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A combined ultrasonic and hydraulic cavitation treatment device for organic wastewater

A technology of organic wastewater and combined treatment, applied in water/sewage multi-stage treatment, oxidized water/sewage treatment, water/sludge/sewage treatment, etc. The effect of high degradation efficiency and high collapse strength

Active Publication Date: 2020-07-31
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its hydraulic cavitation device adopts the existing orifice structure or Venturi tube, and the cavitation effect needs to be further improved.

Method used

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  • A combined ultrasonic and hydraulic cavitation treatment device for organic wastewater
  • A combined ultrasonic and hydraulic cavitation treatment device for organic wastewater
  • A combined ultrasonic and hydraulic cavitation treatment device for organic wastewater

Examples

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Embodiment Construction

[0026] The organic wastewater treatment device of the present invention combined with ultrasonic and hydraulic cavitation, such as figure 1 As shown, a stator 6 and a rotor 7 are included. Inside the stator 6 is a cavitation cavity. To facilitate processing, at least one end of the stator 6 is provided with an end cover 9 connected by screws, and a sealing gasket 8 is provided at the connection.

[0027] The two ends of the stator 6 are respectively connected with the support cover 3 and the support cover 17 by screws, and the support cover 3 and the support cover 17 are respectively provided with an angular contact ball bearing 2 and an angular contact ball bearing 11, and the angular contact ball bearing 2 and the angular contact ball bearing 11 realizes axial positioning through the bearing end cover 1 and the bearing end cover 16 fixed on the support cover 3 and the support cover 17 respectively. The diameter (outermost side) of the stator 6 is 400 mm, and the width of t...

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Abstract

Disclosed is an ultrasonic and hydrodynamic cavitation combined treatment device for organic wastewater. The device comprises a rotor and a stator; a cavitation cavity is formed in the stator, ultrasonic transducers are distributed on the stator and connected with an ultrasonic generator, and the stator is provided with a water inlet and a water outlet; the rotor is installed in the stator, one end of the rotor protrudes out of the stator, the protruding end is connected with a transmission device, the rotor is provided with a cavitation disk, and the cavitation disk is located in the cavitation cavity of the stator and provided with blind holes. The device has the advantages that by adopting the combined functions of ultrasonic cavitation and hydrodynamic cavitation, the organic wastewater is treated, chemical reagents are not used, and therefore secondary pollution cannot be caused; the hydraulic cavitation is rotary, more cavitation bubbles can be generated through the rotation of the rotor and the blind holes, the oxidation effect is more obvious, the advantages of simple hydrodynamic cavitation structure and high ultrasonic cavitation collapse strength are integrated, the mechanical structure is simple, the efficiency of degrading the organic wastewater is high, and the efficiency is high.

Description

technical field [0001] The invention relates to a device for treating organic wastewater, which belongs to the technical field of organic wastewater treatment. Background technique [0002] With the continuous development of industry, more and more organic pollutants in industrial wastewater are difficult to degrade. After being treated by traditional biochemical processes, some organic pollutants that are difficult to degrade still exist in the treated sewage. Therefore, it is necessary to treat sewage For further processing. With the continuous development of science and technology, advanced oxidation technology came into being. Advanced oxidation technology produces a large number of highly active free radicals through certain methods, which have strong oxidizing properties. Cavitation phenomenon is one of them, including hydraulic cavitation, acoustic cavitation, optical cavitation and particle cavitation. [0003] There are three effects of cavitation phenomenon, inc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04C02F1/72C02F101/30
Inventor 陈颂英侯正金孙逊徐桦寇清民张孝添马训孟
Owner SHANDONG UNIV
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