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CN-224222686-U - Fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing ecological non-cooling water system

CN224222686UCN 224222686 UCN224222686 UCN 224222686UCN-224222686-U

Abstract

The utility model discloses a fine crystal nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological non-cooling water system, which relates to the technical field of nonferrous metal casting and comprises a fixed stirring assembly and a movable stirring assembly, wherein the fixed stirring assembly comprises a plurality of fixed coils uniformly distributed on the periphery of the crystallizer, the movable stirring assembly comprises a plurality of movable coils uniformly distributed on the periphery of the fixed stirring assembly, the movable coils and the fixed coils form an included angle distribution, the movable stirring assembly is configured to rotate and move relative to the fixed stirring assembly, so that the movable coils can be correspondingly matched with the fixed coils in local areas, and composite magnetic field distribution is formed in the corresponding local areas, so that the magnetic field distribution condition of the local areas is accurately regulated, the local directional stirring of molten liquid is realized, the stirring effect of the molten liquid is accurately controlled, the molten liquid in each area can be uniformly stirred, the temperature cooling uniformity is improved, and the crystal growth quality and stability are ensured.

Inventors

  • YIN XIUYIN

Assignees

  • 上海星祥电气有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (10)

  1. 1. A fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing ecological non-cooling water system is used for matching with the crystallizer, and is characterized by comprising The fixed stirring assembly comprises a plurality of fixed coils which are uniformly distributed on the periphery of the crystallizer, The movable stirring assembly comprises a plurality of movable coils which are uniformly distributed on the periphery of the fixed stirring assembly, wherein the movable coils and the fixed coils form included angle distribution, and the movable stirring assembly is configured to rotate and move relative to the fixed stirring assembly, so that at least one movable coil can be correspondingly matched with any fixed coil to form composite magnetic field distribution.
  2. 2. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling water-free system according to claim 1, wherein the fixed stirring assembly comprises a plurality of fixed coil groups uniformly distributed on the periphery of the crystallizer, and each fixed coil group comprises a plurality of fixed coils distributed along the height direction of the crystallizer.
  3. 3. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling water-free system according to claim 2, wherein the fixed stirring assembly further comprises a fixed support arranged at the bottom of the crystallizer, and the fixed coil group is arranged on the fixed support through a fixed support rod.
  4. 4. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling-water-free system according to claim 2, wherein the fixed coils in the plurality of fixed coil groups are matched to form grid distribution.
  5. 5. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling water-free system according to claim 3, wherein the movable stirring assembly comprises an annular rotating plate arranged on the periphery of the fixed support, the annular rotating plate is formed by matching a plurality of sector rotating plates, and each sector rotating plate is provided with a movable coil.
  6. 6. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling-water-free system according to claim 5, wherein the fixed coils are vertically distributed, and the movable coils are horizontally distributed.
  7. 7. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling water-free system according to claim 5, wherein the mobile stirring assembly further comprises a mobile support, a middle bottom plate used for being connected with the fixed support is arranged in the middle of the mobile support, and a peripheral annular driving bottom plate in sliding connection with the middle bottom plate is arranged on the periphery of the mobile support.
  8. 8. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cooling water-free system according to claim 7, wherein each fan-shaped rotating plate is connected with the peripheral annular driving bottom plate through a vertical telescopic device respectively.
  9. 9. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cold water-free system according to claim 1, wherein a temperature detection device is arranged in the crystallizer.
  10. 10. The fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing an ecological cold water-free system according to claim 9, wherein a heat insulation layer is arranged on the outer wall of the crystallizer.

Description

Fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing ecological non-cooling water system Technical Field The utility model relates to the technical field of nonferrous metal casting, in particular to a stirring device of a crystallizer. Background The crystallizer controls the size and shape of crystals by adjusting the temperature, concentration, stirring speed and other parameters of the molten liquid, so that the quality and stability of the crystals are ensured, the non-uniform temperature of the molten liquid in the crystallizer can cause non-uniform growth speed of the crystals, the quality of the crystals is further influenced, the molten liquid in the crystallizer is stirred by a magnetic field stirrer in the prior art, and the temperature uniformity of the molten liquid is improved. The Chinese patent application with the publication number of CN 118926511A discloses a magnetic field stirring device, which comprises a base and a round iron block arranged at the top of the base, wherein a second coil is wound on the outer wall of the round iron block, a positioning mechanism is arranged between the base and the round iron block and used for expanding the magnetic field range, and amplifiers are arranged on two sides of the round iron block and used for enhancing the magnetic field around the positioned round iron block, each amplifier comprises an arc-shaped iron block arranged on two sides of the round iron block, and the output end of a driving motor drives a one-way threaded screw rod to rotate through the positioning mechanism, so that the driving sliding block drives the round iron block to transversely move, the position of the round iron block is regulated, the annular magnetic field range formed by a plurality of round iron blocks is expanded, and the stirring effect is improved. However, the conventional magnetic field stirring device carries out uniform magnetic field adjustment on the molten liquid in the crystallizer, uniformly stirs the molten liquid distributed in each region in the crystallizer, so that the molten liquid in partial regions flows unsmooth, the temperature uniformity can be influenced, and thus crystals excessively grow in some regions, the growth in some regions is insufficient, and the crystal quality and stability are poor. Therefore, how to effectively improve the reliability of the stirring device and realize the local directional stirring of the melt, so as to accurately control the stirring effect of the melt, improve the temperature uniformity and ensure the crystal quality and the stability, and the problem to be solved in the field is urgent. Disclosure of utility model Aiming at the defects of the prior art, the utility model aims to provide a fine crystal nanocrystalline homogenizing magnetic field stirring crystallizer which can locally stir molten liquid, effectively improve temperature uniformity and realize an ecological cold water-free system. In order to achieve the above object, the utility model provides a fine-grain nanocrystalline homogenizing magnetic field stirring crystallizer capable of realizing ecological non-cooling water system, which is used for matching with the crystallizer and comprises The fixed stirring assembly comprises a plurality of fixed coils which are uniformly distributed on the periphery of the crystallizer, The movable stirring assembly comprises a plurality of movable coils which are uniformly distributed on the periphery of the fixed stirring assembly, wherein the movable coils and the fixed coils form included angle distribution, and the movable stirring assembly is configured to rotate and move relative to the fixed stirring assembly, so that at least one movable coil can be correspondingly matched with any fixed coil to form composite magnetic field distribution. Further, the fixed stirring assembly comprises a plurality of fixed coil groups which are uniformly distributed on the periphery of the crystallizer, and each fixed coil group comprises a plurality of fixed coils which are distributed along the height direction of the crystallizer. Further, the fixed stirring assembly further comprises a fixed support arranged at the bottom of the crystallizer, and the fixed coil group is arranged on the fixed support through a fixed supporting rod. Further, the fixed coils in the fixed coil groups are matched to form grid distribution. Further, the movable stirring assembly comprises an annular rotating plate arranged on the periphery of the fixed support, the annular rotating plate is formed by matching a plurality of sector rotating plates, and movable coils are respectively arranged on each sector rotating plate. Further, the fixed coils are vertically distributed, and the movable coils are horizontally distributed. Further, the movable stirring assembly further comprises a movable support, a middle bottom plate used for being connected with the fixed support is arranged in the m