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Plasma fluidized bed powder processing device

A plasma and processing device technology, applied in the field of plasma fluidized bed powder processing device, can solve problems such as low efficiency, powder volume retention, complex pipeline design, etc., achieve smooth flow, improve utilization rate, and avoid accumulation Effect

Pending Publication Date: 2019-07-12
南京奥依菲光电科技有限公司
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  • Abstract
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Problems solved by technology

[0005] However, in actual use, the powder processor needs to be equipped with a separate heating device, and its fluidized bed adopts bottom air intake and air outlet, and the pipeline design is complicated. The air flows down through the gap and then the gas is released from the bottom. A cyclone separator is installed at the bottom of the gas outlet to separate the powder from the gas and discharge the gas. However, we have seen that this design cannot effectively capture the powder in the escaping gas and cannot play a role. Until effective recycling, the powder that escapes with the gas is easy to accumulate in the tube, resulting in low efficiency or blockage

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Embodiment Construction

[0017] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0018] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments introduced above, as well as those concepts and implementations described in more detail below, can be implemented in any of numerous ways. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

[0019] combine figure 1 As shown, the plasma fluidized bed powder treatment device proposed by the present invention includes a variable diameter fluidized bed 1 arranged upright, which...

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Abstract

The invention provides a plasma fluidized bed powder processing device, which comprises a vertically arranged variable-diameter fluidized bed body, a microwave generator, a rectangular waveguide witha circular hole, a gas feeding system and a cyclone separator, wherein the variable-diameter fluidized bed body is composed of at least two circular tubes with different inner diameters; microwaves generated by a microwave magnetron enter the variable-diameter fluidized bed body through the coupling of the rectangular waveguide and generate plasmas in the bed body; the gas feeding system adds a single or mixed gas to the orifice of the variable-diameter fluidized bed body; and the cyclone separator is used for recycling the powder for re-circulation. The gas outlet on top of the variable-diameter fluidized bed body is connected with gas inlets of a vacuum gauge, an exhaust valve and the cyclone separator via a four-way pipe, and the gas outlet of the cyclone separator is connected to a vacuum pump through an angle valve and an accurate control valve which are connected in parallel; and the power outlet of the cyclone separator is communicated with the side surface of the variable-diameter fluidized bed body through a circulating guide pipe. The bottom circular pipe and the gas inlet of the variable-diameter fluidized bed body are provided with a gas distributor therebetween so as to enable the gas flow to be uniformly distributed and carry the powder.

Description

technical field [0001] The invention relates to the technical field of powder processing, in particular to a plasma fluidized bed powder processing device. Background technique [0002] Surface modification of inorganic powder materials can significantly improve the dispersion, stability, enhancement, electricity, heat, optics, and catalysis of powder materials by adjusting the electrical conductivity, thermal conductivity, refractive index, wettability, hardness, and chemical activity of the surface. and other properties, expanding its application range. [0003] Due to the characteristics of high heat and mass transfer efficiency and uniform treatment, fluidized bed technology has been widely used for powder treatment. By generating free radicals of gas molecules through discharge, plasma technology can greatly improve the reactivity of gases, and is an efficient surface treatment technology. Combining the characteristics of the two to develop a powder processing device ...

Claims

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Application Information

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IPC IPC(8): H01J37/20
CPCH01J37/20
Inventor 余柯涵许天昊马裕杰王倩倩刘陈威韦玮
Owner 南京奥依菲光电科技有限公司
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