not very clear about the causes of magnetic flux leakage of intermediate frequency furnaces, and understand the heating principle of intermediate frequency furnace bodies caused by magnetic flux leakage Therefore, when such failures occur in the intermediate frequency furnace, it is often impossible to find a practical solution
[0003] The shielding device of the original intermediate frequency furnace bottom is welded by two semicircular copper plates with a radius of 1100mm and a thickness of 5mm. The joint surface of the copper plates is linear. Because the overcurrent capacity of the joint surface is not enough, and the shielding device is hard, it has not been heat treated. Poor anti-shock ability makes the joint surface of the original intermediate frequency furnace bottom shielding device easy to crack
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[0013] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0014] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.
[0015] Such as figure 1 As shown, the shielding device of the furnace bottom of the intermediate frequency furnace according to the specific embodiment of the present invention effectively meets the special requirements of some key components of the intermediate frequency furnace in special environments under the premise of ensuring safety, and has stronger shock resistance after heat treatment impact capability and overcu...
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The invention discloses a shielding device for an intermediate frequency furnace bottom. The device is formed by the welding of two semi-circular plates, and the welding joint surface of the two semi-circular plates is shaped like a sawtooth. The device enables a conventional linear joint surface to be changed into the sawtooth-shaped joint surface, and increases the area of the joint surface, i.e., increasing the overcurrent capability of the joint surface. The device prevents the thermal deformation and a too large short-circuit current from causing cracks, and guarantees the safer and more effective operation of an intermediate frequency furnace.
Description
technical field [0001] The invention relates to the field of intermediate frequency furnaces, in particular to a shielding device for the bottom of an intermediate frequency furnace. Background technique [0002] During the operation of the intermediate frequency furnace, the heating and treatment of the furnace body caused by the magnetic flux leakage of the intermediate frequency furnace, due to the large leakage magnetic field of the intermediate frequency furnace, a strong potential is induced by the nearby conductors, and the induced potentials between different conductors are different. When there is a moving conductor short-circuiting the differential potential, it will cause a sparking phenomenon. The magnetic flux leakage of intermediate frequency furnaces has always been a difficult problem for maintenance personnel, and the root cause of this phenomenon is that most maintenance personnel are not very clear about the causes of magnetic flux leakage of intermediate ...
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IPC IPC(8): H05K9/00F27D11/06
CPCH05K9/0081F27D11/06H05K2201/0707
Inventor 邓长江
Owner GUANGXI YUCHAI MASCH CO LTD