Electromagnetic induction heating round roll with uniform surface temperature

Abstract

The invention relates to an electromagnetic induction heating round roll with uniform surface temperature, and the electromagnetic induction heating round roll with uniform surface temperature can be used for effectively solving the problems of large power consumption, poor temperature uniformity and poor product quality of the existing equipment. The technical scheme is as follows: the electromagnetic induction heating round roller with uniform surface temperature comprises a hollow round roll body, a rotating shaft, an electromagnetic induction coil and a magnetic pole body, wherein the rotating shaft is arranged in the center of the hollow round roll body, and the two ends of the hollow round roll body are provided with end covers which are fastened together; the rotating shaft extendsout of the center holes of the two end covers; the part, positioned in the hollow round roll body, of the rotating shaft is provided with the magnetic pole body; the magnetic pole body is internally provided with the electromagnetic induction coil; the hollow round roll body is internally provided with a conductive strip formed between grooves; a heat insulating cover is sheathed at the part, positioned in the hollow round roll body, of the exterior of the magnetic pole body; and a conductive slip ring is arranged at the outer side of the end cover on one end of the rotating shaft and is connected with the electromagnetic induction coil through a wire. The round roll provided by the invention has the advantages of good surface temperature uniformity, low cost, high heating efficiency and low energy consumption, thus being innovation on electromagnetic induction heating round rolls.

Description

technical field [0001] The invention relates to heating equipment, in particular to an electromagnetic induction heating round roller with uniform surface temperature. Background technique [0002] Electromagnetic induction heating is to use alternating magnetic field to generate eddy current inside the heating body, and use the resistance of the heating body itself to heat. Its basic principles have long been known. Many scholars at home and abroad have conducted a series of researches on heating mechanism, theoretical modeling, electromagnetic thermal coupling, temperature field distribution, etc. Research and application to practical engineering problems have achieved good social and economic benefits. [0003] At present, it has been reported that electromagnetic heating is applied to the paper (cardboard) industry. Its main features are energy saving and environmental protection, little impact on the working environment, long service life, low maintenance costs, stabl...

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Problems solved by technology

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide an electromagnetic induction heating round roller with uniform surface temperature, which can effectively solve the problems of large power consumption, poor temperature uniformity and poor product quality of existing equipment.

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