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Experimental device of multi-transducer coordinating with sonochemistry reaction field and working method thereof
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A chemical reaction and experimental device technology, applied in the field of multi-transducer cooperative sonochemical reaction field experimental devices
Inactive Publication Date: 2015-11-25
HOHAI UNIV CHANGZHOU
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At present, the experimental devices and methods that can comprehensively study the ultrasonic sound field and the sonochemical distribution field of various forms of transducer combinations have not yet been published, but they are important for the study of sonochemical reactions, optimization of ultrasonic parameters, and optimization of ultrasonic transducer combinations. significance
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Embodiment 1
[0030] Such as figure 1 As shown, a kind of multi-transducer cooperative sonochemical reaction field experimental device of the present invention comprises: reactor 1, is provided with several transducers 2 in this reactor 1, and by each transducer 2 respectively by a plurality of groups The ultrasonic signal generator controls and emits corresponding ultrasonic waves.
[0031] Specifically, multiple sets of ultrasonic signal generators are suitable for outputting multiple ultrasonic signals, and respectively drive transducers through corresponding power amplifiers, and each signal generator is controlled by a control module, such as but not limited to MSP430F149 microcontroller For example, but not limited to, the multi-group ultrasonic signal generator adopts the SG3525 control chip, and the frequency of the ultrasonic signal can be adjusted by adjusting the resistance value of pin 6 of the SG3525 control chip.
[0032] Optionally, the reactor 1 can be made of anti-oxidatio...
Embodiment 2
[0046] Such as Figure 1 to Figure 4 As shown, on the basis of Embodiment 1, the present invention also provides a working method of a multi-transducer cooperative sonochemical reaction field experimental device, comprising the following steps:
[0047] Step S1, select the corresponding transducer in the reactor 1, and set the working parameters of the selected transducer; and Step S2, start the selected transducer, take pictures of the reaction in the reactor 1, and obtain the corresponding Match the working parameters of the transducer.
[0048] The step S1 also includes: adjusting the temperature parameters in the reactor 1; the step S2 also includes: photographing the reaction in the reactor 1, and obtaining the temperature parameters matching the reaction.
[0049] Among the transducers in the reactor 1, an intermediate transducer is inserted into the reactor 1 through a triaxial positioning device 6, the other transducer is located at the bottom of the reactor 1, and th...
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Abstract
The invention relates to an experimental device of the multi-transducer coordinating with a sonochemistryreaction field and a working method thereof. The experimental device comprises a reactor, wherein a plurality of transducers are arranged in the reactor; the transducers are controlled by multiple sets of ultrasonic signal generators, and send out the corresponding ultrasonic waves; according to the experimental device of the multi-transducer coordinating with the sonochemistryreaction field and the working method thereof, provided by the invention, ultrasonic parameters can be adjusted through ways such as signal generator parameters and the like; whether the transducers work or not can be controlled by a core controller; the location and angle of a first transducer can be adjusted by a three-axis positioning device; a sound field and a sonochemistryreaction field generated by the single action or combined action of different forms of ultrasonic waves can be studied by the above changes.
Description
technical field [0001] The invention belongs to the field of ultrasonic sonochemistry, and in particular relates to a multi-transducer cooperative sonochemical reaction field experimental device and a working method thereof. Background technique [0002] Sonochemistry is a subject that uses ultrasound to accelerate chemical reactions and increase chemical yields. The sonochemical reaction is mainly caused by acoustic cavitation. Under the action of ultrasound, the tiny bubble nuclei in the liquid release energy during the process of oscillation, growth, and collapse, forming a local high temperature above 5000K and high pressure of 50MPa. Form a special reaction environment to provide better conditions for some chemical reactions. [0003] The way of using ultrasound to assist chemistry has been applied in many fields: [0004] Degradation of pesticides. Ultrasonic waves can degrade many pesticides such as chlorphenamine, methomyl, acephate, etc., and there is less seconda...
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