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Pipeline industrial microwave heating device

An industrial microwave and heating device technology, applied in microwave heating and other directions, can solve the problems of limiting microwave application, easy upward diffusion of impurities such as water vapor, uneven heating, etc., to improve the efficiency and uniformity of microwave radiation, improve microwave heating efficiency, Solve the effect of uneven heating

Active Publication Date: 2019-01-15
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In large-scale industrial production, there are problems of uneven heating and low efficiency when using traditional "tunnel" microwave heating devices to heat solid materials
When microwave irradiates a large solid material, its skin depth is much smaller than the size of the material, causing the energy of the microwave to only concentrate on the surface area of ​​the material, resulting in uneven heating; at the same time, because the conveyor belt must keep moving, the material only It can fill part of the tunnel space, causing the problem of low heating efficiency; in industrial applications, it is generally required that the equipment can work under complex conditions such as high temperature, high pressure, and corrosion resistance, which increases the requirements for microwave reactors and microwave heating chambers
[0004] Secondly, in the traditional "tunnel-type" microwave heating device, dust, water vapor and other impurities tend to diffuse upward during the heating process, and enter the microwave feeder to damage the equipment, especially some materials that will volatilize corrosive gases during the heating process, such as the microwave of ore. Desulfurization, etc., is not conducive to the use of this equipment for industrial production
[0005] Because the microwave wavelength is relatively short, and there is almost no natural convection inside the solid material, and when the microwave penetrates into the solid material, its skin depth is much smaller than the size of the material, causing the energy of the microwave to only concentrate on the surface area of ​​the material. These factors can cause uneven heating
[0006] The problems of non-uniform heating and low efficiency caused by the above factors limit the application of microwave in industrial production

Method used

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] The pipeline-type industrial microwave heating device disclosed by the present invention includes a microwave feeding device and a heating chamber 1, and is characterized in that: the heating chamber 1 is a pipeline structure that can be filled with heated solid materials and can push heated solid materials into the pipeline Mechanical equipment of the structure; the microwave feeding device is evenly arranged outside the pipeline structure.

[0027] Prefera...

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Abstract

The invention relates to the field of microwave industrial heating, especially a pipeline-type industrial microwave heating device, which includes a microwave feed-in device and a heating cavity, and is characterized in that: the heating cavity is a pipeline structure that can be filled with heated solid materials and can be heated solid A mechanical device for pushing materials into a pipeline structure; the microwave feeding device is uniformly arranged outside the pipeline structure. The pipeline-type industrial microwave heating device provided by the present invention fundamentally changes the mode of microwave industrial heating by changing the structure of the microwave heating cavity, and improves the heating efficiency. Improve the microwave radiation efficiency and uniformity, and solve the technical problem of uneven heating in the microwave industry; further improve the microwave heating efficiency by setting a perfect matching layer, and prevent dust, water vapor and other impurities from entering the feeder and damaging the equipment.

Description

technical field [0001] The invention relates to the field of microwave industrial heating, in particular to a pipeline type industrial microwave heating device. Background technique [0002] With the rapid development of modern science and technology, microwave energy, as a new type of high-efficiency and clean energy, has been widely used in various fields such as industrial production and daily life. Microwave heating has the characteristics of "body heating". "Body heating" is a selective heating method that directly interacts with the substance to be heated. It replaces the traditional heating method in which the substance obtains temperature rise through heat conduction through the medium, saving heat in the medium. The time required for conduction reduces the energy consumption in the conduction medium, and has the characteristics of high efficiency and energy saving. However, while microwave heating technology continues to develop, there are also many problems. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B6/64H05B6/70
Inventor 黄卡玛陈星刘长军杨阳朱铧丞
Owner SICHUAN UNIV
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