Gas-liquid static mixer and gas-liquid mixing system

A static mixer, gas-liquid mixing technology, applied in fluid mixers, mixers, mixing methods, etc., can solve problems such as uneven gas-liquid mixing, uneven bubble diameter, and excessive bubble diameter, and achieve compact structure , low manufacturing cost, enhanced turbulence intensity and the effect of radial velocity gradient

Inactive Publication Date: 2020-05-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of non-uniform bubble diameter, excessive bubble diameter and uneven gas-liquid mixing produced by the static mixer in the prior art when gas-liquid mixing

Method used

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  • Gas-liquid static mixer and gas-liquid mixing system
  • Gas-liquid static mixer and gas-liquid mixing system
  • Gas-liquid static mixer and gas-liquid mixing system

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Embodiment Construction

[0036] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0037] It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0038] In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "axial", "radial", and "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description The present invention and simplified description do not indic...

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Abstract

The invention discloses a gas-liquid static mixer and a gas-liquid static mixing system. The gas-liquid static mixer comprises a mixer main body with a liquid inlet (4), a gas inlet (5) and an outlet(6); a gas-liquid mixing area (1) with a liquid inlet (4) and a gas inlet (5) is arranged in the mixer main body; the gas-liquid mixing area comprises a contraction section (11), a throat pipe section(12) and an expansion section (13) which are sequentially connected in the flowing direction of fluid, the contraction section (11) gradually contracts in the direction towards the throat pipe section, and the expansion section (13) gradually expands in the direction close to an outlet from the throat pipe section; a static mixing area (3) is arranged between the expansion section (13) and the outlet (6), and a twisting piece (31) spirally extending in the axial direction is arranged in the static mixing area. The static mixer and the gas-liquid static mixing system provided by the inventionhave good gas-liquid dispersion, mixing and mass transfer effects, and are low in manufacturing cost, compact in structure, simple to operate and low in maintenance cost.

Description

technical field [0001] The invention relates to the field of petrochemical industry, in particular to a gas-liquid static mixer and a gas-liquid mixing system. 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 gas-liquid mass transfer resistance in the gas-liquid reaction is usually the control step of the macroscopic reaction rate, so reducing the gas-liquid mass transfer resistance and increasing the gas-liquid mass transfer is the key to increasing the reaction rate. Microbubbles can greatly increase the gas-liquid mass transfer area, while static mixers can promote the mixing of gas and liquid, increase the surface renewal rate of bubbles, thereby enhancing mixing and mass transfer. Among them, microbubbles usually r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/06B01F15/00B01F15/02B01F3/04B01F13/10
CPCB01F23/232B01F25/4231B01F33/81B01F35/187B01F35/7163
Inventor 王国清刘俊杰李宏光杨士芳乐毅房艳李晓锋杨沙沙张利军周丛石莹
Owner CHINA PETROLEUM & CHEM CORP
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