Introduction and Principle of Static Mixer

July 25, 2022

Introduction: Static mixer is an advanced mixer developed in the early 1970s. In 1970, Kenis first launched its Static Mixer developed and developed. After the 2980s, the domestic related enterprises have also put into research and production, which has also been well used in emulsification fuel production. Since the 1970s, the PVC Static Mixer has been used in the chemical industry, food industry, textile and light industry and other industries, and has achieved good results. But the Static Mixer acts as a special one Benefit products, domestic and foreign structures are not only confidential, and made into a one-time not detachable structure. At the same time, the viscosity of curing agent and epoxy resin is very different (epoxy resin viscosity is 20~80 times that of curing agent viscosity), and the two fluids in the pipeline is very low, making them difficult to mix evenly.

Static mixer is an advanced unit equipment, and unlike the mixer, it has no moving parts inside, mainly using fluid flow and internal units to achieve the mixing of various fluids and structural special design rationality. The static mixer, compared with hole plate column, Wen tube, agitator, homogenizer and other equipment, has high efficiency, low energy consumption, small volume, less investment and easy continuous production. In the PVDF Static Mixer, the motion of the fluid follows the law of "division-shift-overlap", and the main role in the mixing process is the displacement. The displacement mode can be divided into two categories: "the relative shift caused by the same section flow rate distribution and the" the multi-channel relative shift ", and different types of mixers also have different displacement modes. Static mixers are applied not only to mixing processes, but also to processes related to mixing-transfer, including gas / gas mixing, liquid / liquid extraction, gas / liquid reaction, enhanced heat transfer, and liquid / liquid reaction, and other processes. Static mixer is widely used in plastics, chemical industry, medicine, mining and metallurgy, food, daily chemical, pesticide, cable, oil, paper making, chemical fiber, biology, environmental protection and other industries. Because the product has low energy consumption, investment saving, good effect, quick effect, it has brought considerable economic benefits for users.

Principle:CPVC Static Mixer working principle, is to let the fluid flow in the pipeline impact various types of plate elements, increase the speed of the fluid laminar motion velocity gradient or form turbulence, laminar is "segmentation-position move-convergence", turbulence, fluid in addition to the above three cases, will also in the section direction of violent vortex, has a strong shear force on the fluid, make the fluid further split mixing, finally mixing the required emulsion formation. What is called a "static" mixer means that there are no moving parts in the pipe, only stationary components.

The mixing process of a static mixer is performed by a series of mixing units of different specifications installed in hollow pipes. Due to the action of the mixing unit, the fluid is sometimes rotated left and sometimes right, constantly changing the direction of the flow mixer, not only pushing the central fluid to the periphery, but also pushing the surrounding fluid to the center, thus causing a good radial mixing effect. At the same time, the rotation action of the fluid itself also occurs at the interface of adjacent components. This perfect radial circulation mixing action enables the purpose of uniform mixing. A Plastic Static Mixer is an efficient mixing device without movement, allowing for cutting, cutting, rotation and remixing of the two or more fluids, and thus achieving the purpose of good dispersion and full mixing between the fluids.

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Author:

Mr. Zheng

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zheng@rmiplast.com

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+86 15888074637