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Reaction device for preparing magnetic nano material through ultrasound enhancement cooperating with magnetic field induction

A reaction device and magnetic nanotechnology, which is applied in the field of reaction devices for the preparation of magnetic nanomaterials by ultrasonic enhancement and collaborative magnetic field induction, can solve the problems of limiting nanomaterial nanoeffects, easy agglomeration of magnetic nanoparticles, and affecting product quality, and achieve high reaction efficiency , fast response, good anisotropy and order effect

Inactive Publication Date: 2016-01-27
NINGBO MUNICIPAL CENT FOR DISEASE CONTROL & PREVENTION
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Problems solved by technology

[0003] In addition, magnetic nanoparticles are extremely easy to agglomerate during the synthesis process, which greatly limits the nano-effect of nano-materials, reduces the effect of the product, and thus affects the quality of the product

Method used

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  • Reaction device for preparing magnetic nano material through ultrasound enhancement cooperating with magnetic field induction
  • Reaction device for preparing magnetic nano material through ultrasound enhancement cooperating with magnetic field induction

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 As shown, the reaction device for the preparation of magnetic nanomaterials by ultrasonic enhancement and magnetic field induction in this embodiment includes a reaction cylinder 1, a coil 2, an ultrasonic generator 3, a stirring device 7 and a feeding device 8. The upper end of the reaction cylinder 1 is provided with three Two openings, wherein the left and right two are feeding ports, the feeding device 8 is two feeding funnels with valves, which are installed on the left and right feeding ports respectively, and the stirring device 7 adopts a mechanical stirrer, which is arranged in the middle of the reaction cylinder 1 On the opening, the lower end of the reaction cylinder 1 is a discharge port with a control valve 10. The reaction cylinder 1 is a jacketed double-wall structure, and the jacket 5 is filled with circ...

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Abstract

The invention discloses a reaction device for preparing a magnetic nano material through ultrasound enhancement cooperating with magnetic field induction. The reaction device is characterized by comprising a reaction cylinder; a feeding device and a stirring device are arranged at the upper end of the reaction cylinder, a discharge port is formed in the lower end of the reaction cylinder, a coil is wound outside the reaction cylinder, an end line of the coil is connected with a power supply, a power supply switch and a sliding rheostat in series to form a control loop, and at least one frequency-adjustable ultrasonic generation device is arranged at the bottom of the reaction cylinder. The reaction device is reasonable in structure; compared with an ordinary reaction device, the reaction device can solve the problems that aeolotropic magnetic nano particles are difficult in synthesis, ordered structures are not easy to control, morphology uniformity is poor and the nano particles are extremely easy to agglomerate and the like, and has the advantages of controllable magnetic field and ultrasonic field strength, high reaction speed, high reaction efficiency, low energy consumption and the like; and moreover, the magnetic nano material synthesized by using the reaction device has stronger magnetic performance than a material synthesized by an ordinary method.

Description

technical field [0001] The invention relates to a chemical reaction device for material preparation, in particular to a reaction device for preparing magnetic nanomaterials by ultrasonic enhancement and magnetic field induction. Background technique [0002] In the 21st century, the rapid development of society requires more and more new materials. Magnetic nanomaterials are playing an increasingly important role in new material innovation due to their exotic properties endowed by size effects and quantum surface effects. Magnetic nanomaterials have been widely used in magnetic sealing, aerospace lubrication, microprinting, magnetic recording and biology. However, in the preparation of magnetic nanomaterials, the traditional methods still have the disadvantages of difficult synthesis of anisotropic magnetic nanoparticles, difficult control of ordered structure and poor uniformity of morphology. In view of the above shortcomings, by applying a controllable magnetic field ou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/08B01J19/10
Inventor 潘胜东陈晓红金米聪赵永纲
Owner NINGBO MUNICIPAL CENT FOR DISEASE CONTROL & PREVENTION
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