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Venturi mixer with diffuser containing shrinkage cavities

A technology of Venturi mixer and diffusion section, applied in the directions of fluid mixer, mixer, mixing method, etc., to achieve the effect of enhanced turbulent strength, convenient processing and installation, and improved mixing efficiency

Active Publication Date: 2014-06-11
度测(上海)科技服务中心
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to solve the above-mentioned problems in the prior art, the object of the present invention is to provide a Venturi mixer with shrinkage cavity in the diffusion section, which can enhance the flow velocity and disturbance of the fluid in the diffusion section of the Venturi tube, enhance the mixing effect, and effectively avoid mixing Inhomogeneity occurs, improving the mixing efficiency of the Venturi mixer, making the Venturi mixer suitable for a wider range of flow ratios between the incoming fluid and the mainstream fluid, and avoiding many problems caused by adding turbulent components at the throat disadvantages

Method used

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  • Venturi mixer with diffuser containing shrinkage cavities
  • Venturi mixer with diffuser containing shrinkage cavities
  • Venturi mixer with diffuser containing shrinkage cavities

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as figure 1 and figure 2 As shown, a Venturi mixer with shrinkage cavity in the diffuser section of the present invention includes a main flow Venturi tube through which the mainstream fluid flows, and the main flow Venturi tube includes an inflow pipeline 1, a tapered section 2, and a throat that are connected in sequence. part 3, diffuser section 5, and outflow pipe 6. On the side of the throat part 3, there is an introduction pipe 4 for the inflow of fluid, and also includes multiple sets of shrinkage holes set in the diffuser section 5. Each set of shrinkage holes includes a fixed shrinkage cavity. hole 7 and an adjustable shrinkage hole 8, the radial direction of the fixed shrinkage hole 7 and the adjustable shrinkage hole 8 are perpendicular to the flow direction of the mainstream fluid, and the fixed shrinkage hol...

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Abstract

The invention discloses a venturi mixer with a diffuser containing a shrinkage cavity. The venturi mixer comprises a flowing pipeline, a gradual shrinking section, a throat part, the diffuser, an outflowing pipeline and an input pipe as well as the multiple groups of shrinkage cavities in the diffuser, wherein each group of shrinkage cavities comprise a fixed shrinkage cavity and an adjustable shrinkage cavity, and each adjustable shrinkage cavity is composed of two core plates; the fixed shrinkage cavities are welded on the inner wall of the diffuser through multiple support frames, and the adjustable shrinkage cavities are embedded into the diffuser; the fixed shrinkage cavities and the adjustable shrinkage cavities are alternately arranged, and a shrinkage cavity adjusting device can adjust the relative positions of the two core plates in each adjustable shrinkage cavity on line. The venturi mixer provided by the invention has the advantages that the disturbance of a mixing fluid in the diffuser of the venturi mixer is effectively strengthened, the mixing efficiency of the venturi mixer is effectively improved, and a non-uniform mixing phenomenon is avoided.

Description

technical field [0001] The invention relates to a Venturi mixer, in particular to a Venturi mixer whose diffusion section contains shrinkage cavities. Background technique [0002] Venturi mixer is an important gas-liquid or liquid-liquid mixing device, which is widely used in engineering practice. A common Venturi mixer is a Venturi tube with an opening in the throat. The mainstream fluid flows through the Venturi tube, and the incoming fluid flows in through the opening in the throat. The incoming fluid is introduced and mixed with the mainstream fluid by using the pressure difference. . The existing Venturi mixer uses the opening of the throat of the Venturi tube to introduce fluid, so that the two fluids will have a certain impact and crushing effect due to pressure changes, and use the turbulent flow formed by the two high-speed fluids to achieve the purpose of mixing. . In the conventional Venturi mixer structure, due to factors such as the low disturbance intensity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/04B01F3/08
Inventor 吴东垠曹慎腾
Owner 度测(上海)科技服务中心
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