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Indium particle preparation device and method

A preparation device and particle technology, which is applied in the field of metal particle preparation, can solve the problems of particle deformation, adhesion, and affecting the quality of metal particle preparation, and achieve the effect of ensuring the preparation quality and high purity

Pending Publication Date: 2021-10-15
XIANDAO THIN FILM MATERIALS GUANGDONG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In practical applications, when there is a lot of waste heat of metal particles, it will cause particle deformation, adhesion and oxidation, which will affect the preparation quality of metal particles.

Method used

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  • Indium particle preparation device and method
  • Indium particle preparation device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as Figure 1 to Figure 2 As shown, a device for preparing indium particles according to a preferred embodiment of the present invention includes a melting device 3 , a dropping funnel 1 and a cooling device 2 . The melting device 3 has a melting chamber; the melting chamber has a first feed end and a first discharge end. The dropping funnel 1 has a drop cavity; the drop cavity has a second discharge end and a second feed end communicated with the first discharge end. The cooling device 2 is arranged below the dropping funnel 1; the cooling device 2 has a cooling chamber; the cooling chamber has a third feed end connected to the second discharge end; the cooling agent is housed in the cooling chamber; There are 4 mixers.

[0041] Based on the above technical solution, during the preparation process, the strip-shaped metal indium is put into the melting chamber. This application has no specific requirements on the purity of metal indium. In this embodiment, the p...

Embodiment 2

[0067] Pure water with a temperature of 15° C. is added into the cooling device 2 and the liquid level is 600 mm. Add 1 kg of 6N metal indium into the melting device 3, and preheat the dropping funnel 1 to 170°C, and heat the melting device 3 to 195°C. After the metal indium is completely melted, continue heating for 10 minutes, and open the control valve at the bottom of the melting device 3 8. The molten metal indium flows into the dropping funnel 1. The flow rate is controlled by the control valve 8 to keep the molten liquid level at a fixed height. The inner diameter of the second discharge end is 0.8 mm, and the height from the second discharge end to the liquid level of the coolant is 80 mm. Metal indium droplets are dropped into pure water for rapid cooling And rotate with the magnetic stirring bar to avoid sticking. After the droplet is completed, the indium particles in the pure water are taken out and dried for vacuum packaging.

[0068] The surface of the prepared...

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Abstract

The invention relates to the technical field of metal particle preparation, and discloses an indium particle preparation device and method. The indium particle preparation device comprises a melting device, a particle dropping funnel and a cooling device. The melting device is provided with a melting cavity; the melting cavity is provided with a first feeding end and a first discharging end; the particle dropping funnel is provided with a liquid dropping cavity; the liquid dropping cavity is provided with a second discharging end and a second feeding end communicated with the first discharging end; the cooling device is arranged below the particle dropping funnel; the cooling device is provided with a cooling cavity; the cooling cavity is provided with a third feeding end connected with the second discharging end; a cooling agent is filled in the cooling cavity; and a stirrer is arranged in the cooling cavity. According to the indium particle preparation device and method, adhesion of prepared indium particles can be prevented, and the preparation quality is high.

Description

technical field [0001] The invention relates to the technical field of metal particle preparation, in particular to an indium particle preparation device and method. Background technique [0002] Indium, known as the industrial vitamin, is a versatile metal. With the advancement of science and technology, the scope of application of indium metal is expanding, especially in the high-tech field, it is widely used in solar photovoltaic, flat liquid crystal display, national defense, nuclear industry, aerospace, modern electronic information industry, optoelectronic communication industry and other high-tech fields. [0003] In the preparation process of high-purity indium, in order to meet application requirements, it is often necessary to granulate metal indium. At present, the common low-melting point metal granulation processes include droplet method, splash method and mechanical processing method. The mechanical processing equipment is complex and the process is lengthy,...

Claims

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Application Information

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IPC IPC(8): B22F9/08
CPCB22F9/08
Inventor 张俊飞蔡新志童培云朱刘
Owner XIANDAO THIN FILM MATERIALS GUANGDONG CO LTD
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