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A Constant Temperature Microwave Continuous Flow Reactor

A reactor and microwave technology, applied in chemical instruments and methods, chemical/physical/physicochemical processes of energy application, chemical/physical/physicochemical processes, etc., can solve problems such as inability to guarantee temperature, and achieve high heating uniformity , Improve the temperature uniformity, the effect of large power capacity

Inactive Publication Date: 2019-12-24
SICHUAN UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing reported reactors are modified based on household microwave ovens or commercial microwave chambers, which cannot guarantee a uniform and constant temperature during the heating process, making it difficult to achieve and maintain the best reaction state for some reactions

Method used

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  • A Constant Temperature Microwave Continuous Flow Reactor
  • A Constant Temperature Microwave Continuous Flow Reactor
  • A Constant Temperature Microwave Continuous Flow Reactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Simulation of Embodiment 1 Constant Temperature Microwave Continuous Flow Reactor

[0051] In this embodiment, the aqueous solution is selected as the sample solution, the heat transfer oil solution is the constant temperature control solution, and the temperature distribution of the aqueous solution (sample solution) in the designed and optimized constant temperature microwave continuous flow reactor is simulated through the COMSOL multiphysics simulation software. It is verified that the designed and optimized constant temperature microwave continuous flow reactor can realize the uniform interaction between microwave and sample solution, and under a certain power, the temperature of the aqueous solution can be kept uniform and constant by adjusting the temperature of the heat transfer oil solution.

[0052] 1. Multi-field coupling process analysis

[0053] The simulation calculation of constant temperature maintenance of reaction materials involves the mutual coupling...

Embodiment 2

[0099] Example 2 is to verify the constant temperature effect and versatility of the reactor by means of experiments.

[0100] 1. Experimental setup

[0101] The main components of the experimental device of constant temperature microwave continuous flow reactor include microwave power source, constant temperature system, microwave energy transmission system, testing equipment and continuous flow system.

[0102] Microwave power source: A device that can provide microwave energy to the experimental system at a certain operating frequency. The magnetron microwave source with a power of 1000w is used in the experiment. The operating frequency is 2.45GHz.

[0103] The microwave energy transmission system mainly includes waveguide couplers, circulators, radio frequency cables, water loads and other devices. The microwave energy transmission system must have good isolation and efficient transmission performance. The microwave energy generated by the microwave power source is tra...

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Abstract

The constant temperature microwave continuous flow reactor of the present invention has a structure including a rectangular ridge waveguide and a quartz sleeve heat exchanger located in the cavity of the rectangular ridge waveguide. position, integrated with the rectangular waveguide, and two trapezoidal metal ridges with arc-shaped top surfaces that are symmetrical to each other, and the quartz sleeve heat exchanger consists of two concentric U The horizontal tail section passes through the installation holes set on the two side walls of the rectangular ridge waveguide and extends to the outside of the rectangular ridge waveguide cavity to realize the installation of the quartz sleeve heat exchanger in the rectangular ridge waveguide cavity , and the plane where the U-shaped tube is located is parallel to the upper and lower planes of the rectangular ridge waveguide and located in the space between the two metal ridges.

Description

technical field [0001] The invention belongs to the field of microwave heating, in particular to a constant temperature microwave continuous flow reactor. Background technique [0002] Microwave continuous flow reactor is a combination of microwave reactor and continuous flow reactor. It has many advantages of microwave reactor and continuous flow reactor, and has great potential in industrial application. It has been widely used in thermal effect research and other fields. At present, microwave continuous flow reactors can be divided into capillary microwave continuous reactors, single-mode microwave continuous reactors, and large-scale microwave continuous reactors according to the scale of reactants. Most of the existing reported reactors are modified based on household microwave ovens or commercial microwave chambers, which cannot guarantee a uniform and constant temperature during the heating process, making it difficult to achieve and maintain the optimal reaction sta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/12
CPCB01J19/12B01J19/121
Inventor 杨晓庆吴诗月曹锴源袁建平李立欣李旭朱占霞明正峰
Owner SICHUAN UNIV