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Liquid-liquid mixing device and mixing method

A technology of mixing devices and mixing equipment, which is applied in the direction of mixers, fluid mixers, chemical instruments and methods, and can solve problems such as slow reaction rates

Active Publication Date: 2022-05-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] US4182920 uses a three-stage olefin hydration reactor, the reaction temperature is 30-80°C, the reaction pressure is 0.46-1.4MPa (absolute pressure), the weight ratio of water / pentene is in the range of 0.59-1.18, and the weight ratio of acetone / pentene is in the range of 4.18~7.85, the reaction rate is still very slow

Method used

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  • Liquid-liquid mixing device and mixing method

Examples

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Effect test

Embodiment 1

[0058] The liquid-liquid mixing device and mixing method of the present invention are used as a method for mixing tung oil with methanol and a liquid alkali catalyst, wherein the tung oil is an oil phase material, and the methanol and liquid alkali catalyst are an aqueous phase.

[0059] The liquid-liquid mixing method is as follows (1) Tung oil, methanol and liquid alkali catalyst enter the oil-water microchannel mixing equipment, and the oil-water mixture is obtained after mixing, in which the mass ratio of tung oil to methanol and liquid alkali catalyst is 2:1; (2) Tung oil and methanol and liquid alkali catalyst into the water-oil microchannel mixing equipment, and mixed to obtain the water-oil mixture, in which the mass ratio of tung oil to methanol and the liquid alkali catalyst is 0.5; (3) the oil-water mixture and the water-oil mixture are directly mixed through the pipeline to obtain A mixture of the two.

[0060] In the oil-water microchannel mixing equipment, the ra...

Embodiment 2

[0068] The liquid-liquid mixing device and mixing method of the present invention are used as a method for mixing tung oil with methanol and a liquid alkali catalyst, wherein the tung oil is an oil phase material, and the methanol and liquid alkali catalyst are an aqueous phase.

[0069]The liquid-liquid mixing method is as follows (1) Tung oil, methanol and liquid alkali catalyst enter the oil-water microchannel mixing equipment, and the oil-water mixture is obtained after mixing, in which the mass ratio of tung oil to methanol and liquid alkali catalyst is 2:1; (2) Tung oil and methanol and liquid alkali catalyst into the water-oil microchannel mixing equipment, and mixed to obtain a water-oil mixture, in which the mass ratio of tung oil to methanol and liquid alkali catalyst is 0.5; (3) the oil-water mixture and water-oil mixture respectively enter the material homogeneous After the diversion cylinder in the device guides the flow, the jets from the fixed empty tube nozzle c...

Embodiment 4

[0078] The liquid-liquid mixing device and mixing method of the present invention are used as a method for mixing n-butene and water, wherein n-butene is a hydrophilic phase material, and water is a hydrophilic material.

[0079] The mixing method is as follows: (1) n-butene and water enter the oil-water microchannel mixing equipment, and the oil-water mixture is obtained after mixing, wherein the mass ratio of n-butene to water is 2; (2) n-butene and water enter the water-oil microchannel

[0080] The mixing equipment is used to obtain the water-oil mixture material through mixing, wherein the mass ratio of n-butene to water is 0.5; the oil-water mixture material and the water-oil mixture material are directly mixed through the pipeline to obtain the mixture material of the two.

[0081] In the oil-water microchannel mixing equipment, the sheet in the microchannel mixing component is made of stainless steel, the sheet thickness is 1.5mm, and the gap between the sheets is fille...

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Abstract

The invention discloses a liquid-liquid mixing device and a mixing method. The liquid-liquid mixing device comprises oil-water micro-channel mixing equipment, water-oil micro-channel mixing equipment and a material homogenizer; a lipophilic liquid-phase raw material and a hydrophilic liquid-phase material are mixed through oil-water microchannel mixing equipment according to the proportion being larger than or equal to 1 to form an oil-water mixed material, and the lipophilic liquid-phase material and the hydrophilic liquid-phase material are mixed through water-oil microchannel mixing equipment according to the proportion being smaller than or equal to 1 to form a water-oil mixed material; and the oil-water mixture and the water-oil mixture are homogenized by a material homogenizer and then are used as liquid-liquid reaction feedstock. The liquid-liquid mixing device provided by the invention strengthens the mixing and dispersion between liquid drops from the microscopic level, so that liquid-phase reactants form uniformly-mixed, uniformly-dispersed and stable-mixed-state feeding materials, improves the mixed dispersion state of immiscible or difficult interphase solutions, and is suitable for the liquid-liquid two-phase or multi-phase mixed reaction process.

Description

technical field [0001] The invention belongs to the technical field of petrochemical industry, and in particular relates to a liquid-liquid mixing device and a mixing method in oil refining and chemical process. Background technique [0002] In many liquid-phase reaction processes, the mixing state between the liquid phases participating in the reaction often determines the effect of the reaction, especially involving partially miscible or completely immiscible liquid phases with poor compatibility. One of the phases needs to pass through the phase interface and enter another liquid phase to react. The mass transfer between the liquid phase and the liquid phase becomes the control step of the reaction process. Therefore, it is necessary to mix the liquid phase materials participating in the reaction to form a uniform mixture. One phase is evenly distributed in the other liquid phase in the form of micro-droplets to form a large phase interface, so that a higher reaction rate...

Claims

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Application Information

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IPC IPC(8): B01F33/82B01F33/3012B01F25/72B01F23/40
Inventor 周峰乔凯杨秀娜马会霞张淑梅
Owner CHINA PETROLEUM & CHEM CORP
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