High-power three-dimensional vibrating ultrasonic radiator
A technology of three-dimensional vibration and radiator, applied in the field of ultrasonic radiator, to achieve the effect of improving the extraction rate, increasing the total amount of extraction, and ingenious design
Active Publication Date: 2018-12-11
ZHONGBEI UNIV
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Problems solved by technology
[0003] In order to solve the problem that the ultrasonic frequency vibration generated by the existing ultrasonic radiator can only pro
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[0019] A high-power three-dimensional vibration ultrasonic radiator, including a radial piezoelectric vibrator and an axial piezoelectric vibrator;
[0020] The radial piezoelectric vibrator includes an outer prestressed metal cylinder 101, a polyurethane rubber round pad 102, a round cup-shaped end cover 103, a truncated cone-shaped fluororubber expansion core 104, an inner prestressed metal pressure block 105, and a circular tube-shaped inner electrode 106. Radially polarized piezoelectric single crystal block 107, cylindrical outer electrode 108, first pre-tightening bolt 109, truncated cone coil spring 110;
[0021] The upper end of the outer prestressed metal cylinder 101 is provided with an opening and the lower end is provided with an end wall; the end wall of the outer prestressed metal cylinder 101 is provided with three first screw holes with the same diameter, and the three first screw holes surround The axes of the outer prestressed metal cylinder 101 are arranged equid...
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The invention relates to ultrasonic radiators, in particular to a high-power three-dimensional vibrating ultrasonic radiator, solving the problem that ultrasonic frequency vibration generated by existing ultrasonic radiators can be only spread in a two-dimensional direction. The high-power three-dimensional vibrating ultrasonic radiator comprises a radial piezoelectric vibrator and an axial piezoelectric vibrator; the radial piezoelectric vibrator comprises an outer prestressed metal cylinder, a circular urethane rubber pad, a cup-shaped end cap, a circular-truncated-cone-shaped fluoroelastomer expansion core, an inner prestressed metal press bock, a round-tube-shaped inner electrode, a radially polarized piezoelectric single crystal block, a round-tube-shaped external electrode, a first pre-tightening bolt and a truncated-cone spiral spring; the axial piezoelectric vibrator comprises a rubber spring, a second pre-tightening bolt, a round-tube-shaped cover, a round-tube-shaped piezoelectric piece set, a combined variable-amplitude rod, a fastening joint disc and a round-tube-shaped envelope. The high-power three-dimensional vibrating ultrasonic radiator is applicable to various fields, particularly to coalbed methane extraction.
Description
Technical field [0001] The invention relates to an ultrasonic radiator, in particular to a high-power three-dimensional vibration ultrasonic radiator. Background technique [0002] Ultrasonic radiators are widely used in coalbed methane extraction, and their role is to act on the coalbed with ultrasonic frequency vibration generated by themselves, thereby promoting the desorption flow of coalbed methane, thereby increasing the permeability of coalbed methane. However, under the existing technical conditions, due to the limitation of its own structure, the ultrasonic vibration generated by the ultrasonic radiator can only propagate in a two-dimensional direction, which makes it difficult to increase the permeability of coalbed methane significantly, which leads to the extraction of coalbed methane. Both the rate and the total amount of drainage are low. Based on this, it is necessary to invent a brand-new ultrasonic radiator to solve the problem that the ultrasonic frequency vibr...
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Login to View More IPC IPC(8): B06B1/06
CPCB06B1/0607
Inventor 祝锡晶李婧成全王建青崔学良叶林征马恺刘泽宇刘帅康
Owner ZHONGBEI UNIV