Supersonic technological method and apparatus for preparing nano material

A technology of nanomaterials and ultrasonic technology, which is applied in the field of nanomaterials prepared by ultrasonic technology, can solve the problems of safety and stability hindering production scale, complex supplementary processing requirements for post-processing, and lack of versatility, so as to achieve easy operation and strengthening Effect of emulsification and quality assurance

Inactive Publication Date: 2003-02-26
严卓理 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods generally have the following problems: ① high equipment cost; ② high energy consumption in production; ③ safety and stability factors largely hinder the progress of production scale; ④ some processes bring more complicated supplementary processing requirements to post-processing
[0003] In the existing methods for preparing nanoparticles, only some specific materials are prepared, which is not universal

Method used

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  • Supersonic technological method and apparatus for preparing nano material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A supersonic function tank body 4 is manufactured with a high-quality stainless steel plate. The shape of the tank body is a 9-hedron.

[0028] Install ultrasonic transducers 3 on each side and bottom of the tank body 4, so that each ultrasonic transducer 3 can focus and irradiate ultrasonic energy to the center of the tank body 4, and the working frequency of each transducer is adjustable from 10 to 120KHz .

[0029] There is an ultrasonic generator 1 inside the support 2 , and the ultrasonic generator 1 is connected to each ultrasonic transducer 3 .

[0030] A reaction vessel 5 is made by using optimized pure hard glass, and the reaction vessel 5 is placed in the center of the tank body 4 .

[0031] The upper opening of the reaction vessel 5 is provided with a mechanism to make it rotate: a bearing 6 , a rotating wheel 7 and a motor 8 .

[0032] The gap between the functional tank 4 and the reaction vessel 5 is filled with water 9 .

[0033] Prepare the equipment a...

Embodiment 2

[0035] Prepare equipment according to embodiment 1, prepare appropriate dilution concentration ZnSO in reactor 5 4 solution, put it into an ultrasonic device to keep it at a constant temperature of 80°C, and turn on the ultrasonic generator 1 and the stirring device, and slowly add Na 2 CO 3 , the above two salts were subjected to metathesis reaction for 1.5h under ultrasonic irradiation to obtain ZnCO 3 ; Wash with deionized water at 100°C to remove Na in the system + with SO 4 2- ions, and then washed with pure anhydrous ethanol for 0.5h under the condition of ultrasonic irradiation, and then dried in a flash machine at 125°C with the addition of dispersant to obtain nano-zinc oxide with a particle size of 65-120nm.

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Abstract

The present invention includes: one supersonic functional tank with supersonic transducer heads to emit supersonic energy to the center of the tank; one reaction container to hold material inside the functional tank; a liquid filled in the gap between the functional tank and the reaction container; and one supersonic wave generator to supply supersonic waves of the same or different adjustable frequency to the supersonic transducer heads. Compared with the existing technology, the present invention has the features of capability of producing homogeneous nanometer inserting material and multiple crystal material; and it is simple, safe, and energy saving.

Description

technical field [0001] The invention relates to the field of ultrasonic technology, in particular to a method and equipment for preparing nanometer materials using ultrasonic technology. Background technique [0002] Existing methods for preparing nanomaterials include: plasma method, supercritical method, gravity method, heating method, etc. These methods generally have the following problems: ① high equipment cost; ② high energy consumption in production; ③ safety and stability factors largely hinder the progress of production scale; ④ some processes bring more complicated supplementary processing requirements to post-processing . [0003] In the existing methods for preparing nanoparticles, only some specific materials are prepared, which is not universal. Contents of the invention [0004] The purpose of the present invention is to disclose a method and equipment for preparing nanomaterials using ultrasonic technology, which has the characteristics of simple process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/10
Inventor 严卓晟严锦璇
Owner 严卓理
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