Closed frequency-adjustable resonant microwave reaction chamber

A microwave reaction and closed technology, applied in the field of resonant microwave reaction chamber, can solve the problems of high cost, inconvenient use, and inability to meet frequency reconfiguration, and achieve the effect of continuous frequency adjustment and uniform distribution

Inactive Publication Date: 2012-10-24
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (3) In order to achieve relevant reaction conditions under limited input power, the existing microwave reaction chamber is usually realized by resonance, and resonance also means that it can only work at a specific frequency
To sum up, the existing resonant reacti

Method used

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  • Closed frequency-adjustable resonant microwave reaction chamber
  • Closed frequency-adjustable resonant microwave reaction chamber
  • Closed frequency-adjustable resonant microwave reaction chamber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: as figure 1 As shown, a resonant microwave reaction chamber includes an outer conductor 1 , an inner conductor 2 , a closing cover 3 , and a feeding coaxial 4 . It is characterized in that the outer conductor 1 is a cylindrical metal cavity, and there is a cylindrical bottom hole 11 in the center of the bottom, and the inner wall is threaded; the cylindrical inner conductor 2 enters the interior of the outer conductor 1 through the bottom hole 11, and the upper half of the inner conductor 2 The FM thread 21 with a dome cooperates with the thread on the wall of the bottom hole 11 to keep the outer conductor 1 and the inner conductor 2 in electrical contact, and at the same time, the length of the inner conductor 2 entering the outer conductor 1 can be adjusted; the outer conductor 1 is close to the inner wall of the top The closed thread 12 with a dome is threaded with the outer edge of the axisymmetric closed cover 3 to keep the outer conductor 1 and the c...

Embodiment 2

[0036] Embodiment 2: as figure 1 , figure 2 As shown, on the basis of Embodiment 1, the end of the feed coaxial inner conductor 41 entering the outer conductor 1 is connected to a hemispherical feed end hemisphere 413.

Embodiment 3

[0037] Embodiment 3: as figure 1 , image 3 and Figure 4 As shown, on the basis of Embodiment 1, a barrel-shaped pallet 5 with a diameter smaller than the inner conductor 2 is introduced, and three fixed small cylinders 51 protrude downward from its bottom end, which are smaller than the three concave cylinders at the top of the inner conductor 2. The hole 22 fits and is fixed, and the bottom of the concave cylindrical hole 22 is tapered.

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PUM

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Abstract

A closed frequency-adjustable resonant microwave reaction chamber belongs to the technical field of microwave energy application. The reaction chamber comprises an outer conductor (1), an inner conductor (2), a closing cap (3), and a coaxial feed (4); the outer conductor (1) is a cylinder metal chamber, and the inner conductor (2) passes through a bottom hole (11) and electrically contacts the outer conductor (1); the closing cap (3) electrically contacts the outer conductor (1) through a screw thread; the coaxial feed (4) passes through a feed hole (32) to allow the closing cap (3) to electrically contacts a coaxial feed outer conductor (42). The invention is manufactured by using a TM010 cylinder resonant cavity principle, realizes frequency reconstructible work within a wide scope, and has a continuous and non-blind area frequency adjusting mode; the invention has the characteristic of simple structure, is applicable to research and application demand for broadband microwave reactions, and has application value on accurate recognition of the effect of frequency on microwave reactions and related process guidance.

Description

technical background [0001] The invention belongs to the technical field of microwave energy application, in particular to a resonant microwave reaction cavity with reconfigurable frequency. Background technique [0002] At present, high-power microwaves have been widely used in heating, medical treatment, drying, coating, environmental protection, auxiliary extraction and other occasions, and achieved better results. In order to understand the basic principles of microwave energy application and microwave chemical reaction, researchers need to use microwave reaction devices to study the reaction mechanism of a small amount of samples under different conditions, and finally guide large-scale industrial applications. [0003] With the deepening of research and application, it is found that microwave frequency is very important to the reaction effect. For example, the microwave absorption of a certain sample is related to the microwave frequency, that is, at a certain freque...

Claims

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Application Information

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IPC IPC(8): B01J19/12
Inventor 樊勇程钰间夏支仙
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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