Two-stage ultrasonic vibration atomizer

Abstract

The invention discloses a two-stage ultrasonic vibration atomizer, which comprises a liquid conveying pipeline, a bolt, a rear cover plate, a piezoelectric ceramic plate, an electrode sheet, an amplitude transformer, a first-stage atomizing spray head and a second-stage atomizing radiation surface, wherein the rear cover plate, the piezoelectric ceramic plate and the electrode sheet are pressed by the connection between the amplitude transformer and the thread at the front end of the bolt, so as to form a second-stage ultrasonic atomizing vibrator; the first-stage atomizing spray head is connected with the front end of the amplitude transformer; and the second-stage atomizing radiation surface is clamped between the front end of the amplitude transformer and the rear end of the first-stage atomizing spray head. According to the invention, the vibrator part adopts a sandwich transducer structure, and has high power capability; the first-stage atomizing is realized by the micro-spraying holes on the first-stage atomizing spray head; the second-stage atomizing is realized by ultrasonic vibration; and through two-stage atomizing, the two-stage ultrasonic vibration atomizer has the advantages of small gas atomizing grains and the like, and can be applied to the fields of cooling of mechanical processing and cutting heat, air moistening, medical treatment, dedusting, deodorizing, weaving, printing and dyeing, tobacco, flowers, papermaking, electronics, spray-coating, chemical industry, granulating, fungus culturing, fruit storage and the like.

Description

technical field [0001] The invention relates to the field of ultrasonic vibration atomization utilizing the piezoelectric effect, in particular to a two-stage ultrasonic vibration atomizer. Background technique [0002] In many fields such as cooling, air humidification, medical treatment, dust removal, deodorization, textile, printing and dyeing, tobacco, flowers, telecommunications, papermaking, electronics, landscape, spraying, steel, chemical industry, cleaning, granulation, fungus cultivation, fruit storage, etc. Both need to atomize the liquid medium. The commonly used atomization methods are: [0003] (1) Mechanical atomization [0004] Pressurize the liquid, and inject it into the static or low-speed airflow from the nozzle at high speed and high pressure, and the injection speed increases; when the liquid is ejected, due to the sudden decrease in pressure, the liquid will drop by the joint action of surface tension, viscosity and air resistance. , smooth flow,...

AI Technical Summary

Problems solved by technology

[0007] Common mechanical atomization and ultrasonic atomization methods have problems such as complex structure, high cost, high power consumption, large atomized particle diameter, low atomization efficiency, and small atomization flow rate. In order to meet the needs of new industrial applications, the development Green and efficient atomization technology has bec

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