Multi-resonance-cavity cavitating jet nozzle

A jet nozzle and multi-resonance technology, applied in the direction of injection devices, injection devices, etc., can solve the problems of low cavitation efficiency, small flow rate, and difficulty in forming cavitation effects, and achieve the effect of improving cavitation efficiency and enhancing cavitation effect

Active Publication Date: 2017-08-18
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned cavitation jet nozzle is mainly used in surface cleaning, rust removal, cutting, drilling, etc., but its flow rate is small, and its structure is difficult to apply to the fields of sewage treatment and seawater desalinat

Method used

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  • Multi-resonance-cavity cavitating jet nozzle
  • Multi-resonance-cavity cavitating jet nozzle
  • Multi-resonance-cavity cavitating jet nozzle

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0012] Such as Figure 1~5 As shown, the multi-resonant cavity type cavitation jet nozzle of the embodiment of the present invention includes a left end body 1, a middle body 2 and a right end body 3, the end of the left end body 1 is screwed to the middle body 2 and the right end body 3 is screwed to the middle body 2 to form Three resonant cavities with the same structure. The first resonant cavity 1-7 is located at the end of the left end body 1, and the end of the left end body 1 is connected to the middle body 2 through threads, and four round holes 2-3 are evenly arranged on the outer surface of the middle body 2 so that the middle body 2 and the left end body 1 are threaded. The tightening of the left end body 1 and the middle body 2 is provided with a sealing ring 4, the sealing ring 4 is installed in the sealing groove 1-8, and then the second reson...

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PUM

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Abstract

The invention discloses a multi-resonance-cavity cavitating jet nozzle which comprises a left end body, a right end body and at least one middle body, wherein the tail end of the left end body is in threaded connection with the first middle body, and the right end body is in threaded connection with the last middle body, thus forming at least three resonance cavities with identical structures; inlets and outlets of the resonance cavities are connected with different stages of necking openings; the tail resonance cavity and a spraying opening are formed in the right end body; the axial lines of the multiple resonance cavities, the different stages of necking openings and the spraying opening are overlapped with the axial line of the nozzle; and a first sine flow guide curved surface and a second sine flow guide curved surface are arranged at the front part of the left end body, so that liquid can quickly and stably enter the nozzle, is severely cavitated through the multiple stages of necking openings and the multiple resonance cavities, and is finally sprayed out from the spraying opening. Compared with the prior art, the multi-resonance-cavity cavitating jet nozzle disclosed by the invention can conform to influx of high-flow high-flowing speed liquid; and the sine flow guide curved surfaces, the multiple resonance cavities and the multiple stages of necking openings enhance the cavitating effect on the liquid and improves the cavitating efficiency.

Description

technical field [0001] The invention relates to a cavitation jet nozzle, in particular to a multi-resonance cavity type cavitation jet nozzle. Background technique [0002] The cavitation jet nozzle is a kind of generating device that causes the liquid to produce cavitation effect. There are many kinds of cavitation water jet nozzles at home and abroad. The typical structures are center body nozzle and rotor blade nozzle, but their structure is relatively complicated. , and the cavitation effect is relatively poor. Harmonic self-resonating cavitation waterjet nozzles have better cavitation effects, and their two typical structures are organ pipe nozzles and Helmholtz oscillating cavity nozzles. Based on harmonic self-resonance cavitation water jet technology, various forms of cavitation jet nozzle structures have been designed, for example, a centralized rotating cavitation jet nozzle disclosed in Chinese patent publication number 104307651A, and Chinese patent publication ...

Claims

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Application Information

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IPC IPC(8): B05B1/26
CPCB05B1/26
Inventor 袁晓明罗成
Owner YANSHAN UNIV
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