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Universal cavitation jet nozzle

A jet nozzle, a universal technology, applied in the field of water jets, can solve the problems of inability to generate cavitation jets and fixed structures, and achieve the effect of enhanced cavitation effect, promotion of cavitation inception, and good cleaning effect

Pending Publication Date: 2021-08-06
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing cavitation nozzle has a fixed structure and cannot produce effective cavitation jets under different working pressures. It is of great significance to invent a universal cavitation nozzle that can be applied to various working conditions

Method used

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are conventional methods, and the reagents and materials, if not otherwise specified, can be obtained from commercial sources; in the description of the present invention, The terms "landscape", "portrait", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relations...

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Abstract

The invention belongs to the technical field of water jet, and discloses a universal cavitation jet nozzle. The universal cavitation jet nozzle is mainly composed of a nozzle body, a sleeve, an air needle, an air guide element and a bubble generator. A water inlet is formed in the end, with the larger sectional area, of the nozzle cross section, a water outlet is formed in the other end of the nozzle cross section, the sleeve is tightly attached to the inner wall of the nozzle, the right end face of the sleeve is tightly contacted with the left end face of the outer ring of the air guide element, and the right end face of an outer ring is contacted with a boss on the nozzle body. The nozzle body is provided with three evenly-distributed stepped holes, and the air needle is connected with the nozzle body through threads and communicates with the interior of the air guide element. Air is introduced into water through the air guide element, tiny bubbles are generated through the bubble generator, so that the cavitation effect is enhanced, the air content of jet flow is controlled by controlling the number of the air inlet needles so as to adapt to different working pressures, and finally the cavitation effect and the working efficiency of the jet flow under different working conditions are remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of water jets, in particular to a universal cavitation jet nozzle. Background technique [0002] Water jet is to use high pressure or ultra high pressure pump to pressurize ordinary water medium, and then make it spray out through the nozzle at subsonic speed, sonic speed or supersonic speed, thus forming high-speed water flow, which has excellent performance in cleaning, cutting, etc., and has become more and more popular. People's favor. [0003] Cavitation refers to gasification and formation of bubbles due to the partial pressure of the liquid being lower than the saturated vapor pressure of the liquid, that is, the explosive growth of gas nuclei. The cavitation will generate high temperature, high pressure and micro jets at the moment of collapse, accompanied by complex physicochemical and electrochemical reactions. In the prior art, the cavitation nozzle made by adopting this principle has the advant...

Claims

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Application Information

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IPC IPC(8): B05B7/04B05B7/12
CPCB05B7/0483B05B7/1236
Inventor 李登姚致远巫世晶王晓笋康勇罗文悦熊杰
Owner WUHAN UNIV
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