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Liquid-liquid fast-mixing reactor

A mixed reactor and reactor technology, applied in the chemical method of reacting liquid with liquid, chemical/physical/physicochemical nozzle reactor, chemical instrument and method, etc., can solve the problems of small equipment operation flexibility, clogging, jetting, etc. Reactor structure is complex and other problems, to improve quality, reduce energy consumption, increase the effect of operating flexibility

Inactive Publication Date: 2005-09-21
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure of these jet reactors is relatively complex, and in the industrial production process, when solids are produced, there is a problem of clogging to a certain extent, and the mixing effect is greatly affected by operating conditions, and the operating flexibility of the equipment is small

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0036] Laser-induced fluorescence technology is an advanced quantitative evaluation method for evaluating liquid-liquid mixing effects. Its main principle is to use some fluorescent substances (such as rhodamine B or rhodamine 6G) to generate visible light waves of a certain wavelength under laser-induced excitation. Then use a high-speed digital camera to continuously take pictures of the flow field. When the concentration of rhodamine in the solution is below a certain value, the concentration of the rhodamine solution has a linear relationship with the gray value of the corresponding picture pixel, so the flow field can be obtained by analyzing the pictures taken of the flow field. The concentration distribution of fluorescent substances in the field, and then analyze the mixing of liquid and liquid. Evaluate the mixing effect of the liquid-liquid fast mixing reactor of the present invention with this evaluation method, the model that laser adopts Dantec company to produce ...

Embodiment 2

[0039] In the chemical production process, it is often accompanied by complex liquid-liquid two-phase rapid parallel competition reactions or parallel-series competition reactions. The initial mixing effect of the liquid-liquid two-phase greatly affects the final product distribution, product yield and quality. . The common parallel competition reaction system is the competition reaction between acid-base-ester, the instantaneous chemical reaction between acid and base, and the fast hydrolysis reaction of ester under alkaline conditions, when the initial mixing of liquid-liquid two phases When the effect is high, the contact between the two phases is basically at the molecular level. At this time, the time scale of the reaction between the acid and the base is smaller than the time scale of the liquid-liquid mixing, and the acid-base neutralization reaction mainly occurs in the liquid phase. The hydrolysis reaction of the ester under basic conditions does not occur substantial...

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Abstract

The invention relates to a liquid-liquid fast-mixing reactor, which comprises a housing, an inner casing, a liquid conducting tube, an injector, a demister, a backing sheet, a pad, an adjusting valve, a manometer, wherein the housing (1) has a liquid feed inlet (8), the necked-in parts, and a liquid outlet (3); the inner casing (2) has the liquid conducting tube (5), the injector (4), the air outlet (10), the adjusting valve (11) and the manometer (12) inside. The space between the inwall of the housing (1) and the inner casing (2) forms a channel cyclone or non-cyclone through which a fold of liquid inlets, and another liquid passes the liquid conducting tube and the injector and forms the droplet distributed circlewise, the droplet connects with the film formed when the first fold of liquid passing the chine, and the two folds of liquid mix in the meeting point rapidly, then the product will be discharged from the liquid outlet (3).

Description

technical field [0001] The invention relates to an industrial high-efficiency liquid-liquid rapid mixing reactor, belonging to the technical field of high-efficiency mixing and reaction of industrial liquids and liquids. Background technique [0002] Rapid liquid-liquid reaction systems widely exist in fine chemical industry, polymerization process, pharmaceutical industry, biochemical industry and other industrial processes. For example, in the process of preparing solid particles by the liquid-liquid two-phase co-deposition method, the mixing effect of the liquid-liquid two-phase directly affects the particle size distribution of the particles; The effect also directly affects the molecular weight distribution of the polymer; in some other production processes, when complex liquid-liquid two-phase rapid parallel competition reactions or parallel-series competition reactions occur in the liquid phase, the reaction product or intermediate product and the raw material The co...

Claims

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Application Information

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IPC IPC(8): B01J14/00B01J19/26C08F2/00
Inventor 程易骆培成汪展文金涌魏飞
Owner TSINGHUA UNIV
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