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Low-frequency ultrasonic atomization device with large atomization amount

An ultrasonic atomization, low-frequency technology, applied in spray devices, liquid spray devices, etc., can solve the problem of large droplet diameter, and achieve the effect of large atomization, small droplets, and uniform droplets

Inactive Publication Date: 2017-08-29
JIANGSU UNIV
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  • Application Information

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  • Low-frequency ultrasonic atomization device with large atomization amount
  • Low-frequency ultrasonic atomization device with large atomization amount
  • Low-frequency ultrasonic atomization device with large atomization amount

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[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0034] Such as figure 1 , figure 2 As shown, the main body length of the large atomization volume low-frequency ultrasonic atomization device is 110mm, the length of the ultrasonic atomization nozzle part is 70mm, the length of the secondary atomization cavity is 15mm, and the distance between the gas-liquid inlet end surface of the secondary atomization cavity and the gas-liquid valve The end face distance of the end cover is 3mm, and the length of the gas-liquid valve body is 28mm. The low-frequency ultrasonic atomization device with a large atomization amount according to the present invention includes a piezoelectric vibrator 3, a horn 5, a secondary atomization chamber 6, a gas-liquid valve end cover 7, a sealing ring 8, and a Laval valve core 10. Step valve core ...

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Abstract

The invention provides a low-frequency ultrasonic atomization device. The device is mainly applied to atomization cultivation in the agricultural engineering field. The device comprises a piezoelectric vibrator, an amplitude-change pole, a secondary atomization cavity, a gas and liquid valve end cover, a Laval valve element, a ladder type valve element and a gas and liquid valve body. The piezoelectric vibrator is bonded on the amplitude-change pole, the gas and liquid valve end cover is connected with the gas and liquid valve body through a thread, the ladder type valve element and the Laval valve element are both arranged in a cylindrical cavity in the valve body, one end of the Laval valve element sleeves one end of the ladder type valve element, the amplitude-change pole is connected with the secondary atomization cavity through a stud and a nut, and the secondary atomization cavity is connected with the gas and liquid valve end cover through a stud and a nut. Multistage atomization of fog drops can be achieved, the atomization amount of the atomization device can be improved, the diameter of the fog drops is smaller than that of the fog drops formed through atomization of a single ultrasonic atomization spraying head, and the long-distance atomization can be achieved.

Description

technical field [0001] The invention relates to a low-frequency ultrasonic atomization device, which belongs to the field of agricultural engineering atomization cultivation. Background technique [0002] Ultrasonic nebulizers are widely used in the field of agricultural engineering due to their small and uniform droplet size. At present, in the field of ultrasonic atomization technology, there are mainly two methods for generating power ultrasound: one is to use an electroacoustic transducer to generate ultrasound, and the other is to use fluid as power to generate ultrasound. These two methods have their own advantages and disadvantages. Using the electroacoustic transducer to atomize the nozzle produces uniform droplets and low energy consumption. The droplet size changes with the design frequency of the piezoelectric vibrator. The higher the frequency, the droplet size The smaller it is, the disadvantage is that the amount of atomization is small; using the hydrodynamic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B17/06
CPCB05B17/0607B05B17/0653B05B7/0433B05B7/2424B05B17/0623B05B17/0661B05B7/066B05B17/0615B05B17/0669
Inventor 高建民刘旭
Owner JIANGSU UNIV
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