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Device for generating gas-nanoparticle two-phase uniform fluid

A technology of nano-particles and generating devices, applied in the direction of gas/steam and solid mixing, fluid mixer, dissolution, etc.

Inactive Publication Date: 2014-04-23
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the light weight and strong adsorption of nanoparticles, general methods (such as funnel dropping) cannot be used for feeding

Method used

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  • Device for generating gas-nanoparticle two-phase uniform fluid
  • Device for generating gas-nanoparticle two-phase uniform fluid
  • Device for generating gas-nanoparticle two-phase uniform fluid

Examples

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Embodiment Construction

[0048] The gas-nano particle two-phase uniform fluid generation device provided by the invention includes a compressed gas flow control chamber and a nano particle vibration dosing device, wherein the nano particle vibration dosing device is installed inside the compressed gas flow control chamber. The compressed gas is fed into the compressed gas flow control chamber, and the nanoparticles supplied by the nanoparticle vibrating dosing device will be taken away by the flowing airflow and uniformly mixed with the compressed gas to form a gas-nanoparticle two-phase uniform fluid. The compressed gas flow control chamber can make the compressed gas passed in uniformly diffuse and shrink without backflow, so as to ensure that all supplied nanoparticles are taken away by the compressed air flow. The nanoparticle vibrating quantitative feeding device can quantitatively control the feeding rate of nanoparticles, change the content of nanoparticles in the gas-solid two-phase flow, and t...

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Abstract

The invention discloses a device for generating gas-nanoparticle two-phase uniform fluid, which comprises a compressed gas flow control chamber and a nanoparticle vibration-type quantitative feeding device, wherein the nanoparticle vibration-type quantitative feeding device is mounted inside the compressed gas flow control chamber. When compressed gas is introduced into the compressed gas flow control chamber, nanoparticles supplied by the nanoparticle vibration-type quantitative feeding device are taken away by the gas flow, and are uniformly mixed with the compressed gas to form the gas-nanoparticle two-phase uniform fluid. The compressed gas flow control chamber can allow the introduced compressed gas to disperse and contract uniformly, cause no backflow, and thus ensure that the supplied nanoparticles are taken away completely by the compressed gas flow. The nanoparticle vibration-type quantitative feeding device can quantitatively control the feeding rate of the nanoparticles, change the content of the nanoparticles in the gas-solid two-phase flow, and thus generate various gas-solid two-phase flow with different nanoparticle concentrations.

Description

technical field [0001] The invention belongs to the technical field of gas-solid two-phase fluid generating devices, and relates to a gas-nano particle two-phase uniform fluid generating device. Background technique [0002] In recent years, some special properties of gas-solid two-phase fluid are gradually being discovered. For example, adding nanoparticles as lubricant additives to gas-lubricated bearings can form a gas-nanoparticle two-phase fluid lubricating film (nanoparticle gas for short). membrane). Driven by the high-speed airflow, the nanoparticles gain kinetic energy and collide with each other. The collision motion makes the nanoparticle gas film rigidity higher than the gas film, which can have a higher load-carrying capacity, so as to improve the stiffness of the gas lubricated bearing and expand the gas bearing. scope of application. [0003] In order to make better use of the nanoparticle gas film to design new gas bearings with wider applications, it is ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F5/06B01F3/06B01F23/30
Inventor 刁东风范红艳杨志儒
Owner XI AN JIAOTONG UNIV
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