Venturi mixer

A technology of Venturi mixer and Venturi tube, which is applied in fluid mixers, mixers, chemical instruments and methods, etc., can solve the problems of low throat suction and achieve increased vacuum, reduced pressure range, strong suction effect

Pending Publication Date: 2019-05-03
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to provide a kind of Venturi mixer, in order to solve the problem that the throat suction of existing Venturi mixer is less

Method used

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Embodiment Construction

[0021] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0023] The Venturi mixe...

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PUM

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Abstract

Embodiments of the invention provide a Venturi mixer, and relate to the technical field of mixing devices. The Venturi mixer comprises an integrally-formed Venturi tube, and the Venturi tube comprisesa tapered section, a throat portion and a divergent section, wherein the tapered section, the throat portion and the divergent section are sequentially connected; and the Venturi mixer is characterized in that one end, close to the tapered section, of the throat portion is provided with a first through hole, one end, close to the divergent section, of the throat portion is provided with a secondthrough hole, the first through hole is in communication with the second through hole, and the second through hole has a larger diameter than the first through hole. According to the Venturi mixer provided by the invention, the first through hole and the second through hole having different pore diameters exist in the throat portion, a mainstream fluid flows into the first through hole through thetapered portion along a water inlet section, because the first through hole and the second through hole have different pore diameters, the mainstream fluid is abruptly changed at a connection place of the first through hole and the second through hole, the flow velocity is sharply increased, pressure amplitude of the throat portion is reduced, a vacuum degree is increased, and a stronger suctionforce is generated.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of mixing devices, in particular to a Venturi mixer. Background technique [0002] Venturi mixer is a gas-liquid or liquid-liquid mixing device with low price, easy production, strong practicability and simple structure, and is widely used in agriculture and gardens. A common Venturi mixer is a Venturi tube with an opening in the throat. The mainstream fluid flows in from the Venturi tube, and the incoming fluid flows in from the inlet tube. When the mainstream fluid passes through the narrowest part of the Venturi tube, the dynamic pressure reaches the maximum. , the static pressure reaches a minimum, and the velocity of the liquid rises due to the decrease in the cross-sectional area of ​​the channel. The entire mainstream fluid undergoes the pipe narrowing process at the same time, so the pressure also decreases at the same time, forming a "vacuum negative pressure zone" and generat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/04
Inventor 李莉杨成飞李文军孟繁佳王海华
Owner CHINA AGRI UNIV
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