High-pressure water jet self-oscillation nozzle device with adjustable structure

A high-pressure water jet and nozzle device technology, which is applied in the direction of spraying devices and spraying devices, can solve the problems of unguaranteed reliability of pressure sensors, limited adjustment range of nozzle structural parameters, and restricted installation of pressure sensors, etc., to achieve expanded structure Parameter adjustment range, performance test avoidance, and low cost effects

Pending Publication Date: 2018-05-15
UNIV OF SCI & TECH BEIJING
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  • Abstract
  • Description
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Problems solved by technology

The pressure sensor of the original invention is installed on the side wall of the nozzle, and there are problems such as the limited adjustment range of the nozzle structure p...

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  • High-pressure water jet self-oscillation nozzle device with adjustable structure
  • High-pressure water jet self-oscillation nozzle device with adjustable structure

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific examples described here are only used to explain the present invention, not to limit the invention.

[0020] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0021] see figure 1 A high-pressure water jet self-oscillating nozzle device with adjustable structure is shown, in...

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Abstract

The invention discloses a high-pressure water jet self-oscillation nozzle device with an adjustable structure, and belongs to the field of industrial cleaning. The device comprises an inlet shrinkagepipe, an oscillation cavity, a water outlet spray sheet and the like. The high-pressure water jet self-oscillation nozzle device is characterized in that a pressure sensor is arranged at a front end pipeline of the nozzle device, and the pressure sensor is always arranged outside a high-pressure container during confining pressure experiments so as to avoid the limit from confining pressure environment; in addition, the free combination of the inlet shrinkage pipe, the oscillation cavity and the water outlet spray sheet can be used for greatly changing the structure parameter ratio of a nozzle, and the self-excitation frequency adjusting range is enlarged; and the oscillation signal real-time detection function is combined with the structure parameter adjustment function so that the oscillation characteristic of the jet flow can be accurately obtained, and then the optimal resonance effect is obtained.

Description

technical field [0001] The invention belongs to the field of industrial cleaning, in particular to a high-pressure water jet self-vibrating nozzle device with adjustable structure. Background technique [0002] Self-oscillating jet is a new type of jet developed in recent years. It has the characteristics of both pulse jet and cavitation jet, and can generate strong self-excited oscillation without additional external drive mechanism. Jet impact effect, the current self-vibrating jet technology has been successfully applied in marine salvage and rescue, deep well oil drilling, deep sea resource exploitation and other fields. [0003] The self-oscillating nozzle device is the core component of the self-oscillating jet, and its structural parameters, especially the cavity and outlet dimensions, directly determine the oscillation effect of the jet. According to the mechanism of self-oscillating jet flow, when the self-excited frequency, that is, the frequency of the exit jet f...

Claims

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Application Information

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IPC IPC(8): B05B1/08
CPCB05B1/08
Inventor 马飞蔡腾飞潘岩邱林宾柳靖
Owner UNIV OF SCI & TECH BEIJING
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