Microstructure mixer for high-viscosity fluid mixing

Abstract

The invention belongs to the technical field of chemistry and chemical engineering, and discloses a microstructure mixer for high-viscosity fluid mixing. The microstructure mixer comprises micro dispersion structure components, a mixing passage, a main distribution chamber, a side distribution chamber, a mixed product collecting chamber, a side feeding opening, a main feeding opening and an outlet, wherein (1) the micro dispersion structure components are arranged at the upper and lower sides of the mixing passage, and are plate type mechanical components with longitudinal micro grooves; the micro grooves in the upper side micro dispersion components and the micro grooves in the lower side micro dispersion components are in parallel and alternate arrangement and are not overlapped in a vertical direction; (2) the upper and lower sides of the micro dispersion components are respectively connected with a fluid side distribution chamber; the side distribution chamber is connected with theside feeding opening; (3) the main feeding opening, the main distribution chamber, the mixing passage, the mixed product collecting chamber and the outlet are connected in series. The micro mixer isapplicable to a liquid-liquid mixing process with the viscosity being lower than 500mPa.s.

Description

technical field [0001] The invention belongs to the technical field of chemistry and chemical engineering, and in particular relates to a microstructure mixer for mixing high-viscosity fluids. Background technique [0002] Mixing process is the basic operation process of chemical industry, which is common in chemical process. In continuous reaction and separation systems, passive mixing equipment has the characteristics of simple operation and low energy consumption, and is widely used. However, the internal mixing scale of traditional static mixing devices is generally at the millimeter level, so the mixing efficiency is often relatively low. In recent years, the advent of microstructured mixers (micromixers) has enabled efficient static mixing processes. The micro-structure mixer mainly adopts the basic principle of micro-scale mixing. It disperses or divides two fluids into micron-scale fluid micro-clusters through a micro-dispersion structure, and then completes the mi...

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Problems solved by technology

[0003] At present, more mature micro-mixers include interdigitated micro-mixers, Corning heart-shaped mixers, segmentation-polymerization micro-mixers, micro-mesh dispersion mixers, etc. Although these micro-mixers have been realized in many applications High-efficiency mixing of liquid-liquid and gas-liquid, but it is difficult to achieve good results for high-viscosity fluids (>50mPas). The main reason is that the fluids in these micro-mixers need to pass through micron-scale micropores or microchannels. The high flow resistance in these channels limits the mixing effect

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