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A Rectangular Waveguide with Filled Medium Compression Section for Fracturing Rock

A technology of rectangular waveguide and cross-section, which is applied in the direction of waveguide, waveguide-type devices, circuits, etc.

Active Publication Date: 2021-10-08
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The microwave applicator is the core component for the microwave to act on the rock surface. At present, there is no standard product to choose from, and it needs to be customized according to the demand.

Method used

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  • A Rectangular Waveguide with Filled Medium Compression Section for Fracturing Rock
  • A Rectangular Waveguide with Filled Medium Compression Section for Fracturing Rock
  • A Rectangular Waveguide with Filled Medium Compression Section for Fracturing Rock

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Embodiment 1

[0022] like figure 1 and figure 2 As shown, the device mainly includes a standard waveguide flange 1, a standard waveguide section 2, a variable section waveguide section 3, a wedge-shaped dielectric 4, a compressed section waveguide 5 and a protective cap 6. Among them, the standard waveguide flange 1 is connected to the flange of the microwave generation and control device; the standard waveguide section is connected to the variable section waveguide section and the compressed section waveguide section in sequence; the wedge-shaped dielectric 4 is installed on the variable section waveguide section 3 and the compressed section waveguide section 5 inside; the protective cap 6 is installed at the end of the compressed section waveguide section 5 .

[0023] When a 15kW, 2.45GHz standard microwave source is used, the standard waveguide flange 1 chooses BJ26 or BJ22 waveguide, and the wedge-shaped dielectric 4 can use alumina with a purity of more than 99.9% (dielectric constan...

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Abstract

The invention relates to a rock crushing technology, which belongs to the technical field of assisting rock crushing by using a filling medium compressed section rectangular waveguide to focus high-power industrial microwaves. It mainly consists of standard waveguide flange, standard waveguide section, variable section waveguide section, wedge-shaped dielectric, compressed section waveguide and protective cap. Among them, the standard waveguide flange is connected to the flange of the microwave generation and control device; the standard waveguide section is connected to the variable cross-section waveguide section, the compressed cross-section waveguide section, and in turn; the wedge-shaped dielectric is installed inside the variable cross-section waveguide section and the compressed cross-section waveguide section; A protective cap is installed at the end of the compressed section waveguide section. The device of the present invention compresses the size of the waveguide by filling the dielectric, increases the microwave power density at the exit of the waveguide, is used for cracking hard rocks, and assists machinery in efficient crushing, and has great application prospects and value.

Description

technical field [0001] The invention relates to a rock breaking technology, in particular to a rectangular waveguide device with a filling medium compression section for cracking rocks. Background technique [0002] In the process of mechanical rock foundation, tunnel engineering, and underground engineering construction, the efficient crushing of hard rock and extremely hard rock is a technical challenge that needs to be solved urgently. The solution mainly includes two aspects: one is to continuously improve the performance of rock excavation and crushing equipment; the other is to use auxiliary methods to weaken or soften hard rock to make it easier to be broken mechanically. The research on industrial microwave weakening or breaking rock originated in the former Soviet Union in the 1960s and 1970s, and researchers successfully applied it to tunneling in phosphorite mines. The research shows that when industrial microwaves are used to irradiate the entire section of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P3/00
CPCH01P3/00
Inventor 郑彦龙赵坚赵晓豹李建春何磊张乾兵
Owner SOUTHEAST UNIV
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