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A low-noise multi-frequency sonochemical reactor and its application

A technology of chemical reactor and multi-frequency ultrasound, which is applied in the direction of chemical instruments and methods, sounding equipment, instruments, etc., can solve problems such as uneven irradiation, low yield of OH radicals, and large noise during work, and achieve system Strong oxidation ability, reduce invalid decomposition, increase the effect of cavitation bubble density

Active Publication Date: 2020-06-16
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the problems of uneven single-frequency ultrasonic irradiation in the same direction, low yield of OH radicals, and high noise generated by work in the prior art for ultrasonic treatment of wastewater, the present invention provides a low-noise and multi-frequency Low-noise multi-frequency sonochemical reactor with uniform ultrasonic irradiation and high yield of OH free radicals

Method used

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  • A low-noise multi-frequency sonochemical reactor and its application
  • A low-noise multi-frequency sonochemical reactor and its application
  • A low-noise multi-frequency sonochemical reactor and its application

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Embodiment 1

[0034] refer to figure 1 as shown, figure 1 It is a structural schematic diagram of the multi-frequency sonochemical reactor provided in this embodiment.

[0035] In this embodiment, the multi-frequency sonochemical reactor is composed of a housing 1, a cover plate 2, a transverse ultrasonic transducer 3, a longitudinal ultrasonic transducer 4, a reaction vessel 6, an inert gas pipeline 7 and a sound-absorbing and noise-reducing layer 8 Composition, wherein: the shell 1 is a cylindrical outer shell made of stainless steel, and a cover plate 2 is installed on the top of the shell 1 to cover the shell 1.

[0036] A fixed plate is arranged at the bottom of the housing 1, and the inner cavity of the housing 1 is divided into a constant temperature reaction chamber and a fixed cavity, and a reaction vessel 6 is arranged in the constant temperature reaction chamber, see figure 2, the reaction vessel 6 is made up of an arc-shaped cylinder bottom 62 and a cylinder body 61, that is,...

Embodiment 2

[0043] refer to image 3 as shown, image 3 It is a structural schematic diagram of the multi-frequency sonochemical reactor provided in this embodiment.

[0044] In this embodiment, the multi-frequency ultrasonic chemical reactor is composed of a shell 1, a cover plate 2, a transverse ultrasonic transducer 3, a longitudinal ultrasonic transducer 4, a circulating water device 5, a reaction vessel 6, an inert gas pipeline 7 and a suction The sound-reducing layer 8, the thermometer 9 and the heater 10 are composed of a cylindrical shell 1 made of heat-insulating material, and a cover plate 2 is installed on the top of the shell 1 to cover the shell 1. . A fixed plate is arranged at the bottom of the housing 1, and the inner cavity of the housing 1 is divided into a constant temperature reaction chamber and a fixed cavity. 5, that is, the circulating water device 5 that can be bathed in hot and cold water is formed between the outer wall of the reaction vessel 6 and the inner ...

Embodiment 3

[0048] In this embodiment, the reaction vessel 6 is composed of an arc-shaped cylinder bottom 62 and a cylinder body 61, that is, the cylinder body 61 and the cylinder bottom 62 are spliced ​​to form a cylindrical structure. The cylinder bottom 62 is an arc-shaped surface, and its central angle Be 120 °, the arc radius is 8cm, and the height of cylinder body 61 is 24cm, is 3 times of cylinder bottom 62 radiuses. A transverse ultrasonic transducer group is installed on the outer wall of the junction of the cylinder bottom 62 and the cylinder body 61. The transverse ultrasonic transducer group is composed of 6 transverse ultrasonic transducers, and the 6 transverse ultrasonic transducers are 3 pairs Two opposite, the frequency of the horizontal ultrasonic transducer 3 that is arranged oppositely is the same, but the frequency of two adjacent horizontal ultrasonic transducers 3 is different, that is, the frequency of a group of horizontal ultrasonic transducers 3 that is relativel...

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Abstract

The invention provides a low-noise multi-frequency ultrasonic chemical reactor, and belongs to the field of degradation-resistant industrial wastewater treatment. According to the low-noise multi-frequency ultrasonic chemical reactor, mainly, multiple kinds of ultrasonic generators with different frequencies are used for generating three kinds of ultrasonic waves with different frequencies in horizontal and vertical directions to form an ultrasonic irradiation net, and through arc surface-shaped focusing, the three kinds of ultrasonic waves with the different frequencies are subjected to a compounding superposition action to achieve a cavitation effect and mechanical strength more significant than those of unidirectional single-frequency ultrasonic wave irradiation. The low-noise multi-frequency ultrasonic chemical reactor is even in ultrasonic irradiation, low in noise, high in organic matter degradation rate and high in wastewater treatment efficiency.

Description

technical field [0001] The invention belongs to an ultrasonic wastewater treatment device involved in the field of refractory industrial wastewater treatment, and in particular relates to a low-noise multi-frequency ultrasonic chemical reactor and a multi-frequency ultrasonic chemical wastewater treatment method. Background technique [0002] With the development of human production and life, a large amount of organic pollutant wastewater and dye wastewater are discharged into water bodies, and urban water pollution is becoming more and more serious. Most of the wastewater comes from industries such as soda ash, chlor-alkali, dye manufacturing, papermaking, chemical industry, paint, food and beverage, especially the refractory and high-concentration organic wastewater discharged from the chemical industry and printing and dyeing industry. The composition is complex and the concentration of organic matter is high. Processes and equipment put forward higher requirements. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/36G10K11/16
CPCC02F1/36C02F2201/002G10K11/16
Inventor 杜栋栋王成会孙啊朋孙永洁邓青松李雁鹏
Owner SHAANXI NORMAL UNIV
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