A separating device for separating a mixture of magnetizable and non-magnetizable particles contained in a suspension that is conducted in a separating channel is provided, the separating device including a laminated, ferromagnetic yoke arranged to one side of the separating channel, e.g., a yoke ma
A separating device for separating a mixture of magnetizable and non-magnetizable particles contained in a suspension that is conducted in a separating channel is provided, the separating device including a laminated, ferromagnetic yoke arranged to one side of the separating channel, e.g., a yoke made of iron, having at least one magnetic field generating means for generating a magnetic deflecting field and a separating element arranged at the outlet of the separating channel for separating the magnetic particles, wherein the magnetic field generating means is a coil assembly including coils equidistantly arranged in grooves of the yoke along the separating channel and which can be actuated via a control device such that a temporally variable deflecting magnetic field, substantially deflecting toward the yoke, e.g., a traveling wave, is generated, having substantially field-free regions passing over the entire length of the separating channel.
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1. A separating device for separating a mixture of magnetizable and non-magnetizable particles, comprising: a separating channel that is delimited on one side by a ferromagnetic yoke and on the other side by a magnetizable delimiting body,a separating element arranged at the outlet of the separating
1. A separating device for separating a mixture of magnetizable and non-magnetizable particles, comprising: a separating channel that is delimited on one side by a ferromagnetic yoke and on the other side by a magnetizable delimiting body,a separating element arranged at the outlet of the separating channel and configured to separate out the magnetizable particles,a coil assembly configured to generate a magnetic field, the coil assembly comprising coils arranged along the separating channel in grooves of the yoke, the coils being configured for actuation by a control device to produce a temporally variable magnetic field that essentially deflects toward the yoke and travels along the separating channel. 2. The separating device of claim 1, wherein at least some field lines of the magnetic field run from the yoke to the delimiting body. 3. The separating device of claim 1, wherein at least some field lines of the magnetic field run perpendicularly relative to the separating channel. 4. The separating device of claim 1, wherein a width of the separating channel is less than two and a half times an internal width between two magnetic poles. 5. The separating device of claim 4, wherein the width of the separating channel is less than one and a half times the internal width between two magnetic poles. 6. The separating device of claim 1, wherein essentially field-free regions are provided along the yoke. 7. The separating device of claim 1, wherein: a specific number of coils along the separating channel of consecutive coils collectively form a period group, andthe coils of a period group are configured for actuation using an alternating current profile comprising at least one zero-current time segment, said actuation being staggered by a portion, corresponding to the number of coils in the period group, of a period duration of the alternating current profile. 8. The separating device of claim 7, wherein a whole-number quantity of period groups is provided over the length of the separating channel. 9. The separating device of claim 7, wherein the alternating current profile features two half-waves having a length of one quarter period duration interrupted by two zero-current time segments having a length of one quarter period duration. 10. The separating device of claim 9, wherein the half-wave comprises at least one of a sinusoidal half-way, a trapezoidal half-wave, and a triangular half-wave. 11. The separating device of claim 1, wherein the control device comprises a frequency-variable converter configured for phase displacement and comprising outlets representing half the number of coils. 12. The separating device of claim 1, wherein coils that are separated by half the number of coils in each case are electrically connected in such a way that every second coil are exposed to current in a reverse direction, the coil assembly being actuated via a number of connection interfaces that corresponds to half the number of coils. 13. The separating device of claim 1, wherein a cylindrical coaxial displacement body is arranged in a cylindrical hollow space that passes through the yoke, thereby forming the separating channel. 14. The separating device of claim 1, wherein the cylindrical coaxial yoke is arranged in a cylindrical hollow space that passes through an external body, thereby forming the separating channel. 15. The separating device of claim 14, comprising a device configured to generate a tangential circular flow. 16. The separating device of claim 11, wherein the coils comprise annular surrounding solenoid coils. 17. The separating device of claim 1, comprising a protective wall that covers the grooves in the direction of the separating channel. 18. The separating device of claim 15, wherein the device configured to generate a tangential circular flow comprises at least one of oblique inlet nozzles, a mixer, and oblique panels arranged within the separating channel.
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이 특허에 인용된 특허 (5)
Yoshifusa Katsutoshi ; Matsuura Yutaka, Apparatus for magnetic treatment of fluid.
Ries, Günter, Separating device for separating a mixture of magnetizable and non-magnetizable particles present in a suspension which are conducted in a separating channel.
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