Venturi microbubble generator and application of generator in catalytic ozonation

A micro-bubble generator and ozone catalytic oxidation technology are applied in the directions of oxidized water/sewage treatment, fluid mixer, chemical instruments and methods, etc. The degree of refinement, refinement and crushing effect are enhanced, and the effect of improving the uniform distribution effect

Pending Publication Date: 2018-10-26
JIACHENG ENVIRONMENTAL PROTECTION ENG CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The mixing unit is fixed with 10-100 helical blades distributed at equal intervals, which is difficult to manufacture and process, so it is difficult to realize large-scale industrialization

Method used

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  • Venturi microbubble generator and application of generator in catalytic ozonation
  • Venturi microbubble generator and application of generator in catalytic ozonation
  • Venturi microbubble generator and application of generator in catalytic ozonation

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Embodiment Construction

[0036]The present invention will be further described below in conjunction with the examples, but it should not be interpreted as a limitation of the present invention. The protection scope of the present invention is based on the contents recorded in the claims. protection scope of the present invention.

[0037] The overall structure of this embodiment is as shown in the figure, which includes a main pipe 5 with an inlet and an outlet at both ends. At the output end of the pump, the outlet of the main pipe 5 is output through the second venturi tube 6. The first venturi tube 2 and the second venturi tube 6 include an inlet section, a constriction section, a throat and a diffusion section connected in sequence from the outside to the inside. 5 is fixed with a screw blade 3 in the same direction as the material travels. There is an opening 7 on the screw blade 3. The diameter of the opening 7 decreases sequentially from the inside to the outside along the radial direction. The...

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Abstract

The invention belongs to a microbubble generation device and particularly relates to a Venturi microbubble generator and application of the generator in catalytic ozonation. The Venturi microbubble generator comprises a main pipe, wherein an inlet and an outlet are formed in two ends of the main pipe, the inlet of the main pipe is connected with an output end of a gas-liquid mixing pump through afirst Venturi tube, the outlet of the main pipe outputs through a second Venturi tube, and the first Venturi tube and the second Venturi tube comprise inlet sections, shrinking sections, throat sections and dispersion sections which are sequentially connected from outside to inside; and spiral blades homodromous with the advancing direction of materials are fixed in the main pipe, openings are formed in the spiral blades, the hole diameters of the opening decrease from inside to outside along the radial direction, and the openings in the same circumference are distributed in an equal angle interval manner. The Venturi microbubble generator can solve the technical problem of poor generation effects of microbubbles in the prior art effectively; and the Venturi microbubble generator has the advantages that the mounting is convenient, the generation and utilization effects of the microbubbles are good, and the like.

Description

technical field [0001] The invention belongs to a microbubble generating device, in particular to a Venturi microbubble generator and its application in ozone catalytic oxidation. Background technique [0002] Fine bubbles have the advantages of large specific surface area, long residence time, high interfacial zeta potential, self-pressurized dissolution, generation of free radicals, and enhanced mass transfer efficiency. At present, microbubble technology has been widely used in chemical industry, water treatment, medicine, flotation, oil exploration and metallurgical industry and other industries. [0003] The mechanism of microbubble generation includes dispersed air method, dissolved air outgassing method, ultrasonic cavitation method, electrolysis method, chemical method, etc. Ultrasonic cavitation method, electrolysis method, and chemical method generate bubbles with higher accuracy, but generate fewer bubbles, and the generation cost is higher. Dispersed air method...

Claims

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Application Information

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IPC IPC(8): B01F5/04B01F3/04C02F1/78
CPCC02F1/725C02F1/78C02F2209/08B01F23/232B01F23/2373B01F25/31233B01F25/3121
Inventor 押玉荣张进学安少锋吴江渤王晓磊李小亚李曙光范国辉
Owner JIACHENG ENVIRONMENTAL PROTECTION ENG CO LTD
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