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Static mixer

A technology of static mixer and mixing unit, applied in the direction of fluid mixer, mixer, chemical instrument and method, etc., can solve the problems of general mixing ability and inability to meet the requirements of fluid mixing.

Pending Publication Date: 2021-05-18
四川乐智机电工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this kind of static mixer achieves uniform mixing by changing the way of fluid laminar flow, and its mixing capacity is average, which cannot meet the requirements of high uniformity fluid mixing such as gas-liquid mixing.

Method used

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specific Embodiment 1

[0035] A static mixer such as Figure 1-7 As shown, it includes a housing 100, a mixing unit 200 arranged in the housing 100, the mixing unit 200 includes a guide column 210, at least one single helical twisted piece 220 arranged on the guide column 210 in sequence along the fluid flow direction and At least two sets of double helical strands 230 . The static mixer proposed in this embodiment can slow down the impact force of the entering fluid through the design of the single helical twisted piece 220, so that it can enter the double helical twisted piece 230 smoothly and stably for mixing. The design of the double-helical strand 230 increases the effect of fluid turbulence, and improves the mixing rate and uniformity of the fluid.

[0036] Specifically, the double helical twisted piece 230 is composed of two helical twisted pieces in the same direction. The starting positions of the two helical twisted pieces are different and the starting positions of the two helical twist...

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Abstract

The invention discloses a static mixer which comprises a shell and a mixing unit arranged in the shell, the mixing unit comprises a flow guide column, at least one single-spiral twisted part and at least two groups of double-spiral twisted pieces, the single-spiral twisted pieces and the double-spiral twisted pieces are sequentially arranged on the flow guide column in the flowing direction of fluid, and each double-spiral twisted part is composed of two spiral twisted pieces in the same direction. According to the static mixer provided by the invention, uniform mixing is completed by continuously changing the flowing mode of the fluid, so that the fluid is mixed more uniformly.

Description

technical field [0001] The invention belongs to the technical field of fluid mixing, in particular to a static mixer. Background technique [0002] A static mixer is a high-efficiency mixing device without moving parts. Its basic working mechanism is to use the mixing unit fixed in the tube to change the flow state of the fluid in the tube, so as to achieve good dispersion and full mixing of different fluids. [0003] The working principle of the static mixer is to let the fluid flow in the pipeline and impact various types of plate elements, increase the velocity gradient of the fluid laminar movement or form turbulent flow. In laminar flow, it is "segmentation-position movement-remerge". In turbulent flow, In addition to the above three situations, the fluid will also generate severe eddy currents in the cross-sectional direction, and a strong shear force will act on the fluid, causing the fluid to be further divided and mixed, and finally mixed to form the required emulsi...

Claims

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Application Information

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IPC IPC(8): B01F5/06
CPCB01F25/4314
Inventor 孙恒梓
Owner 四川乐智机电工程有限公司
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