| 摘要 |
<p>A magnetic separator and a magnetic separation method are provided, where ferromagnetic particles are separated from a powder and granular material containing the ferromagnetic particles efficiently and magnetic separation is performed at a low cost without the need for complicated steps and waste fluid disposal. A magnetic separator according to the present invention includes a conveyer belt to carry a powder and granular material containing ferromagnetic particles, a rotatable hollow belt guide roll having an outer circumference partly wound with the above-described or an other conveyer belt, and a magnetic field application device disposed inside the belt guide roll, wherein the magnetic field application device includes a plurality of magnets inside the belt guide roll, and the ferromagnetic particles are separated in a magnetic field generated by the magnetic field application device. The magnets are arranged in such a way that magnetic poles adjacent in the circumferential direction of the belt guide roll are different from each other and, in addition, are arranged in such a way that adjacent magnetic poles in the width direction of the belt guide roll have the same polarity.</p> |
