| 摘要 |
An apparatus comprising an array of permanent magnets for converging their fluxes to increase its average flux density to 200-300 % of the flux density of a single magnet so that it can be used for irradiating a flow of such an object as fuel or industrial material with strong magnetic lines of force in the presence or absence of far-infrared radiation to promote reactions, mixing or maturation. In order to obtain a higher magnetic flux density by using commercially available permanent magnets of 3000-4500 gausses, a plurality of discoid type or flat polygonal permanent magnets are arranged continuously so that the pole faces of the magnets form a horizontal plane, and magnetic lines of force are focused in the clearances between the magnets and around the contact regions of the magnets with a case or cover of a magnetic substance, and the circumferences of the magnetic members interposed between lines of the magnets, whereby a higher pole gradient is obtained, and whereby the magnetic flux density is increased.
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