Constant-pressure ultrasound atomizing-low-frequency microwave pulse spouting and drying device for conditioning fruits and vegetables, and application of constant-pressure ultrasound atomizing-low-frequency microwave pulse spouting and drying device

Abstract

The invention relates to a constant-pressure ultrasound atomizing-low-frequency microwave pulse spouting and drying device for conditioning fruits and vegetables and an application of the constant-pressure ultrasound atomizing-low-frequency microwave pulse spouting and drying device, and belongs to the field of a drying and processing technology and mechanical equipment manufacturing of agricultural products and foods. According to the constant-pressure ultrasound atomizing-low-frequency microwave pulse spouting and drying device disclosed by the invention, a suction filter is connected with ablowing machine; the blowing machine is connected with a heat exchanger; the heat exchanger and an ultrasound atomizer are connected with the bottom of a spouted bed dryer through a gas inlet pipe; an interlayer at the lower part of the spouted bed dryer is connected with the heat exchanger through a dehumidifying fan; the spouted bed dryer is also connected with a compressed air storing tank; the compressed air storing tank is connected with an air compressor; the upper end of the spouted bed dryer is connected with a low-frequency microwave source; and the low-frequency microwave source isconnected with a control cabinet. According to the constant-pressure ultrasound atomizing-low-frequency microwave pulse spouting and drying device disclosed by the invention, an ultrasound atomizing,low-frequency microwave and pulse spouted bed combined drying manner is adopted, so that the drying efficiency of conditioned fruits and vegetables is improved, the drying time is shortened, the drying energy consumption is reduced, the drying quality is improved, the problems that high-glucose conditioned fruits and vegetables are adhered and poor in quality when being dried, and time and labor are consumed are solved, and the constant-pressure high-efficiency energy-saving high-quality drying of the conditioned fruit and vegetable materials is realized.

Description

technical field [0001] The invention relates to an atmospheric-pressure ultrasonic atomization-low-frequency microwave pulse spray drying device for conditioning fruits and vegetables and its application, which is suitable for efficient and high-quality drying processing of various conditioning fruits and vegetables, and belongs to the field of agricultural product and food drying processing technology and mechanical equipment manufacturing . Background technique [0002] Today's agricultural products and food atmospheric pressure hot air drying technology and equipment are relatively mature. The use of microwave-assisted atmospheric pressure hot air drying technology and equipment is an important direction to upgrade the traditional atmospheric pressure fruit and vegetable drying processing industry. Microwave-assisted hot air drying can eliminate heat transfer resistance, increase drying rate, shorten drying time, and achieve high efficiency and energy saving. However, t...

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Problems solved by technology

[0010] In a word, there is no report on the normal-pressure ultrasonic atomization-low-frequency microwave pulse spray drying device and high-efficiency, energy-saving and high-quality processing method for conditioning fruits and vegetables in China, and no papers and patents in this regard have been retrieved abroad so far. The present invention will be a kind of innovation, and it will fill up the technical gap in China

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