20khz 1000W-3000W ultrasonic catalytic equipment
description：
Ultrasound has a wide range of applications for accelerating catalytic reactions and increasing yields, mainly including: catalysis on metal surfaces, phase transfer catalytic reactions, and enzyme-catalyzed reactions.
The principle of ultrasonic catalytic equipment The equipment consists of two parts: ultrasonic system, ultrasonic drive system, ultrasonic generator, ultrasonic catalytic system, mainly includes ultrasonic transducer, ultrasonic horn, ultrasonic tool head, used to generate ultrasonic vibration, and emit the vibration energy into the liquid. The ultrasonic transducer converts the input electrical energy into mechanical energy. The form is that the transducer stretches back and forth in the longitudinal direction, and the amplitude is generally a few microns. The ultrasonic horn needs to be connected to the ultrasonic horn because the amplitude generated by the ultrasonic transducer is not enough, and the amplitude is amplified according to the design needs to isolate the reaction solution and the ultrasonic transducer, and also play a role in fixing the entire ultrasonic vibration equipment. The ultrasonic tool head is connected with the horn, the horn transmits the ultrasonic energy vibration to the tool head, and then the ultrasonic energy is emitted into the chemical reaction liquid by the tool head. The ultrasonic generator generates high frequency and high power current to drive the ultrasonic vibration components to work. The power of the ultrasonic generator is adjustable to adapt to different working conditions. The generator can also be integrated with a timing controller as needed to set and control the ultrasonic vibration time and intermittent time.
Ultrasonic catalytic equipment improves the dispersibility of the catalyst and promotes the solvent to penetrate deep into the solid to produce the so-called inclusion reaction; ultrasonic cavitation erodes the metal surface, and the shock wave causes the deformation of the metal lattice and the formation of internal strain zones, which improves the chemical reaction activity of the metal; disperses the reactants System; shock waves may destroy the structure of reactants; shock waves and microjets have desorption and cleaning effects on the solid surface, which can remove surface reaction products or intermediates and the passivation layer on the catalyst surface; high temperature and high pressure conditions are conducive to the decomposition of reactants into free radicals and two Valence carbon forms a more active reactive species.
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