Stainless Steel Ultrasonic Air Atomizing Nozzle Sk508 Dry Fog Nozzle Water Air Atomizing Mixing Nozzle

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What’s the principle of ultrasonic atomization:

The ultrasonic power supply converts 50/60 Hz voltage to high frequency electrical energy. This electrical energy is transmitted to a piezoelectric transducer with the converter, where it is changed to mechanical vibrations. The ultrasonic vibrations are intensified by the probe and focused at the tip where the atomization takes place.

There are several features worth noting. Probes / horns can only be mounted or clamped at the nodal point (point of no activity). For applications involving an interface to a vacuum chamber or another type of chemical reaction chamber, the probe can be machined with a mounting flange that bolts to an existing port on the reactor.

All probes are fabricated from high-strength titanium alloy (Ti-6Al-4V). This alloy also exhibits exceptional resistance to chemical attack.

The probes shown above features a cone-shaped atomizing surface. Its purpose is to spread out the spray. Some applications require that the spray be very narrow. In those cases, the atomizing surface is sculptured into a flat or nearly flat surface. Depending on the width requirements of the spray pattern and the required flow rate, the atomizing surface may have a very small diameter or an extended, flat section.

The configuration on the left shows the cone-shape spray pattern resulting from the conical shaped atomizing surface. It is usually recommended for use in applications where very small amounts of material are to be delivered or where flow rates are very low. a cylindrical spray shape used in applications where the flow rate can be relatively high, but where the lateral extent of the spray pattern must be limited.

Introduction of high temperature ultrasonic atomizer

The piezoelectric transducers that comprise the active elements of ultrasonic nozzles are limited as to maximum operating temperature. The limit is characterized by the Curie point, defined as the temperature at which the piezoelectric property of a material vanishes, as a result of the loss of its permanent polarization. For the lead zirconatetitanate transducers used in ultrasonic nozzles, the Curie point is just over 300 degrees C.

However, this does not mean that the transducers can be operated at temperatures anywhere near this limit, because the degradation in piezoelectric performance degrades gradually, not suddenly, with increasing operating temperature. A practical upper limit is approximately 150 degrees C. There is no lower temperature limit.

Therefore, the nozzle incorporating these transducers are likewise limited as to operating temperature, both in terms of the environment in which they can be placed and the temperature of the liquid running through them. Methods have been developed for air or gas cooling so that it is possible to operate nozzles at elevated temperatures under certain circumstances. Another factor that must be included in the thermal equation is that the nozzles themselves generate some heat. It is possible for a nozzle operating at a high power and at a 100% amplitude to experience a 30 degree C temperature rise. Although this represents an extreme case, this factor should be remembered in assessing what, if any, cooling is required. So high temperature ultrasonic atomizer requires good temperature barrier and cooling system.

What’s information we will need before recommend you suitable equipment.

What we can do for you :

Depending on your requirement, we can recommend you suitable atomizer . also can customize ultrasonic atomizer for you.

If possible, you can send us sample for test, so that you can confirm the atomize before order.

If you need Fully automatic ultrasonic atomization spraying machine, we can design for you , and producing the machine depending on your requirements.

Our Stainless Steel Ultrasonic Air Atomizing Nozzle Sk508 Dry Fog Nozzle Water Air Atomizing Mixing Nozzle have advanced to the international level of the same industry and have a strong reputation for quality among domestic and international users as well as supporting manufacturers. We have a complete internal control system, which provides a strong guarantee for the output of high-quality products. In technology, we constantly innovate, strive for high technology and high grade, in technology, we keep improving, break through the tradition, strive for quality, in management, we pursue the concept of international management.

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