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Nano powder preparing device and preparing method thereof

A nanopowder and system technology, applied in nanotechnology, chemical/physical/physicochemical processes of applied energy, coatings, etc., can solve the problems of low gas utilization rate, limited laser energy, and low yield of powder preparation, etc. Achieve high gas utilization rate, improve utilization rate, and high powder preparation rate

Inactive Publication Date: 2007-03-14
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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AI Technical Summary

Problems solved by technology

However, the laser energy generated by the laser preparation device is limited, and it cannot cause the reaction gas to fully undergo reactions such as laser pyrolysis and laser dissociation, so that the reaction gases cannot fully react, resulting in low gas utilization and powder preparation. low rate

Method used

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  • Nano powder preparing device and preparing method thereof
  • Nano powder preparing device and preparing method thereof
  • Nano powder preparing device and preparing method thereof

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Embodiment Construction

[0020] Please refer to Fig. 1, it is the nanopowder preparation device 10 that the embodiment of the present invention provides, this nanopowder preparation device 10 comprises reaction chamber 12, laser generator 11, optical system 13, reaction gas input device 14, powder collection Unit 15, vacuum device 16 and microwave generating unit 17.

[0021] Wherein, the laser generator 11 can be carbon dioxide (CO 2 ) laser, which can rotate around the axis 18 within a range of 360°, and the laser generator 11 can generate a laser beam 111 with a power between 100-1200 watts (w).

[0022] The reaction chamber 12 is an airtight container made of stainless steel. The reaction chamber 12 has an incident window 121 facing the laser generator 11 .

[0023] The optical system 13 is fixed between the incident window 121 and the laser generator 11, and the optical system 13 includes a focusing lens, which can be made of zinc arsenide (ZnAs). The laser beam 111 generated by the laser gener...

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Abstract

The invention provides a manufacturing apparatus for nanometer powder, The apparatus contains: a reaction room with an incidence window; an laser generator used to generate laser; an optical system, which is located on the incidence window and used to focus the laser generated by the laser generator, and then the focused laser enters the reaction room through the incidence window; at least one input device of reaction air providing air for the reaction room; a vacuumizing device used to vacuumize the reaction room; a powder collecting unit to collect the powder produced by reaction of air; and a microwave generator used to generate the microwave which causes the cyclotron resonance of the microwave electron. The invention also provides a manufacturing method for nanometer powder.

Description

【Technical field】 [0001] The invention relates to a nano powder preparation device and a preparation method. 【Background technique】 [0002] Nanomaterials refer to granular materials with a size ranging from 1 to 100 nanometers (nm) and macroscopic materials with a size ranging from 1 to 100 nm. Due to the characteristics of small size effect, quantum effect, surface effect, and macroscopic quantum tunneling effect, nanomaterials have advantages that ordinary materials cannot match, such as low melting point, low density, high strength and good toughness. And high temperature oxidation resistance, corrosion resistance and good dielectric properties, acoustic properties, optical stability, etc. Nanomaterials have been widely used in catalysts, high polymer latex, cement, ceramics, carbon fiber materials, medicine, and optoelectronic or microelectronic devices. [0003] The development and application of nanomaterials have attracted more and more attention, and the preparati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/10
CPCB82Y40/00C23C16/511C23C16/483C23C16/345
Inventor 陈杰良
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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